In the context of smart city construction, 5G is officially put into commercial use, and urban public infrastructure is gradually becoming intelligent and digital. Smart street light is an important entrance to smart city construction. According to relevant research institutions, the global market size of smart street light will exceed 16 billion yuan in 2022, and the market size of China will exceed 4 billion yuan.

But when it comes to smart street lamps, there doesn’t seem to be much market — “At present, most smart street lamps are not profitable.”

Is smart street lamp really a market that does not make money?

For now, yes!

In recent years, the artificial intelligence industry has developed rapidly, and the crazy actions of investors have driven the prosperity of AI.

Intelligent street lamp, on the other hand, is a not good sell industry, for the development of intelligent street lamp, the development direction of enterprise is not unified, and involves the high integration of the other industries: wisdom in a street lamp, with LED lights, the WiFi module, environmental monitoring, monitoring camera, display, alarm, radio column, chargers and other equipment.

Although these devices may not seem to have many advantages, lighthouses have become the most extensive “platform” for smart cities.

With the advent of the IoT era, autonomous driving, 2K / 4K monitoring, environmental detection and other industries have entered a period of rapid development. How to deploy all kinds of equipment as far as possible in the front end has become the core problem. If the construction of base stations alone is not enough to support the huge number of iot devices, the street lamps, which are scattered all over the road, are the only alternative — or, more specifically, the lampstands.

Light racks are not a difficult or high-tech device to build, but in the IoT era, light racks have what companies are most concerned about: quantity and power.

Based on these two features, the equipment provider can install all kinds of equipment on the lamp holder: base station, environment awareness, monitoring, edge computing server and other equipment. The effective combination of such equipment will provide the most comprehensive data for the city manager.

It should be noted that the combination of smart city development with finance and policy, and the comprehensive layout of smart city through street lamps, cannot be completed in a short period of time. Therefore, most smart street lamp providers choose to “enclosure land” first — once they win the street lamp project, they will have certain advantages in the future when they need to transform.

However, it should not be ignored that even though there has been a good development trend, smart street lamp has not entered a period of rapid development.

Due to the short development time of the smart light pole industry, most of them are in the pilot demonstration stage, and the industry lacks unified quality standards, resulting in uneven product quality. Although the smart light pole industry is at the forefront of the industry, it is difficult for most enterprises to carry out large-scale promotion due to the lack of relevant policies and industry standards, unclear market demand and unclear profit model.

The total scale of the industry continued to expand

Although not popular, but wisdom lamp pole industry is worthy of the blue ocean market. According to the incomplete statistics of bid-winning information of caizhaopeng, Electric power bid-winning network and local bid-winning network, there were 28 bid-winning projects of smart light poles in 2018, with a total scale of 353 million yuan. In 2019, smart light poles began to increase in quantity, winning 174 projects with a total scale of 5.90 billion yuan, up 1370% year on year. In 2020, smart light poles continued to grow rapidly, winning 207 projects with a total scale of 17.225 billion yuan, up 231.89% year on year.

Who will be the master of the future?

Smart street lamps have become a powerful new engine for smart city development. In the field of smart street lamps, there are relatively few enterprises in this field because the actual profit is not high. Think twice, Huati Technology, 3000 wisdom, Zhuming technology, Mingshuo technology, energy saving crystal and lighting, qin on photoelectric, Samsung lighting, Huapu Yongming, Yaming lighting and other street lamp enterprises layout wisdom street lamp.

But it is worth noting that although there are relatively few companies in this field at present, some tech giants are actively engaged in it — such as Huawei.

As we all know, Huawei, as a giant in the field of communication, has developed a comprehensive layout based on communication, especially in smart city. In Huawei’s business, government and enterprise have always been the key layout of Huawei. When Huawei actively participates in the construction of urban government-enterprise platforms, it has already realized the top-level design of smart city, and smart light poles are only part of it.

With the growth of the industry, the number of smart light pole enterprises with actual products and able to implement projects has grown from 5 in 2015 to 40-50 now, and the number of enterprises has increased by more than 60% in the past three years.

There are various types of enterprises and different development modes. At present, there are mainly the following types of enterprises entering the field of smart light poles: street lamp enterprises, lamp pole enterprises, control system enterprises and communication enterprises. Various related enterprises in the ecological chain actively cross the boundary and share the dividend of the development of smart light poles. In the future, the smart light pole field may attract enterprises from more fields to cross the boundary, with more diversified enterprise types, such as display screen enterprises and charging pile enterprises.

However, with the establishment of industry norms and standards, the concentration degree in the industry will become higher and higher eventually, some enterprises without core competitiveness will be eliminated, and the number of enterprises will decrease. The main market share of smart light pole construction may be held by a few enterprises, such as China Tower, Huawei and other large enterprises.

However, as far as the current development is concerned, the smart street lamp has not entered the Red Sea era, but is in the blue sea — and the blue sea stage will remain longer.

According to the China Internet Development Report (2021), The scale of China’s AI industry has grown significantly with the wide application of next-generation information technologies such as the Internet of Things and cloud computing. At the same time, in the application scenarios of 5G, cloud computing, big data, Internet of Things and other fields vigorously promoted by the country, the deep integration of smart street lighting and AI technology will provide new momentum for the industrial upgrading of digital cities.

The whole set of solar street lamp includes lamp pole, arm, ground cage, Solar Panel, solar sleeve bracket, battery, controller, LED Lamps and lanterns. The price is determined by the choice of accessories.

First: the lamp pole price is mainly affected by its shape, wall thickness, the size of the upper and lower caliber, flange size and plate thickness. The use of integral hot dip galvanizing lamp pole life can reach 20~25 years, is the first choice of customers.

Second: the arm price is mainly influenced by the shape and length.Third: the price of the floor cage is determined according to the height of the solar street lamp selected by the customer. The parameters of the floor cage include M14, M16, M18 screw and customized size. The price of the cage is not much different, but mainly to distinguish the diameter of the screw size, many manufacturers will use non-standard size to deceive customers, in order to achieve the purpose of cost savings.

Fourth: the solar energy sleeve bracket is mainly customized according to the size of the solar panels, but also need to go through the overall hot dip galvanized treatment to reach the standard, the price of this aspect is basically maintained at about 60 yuan.Fifth: the traditional solar street lamp manufacturers will configure the wattage of the LED lamp, the power of the panel, the voltage and current of the battery and the controller separately according to the requirements of the customer’s time to light the lamp at night. There is a wide range in the price of a full set of solar street lamps. For example, the manufacturers will provide you with panels according to the way of sealing glue and the price will be very different. Battery amperage also directly affects the price, because each solar street lamp manufacturer battery suppliers are different, the price is also thousands of different, most of the use of colloid lead acid battery its service life is not very long, and the price is basically more than 10 yuan /Ah, virtually the price will increase a lot.

Numerical control machining (numerical control machining) refers to a process method for processing parts on a CNC machine tool. The process regulations of CNC machine tool processing and traditional machine tool processing are generally consistent, but significant changes have also taken place. A machining method that uses digital information to control the displacement of parts and tools. It is an effective way to solve the problems of variable parts, small batches, complex shapes, and high precision, and to achieve high-efficiency and automated processing.
Interpretation:
Numerical control processing refers to the processing in which the control system issues instructions to make the tool perform various movements that meet the requirements, and expresses the shape and size of the workpiece in the form of numbers and letters, as well as processing requirements. It generally refers to the process of processing parts on CNC machine tools.
A CNC machine tool is a machine tool controlled by a computer. The computer used to control the machine tool, whether it is a special computer or a general-purpose computer, is collectively called a CNC system. The movement and auxiliary actions of the CNC machine tool are controlled by the instructions issued by the CNC system. The instructions of the numerical control system are compiled by the programmer according to the material of the workpiece, the processing requirements, the characteristics of the machine tool, and the instruction format (numerical control language or symbols) prescribed by the system. The numerical control system sends out operation or termination information to the servo device and other functional components according to the program instructions to control various movements of the machine tool. When the part processing program ends, the machine tool will automatically stop. For any kind of CNC machine tool, if there is no program command input in its CNC system, the CNC machine tool cannot work. The controlled actions of the machine tool roughly include the start and stop of the machine tool; the start and stop of the spindle, the conversion of the rotation direction and the speed; the direction, speed, and mode of the feed movement; the selection of the tool, the compensation of the length and the radius; the replacement of the tool, and the cooling The opening and closing of the liquid.
Development Background:
Numerical control technology originated from the needs of the aviation industry and was proposed by a US helicopter company in the late 1940s.
The initial idea of CNC machine tools, the Massachusetts Institute of Technology developed a three-axis CNC milling machine in 1952. This kind of CNC milling machine has been used for processing aircraft parts in the mid-1950s. In the 1960s, numerical control systems and programming work became increasingly mature and perfect. CNC machine tools have been used in various industrial sectors, but the aerospace industry has always been the largest user of CNC machine tools. Some large aviation factories are equipped with hundreds of CNC machine tools, of which cutting machines are the main ones. CNC machining parts include integral wall panels, beams, skins, bulkheads, propellers, and aircraft engine casings, shafts, disks, blades, and special cavity surfaces of liquid rocket engine combustion chambers. . The initial stage of the development of CNC machine tools is based on continuous trajectory CNC machine tools, continuous trajectory control.
Continuous trajectory control is also called contour control, which requires the tool to move on a prescribed trajectory relative to the part. Later, we will vigorously develop point-control CNC machine tools. Point control means that the tool moves from one point to another, as long as it can reach the target accurately at the end, regardless of the moving route.
Operation process:
NC programming
There are manual (manual) programming and automatic programming methods for NC machining programming. Manual programming, the entire content of the program is manually written in accordance with the instruction format specified by the CNC system. Automatic programming is computer programming, which can be divided into automatic programming methods based on language and drawing. However, no matter what kind of automatic programming method is adopted, corresponding hardware and software are required.
It can be seen that the realization of CNC machining programming is the key. But programming alone is not enough. CNC machining also includes a series of preparatory work that must be done before programming and the aftermath of programming. Generally speaking, the main contents of CNC machining process are as follows:
⑴ Select and confirm the parts and contents for CNC machining;
⑵ Process analysis of CNC machining of parts drawings;
⑶ Process design of CNC machining;
⑷ Mathematics processing of parts drawings;
⑸ Compile the processing procedure list;
⑹ Make the control medium according to the procedure list;
⑺ Check and modify the program;
⑻ Trial processing of the first piece and on-site problem handling;
⑼The finalization and filing of CNC machining process documents.
In order to improve the degree of production automation, shorten the programming time and reduce the cost of CNC machining, a series of advanced CNC machining technologies have been developed and used in the aerospace industry. For example, computer numerical control, that is, a small or microcomputer is used to replace the controller in the numerical control system, and the software stored in the computer is used to perform calculation and control functions. This soft-connected numerical control system is gradually replacing the initial state of the numerical control system. Direct numerical control uses one computer to directly control multiple numerical control machine tools, which is very suitable for small batch and short cycle production of aircraft. The ideal control system is an adaptive control system that can continuously change processing parameters. Although the system itself is complex and expensive, it can improve processing efficiency and quality. In addition to the improvement of CNC systems and machine tools in terms of hardware, the development of CNC has another important aspect that is the development of software. Computer-aided programming (also called automatic programming) means that after a programmer writes a program in numerical control language, it is input into the computer for translation, and finally the computer automatically outputs punched tape or tape. The most widely used CNC language is the APT language. It is roughly divided into main processing program and post processing program. The former translates the program written by the programmer to calculate the tool path; the latter compiles the tool path into the part processing program of the CNC machine tool. Numerical control processing is to write programs on the computer before processing the workpiece, and then input these programs into the machine tool controlled by the computer program for instructional processing, or write instructions directly on the machine tool control panel controlled by the computer program For processing. The machining process includes: tool moving, tool change, speed change, direction change, parking, etc., all of which are completed automatically. CNC machining is an advanced method of modern mold manufacturing and processing. Of course, CNC machining methods must not only be used for mold parts processing, but also have a wide range of uses.
Process analysis
The technical issues of CNC machining of the processed parts involve a wide range of aspects. The following combines the possibility and convenience of programming to put forward some main contents that must be analyzed and reviewed.
1. The dimensioning should conform to the characteristics of CNC machining
In CNC programming, the size and position of all points, lines, and surfaces are based on the programming origin. Therefore, it is best to give the coordinate size directly on the part drawing, or try to quote the size with the same datum.
2. The conditions of geometric elements should be complete and accurate
In the programming, the programmer must fully grasp the geometric element parameters that constitute the contour of the part and the relationship between the geometric elements. Because all geometric elements of the contour of the part must be defined during automatic programming, the coordinates of each node must be calculated during manual programming. No matter which point is unclear or uncertain, programming cannot be carried out. However, due to inadequate consideration or neglect by part designers in the design process, there are often incomplete or unclear parameters, such as arc and straight line, arc and arc whether they are tangent or intersected or separated. Therefore, when reviewing and analyzing the drawings, you must be careful and contact the designer in time if you find any problems.
3. Reliable positioning reference
In CNC machining, the machining processes are often concentrated, and it is very important to locate them on the same basis. Therefore, it is often necessary to set some auxiliary datums, or add some process bosses on the blank.
4. Uniform geometry type or size
It is better to adopt a uniform geometric type or size for the shape and inner cavity of the part, so that the number of tool changes can be reduced, and it is also possible to apply a control program or a special program to shorten the length of the program. The shape of the parts is as symmetrical as possible, which is convenient for programming with the mirror machining function of the CNC machine tool to save programming time.
Part clamping
1. The basic principles of positioning and installation
When machining parts on a CNC machine tool, the basic principle of positioning and installation is to choose a reasonable positioning datum and clamping plan. Pay attention to the following points when choosing:
1. Strive to unify the benchmarks of design, process and programming calculations.
2. Minimize the number of clamping times, and process all the surfaces to be processed after positioning and clamping once as much as possible.
3. Avoid the use of machine-occupied manual adjustment processing schemes to give full play to the effectiveness of CNC machine tools.
Second, the basic principles of choosing fixtures
The characteristics of CNC machining put forward two basic requirements for the fixture: one is to ensure that the coordinate direction of the fixture is relatively fixed with the coordinate direction of the machine tool; the other is to coordinate the size relationship between the parts and the machine coordinate system. In addition, the following points should be considered:
1. When the batch of parts is not large, modular fixtures, adjustable fixtures and other general fixtures should be used as much as possible to shorten production preparation time and save production costs.
2. Only consider the use of special fixtures during mass production, and strive to have a simple structure.
3. The loading and unloading of parts should be fast, convenient and reliable to shorten the machine stop time.
4. The parts on the fixture should not hinder the machining of the surface of the parts by the machine tool, that is, the fixture should be open, and its positioning and clamping mechanism components should not affect the knife during processing (such as collisions, etc.).
Machining error
Numerical control machining error △ addition is formed by programming error △ editing, machine tool error △ machine, positioning error △ fixed, tool setting error △ tool and other errors.
Namely: △number plus=f (△editing+△machine+△fixed+△tool)
among them:
1. Programming error △ is composed of approximation error δ and rounding error. The approximation error δ is produced in the process of approximating a non-circular curve with a straight line segment or a circular arc segment, as shown in Figure 1.43. The rounding error is the error produced by rounding the coordinate value to an integer pulse equivalent value during data processing. Pulse equivalent refers to the displacement of each unit pulse corresponding to the coordinate axis. Normal-precision CNC machine tools generally have a pulse equivalent value of 0.01mm; more precise CNC machine tools have a pulse equivalent value of 0.005mm or 0.001mm, etc.
2. The error of the machine tool is caused by the error of the CNC system and the feed system.
3. The positioning error △ is always caused when the workpiece is positioned on the fixture and the fixture is positioned on the machine tool.
4. Tool setting error △ tool is generated when determining the relative position of the tool and the workpiece.
main feature:
CNC machine tools select aircraft parts with complex profiles as the processing objects from the very beginning, which is the key to solving the difficulty of ordinary processing methods. The biggest feature of CNC machining is the use of punched tape (or tape) to control the machine tool for automatic processing. Because airplanes, rockets, and engine parts have different characteristics: airplanes and rockets have zero parts, large component sizes, and complex shapes; engine zero, small component sizes, and high precision. Therefore, the CNC machine tools selected by the aircraft and rocket manufacturing departments and the engine manufacturing departments are different. In aircraft and rocket manufacturing, large-scale CNC milling machines with continuous control are mainly used, while in engine manufacturing, both continuous-control CNC machine tools and point-control CNC machine tools (such as CNC drilling machines, CNC boring machines, machining centers, etc.) are used. .
Process concentration
CNC machine tools generally have tool holders and tool magazines that can automatically change tools. The tool change process is automatically carried out under program control. Therefore, the process is relatively concentrated. Process concentration brings huge economic benefits:
⑴ Reduce the floor space of the machine tool and save the workshop.
⑵Reduce or no intermediate links (such as intermediate inspection of semi-finished products, temporary storage and handling, etc.), which saves time and manpower.
automation
No need to manually control the cutting tools during CNC machine processing, and the degree of automation is high. The benefits are obvious.
⑴ Reduced requirements for operating workers:
A senior worker of an ordinary machine tool cannot be trained in a short time, and a CNC worker who does not need programming has a very short training time (for example, a CNC lathe worker needs one week, and he will write simple processing programs). In addition, the parts processed by CNC workers on CNC machine tools have higher precision than those processed by ordinary workers on traditional machine tools, and it takes less time. ⑵Reduce the labor intensity of workers: CNC workers are excluded from the processing most of the time during the processing, which is very labor-saving.
⑶ Stable product quality: The processing automation of CNC machine tools eliminates the fatigue, carelessness, estimation and other human errors of workers on ordinary machine tools, and improves the consistency of products.
⑷High processing efficiency: The automatic tool change of the CNC machine tool makes the processing process compact and improves labor productivity.
High flexibility
Although the traditional general-purpose machine tool is flexible, it is inefficient; while the traditional special machine is highly efficient, but has poor adaptability to parts, high rigidity and poor flexibility, and it is difficult to adapt to the fierce competition in the market economy. Products are frequently remodeled. As long as the program is changed, new parts can be processed on the CNC machine tool, and it can be automated, with good flexibility and high efficiency. Therefore, the CNC machine tool can well adapt to market competition.
strong ability
The machine tool can accurately process various contours, and some contours cannot be machined on ordinary machine tools. CNC machine tools are especially suitable for the following occasions:
1. Parts that are not allowed to be scrapped.
2. Development of new products.
3. Processing of urgently needed parts.

The most widely used street lamps in the construction of new rural areas should be Led Street Lamps or solar street lamps. They are mainly energy-saving and can ensure the lighting effect. They can kill two birds with one stone. Use solar street lamps in remote mountainous areas or areas with relatively low power system coverage. It is the most wise to choose the object, because it has the lowest requirements for the surrounding conditions, it can illuminate as long as there is the sun, the least picky and the easiest to form street light products, and the most cost-effective one is the 6-meter Solar Street Light. With hot sales and high penetration rate, let’s talk about the reason and inevitability of it below.

The price of conventional rural 30-watt 6-meter solar LED Street Lights is more than one thousand four yuan and less than one thousand eight yuan, and the corresponding configuration can basically meet all regions of the country. The price range is because of the different places of use and the different lighting time requirements , The quotation is not unique due to different rainy and cloudy conditions, and it needs to be customized. You can contact the manufacturer.

Solar street light manufacturers discuss the practicality of 6-meter solar street lights. The first thing to consider when making solar street lights is the height of the light pole. The height of the light pole is determined by the width of the road where it is used, how many directions, whether there is auxiliary road, etc. It is said that basically four-way roads with auxiliary roads, so the natural road width must be more than ten meters, then the height of the light pole must be about 8-10 meters, and the auxiliary roads require solar street lights to be made of double arms. The arm is 80-100 watts, and the auxiliary arm is 30 watts, but if the basic road width in rural areas does not exceed 5 meters, this determines that the height of the light pole must not exceed 6 meters, usually between 4.5 meters and 6 meters. Today, I will focus on the quotation of this rural 6-meter solar street light. The height of the pole has been set.

The following is the wattage of the light source. 6 meters usually corresponds to 25-30 watts, the latter is mostly, and then the Solar Panel and battery configuration must be set. Usually, the lighting requirements for 6-meter solar street lights in rural areas start from five or six o`clock in the dark By about 12 o`clock at night, almost everyone`s home was already asleep. There were almost no pedestrians on the road, and the street lights were no longer useful. There was a minor problem with older people. They couldn`t fall asleep when the lights were on. The street lights were too bright. Long time will also affect the normal work and rest of farmers, which is a bit self-defeating, so the most reasonable is 6 hours a day. The battery configuration is determined according to the local rainy weather conditions. In some areas, there are few days of rain throughout the year. The battery configuration is low, and some three-day rain configuration is higher, but the overall impact on the price of 6-meter solar street lights is not particularly large, and they are all acceptable.

health

LED Street Lights are free of environmental pollutants such as mercury and lead, and will not pollute the environment. We know that mercury is an extremely toxic substance, but most of the high-efficiency electric light sources currently used contain mercury. According to the study of mercury by Stanford University in the United States, 1 mg of mercury is enough to pollute 5454.5 kg of drinking water.

long life

The LED light source has a long service life, with a service life of 5-10 times that of traditional lamps.

Low carbon

Bo Siwei Optoelectronics Led Street Light (120W) = Less use of 298 kg of standard coal per year = 1092 kg of CO2 less emissions per year

saving

The energy-saving rate of the LED (110W) street lamp of Broadway Optoelectronics is 63% compared with the high-pressure sodium lamp of 250W (system power 300W). It saves 762 kWh/year, which is about RMB 670. Calculated by 5 years of use, it can save electricity costs of 3350 yuan and save traditional lighting supplies by 300 yuan. For new roads, each LED street light can save about cable and transformer costs. 1830 yuan.

The solar Led Street Light system is an independent photovoltaic system, which consists of six parts: solar battery, battery, LED street light, charging circuit, discharge/drive circuit and controller.

The battery is one of the important parts of the hybrid system in the solar LED street light system, so its remaining charge capacity (SOC) also has a significant impact on the stability of the system. The solar LED street lamp system is under the control of the controller. During the day, the solar battery charges the battery through the charging circuit, and the battery discharges at night to drive the LED street lamp, so the design of the controller is very important. If the battery is often over-discharged or over-charged, the battery life will be greatly shortened.

In response to this problem, the segmented multi-point monitoring method can be used to monitor the charge/discharge method of the remaining charge capacity (SOC) of the battery. During the discharging process, just like the controller during the charging process, the segmented multi-point monitoring can be used in different Different widths of PWM signal output control are used in the different stages, which effectively avoids over-discharge.

Finally, the hardware of the solar controller and the control software of the system are designed. When a large number of independent operation of solar LED Street Lights are used, it is necessary to know the operating status of each street light in time and accurately, so a networked solution based on CAN bus is designed. The design realizes the CAN bus hardware interface on the street lamp controller, and also realizes the host computer monitoring.

1. It can be installed independently without digging trenches, burying wires, and backfilling, saving construction costs;

2. There is no need to purchase power capacity-increasing equipment, saving the cost of corresponding supporting equipment;

3. The solar lamps can be controlled automatically, without personnel management, saving management expenses;

4. Ask for energy from the sun instead of using conventional electric energy, saving operating costs;

5. Easy maintenance, no electric shock accidents, safe use;

6. Energy saving: Solar energy is used to convert to provide electricity, which is inexhaustible;

7. Environmental protection: no pollution, no noise, no radiation;

8. Safety: The operating voltage is 12V, and there will be no accidents such as electric shock or fire;

9. Convenience: The installation is simple, no need to wire or “break the belly” to dig the ground, and there is no concern about power outages, and it can be used in places where there is no electricity;

10. Long life: using high-efficiency energy-saving light source, strong luminous efficiency, low-voltage tributary, long-term durability;

11. Low investment: no need to pay electricity bills, no need to follow up maintenance, low operation and maintenance costs;

12. Wide application: it can be used in places with sunshine, and it can be used in lighting projects such as city squares, communities, schools, factories, villages, beaches, scenic spots, mountains, islands, etc.;

13. High grade: green, environmental protection, energy saving, high technology, it is the symbol of the image, grade and taste of the user unit

At present, solar LED Street Lights have a variety of models and specifications in the market, which can well meet various needs of users.
In order to ensure the efficiency of solar Led Street Light lighting, merchants must clarify the product model of LED Solar Street Light when purchasing, which can facilitate future maintenance work. Products after repair should be reported to the manufacturer`s engineers in time. This type of failure can be effectively avoided in the solar LED street lights produced in the future.
This also creates very good conditions for its future sustainable workability, which can effectively increase the working characteristics of its products to a certain extent, so that solar LED street lights can be more durable. When installing solar LED street lights, only guarantee LED The high efficiency of solar street lights can ensure the road to achieve good road lighting.
Solar LED street lights are now more and more widely used in road energy-saving lighting. Because LED solar street lights are durable and energy-saving, they are relied on by government agencies or large enterprises in various countries, and LED solar street lights are used by street light manufacturers to reduce energy consumption. At the same time, the quality of road lighting is improved to ensure people’s travel safety.
The working principle of the solar street lamp is very simple, that is, the Solar Panel made by the photovoltaic special effect principle receives solar radiation energy during the day and converts it into electrical output. It is stored in the solar battery through the charge and discharge controller, and the illuminance gradually decreases to About 101ux, the open circuit voltage of the solar panel is about 4.5v. After the charge and discharge controller measures this voltage, the solar battery will discharge the lamp cap.
Generally, the market price of solar battery discharge can be set by yourself or controlled by light. The main function of the charge and discharge controller is to protect the battery and control the switching of solar street lights. Therefore, the use of solar controller and solar battery is important for photovoltaic power generation solar street lights. It was a very important component system.
The price of LED street lights is expensive because its LED light source is generally epoxy resin, which has the function of anti-ultraviolet and fire retardant. The price of high-quality outdoor LED street lights will naturally have an impact. Every product of street lamp manufacturers has In different designs, different designs can be used for different purposes, making it have a certain versatility.
In terms of energy saving and health, it may also be the reason for the high price of LED street lights. It is designed with non-toxic materials and does not contain the presence of lead, mercury, cadmium lamp toxins, giving the use of environmental safety and reliable protection. The advantages of dust-proof design, fire resistance, ultraviolet radiation, and low-temperature cracking of the square, with so many advantages, the high price of such high-quality LED street lights is understandable.
Solar energy control is used in solar power generation systems. It can control the automatic equipment of solar battery charging and solar battery powering solar inverter loads. Generally, solar street lights use valve-controlled sealed lead-acid batteries, which is beneficial to system maintenance. The cost is reduced, and the charge and discharge controller is designed with both complete functions and cost control to achieve a good cost performance.
1. The stability of the solar controller is very important to the service life of the solar led street lamp, because the role of the solar controller is to control the use of the solar panel to charge and discharge the battery of the street lamp manufacturer. The solar controllers currently used are all The intelligent configuration used ensures that the street lights are illuminated and dimmed at the correct time, and the time will automatically change according to the changes in weather and environment.
2. When choosing a solar battery, you must choose a stable quality to ensure the service life of the battery. The quality of the battery can also directly affect the service life of the street lamp.
3. The lamp holders of solar street lamps generally include sodium lamps, induction lamps, led lamp holders, etc., but the service life of the led lamp holder is the longest, generally up to 50,000 hours, but its price is also more expensive than others.
Through the above three introductions, everyone should know the issues to pay attention to when buying solar street lights. Also, when buying solar street lights, don`t buy some low-priced, very likely low-priced street lights because they are expensive. The quality is not guaranteed. You must go to a large professional street lamp manufacturer to buy a lamp. Only a professional manufacturer can guarantee the service life of the street lamp and guarantee a certain after-sales service.

Products such as LED high-power floodlights can really shine in the lighting effect, and their own characteristics and practicality can also meet the needs of consumers. So how should the product be maintained when it is not normally used?
The first step for maintenance is to turn off the power of the LED high-power floodlight. This is a step that all lamps must be maintained for maintenance. Because doing so can ensure that the entire maintenance process is safe, and will not harm the product’s circuit. So turning off the power is a must. Secondly, when cleaning, be sure to wipe it with a dry cloth. Wipes soaked in water will often cause certain damage to lighting fixtures, for example, if water drops into the fixtures, if this happens, it is irreversible for this type of product. Therefore, during the cleaning process, there must be no water stains.
It is worth noting that when cleaning, do not use chemical substances to wipe, such as detergent, etc. These chemical substances often have a corrosive effect on the surface of LED high-power floodlights.

Therefore, the maintenance work needs to pay attention to many aspects. In fact, the whole work is not difficult. Proper treatment of some details can often make the maintenance work have the corresponding effect.

1. First check whether the controller battery indicator light is on, if not, check whether the connection line between the controller and the battery is off. If the connection line is normal, check the battery voltage with a multimeter. The battery voltage is normal and replace the controller.
2. Check whether the load indicator of the controller is on, and check the output voltage with a multimeter to see if there is a voltage output. If there is no voltage output, replace the controller.
3. Do photovoltaic modules need to face south?
It is best to face the photovoltaic module to the south. In order to ensure that the module can receive as much and even as possible light radiation, when designing the module bracket, we have made the best tilt design according to the regional sunshine situation.
4. Is the Solar Panel fragile?
The solar panels are composed of fairly strong toughened glass panels, all of which have passed the hail test.
5. How much electricity can solar street lights produce?
Different configurations have different power generation and lighting duration. We will recommend or design a street light configuration that can meet your requirements according to your lighting requirements and local actual conditions.
6. What happens if the solar panels are shaded?
Solar panels should be installed in a place where there is no shade and can receive sunlight all day long. Even a small amount of shading will greatly reduce the power output of the system. In the initial site selection for the installation of solar street lights, places with obstructions should be avoided.
7. Should I clean the solar panels frequently?
Under normal circumstances, it is not necessary to clean the solar panels frequently. In most areas, there is enough rainfall to clean the panels. If it is in a dusty area, timely cleaning is a must. It can be cleaned with a hose. Be careful not to step on or walk on the solar panel when cleaning, do not use metal, hard objects to scrub or use abrasive methods to clean, do not spray water at high temperatures.