Eight misunderstandings of solar street lighting installation

Speaking of streetlights, we all know that streetlights are mainly used for road street lighting. Traditional streetlights use mains electricity. City streetlights are not only complicated to install, but also require high electricity and maintenance costs as well as potential safety hazards. Environmental protection society's recommendation, solar street lights gradually replace the city circuit lights, this energy-saving environmental protection products on the market has been the attention of the whole society, solar street lights to solar energy, solar panels to the battery during the day to charge, at night the battery power supply to the load, without complicated The laying of expensive pipelines allows the layout of lamps to be arbitrarily adjusted, ensuring safety, energy saving and pollution-free operation. It requires no manual operation and is stable and reliable, saving electricity costs and maintenance-free. This article first introduced the composition and working principle of solar street lamps, followed by the installation process and precautions of solar street lamps. Finally, the eight misunderstandings of the installation of solar street lamps were introduced.

Solar street lights are mainly composed of solar panel components, intelligent controllers, battery packs, light sources, lamp posts, and brackets.

Solar street lamps use solar panels to convert solar radiation into electricity during the day, and then store the electricity in a battery via an intelligent controller. When the night comes, the sun's light intensity gradually decreases. After the intelligent controller detects that the illuminance is reduced to a certain value, the battery is controlled to provide power to the light source load, so that the light source will automatically turn on when it is dark. The intelligent controller protects the battery from overcharging and overdischarging, and controls the light source's on and lighting time.

First, the foundation pouring

1, determine the position of the lamp:

1 Survey geological conditions. If the surface of 1 meter 2 is soft soil, the excavation depth should be deepened (more than 50 cm in the north is permafrost, so it is recommended that the depth of the pit is 1.2 to 1.5 meters. This does not maintain the battery's temperature throughout the year. 25 degrees);

2 to confirm that there are no other facilities (such as cables, pipes, etc.) below the excavation site

3 There are no long-term sunshade objects at the top of the street lamp, otherwise the location should be changed properly.

2. The embedding of embedded parts:

1Reserve (excavation) 1 m 3 pits that meet the standard in the position of the upright luminaire; carry out the positioning and pouring of the embedded parts.

2 The embedded part is placed in the middle of the square pit. One end of the PVC threaded pipe is placed in the middle of the embedded part and the other end is placed in the storage place of the battery.

3 Pay attention to keeping the embedded parts and foundations at the same level as the original ground (or the top of the screw at the same level as the original ground, depending on the needs of the site), and one side should be parallel to the road; this can ensure that the lamppost is erected at the back end. Do not skew.

4 C20 concrete is used for pouring and fixing, and vibrating sticks should not be disabled during pouring to ensure the overall compactness and firmness.

3. After the construction is completed, the residual sludge on the positioning plate shall be promptly cleaned, and the impurities on the bolts shall be cleaned with waste oil.

4. During the solidification process of concrete, it is necessary to water conservation at regular time; until the concrete is completely solidified (generally over 72 hours), the installation of the chandelier can be performed.

Second, solar module installation

1. The positive and negative poles of the output of the battery pack must be taken to avoid short circuit before being connected to the controller;

2. The solar battery module and bracket should be firm and reliable when they are connected;

3, the output line of the component should be exposed and tied with a tie;

4. The orientation of the battery pack is toward the south, whichever is the direction of the compass.

5. The angle between the bracket and the horizontal plane shall be based on the latitude of the installation location, or it may be adjusted based on the ±5 degree on the basis of again.

Third, the battery installation

1. When the battery is placed in a buried box, it must be handled gently to prevent it from being buried.

2. The connecting wire between the (terminal) battery must be bolted to the terminal of the battery and copper gasket is used to enhance the conductivity; it is generally recommended to use the battery with wire when buried.

3, the output line is connected to the battery in any case after the prohibition of short-circuit, to avoid damage to the battery;

4. When the output line of the battery is connected with the controller in the power pole, it must pass the PVC threading pipe;

5. After completing the above, check the wiring on the controller side to prevent short circuit. Close the door of the control box after normal.

Fourth, lighting installation

1, the device is fixed:

1Solar plate is fixed on the solar panel bracket

2 The lamp holder is fixed to the pick arm, then the bracket and the pick arm are fixed to the main rod, and the connecting wire is led to the control box.

2. Test work before lifting the lamp post

1Check if solar panels, brackets, etc. are firm

2 whether the installation of the lamp is correct and whether the light source is working properly.

3 Is the simple debugging system working properly:

First: Loosen the solar panel connecting wire on the controller, the light source works;

Second: Connect the solar panel connection and turn off the light;

Third: At the same time carefully observe the change of each indicator on the controller;

Fourth: Above everything is normal, can be installed.

3. When a light pole is lifted, pay attention to safety precautions;

After the second lamp post is erected, if it is found that the assembly has a deviation in the sunward angle, it needs to adjust its sunward direction toward the full south position.

4. Put the battery into a buried box and connect the cable to the controller according to the technical requirements.

First: Connect the battery controller and the battery indicator on the controller is on;

Second: Connect the solar panel with the controller, and the solar indicator light on the controller is on;

Third: Finally connect the load

Fourth: When connecting and operating, be sure to pay attention to the wiring and the terminals marked on the controller can not be connected wrong, positive and negative polarity can not be collided, can not be reversed; otherwise the controller may be damaged.

5, debugging system is working properly:

1 When there is light during the day, loosen the solar panel connection on the controller. The light is on (usually it takes 5 to 10 minutes to unplug the solar cable);

2 Connect the solar panel connection and turn off the light;

3 When performing the above operations, you should carefully observe the changes of each indicator on the controller; everything is normal, before sealing the control box.

4 If the controller is skilled in operation, some manufacturers' controllers have manual debugging mode and can directly perform equipment testing.

V. Precautions

1. The solar street lamp uses solar radiation as energy source, and whether the sunlight irradiating on the photo-cell assembly is sufficient to directly affect the lighting effect of the lamp, so when selecting the installation position of the lamp, the battery assembly can irradiate sunlight at any time and no leaves And other shelters.

2. Be careful not to trap the conductor at the connection of the lamp post when threading. The connection of the wire should be firmly connected and wrapped with PVC tape.

3. When using, in order to ensure the beauty and the battery module can better receive the solar radiation, please clean the dust on the battery module every six months, but do not flush it with water from bottom to top.

1. There are too many obstructions in the installation area, which leads to a decrease in the charging efficiency of solar panels.

For example, leaves, buildings and other shelters cover the light, affecting the absorption and utilization of light energy.

2, there is a reference to the light source next to the solar panel, resulting in the solar panel charging voltage above the light control voltage point, can not light.

For example: There are other street lights next to the solar street light (as shown in the figure below). When the night falls and the street light turns on, the solar panel of the solar street light detects that the light source mistakenly believes that it is daytime. At this time, the controller will control it and will not allow it to light up.

3, solar panels mounted on the wires, branches, light poles or other shelters, resulting in daylight will leave a shadow on the solar panels.

Because solar panels usually have multiple strings, if there is a shadow on a string of solar panels, the shadow is deeper. In serious cases, this string is equivalent to a broken circuit, and if this solar panel is more In parallel, this solar panel will not generate electricity.

4, double-side lights, solar panels face to face tilt.

Installers may install the solar panels face-to-face in an inclined symmetry style for aesthetic reasons, but if the orientation is correct, then the other side is definitely wrong. On the wrong side, the charging efficiency will be reduced because the light cannot be directed to the solar panel.

5, there is a problem with the solar panel angle adjustment, resulting in low efficiency of solar panel charging.

The correct angle adjustment of the solar panel needs to follow a simple principle: let the solar light shine directly on the solar panel, so that the charging efficiency is the greatest.

In different places, the tilt angle of the solar panel can refer to the local latitude, and the latitude is how much the solar panel is tilted horizontally. Therefore, for different latitudes and different road surfaces, the solar panel angle adjustment is quite critical.

6, solar panels on the indoor charging;

Some customers will install solar lights in the parking shed to facilitate parking at night, but at the same time, they also install solar panels in the shed. This will naturally reduce the charging effect. In this case, we can use outdoor charging, indoor discharge, solar panels and lamps. Separate the installation.

7, randomly extend the solar panel connection line;

In some locations, due to too much interference in installing solar panels, the solar panels and lights are simply separated by a long distance. Some customers are separated by 10 or more meters or even longer, and then they are free to buy two-core wires in the market. That's it. Since the quality of the wire material in the market is not very good in itself, and the distance between the wires is very long and the line loss is large, the charging efficiency will be reduced a lot and the lighting time will be affected.

8. The on-site personnel will not use the project remote control correctly, and the parameter setting error will result in no light.

According to several on-site understanding, some construction staff feedback, do not know the function of this remote control, in short, according to a random pass, no matter what the lights. In fact, it is possible that the parameters have been set incorrectly at this time, resulting in abnormal lighting. The source of smart lighting design six kinds of user-friendly remote control mode, simple and convenient, a key switch, do not worry about parameter settings error, which mode you need to switch to which mode.

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