CN202419456U - LED (Light-Emitting Diode) solar road lamp - Google Patents

Abstract

The utility model discloses an LED solar street lamp, which comprises a lamp post, a lamp, a solar battery panel, a storage battery and a control module; An electrical box is provided, and the storage battery and the control module are arranged in the electrical box; the lamp is arranged at the middle and upper part of the lamp post and is connected by a cantilever. The lamp includes a carbon alloy lamp housing, an LED lamp board and a constant current power supply; the solar cell The board, battery, control module and lamps are connected by wires. The LED solar street light effectively solves the problem of heat dissipation and heat insulation of existing solar street lights, as well as the shortcomings of constant voltage drive luminous power instability; improves the efficiency and uniformity of lamps; dual-mode power supply ensures the continuity of application power supply; the battery and control The module is set on the top of the lamp post, which is convenient for maintenance, safe and beautiful.

Description

LED solar street light

technical field

The utility model relates to the technical field of lighting, in particular to an LED solar street lamp. the

Background technique

At present, solar photovoltaic technology has been widely used in the field of street lighting, and a large number of researches on solar photovoltaic street lights are also being carried out. Most of the existing solar street lamps have batteries and controllers sealed inside the light pole, which is not conducive to heat dissipation and inconvenient maintenance. In addition, the heat dissipation effect of the LED circuit board is poor, and it will generate heat after long-term use, which affects the luminous efficiency and service life. the

Contents of the invention

In order to overcome the above problems, the utility model proposes an LED solar street lamp, which is easy to maintain and has good heat dissipation effect, energy saving and environmental protection effect.

In order to achieve the above purpose, the technical solution proposed by the utility model is: LED solar street lamps, including lampposts, lamps, solar panels, batteries and control modules, a platform is provided at the top of the lamppost, and adjustable columns are provided at the four corners of the platform , to support the solar panel; an electrical box is arranged on the platform, and the battery and the control module are arranged in the electrical box; the lamp is arranged in the middle and upper part of the lamp post and is connected by a cantilever. The lamp includes a carbon alloy lamp housing, LED light board and constant current power supply; solar panel, storage battery, control module and lamps are connected by wires.

Further, the carbon alloy lamp housing is provided with cooling fins on the back, an LED lamp board is installed on the front, and a heat insulation box for installing a constant current power supply is installed at the end. Preferably, the carbon alloy lamp housing can be made of carbon aluminum alloy, which has a better heat dissipation effect.

Further, the LED lamp board includes a ceramic substrate and an LED lamp array; the LED lamp array is distributed on the ceramic substrate, and the ceramic substrate is provided with heat dissipation fine holes in the gaps between the LED lamps.

Further, the LED lamp includes a high-power LED chip, a double-spherical lens and an aluminum reflective cup. An aluminum substrate is provided at the bottom of the aluminum reflective cup. The high-power LED chip is embedded on the aluminum substrate and packaged with the double-spherical lens.

Further, the lamp post, the adjustable column and the cantilever are all hollow steel pipe structures, the platform is made of hollow square steel; the wires are passed through the hollow steel pipe or the hollow square steel.

Further, the lamps are also connected to the mains through the controller, and the power supply is dual-mode, so as to solve the problem of power supply safety in cloudy and rainy days for more than seven consecutive days.

Beneficial effects of the utility model: the LED solar street light of the utility model has the following beneficial effects:

1. Adopt dual-mode automatic switching technology of solar energy and mains power to ensure the continuity of application power supply;

2. The lamp shell formed by carbon alloy has good heat conduction, coupled with the heat dissipation fins on the back, the ceramic substrate and the heat dissipation micro-holes conduct heat dissipation, which effectively solves the heat dissipation and heat insulation problems of the existing LED street lamps;

3. Adopt double spherical lens and aluminum reflective cup high mirror total reflection secondary light distribution technology to ensure that the efficiency of the lamp is greater than or equal to 90%, and the uniformity is increased to 0.7;

4. Constant current drive is adopted, which has more stable and efficient power supply efficiency and prolongs the service life;

5. Install the battery and control module on the top of the lamp post, which is convenient for maintenance and safe, not easy to be stolen, and beautiful.

Description of drawings

Fig. 1 is the schematic diagram of LED solar street light of the present utility model;

Fig. 2 is a side view of a carbon alloy lamp housing;

Figure 3 is a schematic diagram of the front of the carbon alloy lamp housing;

Figure 4 is a schematic diagram of the back of the carbon alloy lamp housing;

Fig. 5 is a schematic diagram of the structure of the LED light board;

Fig. 6 is a schematic structural diagram of an LED lamp.

Reference signs: 1. Lamp post; 2. Lamp; 21. Carbon alloy lamp housing; 211. Fin; 212. Heat insulation box; 22. Constant current power supply; 23. LED lamp board; 231. Ceramic substrate; 232. Micro holes for heat dissipation; 233, LED light array; 2331, aluminum reflector cup; 2332, double spherical lens; 2333, high-power LED chip; 2334, aluminum substrate; 3, solar panel; 4, platform; 5, adjustable column; 6. Electrical box; 7. Cantilever.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.

As shown in Figure 1, the LED solar street lamp of the present utility model includes a lamp post 1, a lamp 2, a solar panel 3, a battery and a control module; , to support the solar panel 3; an electrical box 6 is arranged on the platform 4, and the battery and the control module are arranged in the electrical box 6; The lamp 2 includes a carbon alloy lamp housing 21, an LED lamp board 23 and a constant current power supply 22; the solar panel 3, the storage battery, the control module and the lamp 2 are connected by wires. The storage battery and the control module are arranged on the top of the lamppost 1, which is not easy to be stolen, and the lamppost does not need to be brought down during maintenance, which is convenient for maintenance and elegant in appearance. The solar battery panel is connected to the storage battery through the control module, and the storage battery is connected to the lamp 2 through the control module, and is powered by solar energy, which is environmentally friendly and energy-saving. In addition, the lamp 2 is also connected to the mains through the control module and adopts dual-mode power supply to prevent insufficient solar battery power supply in rainy days for more than 7 consecutive days; the control module can automatically switch between solar power supply and mains power supply according to the power supply situation of the solar battery. Ensure the continuity of the power supply of the application to ensure the safety of driving at night. Among them, the platform 4 is composed of several hollow square steels, the lamp post 1 and the cantilever 7 are also hollow steel pipe structures, and the wires are passed through the pipes, which is safe and beautiful. Changes in summer, autumn and winter are used to adjust the elevation angle.

As shown in FIGS. 2-5 , it is the structure of the lamp 2 , including a carbon alloy lamp housing 21 , an LED lamp board 23 and a constant current power supply 22 . Among them, the carbon alloy lamp housing 21 can be made of carbon aluminum alloy, which has better heat dissipation performance; and the back of the carbon alloy lamp housing 21 is provided with a plurality of heat dissipation fins 211, as shown in Figures 2 and 4, which can effectively enhance the heat dissipation effect. The carbon alloy lamp housing has better thermal conductivity; a heat insulation box 212 is arranged at the end, and a constant current power supply 22 is installed, which can effectively solve the heat insulation and heat dissipation problems, as shown in Figure 3; the lamp 2 is driven by a constant current , with more stable and efficient power efficiency, which can prolong the service life. The LED lamp board 23 is installed on the front of the carbon alloy lamp housing 21, as shown in Figures 3 and 5, including a ceramic substrate 231 and an LED lamp array 233; the LED lamp array 233 is distributed on the ceramic substrate 231; The gaps between the lamps are provided with heat dissipation fine holes 232 . The ceramic substrate 231 itself has better thermal conductivity than other alloy substrates, and the heat dissipation micro-holes 232 are arranged on it, which further enhances its heat dissipation effect. The lamp housing made of carbon alloy has good heat conduction, and the heat dissipation fins 211 on the back, the ceramic substrate 231 and the heat dissipation micro-holes 232 conduct heat dissipation, ensuring that the working temperature of the lamp body is around 42°C.

The LED lamp is composed of a high-power LED chip 2333 with a light effect of 142 lm per watt, a double spherical lens 2332 and an aluminum reflective cup 2331. The aluminum reflective cup 2331 is provided with an aluminum substrate 2334 at the bottom, and the high-power LED chip 2333 is embedded in the aluminum substrate. 2334, and packaged with the double spherical lens 2332, as shown in Figure 6, the double spherical lens and the aluminum reflective cup high mirror total reflection secondary light distribution technology are used to ensure that the efficiency of the lamp is greater than or equal to 90%, and the uniformity Increased to 0.7.

The LED solar street lamp of the utility model effectively solves the problem of heat dissipation and heat insulation of the existing solar street lamp, adopts a constant current source to improve power supply efficiency and prolong service life; adopts secondary light distribution technology to improve lamp efficiency and uniformity; and The battery and the control module are set on the top of the lamp post, and adopt dual-mode power supply, which is convenient for maintenance, safe and beautiful.

Although the present utility model has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that, without departing from the spirit and scope of the present utility model defined by the appended claims, changes in form and details have been made to the present utility model. Various changes made by the utility model are within the scope of protection of the utility model. the

Claims (6)

1.LED solar street light comprises lamppost, light fixture, solar panel, battery and control module, it is characterized in that: said lamppost top is provided with a platform, and platform is provided with adjustable column for four jiaos, supports said solar panel; Establish an electric box on the platform, said battery and control module are located in the electric box; Said light fixture is located at the lamppost middle and upper part, is connected by a cantilever, and this light fixture comprises carbon alloy lamp housing, LED lamp plate and constant-current supply; Solar panel, battery, control module and light fixture are connected through lead.

2. LED solar street light according to claim 1, it is characterized in that: the said carbon alloy lamp housing back side is provided with radiating fin, the positive LED lamp plate of installing, the end is provided with the heat insulation box that constant-current supply is installed.

3. LED solar street light according to claim 1 or claim 2, it is characterized in that: said LED lamp plate comprises pottery substrate and LED lamp array; LED lamp array distribution is on the pottery substrate, and the gap of said pottery substrate between the LED lamp is provided with the heat radiation minute aperture.

4. like the said LED solar street light of claim 3, it is characterized in that: said LED lamp comprises led chip, bispheric lens and aluminium reflector, and aluminium reflector bottom is provided with an aluminium base, and led chip is flush-mounted on the aluminium base, and with said bispheric lens encapsulation.

5. LED solar street light according to claim 1, it is characterized in that: said lamppost, adjustable column and cantilever are the hollow steel pipe structure, and said platform is made up of hollow square steel; Said lead is arranged in hollow steel pipe or the hollow square steel.

6. LED solar street light according to claim 1, it is characterized in that: said light fixture also is electrically connected with the city through controller, and bimodulus is supplied power.

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