CN213207673U

CN213207673U - Normal power supply device for solar street lamp at low temperature

Info

Publication number: CN213207673U
Application number: CN202022626553.1U
Authority: CN
Inventors: 乔光辉; 吴军亮; 刘玉永; 张明; 何志会; 郑巧萍
Original assignee: Hebei Daopu Optoelectronics Technology Co ltd
Current assignee: Hebei Daopu Optoelectronics Technology Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-05-14
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a normal power supply device of a solar street lamp at low temperature, which comprises a box body; a storage battery is arranged in the box body; a heating mechanism is arranged in the box body; the box body is provided with a heat dissipation mechanism. The utility model discloses the activity of battery is ensured to the operating temperature of adjustable battery, makes solar street lamp can normal use at low temperature.

Description

Normal power supply device for solar street lamp at low temperature

Technical Field

The utility model relates to a solar street lamp technical field especially relates to a normal power supply unit of solar street lamp under low temperature.

Background

Along with the development of society, people pay more and more attention to the environment. The popularization range of the solar street lamp will be larger and larger. The solar street lamp generally uses a lithium ion battery, and the working temperature of the lithium ion battery with complete performance is 0-40 ℃. When the temperature is extremely low, the battery activity is reduced, and the solar street lamp cannot be normally powered, so that the solar street lamp cannot be used.

Some current solar street lamps also are provided with lithium ion battery's heat preservation device, but the heat preservation effect is not good, and after the weather becomes warm, the heat preservation device still need demolish, otherwise also can influence the performance of battery, and the design is unreasonable.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a device for normally supplying power to a solar street lamp at a low temperature, which can adjust the operating temperature of a battery and ensure the activity of the battery.

The utility model provides a normal power supply device of a solar street lamp at low temperature, which comprises a box body; a storage battery is arranged in the box body;

a heating mechanism is arranged in the box body; the heating mechanism comprises heating resistance wires which are uniformly arranged in the box body, a temperature sensor is arranged in the box body, a controller is arranged on the outer wall of the box body, and the heating resistance wires and the temperature sensor are both electrically connected with the controller;

the box body is provided with a heat dissipation mechanism; the heat dissipation mechanism including set up in air inlet on the lateral wall of box the top of box is provided with the gas outlet be provided with the exhaust fan of giving vent to anger in the gas outlet, the exhaust fan of giving vent to anger passes through the controller with the battery electricity is connected, the outside of air inlet and gas outlet all is provided with open closed sealing mechanism, sealing mechanism passes through the controller with the battery electricity is connected.

Preferably, the sealing mechanism comprises a sealing plate covered on the outer side of the air inlet or the air outlet, a transmission screw rod is arranged on the outer side of the sealing plate in parallel, a transmission block is sleeved on the transmission screw rod in a threaded manner, the transmission block is fixedly connected with the sealing plate, one end of the transmission screw rod is provided with a driving motor for driving the transmission screw rod to rotate, the other end of the transmission screw rod is provided with an end plate fixedly connected with the box body, and the transmission screw rod is rotatably connected with the end plate through a bearing.

Preferably, the outer wall of the box body is provided with slide rails which are positioned on two sides of the transmission screw rod in parallel, and two sides of the inner wall surface of the sealing plate are respectively provided with slide bars which can be slidably embedded into the corresponding slide rails.

Preferably, a first heat-preservation and heat-insulation layer is laid on the inner wall surface of the box body, and the heating resistance wire is fixed on the first heat-preservation and heat-insulation layer through a high-temperature-resistant protection layer.

Preferably, a second heat insulation layer is fixedly arranged on the inner wall surface of the sealing plate.

Preferably, an air inlet exhaust fan is arranged in the air inlet.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a normal power supply unit of solar street lamp is provided with the box under the low temperature, is provided with heating mechanism in the box, through the temperature in the temperature sensor monitoring box, when being less than 0 ℃, the controller starts the heating resistor silk and gives the heating in the box, and the temperature in the box stops the heating when being greater than 5 ℃, ensures that the operational environment of battery is in more than 0 ℃ all the time in the box, ensures that the battery is in low temperature environment normal operating also.

The heat preservation and insulation layer is arranged in the box body, so that heat in the box body is prevented from being lost easily after being heated by the heating mechanism, the heat preservation effect is good, and the electric quantity loss is reduced.

Be provided with heat dissipation mechanism and sealing mechanism on the box, in high temperature season, through the temperature sensor temperature in the monitoring box, when being higher than 30 ℃, controller control sealing mechanism opens and dispels the heat, when being higher than 40 ℃, the controller starts heat dissipation mechanism and dispels the heat with higher speed, stops heat dissipation mechanism when 35 ℃ at the bottom of the temperature in the box.

The sealing plate of the sealing mechanism is provided with a second heat-insulating layer, and the air inlet and the air outlet are respectively closed by the sealing mechanism in low-temperature seasons, so that the heat-insulating property of the heat-radiating mechanism in low-temperature seasons is ensured.

It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a normal power supply device for a solar street lamp at a low temperature;

fig. 2 is a schematic top view of a normal power supply device of a solar street lamp at a low temperature.

Reference numbers in the figures:

11. a storage battery; 12. a box body; 13. a heating mechanism; 14. a heat dissipation mechanism; 15. a sealing mechanism;

21. a first heat preservation and insulation layer; 22. a high temperature resistant protective layer;

31. heating resistance wires; 32. a controller;

41. an air inlet; 42. an air outlet; 43. an air outlet exhaust fan; 44. an air intake and exhaust fan;

51. a sealing plate; 52. a drive screw; 53. a transmission block; 54. a drive motor; 55. an end plate; 56. a slide rail; 57. a second heat preservation and insulation layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 2, an embodiment of the present invention provides a normal power supply device for a solar street lamp at low temperature, including a box 12; a storage battery 11 is arranged in the box body 12;

a heating mechanism 13 is arranged in the box body 12; the heating mechanism 13 comprises heating resistance wires 31 which are uniformly arranged in the box body 12, a temperature sensor is arranged in the box body 12, a controller 32 is arranged on the outer wall of the box body, and the heating resistance wires 31 and the temperature sensor are electrically connected with the controller 32;

the box body 12 is provided with a heat dissipation mechanism 14; the heat dissipation mechanism 14 includes an air inlet 41 disposed on the sidewall of the box 12, an air outlet 42 disposed on the top of the box 12, an air outlet exhaust fan 43 disposed in the air outlet 42, the air outlet exhaust fan 43 electrically connected to the battery 11 through the controller 32, sealing mechanisms 15 disposed on the outer sides of the air inlet 41 and the air outlet 42 and capable of being opened and closed, and the sealing mechanisms 15 electrically connected to the battery 11 through the controller 32.

In this embodiment, the inside of the case 12 can be heated by the heating means 13 in the low-temperature season, so that the operating environment of the battery 11 is always maintained at 0 ℃ or higher, and the activity of the battery 11 is maintained. So that the solar street lamp can be normally used at low temperature.

The case 12 may be provided with a heat dissipating mechanism 14, and the sealing mechanism 15 may be opened to dissipate heat through the heat dissipating mechanism 14 in a normal temperature or high temperature season. It is ensured that the operating temperature of the battery 11 in the case 12 is not excessively high. The dismantling of the heat insulation component is avoided, and the structural design is reasonable and practical.

In a preferred embodiment, as shown in fig. 1, the sealing mechanism 15 includes a sealing plate 51 covering the outside of the air inlet 41 or the air outlet 42, a driving screw 52 is disposed in parallel on the outside of the sealing plate 51, a driving block 53 is sleeved on the driving screw 52 in a threaded manner, the driving block 53 is fixedly connected to the sealing plate 51, one end of the driving screw 52 is provided with a driving motor 54 for driving the driving screw to rotate, the other end of the driving screw 52 is provided with an end plate 55 fixedly connected to the box 12, and the driving screw 52 is rotatably connected to the end plate 55 through a bearing.

In the present embodiment, the sealing plate 51 is moved along the drive screw 52 by driving the drive screw 52 to rotate by the driving motor 54. Thereby achieving opening and closing of the air inlet 41 or the air outlet 42. In low-temperature seasons, the air inlet 41 and the air outlet 42 are sealed, so that heat loss in the box body 12 is reduced; in normal temperature or high temperature season, the air inlet 41 and the air outlet 42 are opened to perform heat dissipation and temperature reduction.

In a preferred embodiment, as shown in fig. 2, the outer wall of the box 12 is provided with slide rails 56 parallel to the two sides of the drive screw 52, and the two sides of the inner wall of the sealing plate 51 are respectively provided with slide bars slidably inserted into the corresponding slide rails 56. The movement of the sealing plate 51 is made more smooth by the cooperation of the slide bars and the slide rails 56.

In a preferred embodiment, as shown in fig. 1, a first thermal insulation layer 21 is laid on the inner wall surface of the box body 12, and the heating resistance wire 31 is fixed on the first thermal insulation layer 21 through a high temperature resistant protection layer 22. The heat preservation effect of the box body 12 can be effectively improved, the heat loss is reduced, and the electric energy is saved.

In a preferred embodiment, as shown in fig. 1, a second insulating layer 57 is fixedly disposed on the inner wall surface of the sealing plate 51. The heat preservation effect at the air inlet 41 and the air outlet 42 is increased, and the heat loss at the air inlet 41 and the air outlet 42 is reduced.

In a preferred embodiment, as shown in FIG. 1, an intake air exhaust fan 44 is disposed within the intake port 41. The air circulation inside and outside the box body 12 can be effectively accelerated, and the heat dissipation efficiency is improved.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A normal power supply device of a solar street lamp at low temperature is characterized by comprising a box body; a storage battery is arranged in the box body;

the box body is provided with a heat dissipation mechanism; the heat dissipation mechanism including set up in air inlet on the lateral wall of box, the top of box is provided with the gas outlet, be provided with the exhaust fan of giving vent to anger in the gas outlet, the exhaust fan of giving vent to anger passes through the controller with the battery electricity is connected, the outside of air inlet and gas outlet all is provided with open closed sealing mechanism, sealing mechanism passes through the controller with the battery electricity is connected.

2. The normal power supply device for the solar street lamp at the low temperature according to claim 1, wherein the sealing mechanism comprises a sealing plate covering the outer side of the air inlet or the air outlet, a driving screw is arranged in parallel on the outer side of the sealing plate, a driving block is sleeved on the driving screw in a threaded manner and is fixedly connected with the sealing plate, one end of the driving screw is provided with a driving motor for driving the driving screw to rotate, the other end of the driving screw is provided with an end plate fixedly connected with the box body, and the driving screw is rotatably connected with the end plate through a bearing.

3. The normal power supply device for the low-temperature solar street lamp according to claim 2, wherein slide rails are arranged on the outer wall of the box body in parallel at two sides of the transmission screw rod, and slide bars which can be slidably embedded into the corresponding slide rails are arranged on two sides of the inner wall surface of the sealing plate respectively.

4. The normal power supply device for the solar street lamp at the low temperature as claimed in claim 3, wherein a first heat preservation layer is laid on the inner wall surface of the box body, and the heating resistance wire is fixed on the first heat preservation layer through a high temperature resistant protective layer.

5. The normal power supply device for the low-temperature solar street lamp as claimed in claim 4, wherein a second heat-insulating layer is fixedly arranged on the inner wall surface of the sealing plate.

6. The device as claimed in claim 5, wherein an air inlet and an air outlet fan are disposed in the air inlet.