CN209876715U

CN209876715U - Heat radiation structure of LED street lamp

Info

Publication number: CN209876715U
Application number: CN201920894922.XU
Authority: CN
Inventors: 刘树文
Original assignee: Jiangsu Huaya Lighting Co Ltd
Current assignee: Jiangsu Huaya Lighting Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2019-12-31
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a heat radiation structure of LED street lamp, including the LED shell, be provided with the circuit board in the LED shell, be connected with the LED lamp on the circuit board, fixedly connected with mounting panel on one side inner wall of LED shell, one side fixed mounting of mounting panel has welded board and bottom plate, it installs same montant to rotate between welded board and the bottom plate, the outside fixed mounting of montant has the horizontal pole, the bottom fixedly connected with servo motor of horizontal pole, fixed mounting has the rotation axis on servo motor's the output shaft, the one end fixed mounting of rotation axis has the heat dissipation fan, the outside fixed mounting of montant has the connecting block, the rotation axis rotates with the connecting block to be connected, the top of shell is provided with temperature sensor, the last electric connection of temperature sensor has the controller, servo motor and controller electric connection, the utility model discloses convenient operation can monitor the, The inside of LED shell is cooled down evenly.

Description

Heat radiation structure of LED street lamp

Technical Field

The utility model relates to a street lamp heat dissipation technical field specifically is a heat radiation structure of LED street lamp.

Background

The LED street lamp is widely used, and in addition, the existing LED street lamp generates heat greatly during working, thermal shock is generated to the LED street lamp, if the heat is not timely dissipated to the outside, the temperature of an LED chip is increased, and the LED street lamp works at high temperature, so that the chip is often failed.

The radiator of the existing LED street lamp is simple in structure, and the internal temperature of the LED street lamp cannot be monitored constantly to conduct timely and effective heat dissipation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat radiation structure of LED street lamp to solve current LED street lamp's radiator simple structure, can not monitor the inside temperature of LED street lamp constantly and carry out timely effective radiating problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat radiation structure of LED street lamp, including the LED shell, be provided with the circuit board in the LED shell, be connected with the LED lamp on the circuit board, fixedly connected with mounting panel on one side inner wall of LED shell, one side fixed mounting of mounting panel has welded plate and bottom plate, it installs same montant to rotate between welded plate and the bottom plate, the outside fixed mounting of montant has the horizontal pole, the bottom fixedly connected with servo motor of horizontal pole, fixed mounting has the rotation axis on servo motor's the output shaft, the one end fixed mounting of rotation axis has the heat dissipation fan, the outside fixed mounting of montant has the connecting block, the rotation axis rotates with the connecting block to be connected, the top of shell is provided with temperature sensor, the last electric.

Preferably, the driven rod is rotatably mounted at the top of the bottom plate, a first bevel gear is fixedly mounted at the bottom end of the driven rod, a second bevel gear is fixedly mounted on the outer side of the rotating shaft, and the first bevel gear is meshed with the second bevel gear.

Preferably, the top of the bottom plate is provided with a limiting groove, a moving block is slidably mounted in the limiting groove, the moving block is of a T-shaped structure, and the same spring is fixedly mounted between one side of the moving block and the inner wall of one side of the limiting groove.

Preferably, a gear is fixedly mounted on the outer side of the vertical rod, a first rack is fixedly mounted on one side of the moving block, the gear is meshed with the first rack, and a plurality of air inlet holes and air outlet holes are formed in the LED shell.

Preferably, a sector gear is fixedly mounted on the outer side of the driven rod, a second rack is fixedly mounted on one side of the moving block, and the sector gear is meshed with the second rack.

Preferably, the bottom of the welding plate is provided with a cooling box, a semiconductor refrigerating sheet is arranged in the cooling box, and the semiconductor refrigerating sheet is electrically connected with an electromagnetic switch which is electrically connected with the controller.

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

1. the utility model is characterized in that the controller is arranged on the LED lamp post, the controller, the servo motor, the semiconductor refrigeration piece, the stable sensor and the electromagnetic switch are connected with the internal power supply of the LED street lamp, two critical values of the temperature sensor are set, when the temperature in the LED shell is overhigh, when the first critical value is reached, the servo motor is started, the servo motor drives the heat dissipation fan to cool the interior of the LED shell through the rotating shaft, meanwhile, the rotating shaft drives the driven rod to rotate through the first bevel gear and the second bevel gear, the driven rod drives the sector gear to rotate, the sector gear is discontinuously meshed with the second rack, meanwhile, under the elastic force cooperation of the spring, the second gear belt drives the movable block to move back and forth, the movable block drives the vertical rod to rotate back and forth through the first gear and the gear, the vertical rod drives the servo motor and the heat dissipation fan to rotate back and forth along the horizontal direction, and the LED shell can be uniformly cooled.

2. When the temperature reaches the second critical value, the semiconductor refrigeration piece is opened, the cooling fan blows cold air generated by the semiconductor refrigeration piece to the inside of the LED shell uniformly, the cooling speed is accelerated, and after the temperature is reduced, the semiconductor refrigeration piece and the servo motor are closed through the controller.

The utility model discloses convenient operation can monitor the inside temperature variation of LED shell constantly, can be quick, even the inside to the LED shell is cooled down.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the top-down connection structure of the bottom plate, the sector gear, the first rack, the second rack, the moving block, etc. of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. an LED housing; 2. mounting a plate; 3. welding the plate; 4. a servo motor; 5. a base plate; 6. A vertical rod; 7. connecting blocks; 8. a rotating shaft; 9. a heat dissipation fan; 10. A driven lever; 11. a moving block; 12 a first rack; 13. a sector gear; 14. a gear; 15. a cross bar; 16. a second rack; 17. a spring; 18. a cooling box; 19. a semiconductor refrigeration sheet; 20. a temperature sensor.

Detailed Description

In order to solve the radiator simple structure of current LED street lamp, can not monitor the inside temperature of LED street lamp constantly and carry out timely effective radiating problem, the utility model provides a heat radiation structure of LED street lamp. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Please refer to fig. 1-3, this embodiment provides a heat dissipation structure of an LED street lamp, which includes an LED housing 1, a circuit board is disposed in the LED housing 1, the circuit board is connected with an LED lamp, a mounting plate 2 is fixedly connected to an inner wall of one side of the LED housing 1, a welding plate 3 and a bottom plate 5 are fixedly mounted to one side of the mounting plate 2, a same vertical rod 6 is rotatably mounted between the welding plate 3 and the bottom plate 5, a cross rod 15 is fixedly mounted to an outer side of the vertical rod 6, a servo motor 4 is fixedly connected to a bottom of the cross rod 15, a rotating shaft 8 is fixedly mounted to an output shaft of the servo motor 4, a heat dissipation fan 9 is fixedly mounted to one end of the rotating shaft 8, a connecting block 7 is fixedly mounted to an outer side of the vertical rod 6, the rotating shaft 8 is rotatably connected to the connecting block 7, a.

Wherein, the mounting panel 2 passes through the screw connection with LED shell 1, and the controller is the PLC controller, and servo motor 4 is outage self-locking type motor.

Example 2

Referring to fig. 1-3, a further improvement is made on the basis of embodiment 1: a driven rod 10 is rotatably installed at the top of the bottom plate 5, a first bevel gear is fixedly installed at the bottom end of the driven rod 10, a second bevel gear is fixedly installed at the outer side of the rotating shaft 8, the first bevel gear is meshed with the second bevel gear, the first bevel gear and the second bevel gear play a role in force transmission, a limiting groove is formed in the top of the bottom plate 5, a moving block 11 is slidably installed in the limiting groove, the moving block 11 is of a T-shaped structure, a same spring 17 is fixedly installed between one side of the moving block 11 and the inner wall of one side of the limiting groove, the spring 17 can push the moving block 11 to reset when the sector gear 13 is separated from the first rack 12, a gear 14 is fixedly installed at the outer side of the vertical rod 6, a first rack 12 is fixedly installed at one side of the moving block 11, the gear 14 is meshed with the first rack 12, a plurality of air inlet, a second rack 16 is fixedly mounted on one side of the moving block 11, the sector gear 13 is meshed with the second rack 16, a cooling box 18 is arranged at the bottom of the welding plate 3, a semiconductor refrigerating sheet 19 is arranged in the cooling box 18, and an electromagnetic switch is electrically connected to the semiconductor refrigerating sheet 19 and electrically connected with the controller.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A heat dissipation structure of an LED street lamp comprises an LED shell (1), a circuit board is arranged in the LED shell (1), and an LED lamp is connected on the circuit board, the heat dissipation structure is characterized in that a mounting plate (2) is fixedly connected on the inner wall of one side of the LED shell (1), a welding plate (3) and a bottom plate (5) are fixedly arranged on one side of the mounting plate (2), a same vertical rod (6) is rotatably arranged between the welding plate (3) and the bottom plate (5), a transverse rod (15) is fixedly arranged on the outer side of the vertical rod (6), a servo motor (4) is fixedly connected with the bottom of the transverse rod (15), a rotating shaft (8) is fixedly arranged on an output shaft of the servo motor (4), a heat dissipation fan (9) is fixedly arranged at one end of the rotating shaft (8), a connecting block (7) is fixedly arranged on the outer side of the vertical rod (6), the rotating shaft (, the temperature sensor (20) is electrically connected with a controller, and the servo motor (4) is electrically connected with the controller.

2. The heat dissipation structure of an LED street lamp according to claim 1, wherein: the driven rod (10) is rotatably installed at the top of the bottom plate (5), a first bevel gear is fixedly installed at the bottom end of the driven rod (10), a second bevel gear is fixedly installed on the outer side of the rotating shaft (8), and the first bevel gear is meshed with the second bevel gear.

3. The heat dissipation structure of an LED street lamp according to claim 1, wherein: the top of the bottom plate (5) is provided with a limiting groove, a moving block (11) is arranged in the limiting groove in a sliding mode, the moving block (11) is of a T-shaped structure, and the same spring (17) is fixedly arranged between one side of the moving block (11) and the inner wall of one side of the limiting groove.

4. The heat dissipation structure of an LED street lamp according to claim 1, wherein: the LED lamp is characterized in that a gear (14) is fixedly mounted on the outer side of the vertical rod (6), a first rack (12) is fixedly mounted on one side of the moving block (11), the gear (14) is meshed with the first rack (12), and a plurality of air inlet holes and air outlet holes are formed in the LED shell (1).

5. The heat dissipation structure of an LED street lamp according to claim 2, wherein: a sector gear (13) is fixedly mounted on the outer side of the driven rod (10), a second rack (16) is fixedly mounted on one side of the moving block (11), and the sector gear (13) is meshed with the second rack (16).

6. The heat dissipation structure of an LED street lamp according to claim 1, wherein: the bottom of welding plate (3) is provided with cooling box (18), is provided with semiconductor refrigeration piece (19) in cooling box (18), and the electric connection has electromagnetic switch on semiconductor refrigeration piece (19), electromagnetic switch and controller electric connection.