CN110505795B

CN110505795B - LED driving power supply with overheat protection function

Info

Publication number: CN110505795B
Application number: CN201910792098.1A
Authority: CN
Inventors: 吴光敏
Original assignee: Shenzhen Yiguang Technology Co ltd
Current assignee: Shenzhen Yiguang Technology Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-09-11
Anticipated expiration: 2039-08-26
Also published as: CN110505795A

Abstract

The invention discloses an LED driving power supply with an overheat protection function, which comprises a base, wherein a heat conduction layer is arranged on the base, a heat conduction plate is arranged on the heat conduction layer, plate seats are arranged on two sides of the heat conduction plate, the plate seats are fixedly arranged on the base, heat dissipation fins are arranged at the lower end of the base, an element body is arranged on the heat conduction plate, a protection cover is also arranged on the base, a heat dissipation channel is embedded in the protection cover, a heat dissipation barrel is arranged on the heat dissipation channel, and a motor is fixedly arranged in the heat dissipation barrel. This LED drive power supply with overheat protection function through base cooperation radiating fin and heat-conducting layer and heat-conducting plate, can carry out the heat conduction heat dissipation to the part installation part of component body contact, drives the blade through the motor, produces the air current for the air current is through the main entrance, from the inside heat dissipation of protecting crust, discharges through the louvre at last.

Description

LED driving power supply with overheat protection function

Technical Field

The invention relates to the technical field of LED driving power supplies, in particular to an LED driving power supply with an overheat protection function.

Background

The LED driving power supply is a power converter for converting a power supply into a specific voltage and current to drive the LED to emit light, and generally, the input of the LED driving power supply includes a high-voltage power-frequency alternating current (i.e., commercial power), a low-voltage direct current, a high-voltage direct current, a low-voltage high-frequency alternating current (e.g., output of an electronic transformer), and the like.

Generally, a slightly smaller LED driving power supply can achieve the effect of preventing overheating through heat dissipation holes in a shell in cooperation with air flowing, but the slightly larger LED driving power supply cannot achieve heat dissipation through simple air flowing, and if the heat dissipation effect is poor, internal elements are overheated, and the damage of the elements is easy to occur, so that a heat dissipation device needs to be additionally arranged on the element part to enable the whole driving power supply to have the function of overheat protection.

Disclosure of Invention

The invention aims to provide an LED driving power supply with an overheat protection function, so as to solve the problems that a large-scale LED power supply is poor in heat dissipation effect and easy to damage.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a LED drive power supply with overheat protection function, includes the base, be provided with the heat-conducting layer on the base, be provided with the heat-conducting plate on the heat-conducting layer, the both sides of heat-conducting plate all are provided with the plate seat, plate seat fixed mounting is on the base, the lower extreme of base is provided with radiating fin, be provided with the component body on the heat-conducting plate, still be provided with the protective cover on the base, the embedding has the heat dissipation channel on the protective cover, be provided with a heat dissipation section of thick bamboo on the heat dissipation channel, fixed mounting has the motor in the heat dissipation section of thick bamboo, fixed mounting has the blade in the pivot of motor, the equal fixed mounting in inner wall.

Preferably, the heat conducting layer is formed by mixing heat conducting silica gel and silicon dioxide powder, and the heat conducting layer is not more than three millimeters.

Preferably, the heat conducting plate is a heat conducting silica gel plate, and the thickness of the heat conducting plate is not more than five millimeters.

Preferably, the base, the plate seat and the radiating fins are all made of copper-zinc alloy materials, and the protective cover, the radiating channel and the radiating cylinder are all made of high-strength polyvinyl chloride materials.

Preferably, the heat dissipation channel is divided into a main channel and two side channels, the main channel is embedded into the protective cover, the air outlets of the two side channels correspond to the positions of the heat dissipation fins, and the width of the air outlet of the side channel is the same as that of the base.

Preferably, the base is fixedly connected with a positioning block, the protective cover is fixedly connected with a positioning seat, and the positioning block is inserted into the positioning seat in a sliding manner.

Preferably, the alignment block is provided with a groove, the groove is internally and fixedly connected with a spring, one end of the spring is fixedly connected with a bayonet lock, the alignment seat is provided with a through hole, and the bayonet lock is slidably sleeved with the through hole.

Preferably, the protective cover is provided with heat dissipation holes, and the outer ends of the heat dissipation holes are provided with second dust screens fixedly connected with the protective cover.

Preferably, the base is welded with a footing made of stainless steel materials, and the footing is provided with a mounting hole.

Compared with the prior art, the invention has the beneficial effects that: this LED drive power supply with overheat protection function: 1. the base is matched with the radiating fins, the heat conducting layer and the heat conducting plate, so that heat conduction and radiation can be carried out on the part, contacted with the element body, of the mounting part;

2. the blades are driven by the motor to generate airflow, so that the airflow passes through the main channel, is radiated from the inside of the protective shell and is finally discharged through the radiating holes;

3. through the side channel, can blow to radiating fin for radiating fin heat radiating rate accelerates, improves the radiating effect.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic view of the heat dissipation channel and the inner structure of the protection housing according to the present invention;

FIG. 3 is a schematic diagram of the connection side structure of the aligning block and the aligning base and the side shape of the foot according to the present invention;

FIG. 4 is a schematic side view of the heat dissipation hole and the second dust screen according to the present invention.

In the figure: the heat dissipation structure comprises a base 1, a heat conduction layer 11, a heat conduction plate 12, a plate base 13, heat dissipation fins 14, an element body 15, a heat dissipation channel 16, a heat dissipation cylinder 17, a motor 18, blades 19, a first dustproof net 110, a protective cover 111, a main channel 2, a side channel 21, a aligning block 3, an aligning base 31, a groove 4, a spring 41, a bayonet pin 42, a through hole 43, heat dissipation holes 5, a second dustproof net 51, feet 6 and mounting holes 61.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: an LED driving power supply with an overheat protection function comprises a base 1, wherein a heat conduction layer 11 is arranged on the base 1, the heat conduction layer 11 is formed by mixing heat conduction silica gel and silica powder, the heat conduction layer 11 is no more than three millimeters, a heat conduction plate 12 is arranged on the heat conduction layer 11, the heat conduction plate 12 is a heat conduction silica gel plate, the thickness of the heat conduction plate 12 is no more than five millimeters, plate bases 13 are arranged on two sides of the heat conduction plate 12, the heat conduction plate 12 penetrates through the plate bases 13 and the heat conduction layer 11 through screws to be fixedly connected with the base 1, the plate bases 13 are fixedly arranged on the base 1, heat dissipation fins 14 are arranged at the lower end of the base 1, an element body 15 is arranged on the heat conduction plate 12, the element body 15 is fixedly arranged on the heat conduction plate 12, a protective cover 111 is further arranged on the base 1, a, the motor 18 is a micro motor, and is connected in series with a power socket through a power adapter and a wire plug to be electrified, the blades 19 are fixedly installed on the rotating shaft of the motor 18, and the first dust screens 110 are fixedly installed at two ends of the inner wall of the heat dissipation cylinder 17.

Referring to fig. 2, the base 1, the plate base 13 and the heat dissipating fins 14 are all made of a copper-zinc alloy material, the protective cover 111, the heat dissipating channel 16 and the heat dissipating cylinder 17 are all made of a high-strength polyvinyl chloride material, the heat dissipating channel 16 is divided into a main channel 2 and two side channels 21, the main channel 2 is embedded in the protective cover 111, the positions of the air outlets of the two side channels 21 correspond to the positions of the heat dissipating fins 14, and the width of the air outlets of the side channels 21 is the same as the width of the base 1.

Referring to fig. 1 and 3, the base 1 is fixedly connected with the aligning block 3, the protecting cover 111 is fixedly connected with the aligning seat 31, the aligning block 3 is inserted into the aligning seat 31 in a sliding manner, the aligning block 3 is provided with a groove 4, the groove 4 is internally fixedly connected with a spring 41, one end of the spring 41 is fixedly connected with a bayonet pin 42, the aligning seat 31 is provided with a through hole 43, and the bayonet pin 42 is slidably sleeved with the through hole 43.

Referring to fig. 1 and 4, the protective cover 111 is provided with heat dissipation holes 5, and the outer ends of the heat dissipation holes 5 are provided with second dust screens 51 fixedly connected with the protective cover 111, so that a heat dissipation and ventilation effect is formed in the protective cover 111.

Referring to fig. 1 and 3, a foot 6 made of stainless steel is welded to the base 1, and a mounting hole 61 is formed in the foot 6.

The invention is implemented as follows: when protection against overheating is required, element body 15 is mounted on heat-conducting plate 12, which heat-conducting plate 12 conducts heat by insulating, so that heat passes through the heat conduction layer 11 formed by the heat dissipation silica gel and the silicon dioxide powder and is finally transmitted to the heat dissipation fins 14 through the base 1, thereby realizing the heat dissipation of the contact part of the element body 15, then, the power supply of the motor 18 is switched on again, so that the motor 18 drives the blades 19 to rotate, airflow is generated, the airflow is discharged from the main channel 2 and the side channels 21 respectively, the airflow of the main channel 2 directly enters the protective cover 111, heat is blown out from the heat dissipation holes 5 on two sides, the first dustproof net 110 can play a dustproof effect on the part of the motor 18, the second dustproof net 51 can play a dustproof effect in the protective cover 111, the airflow of the side channels 21 on two sides is aimed at the heat dissipation fins 14 to be blown, heat exchange of the heat dissipation fins 14 is improved, and further the heat dissipation effect is improved.

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. The utility model provides a LED drive power supply with overheat protection function, includes base (1), its characterized in that: the heat conduction plate is characterized in that a heat conduction layer (11) is arranged on the base (1), a heat conduction plate (12) is arranged on the heat conduction layer (11), plate seats (13) are arranged on two sides of the heat conduction plate (12), the plate seats (13) are fixedly arranged on the base (1), heat dissipation fins (14) are arranged at the lower end of the base (1), an element body (15) is arranged on the heat conduction plate (12), a protective cover (111) is further arranged on the base (1), a heat dissipation channel (16) is embedded into the protective cover (111), a heat dissipation tube (17) is arranged on the heat dissipation channel (16), a motor (18) is fixedly arranged in the heat dissipation tube (17), blades (19) are fixedly arranged on a rotating shaft of the motor (18), a first dust screen (110) is fixedly arranged at two ends of the inner wall of the heat dissipation tube (17), the heat dissipation channel (16) is divided into a main channel (2) and two, on main passageway (2) embedding protective cover (111), the air outlet position of two side passageways (21) corresponds with radiating fin (14)'s position, and the air outlet width of side passageway (21) is the same with the width of base (1), be provided with louvre (5) on protective cover (111), the outer end of louvre (5) is provided with second dust screen (51) with protective cover (111) fixed connection.

2. The LED driving power supply with overheat protection function according to claim 1, wherein: the heat conduction layer (11) is formed by mixing heat conduction silica gel and silicon dioxide powder, and the heat conduction layer (11) is not more than three millimeters.

3. The LED driving power supply with overheat protection function according to claim 1, wherein: the heat conducting plate (12) is a heat conducting silica gel plate, and the thickness of the heat conducting plate (12) is not more than five millimeters.

4. The LED driving power supply with overheat protection function according to claim 1, wherein: the base (1), the plate seat (13) and the radiating fins (14) are made of copper-zinc alloy materials, and the protective cover (111), the radiating channel (16) and the radiating cylinder (17) are made of high-strength polyvinyl chloride materials.

5. The LED driving power supply with overheat protection function according to claim 1, wherein: fixedly connected with counterpoint piece (3) on base (1), fixedly connected with counterpoint seat (31) on protective cover (111), counterpoint piece (3) slide and insert in counterpoint seat (31).

6. The LED driving power supply with the overheat protection function according to claim 5, wherein: the aligning block (3) is provided with a groove (4), a spring (41) is fixedly connected in the groove (4), one end of the spring (41) is fixedly connected with a clamping pin (42), the aligning seat (31) is provided with a through hole (43), and the clamping pin (42) is slidably sleeved with the through hole (43).

7. The LED driving power supply with overheat protection function according to claim 1, wherein: the base (1) is welded with a footing (6) made of stainless steel materials, and the footing (6) is provided with a mounting hole (61).