CN215421340U

CN215421340U - Active heat dissipation type LED power supply device

Info

Publication number: CN215421340U
Application number: CN202121236417.XU
Authority: CN
Inventors: 詹锐
Original assignee: Shenzhen Xingxiu Electronics Co ltd
Current assignee: Shenzhen Xingxiu Electronics Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-01-04
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses an active heat dissipation type LED power supply device which comprises a bottom plate and a shell arranged at the upper end of the bottom plate, wherein heat dissipation holes are formed in two sides of the shell, a first gear is arranged on one side of a baffle connected with an inner cavity of each heat dissipation hole in a shaft mode, teeth are arranged on two sides of a lifting rod arranged in the inner cavity of the shell and meshed with the first gear, an electromagnet is vertically arranged on a metal plate arranged at the upper end of the lifting rod relatively, when an LED power supply is electrified, a heat dissipation fan runs, the electromagnet is electrified to magnetically attract and drive the metal plate, the metal plate moves upwards and then drives the lifting rod to move upwards together, the teeth arranged on one side drive the first gear when the lifting rod moves, and the baffle can rotate to be opened after the first gear rotates, so that heat dissipation and ventilation can be realized.

Description

Active heat dissipation type LED power supply device

Technical Field

The utility model relates to the technical field of LED power supplies, in particular to an active heat dissipation type LED power supply device.

Background

The LED power supply is one of power supplies, a device for supplying power to an electronic device, and a power supply. The LED power supply is characterized in that alternating current is converted into direct current through a transformer and a rectifier, the device is called a rectifying power supply and is also called a driving power supply, and when the LED power supply supplies power, a heat dissipation fan in an inner cavity of the LED power supply is turned on to operate, so that heat in the LED power supply can be drawn away, and a heat dissipation effect is achieved.

However, when the existing LED power supply is used for heat dissipation, due to the open structure of the heat dissipation holes, when the heat dissipation fan is not used, external dust easily enters the LED power supply, and the heat dissipation holes cannot be opened independently when the LED power supply operates.

The problems described above are addressed. Therefore, an active heat dissipation type LED power supply device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an active heat dissipation type LED power supply device, when an LED power supply is powered on, a heat dissipation fan runs, an electromagnet is powered on to magnetically attract and drive a metal plate, the metal plate drives a lifting rod to move upwards together after moving upwards, a tooth arranged on one side drives a first gear when the lifting rod moves, a baffle can be opened in a rotating mode after the first gear rotates, heat dissipation and ventilation can be achieved, when the LED power supply is powered off, the electromagnet is powered off, the lifting rod moves downwards due to elastic resilience of a second spring, the baffle can rotate again, the baffle can seal heat dissipation holes, and dust is prevented from entering an inner cavity of a shell, so that the problems in the background technology are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an initiative heat dissipation formula LED power supply unit, includes the shell of bottom plate and bottom plate upper end installation, the louvre has been seted up to the shell both sides, first gear is installed to baffle one side of louvre inner chamber coupling, and tooth is installed to the lifter both sides of shell inner chamber installation, and tooth and first gear engagement are connected, and the electro-magnet is installed perpendicularly relatively to the metal sheet of lifter upper end installation.

Preferably, a filter screen is installed on one side of a connecting plate installed on one side of the heat dissipation holes, and a heat dissipation fan is installed on one side of the connecting plate.

Preferably, a cleaning brush is installed at one side of the baffle.

Preferably, the lifting plates arranged at two ends of the filter screen are in sliding connection with the lifting groove formed in one side of the connecting plate, the limiting column arranged on the bottom surface of the inner cavity of the lifting groove penetrates through the lifting plates, and the outer surface of the limiting column is sleeved with the first spring.

Preferably, the outer surface of the ejector rod arranged at the upper end of the lifting rod is sleeved with a telescopic sleeve, the upper end of the telescopic sleeve is arranged in the inner cavity of the shell, and a second spring is arranged in the inner cavity of the telescopic sleeve.

Preferably, the telescopic sleeve is of an inverted U-shaped structure.

Preferably, the first spring is located at the upper end of the lifting plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the active heat dissipation type LED power supply device, when an LED power supply is powered on, a heat dissipation fan runs, meanwhile, an electromagnet is powered on and magnetically attracts to drive a metal plate, the metal plate moves upwards to drive a lifting rod to move upwards together, a tooth arranged on one side drives a first gear when the lifting rod moves, a baffle can be opened in a rotating mode after the first gear rotates, heat dissipation and ventilation can be achieved, when the LED power supply is powered off, the electromagnet is powered off, the lifting rod moves downwards due to elastic resilience of a second spring, the baffle can rotate again, the baffle can seal heat dissipation holes, and therefore dust is prevented from entering an inner cavity of a shell.

2. According to the active heat dissipation type LED power supply device, when the lifting rod moves up and down, the cleaning brush arranged on one side of the baffle can clean the surface of the filter screen, and the first spring arranged in the inner cavity of the lifting groove can enable the filter screen to be attached to one side of the cleaning brush, so that the cleaning effect of the surface of the filter screen is better.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic diagram of a connecting plate structure according to the present invention.

In the figure: 1. a base plate; 2. a housing; 21. heat dissipation holes; 22. a baffle plate; 221. a first gear; 222. a cleaning brush; 23. a connecting plate; 231. filtering with a screen; 232. a lifting plate; 233. a lifting groove; 234. a limiting column; 235. a first spring; 24. a heat dissipation fan; 241. teeth; 25. a metal plate; 26. a second spring; 27. a telescopic sleeve; 28. a top rod; 29. an electromagnet; 210. a lifting rod.

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, an active heat dissipation LED power device includes a housing 2 mounted on an upper end of a base plate 1 and having heat dissipation holes 21 formed on two sides thereof.

Referring to fig. 2, a first gear 221 is installed on one side of a baffle 22 coupled to an inner cavity of a heat dissipation hole 21, teeth 241 installed on two sides of a lifting rod 210 installed in the inner cavity of a housing 2 are engaged with the first gear 221, an electromagnet 29 is vertically and oppositely disposed on an upper end of a metal plate 25 installed on the upper end of the lifting rod 210, when an LED power supply is powered on, a heat dissipation fan 24 operates, the electromagnet 29 is powered on to magnetically drive the metal plate 25, the metal plate 25 moves upward to drive the lifting rod 210 to move upward together, the teeth 241 installed on one side of the lifting rod 210 move to drive the first gear 221, the baffle 22 can be rotated to open after the first gear 221 rotates, a telescopic sleeve 27 is sleeved on an outer surface of a top rod 28 installed on two sides of the upper end of the lifting rod 210, a second spring 26 is installed in the inner cavity of the telescopic sleeve 27, when the LED power supply is powered off, the electromagnet 29 is powered off, the second spring 26 rebounds to move the lifting rod 210 downward, thereby making the baffle 22 turn back again, making the baffle 22 able to seal the heat radiating hole 21, thereby preventing dust from entering the inner cavity of the case 2.

Referring to fig. 2-4, a filter screen 231 is installed on one side of a connecting plate 23 installed on one side of the heat dissipation hole 21, a heat dissipation fan 24 is installed on one side of the connecting plate 23, a lifting plate 232 installed on two sides of the filter screen 231 is slidably connected with a lifting groove 233 formed on one side of the connecting plate 23, a limiting post 234 installed on the bottom surface of an inner cavity of the lifting groove 233 penetrates through the lifting plate 232, a first spring 235 is sleeved on the outer surface of the limiting post 234, a cleaning brush 222 is installed on one side of a baffle 22, when the lifting rod 210 moves up and down, the cleaning brush 222 installed on one side of the baffle 22 can clean the surface of the filter screen 231, and the first spring 235 arranged in the inner cavity of the lifting groove 233 can enable the filter screen 231 to be attached to one side of the cleaning brush 222, so that the cleaning effect of the surface of the filter screen 231 is better.

The working principle is as follows: when the LED power supply is powered on, the heat dissipation fan 24 operates, the electromagnet 29 is powered on to magnetically drive the metal plate 25, the metal plate 25 moves upwards to drive the lifting rod 210 to move upwards together, the tooth 241 arranged on one side drives the first gear 221 when the lifting rod 210 moves, the baffle 22 can rotate to open after the first gear 221 rotates, so as to dissipate heat and ventilate, and when the LED power supply is powered off, the electromagnet 29 is powered off, the second spring 26 rebounds to enable the lifting rod 210 to move downwards, thereby making the baffle 22 turn back again, making the baffle 22 able to seal the heat dissipation hole 21, thereby preventing dust from entering the inner cavity of the housing 2, when the lifting rod 210 moves up and down, the cleaning brush 222 installed at one side of the baffle plate 22 can clean the surface of the filter screen 231, and the first spring 235 arranged in the inner cavity of the lifting groove 233 can make the filter screen 231 attached to one side of the cleaning brush 222, so that the surface cleaning effect of the filter screen 231 is better.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an initiative heat dissipation formula LED power supply unit, includes shell (2) of bottom plate (1) and bottom plate (1) upper end installation, louvre (21), its characterized in that have been seted up to shell (2) both sides: first gear (221) is installed to baffle (22) one side of louvre (21) inner chamber coupling, and tooth (241) are installed to lifter (210) both sides of shell (2) inner chamber installation, and tooth (241) are connected with first gear (221) meshing, and electro-magnet (29) are installed perpendicularly relatively in sheet metal (25) of lifter (210) upper end installation.

2. The active heat dissipation type LED power supply device according to claim 1, wherein: a filter screen (231) is installed on one side of a connecting plate (23) installed on one side of the heat dissipation hole (21), and a heat dissipation fan (24) is installed on one side of the connecting plate (23).

3. The active heat dissipation type LED power supply device according to claim 1, wherein: and a cleaning brush (222) is arranged on one side of the baffle (22).

4. The active heat dissipation type LED power supply device according to claim 2, wherein: lifting plate (232) of filter screen (231) both ends installation and lifting groove (233) sliding connection that connecting plate (23) one side was seted up, spacing post (234) of lifting groove (233) inner chamber bottom surface installation run through lifting plate (232), and spacing post (234) surface has cup jointed first spring (235).

5. The active heat dissipation type LED power supply device according to claim 1, wherein: the outer surface of a mandril (28) arranged at the upper end of the lifting rod (210) is sleeved with a telescopic sleeve (27), the upper end of the telescopic sleeve (27) is arranged in the inner cavity of the shell (2), and a second spring (26) is arranged in the inner cavity of the telescopic sleeve (27).

6. The active heat dissipation type LED power supply device according to claim 5, wherein: the telescopic sleeve (27) is of an inverted U-shaped structure.

7. The active heat dissipation type LED power supply device according to claim 4, wherein: the first spring (235) is positioned at the upper end of the lifting plate (232).