CN213367624U

CN213367624U - High-frequency switching power supply shell with heat dissipation function

Info

Publication number: CN213367624U
Application number: CN202022689053.2U
Authority: CN
Inventors: 陈小春
Original assignee: Changzhou Jinluan Metal Products Co ltd
Current assignee: Changzhou Jinluan Metal Products Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-06-04
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to the technical field of high-frequency switching power supply, and discloses a high-frequency switching power supply shell with heat dissipation function, which comprises a shell and a heat dissipation adjusting device, wherein the left side and the right side of the shell are both provided with vent holes, the heat dissipation adjusting device is fixedly arranged on the right side wall of the shell, the heat dissipation adjusting device is positioned in the right side vent hole, and the high-frequency switching power supply is fixedly arranged in an inner cavity of the shell. And isolation nets are arranged in the ventilation holes on the left side and the right side.

Description

High-frequency switching power supply shell with heat dissipation function

Technical Field

The utility model belongs to the technical field of high frequency switching power supply, specifically be a high frequency switching power supply shell with heat dissipation function.

Background

The high frequency switch power supply is a power supply which works at high frequency through MOSFET or IGBT, the switch frequency is generally controlled within the range of 50-100kHz, the high efficiency and miniaturization are realized, in 1989, SEPIC and Zeta are also applied to the switch power supply, so that the number of DC/DC converters adopted by the switch power supply is increased to 6, the number of DC/DC converters adopted by the switch power supply is increased to 14 through the evolution and cascade connection of the DC/DC converters, and the 14 DC/DC converters are used as the main component part of the switch power supply, so that the switch power supply which is used in different places, meets different performance requirements and purposes, has high performance and high power density can be designed.

However, in order to meet the requirements of high efficiency and miniaturization of a high-frequency switch, an existing high-frequency switch power supply can generate a self-heating phenomenon, but in order to protect the high-frequency switch power supply, a shell can be used for protection, so that heat of the high-frequency switch power supply is not easy to dissipate, the high-frequency switch power supply can often generate a self-heating phenomenon, and is dangerous, and therefore, the high-frequency switch power supply shell with the heat dissipation function is provided.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a high frequency switch power supply shell with heat dissipation function, the effectual current switch of having solved can produce the spontaneous combustion phenomenon in order to satisfy high efficiency and the miniaturization to the high frequency switch, current high frequency switch power supply, nevertheless in order to protect high frequency switch power supply, so can use the shell to protect, the heat that leads to high frequency switch power supply more is difficult for giving off, the spontaneous combustion phenomenon can take place for high frequency switch power supply often self-heating, comparatively dangerous problem.

In order to achieve the above object, the utility model provides a following technical scheme: a high-frequency switching power supply shell with a heat dissipation function comprises a shell and a heat dissipation adjusting device, wherein ventilation holes are formed in the left side and the right side of the shell, the heat dissipation adjusting device is fixedly installed on the right side wall of the shell, the heat dissipation adjusting device is located in the ventilation holes in the right side, and a high-frequency switching power supply is fixedly installed in an inner cavity of the shell;

the heat dissipation adjusting device comprises an action box, wherein a first motor is fixedly arranged in an inner cavity of the action box, a transmission end of the first motor is connected with an action box in a rotating mode, a second motor is fixedly arranged in an inner cavity of the action box, a first rotating rod is fixedly connected with a transmission end of the second motor, a second rotating rod is connected with the left side of the action box in a rotating mode, a chain belt is sleeved on the outer wall of the first rotating rod and the outer wall of the second rotating rod, a connecting plate is fixedly connected with the upper side and the lower side of the outer wall of the second rotating rod, the connecting plate is two groups, a third motor is fixedly arranged on the viewing side of the connecting plate, and a fan blade is fixedly connected with.

Preferably, the material of shell includes graphite layer, ceramic raw material layer and copper sheet layer, ceramic raw material layer is located the inboard of copper sheet layer, the graphite layer is located the inboard of ceramic raw material layer.

Preferably, the left and right sides are provided with isolation nets in the ventilation holes.

Preferably, the outer walls of the first rotating rod and the second rotating rod are fixedly sleeved with tooth blocks, and the chain belt is located inside the tooth blocks.

Preferably, the upper side and the lower side of the shell are both provided with through holes, and filter screens are arranged in the through holes.

Preferably, the upper side and the lower side of the action box are both fixedly provided with refrigeration blocks.

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

1. the direction of the fan blades can be adjusted by arranging the heat dissipation adjusting device, the fan blades can be finely adjusted, the upper side and the lower side of the high-frequency switching power supply can be blown by adjusting the angle of the fan blades, circulating air can be formed in the inner cavity of the shell conveniently, and the heat dissipation effect of the device is improved;

2. the refrigeration block can be arranged to cool the outside air, the high-frequency switching power supply can be further cooled by being matched with the fan blades, the through holes are formed, the air inside the shell can be conveniently circulated, and the air circulation inside the shell is improved;

3. the air of the inner cavity of the shell can be cooled by the graphite layer, the ceramic raw material layer and the copper sheet layer, so that the heat dissipation performance of the device on a high-frequency switching power supply is improved, and the isolation nets are arranged in the ventilation holes in the left side and the right side.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic view of the structure of the heat dissipation adjustment device of the present invention;

fig. 3 is a schematic view of the structure of the housing of the present invention.

In the figure: 100. a housing; 101. a graphite layer; 102. a ceramic raw material layer; 103. a copper sheet layer; 110. an isolation net; 120. a high frequency switching power supply; 200. a heat dissipation adjustment device; 210. an action box; 220. a first motor; 230. an action box; 240. a second motor; 250. a first rotating lever; 260. a second rotating rod; 270. a chain belt; 280. a connecting plate; 290. a third motor; 300. a fan blade; 310. a refrigeration block.

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 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.

Referring to fig. 1, the heat dissipation device includes a housing 100 and a heat dissipation adjustment device 200.

Referring to fig. 1, the left and right sides of the housing 100 are both provided with ventilation holes, the heat dissipation adjustment device 200 is fixedly mounted on the right side wall of the housing 100, the heat dissipation adjustment device 200 is located in the right ventilation hole, and the high-frequency switching power supply 120 is fixedly mounted in the inner cavity of the housing 100.

Referring to fig. 1-2, the heat dissipation adjustment device 200 includes an action box 210, a first motor 220 is fixedly installed in an inner cavity of the action box 210, a action box 230 is rotatably connected to a transmission end of the first motor 220, a second motor 240 is fixedly installed in the inner cavity of the action box 230, a first rotating rod 250 is fixedly connected to a transmission end of the second motor 240, a second rotating rod 260 is rotatably connected to a left side of the action box 230, a chain belt 270 is sleeved on outer walls of the first rotating rod 250 and the second rotating rod 260, connecting plates 280 are fixedly connected to upper and lower sides of an outer wall of the second rotating rod 260, third motors 290 are fixedly installed on viewing sides of the two groups of connecting plates 280, a fan blade 300 is fixedly connected to a transmission end of the third motor 290, a tooth block is fixedly connected to outer walls of the first rotating rod 250 and the second rotating rod 260, the chain belt 270 is located inside the tooth block, and the first rotating rod 250, the second rotating rod 260 and the chain belt 270, avoid first bull stick 250 and second bull stick 260 to rotate asynchronous phenomenon, the equal fixed mounting in upper and lower both sides of effect casket 230 has refrigeration piece 310, can cool down the air of outside through setting up refrigeration piece 310, cooperatees with flabellum 300 and can further cool down high frequency switching power supply 120.

Referring to fig. 1-3, the material of the housing 100 includes a graphite layer 101, a ceramic raw material layer 102 and a copper sheet layer 103, the ceramic raw material layer 102 is located inside the copper sheet layer 103, the graphite layer 101 is located inside the ceramic raw material layer 102, the graphite layer 101, the ceramic raw material layer 102 and the copper sheet layer 103 can dissipate heat and cool air in the inner cavity of the housing 100, thereby improving heat dissipation performance of the device to the high-frequency switching power supply 120, isolation nets 110 are disposed in ventilation holes on the left and right sides, the isolation nets 110 are disposed to prevent dust from entering the housing 100, thereby preventing the dust from damaging the high-frequency switching power supply 120, through holes are disposed on the upper and lower sides of the housing 100, a filter screen is disposed inside the through holes, thereby facilitating air circulation inside the housing 100 and increasing air circulation performance inside the housing 100.

In this embodiment: the first motor 220, the second motor 240 and the third motor 290 are all positive and negative rotation motors of type 6D300 GU-C.

The working principle is as follows: in the specific implementation of the present invention, the third motor 290 is started, the fan blade 300 is driven to rotate by the third motor 290, the external air is blown into the inner cavity of the housing 100 by the fan blade 300, the high frequency switching power supply 120 is cooled by the external air, the refrigeration block 310 is started, the external air is cooled by the refrigeration block 310, the high frequency switching power supply 120 is further cooled, the second motor 240 is started, the first rotating rod 250 is driven to rotate by the second motor 240, the second rotating rod 260 is driven to rotate by the first rotating rod 250, the connecting plate 280 is driven to rotate by the second rotating rod 260, the third motor 290 and the fan blade 300 are driven to perform angle adjustment by the connecting plate 280, the first motor 220 is started, the action cassette 230 is driven to rotate by the first motor 220, the fan blade 300 and the third motor 290 are adjusted in angle by the action cassette 230, the upper and lower sides of the fan blade 120 can be blown by the high frequency switch 300, the circulating air is conveniently formed in the inner cavity of the shell 100, and the heat dissipation effect of the device is improved.

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

Claims

1. A high-frequency switch power supply shell with a heat dissipation function comprises a shell (100) and a heat dissipation adjusting device (200), and is characterized in that: the left side and the right side of the shell (100) are both provided with vent holes, the heat dissipation adjusting device (200) is fixedly arranged on the right side wall of the shell (100), the heat dissipation adjusting device (200) is positioned in the right side vent hole, and the inner cavity of the shell (100) is fixedly provided with a high-frequency switching power supply (120);

heat dissipation adjusting device (200) is including acting on case (210), the inner chamber fixed mounting that acts on case (210) has first motor (220), the transmission end of first motor (220) rotates and is connected with effect casket (230), the inner chamber fixed mounting that acts on casket (230) has second motor (240), the first bull stick (250) of transmission end fixedly connected with of second motor (240), the left side of acting on casket (230) rotates and is connected with second bull stick (260), chain belt (270) have been cup jointed with to the outer wall of first bull stick (250) and second bull stick (260), the upper and lower both sides fixedly connected with connecting plate (280) of second bull stick (260) outer wall, two sets of the looks side fixed mounting of connecting plate (280) has third motor (290), the transmission end fixedly connected with flabellum (300) of third motor (290).

2. The high-frequency switch power supply shell with the heat dissipation function according to claim 1, wherein: the shell (100) is made of a graphite layer (101), a ceramic raw material layer (102) and a copper sheet layer (103), the ceramic raw material layer (102) is located on the inner side of the copper sheet layer (103), and the graphite layer (101) is located on the inner side of the ceramic raw material layer (102).

3. The high-frequency switch power supply shell with the heat dissipation function according to claim 1, wherein: isolation nets (110) are arranged in the ventilation holes on the left side and the right side.

4. The high-frequency switch power supply shell with the heat dissipation function according to claim 1, wherein: the outer walls of the first rotating rod (250) and the second rotating rod (260) are fixedly sleeved with tooth blocks, and the chain belt (270) is located inside the tooth blocks.

5. The high-frequency switch power supply shell with the heat dissipation function according to claim 1, wherein: the upper side and the lower side of the shell (100) are both provided with through holes, and filter screens are arranged in the through holes.

6. The high-frequency switch power supply shell with the heat dissipation function according to claim 1, wherein: refrigeration blocks (310) are fixedly arranged on the upper side and the lower side of the action box (230).