CN209913691U

CN209913691U - Switching power supply heat dissipation dust collector

Info

Publication number: CN209913691U
Application number: CN201920696923.3U
Authority: CN
Inventors: 龙学军; 陈东文; 陈伦强
Original assignee: ZHAOQING BOSHIXIN ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: ZHAOQING BOSHIXIN ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-01-07
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a switching power supply heat dissipation and dust removal device, which comprises a base, a mounting rack, a refrigerator, a refrigeration chamber, an air blower, an air outlet pipe, a hollow threaded rod, a fixing nut, a plastic blast pipe, an air outlet, a filter screen and a switching power supply body, wherein the mounting rack is arranged on the base, the refrigerator is arranged on the mounting rack, the refrigeration chamber is arranged on an evaporator part of the refrigerator, the air blower is arranged on the mounting rack and is connected with the refrigeration chamber, the air outlet pipe is arranged on the refrigeration chamber, the hollow threaded rod is sleeved on the air outlet pipe and is inserted into a shell of the switching power supply body, the fixing nut is screwed and arranged on the hollow threaded rod and is abutted against the inner wall of the shell of the switching power supply body, the plastic blast pipe is arranged on the air outlet pipe, a plurality of air outlets are, the filter screen is arranged on a ventilation opening of the shell of the switch power supply body. The utility model discloses novel structure, the practicality is strong.

Description

Switching power supply heat dissipation dust collector

Technical Field

The utility model relates to a switching power supply heat abstractor field, especially a switching power supply heat dissipation dust collector.

Background

The switch power supply, especially a large-scale high-power switch power supply, electronic components in the switch power supply often can send a large amount of heat, too high temperature of the electronic components can not only damage the electronic components but also lead to the change of the electrical characteristics of the electronic components, and lead to the reduction of the stability of the output of the electronic components.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a switching power supply heat dissipation and dust removal device is designed.

The technical scheme of the utility model is that, the heat dissipation and dust removal device for the switch power supply comprises a base, a mounting rack, a refrigerator, a refrigeration chamber, an air blower, an air outlet pipe, a hollow threaded rod, a fixing nut, a plastic blast pipe, an air outlet, a filter screen and a switch power supply body, wherein the mounting rack is mounted on the base, the refrigerator is mounted on the mounting rack, the refrigeration chamber is mounted on an evaporator part of the refrigerator, the air blower is mounted on the mounting rack and connected with the refrigeration chamber, the air outlet pipe is mounted on the refrigeration chamber, the hollow threaded rod is sleeved on the air outlet pipe and inserted into a shell of the switch power supply body, the fixing nut is screwed and mounted on the hollow threaded rod and abutted against the inner wall of the shell of the switch power supply body, the plastic blast pipe is mounted on the air outlet pipe, and a plurality of the air outlets are mounted, the filter screen is arranged on a ventilation opening of the shell of the switch power supply body.

Preferably, the air inlet part of the air blower is provided with air blower filtering sponge.

Preferably, the plastic air supply pipe is of an S-shaped bent structure and is located at the upper part of the circuit board in the switch power supply body.

Preferably, the air outlet is formed in the lower portion of the plastic air supply pipe and corresponds to a heating element on a circuit board in the switch power supply body.

Preferably, a temperature sensor is arranged in the shell of the switching power supply body.

Advantageous effects

The utility model provides a switching power supply dust collector that dispels heat, the following beneficial effect is possessed, this device utilizes the refrigerator to refrigerate in switching power supply through its structural design, through the plastics blast pipe with the interior corresponding air outlet of the component position that generates heat of switching power supply in the component position carries out the cooling of pertinence to heating element, the local accumulated heat of heating element has been avoided, this device can install on switching power supply who has come into operation as required, the cooling of blowing to heating element not only can play the cooling effect, and can blow original dust in the switching power supply, adsorb on the filter screen along with the air current.

Drawings

Fig. 1 is a schematic structural view of the heat dissipation and dust removal device of the switching power supply of the present invention;

fig. 2 is a schematic top view of a plastic blast pipe of the heat dissipation and dust removal device for a switching power supply of the present invention;

fig. 3 is a left side view schematic diagram of the hollow threaded rod position of the switching power supply heat dissipation and dust removal device.

In the figure, 1, a base; 2. a mounting frame; 3. a refrigerator; 4. a refrigeration compartment; 5. a blower; 6. an air outlet pipe; 7. a hollow threaded rod; 8. fixing a nut; 9. a plastic blast pipe; 10. an air outlet; 11. a filter screen; 12. a temperature sensor; 13. a switching power supply body.

Detailed Description

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.

Referring to fig. 1-3, the present invention provides a technical solution: a switching power supply heat dissipation and dust removal device comprises a base 1, a mounting frame 2, a refrigerator 3, a refrigeration chamber 4, an air blower 5, an air outlet pipe 6, a hollow threaded rod 7, a fixing nut 8, a plastic air supply pipe 9, an air outlet 10, a filter screen 11 and a switching power supply body 13, wherein the mounting frame 2 is mounted on the base 1, the refrigerator 3 is mounted on the mounting frame 2, the refrigeration chamber 4 is mounted on an evaporator part of the refrigerator 3, the air blower 5 is mounted on the mounting frame 2 and connected with the refrigeration chamber 4, the air outlet pipe 6 is mounted on the refrigeration chamber 4, the hollow threaded rod 7 is sleeved on the air outlet pipe 6 and connected with a shell of the switching power supply body 13 in an inserting manner, the fixing nut 8 is rotatably mounted on the hollow threaded rod 7 and abuts against the inner wall of the shell of the switching power supply body 13, the plastic air supply pipe 9 is mounted on the, the air outlets 10 are arranged on the plastic air supply pipe 9, and the filter screen 11 is arranged on a ventilation opening of a shell of the switch power supply body 13. And a blower filter sponge is arranged at the air inlet part of the blower 5. The plastic air supply pipe 9 is of an S-shaped bent structure and is located on the upper portion of the circuit board in the switching power supply body 13. The air outlet 10 is arranged at the lower part of the plastic blast pipe 9 and corresponds to the position of a heating element on a circuit board in the switch power supply body 13. A temperature sensor 12 is arranged in the shell of the switching power supply body 13.

The following electrical device models are used in the present case:

a refrigerator: 220V single-phase AC refrigerator

A blower: 220V single-phase alternating current blower

The following is a description of the materials and shapes of the devices in this case:

a filter screen: air filtering sponge

All the electric parts in the scheme are connected with the adaptive power supply through the conducting wires, and an appropriate controller is selected according to actual conditions to meet control requirements, specific connection and control sequences.

In this embodiment:

the base 1 and the mounting frame 2 play a role in bearing and mounting a carrier.

The device uses commercial power as a power supply, and the power supply is electrically connected with the refrigerator 3 and the blower 5.

This device can adopt the singlechip as the controller, and singlechip input pin passes through AD converter as input and temperature sensor electric connection, and singlechip output pin passes through triode amplifier circuit electric connection relay input, and relay output electric connection contactor input, contactor output electric connection refrigerator 3, the power supply circuit of air-blower 5, the further power break-make of controlling refrigerator 3, air-blower 5.

The working process is as follows: firstly, an air outlet pipe 6 of the device is inserted on a shell of a switch power supply body 13, and the air outlet pipe 6 and a plastic air supply pipe 9 connected with the air outlet pipe 6 are arranged on the switch power supply body 13 by utilizing a hollow threaded rod 7 and a fixing nut 8;

then, the power supply is turned on, the blower 5 is manually controlled to start working, the blower 5 works to blow air into the switch power supply body 13 through the air outlet pipe 6, the plastic air supply pipe 9 and the air outlet 10 to blow air so as to blow up dust in the switch power supply body 13, and at the moment, the filter screen 11 can be detached from the switch power supply body 13, so that the dust can be conveniently discharged from the switch power supply body 13 in a positive pressure manner;

then, a filter screen 11 is installed, a controller is started to enter a working mode, the switch power supply body 13 also starts to work, when the temperature sensor 13 senses that the temperature in the switch power supply body 13 is too high, a temperature analog signal is sent to the controller, the controller analyzes data and controls the air blower 5 to work as soon as the data reaches a critical value, and the air blower 5 works to carry out positive pressure cooling on the interior of the switch power supply body 13;

when the temperature in the switching power supply body 13 is still continuously increased, the controller analyzes the signal of the temperature sensor 12 to judge that the temperature reaches the critical value two, the controller immediately controls the refrigerating machine 3 to start working to cool the inside of the refrigerating chamber 4, and the air blower 5 blows cold air in the refrigerating chamber 4 to each heating element in the switching power supply body 13 through the air outlet 10 in a directional mode to cool.

The device adopts the plastic blast pipe 9, and the plastic material is convenient to process, so that the device is convenient to design different sizes and shapes aiming at different switch power supply bodies 13 and open the air outlets 10 on the plastic blast pipe 9 according to different positions of heating components in the switch power supply bodies 13.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 switching power supply heat dissipation and dust removal device comprises a base (1), a mounting frame (2), a refrigerator (3), a refrigeration chamber (4), an air blower (5), an air outlet pipe (6), a hollow threaded rod (7), a fixing nut (8), a plastic air supply pipe (9), an air outlet (10), a filter screen (11) and a switching power supply body (13), wherein the mounting frame (2) is installed on the base (1), the refrigerator (3) is installed on the mounting frame (2), the refrigeration chamber (4) is installed on an evaporator part of the refrigerator (3), the air blower (5) is installed on the mounting frame (2) and connected with the refrigeration chamber (4), the air outlet pipe (6) is installed on the refrigeration chamber (4), and the switching power supply heat dissipation and dust removal device is characterized in that the hollow threaded rod (7) is sleeved on the air outlet pipe (6) and inserted into a shell of the switching power supply body (13) for, the fixing nut (8) is screwed and installed on the hollow threaded rod (7) and is abutted to the inner wall of the shell of the switch power supply body (13), the plastic air supply pipe (9) is installed on the air outlet pipe (6), the air outlet (10) is installed on the plastic air supply pipe (9), and the filter screen (11) is installed on the vent of the shell of the switch power supply body (13).

2. The switching power supply heat dissipation and dust removal device as claimed in claim 1, wherein a blower filter sponge is arranged on an air inlet portion of the blower (5).

3. The heat dissipation and dust removal device for the switching power supply according to claim 1, wherein the plastic blast pipe (9) has an S-shaped bent structure and is located at the upper part of the circuit board in the switching power supply body (13).

4. The switching power supply heat dissipation and dust removal device as claimed in claim 1, wherein the air outlet (10) is formed at a lower portion of the plastic air supply pipe (9) and corresponds to a position of a heating element on a circuit board in the switching power supply body (13).

5. The heat dissipation and dust removal device for the switching power supply according to claim 1, wherein a temperature sensor (12) is arranged in a shell of the switching power supply body (13).