CN113451073B

CN113451073B - Heat dissipation type relay with breathing function

Info

Publication number: CN113451073B
Application number: CN202110581508.5A
Authority: CN
Inventors: 杜展
Original assignee: Churod Electronics Wuhu Co ltd
Current assignee: Churod Electronics Wuhu Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-04-26
Anticipated expiration: 2041-05-27
Also published as: CN113451073A

Abstract

The invention relates to the technical field of heat dissipation type relays with breathing functions, and discloses a heat dissipation type relay with breathing functions, which comprises a protection box with an opening at one side and a relay body fixedly arranged at the bottom of the inner wall of the protection box, wherein a filtering unit is arranged at the opening of the protection box, a cooling unit is arranged in the protection box, when the cooling unit reduces the temperature on the relay body, moisture in the air is prevented from entering the protection box through the filtering unit, the heat in the protection box is absorbed through a U-shaped evaporation tube, the maximum average current on the relay body is maintained, meanwhile, the insulation aging of the relay body can be caused by too high temperature, a coil shell is burnt and deformed, the damage of water molecules to an internal circuit of the relay body is avoided through the moisture in the air of a high water absorption polymer bag, and after the high water absorption polymer bag absorbs water and expands, the high water absorption polymer bag can be lifted out of a fixed frame by pulling up a sealing cover, is convenient for the operation of maintenance personnel.

Description

Heat dissipation type relay with breathing function

Technical Field

The invention relates to the technical field of heat dissipation type relays with breathing functions, in particular to a heat dissipation type relay with a breathing function.

Background

A relay is an electronic control device having a control system and a controlled system, and is generally applied to an automatic control circuit.

According to patent No. 201911184749.5, a heat dissipation structure of a current load relay is disclosed, comprising a corner seat and an inner pulling mechanism, wherein the right end of the corner seat is provided with a connecting seat, the inner end of the connecting seat is provided with an outer pulling mechanism, the inner pulling mechanism is arranged on the left side of the top end of the corner seat, the upper ends of the corner seat and the connecting seat are respectively provided with an upper seat, the end part of the upper seat is fixed with a heat dissipation mechanism, the left and right walls of the bottom end of the corner seat and the connecting seat are respectively provided with a side groove, the middle part of the side groove is provided with an inner ring, the inner side of the side groove is provided with a through hole, the inner end of the through hole is provided with a threaded column, the outer wall of the through hole is fixed with a screw wall, the middle part of the threaded column is provided with an even threading hole, the middle parts of the top ends of the corner seat and the connecting seat are respectively provided with a ventilation port, the middle part of the ventilation port is provided with a fan, the upper and lower ends of the left and right sides of the ventilation port are respectively provided with an air net port, the linkage sliding between the angle seat and the connecting seat can be realized through the matching sliding between the pull column and the pull groove, so that the distance between the angle seat and the connecting seat can be conveniently adjusted, the range of the linkage sliding between the pull column and the end part of the load relay can be conveniently changed, the linkage sliding device has high practical performance, simultaneously, the linkage elastic pull column can be conveniently realized through the elastic force of the outer spring, so that the pull column can be conveniently linked and bounced, the pull adjustment between the angle seat and the connecting seat can be realized, the automatic laminating resetting is realized, the practical performance is high, the pull column can be linked through the elastic force of the outer spring, the elastic force of the pull column can pull the angle seat and the connecting seat to move, a preliminary internal clamping effect is realized between the angle seat and the connecting seat, the clamping and the attaching with the end part of the load relay can be conveniently realized, and the displacement of the inner block can be linked through the elastic force of the inner spring, the inner strip fixed at the end part of the inner block can be driven to carry out displacement adjustment, and then the inner strip pushes the outer clamping pieces to carry out linkage adjustment and control, so that the outer clamping pieces are elastically linked and clamped, the end part of the relay is firmly clamped and positioned, and the high linkage positioning effect is achieved, and when the device is used, the sandwich groove is sleeved at the end part of the relay, and then the relay and the device body are clamped and attached through elasticity, so that the device has high convenience, temperature reduction liquid can be added into the central column groove through the feed inlet at the top end of the central column groove, the added liquid can flow into the pin holes through the central column groove and then flow into the inner plate holes through the pin holes, so that all the radiating fins are distributed, and then high radiating treatment is carried out through the radiating fins, so that the device has high radiating performance and is very convenient, and meanwhile, the device can work for the motor in the prior art through the fan at the inner end of the ventilating hole and the bottom end of the radiating fin, can see through the air mesh mouth and carry out the forced air cooling heat dissipation to sandwich groove and fin, thereby come its radiating effect of further reinforcing, through center post groove and foot hole mutually perpendicular, can conveniently come to circulate rivers, switch on the processing promptly, can pass through the rotation of screw thread post simultaneously, can come to carry out screw thread rotation regulation to the screw thread post, thereby adjust the position of screw thread post, and can wear to establish through screw thread post tip and wear the strip hole and come fixed knot structures such as cross-under rope, have high convenient performance, can carry out linkage location processing between device body bottom and the fixed node, the convenience is consolidated the use with the device body, stability during its use is improved.

The existing relay is characterized in that metal radiating fins are mostly used for cooling, when the relay works, gaps exist among the radiating fins, a coil and an armature, the heat energy transferred by air is radiation type, the heat conductivity is not high, and when the heat energy is transferred to the radiating fins, the temperature around the coil is high, so that the relay is not beneficial to work.

Disclosure of Invention

The invention aims to provide a heat dissipation type relay with a breathing function, which can maintain a dry environment in a protection box and can replace a high-water-absorption polymer bag relatively easily by reducing the temperature of a relay body.

Technical scheme

In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme: the utility model provides a heat dissipation type relay with breathe function, include that one side is open-ended guard box and fixed mounting in the relay body of guard box inner wall bottom, the opening part of guard box is provided with the filter unit, be provided with the cooling unit in the guard box, work as the cooling unit reduces during temperature on the relay body, through the moisture entering in the filter unit avoids the air in the guard box

Preferably, the filtering unit comprises a fixing frame and a high-water-absorption polymer bag, the fixing frame is fixedly arranged at the opening of the protection box, and the high-water-absorption polymer bag is positioned in the fixing frame.

Preferably, a sealing cover is arranged at the top of the fixing frame, a movable plate is arranged in the fixing frame, and fixing rods which are symmetrically distributed are arranged between the sealing cover and the movable plate.

Preferably, the super absorbent polymer bag is located on the top of the movable plate and between the two fixing rods.

Preferably, the bottom of the sealing cover is fixedly provided with symmetrically distributed right-angle trapezoidal blocks, and the side faces of the right-angle trapezoidal blocks adjacent to the sealing cover are lower bottoms.

Preferably, the cooling unit comprises a cooling box and U-shaped evaporation tubes, the cooling box is fixedly installed at the bottom of the inner wall of the protection box, and the U-shaped evaporation tubes are installed in the cooling box.

Preferably, the outer wall of the protection box is fixedly provided with a condenser and a compressor which are communicated with each other, one end of the U-shaped evaporation tube is fixedly communicated with the inside of the condenser, and the other end of the U-shaped evaporation tube is fixedly communicated with the inside of the compressor.

Preferably, a fan is fixedly mounted at the bottom of the inner wall of the protection box and is located between the fixing frame and the cooling box.

Preferably, the top of the cooling box is provided with a plurality of through holes which are communicated with the inside.

Preferably, the housing on one side of the relay body adjacent to the fan and one side opposite to the fan are provided with convection grooves.

Compared with the prior art, the heat dissipation type relay with the breathing function provided by the embodiment of the invention has the following beneficial effects:

according to the invention, the temperature of the relay body is reduced, air is compressed by the compressor and is sent into the U-shaped evaporation tube, the air temperature in the U-shaped evaporation tube is lower, the heat in the protection box is absorbed, the maximum average current on the relay body is maintained, the phenomenon that the relay body is used in a derating way due to overhigh temperature of the relay body is avoided, and meanwhile, the insulation aging of the relay body and the burning deformation of a coil shell can be caused due to overhigh temperature.

The invention can maintain the dry environment in the protection box, when the temperature in the protection box is reduced by using the cooling unit, water molecules in the air can enter the protection box, the high water absorption polymer bag is placed in the filtering unit, the high water absorption polymer bag can absorb water which is hundreds times or thousands times of the self weight, the water cannot be extruded out through pressurization although the volume is expanded, the damage of the water molecules to the internal circuit of the relay body can be avoided, and the normal work of the relay body can be maintained.

According to the invention, the high-water-absorptivity polymer bag can be replaced more simply, and after the high-water-absorptivity polymer bag absorbs water and swells, the high-water-absorptivity polymer bag can be lifted out of the fixing frame by pulling the sealing cover, so that the high-water-absorptivity polymer bag is convenient for maintenance personnel to operate.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

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 protection box according to the present invention;

FIG. 3 is a schematic view of a cooling unit according to the present invention;

FIG. 4 is a schematic view of the filter unit of the present invention;

FIG. 5 is a schematic view of a movable plate structure of the present invention;

fig. 6 is a schematic view of the bottom structure of the sealing cover of the present invention.

In the figure: 1. a protection box; 2. a filtration unit; 3. a temperature reduction unit; 4. a vent hole; 5. a sealing cover; 6. a condenser; 7. a compressor; 8. a through hole; 9. a relay body; 10. a fan; 11. aligning the trough; 12. fixing the rod; 13. a right-angled trapezoidal block; 14. a movable plate; 21. a fixed mount; 22. high water absorption polymer bag; 31. a cooling box; 32. u-shaped evaporating pipes.

Detailed Description

So that the objects, technical solutions and advantages of the embodiments of the present disclosure will be more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1 to 6, the heat dissipation relay with breathing function provided by the present invention includes a protection box 1 with an opening on one side and a relay body 9 fixedly installed at the bottom of the inner wall of the protection box 1, and the relay body 9 is placed in the protection box 1, so that the relay body 9 can be protected and prevented from being damaged.

The first embodiment is as follows:

as shown in fig. 1 to 3, when the relay body 9 works, the air is compressed by the compressor 7, and the compressed air is sent into the U-shaped evaporation tube 32, at this time, the air temperature in the U-shaped evaporation tube 32 is low, the heat in the cooling box 31 and the protection box 1 is absorbed, the air absorbing the heat enters the condenser 6 from the output end of the U-shaped evaporation tube 32, and the heat is released from the condenser 6, and then the air is sent into the compressor 7 to be compressed, and the process is repeated, so that the temperature in the protection box 1 is continuously reduced, the maximum average current on the relay body 9 is maintained, the derating use of the relay body 9 caused by the overhigh temperature of the relay body 9 is avoided, and meanwhile, the insulation aging of the relay body 9 and the fusing deformation of the coil housing can be caused by the overhigh temperature.

Example two:

as shown in fig. 2, a fan 10 is installed in the protection box 1, the cold air produced by the cooling unit 3 flows into the protection box 1 from the through hole 8, and the cold air is blown toward the relay body 9 by the fan 10, and meanwhile, convection grooves 11 are formed in the side surface of the relay body 9 adjacent to the fan 10 and the side surface of the opposite fan 10, so that the cold air is sent into the relay body 9 by the airflow, and the temperature in the relay body 9 is reduced.

Example three:

as shown in fig. 1 and 2, a temperature sensor is additionally installed in the protection box 1 to detect the temperature in the protection box 1, when the temperature is too high, the cooling unit 3 is started to reduce the temperature of the relay body 9, and when the temperature is lower, the cooling unit 3 is closed to stop the cooling unit 3 from absorbing heat, so that the temperature in the protection box 1 slowly rises, and the temperature in the protection box 1 is maintained within the working temperature of the relay body 9.

Example four:

as shown in fig. 4, when the temperature in the relay body 9 is lowered, water molecules in the air enter the relay body 9, a high water absorption polymer bag 22 is placed in the fixing frame 21, and when the water molecules enter the fixing frame 21 through the vent hole 4, the high water absorption polymer bag 22 can absorb water which exceeds several hundred times or even thousands times of the dead weight, and the volume is expanded, but the water cannot be extruded out through pressurization, so that the damage of the water molecules to the internal circuit of the relay body 9 can be avoided, and the normal operation of the relay body 9 is maintained.

Example five:

as shown in fig. 4 to 6, after the filtering unit 2 works for a long time, the sealing cover 5 is pulled up, the sealing cover 5 drives the fixing rod 12 to lift the movable plate 14, the super absorbent polymer pack 22 is placed in the movable plate 14, at this time, the super absorbent polymer pack 22 can be lifted out of the fixing frame 21, so that the maintenance personnel can operate the sealing cover, during installation, a new super absorbent polymer pack 22 is placed in the movable plate 14, the movable plate 14 is inserted into the fixing frame 21 until the side wall of the fixing frame 21 is located between the right-angled trapezoidal block 13 and the side wall of the sealing cover 5, and as the gap between the right-angled trapezoidal block 13 and the side wall of the sealing cover 5 is smaller and smaller, the sealing cover 5 can be clamped on the fixing frame 21.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims

1. The utility model provides a heat dissipation type relay with breathe function, includes that one side is open-ended guard box (1) and fixed mounting in relay body (9) of guard box (1) inner wall bottom, its characterized in that: a filtering unit (2) is arranged at an opening of the protection box (1), a cooling unit (3) is arranged in the protection box (1), and when the cooling unit (3) reduces the temperature of the relay body (9), moisture in the air is prevented from entering the protection box (1) through the filtering unit (2);

the filtering unit (2) comprises a fixing frame (21) and a high-water-absorptivity polymer bag (22), the fixing frame (21) is fixedly arranged at an opening of the protection box (1), and the high-water-absorptivity polymer bag (22) is positioned in the fixing frame (21); the cooling unit (3) comprises a cooling box (31) and U-shaped evaporation tubes (32), the cooling box (31) is fixedly installed at the bottom of the inner wall of the protection box (1), and the U-shaped evaporation tubes (32) are installed in the cooling box (31); the fan (10) is fixedly installed at the bottom of the inner wall of the protection box (1), and the fan (10) is located between the fixing frame (21) and the cooling box (31); the top of the cooling box (31) is provided with a plurality of through holes (8) which are communicated with the inside; convection grooves (11) are formed in the shells on one side, adjacent to the fan (10), of the relay body (9) and one side, opposite to the fan (10).

2. The heat dissipation type relay with the respiration function according to claim 1, wherein: the top of mount (21) is provided with sealed lid (5), be provided with in mount (21) fly leaf (14), sealed lid (5) with set up in being dead lever (12) of symmetric distribution between fly leaf (14).

3. The heat dissipation type relay with the respiration function according to claim 1, wherein: the high water-absorbing polymer bag (22) is positioned at the top of the movable plate (14) and between the two fixed rods (12).

4. The heat dissipation type relay with the respiration function according to claim 2, wherein: the bottom of the sealing cover (5) is fixedly provided with right-angle trapezoidal blocks (13) which are symmetrically distributed, and the side faces of the sealing cover (5) adjacent to the right-angle trapezoidal blocks (13) are lower bottoms.

5. The heat dissipation type relay with the respiration function according to claim 1, wherein: the condenser (6) and the compressor (7) which are communicated with each other are fixedly installed on the outer wall of the protection box (1), one end of the U-shaped evaporation tube (32) is fixedly communicated with the inside of the condenser (6), and the other end of the U-shaped evaporation tube is fixedly communicated with the inside of the compressor (7).