CN215529684U

CN215529684U - Microwave equalizer with self-protection function

Info

Publication number: CN215529684U
Application number: CN202121281892.9U
Authority: CN
Inventors: 夏军
Original assignee: Chengdu Xinhongan Microwave Technology Co ltd
Current assignee: Chengdu Xinhongan Microwave Technology Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-01-14
Anticipated expiration: 2031-06-08

Abstract

The utility model relates to the field of equalizers, and adopts the technical scheme that: a microwave equalizer with a self-protection function comprises a heat insulation box and an equalizer body, wherein the equalizer body is placed in the heat insulation box, the bottom of the heat insulation box is provided with a heat radiation plate, a heat insulation plate is arranged in the heat insulation box between the heat radiation plate and the equalizer body, the inner side wall of the heat radiation plate is connected with a plurality of heat conduction columns, and the heat conduction columns penetrate through the heat insulation plate and are contacted with the equalizer body; the heat dissipation plate is provided with an overheating driving member for driving the heat dissipation plate away from the heat insulation plate. The microwave equalizer is arranged in the heat insulation box, and heat generated by the equalizer body is transferred to the heat dissipation plate through the heat conduction column to be dissipated; when the temperature of the external environment is too high, the overheating driving piece drives the heat dissipation plate to move towards the direction far away from the heat insulation plate, at the moment, the heat conduction column is separated from the equalizer body, and the external heat is not easy to be transferred to the equalizer body, so that the equalizer is protected; has the advantages of simple structure and strong practicability.

Description

Microwave equalizer with self-protection function

Technical Field

The utility model relates to the field of equalizers, in particular to a microwave equalizer with a self-protection function.

Background

In a common microwave working frequency band, two devices, namely a traveling wave tube amplifier, a solid-state power amplifier and other high-power amplifiers, are usually required to be in a supersaturation region, a power plunder or a power occupation phenomenon can occur, and an amplitude limiter or an equalizer is usually required to be added to prevent the high-power amplifier from entering the supersaturation region.

The existing equalizer has the following problems in the use process: in a severe environment, the temperature of the external environment where the equalizer is located changes greatly, and when the temperature of the environment is too high, the equalizer is overheated, and the external heat is transferred to the circuit inside the equalizer, so that the service life of the circuit element is reduced.

Disclosure of Invention

The utility model aims to provide a microwave equalizer with a self-protection function.

In order to realize the purpose of the utility model, the technical proposal adopted by the utility model is as follows: a microwave equalizer with a self-protection function comprises a heat insulation box and an equalizer body, wherein the equalizer body is placed in the heat insulation box, the bottom of the heat insulation box is provided with a heat dissipation plate, a heat insulation plate is arranged in the heat insulation box between the heat dissipation plate and the equalizer body, the inner side wall of the heat dissipation plate is connected with a plurality of heat conduction columns, and the heat conduction columns penetrate through the heat insulation plate and are contacted with the equalizer body; the heat dissipation plate is provided with an overheating driving piece for driving the heat dissipation plate to be away from the heat insulation plate.

Preferably, the overheating driving member is a plurality of thermal expansion strips arranged between the heat dissipation plate and the heat insulation plate.

Preferably, be equipped with the breach on the lateral wall of thermal-insulated box, the border of heating panel is worn to establish in the breach, be equipped with the guide bar in the breach, the guide bar is worn to establish on the heating panel, the cover is equipped with reset spring on the guide bar.

Preferably, a plate body is arranged in the heat insulation box between the heat insulation plate and the equalizer body, a groove is formed in one side, close to the equalizer body, of the plate body, the other side of the plate body is connected with a plurality of connecting pipes, the heat conduction columns are inserted into the corresponding connecting pipes, rubber plugs are arranged in the connecting pipes, and a tip portion is arranged at one end of each heat conduction column; and heat-conducting silicone grease is filled in the groove and the connecting pipe.

Preferably, the outer side wall of the heat dissipation plate is connected with a heat dissipation fin.

Preferably, the plate body and the connecting pipe are both made of heat conducting materials, a heat insulation sleeve is sleeved outside the connecting pipe, and the heat insulation sleeve is arranged on the heat insulation plate in a penetrating mode.

Preferably, a buffer rubber is arranged between the equalizer body and the inner wall of the heat insulation box.

Preferably, the heat insulation box comprises a box body and a box cover arranged on the box body, a circle of slot is arranged at the opening end of the box body, a bulge is arranged on the box cover, and the bulge is inserted in the slot in an interference manner.

The beneficial effects of the utility model are concentrated and expressed as follows:

the microwave equalizer is arranged in the heat insulation box and plays a role in heat insulation; the heat generated by the equalizer body is transferred to the heat dissipation plate through the heat conduction column to be dissipated; when the temperature of the external environment is too high, the overheating driving piece drives the heat dissipation plate to move towards the direction far away from the heat insulation plate, at the moment, the heat conduction column is separated from the equalizer body, and the external heat is not easy to be transferred to the equalizer body, so that the equalizer is protected; has the advantages of simple structure and strong practicability.

Drawings

FIG. 1 is a schematic view of an assembled structure of an equalizer body and a heat insulation box according to the present invention;

FIG. 2 is a schematic view of the external structure of the heat insulating box of the present invention;

FIG. 3 is a view of the structure A-A shown in FIG. 2;

FIG. 4 is an enlarged view of portion B of the structure shown in FIG. 3;

illustration of the drawings: 1. a heat insulation box; 2. an equalizer body; 3. a heat dissipation plate; 4. a heat insulating plate; 5. a heat-conducting column; 6. a thermal expansion strip; 7. a notch; 8. a guide bar; 9. a return spring; 10. a plate body; 11. a groove; 12. a connecting pipe; 13. rubber blocking; 14. heat-conducting silicone grease; 15. a heat dissipating fin; 16. a heat insulating sleeve; 17. a cushion rubber; 18. a slot; 19. and (4) protruding.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, a microwave equalizer with self-protection function includes a heat insulation box 1 and an equalizer body 2, in this embodiment, both the heat insulation box 1 and the heat insulation board are made of materials with poor heat conductivity, the heat insulation box 1 includes a box body and a box cover arranged on the box body, a circle of slots 18 is arranged on an open end of the box body, a protrusion 19 is arranged on the box cover, the protrusion 19 is inserted into the slots 18 in an interference manner, so as to facilitate installation of the equalizer body 2 in the heat insulation box 1; the equalizer body 2 is placed in a heat insulation box 1, a heat dissipation plate 3 is arranged at the bottom of the heat insulation box 1, and in order to improve the heat dissipation efficiency, a heat dissipation fin 15 can be connected to the outer side wall of the heat dissipation plate 3; a heat insulation plate is arranged in the heat insulation box 1 between the heat dissipation plate 3 and the

equalizer body

2, 4, a plurality of heat conduction columns 5 are connected to the inner side wall of the heat dissipation plate 3, and the heat conduction columns 5 penetrate through the heat insulation plate and are in contact with the equalizer body 2; the heat dissipation plate 3 is provided with an overheating driving piece for driving the heat dissipation plate 3 to be far away from the heat insulation plate; therefore, when the external temperature and the external environment temperature are too high, the overheating driving piece drives the heat dissipation plate 3 to move towards the direction far away from the heat insulation plate, at the moment, the heat conduction column 5 is separated from the equalizer body 2, the external heat is not easy to be transferred to the equalizer body 2, and the equalizer is protected; at other normal temperatures, the heat conduction column 5 is in contact with the equalizer body 2, and heat generated by the equalizer body 2 is transferred to the heat dissipation plate 3 through the heat conduction column 5 to be dissipated.

Further, the overheating driving part is a plurality of thermal expansion strips 6 arranged between the heat dissipation plate 3 and the heat insulation plate, and when the temperature reaches a certain value, the thermal expansion strips 6 are heated and expanded to extrude the heat dissipation plate 3, so that the heat dissipation plate 3 moves. In order to make heating panel 3 can automatic re-setting, be equipped with breach 7 on the lateral wall of thermal-insulated box 1, wear to establish in breach 7 at the border of heating panel 3, be equipped with guide bar 8 in the breach 7, guide bar 8 wears to establish on heating panel 3, the cover is equipped with reset spring 9 on the guide bar 8.

Further, in order to improve the heat transfer speed between the heat dissipation plate 3 and the equalizer body 2, a plate body 10 is arranged in the heat insulation box 1 between the heat insulation plate and the equalizer body 2, a groove 11 is formed in one side, close to the equalizer body 2, of the plate body 10, a plurality of connecting pipes 12 are connected to the other side of the plate body 10, the heat conduction columns 5 are inserted into the corresponding connecting pipes 12, rubber plugs 13 are arranged in the connecting pipes 12, and tip portions are arranged at one ends of the heat conduction columns 5; the groove 11 and the connecting pipe 12 are both filled with heat-conducting silicone grease 14; at natural normal temperature, the heat conducting column 5 is inserted into the connecting pipe 12, and heat on the equalizer body 2 is quickly transferred to the heat conducting silicone grease 14 and then transferred to the heat conducting column 5 and the heat dissipation plate 3 for heat dissipation; wherein the provision of the rubber stopper 13 prevents the thermally conductive silicone grease 14 from flowing out.

After the heat-conducting column 5 extends out of the connecting pipe 12, the equalizer body 2 still generates a part of heat, so that the plate body 10 and the connecting pipe 12 are both made of heat-conducting materials, the connecting pipe 12 is externally sleeved with a heat-insulating sleeve 16, and the heat-insulating sleeve 16 is arranged on a heat-insulating plate in a penetrating manner; the heat of the equalizer is transferred to the area between the plate body 10 and the heat insulating plate, and the equalizer body 2 is prevented from being thermally stagnated to some extent.

Further, a buffer rubber 17 is arranged between the equalizer body 2 and the inner wall of the heat insulation box 1, so that buffer protection of the equalizer is achieved.

It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.

Claims

1. A microwave equalizer with self-protection function is characterized in that: the heat insulation device comprises a heat insulation box (1) and an equalizer body (2), wherein the equalizer body (2) is placed in the heat insulation box (1), a heat dissipation plate (3) is arranged at the bottom of the heat insulation box (1), a heat insulation plate is arranged in the heat insulation box (1) between the heat dissipation plate (3) and the equalizer body (2), a plurality of heat conduction columns (5) are connected to the inner side wall of the heat dissipation plate (3), and the heat conduction columns (5) penetrate through the heat insulation plate and are in contact with the equalizer body (2); the heat dissipation plate (3) is provided with an overheating driving piece for driving the heat dissipation plate (3) to be away from the heat insulation plate.

2. A microwave equalizer with self-protection function as claimed in claim 1, wherein: the overheating driving piece is a plurality of thermal expansion strips (6) arranged between the heat dissipation plate (3) and the heat insulation plate.

3. A microwave equalizer with self-protection function as claimed in claim 1, wherein: be equipped with breach (7) on the lateral wall of thermal-insulated box (1), the border of heating panel (3) is worn to establish in breach (7), be equipped with guide bar (8) in breach (7), guide bar (8) are worn to establish on heating panel (3), the cover is equipped with reset spring (9) on guide bar (8).

4. A microwave equalizer with self-protection function as claimed in claim 1, wherein: a plate body (10) is arranged in the heat insulation box (1) between the heat insulation plate and the equalizer body (2), a groove (11) is formed in one side, close to the equalizer body (2), of the plate body (10), a plurality of connecting pipes (12) are connected to the other side of the plate body (10), the heat conduction columns (5) are inserted into the corresponding connecting pipes (12), rubber plugs (13) are arranged in the connecting pipes (12), and a tip portion is arranged at one end of each heat conduction column (5); and heat-conducting silicone grease (14) is filled in the groove (11) and the connecting pipe (12).

5. A microwave equalizer with self-protection function according to claim 4, characterized in that: and the outer side wall of the heat dissipation plate (3) is connected with heat dissipation fins (15).

6. A microwave equalizer with self-protection function according to claim 4, characterized in that: the plate body (10) and the connecting pipe (12) are both made of heat conduction materials, a heat insulation sleeve (16) is sleeved outside the connecting pipe (12), and the heat insulation sleeve (16) is arranged on the heat insulation plate in a penetrating mode.

7. A microwave equalizer with self-protection function as claimed in claim 1, wherein: and a buffer rubber (17) is arranged between the equalizer body (2) and the inner wall of the heat insulation box (1).

8. A microwave equalizer with self-protection function as claimed in claim 1, wherein: the heat insulation box (1) comprises a box body and a box cover arranged on the box body, wherein a circle of slot (18) is formed in the opening end of the box body, a bulge (19) is formed in the box cover, and the bulge (19) is inserted into the slot (18) in an interference mode.