CN215500223U

CN215500223U - Over-temperature protection device of solid-state microwave source

Info

Publication number: CN215500223U
Application number: CN202121688408.4U
Authority: CN
Inventors: 晁阳
Original assignee: Shanghai Tronos Technology Development Co ltd
Current assignee: Shanghai Tronos Technology Development Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-01-11
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses an over-temperature protection device of a solid microwave source, which relates to the technical field of solid microwave sources and comprises a solid microwave source body, wherein a protective shell is arranged above the solid microwave source body, and fixing screws arranged at equal intervals are arranged between the solid microwave source body and the protective shell. The utility model has reasonable design structure, and can drive the bidirectional screw rod to rotate by the rotation of the motor through the matching design of the solid-state microwave source body, the protective shell, the fixed screw rod, the heat dissipation mechanism, the sliding mechanism and the rotating mechanism, the bidirectional screw rod drives the two movable blocks to move in opposite directions by the rotation of the bidirectional screw rod, the two movable blocks drive the two sliding top plates to move in opposite directions, the top end and the two ends of the protective shell are opened, the fan is controlled to be opened, the air circulation between the solid-state microwave source body and the protective shell is greatly enhanced by the opening of the fan, the heat is rapidly taken out, the heat dissipation effect is greatly enhanced, and the service life of the solid-state microwave source can be prolonged.

Description

Over-temperature protection device of solid-state microwave source

Technical Field

The utility model relates to the technical field of solid microwave sources, in particular to an over-temperature protection device of a solid microwave source.

Background

The overheating protection needs to monitor the temperature of the power device, and the power supply can be cut off in time when the temperature rise of the power device exceeds a safety critical value. In a microwave oven apparatus, one of the main power devices is an insulated gate transistor that drives a magnetron to operate. The general temperature detection mode is that a temperature measuring element is welded at the position of an emitter of an insulated gate transistor on a printed circuit board, and when the temperature of the PN junction is overhigh, heat can be led into the printed circuit board through a pin and is timely sensed by the temperature measuring element.

In patent No. CN207040047U, a solid-state microwave source module structure is disclosed, in which a cavity in a housing is provided as an upper cavity and a lower cavity by an intermediate partition plate; a first vertical partition plate with an opening at the tail end is arranged in the upper cavity to divide the upper cavity into two chambers; a second vertical partition plate with an opening in the middle is arranged in the lower cavity to divide the lower cavity into two cavities; a plurality of insulator mounting holes are arranged on the middle partition plate in a penetrating manner; the front end of the shell is provided with a first insulating insulator and a feed-through filter; the front end of the shell is provided with a grounding column, and the tail end of the grounding column is arranged in the middle partition plate; a base is arranged at the rear end of the shell, a groove is formed in the center of the base, and a second insulator is arranged in the groove; four corners of the base are respectively provided with a fixing hole; an upper cover plate is brazed on the upper cavity, and a lower cover plate is brazed on the lower cavity. The utility model has the characteristics of compact structure, small volume, high reliability and scientific and reasonable design.

However, the solid-state microwave source module structure in the above patent does not have an overheat protection function, and when the temperature is too high, rapid heat dissipation cannot be performed, so that the solid-state microwave source is damaged, and the service life of the solid-state microwave source is greatly reduced; therefore, the over-temperature protection device of the solid-state microwave source solves the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to make up the defects of the prior art and provides an over-temperature protection device of a solid-state microwave source.

In order to achieve the purpose, the utility model provides the following technical scheme: the over-temperature protection device of the solid-state microwave source comprises a solid-state microwave source body, wherein a protection shell is arranged above the solid-state microwave source body, fixing screws which are arranged at equal intervals are arranged between the solid-state microwave source body and the protection shell, each fixing screw penetrates through the solid-state microwave source body and the protection shell and is in threaded connection with the solid-state microwave source body and the protection shell, and a heat dissipation mechanism, a sliding mechanism and a rotating mechanism are arranged on the protection shell.

Further, heat dissipation mechanism is in including fixing the heat dissipation fixed plate at the protecting sheathing inner wall and inlaying two symmetrical heat dissipation otter boards on the heat dissipation fixed plate, install the heat dissipation dust screen on the heat dissipation fixed plate, install the fan on the heat dissipation dust screen.

Furthermore, the sliding mechanism comprises two sliding top plates sliding on the protective shell and baffle plates fixed on the sliding top plates, and each baffle plate is inlaid with a ventilation net.

Furthermore, rotary mechanism is including seting up spacing spout and the spacing logical groove on protecting sheathing, the protecting sheathing is run through to spacing spout, be fixed with stationary blade and two symmetrical movable blocks on the protecting sheathing.

Furthermore, the two moving blocks penetrate through the limiting sliding groove and slide inside the limiting sliding groove, and the two moving blocks are fixed with the two sliding top plates respectively.

Furthermore, a bidirectional screw rod is rotated on the fixed plate, penetrates through the two moving blocks and is in threaded connection with the moving blocks.

Furthermore, a motor is fixed on the protective shell, and an output rotating shaft of the motor is fixed with one end, far away from the fixing piece, of the bidirectional screw rod.

Compared with the prior art, the over-temperature protection device of the solid microwave source has the following beneficial effects:

the over-temperature protection device of the solid microwave source is designed by matching the solid microwave source body, the protection shell, the fixed screw, the heat dissipation mechanism, the sliding mechanism and the rotating mechanism, when the temperature of the solid microwave source body is too high, a signal is transmitted to the internal control device by the temperature sensor in the solid microwave source body, the internal control device controls the motor to be started, the motor is started to rotate to drive the bidirectional screw to rotate, the bidirectional screw rotates to drive the two moving blocks to move in the opposite direction, the two moving blocks drive the two sliding top plates to move in the opposite direction, the top end and the two ends of the protection shell are opened, the fan is controlled to be started, the fan is started to greatly enhance the air circulation between the solid microwave source body and the protection shell, heat is rapidly taken out, the heat dissipation effect is greatly enhanced, and the service life of the solid microwave source can be prolonged.

Drawings

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

FIG. 2 is a perspective view of a top view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure at C of FIG. 1 according to the present invention.

In the figure: 1. a solid state microwave source body; 2. a protective housing; 3. fixing the screw rod; 4. a heat dissipation mechanism; 41. a heat dissipation fixing plate; 42. a heat dissipation screen plate; 43. a heat dissipation dustproof net; 44. a fan; 5. a sliding mechanism; 51. a sliding top plate; 52. a baffle plate; 53. a breathable net; 6. a rotation mechanism; 61. a limiting chute; 62. a limiting through groove; 63. a moving block; 64. a fixing sheet; 65. a bidirectional screw; 66. an electric motor.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

The embodiment provides an over-temperature protection device of a solid-state microwave source, which can enhance the air circulation between a solid-state microwave source body 1 and a protection shell 2, quickly dissipate heat of the solid-state microwave source body 1, prevent the solid-state microwave source from being damaged due to over-high temperature of the solid-state microwave source body 1, and prolong the service life of the solid-state microwave source.

Referring to fig. 1-5, an over-temperature protection device for a solid-state microwave source comprises a solid-state microwave source body 1, and a protection shell 2 is arranged above the solid-state microwave source body 1.

The protective casing 2 can protect the solid-state microwave source body 1.

And fixing screws 3 which are arranged equidistantly are arranged between the solid-state microwave source body 1 and the protective shell 2, and each fixing screw 3 penetrates through the solid-state microwave source body 1 and the protective shell 2 and is in threaded connection with the solid-state microwave source body 1 and the protective shell 2.

Through fixing screw 3's setting, it is convenient to fix solid-state microwave source body 1 and protecting sheathing 2 through fixing screw 3.

The protective shell 2 is provided with a heat dissipation mechanism 4, a sliding mechanism 5 and a rotating mechanism 6.

The heat dissipation mechanism 4 includes a heat dissipation fixing plate 41 fixed on the inner wall of the protection housing 2 and two symmetrical heat dissipation mesh plates 42 embedded on the heat dissipation fixing plate 41.

The heat-dissipating mesh plate 42 can play a role of preventing dust and impurities.

A heat dissipation dust-proof net 43 is mounted on the heat dissipation fixing plate 41, and a fan 44 is mounted on the heat dissipation dust-proof net 43.

Through the setting of fan 44, can strengthen the circulation of air between solid-state microwave source body 1 and the protecting sheathing 2, take the heat out fast, and then can realize rapid cooling to solid-state microwave source body 1.

The slide mechanism 5 includes two slide top plates 51 that slide on the protective case 2 and a shutter 52 that is fixed to the slide top plates 51.

The baffle 52 can be breathable.

Each baffle 52 is embedded with a ventilation net 53, and the ventilation net 53 can enhance the air circulation between the solid microwave source body 1 and the protective shell 2 when the temperature is normal.

The rotating mechanism 6 comprises a limiting sliding groove 61 and a limiting through groove 62 which are arranged on the protective shell 2, and the limiting sliding groove 61 penetrates through the protective shell 2.

The protective housing 2 is fixed with a fixed piece 64 and two symmetrical moving blocks 63, and both the two moving blocks 63 penetrate through the limiting sliding groove 61 and slide inside the limiting sliding groove 61.

The two moving blocks 63 are fixed to the two slide top plates 51, respectively.

When the moving block 63 slides inside the stopper slide groove 61, the slide top plate 51 can be moved.

The fixing piece 64 is provided with a bidirectional screw 65 in a rotating manner, and the bidirectional screw 65 penetrates through the two moving blocks 63 and is in threaded connection with the moving blocks 63.

When the bidirectional screw 65 rotates, the two moving blocks 63 can be driven to synchronously and reversely move, and then the two sliding top plates 51 can be driven to synchronously and reversely move.

The motor 66 is fixed on the protective shell 2, and the model number of the motor 66 is Y90S-2.

The output rotating shaft of the motor 66 is fixed with one end of the bidirectional screw rod 65 far away from the fixing plate 64.

The motor 66 is started, the motor 66 rotates to drive the bidirectional screw 65 to rotate, and the bidirectional screw 65 rotates to drive the two moving blocks 63 to synchronously and reversely move.

Thereby enabling the two sliding top plates 51 to synchronously move in opposite directions.

The working principle is as follows: during the use, when the temperature of solid-state microwave source body 1 is too high, the inside temperature-sensing ware of solid-state microwave source body 1 is with signal transmission to internal control device, internal control device at first controls motor 66 to open, motor 66 opens the rotation and drives two-way screw rod 65 rotatory, two-way screw rod 65 is rotatory to drive two movable blocks 63 and move to the opposite direction, and then drive sliding top plate 51 and move to the opposite direction, open the top and both ends of protecting sheathing 2, then, control fan 44 opens, fan 44 opens the circulation of air between the reinforcing solid-state microwave source body 1 and protecting sheathing 2 greatly, take out the heat fast, strengthened the radiating effect greatly, and can strengthen the life of solid-state microwave source.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an excess temperature protection device of solid-state microwave source, includes solid-state microwave source body (1), its characterized in that: the microwave source is characterized in that a protective shell (2) is arranged above the solid microwave source body (1), fixing screws (3) which are arranged equidistantly are arranged between the solid microwave source body (1) and the protective shell (2), each fixing screw (3) penetrates through the solid microwave source body (1) and the protective shell (2) and is in threaded connection with the solid microwave source body (1) and the protective shell (2), and a heat dissipation mechanism (4), a sliding mechanism (5) and a rotating mechanism (6) are arranged on the protective shell (2).

2. The over-temperature protection device for the solid-state microwave source according to claim 1, wherein: heat dissipation mechanism (4) are in including fixing heat dissipation fixed plate (41) at protecting sheathing (2) inner wall and inlaying two symmetrical heat dissipation otter board (42) on heat dissipation fixed plate (41), install heat dissipation dust screen (43) on heat dissipation fixed plate (41), install fan (44) on heat dissipation dust screen (43).

3. The over-temperature protection device for the solid-state microwave source according to claim 1, wherein: the sliding mechanism (5) comprises two sliding top plates (51) sliding on the protective shell (2) and baffle plates (52) fixed on the sliding top plates (51), and each baffle plate (52) is inlaid with a ventilation net (53).

4. The over-temperature protection device for the solid-state microwave source according to claim 3, wherein: the rotating mechanism (6) comprises a limiting sliding groove (61) and a limiting through groove (62) which are formed in the protective shell (2), the limiting sliding groove (61) penetrates through the protective shell (2), and a fixing piece (64) and two symmetrical moving blocks (63) are fixed on the protective shell (2).

5. The over-temperature protection device for the solid-state microwave source according to claim 4, wherein: the two moving blocks (63) penetrate through the limiting sliding groove (61) and slide in the limiting sliding groove (61), and the two moving blocks (63) are respectively fixed with the two sliding top plates (51).

6. The over-temperature protection device for the solid-state microwave source according to claim 4, wherein: the fixed piece (64) is provided with a bidirectional screw (65) in a rotating mode, and the bidirectional screw (65) penetrates through the two moving blocks (63) and is in threaded connection with the moving blocks (63).

7. The over-temperature protection device for the solid-state microwave source according to claim 6, wherein: a motor (66) is fixed on the protective shell (2), and an output rotating shaft of the motor (66) is fixed with one end, far away from the fixing plate (64), of the bidirectional screw rod (65).