CN220040522U

CN220040522U - LDMOS transistor detection device

Info

Publication number: CN220040522U
Application number: CN202321281042.8U
Authority: CN
Inventors: 张士雨; 陆庆文
Original assignee: Dongkexin Microelectronics Nanjing Co ltd
Current assignee: Dongkexin Microelectronics Nanjing Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-11-17
Anticipated expiration: 2033-05-24

Abstract

The utility model provides an LDMOS transistor detection device which comprises a detection box, wherein a detection device body is arranged at the top of an inner cavity of the detection box, a lifting plate is movably connected to the inner cavity of the detection box, a cylinder is fixedly connected to the bottom of the inner cavity of the detection box, an output end of the cylinder is fixedly connected with the bottom of the lifting plate, and fixing plates are fixedly connected to two sides of the top of the lifting plate; according to the utility model, the clamping blocks are arranged for clamping and fixing the transistor, the auxiliary plate, the springs and the fixing ropes are arranged for pulling the movable plate, so that the fixed plate and the movable plate can be separated, the transistor can be placed in the mounting hole, the movable plate can be reset by the reset elastic force of the springs, the two clamping blocks can be close to each other, the transistor is clamped and fixed, and the two fixing ropes can be pulled synchronously, so that the transistor can be quickly mounted and dismounted, and the mounting efficiency and the detection efficiency of the transistor are improved.

Description

LDMOS transistor detection device

Technical Field

The utility model belongs to the field of transistor detection, and particularly relates to an LDMOS transistor detection device.

Background

The LDMOS is used in a high-voltage power integrated circuit to meet the requirements of high voltage resistance, power control and the like, is commonly used in a radio-frequency power circuit, the transistor generally refers to all single elements based on semiconductor materials, has multiple functions of detection, rectification, amplification, switching, voltage stabilization, signal modulation and the like, can be used for various digital and analog functions, and has multiple purposes corresponding to higher breakdown voltage;

according to 202121079969.4, an LDMOS transistor performance detection device is disclosed, including detecting case and transistor body, the top fixedly connected with detector of detecting case inner chamber, the equal swing joint in both sides of detecting case inner chamber has the backup pad, the equal fixedly connected with cylinder in both sides of backup pad bottom, the bottom and the inner wall fixed connection of detecting the case of cylinder, the equal fixedly connected with connecting plate in both sides at backup pad top, this contrast case is through placing the transistor body in the inner chamber of standing groove, through rotating the carousel, the carousel drives the upper end threaded rod and rotates, the upper end threaded rod drives upper end belt pulley and rotates, the upper end belt pulley drives the lower end belt pulley and rotates through the drive belt and rotate, the lower end belt pulley drives the lower end threaded rod and rotate to one side through moving in backup pad inner chamber, the threaded rod drives anchor clamps to one side until anchor clamps and transistor body's surface contact, thereby fix the transistor body, but when installing the transistor, need four carousel of gradual rotation just can fix the transistor, this process needs certain time, make the installation effectiveness to consume the transistor, and then lead to the detection efficiency to the decline to the transistor.

In summary, the present utility model provides an LDMOS transistor detecting device to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an LDMOS transistor detection device, which is used for solving the problems that in the comparison case, when a transistor is installed, four turntables are required to be gradually rotated to fix the transistor, and a certain time is required to be consumed in the process, so that the installation efficiency of the transistor is reduced, and the detection efficiency of the transistor is reduced.

The utility model provides an LDMOS transistor detection device, includes the detection case, the top of detection case inner chamber is provided with the detection device body, the inner chamber swing joint of detection case has the lifter plate, the bottom fixedly connected with cylinder of detection case inner chamber, the output of cylinder and the bottom fixedly connected with lifter plate, the equal fixedly connected with fixed plate in both sides at lifter plate top, the both sides at lifter plate top just are located two the equal swing joint of one side that the fixed plate kept away from mutually has the fly leaf, the upper end and the equal fixedly connected with grip block of lower extreme that fixed plate and fly leaf are close to one side mutually, the both sides at lifter plate top just are located two the equal fixedly connected with accessory plate of one side that the fly leaf kept away from mutually, fixedly connected with spring between the fly leaf just and the accessory plate, two the equal fixedly connected with fixed rope in inner chamber that one side and the side that the fly leaf kept away from mutually is located the spring.

Preferably, the front end swing joint at lifter plate top has the movable column, the fixed surface of movable column is connected with the tight pulley, the one end and the tight pulley fixed connection of fly leaf are kept away from to the fixed rope, the top fixedly connected with pulling piece of movable column.

Preferably, a first sliding groove is formed in the front end of the top of the lifting plate, the bottom of the movable column extends to the inner cavity of the first sliding groove and is provided with a first pulley, and the first pulley is slidably connected with the inner cavity of the first sliding groove.

Preferably, both sides of activity post surface lower extreme all fixedly connected with stopper, one side of stopper extends to the inner chamber of first spout to with the inner chamber sliding connection of first spout.

Preferably, the bottom fixedly connected with backing sheet of fly leaf, the second spout has all been seted up to the both sides at lifter plate top, the both sides of backing sheet bottom all are provided with the second pulley, the bottom of second pulley extends to the inner chamber of second spout to with the inner chamber sliding connection of second spout.

Preferably, one side fixedly connected with spacing frame of accessory plate, one side fixedly connected with spacing of fly leaf, the top of spacing extends to the inner chamber of spacing frame to with the inner chamber sliding connection of spacing frame.

Preferably, a guide wheel is arranged on one side of the auxiliary plate, and the surface of the fixing rope is contacted with the guide wheel and is in sliding connection with the surface of the guide wheel.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model is used for fixing and protecting the internal elements and improving the safety and stability of each element in use by arranging the detection box, detecting the LDMOS transistor by arranging the detection device body, supporting the element at the top by arranging the lifting plate and the air cylinder, and adjusting the height of the lifting plate by the air cylinder.

2. According to the utility model, the fixing plate and the movable plate are arranged for fixing the clamping blocks, the clamping blocks are arranged for clamping and fixing the LDMOS transistor, and the auxiliary plate, the spring and the fixing rope are arranged for pulling the movable plate, so that the fixing plate and the movable plate can be separated, the LDMOS transistor can be placed in the mounting hole, the movable plate can be reset by the reset elastic force of the spring, the two clamping blocks can be close to each other, the LDMOS transistor can be clamped and fixed, and the two fixing ropes can be synchronously pulled, so that the LDMOS transistor can be rapidly mounted and dismounted, the time waste in the early mounting and dismounting processes is reduced, and the mounting efficiency and the detection efficiency of the LDMOS transistor are improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a sectional front view of the inspection box of the present utility model;

FIG. 3 is a schematic view of a cross-sectional front view of a lifter plate according to the present utility model;

FIG. 4 is a schematic view showing a structure of the fixing plate, the movable plate and the auxiliary plate in a separated state according to the present utility model;

fig. 5 is an enlarged view of a partial structure of a in fig. 2 according to the present utility model.

In the figure:

1. a detection box; 2. a detection device body; 3. a lifting plate; 4. a cylinder; 5. a fixing plate; 6. a movable plate; 7. a clamping block; 8. an auxiliary plate; 9. a spring; 10. a fixing rope; 11. a movable column; 12. a fixed wheel; 13. pulling the block; 14. a first chute; 15. a first pulley; 16. a limiting block; 17. a support sheet; 18. a second chute; 19. a second pulley; 20. a limit frame; 21. a limiting frame; 22. and a guide wheel.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-5, the utility model provides an LDMOS transistor detection device, which comprises a detection box 1, wherein the top of the inner cavity of the detection box 1 is provided with a detection device body 2, the inner cavity of the detection box 1 is movably connected with a lifting plate 3, the bottom of the inner cavity of the detection box 1 is fixedly connected with a cylinder 4, the output end of the cylinder 4 is fixedly connected with the bottom of the lifting plate 3, both sides of the top of the lifting plate 3 are fixedly connected with a fixed plate 5, both sides of the top of the lifting plate 3 are respectively and movably connected with a movable plate 6, both the upper end and the lower end of one side, close to the fixed plate 5 and the movable plate 6, of the lifting plate 3 are respectively and fixedly connected with an auxiliary plate 8, both sides of the top of the lifting plate 3 and one side, far from the two movable plates 6, of the auxiliary plate 8 are respectively and the inner cavity, which is respectively and fixedly connected with a fixed rope 10.

As one implementation mode of the utility model, the front end of the top of the lifting plate 3 is movably connected with a movable column 11, the surface of the movable column 11 is fixedly connected with a fixed wheel 12, one end of a fixed rope 10 far away from the movable plate 6 is fixedly connected with the fixed wheel 12, the top of the movable column 11 is fixedly connected with a pulling block 13, the fixed wheel 12 is fixed by arranging the movable column 11, and the fixed wheel 12 and the pulling block 13 are arranged to play a role of conveniently pulling two fixed ropes 10 to synchronously move.

As shown in fig. 5, as an embodiment of the present utility model, a first chute 14 is formed at the front end of the top of the lifting plate 3, the bottom of the movable column 11 extends to the inner cavity of the first chute 14, and a first pulley 15 is provided, and the first pulley 15 is slidably connected with the inner cavity of the first chute 14, and is used for limiting the movable column 11 by providing the first chute 14 and the first pulley 15.

As an implementation mode of the utility model, two sides of the lower end of the surface of the movable column 11 are fixedly connected with limiting blocks 16, one side of each limiting block 16 extends to the inner cavity of the first chute 14 and is in sliding connection with the inner cavity of the first chute 14, and the limiting blocks 16 are arranged for further limiting the movable column 11.

As an implementation mode of the utility model, the bottom of the movable plate 6 is fixedly connected with the supporting plate 17, the two sides of the top of the lifting plate 3 are provided with the second sliding grooves 18, the two sides of the bottom of the supporting plate 17 are provided with the second pulleys 19, the bottom of the second pulleys 19 extends to the inner cavity of the second sliding grooves 18 and is in sliding connection with the inner cavity of the second sliding grooves 18, and the function of supporting the movable plate 6 is achieved by arranging the supporting plate 17, the second sliding grooves 18 and the second pulleys 19.

As an embodiment of the present utility model, a limiting frame 20 is fixedly connected to one side of the auxiliary plate 8, a limiting frame 21 is fixedly connected to one side of the movable plate 6, and the top of the limiting frame 21 extends to the inner cavity of the limiting frame 20 and is slidably connected to the inner cavity of the limiting frame 20, so that the function of limiting the movable plate 6 is achieved by arranging the limiting frame 20 and the limiting frame 21.

As an embodiment of the present utility model, a guide wheel 22 is provided at one side of the auxiliary plate 8, and the surface of the fixing rope 10 is in contact with the guide wheel 22 and slidably connected to the surface of the guide wheel 22, and the guide wheel 22 is provided to support and guide the fixing rope 10.

The specific working principle is as follows:

when the LDMOS transistor needs to be installed, the pulling block 13 is pulled forward, the pulling block 13 drives the fixed wheel 12 to pull the fixed rope 10, the fixed rope 10 drives the movable plate 6 to move to one side far away from the fixed plate 5, the spring 9 is extruded and deformed when the movable plate 6 moves, the LDMOS transistor is placed in the mounting hole at the top of the lifting plate 3 after moving to a certain position, then the pulling block 13 is loosened, the pulling force born by the fixed rope 10 disappears, the pressure born by the spring 9 also disappears, the reset elastic force of the spring 9 drives the movable plate 6 to reset, so that the clamping block 7 clamps and fixes the LDMOS transistor, the installation operation of the LDMOS transistor is completed, when the LDMOS transistor needs to be disassembled after detection, the operation can be reversed, the problem that in a comparison case, when the LDMOS transistor is installed, the transistor needs to be fixed by gradually rotating four turntables, a certain time is consumed in the process, the installation efficiency of the transistor is reduced, and the detection efficiency of the transistor is reduced is further caused.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. An LDMOS transistor detection device, comprising a detection box (1), characterized in that: the top of the inner cavity of the detection box (1) is provided with a detection device body (2), the inner cavity of the detection box (1) is movably connected with a lifting plate (3), the bottom of the inner cavity of the detection box (1) is fixedly connected with a cylinder (4), the output end of the cylinder (4) is fixedly connected with the bottom of the lifting plate (3), the two sides of the top of the lifting plate (3) are fixedly connected with a fixed plate (5), the two sides of the top of the lifting plate (3) are respectively and movably connected with a movable plate (6) on one side of the two sides of the fixed plate (5) away from each other, the fixed plate (5) and the movable plate (6) are close to the upper end and the lower extreme of one side and all fixedly connected with grip block (7), the both sides at lifter plate (3) top just are located two the equal fixedly connected with accessory plate (8) of one side that movable plate (6) kept away from mutually, fixedly connected with spring (9) just between accessory plate (8) of movable plate (6), two the one side that movable plate (6) kept away from mutually just is located the equal fixedly connected with fixed rope (10) of inner chamber of spring (9).

2. The LDMOS transistor detection apparatus of claim 1, wherein: the front end swing joint at lifter plate (3) top has movable post (11), the fixed surface of movable post (11) is connected with tight pulley (12), the one end and the tight pulley (12) fixed connection that movable plate (6) were kept away from to fixed rope (10), the top fixedly connected with pulling piece (13) of movable post (11).

3. The LDMOS transistor detection apparatus of claim 2, wherein: the front end at the top of the lifting plate (3) is provided with a first sliding groove (14), the bottom of the movable column (11) extends to the inner cavity of the first sliding groove (14), a first pulley (15) is arranged, and the first pulley (15) is in sliding connection with the inner cavity of the first sliding groove (14).

4. The LDMOS transistor detection apparatus of claim 3, wherein: both sides of movable column (11) surface lower extreme all fixedly connected with stopper (16), one side of stopper (16) extends to the inner chamber of first spout (14) to with the inner chamber sliding connection of first spout (14).

5. The LDMOS transistor detection apparatus of claim 1, wherein: the bottom fixedly connected with backing sheet (17) of fly leaf (6), second spout (18) have all been seted up to the both sides at lifter plate (3) top, the both sides of backing sheet (17) bottom all are provided with second pulley (19), the bottom of second pulley (19) extends to the inner chamber of second spout (18) to with the inner chamber sliding connection of second spout (18).

6. The LDMOS transistor detection apparatus of claim 1, wherein: one side fixedly connected with limit frame (20) of accessory board (8), one side fixedly connected with limit frame (21) of fly leaf (6), the top of limit frame (21) extends to the inner chamber of limit frame (20) to with the inner chamber sliding connection of limit frame (20).

7. The LDMOS transistor detection apparatus of claim 1, wherein: one side of the auxiliary plate (8) is provided with a guide wheel (22), and the surface of the fixed rope (10) is contacted with the guide wheel (22) and is in sliding connection with the surface of the guide wheel (22).