CN219350828U

CN219350828U - Electric connection device for IGBT single tube

Info

Publication number: CN219350828U
Application number: CN202320268614.2U
Authority: CN
Inventors: 薛亮; 董腾月; 葛莹
Original assignee: Qingdao Kexin Semiconductor Co ltd
Current assignee: Qingdao Kexin Semiconductor Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-07-14
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses an electric connection device for an IGBT (insulated Gate Bipolar transistor) single tube, which belongs to the technical field of connection devices and comprises a single tube main body and a plug connector, wherein three pins are arranged on one side, close to the plug connector, of the single tube main body, the pins are positioned in connection holes formed in one side of the plug connector, movable connection devices which are overlapped with the pins are connected to the upper side and the lower side in the connection holes, and two placement holes are formed in one side of the plug connector. This electric connecting device that IGBT list was used, through setting up horizontal pole, first piston frame, first piston board, movable electrode board, second piston frame and contact plate, can extrude contact plate and second piston board and remove after the horizontal pole inserts the hole of placing, in the gas transfer to first piston frame in the second piston frame this moment, first piston board drives movable electrode piece centre gripping outside the pin, realizes the abundant stable centre gripping to the pin, guarantees electric connection's stability, convenient follow-up harmless dismouting change smoothly when the mode of centre gripping connection guarantees stability.

Description

Electric connection device for IGBT single tube

Technical Field

The utility model belongs to the technical field of connecting devices, and particularly relates to an electric connecting device for an IGBT single tube.

Background

The IGBT single tube electric connection part adopts welded mode, and the welding can appear inside rosin joint or the condition that appears the crack after long-time use, leads to the electric connection effect not ideal enough, when the IGBT single tube breaks down and needs to be changed or overhaul, the dismantlement mode that direct violent was pulled leads to its dismantlement process inconvenient enough, even causes the damage to other parts easily, consequently needs an electric connection device that the IGBT single tube was used to solve above-mentioned problem.

Disclosure of Invention

In order to overcome the defects, the utility model provides the electric connection device for the IGBT single tube, which solves the problems that the welding effect is poor easily caused by the welding mode of the IGBT single tube, the subsequent disassembly and replacement operations are complicated, and other parts are easy to damage.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric connecting device for IGBT list is used, includes single tube main part and bayonet joint, one side that the single tube main part is close to the bayonet joint is equipped with three pin, the pin is located the connecting hole that bayonet joint one side was seted up, upside and downside all are connected with the removal connecting device with pin overlap joint in the connecting hole, two holes of placing have been seted up to one side of bayonet joint, place the downthehole removal stop device that is equipped with to connect outside the single tube main part that slides, be equipped with the piston extrusion device who is connected with removal stop device in the hole of placing, piston extrusion device passes through trachea and removes connecting device intercommunication, bayonet joint upside and downside all are equipped with the ejector pad.

As a further aspect of the utility model: the movable connecting device comprises a first piston frame, the first piston frame is connected in the connecting hole, a first piston plate is arranged in the first piston frame in a sliding mode, a first piston rod is connected outside the first piston plate, and the first piston rod penetrates through and is arranged outside the first piston frame in a sliding mode.

As a further aspect of the utility model: the other end of the first piston rod is connected with the movable electrode plate, one side, far away from the first piston rod, of the first piston plate is connected with a first elastic component, and the first elastic component is connected in the first piston frame.

As a further aspect of the utility model: the movable limiting device comprises a cross rod, one end of the cross rod is connected with the single tube main body, the cross rod is slidably connected in the placement hole, two spring assemblies are arranged in the cross rod, the other end of each spring assembly is connected with the movable limiting block, the movable limiting block is slidably arranged in the cross rod and the placement hole, the other end of the cross rod is connected outside the piston extrusion device, and the surface at the top of the movable limiting block is inclined.

As a further aspect of the utility model: the piston extrusion device comprises a second piston frame, the second piston frame is connected in the placement hole, a second piston plate is arranged in the second piston frame in a sliding mode, one side of the second piston plate is connected with a second piston rod, and the second piston rod penetrates through and is arranged on one side of the second piston frame in a sliding mode.

As a further aspect of the utility model: the other end of the second piston rod is connected with a contact plate, the contact plate is connected with the cross rod, a second elastic component connected with a second piston frame and a second piston plate is sleeved outside the second piston rod, and the second piston frame is communicated with the first piston frame.

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

1. this electric connecting device that IGBT list was used, through setting up horizontal pole, first piston frame, first piston board, movable electrode board, second piston frame and contact plate, can extrude contact plate and second piston board and remove after the horizontal pole inserts the hole of placing, in the gas transfer to first piston frame in the second piston frame this moment, first piston board drives movable electrode piece centre gripping outside the pin, realizes the abundant stable centre gripping to the pin, guarantees electric connection's stability, convenient follow-up harmless dismouting change smoothly when the mode of centre gripping connection guarantees stability.

2. This electric connection device that IGBT list was used, through setting up the bayonet joint, remove stopper, spring assembly and place the hole, the horizontal pole gets into and places in the hole after, place the inclined plane position that hole extrusion removed the stopper and make and remove the stopper accomodate the horizontal pole, after the horizontal pole extrusion contact plate removed extreme position, remove the stopper and upwards stretch into at this moment and place downthehole, it is spacing to the horizontal pole this moment, avoid appearing horizontal direction's rocking at will between bayonet joint and the single tube main part, but adopt external thimble extrusion removal stopper downwardly moving to in the horizontal pole, conveniently realize the separation between horizontal pole and the bayonet joint.

3. According to the electric connection device for the IGBT single tube, the pins are arranged, grooves are formed in positions, corresponding to the movable electrode plates, outside the pins, of the movable electrode plates, the movable electrode plates are conveniently moved into the grooves to be fully contacted with the pins, and the electric connection effect is fully guaranteed.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present utility model.

Fig. 2 is a schematic cross-sectional view of a three-dimensional structure of a connecting hole according to the present utility model.

Fig. 3 is a schematic cross-sectional view of a three-dimensional structure of a placement hole according to the present utility model.

Fig. 4 is a schematic view showing the three-dimensional structure of the single tube body of the present utility model.

Fig. 5 is an enlarged schematic view of the portion a of fig. 3 according to the present utility model.

Fig. 6 is a schematic view of a three-dimensional cross-sectional structure of the mobile connection device of the present utility model.

Fig. 7 is a schematic view showing a three-dimensional cross-sectional structure of the piston press apparatus of the present utility model.

In the figure: 1. a single tube body; 2. a plug; 3. pins; 4. a connection hole; 5. a mobile connection device; 51. a first piston frame; 52. a first piston plate; 53. a first piston rod; 54. moving the electrode plate; 55. a first elastic component; 6. placing the hole; 7. a movement limiting device; 71. a cross bar; 72. a spring assembly; 73. moving a limiting block; 8. a piston extrusion device; 81. a second piston frame; 82. a second piston plate; 83. a second piston rod; 84. a contact plate; 85. a second elastic component; 9. and pushing the block.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-7, the present utility model provides a technical solution: the utility model provides an electric connecting device that IGBT list was used, includes single tube main part 1 and bayonet joint 2, and single tube main part 1 is close to one side of bayonet joint 2 and is equipped with three pin 3, and pin 3 is located the connecting hole 4 that the bayonet joint 2 one side was seted up, and upside and downside all are connected with the removal connecting device 5 of pin 3 overlap joint in the connecting hole 4, through setting up pin 3, and pin 3 is used for realizing the connection between single tube main part 1 and the bayonet joint 2, through setting up connecting hole 4, and connecting hole 4 makes things convenient for pin 3 to insert smoothly.

Two placing holes 6 are formed in one side of the plug connector 2, a moving limiting device 7 connected outside the single tube main body 1 is arranged in the placing holes 6 in a sliding mode, a piston extrusion device 8 connected with the moving limiting device 7 is arranged in the placing holes 6, the piston extrusion device 8 is communicated with the moving connecting device 5 through an air tube, pushing blocks 9 are arranged on the upper side and the lower side of the plug connector 2, and the placing holes 6 are used for placing the moving limiting device 7 and limiting the moving limiting device to a certain extent through the placing holes 6.

The movable connection device 5 comprises a first piston frame 51, the first piston frame 51 is connected in the connection hole 4, a first piston plate 52 is slidably arranged in the first piston frame 51, a first piston rod 53 is connected to the outside of the first piston plate 52, and the first piston rod 53 penetrates through and is slidably arranged outside the first piston frame 51.

The other end of the first piston rod 53 is connected with a movable electrode plate 54, one side, far away from the first piston rod 53, of the first piston plate 52 is connected with a first elastic component 55, the first elastic component 55 is connected in the first piston frame 51, the first piston plate 52 and the first piston rod 53 are controlled to move when the air pressure in the first piston frame 51 is increased, the movement of the first piston rod 53 is achieved, the movable electrode plate 54 is electrically connected with the plug connector 2, when the movable electrode plate 54 is in contact with the pin 3, the electric connection of the single-tube main body 1 is achieved, the first elastic component 55 drives the movable electrode plate 54 to be separated from the pin 3 through the arrangement of the first elastic component 55 when the air pressure in the first piston frame 51 is reduced, and the subsequent single-tube main body 1 is convenient to split.

The movable limiting device 7 comprises a cross rod 71, one end of the cross rod 71 is connected with the single-tube main body 1, the cross rod 71 is slidably connected in the placement hole 6, two spring assemblies 72 are arranged in the cross rod 71, the other end of each spring assembly 72 is connected with a movable limiting block 73, the movable limiting blocks 73 are slidably arranged in the cross rod 71 and the placement hole 6, the other end of the cross rod 71 is connected outside the piston extrusion device 8, the surface at the top of each movable limiting block 73 is inclined, the movable limiting blocks 73 are extruded into the cross rod 71 in the process of entering the placement hole 6 through the cross rod 71 and the movable limiting blocks 73 are finally stretched into the placement hole 6 when the movable limiting blocks 73 are not extruded by the placement hole 6, limiting of the cross rod 71 is achieved, and the spring assemblies 72 ensure that the movable limiting blocks 73 are stably positioned in the placement hole 6.

The piston extrusion device 8 comprises a second piston frame 81, the second piston frame 81 is connected in the placement hole 6, a second piston plate 82 is arranged in the second piston frame 81 in a sliding manner, one side of the second piston plate 82 is connected with a second piston rod 83, and the second piston rod 83 penetrates through and is arranged on one side of the second piston frame 81 in a sliding manner.

The other end of the second piston rod 83 is connected with a contact plate 84, the contact plate 84 is connected with the cross rod 71, a second elastic component 85 connected with the second piston frame 81 and the second piston plate 82 is sleeved outside the second piston rod 83, the second piston frame 81 is communicated with the first piston frame 51, the second piston frame 81, the second piston plate 82 and the second piston rod 83 are arranged, gas in the second piston frame 81 can be extruded when the second piston plate 82 is controlled to move by the second piston rod 83, air pressure change in the first piston frame 51 is conveniently controlled through air transfer, and the second elastic component 85 is arranged to smoothly control the second piston plate 82 to reset after the cross rod 71 is separated from the contact plate 84.

The working principle of the utility model is as follows:

when the single-tube main body 1 needs to be electrically connected, the single-tube main body 1 is directly controlled to move, meanwhile, after the cross rod 71 is inserted into the placement hole 6, the contact plate 84 and the second piston plate 82 are extruded, at the moment, the second piston plate 82 extrudes gas in the second piston frame 81, the gas in the second piston frame 81 is transferred into the first piston frame 51 through a gas pipe, the increased gas pressure in the first piston frame 51 controls the first piston plate 52 to move, the first piston plate 52 drives the movable electrode plate 54 to clamp outside the pin 3 through the first piston rod 53, the sufficient stable clamping of the pin 3 is achieved, the inclined surface position of the movable limiting block 73 is extruded by the placement hole 6 when the cross rod 71 moves, the movable limiting block 73 is accommodated in the cross rod 71, after the cross rod 71 extrudes the contact plate 84 to a limit position, the spring assembly 72 drives the movable limiting block 73 to extend upwards into the placement hole 6, at the moment, the cross rod 71 is limited, and free horizontal shaking between the plug connector 2 and the single-tube main body 1 is avoided.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims

1. The utility model provides an electric connection device for IGBT list is used, includes single tube main part (1) and plug (2), its characterized in that: the single tube main part (1) is close to one side of bayonet joint (2) and is equipped with three pin (3), pin (3) are located connecting hole (4) that bayonet joint (2) one side was seted up, upside and downside all are connected with mobile connection device (5) with pin (3) overlap joint in connecting hole (4), two place hole (6) have been seted up to one side of bayonet joint (2), place hole (6) interior sliding connection be equipped with connect at the outside mobile stop device (7) of single tube main part (1), be equipped with in place hole (6) with remove piston extrusion device (8) that stop device (7) are connected, piston extrusion device (8) are through trachea and mobile connection device (5) intercommunication, bayonet joint (2) upside and downside all are equipped with pusher (9).

2. The electrical connection device for an IGBT cell of claim 1 wherein: the movable connecting device (5) comprises a first piston frame (51), the first piston frame (51) is connected in the connecting hole (4), a first piston plate (52) is arranged in the first piston frame (51) in a sliding mode, a first piston rod (53) is connected to the outside of the first piston plate (52), and the first piston rod (53) penetrates through and is arranged outside the first piston frame (51) in a sliding mode.

3. An electrical connection device for an IGBT cell as claimed in claim 2, wherein: the other end of the first piston rod (53) is connected with a movable electrode plate (54), one side, far away from the first piston rod (53), of the first piston plate (52) is connected with a first elastic component (55), and the first elastic component (55) is connected in the first piston frame (51).

4. An electrical connection device for an IGBT cell as claimed in claim 3, wherein: remove stop device (7) include horizontal pole (71), the one end and the single tube main part (1) of horizontal pole (71) are connected, horizontal pole (71) sliding connection is in placing hole (6), be equipped with two spring assembly (72) in horizontal pole (71), the other end and the removal stopper (73) of spring assembly (72) are connected, remove stopper (73) slip and establish in horizontal pole (71) and place in hole (6), the other end of horizontal pole (71) is connected outside piston extrusion device (8), the face at removal stopper (73) top is established to the slope form.

5. The electrical connection device for an IGBT cell of claim 4 wherein: the piston extrusion device (8) comprises a second piston frame (81), the second piston frame (81) is connected in the placement hole (6), a second piston plate (82) is arranged in the second piston frame (81) in a sliding mode, a second piston rod (83) is connected to one side of the second piston plate (82), and the second piston rod (83) penetrates through and is arranged on one side of the second piston frame (81) in a sliding mode.

6. The electrical connection device for an IGBT cell of claim 5 wherein: the other end of the second piston rod (83) is connected with a contact plate (84), the contact plate (84) is connected with the cross rod (71), a second elastic component (85) connected with a second piston frame (81) and a second piston plate (82) is sleeved outside the second piston rod (83), and the second piston frame (81) is communicated with the first piston frame (51).