CN210954243U

CN210954243U - IGBT chip test is with detection instrument that has safe subassembly

Info

Publication number: CN210954243U
Application number: CN201921500390.3U
Authority: CN
Inventors: 王全; 邹有彪; 倪侠; 徐玉豹; 沈春福; 王超
Original assignee: Fu Xin Microelectronics Co ltd
Current assignee: Fu Xin Microelectronics Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-07-07
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a IGBT chip test is with detection instrument that has safe subassembly, including loading box and connecting box, load and install the cooling frame between box and the connecting box, the inside loading of cooling frame has the cooling water. The one end middle part that the loading box is close to the connecting box is provided with the second jack, the one end middle part that the connecting box is close to the loading box is connected with the plug, and the inside of plug is run through and is provided with a plurality of loading hole, the loading hole comprises first through-hole and second through-hole through connection, and the metal current conducting plate is installed in the junction with the second through-hole in the inside of first through-hole. The baffle moves the one end that the cooling frame was kept away from to the connecting box, and the welded junction of connecting wire and soldered connection receives behind the pulling force of spring damaged, and then the tip of connecting wire breaks away from the tip of connector lug, can not influence outside detection apparatus after the connecting box high temperature damages. Has higher protective performance, and can protect detection instruments from being damaged easily in use.

Description

IGBT chip test is with detection instrument that has safe subassembly

Technical Field

The utility model relates to a detect the instrument, concretely relates to IGBT chip test is with detection instrument that has safe subassembly belongs to chip testing application.

Background

Chips, also known as microcircuits, microchips, integrated circuits. Refers to a silicon chip containing integrated circuits, which is small in size and is often part of a computer or other electronic device. Chips are a way of miniaturizing circuits, including primarily semiconductor devices, as well as passive components, in electronics, and are commonly fabricated on the surface of a semiconductor wafer.

After the chip is produced, the chip needs to be detected, whether the internal information is complete or whether the quality of the test chip can meet the design requirement is judged. Chip testing often connects the chip to a detection device, which in turn performs the necessary testing of the chip. In the detection process, because the chip is easy to have errors in the manufacturing process, the quality of the chip has defects, the chip is easy to damage in the test process, the temperature inside the detection instrument is overhigh, a fire disaster or the heating damage of internal parts is easy to cause, and the damage of the whole detection instrument is more likely to cause. The safety of the detection instrument cannot be ensured in the detection process, and the safety performance is lower. When a problem occurs in the detection, the detected line cannot be cut off in time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a IGBT chip test is with detection instrument who has safe subassembly can solve the testing process because the chip appears the mistake easily at the in-process of making, and the quality that leads to the chip has the flaw, and the in-process chip of testing takes place the damage easily. The temperature inside the detection device is too high, so that a fire or the internal parts are easily damaged by heat, and the damage of the whole detection device is more likely to be caused. The safety of the detection instrument cannot be ensured in the detection process, and the safety performance is lower. When a problem occurs in the detection, the detected line can not be cut off in time.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a IGBT chip test is with detection instrument that has safe subassembly, includes and loads box and connecting box, load and install the cooling frame between box and the connecting box, the inside loading of cooling frame has cooling water.

The one end middle part that the loading box is close to the connecting box is provided with the second jack, the one end middle part that the connecting box is close to the loading box is connected with the plug, and the inside of plug is run through and is provided with a plurality of loading hole, the loading hole comprises first through-hole and second through-hole through connection, and the diameter of second through-hole is greater than the diameter of first through-hole, and the metal current conducting plate is installed in the junction with the second through-hole in the inside of first through-hole.

The plug is characterized in that the middle end outside the plug is connected with a fixing plate, a first jack is arranged in the middle of one end of the connecting box, one end of the plug is inserted into the first jack, a plurality of contact pins are connected to the first jack and the second jack, a plurality of mounting holes are formed in the first jack and the second jack, and the end portions of the contact pins are connected with the mounting holes.

The inside of connecting box is close to loading box one end and is connected with the connector lug, and the other end of connector lug is connected with a plurality of connecting wire, the inside slidable mounting of connecting box has the baffle, the both sides of baffle all are connected with the connector lug, and the other end of connecting wire is connected with the connector lug of baffle one side, the one end both sides that the baffle is close to the plug all are connected with the nylon rope, the other end of nylon rope is connected with the inside one end of connecting box, the other end both sides of baffle all are connected with damping spring, and damping spring's tip is connected with the inside other end of connecting box.

Preferably, the top of the connecting box is connected with a cover plate, and the cover plate is movably clamped with the connecting box.

Preferably, both ends of the fixing plate are provided with screw holes, and both ends of the fixing plate are connected with the connecting box through the screw holes and bolts.

Preferably, the end part of the connecting box connected with the cooling frame is provided with positioning holes all around, one end of the cooling frame is connected with connecting rods all around, and the connecting rods are inserted in the positioning holes.

Preferably, the middle parts of the two ends of the baffle are connected with protruding heads, the middle parts of the two sides of the inside of the connecting box are provided with sliding grooves along the length direction, and the protruding heads are slidably mounted inside the sliding grooves.

Preferably, one end of the contact pin is connected with a threaded head, and the contact pin is in threaded connection with the mounting hole through the threaded head.

Preferably, the end of the connector lug is provided with a plurality of welding heads, the connecting wire is fixedly connected with the connector lug through the welding heads, and the two ends of the baffle are electrically connected with the welding heads between the connector lugs correspondingly.

Preferably, the inside one end both sides that are close to the loading box of connecting box all are connected with the gag lever post, and the tip of gag lever post is provided with the perforation, and the tip of nylon rope is connected with the gag lever post through perforating, and the other end external connection of connecting box has the dress spool.

The utility model has the advantages that:

1. through installing the cooling frame between loading box and junction box for if the in-process that detects takes place the short circuit and lead to loading the temperature of box and junction box high, perhaps when the heat can not get timely the giving off in the detection. In order to protect the chip, the loading box and the connecting box from being damaged easily. The inside cooling water absorption work in the cooling frame heat, can reduce the temperature of loading box and junction box work, and can cut off loading box and junction box, and heat transfer's efficiency reduces each other, and one of them high temperature can not endanger another, can carry out solitary protection to loading box and junction box, and is not fragile in the use. And the cooling frame can be freely assembled and disassembled from the end part of the connecting box, can be freely replaced after being heated and damaged, and has low cost and simple and quick follow-up maintenance.

2. Through the inside movable mounting baffle at the connecting box for after the temperature of connecting box was too high in the use, the nylon rope at baffle one side both ends was heated fracture, and the damping spring pulling baffle at opposite side both ends removes in the inside of connecting box. When the baffle moves, the raised heads at the two ends slide in the sliding grooves to limit the moving direction of the baffle, so that the baffle is more stable in moving and is not easy to shake. The baffle moves the one end that the cooling frame was kept away from to the connecting box, and the welded junction of connecting wire and soldered connection receives behind the pulling force of spring damaged, and then the tip of connecting wire breaks away from the tip of connector lug, can not influence outside detection apparatus after the connecting box high temperature damages. Has higher protective performance, and can protect detection instruments from being damaged easily in use.

3. After the connecting box damages, can open the apron on upper portion, change new nylon rope to promote the baffle and remove to the gag lever post in the inside of connecting box, damping spring is stretched, can be connected with the connector lug of tip until the connecting wire. The tip of nylon rope and two gag lever post fixed connection of the inside one end of connecting box are passed through the soldered connection with the connector lug with the tip of a plurality of connecting wire of the inside one end of connecting box and are connected, and then the connecting wire passes through connector lug and outside detection apparatus electric connection. The connecting box can be conveniently and quickly repaired after protection.

4. The contact pin is connected through the internal threads of the jack, so that the plug and the contact pin can be freely replaced and maintained after being damaged. After the whole damage of plug, twist the bolt and dismantle the change with its one end from the connecting box, if inside metal current conducting plate damages, utilize the body of rod to insert the inside of second through-hole, dismantle metal current conducting plate from the inside of first through-hole, and then push away the installation with new metal current conducting plate from the inside of first through-hole. The metal current conducting plate can separate the contact pin in the first through hole and the second through hole, can be normally conductive in use, does not influence each other, increases the conductive area, and the conductive stability can be better. The metal current conducting plate and the plug are convenient to install and replace, the follow-up maintenance is simple, and different working requirements can be met. After the contact pin damages in the use, twist the contact pin that damages, dismantle it from the inside of mounting hole, and then dismantle from the jack is inside, it is fixed with the mounting hole that the screw head that passes through the tip with new contact pin. The contact pin can be replaced independently, the maintenance cost is low, the whole part does not need to be replaced, and the operation is simple and easy.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the connection box of the present invention.

Fig. 3 is an isometric view of fig. 2 of the present invention.

Fig. 4 is a schematic view of the internal structure of the connection box of the present invention.

Fig. 5 is a schematic view of the plug mounting structure of the present invention.

Fig. 6 is a schematic structural view of the loading box of the present invention.

Fig. 7 is a schematic view of the structure of the contact pin of the present invention.

Fig. 8 is a schematic view of the internal structure of the first jack of the present invention.

Fig. 9 is a schematic view of the internal structure of the plug of the present invention.

Fig. 10 is a schematic structural view of the cooling frame of the present invention.

Fig. 11 is a schematic view of the baffle structure of the present invention.

Fig. 12 is a schematic view of the end structure of the connecting box of the present invention.

In the figure: 1. loading a cartridge; 2. a cooling frame; 3. a connection box; 4. wiring pipes; 5. a cover plate; 6. a screw hole; 7. a plug; 8. positioning holes; 9. a connector lug; 10. a baffle plate; 11. a nylon cord; 12. a sliding groove; 13. a first jack; 14. a fixing plate; 15. inserting a pin; 16. a second jack; 17. a screw head; 18. mounting holes; 19. a metal conductive plate; 20. a first through hole; 21. a second through hole; 22. a connecting rod; 23. a damping spring; 24. a raised head; 25. welding a head; 26. a connecting wire; 27. a limiting rod.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 12, a testing tool with a safety component for testing an IGBT chip includes a loading box 1 and a connection box 3, a cooling frame 2 is installed between the loading box 1 and the connection box 3, and cooling water is loaded inside the cooling frame 2;

a second jack 16 is arranged in the middle of one end, close to the connecting box 3, of the loading box 1, a plug 7 is connected in the middle of one end, close to the loading box 1, of the connecting box 3, a plurality of loading holes are formed in the plug 7 in a penetrating mode, each loading hole is formed by connecting a first through hole 20 and a second through hole 21 in a penetrating mode, the diameter of each second through hole 21 is larger than that of each first through hole 20, and a metal conductive plate 19 is arranged in the first through hole 20 at the connecting position of the first through hole 20 and the second through hole 21;

the middle end of the outer part of the plug 7 is connected with a fixing plate 14, the middle part of one end of the connecting box 3 is provided with a first jack 13, one end of the plug 7 is inserted in the first jack 13, the insides of the first jack 13 and the second jack 16 are both connected with a plurality of contact pins 15, the insides of the first jack 13 and the second jack 16 are both provided with a plurality of mounting holes 18, and the end parts of the contact pins 15 are connected with the mounting holes 18;

the inside of connecting box 3 is close to and loads 1 one end of box and is connected with connector lug 9, the other end of connector lug 9 is connected with a plurality of connecting wire 26, the inside slidable mounting of connecting box 3 has baffle 10, the both sides of baffle 10 all are connected with connector lug 9, the other end of connecting wire 26 is connected with the connector lug 9 of baffle 10 one side, the one end both sides that baffle 10 is close to plug 7 all are connected with nylon rope 11, nylon rope 11's the other end and the inside one end of connecting box 3 are connected, the other end both sides of baffle 10 all are connected with damping spring 23, damping spring 23's the tip and the inside other end of connecting box 3 are connected.

The top of connecting box 3 is connected with apron 5, and apron 5 and the 3 activity joint of connecting box, and the installation can freely be dismantled from the top of connecting box 3 to apron 5, and the inside maintenance of connecting box 3 is simple.

Both ends of fixed plate 14 all are provided with screw 6, and the both ends of fixed plate 14 all are connected with connecting box 3 through screw 6 and bolt, and fixed plate 14 passes through the bolt to be connected with connecting box 3, and stability can be good for plug 7 is difficult to break away from in the jack.

The tip that connecting box 3 and cooling frame 2 are connected all is provided with locating hole 8 all around, and the equal horizontally connect all around of one end of cooling frame 2 has connecting rod 22, and connecting rod 22 pegs graft in the inside of locating hole 8, and connecting rod 22 is passed through to the one end of cooling frame 2 and locating hole 8 pegs graft, and then cooling frame 2 can be installed with connecting box 3 stable.

Both ends middle part of baffle 10 all is connected with plush copper 24, and the inside both sides middle part of connecting box 3 all is provided with sliding tray 12 along length direction, plush copper 24 slidable mounting is in sliding tray 12's inside, and when baffle 10 removed, plush copper 24 at both ends slided in sliding tray 12's inside, and the direction that restriction baffle 10 removed makes it more stable in removing, and difficult emergence is rocked.

One end of the contact pin 15 is connected with a threaded head 17, the contact pin 15 is in threaded connection with the mounting hole 18 through the threaded head 17, and the contact pin 15 can be freely mounted and dismounted with the mounting hole 18 through the threaded head 17, so that subsequent replacement is facilitated.

The tip of connector lug 9 is provided with a plurality of soldered connection 25, and connecting wire 26 passes through soldered connection 25 and connector lug 9 fixed connection, and baffle 10 both ends correspond soldered connection 25 between the connector lug 9 and are electric connection, and soldered connection 25 makes things convenient for between connecting wire 26 and the connector lug 9 to carry out fixed connection.

The inside one end both sides that are close to loading box 1 of junction box 3 all are connected with gag lever post 27, and the tip of gag lever post 27 is provided with the perforation, and the tip of nylon rope 11 is connected with gag lever post 27 through the perforation, and the other end external connection of junction box 3 has wire dress pipe 4, and gag lever post 27 makes things convenient for nylon rope 11 and junction box 3 fixed connection, and wire dress pipe 4 can protect the circuit of outside detection apparatus.

The utility model discloses when using, the chip that will wait to detect is put into the inside of loading box 1 to the second jack 16 that will load box 1 through one end is pegged graft with the plug 7 of connecting box 3 one end, and then makes and load box 1 and connecting box 3 fixed. When the plug 7 is plugged into the jack, the pins 15 are plugged into the loading holes. And before loading box 1 and connecting box 3 installation, install cooling frame 2 at the tip of connecting box 3 for cooling frame 2 can be installed between loading box 1 and connecting box 3, and plug 7 can run through and peg graft with loading box 1 from the inside of cooling frame 2.

The connecting box 3 is electrically connected with the detection instrument through the plug 7 to detect the chip. If short circuit occurs in the detection process, the temperature of the loading box 1 and the connection box 3 is high, or the heat cannot be timely dissipated in the detection process. In order to protect the chip and the loading box 1 and the connection box 3 from damage. The inside cooling water absorption work in the cooling frame 2 heat, can reduce the temperature of loading box 1 and the work of connecting box 3, and can cut off loading box 1 and connecting box 3, heat transfer's efficiency reduces each other, and one of them high temperature can not endanger another, can carry out solitary protection to loading box 1 and connecting box 3, and is not fragile in the use. And the cooling frame 2 can be freely assembled and disassembled from the end part of the connecting box 3, and can be freely replaced after being heated and damaged, so that the cost is low, and the subsequent maintenance is simple and rapid.

When the temperature of the connecting box 3 is too high in use, the nylon ropes 11 at two ends of one side of the baffle plate 10 are heated and broken, and the damping springs 23 at two ends of the other side pull the baffle plate 10 to move in the connecting box 3. When the baffle 10 moves, the raised heads 24 at the two ends slide in the sliding groove 12 to limit the moving direction of the baffle 10, so that the baffle is more stable in moving and is not easy to shake. The baffle 10 moves to the one end that the connection box 3 is kept away from the cooling frame 2, and the welded junction of connecting wire 26 and soldered connection 25 receives the pulling force of spring and is damaged, and then the tip of connecting wire 26 breaks away from the tip of connector lug 9, and the circuit between connection box 3 and the outside detection apparatus breaks, forms and opens circuit, can not influence outside detection apparatus after the high temperature damage of connection box 3. Has higher protective performance, and can protect detection instruments from being damaged easily in use.

After the connecting box 3 is damaged, the cover plate 5 at the upper part can be opened, the nylon rope 11 is replaced, the baffle plate 10 is pushed to move towards the limiting rod 27 in the connecting box 3, and the damping spring 23 is stretched until the connecting wire 26 can be connected with the connector lug 9 at the end part. The tip of nylon rope 11 and two gag lever post 27 fixed connection of the inside one end of connecting box 3 are passed through the soldered connection 25 with the tip of the inside one end of connecting box 3 a plurality of connecting wire 26 and are connected with connector lug 9, and then connecting wire 26 passes through connector lug 9 and outside detection apparatus electric connection. The diameter of the nylon rope 11 is 0.1-0.3 mm.

In use, the plug 7 and the pins 15 can be freely replaced and maintained after being damaged. After the whole damage of plug 7, twist the bolt and dismantle the change with its one end from connecting box 3, if inside metal conducting plate 19 damages, utilize the body of rod to insert the inside of second through-hole 21, dismantle metal conducting plate 19 from the inside of first through-hole 20, and then put the installation with new metal conducting plate 19 from the inside of first through-hole 20. The metal conductive plate 19 can separate the pins 15 in the first through hole 20 and the second through hole 21, so that the pins can be normally conductive and do not affect each other in use, the conductive area is increased, and the stability of the conduction is better. The metal conducting plate 19 and the plug 7 are convenient to install and replace, simple in subsequent maintenance and capable of meeting different working requirements.

After the contact pin 15 is damaged in the use process, the damaged contact pin 15 is screwed to be detached from the inside of the mounting hole 18, and then the new contact pin 15 is fixed with the mounting hole 18 through the threaded head 17 at the end part. The contact pin 15 can be replaced independently, the maintenance cost is low, the whole part does not need to be replaced, and the operation is simple and easy.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The detection tool with the safety component for the IGBT chip test is characterized by comprising a loading box (1) and a connecting box (3), wherein a cooling frame (2) is installed between the loading box (1) and the connecting box (3), and cooling water is loaded inside the cooling frame (2);

a second jack (16) is arranged in the middle of one end, close to the connecting box (3), of the loading box (1), a plug (7) is connected in the middle of one end, close to the loading box (1), of the connecting box (3), a plurality of loading holes are formed in the plug (7) in a penetrating mode, each loading hole is formed by connecting a first through hole (20) and a second through hole (21) in a penetrating mode, the diameter of each second through hole (21) is larger than that of each first through hole (20), and a metal conductive plate (19) is arranged in the first through hole (20) at the connecting position of the first through hole (20) and the second through hole (21);

the middle end of the outer part of the plug (7) is connected with a fixing plate (14), the middle part of one end of the connecting box (3) is provided with a first jack (13), one end of the plug (7) is inserted into the first jack (13), the insides of the first jack (13) and the second jack (16) are respectively connected with a plurality of contact pins (15), the insides of the first jack (13) and the second jack (16) are respectively provided with a plurality of mounting holes (18), and the end parts of the contact pins (15) are connected with the mounting holes (18);

the inside of connecting box (3) is close to and loads box (1) one end and is connected with connector lug (9), and the other end of connector lug (9) is connected with a plurality of connecting wire (26), the inside slidable mounting of connecting box (3) has baffle (10), the both sides of baffle (10) all are connected with connector lug (9), and the other end of connecting wire (26) is connected with connector lug (9) of baffle (10) one side, the one end both sides that baffle (10) are close to plug (7) all are connected with nylon rope (11), the other end of nylon rope (11) is connected with the inside one end of connecting box (3), the other end both sides of baffle (10) all are connected with damping spring (23), and the tip of damping spring (23) is connected with the inside other end of connecting box (3).

2. The testing tool with the safety component for the testing of the IGBT chip is characterized in that a cover plate (5) is connected to the top of the connecting box (3), and the cover plate (5) is movably clamped with the connecting box (3).

3. The testing tool with the safety component for testing the IGBT chip is characterized in that both ends of the fixing plate (14) are provided with screw holes (6), and both ends of the fixing plate (14) are connected with the connecting box (3) through the screw holes (6) and bolts.

4. The detection tool with the safety component for the IGBT chip test is characterized in that positioning holes (8) are formed in the periphery of the end portion, connected with the cooling frame (2), of the connection box (3), connecting rods (22) are horizontally connected to the periphery of one end of the cooling frame (2), and the connecting rods (22) are inserted into the positioning holes (8).

5. The testing tool with the safety assembly for the IGBT chip testing is characterized in that raised heads (24) are connected to the middle portions of two ends of the baffle plate (10), sliding grooves (12) are formed in the middle portions of two sides of the interior of the connecting box (3) along the length direction, and the raised heads (24) are slidably mounted in the sliding grooves (12).

6. The testing tool with the safety assembly for the IGBT chip testing is characterized in that one end of the pin (15) is connected with a threaded head (17), and the pin (15) is in threaded connection with the mounting hole (18) through the threaded head (17).

7. The detection tool with the safety component for the IGBT chip testing is characterized in that a plurality of welding heads (25) are arranged at the end part of the connector lug (9), the connecting wire (26) is fixedly connected with the connector lug (9) through the welding heads (25), and the two ends of the baffle plate (10) are electrically connected corresponding to the welding heads (25) between the connector lugs (9).

8. The detection tool with the safety component for the IGBT chip test is characterized in that limiting rods (27) are connected to two sides of one end, close to the loading box (1), of the inside of the connection box (3), through holes are formed in the end portions of the limiting rods (27), the end portions of the nylon ropes (11) are connected with the limiting rods (27) through the through holes, and a wiring pipe (4) is connected to the outside of the other end of the connection box (3).