CN115407170A - Insulation test tool for IGBT module - Google Patents
Insulation test tool for IGBT module Download PDFInfo
- Publication number
- CN115407170A CN115407170A CN202211365102.4A CN202211365102A CN115407170A CN 115407170 A CN115407170 A CN 115407170A CN 202211365102 A CN202211365102 A CN 202211365102A CN 115407170 A CN115407170 A CN 115407170A
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- fixedly mounted
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- 238000012360 testing method Methods 0.000 title claims abstract description 152
- 238000009413 insulation Methods 0.000 title claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 43
- 239000000523 sample Substances 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 7
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 238000011017 operating method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention is suitable for the field of semiconductor test, and provides an insulation test tool for an IGBT module, which comprises: the protective housing, be equipped with the test panel in the protective housing, place the insulating pad that is used for holding the IGBT module on the test panel, the equal fixed mounting in both sides that tests the panel has a plurality of first insulation posts, one side and protective housing inner wall fixed mounting that the test panel was kept away from to the first insulation post, the removal through the installation piece makes first testing arrangement and first test probe aim at the IGBT module, second testing arrangement tests the top of IGBT module through the second test probe of one side, and reciprocate second testing arrangement and second test probe that drives it through the mounting panel and also can reciprocate, testing arrangement through equidirectional detects and the protective housing the IGBT module, reduce operating personnel's operating procedure, operating personnel's security has been increased.
Description
Technical Field
The invention relates to the field of semiconductor testing, in particular to an insulation testing tool for an IGBT module.
Background
The IGBT and the insulated gate bipolar transistor are composite fully-controlled voltage-driven power semiconductor devices consisting of bipolar triodes and insulated gate field effect transistors, and have the advantages of high input impedance of the MOSFET and low conduction voltage drop of the GTR;
the insulated test of the IGBT module is a test with certain danger, the common insulated test tool is simple in structure, different surfaces of the insulated test tool need to be detected when the insulated test tool is used, an operator needs to operate the insulated test tool for many times, frequent operation can cause the danger of electric shock, and the operator is harmed unnecessarily.
Disclosure of Invention
The invention aims to provide an insulation test tool for an IGBT module so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an insulation test tool for an IGBT module comprises:
the protection box is internally provided with a test board, insulating pads for containing IGBT modules are placed on the test board, a plurality of first insulating columns are fixedly mounted on two sides of the test board, one side, away from the test board, of each first insulating column is fixedly mounted on the inner wall of the protection box, sliding strips which are connected to the first insulating columns in a sliding mode are arranged on two sides of the test board, side test assemblies are mounted on the sliding strips, and two sides of the IGBT modules are tested through the side test assemblies;
the protective box is internally provided with a driving assembly, and the driving assembly drives the sliding strips at the two sides to be close to or far away from each other;
the upper portion of surveying the test panel is equipped with and carries out the last test assembly who tests IGBT module top, installs the subassembly that pushes down in the protective housing, and pushes down the subassembly and be connected with side test assembly and last test assembly, drives side test assembly and last test assembly downstream through pushing down the subassembly.
As a further scheme of the invention: the side test assembly comprises a plurality of limiting slide rods fixedly mounted on the slide bars, moving blocks are slidably connected onto the limiting slide rods, compression springs are sleeved on the limiting slide rods in a butt joint mode between the moving blocks and the slide bars, clamping strips are fixedly mounted on one sides of the moving blocks, mounting blocks clamped with the clamping strips slide on the clamping strips, first test devices are fixedly mounted on the mounting blocks, first test probes fixedly mounted on the mounting blocks are arranged on one sides of the first test devices, and locking blocks abutted to the mounting blocks are rotatably connected to one sides of the clamping strips.
As a still further scheme of the invention: the driving assembly comprises a double-end lead screw arranged in the protective box, a second supporting block for supporting the double-end lead screw is rotatably connected to a rotating shaft of the double-end lead screw, the second supporting block is fixedly arranged in the protective box, and pushing blocks connected with the double-end lead screw in a threaded mode are fixedly arranged on the sliding strips on the two sides.
As a still further scheme of the invention: the bottom fixed mounting who surveys the test panel has a plurality ofly to carry out the second insulated column that supports it, and second insulated column fixed mounting is in the protective housing, and fixed mounting has servo motor in the protective housing, installs the drive belt between servo motor's output shaft and the double-end lead screw pivot.
As a still further scheme of the invention: go up the test assembly including setting up the mounting panel in surveying the test panel top, fixed mounting has the second testing arrangement on the mounting panel, and one side of second testing arrangement is equipped with the second test probe of fixed mounting on the mounting panel.
As a still further scheme of the invention: the push down subassembly is including setting up the connecting block in the protective housing, and the equal fixed mounting in both sides of connecting block has the slip post, and fixed mounting has trapezoidal strip in the protective housing, sliding connection have on the trapezoidal strip with slip post fixed mounting's joint piece, sliding connection has the sliding block on the slip post, one side fixed mounting of sliding block has the spliced pole, one side and movable block fixed mounting that the sliding block was kept away from to the spliced pole.
As a still further scheme of the invention: the supporting frame is fixedly mounted on the connecting block, one side of the connecting block and the mounting plate are fixedly mounted on the supporting frame, a first supporting block is fixedly mounted in the protective box, an electric telescopic rod is fixedly mounted on the first supporting block, and the movable end of the electric telescopic rod and the connecting block are fixedly mounted.
As a still further scheme of the invention: the protection box is provided with a rectangular window, a protection door is placed in the rectangular window, a hinged seat is fixedly mounted between the protection door and the protection box, a protection switch abutted against the protection door is fixedly mounted on the inner wall of the protection box, and a tester is fixedly mounted on the protection box.
Compared with the prior art, the invention has the beneficial effects that: the IGBT module testing device is novel in design, the first testing device detects the IGBT module through the first testing probe arranged on one side of the first testing device, the moving block slides on the limiting sliding rod, so that the moving block can drive the mounting block fixed on the moving block to move and extrude a compression spring below the mounting block, the first testing device and the first testing probe are aligned to the IGBT module through the movement of the mounting block, the second testing device tests the top of the IGBT module through the second testing probe on one side, the second testing device and the second testing probe on the second testing device are driven to move up and down through the up-and-down movement of the mounting plate, the IGBT module is detected and protected through the testing devices in different directions, the operation steps of operators are reduced, and the safety of the operators is improved.
Drawings
Fig. 1 is a schematic perspective structure diagram of an embodiment of an insulation test tool for an IGBT module.
Fig. 2 is a schematic diagram of the internal structure of a protection box in an embodiment of an insulation test tool for an IGBT module.
Fig. 3 is an enlarged structural schematic diagram of a mounting block in an embodiment of an insulation test tool for an IGBT module.
Fig. 4 is an enlarged structural schematic diagram of a second testing device in an embodiment of an insulation testing tool for an IGBT module.
Fig. 5 is an enlarged structural schematic diagram of a connection block in an embodiment of an insulation test tool for an IGBT module.
Fig. 6 is an enlarged structural schematic diagram of the clamping block in an embodiment of the insulation test tool for the IGBT module.
Fig. 7 is an enlarged structural schematic diagram of a second stud screw in an embodiment of an insulation test tool for an IGBT module.
In the figure: 1. a protective box; 2. a tester; 3. a hinged seat; 4. a protective door; 5. a protection switch; 6. a test board; 7. an insulating pad; 8. a first insulating column; 9. a slide bar; 10. a limiting slide bar; 11. a compression spring; 12. a moving block; 13. connecting columns; 14. connecting blocks; 15. a support frame; 16. mounting a plate; 17. a sliding post; 18. mounting blocks; 19. clamping the strips; 20. a first testing device; 21. a first test probe; 22. a trapezoidal bar; 23. a clamping block; 24. a slider; 25. a locking block; 26. a second testing device; 27. a second test probe; 28. a first support block; 29. an electric telescopic rod; 30. a servo motor; 31. a transmission belt; 33. a second insulating column; 34. a second support block; 35. a double-end screw rod; 36. and (4) pushing the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 7, in an embodiment of the present invention, an insulation test tool for an IGBT module includes:
Referring to fig. 2, 3 and 5, the side test assembly includes a plurality of limiting slide bars 10 fixedly mounted on the slide bar 9, a moving block 12 is slidably connected to the limiting slide bars 10, a compression spring 11 sleeved on the limiting slide bars 10 is abutted between the moving block 12 and the slide bar 9, a clamping bar 19 is fixedly mounted on one side of the moving block 12, a mounting block 18 clamped with the clamping bar 19 is slidably mounted on the clamping bar 19, a first test device 20 is fixedly mounted on the mounting block 18, a first test probe 21 fixedly mounted on the mounting block 18 is arranged on one side of the first test device 20, and a locking block 25 abutted to the mounting block 18 is rotatably connected to one side of the clamping bar 19.
The first testing device 20 is arranged to detect the IGBT module through the first testing probe 21 installed on one side of the first testing device, because the moving block 12 slides on the limiting slide rod 10, the moving block 12 can drive the installation block 18 fixed on the moving block to move and extrude the compression spring 11 below the moving block, the first testing device 20 and the first testing probe 21 are aligned to the IGBT module through the movement of the installation block 18, and after the moving block 12 is loosened, the compressed compression spring 11 pushes the moving block 12 to return to the original position, certainly, because the IGBT module is tested, after the installation block 18 is damaged, the locking block 25 is rotated, one end of the locking block 25 is rotated to the other side, and the installation block 18 slides out to the installation block 18 to be replaced with a new installation block 18 for testing.
A driving assembly is arranged in the protective box 1, and the sliding strips 9 on the two sides are driven by the driving assembly to be close to or far away from each other.
Referring to fig. 5 and 7, the driving assembly includes a double-headed screw 35 disposed in the protective box 1, a second supporting block 34 is rotatably connected to a rotating shaft of the double-headed screw 35 to support the double-headed screw, the second supporting block 34 is fixedly mounted in the protective box 1, and pushing blocks 36 in threaded connection with the double-headed screw 35 are fixedly mounted on the slide bars 9 on both sides.
Specifically, the double-end screw 35 rotates, the rotating double-end screw 35 drives the pushing block 36 in threaded connection to move to one side, the moving pushing block 36 drives the sliding strip 9 fixed with the pushing block to move towards the middle or separate towards two sides, and the double-end screw 35 can be rotated more stably through the second supporting block 34.
The second supporting block 34 is provided with a circular hole, a ball bearing for receiving the double-end screw 35 is fixedly mounted in the circular hole, the double-end screw 35 rotates more quickly and stably through the ball bearing, the second supporting block 34 is fixed to the inner wall of the protection box 1 in a welding mode, and the second supporting block 34 fixed in the welding mode is more stable.
Referring to fig. 5 and 7, a plurality of second insulating columns 33 supporting the testing board 6 are fixedly mounted at the bottom of the testing board 6, the second insulating columns 33 are fixedly mounted in the protection box 1, a servo motor 30 is fixedly mounted in the protection box 1, and a transmission belt 31 is mounted between an output shaft of the servo motor 30 and a rotating shaft of the stud screw 35.
In detail, the servo motor 30 operates, the output shaft of the servo motor 30 drives the stud screw 35 on one side to rotate through the transmission belt 31 installed on the output shaft, when the stud screw 35 rotates in the forward direction, the rotating stud screw 35 drives the two pushing blocks 36 connected with the screw thread to move towards the middle, and when the stud screw 35 rotates in the reverse direction, the rotating stud screw 35 drives the two pushing blocks 36 to move towards two sides, and the second insulating columns 33 fixed below the test board 6 can better support the test board 6, so that the test board 6 can bear heavier objects.
And an upper test assembly for testing the top of the IGBT module is arranged above the test board 6.
Referring to fig. 2 and 4, the upper testing assembly includes a mounting plate 16 disposed above the testing plate 6, a second testing device 26 is fixedly mounted on the mounting plate 16, and a second testing probe 27 is fixedly mounted on the mounting plate 16 at one side of the second testing device 26.
The second testing device 26 is arranged to test the top of the IGBT module through the second testing probe 27 on one side, and the second testing device 26 and the second testing probe 27 on the second testing device are driven to move up and down through the up and down movement of the mounting plate 16.
Install in the protective housing 1 and push down the subassembly, just push down the subassembly with the side test subassembly with it connects to go up the test subassembly, through it drives to push down the subassembly the side test subassembly with it moves down to go up the test subassembly.
Referring to fig. 5 and 6, the pressing assembly includes a connecting block 14 disposed in the protective box 1, sliding columns 17 are fixedly mounted on both sides of the connecting block 14, a trapezoidal bar 22 is fixedly mounted in the protective box 1, a clamping block 23 fixedly mounted on the sliding column 17 is slidably connected to the trapezoidal bar 22, a sliding block 24 is slidably connected to the sliding column 17, a connecting column 13 is fixedly mounted on one side of the sliding block 24, and one side of the connecting column 13 away from the sliding block 24 is fixedly mounted on the moving block 12.
Specifically, connecting block 14 is the downstream, connecting block 14 that removes drives two sliding column 17 downshifts rather than being connected, sliding column 17 and the joint piece 23 downshifting of one side, because joint piece 23 joint is on trapezoidal strip 22, so connecting block 14 drives the sliding column 17 that the both sides removed gentler and stable, and one side of sliding block 24 is fixed with spliced pole 13, so spliced pole 13 drives movable block 12 to the sideslip removal, of course, the draw runner 9 can drive movable block 12 and remove, lead to sliding block 24 to take place to remove.
Referring to fig. 4 and 5, a support frame 15 is fixedly mounted on the connecting block 14, one side of the support frame 15, which is far away from the connecting block 14, is fixedly mounted on the mounting plate 16, a first support block 28 is fixedly mounted in the protective box 1, an electric telescopic rod 29 is fixedly mounted on the first support block 28, and a movable end of the electric telescopic rod 29 is fixedly mounted on the connecting block 14.
In detail, the electric telescopic rod 29 operates, the movable end of the electric telescopic rod 29 drives the connecting block 14 fixed to the electric telescopic rod to move downwards, the moving connecting block 14 drives the supporting frame 15 fixed to the moving connecting block to move downwards, and the first supporting block 28 fixed to the bottom of the protection box 1 supports the electric telescopic rod 29, so that the electric telescopic rod 29 is more stable.
Referring to fig. 1, a rectangular window is formed in the protective box 1, a protective door 4 is placed in the rectangular window, a hinge seat 3 is fixedly installed between the protective door 4 and the protective box 1, a protective switch 5 abutted against the protective door 4 is fixedly installed on the inner wall of the protective box 1, and a tester 2 is fixedly installed on the protective box 1.
Set up, the articulated seat 3 that protective door 4 passes through to be connected can open and shut, can protect operating personnel better through protective door 4 and protective housing 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an insulation test frock for IGBT module which characterized in that includes:
the IGBT module testing device comprises a protective box (1), wherein a testing board (6) is arranged in the protective box (1), an insulating pad (7) used for containing an IGBT module is placed on the testing board (6), a plurality of first insulating columns (8) are fixedly installed on two sides of the testing board (6), one side, far away from the testing board (6), of each first insulating column (8) is fixedly installed on the inner wall of the protective box (1), sliding strips (9) which are connected to the first insulating columns (8) in a sliding mode are arranged on two sides of the testing board (6), side testing assemblies are installed on the sliding strips (9), and two sides of the IGBT module are tested through the side testing assemblies;
a driving assembly is arranged in the protective box (1), and the sliding strips (9) on the two sides are driven to mutually approach or depart from each other by the driving assembly;
the top of surveying test panel (6) is equipped with and carries out the last test subassembly that tests to IGBT module top, install in protective housing (1) and push down the subassembly, just push down the subassembly with the side test subassembly with it connects to go up the test subassembly, through it drives to push down the subassembly the side test subassembly with go up the test subassembly and remove downwards.
2. The insulation testing tool for the IGBT module according to claim 1, wherein the side testing assembly comprises a plurality of limiting sliding rods (10) fixedly mounted on the sliding rods (9), moving blocks (12) are connected on the limiting sliding rods (10) in a sliding mode, compression springs (11) sleeved on the limiting sliding rods (10) are abutted between the moving blocks (12) and the sliding rods (9), clamping strips (19) are fixedly mounted on one sides of the moving blocks (12), mounting blocks (18) clamped with the clamping strips (19) slide on the clamping strips (19), first testing devices (20) are fixedly mounted on the mounting blocks (18), first testing probes (21) fixedly mounted with the mounting blocks (18) are arranged on one sides of the first testing devices (20), and locking blocks (25) abutted with the mounting blocks (18) are rotatably connected on one sides of the clamping strips (19).
3. The insulation testing tool for the IGBT module as claimed in claim 1, wherein the driving assembly comprises a stud (35) disposed in the protection box (1), the stud (35) is rotatably connected to a second supporting block (34) for supporting the stud, the second supporting block (34) is fixedly mounted in the protection box (1), and pushing blocks (36) in threaded connection with the stud (35) are fixedly mounted on the slide bars (9) at two sides.
4. The insulation testing tool for the IGBT module according to claim 3, wherein a plurality of second insulation columns (33) supporting the test board (6) are fixedly mounted at the bottom of the test board (6), the second insulation columns (33) are fixedly mounted in the protection box (1), a servo motor (30) is fixedly mounted in the protection box (1), and a transmission belt (31) is mounted between an output shaft of the servo motor (30) and a rotating shaft of the double-head screw rod (35).
5. The insulation test tool for the IGBT module according to claim 2, wherein the upper test assembly comprises a mounting plate (16) arranged above the test plate (6), a second test device (26) is fixedly mounted on the mounting plate (16), and a second test probe (27) fixedly mounted on the mounting plate (16) is arranged on one side of the second test device (26).
6. The insulation testing tool for the IGBT module according to claim 5, wherein the pressing component comprises a connecting block (14) arranged in the protective box (1), sliding columns (17) are fixedly mounted on two sides of the connecting block (14), a trapezoidal strip (22) is fixedly mounted in the protective box (1), clamping blocks (23) fixedly mounted on the sliding columns (17) are connected onto the trapezoidal strip (22) in a sliding mode, sliding blocks (24) are connected onto the sliding columns (17) in a sliding mode, connecting columns (13) are fixedly mounted on one sides of the sliding blocks (24), and one sides, far away from the sliding blocks (24), of the connecting columns (13) are fixedly mounted on the moving block (12).
7. The insulation testing tool for the IGBT module according to claim 6, wherein a support frame (15) is fixedly mounted on the connecting block (14), the support frame (15) is far away from one side of the connecting block (14) and is fixedly mounted on the mounting plate (16), a first support block (28) is fixedly mounted in the protection box (1), an electric telescopic rod (29) is fixedly mounted on the first support block (28), and the movable end of the electric telescopic rod (29) and the connecting block (14) are fixedly mounted.
8. The insulation testing tool for the IGBT module according to claim 1, wherein a rectangular window is formed in the protection box (1), a protection door (4) is placed in the rectangular window, a hinged seat (3) is fixedly installed between the protection door (4) and the protection box (1), a protection switch (5) abutted against the protection door (4) is fixedly installed on the inner wall of the protection box (1), and a tester (2) is fixedly installed on the protection box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211365102.4A CN115407170A (en) | 2022-11-03 | 2022-11-03 | Insulation test tool for IGBT module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211365102.4A CN115407170A (en) | 2022-11-03 | 2022-11-03 | Insulation test tool for IGBT module |
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| Publication Number | Publication Date |
|---|---|
| CN115407170A true CN115407170A (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211365102.4A Pending CN115407170A (en) | 2022-11-03 | 2022-11-03 | Insulation test tool for IGBT module |
Country Status (1)
| Country | Link |
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| CN (1) | CN115407170A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116203319A (en) * | 2023-05-04 | 2023-06-02 | 山东恒圣石墨科技有限公司 | Graphite electrode resistivity detection device |
| CN117538161A (en) * | 2024-01-10 | 2024-02-09 | 烟台台芯电子科技有限公司 | IGBT module bonding wire tensile test tool |
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| CN116203319A (en) * | 2023-05-04 | 2023-06-02 | 山东恒圣石墨科技有限公司 | Graphite electrode resistivity detection device |
| CN116203319B (en) * | 2023-05-04 | 2023-08-08 | 山东恒圣石墨科技有限公司 | Graphite electrode resistivity detection device |
| CN117538161A (en) * | 2024-01-10 | 2024-02-09 | 烟台台芯电子科技有限公司 | IGBT module bonding wire tensile test tool |
| CN117538161B (en) * | 2024-01-10 | 2024-03-19 | 烟台台芯电子科技有限公司 | IGBT module bonding wire tensile test tool |
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