CN110780177A - IGBT module testing device - Google Patents
IGBT module testing device Download PDFInfo
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- CN110780177A CN110780177A CN201911065915.XA CN201911065915A CN110780177A CN 110780177 A CN110780177 A CN 110780177A CN 201911065915 A CN201911065915 A CN 201911065915A CN 110780177 A CN110780177 A CN 110780177A
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 230000008093 supporting effect Effects 0.000 claims abstract description 43
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 description 7
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 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
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2607—Circuits therefor
- G01R31/2608—Circuits therefor for testing bipolar transistors
-
- 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)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention relates to the technical field of testing devices and discloses an IGBT module testing device which comprises a supporting plate, wherein a regulating device is fixedly connected to the middle part of the upper surface of the supporting plate, a testing display is fixedly connected to the left end of the upper surface of the supporting plate, a baffle is fixedly connected to the right end of the upper surface of the supporting plate, a placing groove is formed in the right end of the supporting plate, sliding rails are fixedly connected to the inner front side wall and the inner rear side wall of the placing groove, and sliding blocks are slidably connected to the inner ends of the sliding. This IGBT module testing arrangement, through the mutually supporting effect of movable plate, elasticity spring, slide rail, slider, baffle and crowded board, can fix the IGBT module that needs the test, through the mutually supporting effect of servo motor, axis of rotation, first gear, second gear, main shaft, spacing pipe, threaded rod, removal pipe, connecting plate, connecting block, spacing spring, the second bent plate of first bent plate, can carry out automatic regulation and control to the test element link.
Description
Technical Field
The invention relates to the technical field of testing devices, in particular to an IGBT module testing device.
Background
At present, the IGBT driver is the device that drives the IGBT and regulate and control its wholeness ability, it has not only influenced the dynamic behavior of IGBT, also influence the cost and the reliability of system simultaneously, the selection of driver and output power's calculation have decided the reliability of current conversion system, driver power is not enough or the selection mistake may directly lead to IGBT and driver to damage, the IGBT module is the important component among the power electronic equipment, before putting into service, all need to test the IGBT module after the maintenance or when the product is examined, current IGBT module testing arrangement needs the handheld test element of staff to test the IGBT module when using, lead to the staff to take place danger when testing relatively easily, safety in utilization is lower, relatively inconvenient fixes the IGBT module simultaneously, the practicality is lower, be unfavorable for using widely.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the IGBT module testing device which has the advantages of automatically testing the IGBT module, fixing the IGBT module and the like, and solves the problems that when the IGBT module testing device is used, a worker needs to hold a testing element to test the IGBT module, the worker is easy to have danger during testing, the use safety is low, meanwhile, the IGBT module is inconvenient to fix, the practicability is low, and the popularization and the use are not facilitated.
(II) technical scheme
In order to realize the purposes of automatically testing the IGBT module and fixing the IGBT module, the invention provides the following technical scheme: the utility model provides a IGBT module testing arrangement, includes the backup pad, backup pad upper surface middle part fixedly connected with regulation and control device, backup pad upper surface left end fixedly connected with test display, backup pad upper surface right-hand member fixedly connected with baffle, the standing groove has been seted up to the backup pad right-hand member, the equal fixedly connected with slide rail of preceding lateral wall and interior back lateral wall in the standing groove, slide rail inner sliding connection has the slider, and is two sets of fixedly connected with movable plate between the slider, movable plate lateral wall and backup pad inside wall contact, the equal fixedly connected with elasticity spring of movable plate left surface front end and rear end, the left side wall fixed connection in the elasticity spring other end and the standing groove, the crowded board of movable plate upper surface right-.
Preferably, the regulating device comprises two groups of limiting tubes, the outer side wall of each limiting tube is fixedly connected with a fixed plate, four corners of the lower surface of the fixed plate are fixedly connected with supporting plates, the lower surfaces of the supporting plates are fixedly connected with the upper surface of a supporting plate, the bottom end of each limiting tube is rotatably connected with a main shaft, the outer side wall of the main shaft is fixedly connected with a second gear, the upper surface of the supporting plate is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a rotating shaft, the top end of the rotating shaft is fixedly connected with a first gear, the front end and the rear end of the first gear are respectively meshed with the two groups of second gears, the top end of the main shaft is fixedly connected with a threaded rod, the outer side wall of each limiting tube is provided with a moving tube, the front end and the rear end of, the inner limit hole of passing of stopper and stretching into limit inside and threaded rod screw connection, remove a tub right-hand member fixedly connected with connecting plate, the equal fixedly connected with connecting block in connecting plate right side front end and rear end, the first bent plate of connecting block right-hand member rear side fixedly connected with, the rotation of connecting block right-hand member front side is connected with the second bent plate, the spacing spring of fixedly connected with between first bent plate and the second bent plate, the equal fixedly connected with protection pad in first bent plate the inner and the second bent plate, protection pad the inner is provided with the test element link.
Preferably, the right side face of the baffle and the left side face of the extrusion plate are fixedly connected with rubber plates, the bottom end of the rubber plate positioned on the left side is fixedly connected with the upper surface of the supporting plate, and the bottom end of the rubber plate positioned on the right side is fixedly connected with the upper surface of the moving plate.
Preferably, the top end of the threaded rod is fixedly connected with a connecting shaft, and the top end of the connecting shaft is rotatably connected with the inner side wall of the limiting pipe.
Preferably, the front end and the rear end of the servo motor are fixedly connected with a fixing frame, and the bottom end of the fixing frame is fixedly connected with the upper surface of the supporting plate.
Preferably, the four corners of the lower surface of the supporting plate are fixedly connected with supporting columns, and the bottom ends of the supporting columns are fixedly connected with bases.
Preferably, the support post is fixedly connected with a lifting rod, and the outer side wall of the lifting rod is provided with anti-skid patterns.
(III) advantageous effects
Compared with the prior art, the invention provides an IGBT module testing device, which has the following beneficial effects:
1. this IGBT module testing arrangement, through the mutually supporting effect of movable plate, elasticity spring, slide rail, slider, baffle and crowded board, can fix the IGBT module that needs the test, through the mutually supporting effect of servo motor, axis of rotation, first gear, second gear, main shaft, spacing pipe, threaded rod, removal pipe, connecting plate, connecting block, spacing spring, the second bent plate of first bent plate, can carry out automatic regulation and control to the test element link.
2. This IGBT module testing arrangement, through the mutually supporting effect of slider and slide rail, can assist the movable plate to remove, through the effect of protection pad, can carry out certain guard action to the test element link, through the mutually supporting effect of fixed plate and extension board, can fix spacing pipe, auxiliary device makes the test element link carry out the removal from top to bottom.
Drawings
Fig. 1 and fig. 2 are schematic structural diagrams of an IGBT module testing device according to the present invention;
fig. 3 is a schematic perspective view of a regulating device of an IGBT module testing device according to the present invention;
fig. 4 is a schematic perspective view of a moving plate portion of an IGBT module testing apparatus according to the present invention.
In the figure: 1. a support plate; 2. a regulating device; 201. a limiting pipe; 202. a fixing plate; 203. a support plate; 204. a main shaft; 205. a second gear; 206. a servo motor; 207. a rotating shaft; 208. a first gear; 209. a threaded rod; 2010. moving the tube; 2011. a limiting hole; 2012. a limiting block; 2013. a connecting plate; 2014. connecting blocks; 2015. a first bent plate; 2016. a second bent plate; 2017. a limiting spring; 2018. a protection pad; 2019. a test element connection end; 2020. a connecting shaft; 2021. a fixed mount; 3. testing the display; 4. a baffle plate; 5. a placement groove; 6. a slider; 7. moving the plate; 8. an elastic spring; 9. extruding a plate; 10. a rubber plate; 11. a pillar; 12. a base; 13. lifting the rod; 14. a slide rail.
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.
Referring to fig. 1-4, the present invention provides a technical solution: an IGBT module testing device comprises a supporting plate 1, wherein four corners of the lower surface of the supporting plate 1 are fixedly connected with supporting columns 11, the bottom ends of the supporting columns 11 are fixedly connected with a base 12, the supporting columns 11 and the base 12 are matched to enable the device to be more stably fixed at a proper position, lifting rods 13 are fixedly connected to the supporting columns 11, anti-skid patterns are arranged on the outer side walls of the lifting rods 13, the lifting rods 13 can enable workers to move the device more conveniently, a regulating device 2 is fixedly connected to the middle part of the upper surface of the supporting plate 1, a testing display 3 is fixedly connected to the left end of the upper surface of the supporting plate 1, a baffle plate 4 is fixedly connected to the right end of the upper surface of the supporting plate 1, rubber plates 10 are fixedly connected to the right side of the baffle plate 4 and the left side of a squeezing plate 9, the bottom end of the rubber plate 10 on the, the rubber plate 10 can play a certain protection role for an IGBT module to be tested, the right end of a support plate 1 is provided with a placement groove 5, the inner front side wall and the inner rear side wall of the placement groove 5 are fixedly connected with slide rails 14, the inner ends of the slide rails 14 are slidably connected with slide blocks 6, a moving plate 7 is fixedly connected between the two sets of slide blocks 6, the outer side wall of the moving plate 7 is contacted with the inner side wall of the support plate 1, the front end and the rear end of the left side surface of the moving plate 7 are fixedly connected with elastic springs 8, the other end of the elastic springs 8 is fixedly connected with the left side wall of the placement groove 5, the right end of the upper surface of the moving plate 7 is fixedly connected with a squeezing plate 9, a regulating and controlling device 2 comprises two sets of limiting tubes 201, the outer side wall of each limiting tube 201 is fixedly connected with, the outer side wall of the main shaft 204 is fixedly connected with a second gear 205, the upper surface of the support plate 1 is fixedly connected with a servo motor 206, the front end and the rear end of the servo motor 206 are fixedly connected with a fixed frame 2021, the bottom end of the fixed frame 2021 is fixedly connected with the upper surface of the support plate 1, the fixed frame 2021 can enable the servo motor 206 to work more stably, the output end of the servo motor 206 is fixedly connected with a rotating shaft 207, the top end of the rotating shaft 207 is fixedly connected with a first gear 208, the front end and the rear end of the first gear 208 are respectively engaged with the two groups of second gears 205, the top end of the main shaft 204 is fixedly connected with a threaded rod 209, the top end of the threaded rod 209 is fixedly connected with a connecting shaft 2020, the top end of the connecting shaft 2020 is rotatably connected with the inner top side wall of the limiting pipe 201, the connecting shaft 2020 is rotatably connected with the, remove the equal fixedly connected with stopper 2012 of preceding lateral wall in the pipe 2010 and interior back lateral wall, stopper 2012 inner is provided with the regulation screw thread, stopper 2012 inner passes spacing hole 2011 and stretch into spacing pipe 201 inside and threaded rod 209 spiro union coupling, remove pipe 2010 right-hand member fixedly connected with connecting plate 2013, connecting plate 2013 right flank front end and the equal fixedly connected with connecting block 2014 in rear end, connecting block 2014 right-hand member rear side fixedly connected with first dog 2015, connecting block 2014 right-hand member front side rotation is connected with second dog 2016, fixedly connected with spacing spring 2017 between first dog 2015 and the second dog 2016, first dog 2015 inner and the equal fixedly connected with protection pad 2018 in second dog 2016, protection pad 2018 inner is provided with test element link 2019.
When the device is used, an operator pulls the moving plate 7 to move the moving plate 7 rightwards, an IGBT module to be tested is placed on the supporting plate 1, the operator reduces the control force on the moving plate 7, the moving plate 7 moves leftwards under the elastic action of the elastic spring 8, the IGBT module is clamped between the baffle plate 4 and the extruding plate 9, the IGBT module is further fixed, the slider 6 can move on the slide rail 14 to assist the moving plate 7 to move, meanwhile, the test element connecting end 2019 can automatically move upwards and downwards to enable the test element connecting end 2019 to be in contact with the IGBT module, the IGBT module is detected, the direct contact of the operator can be avoided, the occurrence of dangerous events can be prevented to a certain extent, the test element connecting end 2019 is in signal connection with the test display 3, the detection result can be displayed on the test display 3, start servo motor 206, servo motor 206 drives axis of rotation 207 and rotates, axis of rotation 207 drives first gear 208 and rotates, first gear 208 drives second gear 205 and rotates, and then make main shaft 204 rotate, main shaft 204 drives threaded rod 209 and rotates, stopper 2012 is connected with threaded rod 209 spiral shell dress, and spacing hole 2011 plays certain limiting displacement to stopper 2012, and then make stopper 2012 drive and remove pipe 2010 and carry out the removal from top to bottom, and then make connecting plate 2013 carry out the removal from top to bottom, clamp test element link 2019 between first bent plate 2015 and second bent plate 2016, fix it, spacing spring 2017 can assist first bent plate 2015 and second bent plate 2016 to fix test element link 2019.
In conclusion, the IGBT module testing device has the advantages that through the mutual matching action of the moving plate 7, the elastic spring 8, the slide rail 14, the slide block 6, the baffle plate 4 and the extrusion plate 9, the IGBT module to be tested can be fixed, and through the mutual matching action of the servo motor 206, the rotating shaft 207, the first gear 208, the second gear 205, the main shaft 204, the limiting pipe 201, the threaded rod 209, the moving pipe 2010, the connecting plate 2013, the connecting block 2014, the limiting spring 2017 and the second bending plate 2016 of the first bending plate 2015, the test element connecting end 2019 can be automatically regulated and controlled, and through the mutual matching action of the sliding block 6 and the sliding rail 14, the movable plate 7 can be assisted to move, the test element connecting end 2019 can be protected to a certain extent through the action of the protection pad 2018, and through the mutual matching action of the fixed plate 202 and the support plate 203, the limiting tube 201 can be fixed, and the test element connecting end 2019 can move up and down through the auxiliary device.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a IGBT module testing arrangement, includes backup pad (1), its characterized in that: the middle part of the upper surface of the supporting plate (1) is fixedly connected with a regulating device (2), the left end of the upper surface of the supporting plate (1) is fixedly connected with a test display (3), the right end of the upper surface of the supporting plate (1) is fixedly connected with a baffle (4), the right end of the supporting plate (1) is provided with a placing groove (5), the inner front side wall and the inner rear side wall of the placing groove (5) are both fixedly connected with a slide rail (14), the inner end of the slide rail (14) is connected with a slide block (6) in a sliding way, a moving plate (7) is fixedly connected between the two groups of slide blocks (6), the outer side wall of the moving plate (7) is contacted with the inner side wall of the supporting plate (1), the front end and the rear end of the left side surface of the moving plate (7) are fixedly connected with elastic springs (8), the other end of the elastic spring (8) is fixedly connected with the left side wall in the placing groove (5), and the right end of the upper surface of the moving plate (7) is fixedly connected with a squeezing plate (9).
2. The IGBT module testing apparatus according to claim 1, characterized in that: the adjusting and controlling device (2) comprises two groups of limiting tubes (201), the outer side walls of the limiting tubes (201) are fixedly connected with a fixing plate (202), four corners of the lower surface of the fixing plate (202) are fixedly connected with supporting plates (203), the lower surfaces of the supporting plates (203) are fixedly connected with the upper surface of a supporting plate (1), the bottom ends of the limiting tubes (201) are rotatably connected with a main shaft (204), the outer side wall of the main shaft (204) is fixedly connected with second gears (205), the upper surface of the supporting plate (1) is fixedly connected with a servo motor (206), the output end of the servo motor (206) is fixedly connected with a rotating shaft (207), the top end of the rotating shaft (207) is fixedly connected with a first gear (208), the front end and the rear end of the first gear (208) are respectively meshed with the two groups of second gears (205, the outer side wall of the limiting pipe (201) is provided with a movable pipe (2010), the front end and the rear end of the limiting pipe (201) are respectively provided with a limiting hole (2011), the inner front side wall and the inner rear side wall of the movable pipe (2010) are respectively and fixedly connected with a limiting block (2012), the inner end of each limiting block (2012) is provided with an adjusting thread, the inner end of each limiting block (2012) penetrates through the limiting hole (2011) and extends into the limiting pipe (201) to be connected with a threaded rod (209) in a screwing manner, the right end of the movable pipe (2010) is fixedly connected with a connecting plate (2013), the front end and the rear end of the right side face of the connecting plate (2013) are respectively and fixedly connected with a connecting block (2014), the rear side of the right end of the connecting block (2014) is fixedly connected with a first bent plate (2015), the front side of the right end of the connecting block (2014) is rotatably connected with a second bent plate (2016), the inner end of the first bent plate (2015) and the inner end of the second bent plate (2016) are fixedly connected with protection pads (2018), and test element connecting ends (2019) are arranged at the inner ends of the protection pads (2018).
3. The IGBT module testing apparatus according to claim 1, characterized in that: the rubber plate (10) is fixedly connected to the right side face of the baffle (4) and the left side face of the extrusion plate (9), the bottom end of the rubber plate (10) on the left side is fixedly connected with the upper surface of the support plate (1), and the bottom end of the rubber plate (10) on the right side is fixedly connected with the upper surface of the movable plate (7).
4. The IGBT module testing apparatus according to claim 1, characterized in that: the threaded rod (209) top fixedly connected with connecting axle (2020), the top of connecting axle (2020) and spacing pipe (201) inside top lateral wall rotate to be connected.
5. The IGBT module testing apparatus according to claim 1, characterized in that: the servo motor (206) front end and the equal fixedly connected with mount (2021) in rear end, mount (2021) bottom and backup pad (1) upper surface fixed connection.
6. The IGBT module testing apparatus according to claim 1, characterized in that: the supporting plate is characterized in that supporting columns (11) are fixedly connected to four lower surfaces of the supporting plate (1), and bases (12) are fixedly connected to the bottom ends of the supporting columns (11).
7. The IGBT module testing apparatus according to claim 1, characterized in that: the anti-skid device is characterized in that a lifting rod (13) is fixedly connected to the support column (11), and anti-skid patterns are arranged on the outer side wall of the lifting rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065915.XA CN110780177A (en) | 2019-11-04 | 2019-11-04 | IGBT module testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065915.XA CN110780177A (en) | 2019-11-04 | 2019-11-04 | IGBT module testing device |
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| Publication Number | Publication Date |
|---|---|
| CN110780177A true CN110780177A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911065915.XA Pending CN110780177A (en) | 2019-11-04 | 2019-11-04 | IGBT module testing device |
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| CN (1) | CN110780177A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208109564U (en) * | 2018-01-30 | 2018-11-16 | 厦门市焦点工程设计有限公司 | A kind of composite material special part forces testing device |
| CN209001307U (en) * | 2018-11-08 | 2019-06-18 | 苏州莱塔思光学科技有限公司 | Fixture is used in a kind of non-contact LC connector production |
| CN209184141U (en) * | 2019-01-24 | 2019-07-30 | 华北理工大学 | A kind of electromechanical equipment pipeline fixing device |
| CN209525348U (en) * | 2019-02-01 | 2019-10-22 | 唐山爱特爱油液检测有限公司 | One kind is for measuring oil liquid pH value instrument |
-
2019
- 2019-11-04 CN CN201911065915.XA patent/CN110780177A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208109564U (en) * | 2018-01-30 | 2018-11-16 | 厦门市焦点工程设计有限公司 | A kind of composite material special part forces testing device |
| CN209001307U (en) * | 2018-11-08 | 2019-06-18 | 苏州莱塔思光学科技有限公司 | Fixture is used in a kind of non-contact LC connector production |
| CN209184141U (en) * | 2019-01-24 | 2019-07-30 | 华北理工大学 | A kind of electromechanical equipment pipeline fixing device |
| CN209525348U (en) * | 2019-02-01 | 2019-10-22 | 唐山爱特爱油液检测有限公司 | One kind is for measuring oil liquid pH value instrument |
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