CN220671575U - IGBT module testing device - Google Patents
IGBT module testing device Download PDFInfo
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- CN220671575U CN220671575U CN202322158908.2U CN202322158908U CN220671575U CN 220671575 U CN220671575 U CN 220671575U CN 202322158908 U CN202322158908 U CN 202322158908U CN 220671575 U CN220671575 U CN 220671575U
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 230000033001 locomotion Effects 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 19
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000011056 performance test Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 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
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses an IGBT module testing device, which comprises a frame body and a testing board, and further comprises: the pushing mechanism is arranged on the frame body and used for pushing the test plate to perform linear motion in the vertical direction; the positioning mechanism is arranged on the frame body and used for positioning the IGBT module; the positioning mechanism comprises a box body, a guide rod, an elastic piece A, a pushing assembly A and a pushing assembly B, wherein the box body is fixedly connected with the guide rod in sliding fit with the frame body, the elastic piece A is fixedly connected with the box body and the frame body, and the pushing assembly A and the pushing assembly B are both arranged on the box body; the utility model can carry out positioning treatment on the IGBT modules of different types and can replace the detection plate according to the IGBT modules of different types, thereby realizing the technical effect of carrying out electrical performance test on the IGBT modules of different types.
Description
Technical Field
The utility model belongs to the technical field of testing devices, and particularly relates to an IGBT module testing device.
Background
After the IGBT is packaged, the module needs to be tested for electrical performance, and because the IGBT packages are various, different test jigs are usually designed for different electrical structures and package types, so that the electrical performance of each chip in the module can be effectively evaluated.
At present, when the IGBT module is tested, one IGBT module is basically adopted to correspond to one testing device, and according to different application requirements of products, tens of hundreds of products can be designed and produced generally, and a large number of testing devices bring huge workload to future maintenance and influence on the detection working efficiency.
An IGBT module testing device capable of positioning IGBT modules of different models and replacing a test board according to the IGBT module model is proposed.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an IGBT module testing device, which solves the problems.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the IGBT module testing device comprises a frame body and a testing board, and further comprises:
the pushing mechanism is arranged on the frame body and used for pushing the test plate to perform linear motion in the vertical direction; and
the positioning mechanism is arranged on the frame body and used for positioning the IGBT module;
the positioning mechanism comprises a box body, a guide rod, an elastic piece A, a pushing assembly A and a pushing assembly B, wherein the box body is fixedly connected with the guide rod in sliding fit with the frame body, the elastic piece A is fixedly connected with the box body and the frame body, and the pushing assembly A and the pushing assembly B are both installed on the box body.
Based on the technical scheme, the utility model also provides the following optional technical schemes:
the technical scheme is as follows: the pushing assembly A comprises a pushing frame, a screw rod, a transmission pair, a rotating shaft and a motor, wherein the pushing frame is in threaded connection with the screw rod which is rotationally connected to the box body, the pushing frame is in sliding fit with the box body, the screw rod is in transmission connection with the rotating shaft which is rotationally connected to the box body through the transmission pair, and the rotating shaft is connected with an output shaft of the motor which is detachably connected to the box body through a coupler.
The technical scheme is as follows: the transmission pair comprises a worm wheel and a worm, the worm wheel is sleeved on the screw rod and fixedly connected with the screw rod, the worm is sleeved on the rotating shaft and fixedly connected with the rotating shaft, and the worm wheel is meshed with the worm.
The technical scheme is as follows: the transmission pair comprises a belt wheel A, a belt wheel B and a transmission rope, wherein the belt wheel A is sleeved on the rotating shaft and fixedly connected with the rotating shaft, the belt wheel B is sleeved on the screw rod and fixedly connected with the screw rod, the belt wheel A is in transmission connection with the belt wheel B through the transmission rope, and the transmission rope is in a shape in the air.
The technical scheme is as follows: the pushing assembly B comprises a pressing plate and a linear motion piece A, wherein the pressing plate and the linear motion piece A are symmetrically arranged on the box body and are in sliding fit with the box body, and the linear motion piece A is fixedly connected with the pressing plate and the box body.
The technical scheme is as follows: the pushing mechanism comprises a linear moving part B, a mounting plate, a screw rod and a screw cap, wherein the linear moving part B is embedded in the frame body and fixedly connected with the frame body, the output end of the linear moving part B is fixedly connected with the mounting plate, the screw rod is in threaded connection with the test plate, and the screw rod penetrates through the mounting plate and is limited and connected to the mounting plate through the screw cap in threaded connection with the screw rod.
The technical scheme is as follows: the elastic piece A is a spring, a pressure spring or an elastic steel plate.
The linear moving part A is any one of an electric telescopic rod, an air cylinder and a hydraulic cylinder.
Advantageous effects
Compared with the prior art, the IGBT module testing device provided by the utility model has the following beneficial effects:
1. the utility model can carry out positioning treatment on the IGBT modules of different types and can replace the detection plate according to the IGBT modules of different types, thereby realizing the technical effect of carrying out electrical performance test on the IGBT modules of different types.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present utility model.
Fig. 2 is a schematic structural view of the pushing mechanism of the present utility model.
Fig. 3 is a schematic structural view of the positioning mechanism of the present utility model.
Reference numerals annotate: 1. a frame body; 2. a test board; 3. a positioning mechanism; 301. a case; 302. a guide rod; 303. an elastic member A; 304. pushing the assembly A; 3041. pushing a frame; 3042. a screw rod; 3043. a transmission pair; 3044. a rotating shaft; 3045. a motor; 305. pushing the component B; 3051. a pressing plate; 3052. a linear motion member A; 4. a pushing mechanism; 401. a linear motion member B; 402. a mounting plate; 403. a screw; 404. and (5) a screw cap.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 3, in an embodiment of the present utility model, an IGBT module testing device includes a frame 1 and a testing board 2, and further includes:
the pushing mechanism 4 is arranged on the frame body 1 and is used for pushing the test plate 2 to perform linear motion in the vertical direction; and
the positioning mechanism 3 is arranged on the frame body 1 and is used for positioning the IGBT module;
the positioning mechanism 3 comprises a box 301, a guide rod 302, an elastic piece A303, a pushing component A304 and a pushing component B305, wherein the box 301 is fixedly connected with the guide rod 302 in sliding fit with the frame 1, the elastic piece A303 is fixedly connected with the box 301 and the frame 1, and the pushing component A304 and the pushing component B305 are both installed on the box 301.
Specifically, the pushing assembly a304 includes a pushing frame 3041, a screw rod 3042, a driving pair 3043, a rotating shaft 3044, and a motor 3045, where the pushing frame 3041 is in threaded connection with the screw rod 3042 rotatably connected to the case 301, the pushing frame 3041 is in sliding fit with the case 301, the screw rod 3042 is in driving connection with the rotating shaft 3044 rotatably connected to the case 301 through the driving pair 3043, and the rotating shaft 3044 is connected with an output shaft of the motor 3045 detachably connected to the case 301 through a coupling. The motor 3045 output shaft drives the rotating shaft 3044 to rotate horizontally through the coupler, the rotating shaft 3044 drives the screw rod 3042 to synchronously rotate through the driving pair 3043, the screw rod 3042 pushes two pushing frames 3041 which are in threaded connection with the screw rod 3042 to perform linear movement in opposite directions of movement in the horizontal direction along the box 301, and the two pushing frames 3041 which perform opposite directions of movement in the horizontal direction perform positioning in one direction by pressing one direction of the IGBT module.
Specifically, the driving pair 3043 includes a worm wheel (not shown) and a worm (not shown), the worm wheel is sleeved on the screw rod 3042 and fixedly connected with the screw rod 3042, the worm wheel is sleeved on the rotating shaft 3044 and fixedly connected with the rotating shaft 3044, and the worm wheel is meshed with the worm. The rotation shaft 3044 which performs the rotation motion in the horizontal direction can drive the worm fixedly connected with the rotation shaft 3044 to perform the synchronous rotation, the worm drives the screw 3042 to perform the rotation motion of which the rotation shaft is perpendicular to the rotation shaft 3044 rotation shaft in the horizontal direction through the worm wheel meshed with the worm, and the purpose of the arrangement is that the rotation motion of the rotation shaft 3044 is converted into the rotation motion of the screw 3042 in the horizontal direction.
As an alternative scheme of the driving pair 3043, the driving pair 3043 includes a pulley a, a pulley B, and a driving rope, where the pulley a is sleeved on the rotating shaft 3044 and is fixedly connected with the rotating shaft 3044, the pulley B is sleeved on the screw rod 3042 and is fixedly connected with the screw rod 3042, and the pulley a is in driving connection with the pulley B through the driving rope, and the driving rope is in an 8 shape in the air. The elastic piece A3033 can drive the belt pulley A fixedly connected with the elastic piece A to synchronously rotate, and the belt pulley A drives the belt pulley B fixedly connected to the screw rod 3042 to rotate in the horizontal direction through a driving rope, so that the technical effect of driving the screw rod 3042 to rotate in the horizontal direction is realized, namely, the rotation of the speaking rotating shaft 3044 is converted into the rotation of the screw rod 3042.
In particular, the elastic member a303 is a spring, and it should be understood by those skilled in the art that the purpose of this arrangement is to elastically support the case 301, so that in some embodiments, the guide rod 302 may also be configured as a compression spring or an elastic steel plate.
Specifically, the motor 3045 is detachably connected to the housing 301 through a bolt assembly, and one skilled in the art will recognize that the purpose of this arrangement is to define the motor 3045 to the housing 301, so that in some embodiments, the motor 3045 may also be defined to the housing 301 by a snap fit or fixedly connected to the housing 301 by welding.
As an alternative scheme of the pushing component a304, the pushing component a304 includes two linear moving members C and two pressing plates, the output end of the linear moving member C is fixedly connected with the pressing plates slidably disposed on the box 301, the linear moving member C is fixedly connected with the box 301, where the linear moving member C is any one of an electric telescopic rod, a hydraulic rod and a cylinder, and a related technician can drive the two pressing plates correspondingly connected with the linear moving member C to perform linear movement with opposite movement directions in a horizontal direction by two modes of starting the linear moving member C, so as to implement positioning processing on one direction of the IGBT module.
Specifically, the pushing assembly B305 includes a pressing plate 3051 and a linear moving member a3052, where the pressing plate 3051 is symmetrically disposed on the case 301 and is slidably engaged with the case 301, and the linear moving member a3052 is fixedly connected with the pressing plate 3051 and the case 301. The two linear moving members a3052 respectively push the pressing plates 3051 fixedly connected with the two linear moving members a3052 to perform linear movement, and the two pressing plates 3051 are pushed by the linear moving members a3052 fixedly connected with the two linear moving members a3052 to perform linear movement in the opposite direction of the horizontal direction movement, so that the IGBT module is pressed against, and the technical effect of positioning the other direction (the direction is perpendicular to the positioning direction of the pushing assembly a 304) of the IGBT module is achieved.
Specifically, the linear motion member a is any one of an electric telescopic rod, an air cylinder, and a hydraulic cylinder.
Specifically, the pushing mechanism 4 includes a linear moving member B401, a mounting plate 402, a screw 403, and a nut 404, where the linear moving member B401 is embedded in the frame 1 and is fixedly connected with the frame 1, an output end of the linear moving member B401 is fixedly connected with the mounting plate 402, the screw 403 is in threaded connection with the test board 2, and the screw 403 penetrates through the mounting plate 402 and is connected to the mounting plate 402 by the nut 404 in threaded connection therewith. Test board 2 can be dismantled through screw 403 cooperation nut 404 and connect on mounting panel 402, and the relevant technician in later stage of being convenient for changes test board 2 according to the model of IGBT module, and linear motion piece B401 can carry out the mode of linear meeting motion in the vertical direction through push-and-pull mounting panel 402 simultaneously, inserts in the IGBT module with the probe of installing on test board 2, carries out test processing to the IGBT module.
Specifically, probes matched with the IGBT modules are mounted on the test board 2, and the test board 2 is electrically connected with external control equipment.
Specifically, the linear motion member B401 is an electric telescopic rod, and it should be understood by those skilled in the art that the purpose of this arrangement is to push the linear motion member B401 to perform linear motion in the vertical direction with respect to the frame 1, so in some embodiments, the linear motion member B401 may also be configured as any one of a cylinder or a hydraulic lever.
In the embodiment of the utility model, the output shaft of the motor 3045 can drive the rotating shaft 3044 to rotate horizontally through the coupling, the rotating shaft 3044 drives the screw rod 3042 to synchronously rotate through the driving pair 3043, the screw rod 3042 pushes two pushing frames 3041 in threaded connection with the screw rod 3041 to perform linear movement in opposite directions along the horizontal direction of the box 301, the two pushing frames 3041 in opposite directions of movement perform positioning in one direction by pushing and pressing one direction of the IGBT module, meanwhile, the two linear moving members A3052 respectively push the pressing plates 3051 fixedly connected with the two pressing plates 3051 to perform linear movement in opposite directions, the two pressing plates 3051 are pushed by the linear moving members A3052 fixedly connected with the two pressing plates to perform linear movement in opposite directions of movement in the horizontal direction, so that the IGBT module is pressed, and after the positioning of the IGBT module is completed, the linear moving members B401 drive and detach the test plate 2 connected to the mounting plate 402 to perform vertical direction of the test plate 2 through the pushing and pressing plate 402, and the probe is inserted into the test plate 2, and the electrical performance of the IGBT module is realized.
It should be noted that in this document, relational terms such as a and B, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an IGBT module testing arrangement, includes support body and test board, its characterized in that still includes:
the pushing mechanism is arranged on the frame body and used for pushing the test plate to perform linear motion in the vertical direction; and
the positioning mechanism is arranged on the frame body and used for positioning the IGBT module;
the positioning mechanism comprises a box body, a guide rod, an elastic piece A, a pushing assembly A and a pushing assembly B, wherein the box body is fixedly connected with the guide rod in sliding fit with the frame body, the elastic piece A is fixedly connected with the box body and the frame body, and the pushing assembly A and the pushing assembly B are both installed on the box body.
2. The IGBT module testing device according to claim 1, wherein the pushing assembly a includes a pushing frame, a screw rod, a transmission pair, a rotating shaft, and a motor, the pushing frame is in threaded connection with the screw rod rotatably connected to the case, the pushing frame is in sliding fit with the case, the screw rod is in transmission connection with the rotating shaft rotatably connected to the case through the transmission pair, and the rotating shaft is connected with an output shaft of the motor detachably connected to the case through a coupling.
3. The IGBT module testing device according to claim 2, wherein the transmission pair includes a worm wheel and a worm, the worm wheel is sleeved on the screw rod and fixedly connected with the screw rod, the worm is sleeved on the rotating shaft and fixedly connected with the rotating shaft, and the worm wheel is meshed with the worm.
4. The IGBT module testing device according to claim 2, wherein the transmission pair includes a pulley a, a pulley B, and a transmission rope, the pulley a is sleeved on the rotating shaft and fixedly connected with the rotating shaft, the pulley B is sleeved on the screw rod and fixedly connected with the screw rod, the pulley a is in transmission connection with the pulley B through the transmission rope, and the transmission rope is in a shape in the air at this time.
5. The IGBT module testing device according to claim 1, wherein the pushing assembly B includes a pressing plate and a linear moving member a, the two pressing plates are symmetrically disposed on the case and are both slidably engaged with the case, and the linear moving member a is fixedly connected with the pressing plate and the case.
6. The IGBT module testing device according to claim 1, wherein the pushing mechanism includes a linear motion member B, a mounting plate, a screw rod, and a nut, the linear motion member B is embedded in the frame body and fixedly connected to the frame body, an output end of the linear motion member B is fixedly connected to the mounting plate, the screw rod is in threaded connection with the test plate, and the screw rod penetrates through the mounting plate and is defined and connected to the mounting plate by the nut in threaded connection therewith.
7. The IGBT module testing device of claim 1 wherein the elastic member a is a spring, a compression spring, or an elastic steel plate.
8. The IGBT module testing device according to claim 5, wherein the linear motion member a is any one of an electric telescopic rod, a cylinder, and a hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322158908.2U CN220671575U (en) | 2023-08-10 | 2023-08-10 | IGBT module testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322158908.2U CN220671575U (en) | 2023-08-10 | 2023-08-10 | IGBT module testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220671575U true CN220671575U (en) | 2024-03-26 |
Family
ID=90335884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322158908.2U Active CN220671575U (en) | 2023-08-10 | 2023-08-10 | IGBT module testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220671575U (en) |
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2023
- 2023-08-10 CN CN202322158908.2U patent/CN220671575U/en active Active
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