CN223784472U

CN223784472U - A power module test fixture

Info

Publication number: CN223784472U
Application number: CN202520052768.7U
Authority: CN
Inventors: 王楠
Original assignee: Xi'an Yunte Electronic Technology Co ltd
Current assignee: Xi'an Yunte Electronic Technology Co ltd
Priority date: 2025-01-10
Filing date: 2025-01-10
Publication date: 2026-01-09
Anticipated expiration: 2035-01-10

Abstract

The utility model discloses a power module testing jig, which relates to the technical field of power module testing and comprises a test board assembly, a power module locking mechanism and a power module locking mechanism, wherein the test board assembly is used for placing a power module to be tested, the power module locking mechanism comprises a pin shaft, a swinging plate, a compression wheel, an annular anti-slip convex strip, a pin rod, a reset spring, a locking hole and a magnet, the pin shaft is fixedly arranged at the rear end of the inner side of a containing groove, the swinging plate is rotatably sleeved at the bottom of the outer side of the pin shaft through a bearing, a torsion spring is sleeved at the outer side of the pin shaft, and the torsion spring is fixedly connected between the pin shaft and the swinging plate. The utility model can carry out the operation of compressing and fixing and releasing the power module to be tested by the front surface of the test board body, is applicable to the power modules to be tested with different widths, reduces the operation difficulty and the physical expenditure of operators, and is more convenient in practical use.

Description

Power module test fixture

Technical Field

The utility model relates to the technical field of power module testing, in particular to a power module testing jig.

Background

In the production process of the power module, the functions, the power calibration, the service life and the performance of the power module are required to be tested and tested, and meanwhile, in order to improve the testing efficiency and the testing effect, related auxiliary tools are required to be used for auxiliary testing in the testing process.

Through retrieval, patent grant publication number CN 219456435U's utility model discloses a power module test fixture, including the test base platform, test base platform top surface left side is fixed with left limit platform, and test base platform top surface right side is fixed with right limit platform, and the installation breach has been seted up to left limit platform top surface, and the breach internal fixation of installation is equipped with quick test fixture, and quick test fixture includes action bars and mount pad, and mount pad top left side and right side are provided with first revolute pair and second revolute pair respectively, and first revolute pair is connected with first linkage block, is provided with the third revolute pair on the first linkage block.

However, the power module testing jig still has some defects in actual use, and obviously, when the power module is pressed and fixed and released by the rapid testing jig, the first connecting rod for controlling the rapid testing jig is positioned on the side surface of the jig, and the tester often stands on the front surface of the jig to perform testing operation, so that the operation on the first connecting rod is often inconvenient, the operation difficulty is increased, and the physical expenditure of the operator is increased.

Therefore, it is necessary to invent a power module testing jig to solve the above problems.

Disclosure of utility model

The utility model aims to provide a power module testing jig, which can be used for carrying out compressing and fixing and releasing fixing operations of a power module to be tested by the front surface of a testing table body, is applicable to the power modules to be tested with different widths, reduces the operation difficulty and the physical expenditure of operators, is more convenient in practical use, and solves the problems that the operation difficulty and the physical expenditure of the operators are increased when the power module is actually compressed and fixed and released by using a rapid testing clamp in the background technology because a first connecting rod for controlling the rapid testing clamp is positioned on the side surface of the jig and the testers stand on the front surface of the jig for testing operation.

According to one aspect of the present disclosure, a power module testing fixture is provided, comprising:

The test board assembly is used for placing the power module to be tested;

The power module locking mechanism comprises a pin shaft, a swinging plate, a compression wheel, an annular anti-slip convex strip, a pin rod, a reset spring, a locking hole and a magnet;

The pin shaft is fixedly arranged at the rear end of the inner side of the accommodating groove, the swinging plate is rotatably sleeved at the bottom of the outer side of the pin shaft through a bearing, a torsion spring is sleeved at the outer side of the pin shaft, the torsion spring is fixedly connected between the pin shaft and the swinging plate, the pressing wheel is fixedly arranged at the front end of the top of the swinging plate, a plurality of annular anti-slip convex strips are arranged at the outer side of the pressing wheel, the pin rod penetrates through the front end of the top of the swinging plate in a sliding manner along the vertical direction, the reset spring is sleeved at the outer side of the pin rod and is fixedly connected between the swinging plate and the pin rod, a plurality of locking holes and magnets are respectively arranged, the locking holes are uniformly formed in the inner side of the accommodating groove by taking the pin shaft as a center, and a plurality of magnets are respectively fixedly arranged at the inner sides of the locking holes and the bottom of the pin rod, and

The adjusting type testing mechanism is used for testing the power module to be tested.

According to at least one embodiment of the present disclosure, a power module testing jig, a test bench assembly includes a test bench body, a base and a placement groove, the base is fixedly disposed at the bottom of the test bench body, and the placement groove is disposed at the top of the test bench body.

According to the power module testing jig of at least one embodiment of the present disclosure, the test bench assembly further comprises a holding groove and an avoidance channel, the holding groove is formed in one side of the inside of the holding groove, and the holding groove is formed in the bottom of the test bench body and is communicated with the holding groove.

According to at least one embodiment of the present disclosure, the power module test fixture, adjustment formula testing mechanism includes first adjusting screw, mounting panel, guide rail and carriage, the mounting panel is provided with two, two the mounting panel passes through the bearing and rotates to cup joint and set up in first adjusting screw outside both ends and all with testboard body fixed connection, the guide rail is fixed to be set up between two mounting panels, the carriage slip cup joints and sets up in the guide rail top, the carriage cup joints and sets up in the first adjusting screw outside and with first adjusting screw threaded connection.

According to the power module testing jig of at least one embodiment of the present disclosure, the adjusting type testing mechanism further comprises a second adjusting screw, a lifting seat and a testing module, the second adjusting screw penetrates through the sliding frame in the vertical direction and is in threaded connection with the sliding frame, the lifting seat is rotatably arranged at the bottom end of the second adjusting screw through a bearing, and the testing module is detachably arranged at the bottom of the lifting seat.

The utility model has the technical effects and advantages that:

According to the utility model, the pin rod is conveniently poked to the right side after the placement of the power module to be tested is completed, at the moment, the pin rod drives the swinging plate to rotate by taking the pin shaft as the axis, the swinging plate drives the pressing wheel to synchronously rotate, so that the pressing wheel continuously approaches to the power module to be tested, when the pressing wheel drives the plurality of annular anti-slip convex strips to be attached to the side surface of the power module to be tested and matched with the inner wall of the placing groove to press the same, the pin rod is downwards pressed, the pin rod compresses the reset spring, simultaneously drives the magnet at the bottom of the pin rod to enter the adjacent locking hole to realize locking, at the moment, the magnet at the bottom of the pin rod is mutually adsorbed with the magnet in the locking hole, after the subsequent test is completed, the pin rod drives the two magnets to be separated from each other, and at the moment, under the action of the torsion spring, the swinging plate drives the pressing wheel to enter the inner side of the accommodating groove to be accommodated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a schematic overall structure of a power module test fixture according to one embodiment of the present disclosure.

Fig. 2 is a schematic diagram of a test stand assembly of a power module test fixture according to one embodiment of the present disclosure.

Fig. 3 is a schematic diagram of a power module locking mechanism and an adjustable test mechanism of a power module test fixture according to one embodiment of the present disclosure.

The reference numerals in the drawings specifically are:

1. the test bench comprises a test bench assembly, a test bench body, 12 parts of a base, 13 parts of a placing groove, 14 parts of a containing groove, 15 parts of an avoidance channel;

2. A power module locking mechanism; 21, a pin shaft, 22, a swinging plate, 23, a pinch roller, 24, an annular anti-slip convex strip, 25, a pin rod, 26, a return spring, 27, a locking hole, 28 and a magnet;

3. An adjustable test mechanism; 31, a first adjusting screw rod, 32, a mounting plate, 33, a guide rail, 34, a sliding frame, 35, a second adjusting screw rod, 36, a lifting seat, 37 and a test module.

Detailed Description

For the purposes of this description, the present disclosure may use, for example, "under" and "under". "lower", "above", "higher" and "sides (e.g., spatially relative terms, such as" in "sidewalls" and the like, may be used for ease of description to describe one element's relationship to another (other) element(s) as illustrated in the figures. In addition to the orientations depicted in the figures, spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture, such as a component described as "under" or "under" other components or features will subsequently be positioned "over" the other components or features if the device in the figures is turned over. Thus, the exemplary term "below" may encompass both an orientation of "above" and "below. Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Fig. 2 is a schematic structural view of a test bench assembly 1 of a power module test fixture according to an embodiment of the disclosure.

Fig. 3 is a schematic diagram of a power module locking mechanism 2 of a power module test fixture according to one embodiment of the present disclosure.

As shown in fig. 1-3, the power module test fixture of the present disclosure may include a test stand assembly 1, a power module locking mechanism 2, and an adjustable test mechanism 3.

As shown in fig. 2, in the present disclosure, the test bench assembly 1 includes a test bench body 11, a base 12, a placement groove 13, a receiving groove 14 and an avoidance channel 15, wherein the base 12 is fixedly disposed at the bottom of the test bench body 11, the placement groove 13 is disposed at the top of the test bench body 11, the receiving groove 14 is disposed at one side inside the placement groove 13, and the receiving groove 14 is disposed at the bottom of the test bench body 11 and is communicated with the placement groove 13.

From this to utilize standing groove 13 to place to be surveyed power module, utilize holding tank 14 to accomodate power module locking mechanical system 2, standing groove 13 can also cooperate power module locking mechanical system 2 to compress tightly fixedly to be surveyed power module simultaneously.

As shown in fig. 3, in a preferred embodiment, the power module locking mechanism 2 includes a pin 21, a swinging plate 22, a pressing wheel 23, an annular anti-slip raised strip 24, a pin 25, a return spring 26, a locking hole 27 and a magnet 28, wherein the pin 21 is fixedly disposed at the rear end of the inner side of the accommodating groove 14, the swinging plate 22 is rotatably sleeved at the bottom of the outer side of the pin 21 through a bearing, a torsion spring is sleeved at the outer side of the pin 21, the torsion spring is fixedly connected between the pin 21 and the swinging plate 22, the pressing wheel 23 is fixedly disposed at the front end of the top of the swinging plate 22, the annular anti-slip raised strip 24 is provided with a plurality of annular anti-slip raised strips 24, the pin 25 is uniformly fixedly disposed at the outer side of the pressing wheel 23, the pin 25 is vertically slidably disposed through the front end of the top of the swinging plate 22, the return spring 26 is fixedly connected between the swinging plate 22 and the pin 25, the locking hole 27 and the magnet 28 are provided with a plurality of locking holes 27 are uniformly disposed at the inner side of the pin 21, the inner side of the pin 21 is uniformly disposed in the accommodating groove 13, and the plurality of locking holes 27 are respectively disposed at the bottom ends of the pins 25.

From this to after accomplishing the placing of power module that awaits measuring, stir the pin 25 to the right side, the pin 25 drives the swinging plate 22 and uses round pin axle 21 to rotate as the axle center this moment, drive pinch roller 23 synchronous rotation when swinging plate 22 rotates, and then make pinch roller 23 continuously be close to power module that awaits measuring, when pinch roller 23 drive a plurality of annular antiskid sand grip 24 laminating in power module side that awaits measuring and cooperation standing groove 13 inner wall compress against it, press down pin 25, pin 25 compresses return spring 26, the magnet 28 that drives its bottom enters into adjacent locking hole 27 simultaneously and realizes the locking, the magnet 28 of pin 25 bottom and the inside magnet 28 of this locking hole 27 each other adsorb this moment, after the follow-up test is accomplished, upwards draw pin 25, the drive two magnets 28 of pin 25 break away from each other, this moment, under the effect of torsional spring, swing plate 22 drive pinch roller 23 is taken in the holding groove 14 inboard and is accomodate, compare in the holding groove 13 inner wall by the test bench body 11, can be by the test bench body 11 openly to await measuring the degree of difficulty of power module and remove fixed operation, and can be applicable to different width, and the power module that awaits measuring is more convenient for the actual power consumption of operation personnel.

As shown in fig. 3, in the present disclosure, the adjustable test mechanism 3 includes a first adjusting screw 31, a mounting plate 32, a guide rail 33, a sliding frame 34, a second adjusting screw 35, a lifting seat 36 and a test module 37, wherein the mounting plate 32 is provided with two, the two mounting plates 32 are rotatably sleeved at two ends of the outer side of the first adjusting screw 31 through bearings and are fixedly connected with the test bench body 11, the guide rail 33 is fixedly arranged between the two mounting plates 32, the sliding frame 34 is slidably sleeved at the top of the guide rail 33, the sliding frame 34 is sleeved at the outer side of the first adjusting screw 31 and is in threaded connection with the first adjusting screw 31, the second adjusting screw 35 penetrates through the sliding frame 34 in the vertical direction and is in threaded connection with the sliding frame 34, the lifting seat 36 is rotatably arranged at the bottom end of the second adjusting screw 35 through bearings, and the test module 37 is detachably arranged at the bottom of the lifting seat 36.

Therefore, the first adjusting screw 31 is rotated, the first adjusting screw 31 rotates and then drives the sliding frame 34 to slide along the guide rail 33, the position of the test module 37 is adjusted, the second adjusting screw 35 is rotated, the lifting seat 36 limited by the two guide rods is driven to continuously move downwards when the second adjusting screw 35 rotates, and the test module 37 is driven to synchronously move downwards when the lifting seat 36 moves downwards until the test module 37 is connected with the power module to be tested.

It should be further noted that the test module 37 belongs to the technology disclosed in the prior art, and does not belong to the essential technical features of the present application, so the specific structure of the test module 37 will not be described herein.

It should be further noted that what is not described in detail in the present specification belongs to the prior art known to those skilled in the art.

It will be appreciated by those skilled in the art that the above-described embodiments are merely for clarity of illustration of the disclosure, and are not intended to limit the scope of the disclosure. Other variations or modifications will be apparent to persons skilled in the art from the foregoing disclosure, and such variations or modifications are intended to be within the scope of the present disclosure.

Claims

1. A power module test fixture, characterized by includes:

The test board assembly is used for placing the power module to be tested;

2. The power module testing jig of claim 1, wherein the test bench assembly comprises a test bench body, a base and a placement groove, wherein the base is fixedly arranged at the bottom of the test bench body, and the placement groove is arranged at the top of the test bench body.

3. The power module testing jig of claim 2, wherein the test bench assembly further comprises a containing groove and an avoidance channel, the containing groove is formed in one side of the inside of the placement groove, and the containing groove is formed in the bottom of the test bench body and is communicated with the placement groove.

4. The power module testing jig according to claim 3, wherein the adjusting type testing mechanism comprises a first adjusting screw, two mounting plates, a guide rail and a sliding frame, the two mounting plates are rotatably sleeved on two ends of the outer side of the first adjusting screw through bearings and are fixedly connected with the testing table body, the guide rail is fixedly arranged between the two mounting plates, the sliding frame is slidably sleeved on the top of the guide rail, and the sliding frame is sleeved on the outer side of the first adjusting screw and is in threaded connection with the first adjusting screw.

5. The power module testing jig according to claim 4, wherein the adjusting type testing mechanism further comprises a second adjusting screw rod, a lifting seat and a testing module, the second adjusting screw rod penetrates through the sliding frame in the vertical direction and is in threaded connection with the sliding frame, the lifting seat is rotatably arranged at the bottom end of the second adjusting screw rod through a bearing, and the testing module is detachably arranged at the bottom of the lifting seat.