CN214794887U

CN214794887U - Power module test fixture

Info

Publication number: CN214794887U
Application number: CN202023186059.4U
Authority: CN
Inventors: 王锦迪
Original assignee: Nanjing Hengqian Electronic Technology Co ltd
Current assignee: Nanjing Hengqian Electronic Technology Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-11-19
Anticipated expiration: 2030-12-26

Abstract

The utility model discloses a power module test fixture, which comprises a workbench, a first support frame, a second support frame, an electric telescopic rod and clamping mechanisms, wherein the first support frame and the second support frame are respectively arranged at two ends of the workbench; fixture includes the protective housing, elasticity is set up the subassembly, is set up the board, the fixed bolster bottom plate, remove and press from both sides tight apron and vertically set up the subassembly, the guiding hole has been seted up to protective housing one side, the subassembly is set up to elasticity is located in the protective housing, the subassembly is set up including setting up the guide post to elasticity, set up the board and locate on setting up the guide post, the fixed bolster bottom plate is located and is set up the board bottom, vertically set up the subassembly and locate and set up the board top, it locates and vertically sets up the subassembly below to remove to press from both sides tight apron. The utility model relates to a power test equipment technical field specifically is an extensive applicability, and the high power module test fixture of centre gripping stability.

Description

Power module test fixture

Technical Field

The utility model relates to a power test equipment technical field specifically is a power module test fixture.

Background

The power module is a power supply device that can be directly mounted on a printed circuit board, and is characterized in that the power module can provide power for an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a microprocessor, a memory, a Field Programmable Gate Array (FPGA) and other digital or analog loads, generally, such a module is called a point-of-load (POL) power supply system or a point-of-use power supply system (PUPS), and because of the great advantages of a modular structure, the module power is widely used in the communication fields of switching devices, access devices, mobile communication, microwave communication, optical transmission, routers and the like, and in automotive electronics, aerospace and the like.

In order to improve the production quality of the power module, the power module needs to be detected before a final finished product, the power module needs to be clamped and fixed by the detection clamp at first when the power module is detected, and different power modules have different sizes, so that the power module test clamp with strong universality and high clamping stability needs to be provided.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for remedying above-mentioned current defect, the utility model provides a extensive applicability, and the high power module test fixture of clamping stability.

The utility model provides a following technical scheme: the utility model relates to a power module test fixture, including workstation, support frame one, support frame two, electric telescopic handle and fixture, the workstation below is equipped with the supporting leg, support frame one and support frame two are located the workstation both ends respectively, electric telescopic handle locates support frame two inboards, fixture is equipped with two sets, and a set of fixture locates on support frame one, another set of fixture locates the electric telescopic handle free end; the clamping mechanism comprises a protective box, an elastic fastening component, a fastening plate, a fixed supporting bottom plate, a movable clamping cover plate and a longitudinal fastening component, the protective box of one group of the clamping mechanism is arranged on one supporting frame, the protective box of the other group of the clamping mechanism is arranged at the free end of the electric telescopic rod, one side of the protective box is provided with a guide hole, the elastic fastening component is arranged in the protective box and comprises a fastening guide column, the fastening guide post is arranged in the guide hole in a sliding manner, the fastening plate is arranged on the fastening guide post and is positioned outside the protective box, the fixed supporting bottom plate is arranged at the bottom end of the fastening plate, the longitudinal fastening assembly is arranged at the top end of the fastening plate, the movable clamping cover plate is arranged below the longitudinal fastening assembly, the clamping cover plate is driven to lift under the driving action of the longitudinal fastening assembly, and the clamping cover plate is matched with the fixed supporting base plate to clamp and fasten the power module.

Further, the elastic fastening assembly further comprises a fastening spring and a connecting block, the fastening spring is arranged on the inner side wall of the protective box, the connecting block is arranged on the fastening spring, the fastening guide post is arranged on the connecting block, and fastening stability of the power module can be improved under the action of the fastening spring.

Furthermore, the elastic fastening assemblies are provided with a plurality of groups, and the plurality of groups of elastic fastening assemblies are matched together to improve the support stability of the fastening plate.

Further, vertically set up the subassembly including holding case, drive shaft, drive gear, drive rack and drive knob, it locates and sets up the board upper end to hold the case, it is equipped with the slide opening to hold to correspond on roof and the diapire, the drive shaft rotates and locates and hold on the relative both sides wall of case, drive shaft one end is run through and is held the case lateral wall and extend to and hold outside the case, the drive knob is located the drive shaft and is located and holds the outer one end of case, drive gear locates in the drive shaft, the drive rack runs through the slide opening and slides and locate and hold the incasement, drive rack and drive gear meshing, it is protruding to be equipped with the block on the relative both sides wall of drive rack, it is equipped with the block recess on the incasement lateral wall to hold, the protruding block of drive rack slides and locates in the block recess, the tight apron of removal clamp locates the drive rack lower extreme.

Furthermore, a limiting plate is arranged at the upper end of the driving rack, and the diameter of the limiting plate is larger than that of the sliding hole.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the utility model relates to a power module test fixture, which realizes the clamping function of a power module by matching two groups of clamping mechanisms through the driving function of an electric telescopic rod and is suitable for clamping power modules with different sizes; in addition, the transverse stable fastening and clamping of the power module are realized through the elastic fastening assembly arranged in the clamping mechanism, and meanwhile, the longitudinal stable fastening and clamping of the power module are realized by matching with the longitudinal fastening assembly arranged in the clamping mechanism, so that the clamping stability of the power module is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of an overall structure of a power module testing jig of the present invention;

fig. 2 is the utility model relates to a power module test fixture's internal structure schematic diagram.

The device comprises a workbench, a support frame I, a support frame II, a support frame 4, an electric telescopic rod 5, a clamping mechanism 6, a support leg 7, a protective box 8, an elastic fastening assembly 9, a fastening plate 10, a fixed support bottom plate 11, a movable clamping cover plate 12, a longitudinal fastening assembly 13, a fastening guide column 14, a fastening spring 15, a connecting block 16, a containing box 17, a driving shaft 18, a driving gear 19, a driving rack 20, a driving knob 21, a clamping bulge 22 and a limiting plate.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-2, the technical scheme adopted by the utility model is as follows: a power module test fixture comprises a workbench 1, a first support frame 2, a second support frame 3, an electric telescopic rod 4 and clamping mechanisms 5, wherein support legs 6 are arranged below the workbench 1, the first support frame 2 and the second support frame 3 are respectively arranged at two ends of the workbench 1, the electric telescopic rod 4 is arranged at the inner side of the second support frame 3, the clamping mechanisms 5 are provided with two groups, one group of clamping mechanisms 5 is arranged on the first support frame 2, and the other group of clamping mechanisms 5 is arranged at the free end of the electric telescopic rod 4; the clamping mechanism 5 comprises a protective box 7, an elastic fastening component 8, a fastening plate 9, a fixed supporting bottom plate 10, a movable clamping cover plate 11 and a longitudinal fastening component 12, the protective box 7 of one group of clamping mechanism 5 is arranged on one support frame 2, the protective box 7 of the other group of clamping mechanism 5 is arranged at the free end of the electric telescopic rod 4, one side of the protective box 7 is provided with a guide hole, the elastic fastening component 8 is arranged in the protective box 7, the elastic fastening component 8 comprises a fastening guide column 13, the fastening guide column 13 is arranged in the guide hole in a sliding manner, the fastening plate 9 is arranged on the fastening guide column 13 and is positioned outside the protective box 7, the fixed supporting bottom plate 10 is arranged at the bottom end of the fastening plate 9, the longitudinal fastening component 12 is arranged at the top end of the fastening plate 9, the movable clamping cover plate 11 is arranged below the longitudinal fastening component 12, the clamping cover plate is driven to lift by the driving action of the longitudinal fastening assembly 12, and the clamping cover plate is matched with the fixed supporting base plate 10 to clamp and fasten the power supply module.

Wherein, the elastic fastening assembly 8 further comprises a fastening spring 14 and an engaging block 15, the fastening spring 14 is arranged on the inner side wall of the protective box 7, the engaging block 15 is arranged on the fastening spring 14, and the fastening guide column 13 is arranged on the engaging block 15, so that the fastening stability of the power module can be improved under the action of the fastening spring 14. The elastic fastening assemblies 8 are provided with a plurality of groups, and the elastic fastening assemblies 8 are matched together to improve the supporting stability of the fastening plate 9.

The longitudinal fastening assembly 12 comprises a containing box 16, a driving shaft 17, a driving gear 18, a driving rack 19 and a driving knob 20, the containing box 16 is arranged at the upper end of the fastening plate 9, sliding holes are correspondingly formed in the top wall and the bottom wall of the containing box 16, the driving shaft 17 is rotatably arranged on two opposite side walls of the containing box 16, one end of the driving shaft 17 penetrates through the side wall of the containing box 16 and extends out of the containing box 16, the driving knob 20 is arranged at one end, located outside the containing box 16, of the driving shaft 17, the driving gear 18 is arranged on the driving shaft 17, the driving rack 19 penetrates through the sliding holes and is slidably arranged in the containing box 16, the driving rack 19 is meshed with the driving gear 18, clamping protrusions 21 are arranged on two opposite side walls of the driving rack 19, clamping grooves are formed in the inner side wall of the containing box 16, the clamping protrusions 21 of the driving rack 19 are slidably arranged in the clamping grooves, and the movable clamping cover plate 11 is arranged at the lower end of the driving rack 19.

A limiting plate 22 is arranged at the upper end of the driving rack 19, and the diameter of the limiting plate 22 is larger than that of the sliding hole.

During specific use, according to the size of a power module, the distance between two sets of clamping mechanisms 5 is adjusted through the electric telescopic rod 4, then the power module is arranged on a fixed supporting bottom plate 10 of the two sets of clamping mechanisms 5, a driving knob 20 on the first screwing support frame 2 is screwed, a movable clamping cover plate 11 is close to the upper surface of the electric friction module, the movable clamping cover plate 11 is matched with the fixed supporting bottom plate 10 to clamp one end of the power module, then, the electric telescopic rod 4 is finely adjusted, when the other end of the power module is in contact with a fastening plate 9 of the clamping mechanisms 5 on the second support frame 3, the driving knob 20 on the second screwing support frame 3 is screwed, the movable clamping cover plate 11 is matched with the fixed supporting bottom plate 10 to clamp the other end of the power module, and stable clamping and fixing of the power module are achieved.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 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

1. The utility model provides a power module test clip which characterized in that: the clamping device comprises a workbench, a first support frame, a second support frame, an electric telescopic rod and clamping mechanisms, wherein support legs are arranged below the workbench, the first support frame and the second support frame are respectively arranged at two ends of the workbench, the electric telescopic rods are arranged at the inner sides of the second support frame, the two groups of clamping mechanisms are arranged, one group of clamping mechanisms are arranged on the first support frame, and the other group of clamping mechanisms are arranged at the free end of the electric telescopic rod; fixture includes protective housing, elasticity fastening assembly, fastening plate, fixed stay bottom plate, removal and presss from both sides tight apron and vertically fastens the subassembly, and is a set of fixture's protective housing is located on the support frame one, and another group fixture's protective housing is located the electric telescopic handle free end, the guiding hole has been seted up to protective housing one side, elasticity fastening assembly is located in the protective housing, elasticity fastening assembly is including fastening the guide post, fastening the guide post and sliding and locating in the guiding hole, fastening plate is located on fastening the guide post and is located outside the protective housing, fixed stay bottom plate is located the fastening plate bottom, vertically fasten the subassembly and locate the fastening plate top, it locates vertical fastening assembly below to remove tight apron of clamp.

2. The power module test clip of claim 1, wherein: the elastic fastening assembly further comprises a fastening spring and a joining block, the fastening spring is arranged on the inner side wall of the protective box, the joining block is arranged on the fastening spring, and the fastening guide column is arranged on the joining block.

3. The power module test clip of claim 2, wherein: the elastic fastening assembly is provided with a plurality of groups.

4. The power module test clip of claim 1, wherein: vertically set up the subassembly including holding case, drive shaft, drive gear, drive rack and drive knob, it locates fastening board upper end to hold the case, it is equipped with the slide opening to hold to correspond on roof and the diapire, the drive shaft rotates and locates and hold on the relative both sides wall of case, drive shaft one end is run through and is held the case lateral wall and extend to and hold outside the case, the drive knob is located the drive shaft and is located and holds the outer one end of case, drive gear locates in the drive shaft, the drive gear runs through the slide opening and slides and locate and hold the incasement, drive gear and drive gear meshing, it is protruding to be equipped with the block on the relative both sides wall of drive gear, it is equipped with the block recess on the incasement lateral wall to hold, the protruding block of drive gear slides and locates in the block recess, it locates the drive rack lower extreme to move the tight apron of clamp.

5. The power module test clip of claim 4, wherein: and a limiting plate is arranged at the upper end of the driving rack, and the diameter of the limiting plate is larger than that of the sliding hole.