CN212965341U

CN212965341U - Test tool for power module test system

Info

Publication number: CN212965341U
Application number: CN202021392498.8U
Authority: CN
Inventors: 吴建时
Original assignee: Nanjing Dahan Electric Appliance Co ltd
Current assignee: Nanjing Dahan Electric Appliance Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-04-13
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a test fixture for power module test system relates to power module technical field, can not carry out the problem tested to multiple power module for solving current test fixture. The utility model discloses a probe box, including truss, operation board, clamp plate, slide rail, clamp plate, cylinder, depression bar, probe box, operation board, regulation board, slide rail and clamp plate sliding connection, the lower extreme of cylinder, the depression bar is installed to the lower extreme of clamp plate, the operation board is installed to the front end of junction box, the both sides of truss are all installed and are adjusted and place the board, adjust and place the board and run through the truss, and the truss places board sliding connection with the regulation, the power module has been placed to the upper end of adjusting and placing the board, the clamp plate is installed to power module's top, the slide rail is installed to the inboard of truss, and slide rail and clamp plate sliding connection, the cylinder is installed to the centre of truss upper end.

Description

Test tool for power module test system

Technical Field

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

Background

The power is the device that converts the energy of other forms into the electric energy, along with the development of social science and technology, electronic equipment is more and more filling our life, and most electronic equipment all is equipped with direct towards power and stand-by power, and stand-by power is mostly power module, and people use power module more, also more and more high to the demand of power module's performance, and power module manufacture factory all need test behind the department of production power module, also guarantees power module's performance.

However, the existing test tool cannot test various power modules, so that the existing requirements are not met, and therefore the test tool for the power module test system is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a test fixture for power module test system to solve the problem that the current test fixture who proposes can not test multiple power module in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the test tool for the power module test system comprises a truss, wherein a junction box is installed at the lower end of the truss, an operation plate is installed at the front end of the junction box, adjusting placing plates are installed on two sides of the truss and penetrate through the truss, the truss is in sliding connection with the adjusting placing plates, a power module is placed at the upper end of the adjusting placing plates, a pressing plate is installed above the power module, a sliding rail is installed on the inner side of the truss and is in sliding connection with the pressing plate, an air cylinder is installed in the middle of the upper end of the truss, the lower end of the air cylinder is fixedly connected with the pressing plate, a pressing rod is installed at the lower end of the pressing plate, a probe box is installed at the upper end of the junction box, a plurality of through holes are formed in the upper end of the probe box, a plurality of probes are installed in the probe box and are embedded in the, the CCD camera is installed to the upper end of probe case, the lower extreme of probe is provided with wiring portion, the curb plate is installed to one side of probe, miniature step motor is installed to the inboard of curb plate, miniature lead screw is installed to miniature step motor's one end, the outside of miniature lead screw is provided with the transmission cover, transmission cover and probe fixed connection, and transmission cover and miniature lead screw threaded connection.

Preferably, the lower end of the pressure lever is provided with an anti-skidding soft cushion, and a buffer spring is arranged between the upper end of the pressure lever and the pressure plate.

Preferably, the compression bar is connected with the anti-skidding cushion in a gluing mode, and the buffer spring is connected with the compression bar and the pressing plate through screws.

Preferably, the truss is connected with the cylinder through screws.

Preferably, the number of the pressing rods is three.

Preferably, one end of the micro screw rod is connected with the probe box through a bearing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a CCD camera carries out visual positioning to power module, monitors the position of each measurement station, and when testing, the probe of steerable measurement station below rises and the measurement station contact, realizes the test action, can all advance line location fast to the power module who has different measurement stations, can test multiple power module.

2. The utility model discloses a with every probe all independently be provided with miniature elevating system, the miniature lead screw that drives by five millimeters is rotated, makes the driving sleeve drive the probe and is axial motion along the through-hole, realizes the lift of probe, and the vision positioning mechanism that the cooperation CCD camera constitutes uses and accomplishes quick location, and it is more convenient to use.

Drawings

Fig. 1 is a front view of a testing tool for a power module testing system according to the present invention;

FIG. 2 is a top view of the probe box of the present invention;

fig. 3 is a schematic structural diagram of the probe box of the present invention;

fig. 4 is a partial enlarged view of the region a of the present invention.

In the figure: 1. a truss; 2. adjusting the placing plate; 3. a power supply module; 4. pressing a plate; 5. a slide rail; 6. a cylinder; 7. a pressure lever; 8. an anti-slip soft cushion; 9. a buffer spring; 10. a probe box; 11. a junction box; 12. an operation panel; 13. a CCD camera; 14. a through hole; 15. a probe; 16. a wiring portion; 17. a side plate; 18. a micro stepping motor; 19. a micro lead screw; 20. a transmission sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, the present invention provides an embodiment: a test tool for a power module test system comprises a truss 1, a junction box 11 is installed at the lower end of the truss 1, an operation board 12 is installed at the front end of the junction box 11, adjusting placing boards 2 are installed on two sides of the truss 1, the adjusting placing boards 2 penetrate through the truss 1, the truss 1 is in sliding connection with the adjusting placing boards 2, a power module 3 is placed at the upper end of the adjusting placing boards 2, the adjusting placing boards 2 are adjusted according to the size of the power module 3, the power module 3 is placed at the upper end of the adjusting placing boards 2, a pressing board 4 is installed above the power module 3, a sliding rail 5 is installed on the inner side of the truss 1, the sliding rail 5 is in sliding connection with the pressing board 4, an air cylinder 6 is installed in the middle of the upper end of the truss 1, the lower end of the air cylinder 6 is fixedly connected with the pressing board 4, a pressing rod 7 is installed at the lower end of the pressing board 4, the pressing board, the upper end of the junction box 11 is provided with a probe box 10, the upper end of the probe box 10 is provided with a plurality of through holes 14, the inside of the probe box 10 is provided with a plurality of probes 15, the probes 15 are embedded into the through holes 14, the through holes 14 are connected with the probes 15 in a sliding manner, the upper end of the probe box 10 is provided with a CCD camera 13, the CCD camera 13 visually locates measuring points of the power module 3 and monitors the positions of the measuring points, the lower end of the probe 15 is provided with a junction part 16, one side of the probe 15 is provided with a side plate 17, the inner side of the side plate 17 is provided with a micro stepping motor 18, one end of the micro stepping motor 18 is provided with a micro lead screw 19, the outside of the micro lead screw 19 is provided with a transmission sleeve 20, the transmission sleeve 20 is fixedly connected with the probe 15, the transmission sleeve 20 is connected with the micro lead screw 19 in a threaded manner, the micro stepping motor 18 with five millimeters drives the micro lead screw 19, the elevation of the probe 15 is realized.

Further, the lower extreme of depression bar 7 is provided with anti-skidding cushion 8, installs buffer spring 9 between the upper end of depression bar 7 and clamp plate 4, and anti-skidding cushion 8 increases the contact friction between depression bar 7 and the power module 3, and buffer spring 9 can carry out the shock attenuation buffering, avoids the packing force too big to cause the damage to power module 3.

Furthermore, depression bar 7 is connected with 8 cementing of antiskid cushion, has good leakproofness, insulating nature and anticorrosive nature, and buffer spring 9 all passes through the screw connection with depression bar 7 and clamp plate 4, and the connected mode is simple convenient.

Furthermore, the truss 1 is connected with the cylinder 6 through screws, so that the connection mode is simple and the maintenance is facilitated.

Further, the three pressure rods 7 are arranged, so that the power module 3 is uniformly pressurized, and the pressure is more stable.

Further, one end of the micro screw rod 19 is connected with the probe box 10 through a bearing, so that the micro screw rod 19 can rotate relative to the probe box 10.

The working principle is as follows: when the device is used, the adjusting placing plate 2 is adjusted according to the size of the power supply module 3, the power supply module 3 is placed at the upper end of the adjusting placing plate 2, the air cylinder 6 works to drive the pressing plate 4 to move downwards along the sliding rail 5, the pressing rod 7 at the lower end of the pressing plate 4 is in contact with the power supply module 3 to limit the position of the pressing rod, the anti-skid soft cushion 8 increases the contact friction force between the pressing rod 7 and the power supply module 3, the buffer spring 9 can perform shock absorption and buffering to avoid damage to the power supply module 3 due to overlarge pressing force, the CCD camera 13 performs visual positioning on measuring points of the power supply module 3 to monitor the positions of the measuring points, as each probe 15 is independently provided with a micro lifting mechanism, the probe 15 below the measuring points can be controlled to independently lift up to be in contact with the measuring points during testing, testing action is realized, the five-millimeter micro stepping motor 18 drives the micro screw rod 19 to rotate, the lifting of the probe 15 is realized, the CCD camera 13 is used in cooperation with the lifting mechanism for visual positioning, the power supply modules 3 with different measuring points can be quickly positioned, and various power supply modules 3 can be tested.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A test fixture for power module test system, including truss (1), its characterized in that: the wiring box (11) is installed at the lower end of the truss (1), the operating plate (12) is installed at the front end of the wiring box (11), the adjusting and placing plate (2) is installed on the two sides of the truss (1), the adjusting and placing plate (2) penetrates through the truss (1), the truss (1) and the adjusting and placing plate (2) are in sliding connection, the adjusting and placing plate (2) is placed at the upper end of the power module (3), the pressing plate (4) is installed above the power module (3), the sliding rail (5) is installed on the inner side of the truss (1), the sliding rail (5) is in sliding connection with the pressing plate (4), the air cylinder (6) is installed in the middle of the upper end of the truss (1), the air cylinder (6) is fixedly connected with the pressing plate (4), the pressing rod (7) is installed at the lower end of the pressing plate (4), the probe box (10) is installed at the, the upper end of probe case (10) is provided with a plurality of through-holes (14), the internally mounted of probe case (10) has a plurality of probes (15), and inside of probe (15) embedding through-hole (14), and through-hole (14) and probe (15) sliding connection, CCD camera (13) are installed to the upper end of probe case (10), the lower extreme of probe (15) is provided with wiring portion (16), curb plate (17) are installed to one side of probe (15), miniature step motor (18) are installed to the inboard of curb plate (17), miniature lead screw (19) are installed to the one end of miniature step motor (18), the outside of miniature lead screw (19) is provided with transmission cover (20), transmission cover (20) and probe (15) fixed connection, and transmission cover (20) and miniature lead screw (19) threaded connection.

2. The test tool for the power module test system according to claim 1, wherein: the lower end of the pressure lever (7) is provided with an anti-skidding soft cushion (8), and a buffer spring (9) is arranged between the upper end of the pressure lever (7) and the pressure plate (4).

3. The test tool for the power module test system according to claim 2, wherein: the pressing rod (7) is connected with the anti-skidding cushion (8) in a splicing manner, and the buffer spring (9) is connected with the pressing rod (7) and the pressing plate (4) through screws.

4. The test tool for the power module test system according to claim 1, wherein: the truss (1) is connected with the cylinder (6) through screws.

5. The test tool for the power module test system according to claim 1, wherein: the number of the compression bars (7) is three.

6. The test tool for the power module test system according to claim 1, wherein: one end of the micro screw rod (19) is connected with the probe box (10) through a bearing.