CN203217021U

CN203217021U - Adjustable testing device

Info

Publication number: CN203217021U
Application number: CN 201320247253
Authority: CN
Inventors: 赵冬; 周锦源; 夏良兵; 高杰
Original assignee: JIANGSU APT SEMICONDUCTOR CO Ltd
Current assignee: Jiangsu Yangjie Semiconductor Co ltd
Priority date: 2013-05-06
Filing date: 2013-05-06
Publication date: 2013-09-25
Anticipated expiration: 2023-05-06

Abstract

An adjustable testing device. Provided is an adjustable testing device with simple structure, and capable of adapting to different modules and increasing test efficiency. The testing device is arranged on a clamp rack and comprises an elevating mechanism and an elastic test assembly. The elevating mechanism is arranged a top board of the clamp rack; the elastic test assembly is movably arranged between the top board and a base board of the clamp rack through the elevating mechanism; the elastic test assembly comprises elastic copper columns, locating pieces and an adjusting plate; the adjusting plate is provided with at least one chute; and the elastic copper columns are movably arranged in the chutes through the locating pieces. The utility model substantially improves test efficiency, reduces failure caused by sudden shedding in the test, and can realize good connection with other externally connected apparatuses (e.g. pneumatic, temperature controller) to carry out further function reinforcement.

Description

Adjustable proving installation

Technical field

The utility model relates to the power semiconductor modular field tests, relates in particular to adjustable proving installation.

Background technology

At present in the electric semiconductor application, the range of application of module more and more widely, type of module is also more and more, before dispatching from the factory, power model must carry out various test and the fail-tests of dispatching from the factory, yet because the profile kind of module is a lot, proving installation of the prior art is to adopt manual operations substantially, though the result is simple, versatility is good, have following problem: one, testing efficiency is low; Two, the stable testing coefficient is too low; Three, during live testing, in case test clip and module electrodes to be measured come off, then can cause damage of product, situation seriously can be damaged the tester.

The utility model content

The utility model is at above problem, provide a kind of simple in structure, can adapt to disparate modules, improve the adjustable proving installation of testing efficiency.

The technical solution of the utility model is: described proving installation is located on the fixture stand, described proving installation comprises elevating mechanism and flexibility test assembly, described elevating mechanism is located on the top board of described fixture stand, and described flexibility test assembly is actively installed between the top board and base plate of described fixture stand by described elevating mechanism; Described flexibility test assembly comprises sprung copper post, locating piece and adjustable plate, and described adjustable plate is provided with at least one chute, and described sprung copper post is actively installed in the described chute by described locating piece.

Described sprung copper post comprises pillar, spring and has the copper post on chassis, described pillar lower central is provided with up-small and down-big shoulder hole, the bottom surface of described pillar is provided with boss, and the fit end face of described pillar of described boss is provided with shoulder hole up big and down small and that center line is consistent;

Described copper post middle part has flange, and described spring housing is located on the described copper post and contacts described flange end face;

The cylinder of described copper post is suitable with the small stair hole of the small stair hole of described pillar and boss respectively, and the big stepped hole of described spring and described pillar is suitable, and the big stepped hole of described flange and described copper post is suitable,

Described copper post is movably connected in the shoulder hole of the shoulder hole of described pillar and boss by described spring.

Described elevating mechanism comprises pneumatic shuttle, transmission shaft and locating outer frame, and described pneumatic shuttle is fixedly connected on the described top board, and described transmission shaft flexibly connects described pneumatic shuttle and with respect to the activity of described base plate VTOL (vertical take off and landing); The bottom of the fixedly connected described transmission shaft of described locating outer frame, the described adjustable plate described locating outer frame that removably connects.

Described flexibility test assembly also comprises positioning base, and described positioning base is located on the described base plate and is corresponding with described locating outer frame.

The utility model has improved the backward form of manual test in the prior art, provides a kind of compatibility good automatic testing equipment, drives the realization of flexibility test assembly to the test function of power model by elevating mechanism.The flexibility test assembly is made up of sprung copper post, locating piece and adjustable plate, replaces general clip to link to each other with module to be measured by the sprung copper post, makes full contact; By regulating the position of locating piece in the adjustable plate chute, can satisfy the test request to dissimilar products (lead-in wire/contact position difference).The utility model has improved testing efficiency greatly, reduced in the test owing to the inefficacy that comes off suddenly and produce, and can well be connected with the realization of other external device (as pneumatic, temperature controller etc.), carry out further function intensified.

Description of drawings

Fig. 1 is structural representation of the present utility model,

Fig. 2 is the left view of Fig. 1,

Fig. 3 is the structural representation of test suite in the utility model,

Fig. 4 is the structural representation of adjustable plate in the utility model,

Fig. 5 is the perspective view of Fig. 4,

Fig. 6 is the structural representation of locating piece in the utility model,

Fig. 7 is the combination synoptic diagram of locating piece and adjustable plate in the utility model,

Fig. 8 is the structural representation of sprung copper post in the utility model,

Fig. 9 is perspective view of the present utility model;

1 is elevating mechanism among the figure, the 11st, and pneumatic shuttle, the 12nd, transmission shaft, the 13rd, locating outer frame, the 2nd, fixture stand, the 21st, top board, the 22nd, base plate,

The 3rd, the flexibility test assembly, the 31st, the sprung copper post, the 311st, pillar, the 3110th, shoulder hole, the 312nd, the copper post, the 3120th, the chassis, the 3121st, flange, the 313rd, spring, the 314th, boss,

The 32nd, locating piece, the 321st, through hole, the 322nd, pin-and-hole one,

The 33rd, adjustable plate, the 331st, chute, the 332nd, pin-and-hole two, 4th, positioning base.

Embodiment

The utility model is shown in Fig. 1-9, described proving installation is located on the fixture stand 2, described proving installation comprises elevating mechanism 1 and flexibility test assembly 3, described elevating mechanism 1 is located on the top board 21 of described fixture stand 2, and described flexibility test assembly 3 is actively installed between the top board 21 and base plate 22 of described fixture stand 2 by described elevating mechanism 1; Described flexibility test assembly 3 comprises sprung copper post 31, locating piece 32 and adjustable plate 33, described adjustable plate 33 is provided with at least one chute 331, described sprung copper post 31 is actively installed in the described chute 331 by described locating piece 32, replace general clip that equipment is linked to each other with module to be measured by sprung copper post 31, can make full contact; Can satisfy the test request of dissimilar products by regulating the position of locating piece 32 in the chute 331 of adjustable plate 33.

In the practical application, locating piece 32 and adjustable plate 33 are connected by pin, and locating piece 32 is provided with through hole 321 and pin-and-hole 1, is provided with pin-and-hole 2 332 in the chute 331 of adjustable plate 33, and pin-and-hole 1 is consistent with the diameter of pin-and-hole 2 332.

Described sprung copper post 31 comprises pillar 311, spring 313 and has the copper post 312 on chassis 3120, and pillar 311 is suitable with the through hole 321 on the locating piece 32, and both realize connecting; Described pillar 311 lower central are provided with up-small and down-big shoulder hole 3110, and the bottom surface of described pillar 311 is provided with boss 314, and the end face that described boss 314 is fitted described pillar 311 is provided with shoulder hole up big and down small and that center line is consistent,

In actual applications, boss 314 is connected the bottom surface of adjustable plate 33, and locating piece 32 is connected in the chute 331 of adjustable plate 33, makes pillar 311 in the process that adjustable plate 33 rises, descends, and relative fixed is connected on the adjustable plate 33;

Described copper post 312 middle parts have flange 3121, and described spring 313 is set on the described copper post 312 and contacts described flange 3121 end faces;

The cylinder of described copper post 312 is suitable with the small stair hole of the small stair hole of described pillar 311 and boss 314 respectively, and described spring 313 is suitable with the big stepped hole of described pillar 311, and described flange 3121 is suitable with the big stepped hole of described copper post 312,

Described copper post 312 is movably connected in the shoulder hole of the shoulder hole 3110 of described pillar 311 and boss 314 by described spring 313.

Described elevating mechanism 1 comprises pneumatic shuttle 11, transmission shaft 12 and locating outer frame 13, described pneumatic shuttle 11 is fixedly connected on the described top board 21, described transmission shaft 12 flexibly connects described pneumatic shuttle 11 and with respect to described base plate 22 VTOL (vertical take off and landing) activities, has disk and nut to control lifting travel respectively in lower end and the upper end of transmission shaft 12; The bottom of described locating outer frame 13 fixedly connected described transmission shafts 12, the described adjustable plate 33 described locating outer frame 13 that removably connects.

Described flexibility test assembly 3 also comprises positioning base 4, and described positioning base 4 is located on the described base plate 22 and is corresponding with described locating outer frame 13, connects module to be measured, reliability of positioning height by positioning base 4.

At adjustable plate 33 3 copper posts are set and satisfy same the test between the module different units, do not need each change external circuit, improved testing efficiency greatly.

Claims

1. adjustable proving installation, described proving installation is located on the fixture stand, it is characterized in that, described proving installation comprises elevating mechanism and flexibility test assembly, described elevating mechanism is located on the top board of described fixture stand, and described flexibility test assembly is actively installed between the top board and base plate of described fixture stand by described elevating mechanism; Described flexibility test assembly comprises sprung copper post, locating piece and adjustable plate, and described adjustable plate is provided with at least one chute, and described sprung copper post is actively installed in the described chute by described locating piece.

2. adjustable proving installation according to claim 1, it is characterized in that, described sprung copper post comprises pillar, spring and has the copper post on chassis, described pillar lower central is provided with up-small and down-big shoulder hole, the bottom surface of described pillar is provided with boss, and the fit end face of described pillar of described boss is provided with shoulder hole up big and down small and that center line is consistent;

3. adjustable proving installation according to claim 1 and 2, it is characterized in that, described elevating mechanism comprises pneumatic shuttle, transmission shaft and locating outer frame, described pneumatic shuttle is fixedly connected on the described top board, and described transmission shaft flexibly connects described pneumatic shuttle and with respect to the activity of described base plate VTOL (vertical take off and landing); The bottom of the fixedly connected described transmission shaft of described locating outer frame, the described adjustable plate described locating outer frame that removably connects.

4. adjustable proving installation according to claim 3 is characterized in that, described flexibility test assembly also comprises positioning base, and described positioning base is located on the described base plate and is corresponding with described locating outer frame.