Aging seat for IPM module test

Abstract

The utility model provides an aging seat used for an IPM module test, comprising a pedestal, the pedestal is rectangular in overlook observation, and two cavities are formed on two sides of the pedestal along the length direction; the first movable block and the second movable block are arranged in the two cavities respectively, and the first movable block and the second movable block can move back and forth in the corresponding cavities in the length direction; a plurality of first electrode clamps and a plurality of second electrode clamps, the plurality of first electrode clamps and the plurality of second electrode clamps are respectively arranged according to a preset layout, the first electrode clamps are arranged in the cavity of the first movable block, and the second electrode clamps are arranged in the cavity of the second movable block; the clamping mechanism is used for clamping a pin of the IPM module to be aged and is electrically connected with the testing mechanism; and the cover body is arranged on the upper side of the base, a plurality of insertion holes for the pins to be inserted are formed in the cover body, and the layout of the insertion holes is in one-to-one correspondence with the layout of the first electrode clamp and the second electrode clamp.

Description

TECHNICAL FIELD

[0001] The utility model relates to IPM production field especially, and relates to a kind of ageing seat for IPM module test. BACKGROUND

[0002] IPM module is integrated with circuit or some components etc., in power-on use, these components are prone to ageing, and then influence the life of IPM module, therefore, in actual production, IPM module needs to be tested. When testing, large current needs to be input, and the ageing condition of IPM module is observed regularly.

[0003] The existing ageing seat can only support the test of one kind of IPM module or electronic component, and special ageing seat is needed for different IPM modules or electronic components, which increases the use cost. UTILITY MODEL CONTENT

[0004] The utility model mainly aims at providing a kind of ageing seat for IPM module test, to solve the above technical problem.

[0005] To achieve the above purpose, the utility model adopts the technical scheme that a kind of ageing seat for IPM module test includes:

[0006] Base, when observing from above, the base is rectangular, and two cavities are formed on the base along the length direction of two sides;

[0007] First movable block and second movable block are respectively arranged in two cavities, and the first movable block and second movable block can move back and forth along the length direction in corresponding cavity;

[0008] Multiple first electrode clamps and multiple second electrode clamps are respectively arranged according to predetermined layout, the first electrode clamp is arranged in the cavity of first movable block, and the second electrode clamp is arranged in the cavity of second movable block, for clamping the pin of IPM module to be aged and being electrically connected with test mechanism;

[0009] Cover, arranged on the upper side of base, multiple insertion holes for pin insertion are arranged on it, and the layout of insertion hole corresponds to the layout of first electrode clamp and second electrode clamp one by one.

[0010] Preferably, each of the first electrode clips comprises an electrically-conductive block and an electrically-conductive spring, the electrically-conductive block and the electrically-conductive spring are arranged along the length direction and have a gap therebetween for placing the pin of the IPM module to be detected, and the electrically-conductive spring is farther away from the second electrode clip than the electrically-conductive block, the electrically-conductive block and the electrically-conductive spring are fixed on the base and extend out of the lower surface of the base for connecting the testing mechanism, the electrically-conductive block and the electrically-conductive spring are both electrically-conductive, the electrically-conductive spring has a certain elasticity, and the upper end of the electrically-conductive spring is inserted into the corresponding insertion hole.

[0011] Preferably, a first through hole is arranged on the first movable block at a position corresponding to each of the first electrode clips, and the upper end of the first electrode clip passes through the first through hole; when the first movable block moves along the length direction, the electrically-conductive spring can be pushed to move towards the electrically-conductive block, thereby clamping the pin between the electrically-conductive spring and the electrically-conductive block.

[0012] Preferably, the second electrode clip is in an inverted h shape with the opening facing upwards, is fixed on the base, and the lower end extends out of the base; a second through hole is arranged on the second movable block at a position corresponding to each of the second electrode clips, and the upper end of the second electrode clip extends out of the second through hole upwards.

[0013] Preferably, as viewed from above, mounting notches are arranged on the base and the cover along both sides of the length direction, the aging seat further comprises two operation handles, one end of each of the operation handles is located in the corresponding mounting notch and is rotatably connected to the base through a rotating shaft, and the operation handle can move back and forth between a first position and a second position; the operation handle is in a plate shape and has a thickness at the end close to the rotating shaft that is greater than a thickness at the end away from the rotating shaft, as viewed along the axis direction of the rotating shaft, the two ends of the operation handle are in a circular arc shape; at least one reset spring is arranged in each of the cavities, the reset spring is located on the side opposite to the corresponding first movable block or second movable block relative to the corresponding operation handle, one end of the reset spring abuts against the side wall of the cavity, and the other end abuts against the corresponding first movable block or second movable block, and the reset spring is always in a compressed state to make the first movable block or the second movable block always abut against the corresponding operation handle, when the operation handle is rotated, the operation handle can push the corresponding first movable block or second movable block to move in a direction away from the corresponding rotating shaft to make the first movable block or the second movable block push the first electrode clip or the second electrode clip to clamp the pin.

[0014] Preferably, when the operation handle is in the first position, the operation handle is in a vertical state, at this time, the first electrode clip and the second electrode clip are in a loosened state; when the operation handle is in the second position, the operation handle is in a horizontal state, at this time, the first electrode clip and the second electrode clip are in a clamped state.

[0015] Preferably, a positioning plane is arranged at the end of the operating handle matched with the first movable block or the second movable block, and the positioning plane is matched with the corresponding first movable block or second movable block when the operating handle is in the second position, so that the operating handle is kept in the second position and the first electrode clamp and the second electrode clamp are kept in the clamping state when the operating handle is not subjected to external force.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1) The aging seat of the utility model has a plurality of insertion holes, which can be designed in advance according to requirements to meet the detection requirements of a plurality of IPM modules.

[0018] 2) The first electrode clamp of the utility model adopts a split design of the conductive block and the conductive sheet, so that the conductive block is designed to be larger in size and can be applied to a larger current scene. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective view of the utility model;

[0020] Figure 2 is a structural view of the utility model without a cover body;

[0021] Figure 3 is a structural view of the bottom of the utility model;

[0022] Figure 4 is a structural view of the utility model without a cover body and a movable block;

[0023] Figure 5 is a structural view of the first electrode clamp;

[0024] Figure 6 is a structural view of the second electrode clamp;

[0025] Figure 7 is a sectional view. DETAILED DESCRIPTION

[0026] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art.

[0027] An aging seat for IPM module testing, comprising a base 1 and a cover 2, the base 1 is rectangular in plan view, two cavities are formed on the two lengthwise sides of the base 1, a first movable block 31 and a second movable block 32 are respectively arranged in the two cavities, and the first movable block 31 and the second movable block 32 can move back and forth along the length direction in the corresponding cavities. The aging seat further comprises a plurality of first electrode clamps 4 and a plurality of second electrode clamps 5, which are arranged according to a predetermined layout, the first electrode clamps 4 are arranged in the cavity of the first movable block 31, and the second electrode clamps 5 are arranged in the cavity of the second movable block 32. Each first electrode clamp 4 comprises a conductive block 41 and a conductive spring 42, the conductive block 41 and the conductive spring 42 are arranged along the length direction and have a certain gap between them for placing the pins of the IPM module to be tested, and the conductive spring 42 is farther away from the second electrode clamp 5 than the conductive block 41. The conductive spring 42 and the conductive block 41 are fixed on the base 1 and protrude from the lower surface of the base 1 for connecting the testing mechanism.

[0028] A first perforation 302 is arranged on the first movable block 31 at a position corresponding to each first electrode clamp 4, and the upper end of the first electrode clamp 4 passes through the first perforation 302. When the first movable block 31 moves along the length direction, the conductive spring 42 can be pushed to move towards the conductive block 41, thereby clamping the pins between the conductive spring 42 and the conductive block 41. The conductive spring 42 has a certain elasticity.

[0029] The second electrode clamp 5 is in an inverted h shape with the opening facing upwards, and is fixed on the base 1 with the lower end protruding from the base 1. A second perforation 303 is arranged on the second movable block 32 at a position corresponding to each second electrode clamp 5, and the upper end of the second electrode clamp 5 protrudes upwards from the second perforation 303.

[0030] An insertion hole 201 is arranged on the cover 2 at a position corresponding to each first electrode clamp 4 and second electrode clamp 5, and the conductive spring 42 and the upper end of the second electrode clamp 5 are inserted into the insertion hole 201. The pins of the IPM module to be tested are inserted into the corresponding insertion hole 201.

[0031] The base 1 and the cover 2 are provided with mounting notches on both sides along the length direction when viewed from the top, and the aging seat further comprises two operation handles 3, one end of each operation handle 3 is located in the corresponding mounting notch and is rotationally connected with the base 1 through a rotating shaft, and the operation handle 3 can move back and forth between a first position and a second position. The operation handle 3 is plate-shaped, and the thickness of the end close to the rotating shaft is greater than the thickness of the end away from the rotating shaft, and the two ends of the operation handle 3 are circular arc-shaped when viewed along the axis direction of the rotating shaft. At least one reset spring (not shown) is arranged in each cavity, the reset spring is located on the side opposite to the corresponding operation handle 3 relative to the corresponding first movable block 31 or second movable block 32, one end of the reset spring abuts against the side wall of the cavity, the other end abuts against the corresponding first movable block 31 or second movable block 32, and the reset spring is always in a compressed state to make the first movable block 31 or second movable block 32 always abut against the corresponding operation handle 3, when the operation handle 3 is rotated, the operation handle 3 can push the corresponding first movable block 31 or second movable block 32 to move away from the corresponding rotating shaft to make the first movable block 31 or second movable block 32 push the first electrode clamp 4 or second electrode clamp 5 to clamp the pin.

[0032] When the operation handle 3 is located at the first position, the operation handle 3 is vertical, at this time, the first electrode clamp 4 and the second electrode clamp 5 are in a loosened state; when the operation handle 3 is located at the second position, the operation handle 3 is horizontal, at this time, the first electrode clamp 4 and the second electrode clamp 5 are in a clamped state. A positioning plane is arranged at the end of the operation handle 3 matched with the first movable block 31 or second movable block 32, when the operation handle 3 is located at the second position, the positioning plane just matches with the corresponding first movable block 31 or second movable block 32, at this time, the operation handle 3 will always remain at the second position when not subjected to external force, and the first electrode clamp 4 and the second electrode clamp 5 always remain in the clamped state.

[0033] In the test, the pin of the IPM module is inserted into the corresponding insertion hole 201, the operation handle 3 is operated to move the operation handle 3 to the second position, and the operation handle 3 pushes the first movable block 31 and second movable block 32 to move in the direction of clamping the pin of the first electrode clamp 4 and second electrode clamp 5; the lower end of the first electrode clamp 4 and second electrode clamp 5 is electrically connected to the test mechanism, and then the test mechanism tests the IPM module, and the specific test method is not the protection content of the utility model, and the prior art can be adopted.

[0034] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. An aging socket for IPM module testing, characterized by, The utility model relates to an IPM module aging device, comprising: a base, which is rectangular in plan view, two cavities being formed on both sides of the base along the length direction; a first movable block and a second movable block, which are respectively arranged in the two cavities and can move back and forth along the length direction in the corresponding cavity; a first electrode clamp and a second electrode clamp, each of which has at least one, the first electrode clamp and the second electrode clamp being arranged according to a predetermined layout, the first electrode clamp being arranged in the cavity of the first movable block, and the second electrode clamp being arranged in the cavity of the second movable block, for clamping the pins of the IPM module to be aged and electrically connecting with the testing mechanism; a cover arranged on the upper side of the base, a plurality of insertion holes being arranged on the cover for the pins to be inserted, the layout of the insertion holes corresponding to the layout of the first electrode clamp and the second electrode clamp one by one.

2. The burn-in board for testing IPM modules according to claim 1, wherein, Each of the first electrode clamps comprises a conductive block and a conductive spring, the conductive block and the conductive spring being arranged along the length direction and having a certain gap between them for placing the pins of the IPM module to be tested, and the conductive spring being farther away from the second electrode clamp than the conductive block, the conductive block and the conductive spring being fixed on the base and extending from the lower surface of the base for connecting the testing mechanism, the conductive block and the conductive spring being both conductive, the conductive spring having a certain elasticity, and the upper end of the conductive spring being inserted into the corresponding insertion hole.

3. The burn-in board for testing IPM modules according to claim 2, wherein, A first through hole is arranged on the first movable block at the position corresponding to each of the first electrode clamps, the upper end of the first electrode clamp passing through the first through hole, and when the first movable block moves along the length direction, the conductive spring can be pushed to move towards the conductive block, so as to clamp the pins between the conductive spring and the conductive block.

4. The burn-in board for testing IPM modules according to claim 3, wherein, The second electrode clamp is in the shape of an inverted h, with the opening facing upwards, and is fixed on the base, with the lower end extending out of the base; a second through hole is arranged on the second movable block at the position corresponding to each of the second electrode clamps, and the upper end of the second electrode clamp extends out of the second through hole upwards.

5. The burn-in board for testing IPM modules according to claim 4, wherein, The aging seat further comprises two operation handles, one end of each operation handle is located in the corresponding mounting gap and is rotatably connected with the base through a rotating shaft, and the operation handle can move back and forth between a first position and a second position; the operation handle is plate-shaped, and the thickness of the end close to the rotating shaft is greater than the thickness of the end away from the rotating shaft, and the two ends of the operation handle are in arc shape when viewed along the axis direction of the rotating shaft; at least one reset spring is arranged in each cavity, the reset spring is located on the side opposite to the corresponding operation handle relative to the corresponding first movable block or second movable block, one end of the reset spring abuts against the side wall of the cavity, the other end abuts against the corresponding first movable block or second movable block, and the reset spring is always in a compressed state to make the first movable block or second movable block always abut against the corresponding operation handle, when the operation handle is rotated, the operation handle can push the corresponding first movable block or second movable block to move away from the corresponding rotating shaft to make the first movable block or second movable block push the first electrode clamp or second electrode clamp to clamp the pin.

6. The burn-in board for testing IPM modules according to claim 5, wherein, When the operation handle is located at the first position, the operation handle is in a vertical state, and at this time, the first electrode clamp and the second electrode clamp are in a loosened state; when the operation handle is located at the second position, the operation handle is in a horizontal state, and at this time, the first electrode clamp and the second electrode clamp are in a clamped state.

7. The burn-in board for testing IPM modules according to claim 6, wherein, A positioning plane is arranged at the end of the operation handle matched with the first movable block or second movable block, when the operation handle is located at the second position, the positioning plane just matches with the corresponding first movable block or second movable block, at this time, the operation handle always remains at the second position when not subjected to external force, and the first electrode clamp and the second electrode clamp always remain in the clamped state.

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