CN217655237U

CN217655237U - TVS device electrical property detection device

Info

Publication number: CN217655237U
Application number: CN202123394446.1U
Authority: CN
Inventors: 田伟; 廖兵; 何丽江; 于光均
Original assignee: Suzhou Dajing Semiconductor Co ltd
Current assignee: Suzhou Dajing Semiconductor Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-10-25
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a TVS device electrical property detection device, the bottom of its one of them support is installed on the base plate and is located the disc outside, the upper portion of support extends to the disc top and installs the detection instrument, be provided with a plurality of mount pad along the circumference interval on the disc, the outer periphery lower part of disc has the tooth's socket along full circumferential direction distribution, the disc outside is rotationally installed one with tooth's socket meshed gear, set up the bar groove that a plurality of and mount pad correspond on the disc upper surface, the lead screw of a radial extension of edge disc is installed to every bar inslot internal rotation, the one end and the rotation of bar groove one end inner wall of lead screw are connected, the other end of lead screw is outwards stretched out on the periphery of disc, on the lead screw and lie in bar inslot thread sleeve and be equipped with a sliding block, the mount pad is installed on the disc correspondingly. The utility model discloses finely tune the position of mount pad to the precision and the accuracy of test have been improved.

Description

TVS device electrical property detection device

Technical Field

The utility model relates to a semiconductor device tests technical field, especially relates to a TVS device electrical property detection device.

Background

Semiconductor devices are electronic devices that are electrically conductive between a good conductor and an insulator, and that use the special electrical properties of the semiconductor material to perform a specific function, and can be used to generate, control, receive, convert, amplify signals, and exchange energy. In order to ensure that the product performance is qualified, stable and reliable, the semiconductor device needs to be tested. However, in the current testing process, the situation that the position accuracy of the device is insufficient to cause detection failure exists, and the production efficiency is seriously influenced.

Disclosure of Invention

The utility model aims at providing a TVS device electrical property detection device, this TVS device electrical property detection device can guarantee to await measuring the device and be located the detection instrument under following along with the disc rotates to the detection instrument below back at the mount pad to improve the precision and the accuracy of test.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a TVS device electrical property detection device includes: the disc positioning device comprises a base plate, a disc and a detector, wherein the disc is rotatably arranged above the base plate, the detector is arranged right above the disc, the bottom of a support is arranged on the base plate and positioned on the outer side of the disc, the upper part of the support extends to the upper part of the disc and is provided with the detector, a plurality of mounting seats are arranged on the disc at intervals along the circumferential direction, tooth grooves distributed along the whole circumferential direction are formed in the lower part of the outer circumferential surface of the disc, and a gear meshed with the tooth grooves is rotatably arranged on the outer side of the disc;

the disc upper surface is provided with a plurality of bar-shaped grooves corresponding to the mounting seats, a lead screw extending along the radial direction of the disc is installed in each bar-shaped groove in a rotating mode, one end of the lead screw is rotatably connected with the inner wall of one end of each bar-shaped groove, the other end of the lead screw extends outwards from the circumferential surface of the disc, a sliding block is sleeved on the lead screw and located in each bar-shaped groove in a threaded manner, and the mounting seats are correspondingly installed on the sliding blocks.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the mount pad further includes: inside the pedestal and the grip block that 2 axisymmetrics set up of seting up the mounting groove, the respective horizontal part slidable mounting of grip block is connected with the mounting groove inside wall in the mounting groove of pedestal and through a spring that is in the extrusion state, and the respective vertical portion of grip block upwards stretches out in keeping away the position hole from opening locating the pedestal upper surface and with the mounting groove intercommunication to form a grip block that supplies the device embedding between the vertical portion of two grip blocks.

2. In the above scheme, the surface of the vertical part of the clamping block facing the clamping area is an arc-shaped surface.

3. In the scheme, the screw rod is rotationally connected with the disc through the bearing.

4. In the scheme, the strip-shaped grooves are distributed along the radial direction of the disc.

Because of the application of above-mentioned technical scheme, compared with the prior art, the utility model has the following advantage:

the utility model discloses TVS device electrical property detection device, the bar groove that a plurality of and mount pad correspond is seted up on its disc upper surface, a lead screw along disc radial extension is installed to every bar inslot internal rotation, the one end and the bar groove one end inner wall of lead screw rotate to be connected, the other end of lead screw is outwards stretched out on the periphery of disc, on the lead screw and be located bar inslot thread bush and be equipped with a sliding block, the mount pad is installed on the sliding block correspondingly, can rotate to the detection instrument below back along with the disc at the mount pad, finely tune the position of mount pad through rotatory lead screw and make the dress clamp be located the detection instrument in the mount pad under the device that awaits measuring, thereby improve the precision and the accuracy of test.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view of the structure of the present invention.

In the above drawings: 1. a substrate; 2. a disc; 3. a detector; 4. a support; 5. a mounting seat; 51. a base body; 52. a clamping block; 6. a gear; 7. a strip-shaped groove; 8. a screw rod; 9. a slider; 10. a spring.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

The invention will be further described with reference to the following examples:

example 1: a TVS device electrical property detection device includes: the detection device comprises a base plate 1, a disc 2 and a detection instrument 3, wherein the disc 2 is rotatably arranged above the base plate 1, the detection instrument 3 is arranged right above the disc 2, the bottom of a support 4 is arranged on the base plate 1 and positioned on the outer side of the disc 2, the upper part of the support 4 extends to the upper part of the disc 2 and is provided with the detection instrument 3, a plurality of mounting seats 5 are arranged on the disc 2 at intervals along the circumferential direction, tooth grooves distributed along the whole circumferential direction are formed in the lower part of the outer circumferential surface of the disc 2, and a gear 6 meshed with the tooth grooves is rotatably arranged on the outer side of the disc 2;

set up the bar groove 7 that a plurality of and mount pad 5 correspond on the 2 upper surfaces of disc, a lead screw 8 along 2 radial extensions of disc is installed to 7 internal rotations in every bar groove, and the one end and the 7 one end inner walls rotation in bar groove of lead screw 8 are connected, and the other end of lead screw 8 outwards stretches out on the periphery of disc 2, and the internal thread cover that is equipped with a sliding block 9 on the lead screw 8 and is located bar groove 7, and mount pad 5 is installed on sliding block 9 correspondingly.

The mount 5 further includes: inside offer the pedestal 51 of mounting groove and the grip block 52 that 2 axisymmetrics set up, grip block 52 respective horizontal part slidable mounting is connected in pedestal 51's mounting groove and through a spring 10 that is in the extrusion state and mounting groove inside wall, grip block 52 respective vertical portion upwards stretches out in keeping away the position hole from opening locating pedestal 51 upper surface and communicating with the mounting groove, thereby form a clamping area that supplies the device embedding between two grip block 52's vertical portion, the semiconductor device who will wait to detect inserts between two grip blocks that the symmetry set up, come to fix semiconductor device fast through the spring on the grip block, fixed efficiency has been improved.

The strip-shaped grooves 7 are distributed in the radial direction of the disc 2.

Example 2: an electrical property detection device for TVS device includes: the device comprises a substrate 1, a disc 2 which is rotatably arranged above the substrate 1 and a detector 3 which is arranged right above the disc 2, wherein the bottom of a support 4 is arranged on the substrate 1 and positioned outside the disc 2, the upper part of the support 4 extends to the upper part of the disc 2 and is provided with the detector 3, a plurality of mounting seats 5 are arranged on the disc 2 at intervals along the circumferential direction, tooth grooves which are distributed along the whole circumferential direction are formed in the lower part of the outer circumferential surface of the disc 2, and a gear 6 which is meshed with the tooth grooves is rotatably arranged outside the disc 2;

The mount 5 further includes: inside offering the pedestal 51 of mounting groove and the grip block 52 that 2 axisymmetrics set up, grip block 52 respective horizontal part slidable mounting is connected in pedestal 51's mounting groove and through a spring 10 that is in the extrusion state and mounting groove inside wall, grip block 52 respective vertical portion upwards stretches out in keeping away the position hole from opening and locating pedestal 51 upper surface and communicate with the mounting groove, thereby form a clamping area that supplies the device embedding between two grip block 52's vertical portion, the semiconductor device who will wait to detect inserts between two grip blocks that the symmetry set up, come to fix fast semiconductor device through the spring on the grip block, fixed efficiency has been improved.

The surface of the vertical portion of the clamping block 52 facing the clamping area is an arc-shaped surface.

The screw rod 8 is rotatably connected with the disc 2 through a bearing.

When adopting above-mentioned TVS device electrical property detection device, its theory of operation does: the semiconductor device to be detected is inserted into the two adjacent clamping blocks, and the semiconductor device is quickly fixed through the telescopic springs on the clamping blocks, so that the fixing efficiency is improved;

through rotating the lead screw, can drive the pedestal on the sliding block and remove, adjust its below to the detection instrument, then rotate the gear on the fixed axle, drive the rotation of disc, the below that makes semiconductor device remove the detection instrument that can be more accurate to make things convenient for next test.

A plurality of mounting seats are arranged on a disc at intervals along the circumferential direction, tooth grooves distributed along the whole circumferential direction are formed in the lower portion of the outer circumferential surface of the disc, a gear meshed with the tooth grooves is rotatably mounted on the outer side of the disc, a plurality of strip-shaped grooves corresponding to the mounting seats are formed in the upper surface of the disc, a lead screw extending along the radial direction of the disc is rotatably mounted in each strip-shaped groove, one end of the lead screw is rotatably connected with the inner wall of one end of each strip-shaped groove, the other end of the lead screw extends outwards from the circumferential surface of the disc, a sliding block is sleeved on the lead screw and located in each strip-shaped groove in a threaded manner, the mounting seats are correspondingly mounted on the sliding blocks, and after the mounting seats rotate to the position below a detecting instrument along with the disc, the lead screws are rotated to finely adjust the positions of the mounting seats, so that devices to be tested and clamped in the mounting seats are located right below the detecting instrument, and therefore the testing accuracy and precision are improved;

in addition, the respective horizontal part slidable mounting of its grip block is connected in the mounting groove of pedestal and through a spring that is in extrusion state and mounting groove inside wall, the respective vertical portion of grip block upwards stretches out in locating the pedestal upper surface and keeping away the position hole with the mounting groove intercommunication certainly to form a clamping area that supplies the device embedding between the vertical portion of two grip blocks, can realize fast to the device, stabilize the centre gripping and do not harm the device, can also effectively avoid the device to rotate the condition that the in-process takes place offset or drops at the disc, improve the efficiency and the accuracy of test.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A TVS device electrical property detection device includes: base plate (1), rotationally install disc (2) above base plate (1) and set up detecting instrument (3) directly over disc (2), the bottom of a support (4) is installed on base plate (1) and is located the disc (2) outside, the upper portion of support (4) extends to disc (2) top and installs detecting instrument (3), its characterized in that: a plurality of mounting seats (5) are arranged on the disc (2) at intervals along the circumferential direction, tooth grooves distributed along the circumferential direction are formed in the lower portion of the outer circumferential surface of the disc (2), and a gear (6) meshed with the tooth grooves is rotatably mounted on the outer side of the disc (2);

set up bar groove (7) that a plurality of and mount pad (5) correspond on disc (2) upper surface, every bar groove (7) internal rotation is installed one and is followed radial lead screw (8) that extend of disc (2), the one end and the one end inner wall rotation of bar groove (7) of lead screw (8) are connected, outwards stretch out on the other end of lead screw (8) from the periphery of disc (2), it is equipped with a sliding block (9) to go up and be located bar groove (7) internal thread cover on lead screw (8), mount pad (5) are installed on sliding block (9) correspondingly.

2. The TVS device electrical property detection apparatus of claim 1, wherein: the mount (5) further comprises: the inside pedestal (51) of seting up the mounting groove and 2 grip blocks (52) that the axisymmetric set up, the respective horizontal part slidable mounting of grip block (52) is connected with the mounting groove inside wall in the mounting groove of pedestal (51) and through a spring (10) that are in the extrusion state, the respective vertical portion of grip block (52) upwards stretches out in keeping away the position hole of locating pedestal (51) upper surface and communicating with the mounting groove certainly to form a grip block that supplies the device embedding between the vertical portion of two grip blocks (52).

3. The TVS device electrical property detection apparatus of claim 2, wherein: the surface of the vertical part of the clamping block (52) facing the clamping area is an arc-shaped surface.

4. The TVS device electrical property detection apparatus of claim 1, wherein: the screw rod (8) is rotatably connected with the disc (2) through a bearing.

5. The TVS device electrical property detection apparatus of claim 1, wherein: the strip-shaped grooves (7) are distributed along the radial direction of the disc (2).