CN115015597A

CN115015597A - Elastic sheet pin testing module

Info

Publication number: CN115015597A
Application number: CN202210667684.5A
Authority: CN
Inventors: 丁崇亮; 井高飞; 付盼红
Original assignee: Weinan Muwang Intelligent Technology Co ltd
Current assignee: Weinan Muwang Intelligent Technology Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-06

Abstract

The invention discloses a spring sheet needle testing module which comprises an assembling die base body, wherein a first cavity is arranged in the assembling die base body, and a plurality of spring sheet needles are arranged in the first cavity; the upper end of the assembling die base body is provided with an upper cover, the lower end of the assembling die base body is provided with a lower cover, the upper end needle points of the plurality of spring piece needles sequentially extend out of the assembling die base body and the upper cover, and the lower end needle points of the plurality of spring piece needles sequentially extend out of the assembling die base body and the lower cover. This shell fragment needle test module has solved the problem that current probe module exists and is difficult to carry out the booth apart from the test.

Description

Elastic sheet pin testing module

Technical Field

The invention belongs to the technical field of semiconductor detection, and particularly relates to a spring pin testing module.

Background

A BTB connector, i.e., a board-to-board connector, is a high-precision multi-contact connector used for connecting a main board and an FPC (flexible circuit board) inside an electronic device. Generally, a BTB connector has a female socket and a male socket, the female socket is connected to a PCB (printed circuit board) main board, and the male socket is electrically connected to a FPC or other components, so as to electrically connect the PCB and the FPC or other components.

At present, a test of a BTB connector is generally carried out by a test probe module, a probe is contacted with a connector contact during the test to realize the test, but the probe is generally composed of three or four parts, so that the conditions of high impedance, unstable electric signal transmission and short service life are easily caused in the test process, the test result is influenced, and the misjudgment is caused; and the probes are generally arranged in a straight line mode when being arranged in the module, in order to meet the impedance requirement, the probes with the same effective cross section have larger diameters than the elastic sheets, the occupied space of the module is correspondingly increased, and the small-distance test requirement cannot be met.

Disclosure of Invention

The invention aims to provide a spring pin testing module, which solves the problem that the existing probe module is difficult to test at a small interval.

In order to achieve the purpose, the invention adopts the technical scheme that: a spring sheet pin testing module comprises an assembling die base body, wherein a first cavity is arranged in the assembling die base body, and a plurality of spring sheet pins are arranged in the first cavity; the upper end of the assembling die base body is provided with an upper cover, the lower end of the assembling die base body is provided with a lower cover, the upper end needle points of the plurality of spring piece needles sequentially extend out of the assembling die base body and the upper cover, and the lower end needle points of the plurality of spring piece needles sequentially extend out of the assembling die base body and the lower cover.

As a preferred technical solution of the present invention, the upper cover and the lower cover are respectively fixed on the assembling die base by bolts.

As a preferred technical solution of the present invention, a second cavity is disposed in the assembly mold base, a plurality of spring sheet needles are mounted in the second cavity, upper end needle points of the plurality of spring sheet needles sequentially extend from the assembly mold base and the upper cover, and lower end needle points of the plurality of spring sheet needles sequentially extend from the assembly mold base and the lower cover.

As a preferred technical scheme of the invention, a ceramic plate is arranged between two adjacent shrapnel needles.

As a preferable technical solution of the present invention, the number of the needle points at the upper end of the bullet piece needle is one, and the number of the needle points at the lower end of the bullet piece needle is two.

As a preferred technical solution of the present invention, an installation seat is disposed in the assembly mold seat body, two double-headed probes are disposed in the installation seat, and two ends of each double-headed probe respectively extend out of the upper cover and the lower cover.

As a preferable technical solution of the present invention, a plurality of locking grooves are disposed on inner sides of the first cavity and the second cavity.

The invention has the beneficial effects that: (1) according to the spring pin test module, test data transmission is stable, a small-distance BTB connector can be tested, and the impedance consistency, stability and test service life in the test are higher than those of the existing test mode; (2) according to the spring plate pin testing module, the spring plate pins are designed in a front-back crossed two-row mode, compared with the single-row in-line spring plate design, the double-row crossed arrangement mode designed by the invention is superior to the single-row design with a single-row in-line structure, and the thickness of the spring plate can be increased as much as possible when the spring plate is designed through crossing, so that the service life of the spring plate is prolonged, and the impedance of the spring plate is reduced; (3) according to the spring plate needle test module, the detachable ceramic plates are designed among the spring plates, so that the assembly is convenient and simple; (4) according to the elastic sheet pin test module, the detachable ceramic sheet is made of a ceramic material, the insulativity and the high temperature resistance of the detachable ceramic sheet are superior to those of a common plastic insulating sheet, the service life of the elastic sheet is long, the limit can reach more than 50 ten thousand times, the impedance consistency of the elastic sheet is superior to that of a test probe, the test stability and the service life of the elastic sheet module are higher than those of the test probe module, and the material use cost is saved; (5) according to the spring plate pin testing module, the inner plane of the upper cover is higher than the upper ends of the probes and the spring plates, so that the probes and the spring plates can be protected, and the effect of preventing damage can be achieved.

Drawings

The accompanying drawings, which 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 do not limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a pogo pin testing module according to the present invention;

FIG. 2 is an exploded view of a first perspective of a pogo pin testing module according to the present invention;

FIG. 3 is an exploded view of a second perspective of a pogo pin testing module according to the present invention;

FIG. 4 is an exploded view of a third perspective of a pogo pin testing module according to the present invention;

fig. 5 is a schematic structural diagram of a probe in the pogo pin testing module according to the present invention.

In the figure: 1. the method comprises the steps of assembling a die base body, 2. a spring sheet needle, 201. an upper end needle point, 202. a lower end needle point, 3. a lower cover, 4. an upper cover, 5. a double-head probe, 6. a ceramic sheet, 7. a first cavity, 8. a second cavity, 9. a mounting seat and 10. a bolt.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 1 to 5, the pogo pin testing module of the present invention includes an assembly mold base 1, wherein a first cavity 7 is disposed in the assembly mold base 1, and a plurality of pogo pins 2 are mounted in the first cavity 7; an upper cover 4 is arranged at the upper end of the assembly mold base body 1, a lower cover 3 is arranged at the lower end of the assembly mold base body 1, the upper end needle points 201 of the plurality of spring piece needles 2 sequentially extend out of the assembly mold base body 1 and the upper cover 4, and the lower end needle points 202 of the plurality of spring piece needles 2 sequentially extend out of the assembly mold base body 1 and the lower cover 3.

During assembly, a plurality of the projectile needles 2 are firstly assembled in the first cavity 7 in the assembly die base 1, then the upper cover 4 and the lower cover 3 are respectively assembled at the upper end and the lower end of the assembly die base 1, and the upper end needle points 201 and the lower end needle points 202 of the projectile needles 2 are ensured to respectively extend out of the holes on the upper cover 4 and the lower cover 3.

When the device is used, the lower end needle point 201 of the elastic sheet needle 2 is in contact with a test product test point, the upper end needle point 201 of the elastic sheet needle 2 is in contact with a sensor, when the module is wholly pressed down, conduction test is carried out, and test data transmission is finished.

As shown in fig. 1, in the pogo pin testing module of the present invention, the upper cover 4 and the lower cover 3 are respectively fixed on the assembly mold base 1 by bolts 10, so that they are convenient to assemble and disassemble.

As shown in fig. 1, in the pogo pin testing module of the present invention, a second cavity 8 is disposed in an assembly mold base 1, a plurality of pogo pins 2 are mounted in the second cavity 8, upper end tips of the plurality of pogo pins 2 sequentially extend from the assembly mold base 1 and an upper cover 4, and lower end tips 202 of the plurality of pogo pins 2 sequentially extend from the assembly mold base 1 and a lower cover 3.

A plurality of spring plate needles 2 are installed in the second cavity 8, so that the test contact area can be increased, and the small-distance dense-point test is further adapted.

As shown in fig. 3, in the pogo pin testing module of the present invention, a ceramic sheet 6 is disposed between two adjacent pogo pins (2).

The detachable ceramic sheet is made of ceramic material, the insulativity and high temperature resistance are superior to those of common plastic insulating sheets, and the elastic sheet has long service life

As shown in fig. 5, in the pogo pin testing module of the present invention, there are one upper end needlepoint 201 of the pogo pin 2 and two lower end needlepoints 202 of the pogo pin 2. Different tabbing needles 2 may be used in a staggered arrangement.

As shown in fig. 4, in the pogo pin testing module of the present invention, a mounting seat 9 is disposed in an assembly mold seat body 1, two double-headed probes 5 are disposed in the mounting seat 9, and two ends of each double-headed probe 5 respectively extend out from an upper cover 4 and a lower cover 3.

The double-head probe 5 can be used for testing the test points with large spacing according to specific use scenes, and the application range of the double-head probe is expanded.

As shown in fig. 2, in the pogo pin testing module of the present invention, a plurality of slots are disposed inside the first cavity 7 and the second cavity 8.

The bullet piece needle 2 clamps and assembles comparatively conveniently in a pair of draw-in grooves that correspond, can realize accurate positioning.

Therefore, compared with the prior art, the spring pin test module provided by the invention has the advantages that the test data transmission is stable, the test can be performed on the small-spacing BTB connector, and the impedance consistency, stability and test service life in the test are higher than those of the conventional test mode. According to the spring plate pin testing module, the spring plate pins are designed in a front-back crossed two-row mode, compared with the single-row in-line spring plate design, the double-row crossed arrangement mode designed by the invention is superior to the single-row design with a single-row in-line structure, the thickness of the spring plate can be increased as much as possible when the spring plate is designed through crossing, the service life of the spring plate is prolonged, and the impedance of the spring plate is reduced. According to the elastic sheet pin test module, the detachable ceramic sheets are designed between the elastic sheets, the assembly is convenient and simple, the detachable ceramic sheets are made of ceramic materials, the insulativity and the high temperature resistance of the detachable ceramic sheets are superior to those of common plastic insulating sheets, the service life of the elastic sheets is long, the limit can reach more than 50 thousands of times, the impedance consistency of the elastic sheets is superior to that of a test probe, the test stability and the service life of the elastic sheet module are superior to those of the test probe module, and the material use cost is saved. According to the spring plate pin testing module, the inner plane of the upper cover is higher than the upper ends of the probes and the spring plates, so that the probes and the spring plates can be protected, and the effect of preventing damage can be achieved.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A spring plate needle test module is characterized by comprising an assembly mold base body (1), wherein a first cavity (7) is arranged in the assembly mold base body (1), and a plurality of spring plate needles (2) are arranged in the first cavity (7); the upper end of assembly jig pedestal (1) is provided with upper cover (4), the lower extreme of assembly jig pedestal (1) is provided with lower cover (3), and upper end needle point (201) of a plurality of bullet piece needles (2) follow in proper order assembly jig pedestal (1) and upper cover (4) stretch out, and lower extreme needle point (202) of a plurality of bullet piece needles (2) follow in proper order assembly jig pedestal (1) and lower cover (3) stretch out.

2. The pogo pin testing module according to claim 1, wherein the upper cover (4) and the lower cover (3) are fixed to the assembling die holder body (1) by bolts (10), respectively.

3. The pogo pin testing module of claim 2, wherein a second cavity (8) is formed in the assembly die base (1), a plurality of pogo pins (2) are mounted in the second cavity (8), upper end pin points of the plurality of pogo pins (2) sequentially extend from the assembly die base (1) and the upper cover (4), and lower end pin points (202) of the plurality of pogo pins (2) sequentially extend from the assembly die base (1) and the lower cover (3).

4. The pogo pin test module of claim 3, wherein a ceramic plate (6) is arranged between two adjacent pogo pins (2).

5. The projectile needle testing module of claim 4, wherein there are one upper tip (201) of the projectile needle (2) and two lower tips (202) of the projectile needle (2).

6. The pogo pin test module of claim 5, wherein a mounting seat (9) is provided in the assembly die holder body (1), two double-ended probes (5) are provided in the mounting seat (9), and both ends of each of the double-ended probes (5) respectively protrude from the upper cover (4) and the lower cover (3).

7. The pogo pin testing module of claim 6, wherein a plurality of slots are provided inside the first cavity (7) and the second cavity (8).