CN211236020U

CN211236020U - Conductive adhesive carbon particle detection jig

Info

Publication number: CN211236020U
Application number: CN201921692883.1U
Authority: CN
Inventors: 刘强; 党永涛
Original assignee: Shenzhen C&D Electronics Co Ltd
Current assignee: Shenzhen C&D Electronics Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-08-11
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a conducting resin carbon granule detection tool. The tool includes first wire group and second wire group, and first wire group includes first contact pin, and the second wire group includes the second contact pin, and first contact pin sets up the first clearance with the second contact pin interlude, and first wire group, second wire group are used for connecting the positive negative pole of universal meter respectively so that the resistance that the carbon granule can be detected when first clearance is placed to the carbon granule. The utility model discloses a set up first wire group and second wire group, the first contact pin of first wire group and the second contact pin of second wire group alternate and set up and form first clearance, first wire group, the positive negative pole of universal meter is connected respectively to the second wire group, place the carbon granule in first clearance during the test and can detect the carbon granule resistance, the direct universal meter that uses among the prior art carries out the unsafe technical problem of measuring result, two pens of universal meter are replaced to two fixed contact pins of utilization, make the measuring result rate of accuracy high, and easy operation.

Description

Conductive adhesive carbon particle detection jig

Technical Field

The utility model belongs to the technical field of test fixture and specifically relates to a conducting resin carbon granule detection tool is related to.

Background

In the prior art, the keys of the remote controller are connected with a PCB (printed Circuit Board) inside the remote controller through conductive adhesive, carbon oil is brushed on the conductive adhesive or one carbon particle is arranged on the conductive adhesive, the carbon particle is contacted with two wires of the PCB when the keys are pressed and is used as a conductive part, and the size of the carbon particle can be selected according to the distance between the two wires of the PCB. When detecting the key of the remote controller, the resistance of the conductive part of the conductive adhesive needs to be detected, and a carbon particle and carbon oil test is used, which is commonly called as the resistance test of the conductive adhesive in the industry, namely the resistance of the carbon particle and the carbon oil in square millimeters. If the resistance value of the carbon particles is larger than the normal on-resistance of the chip MCU control IO port, the remote controller key cannot work normally, and the index can directly influence the function of the remote controller. At present, a common method is to use a multimeter pen to directly measure, but because the resistance measurement value changes along with the change of the contact area, the contact force and the like of the multimeter pen and carbon particles, the measured data also changes, and the result is very inaccurate.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model aims at providing a conducting resin carbon granule detection tool, easy operation, the test result rate of accuracy is high.

The utility model adopts the technical proposal that:

the utility model provides a conducting resin carbon granule detection tool, including first wire group and second wire group, first wire group is including first feeler, the second wire group is including the second feeler, first feeler with the second feeler alternates and sets up and form first clearance, first wire group the second wire group is used for connecting the positive negative pole of universal meter respectively so that the carbon granule is placed can detect during the first clearance the resistance of carbon granule.

Further, the detection jig comprises a plurality of test areas, wherein each first test area comprises a plurality of first contact pins, a plurality of second contact pins and a plurality of first gaps.

Further, the second test area comprises a plurality of first contact pins, a plurality of second contact pins and a plurality of second gaps formed by the second contact pins and the second contact pins which are arranged in an interpenetration mode.

Further, the first gap width is 0.7 mm.

Further, the second gap width is 1.0 mm.

The utility model has the advantages that:

the utility model discloses a set up first wire group and second wire group, first wire group includes first feeler, the second wire group includes the second feeler, first feeler alternates with the second feeler and sets up and form first clearance, first wire group, the positive negative pole of universal meter is connected respectively to the second wire group, place the resistance that can detect the carbon grain in first clearance with the carbon grain during test, overcome among the prior art and directly used the universal meter to carry out the unsafe technical problem of measuring result, utilize two pens of fixed feeler replacement universal meter, make the measuring result rate of accuracy high, and easy operation.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a carbon particle detecting jig of the present invention;

FIG. 2 is a schematic structural diagram of another embodiment of a carbon particle detecting jig of the present invention;

fig. 3 is a schematic structural diagram of another embodiment of the carbon particle detecting jig of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Example one

This embodiment provides a conducting resin carbon granule detection tool, including first wire group and second wire group, first wire group includes first contact pin, and the second wire group includes the second contact pin, and first contact pin alternates with the second contact pin to set up and form first clearance, and first wire group, second wire group are used for connecting the positive negative pole of universal meter respectively so that the resistance that the carbon granule can detect the carbon granule when first clearance is placed to the carbon granule.

Fig. 1 is a schematic structural view of a conductive adhesive carbon particle detection jig. Referring to fig. 1, 1 is a first conductive line set, 2 is a second conductive line set, 11 is a first contact pin, and 21 is a second contact pin. The first contact pin 11 and the second contact pin 21 form a first gap 3 therebetween. The first lead group 1 and the second lead group 2 are respectively connected with the anode and the cathode of the multimeter.

In the present embodiment, the width of the first gap 3 is 0.7 mm.

Example two

Based on the first embodiment, the present embodiment provides a conductive adhesive carbon particle detection jig, referring to fig. 2, a first lead group 1 and a second lead group 2 are respectively connected to the positive and negative electrodes of a multimeter. This test fixture includes two test areas: a first test area and a second test area.

In the first test area, a plurality of first contact pins 11, a plurality of second contact pins 21, and a plurality of first gaps 3 formed by the first contact pins 11 and the second contact pins 21 are included.

In the second test area, a plurality of first contact pins 11, a plurality of second contact pins 21, and a plurality of second gaps 4 formed by alternately arranging the first contact pins 11 and the second contact pins 21 are also included.

As shown in fig. 2, in the present embodiment, the width of the first gap 3 is 0.7mm, and the width of the second gap 4 is 1.0 mm.

It will be appreciated that the width of the first gap 3 and the second gap 4 may be set and adjusted according to the size of the carbon particles to be detected.

EXAMPLE III

Based on the improvement of the second embodiment, the present embodiment provides a conductive adhesive carbon particle detection jig, referring to fig. 3, a first lead group 1 and a second lead group 2 are respectively connected to the positive and negative electrodes of a multimeter. The test fixture comprises four test areas: a first test area, a second test area, a third test area, and a fourth test area.

In the third test area, a plurality of first contact pins 11, a plurality of second contact pins 21, and a plurality of third gaps 5 formed by the first contact pins 11 and the second contact pins 21 are included.

In the fourth test area, a plurality of first contact pins 11, a plurality of second contact pins 21, and a plurality of fourth gaps 6 formed by alternately arranging the first contact pins 11 and the second contact pins 21 are also included.

As shown in fig. 3, in the present embodiment, the width of the first gap 3 is 0.7mm, the width of the second gap 4 is 1.0mm, the width of the third gap 5 is 0.3mm, and the width of the fourth gap 6 is 0.5 mm.

It will be appreciated that the widths of the first, second, third and

fourth gaps

3, 4, 5, 6 may be set and adjusted according to the size of the carbon particles to be detected.

In this embodiment, referring to fig. 3, the first wire group 1 is designed to be bent, and the second wire group 2 is disposed in the middle of the first wire group 1, so that the first testing area, the second testing area, the third testing area, and the fourth testing area share one second wire group 2, which reduces the length of the second wire group 2 and the wire cost compared to the horizontal arrangement manner in the second embodiment.

By combining the first embodiment with the third embodiment, during testing, the resistance gear of the multimeter is opened to select a gear, the carbon particles are placed in the first gap 3 or the second gap 4 or the third gap 5 or the fourth gap 6 according to the size of the carbon particles to be tested, the displayed numerical value of the multimeter is observed, and then the resistance value of the carbon particles to be tested can be obtained.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a conductive adhesive carbon grain detection tool, its characterized in that includes first wire group and second wire group, first wire group includes first contact pin, second wire group includes the second contact pin, first contact pin with the second contact pin interlude sets up and forms first clearance, first wire group second wire group is used for connecting the positive negative pole of universal meter respectively so that the carbon grain is placed can detect during the first clearance the resistance of carbon grain.

2. The carbon particle detecting jig as recited in claim 1, wherein said jig comprises a plurality of testing regions, and wherein said first testing region comprises a plurality of said first contact pins, a plurality of said second contact pins and a plurality of said first gaps.

3. The carbon particle detecting jig as claimed in claim 2, wherein the second testing region includes a plurality of first contact pins, a plurality of second contact pins and a plurality of second gaps formed therebetween.

4. The carbon particle detecting jig as recited in claim 2, wherein said first gap has a width of 0.7 mm.

5. The carbon particle detecting jig as recited in claim 3, wherein said second gap has a width of 1.0 mm.