CN213181778U - Punching resistance test auxiliary device - Google Patents
Punching resistance test auxiliary device Download PDFInfo
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- CN213181778U CN213181778U CN202022034020.4U CN202022034020U CN213181778U CN 213181778 U CN213181778 U CN 213181778U CN 202022034020 U CN202022034020 U CN 202022034020U CN 213181778 U CN213181778 U CN 213181778U
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Abstract
The utility model relates to the technical field of piezoresistors, in particular to a feed-through resistor testing auxiliary device, which comprises a needle electrode, an elastic electrode and an insulating plate; the needle electrodes and the elastic electrodes are arranged in parallel at intervals and are fixed on the insulating plate; when the through hole of the core-through resistor is penetrated in the needle electrode, the elastic electrode can clamp the outer wall of the core-through resistor. Through setting up needle electrode and elastic electrode for the centre bore of punch resistance can be smooth and easy to penetrate in the needle electrode and fully contact with the needle electrode. The elastic electrode is pressed on the outer wall of the core-through resistor and matched with the needle electrode to clamp the core-through resistor. The accuracy of test result has been improved, has promoted efficiency of software testing.
Description
Technical Field
The utility model relates to a piezo-resistor technical field, especially a punch-through resistance test auxiliary device.
Background
With the progress of technology, electronic products are developed toward miniaturization, integration and multi-functionalization. Feedthrough resistors are increasingly being used in plug connectors. The core-through resistor is in a wafer shape, and the middle part of the wafer is provided with a through hole; the outer side walls of the through hole and the wafer are respectively provided with an electrode. During production, each resistor needs to be tested.
At present, in the testing process, the two electrodes of the core-through resistor are respectively connected to a piezoresistor tester to test the parameters of the resistor. Because the resistance size is less, when the electrode is connected, the contact is unstable, the accuracy of the test result is poor, and the test efficiency is extremely low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the problem of low efficiency in testing resistance parameters in the prior art, the punching type resistance testing auxiliary device is provided. The device is through setting up at least one elastic electrode, and convenient realization punch-through resistance is connected with testing arrangement, and electrode connection is stable, and the test result is accurate, and efficiency of software testing is high.
In order to realize the purpose, the utility model discloses a technical scheme be:
a core-through resistance test auxiliary device comprises a needle electrode, an elastic electrode and an insulating plate;
the needle electrodes and the elastic electrodes are arranged in parallel at intervals and are fixed on the insulating plate;
when the through hole of the core-through resistor is penetrated in the needle electrode, the elastic electrode can clamp the outer wall of the core-through resistor.
The needle electrode and the elastic electrode are respectively connected with two electrodes of an external testing device.
By providing the needle electrode, the tip of the needle electrode is thin, and the diameter gradually increases from the tip to the tail. So that the central hole of the core-through resistor can smoothly penetrate into the needle electrode. With the increase of the needle electrode, the electrode of the center hole of the core-through resistor can be fully contacted with the needle electrode. The elastic electrode is pressed on the outer wall of the core-through resistor and matched with the needle electrode to clamp the core-through resistor. Two outer electrodes of the core-through resistor can be in good contact with the needle electrode and the elastic electrode, so that the accuracy of a test result is improved, and the test efficiency is improved.
As a preferred scheme of the utility model, one end of the needle electrode is a first testing end, and the other end is a first electric connection end; the first test end and the first electric connection end are respectively positioned on two sides of the insulating plate;
one end of the elastic electrode is a second testing end, and the other end of the elastic electrode is a second power connection end; the second testing end and the second electric connection end are respectively positioned on two sides of the insulating plate;
the first testing end and the second testing end are matched. The clamping of the core-through resistor can be realized.
The needle electrodes have diameters that gradually increase from the first testing end to the first electrical connecting end.
The electric connection end and the test end of the electrode are respectively arranged on two sides of the insulating plate, and when the resistor is assembled and disassembled, the operation space is positioned on one side of the insulating plate, so that an operator is prevented from mistakenly contacting the electric connection end.
As a preferred scheme of the utility model, the second testing end is an elastic steel sheet; the elastic steel sheet is connected with the second electric connection end.
The elastic steel sheet has elasticity and conductivity, and the resistor is conveniently clamped and contacted.
As the preferred scheme of the utility model, the elastic steel sheet is L-shaped.
The vertical side of the L-shaped steel sheet is matched with the needle-shaped electrode, and the transverse surface of the bottom of the L-shaped steel sheet is in contact with the insulating plate, so that the L-shaped steel sheet is conveniently fixed on the insulating plate, and the L-shaped steel sheet is beneficial to the connection stability. And the included angle close to the right angle can provide larger elasticity, and is beneficial to clamping and contacting the resistor.
As the utility model discloses an optimal scheme, the second test end includes steel column and spring, spring one end with steel connection, the other end of spring with the second connects the electrical end to connect.
After a steel sheet is used for a long time, a portion in contact with the resistor is deformed, resulting in deterioration of contact with the resistor. The steel column is not easy to deform, and can keep good contact with the resistor when being used for a long time. The spring has better elastic effect, and is more suitable for long-term use by utilizing the combination of the spring and the steel column.
As the preferred scheme of the utility model, the second electric connection end is a conductive bolt; the insulating plate is provided with a long hole; the conductive bolt is matched with the elongated hole.
Through the setting in conductive bolt and elongated hole, the interval between adjustment needle electrode and the elastic electrode that can be convenient is applicable to the test of the resistance of not unidimensional.
In a preferred embodiment of the present invention, the plurality of needle electrodes are arranged in parallel.
The needle-shaped electrodes are arranged, so that the resistance of the through holes can be tested.
In a preferred embodiment of the present invention, the number of the needle electrodes is 5.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a cross core formula resistance test auxiliary device is through setting up needle electrode and elastic electrode for the centre bore of cross core formula resistance can be smooth and easy penetrate needle electrode and needle form electrode fully contacts. The elastic electrode is pressed on the outer wall of the core-through resistor and matched with the needle electrode to clamp the core-through resistor. The accuracy of test result has been improved, has promoted efficiency of software testing.
2. The utility model discloses a cross core formula resistance test auxiliary device, the flexure strip through setting up L shape is as elastic electrode, can provide great elasticity, does benefit to the centre gripping and the contact to resistance.
3. The utility model discloses a cross core formula resistance test auxiliary device, the second test end of combination conduct elasticity electrode through steel column and spring utilizes the difficult characteristic that takes place deformation of steel column, when using for a long time, can keep the contact of steel column and resistance good.
4. The utility model discloses a cross core formula resistance test auxiliary device, the mounting of combination conduct electrode through elongated hole and bolt can adjust the interval between needle electrode and the elastic electrode, is applicable to the test of not unidimensional resistance.
Drawings
Fig. 1 is a schematic structural view of the feedthrough resistance testing assisting apparatus of the present invention.
Fig. 2 is a schematic view of the front view of the feedthrough resistance testing assisting apparatus of the present invention.
Fig. 3 is a schematic view of the testing state of the feedthrough resistance testing assisting apparatus of the present invention.
Fig. 4 is a schematic front view of the feedthrough resistance test assisting apparatus of example 2.
Fig. 5 is a schematic top view of the feedthrough resistance test assisting apparatus of example 2.
Fig. 6 is a schematic top view of the feedthrough resistance test assisting apparatus of example 3.
Icon: 1-a needle electrode; 11-a first test end; 12-a first electrical connection end; 2-an elastic electrode; 21-a second test end; 211-steel column; 212-a spring; 22-a second electrical connection end; 3-an insulating plate; 31-elongated holes; 4-punch resistance.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
A core-through resistance test auxiliary device is shown in figure 1, figure 2 and figure 3, comprising a needle electrode 1, an elastic electrode 2 and an insulating plate 3;
the needle electrodes 1 and the elastic electrodes 2 are arranged in parallel at intervals and are fixed on the insulating plate 3;
when the through hole of the core-through resistor 4 is penetrated in the needle electrode 1, the elastic electrode 2 can clamp the outer wall of the core-through resistor 4.
The needle electrode 1 and the elastic electrode 2 are respectively connected to two electrodes of an external test device.
One end of the needle electrode 1 is a first testing end 11, and the other end of the needle electrode is a first electric connection end 12; the first testing end 11 and the first electric connection end 12 are respectively positioned at two sides of the insulating plate 3;
one end of the elastic electrode 2 is a second testing end 21, and the other end of the elastic electrode is a second electric connection end 22; the second testing end 21 and the second electric connection end 22 are respectively positioned at two sides of the insulating plate 3;
said first testing end and 11 said second testing end 21 cooperate. The feedthrough resistor 4 can be clamped.
The second testing end 21 is an elastic steel sheet; the elastic steel sheet is connected with the second electric connection end 22.
The elastic steel sheet has elasticity and conductivity, and the resistor is conveniently clamped and contacted.
The elastic steel sheet is L-shaped. The vertical side of the L-shaped steel sheet is matched with the needle electrode 1, and the transverse surface of the bottom of the L-shaped steel sheet is in contact with the insulating plate 3, so that the L-shaped steel sheet is conveniently fixed on the insulating plate 3 and is beneficial to the stability of connection. And the included angle close to the right angle can provide larger elasticity, and is beneficial to clamping and contacting the resistor.
The second electrical terminal 22 is a conductive bolt. The insulation plate 3 is provided with a through hole, and the L-shaped steel sheet is provided with an assembly hole. The conductive bolt penetrates through the assembly hole of the steel sheet and the through hole of the insulating plate 3 to fix the steel sheet and the insulating plate 3. And on the other hand, as a second electrical terminal 22, to an external test device electrode.
Example 2
The present embodiment is different from embodiment 1 in the structure of the elastic electrode 2. As shown in fig. 4, the second testing end 21 includes a steel column 211 and a spring 212, one end of the spring 212 is connected to the steel column 211, and the other end of the spring 212 is connected to the second electrical connection end 22. The second electrical terminal 22 is a conductive bolt.
As shown in fig. 5, the insulating plate 3 is provided with an elongated hole 31; the conductive bolt mates with the elongated hole 31. Through the setting of conductive bolt and elongated hole 31, the interval between adjustment needle electrode 1 that can be convenient and elastic electrode 2 is applicable to the test of the resistance of different sizes.
Example 3
In this embodiment, a plurality of needle-like electrodes 1 are provided in parallel in addition to embodiment 1 or embodiment 2. As shown in fig. 6, the first testing terminals 11 of the plurality of needle electrodes 1 are matched with the through holes of the corresponding resistors. By providing a plurality of needle electrodes 1, it is suitable for testing the resistance of a plurality of through holes. For example, in fig. 6, 8 needle electrodes are provided for the punch-through resistance test of 8 holes.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The core-penetrating type resistance test auxiliary device is characterized by comprising a needle electrode (1), an elastic electrode (2) and an insulating plate (3);
the needle electrodes (1) and the elastic electrodes (2) are arranged in parallel at intervals and are fixed on the insulating plate (3);
when the through hole of the core-through resistor (4) is penetrated on the needle electrode (1), the elastic electrode (2) can clamp the outer wall of the core-through resistor (4).
2. The feedthrough resistance test assisting apparatus according to claim 1, wherein the needle-like electrode (1) has a first test terminal (11) at one end and a first electrical connection terminal (12) at the other end; the first testing end (11) and the first electric connection end (12) are respectively positioned at two sides of the insulating plate (3);
one end of the elastic electrode (2) is a second testing end (21), and the other end of the elastic electrode is a second electric connection end (22); the second testing end (21) and the second electric connection end (22) are respectively positioned at two sides of the insulating plate (3);
the first testing end (11) and the second testing end (21) are matched to realize the clamping of the core-through resistor (4).
3. The feedthrough resistance test assisting device according to claim 2, characterized in that the second test end (21) is a resilient steel sheet; the elastic steel sheet is connected with the second electric connection end (22).
4. The feedthrough resistance test assisting apparatus according to claim 3, wherein the elastic steel piece is L-shaped.
5. The feedthrough resistance test assisting device according to claim 2, wherein the second test end (21) comprises a steel column (211) and a spring (212), one end of the spring (212) is connected with the steel column (211), and the other end of the spring (212) is connected with the second electrical connection end (22).
6. The feedthrough resistance testing assistance device according to claim 2, wherein the second electrical connection terminal (22) is a conductive bolt; the insulating plate (3) is provided with a long hole (31); the conductive bolt is matched with the elongated hole (31).
7. The feedthrough resistance testing assisting device according to any one of claims 1 to 6, wherein the needle-like electrodes (1) are plural and arranged in parallel.
8. The feedthrough resistance testing assistance device according to claim 7, characterized in that the number of needle electrodes (1) is 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022034020.4U CN213181778U (en) | 2020-09-16 | 2020-09-16 | Punching resistance test auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022034020.4U CN213181778U (en) | 2020-09-16 | 2020-09-16 | Punching resistance test auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213181778U true CN213181778U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022034020.4U Active CN213181778U (en) | 2020-09-16 | 2020-09-16 | Punching resistance test auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213181778U (en) |
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2020
- 2020-09-16 CN CN202022034020.4U patent/CN213181778U/en active Active
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