CN219609144U

CN219609144U - Device for measuring LCR of sample pin

Info

Publication number: CN219609144U
Application number: CN202320380887.6U
Authority: CN
Inventors: 金英杰; 郭佳琪; 薛人杰; 王爱国
Original assignee: Shanghai Electrical Equipment Testing Co ltd; Shanghai Tilva Certification Technology Co ltd; Tianwei Inspection And Testing Jiangsu Co ltd; Shanghai Electrical Apparatus Research Institute Group Co Ltd
Current assignee: Shanghai Electrical Equipment Testing Co ltd; Shanghai Tilva Certification Technology Co ltd; Tianwei Inspection And Testing Jiangsu Co ltd; Shanghai Electrical Apparatus Research Institute Group Co Ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-08-29
Anticipated expiration: 2033-03-02

Abstract

The utility model relates to a device for measuring LCR of a sample pin, and belongs to the technical field of electronic circuit detection. The device comprises a PIN PIN connector, a change-over switch, an LCR tester connecting terminal and a shell; one side of the shell is provided with a plurality of PIN connectors, and the other side of the shell is provided with an LCR tester connecting terminal; a change-over switch is arranged in the shell; the change-over switch comprises a first silver contact connected with each PIN PIN connector, a conductive sliding block, an insulating guide rail and a plurality of second silver contacts connected with the connecting terminals of the LCR tester; a conductive sliding block which can slide on the insulating guide rail is arranged between the corresponding first silver contact and the corresponding second silver contact; the first silver contact and the second silver contact are electrically connected through a conductive sliding block; according to the utility model, the switching of the test pins is realized by toggling the change-over switch, so that the operation steps in the existing measurement of LCR values of all pins are simplified, the test progress is accelerated, and the detection efficiency is improved.

Description

Device for measuring LCR of sample pin

Technical Field

The utility model relates to a device for measuring LCR of a sample pin, and belongs to the technical field of electronic circuit detection.

Background

Existing automotive parts require LCR testing before and after static testing to evaluate the performance of the sample. However, as the complexity of the parts increases, the number of PIN needles of the parts increases, which increases the workload of the LCR measurement process, and meanwhile, the method of leading out a single PIN through the dupont wire or directly connecting the probe to the PIN is inconvenient for engineers to actually operate, especially when testing samples above 16 PINs, the problem of low efficiency caused by the traditional testing method becomes very obvious along with the increase of the number of PIN PINs of the samples, thereby prolonging the whole testing time and increasing the additional testing cost. Therefore, there is a need in the art for a device that can conveniently and quickly test for samples having a plurality of PIN count.

Disclosure of Invention

The utility model aims to solve the technical problem of how to obtain a device capable of conveniently and quickly testing a sample with a plurality of PIN needles.

In order to achieve the purpose of solving the problems, the technical scheme adopted by the utility model is to provide a device for measuring LCR of a sample PIN, which comprises a PIN PIN connector, a change-over switch, a connecting terminal of an LCR tester and a shell; one side of the shell is provided with a plurality of PIN connectors, and the other side of the shell is provided with an LCR tester connecting terminal; a change-over switch is arranged in the shell; the change-over switch comprises a first silver contact connected with each PIN PIN connector, a conductive sliding block, an insulating guide rail and a plurality of second silver contacts connected with the connecting terminals of the LCR tester; a conductive sliding block which can slide on the insulating guide rail is arranged between the corresponding first silver contact and the corresponding second silver contact; the first silver contact and the second silver contact are electrically connected through the conductive sliding block.

Preferably, the first plurality of silver contacts are linear.

Preferably, the second plurality of silver contacts are linear.

Preferably, the first silver contacts and the second silver contacts are arranged in two rows corresponding in parallel.

Preferably, a connecting plate is arranged between the silver contact II and the LCR tester connecting terminal.

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

according to the utility model, the conductive sliding block is driven to switch the test pins by toggling the change-over switch, so that the process that a test engineer needs to repeatedly plug the DuPont wire in the original test method is avoided, the operation steps of the test engineer in measuring the LCR value of each pin are simplified, the test progress is accelerated, and the detection efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an application mode of the present utility model;

FIG. 3 is a schematic diagram of a switch according to the present utility model;

FIG. 4 is a schematic diagram of a switch according to the present utility model;

FIG. 5 is an internal schematic diagram of the present utility model;

reference numerals: a pin connector; 2. a change-over switch; 3, connecting terminals of the LCR tester; 4. a housing; 5. a test sample; 6. a pin measurement device; LCR tester; 8. a conductive slider; 9. a silver contact I; 10. silver contacts II; 11. a connecting plate; 12. an insulated guide rail.

Detailed Description

In order to make the utility model more comprehensible, preferred embodiments accompanied with the accompanying drawings are described in detail as follows:

as shown in fig. 1 to 5, the utility model provides a device for measuring LCR of a sample PIN, which comprises a PIN connector 1, a change-over switch 2, a LCR tester connection terminal 3 and a shell 4; one side of the shell 4 is provided with a plurality of PIN connectors 1, and the other side of the shell 4 is provided with an LCR tester connecting terminal 3; a change-over switch 2 is arranged in the shell 4; the change-over switch 2 comprises a first silver contact 9 connected with each PIN PIN connector 1, a conductive sliding block 8, an insulated guide rail 12 and a plurality of second silver contacts 10 connected with the LCR tester connecting terminal 3; a conductive sliding block 8 which can slide on an insulating guide rail 12 is arranged between the corresponding first silver contact 9 and the corresponding second silver contact 10; the first silver contact 9 and the second silver contact 10 are electrically connected through the conductive sliding block 8. The first silver contacts 9 are linear. The plurality of silver contacts 10 are linear. The first silver contacts 9 and the second silver contacts 10 are arranged in two rows corresponding in parallel. A connecting plate 11 is arranged between the silver contact II 10 and the LCR tester connecting terminal 3.

Examples

Referring to fig. 1-5, the utility model provides a device for measuring LCR of a sample pin, which comprises an LCR tester 7 and a pin measuring device 6.

The PIN measuring device 6 comprises a PIN PIN connector 1, a change-over switch 2, a shell 4 and an LCR tester connecting terminal 3.

The change-over switch 2 comprises a first silver contact 9 connected with the PIN PIN connector 1, a second silver contact 10 connected with the LCR tester connecting terminal 3, an insulated guide rail 12 and a conductive sliding block 8 with an insulated pulling piece.

Each PIN connector 1 in the PIN measuring device 6 is independently connected to one PIN of the test sample piece 5, and the PIN connectors 1 are respectively connected to independent silver contacts one 9; each silver contact I9 is electrically connected with a silver contact II 10 which is connected with the LCR tester connecting terminal 3 at a corresponding position through a conductive sliding block 8 with an insulating pulling piece; all the silver contacts II 10 are connected in parallel and then connected with the connecting plate 11 to the LCR tester connecting terminal 3, the positive electrode of the LCR tester 7 is connected with the LCR tester connecting terminal 3 through the probe thereof, and the negative electrode of the LCR tester 7 is connected with the negative electrode of the test sample piece 5 through the probe thereof.

In the device for measuring LCR of a sample pin, in use, the LCR tester 7 is opened, the pin measuring device 6 is connected to the test sample 5, the positive electrode of the LCR tester 7 is connected to the LCR tester connecting terminal 3 through the probe thereof, and the negative electrode of the LCR tester 7 is connected to the negative electrode of the test sample 5 through the probe thereof; the switching of the test pins is realized by toggling the change-over switch 2, so that the process that a test engineer needs to repeatedly plug the DuPont wire in the original test method is avoided, the operation steps of the test engineer in the process of measuring the LCR values of the pins are simplified, the test progress is quickened, and the detection efficiency is improved.

While the utility model has been described with respect to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. Equivalent embodiments of the present utility model will be apparent to those skilled in the art having the benefit of the teachings disclosed herein, when considered in the light of the foregoing disclosure, and without departing from the spirit and scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. The device for measuring the LCR of the sample PIN is characterized by comprising a PIN PIN connector, a change-over switch, a connecting terminal of an LCR tester and a shell; one side of the shell is provided with a plurality of PIN connectors, and the other side of the shell is provided with an LCR tester connecting terminal; a change-over switch is arranged in the shell; the change-over switch comprises a first silver contact connected with each PIN PIN connector, a conductive sliding block, an insulating guide rail and a plurality of second silver contacts connected with the connecting terminals of the LCR tester; a conductive sliding block which can slide on the insulating guide rail is arranged between the corresponding first silver contact and the corresponding second silver contact; the first silver contact and the second silver contact are electrically connected through the conductive sliding block.

2. The device for LCR measurement of sample pins according to claim 1, wherein the first plurality of silver contacts are linear.

3. The device for LCR measurement of sample pins according to claim 2, wherein the plurality of silver contacts are linear.

4. A device for LCR measurement of sample pins according to claim 3, wherein the first plurality of silver contacts are arranged in two parallel corresponding rows.

5. The device for LCR measurement of sample pins according to claim 4 wherein a connection plate is provided between the second silver contacts and the LCR tester connection terminal.