CN214097625U

CN214097625U - Impedance measuring tool

Info

Publication number: CN214097625U
Application number: CN202023335789.6U
Authority: CN
Inventors: 田见; 孙权
Original assignee: Qun Optoelectronics Suzhou Co ltd
Current assignee: Qun Optoelectronics Suzhou Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-31
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an impedance measuring jig, including the work table, the workstation is installed at the top of work table, the case room is installed at the top of workstation, the center department on the inside top of case room installs the motor, the threaded rod is installed to the output of motor, the one end that the motor was kept away from to the top side of case room inside is installed the gag lever post, threaded connection has the briquetting on the threaded rod, the workstation top is close to the one end of case room and installs and place the platform. The utility model discloses, draw forth the wire through adopting two probes, through the pin of the product that awaits measuring of probe contact, the resistance value of two pins is surveyed to the resistance shelves through the universal meter to reach the purpose of surveying the product impedance. Through the probe setting on a movable block, the movable block passes through the optical axis and removes at the tool, drives probe contact product pin, through the cooperation between its inner structure and the part for measurement process is simple more convenient, and measuring result is more accurate.

Description

Impedance measuring tool

Technical Field

The utility model relates to an impedance technical field specifically is impedance measurement tool.

Background

Some current camera modules need to measure the resistance value between two points in the PCB board to judge the quality of board itself, therefore many camera modules have all increased the impedance test item.

At present, two red and black meter pens of the universal meter are directly used for contacting pins of a product to be tested in an impedance testing mode, and an ohmic value displayed on the universal meter is read after the value is stable. The method completely depends on contacting the product by hands, and phenomena of unstable contact and poor contact exist, so that test data are inaccurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impedance measuring jig to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: impedance measuring jig, including the table, the workstation is installed at the top of table, the cabinet is installed at the top of workstation, the center department on the inside top of cabinet installs the motor, the threaded rod is installed to the output of motor, the one end of keeping away from the motor is installed to the top side of cabinet inside, threaded connection has the briquetting on the threaded rod, the one end that the table top is close to the cabinet is installed and is placed the platform, it articulates to place the one end that the platform is close to the cabinet and has the gland, place the bench and seted up the product groove, place the top of platform and install the magnet piece, place the top of platform and install the optical axis, slidable mounting has the movable block on the optical axis, be provided with the probe on the movable block, the one end of placing the platform is kept away from at the table top and install the universal meter, universal meter and probe electric connection.

Preferably, the box chamber is provided with a sliding groove matched with the size of the pressing block.

Preferably, the number of the magnet blocks is three.

Preferably, the number of the probes is two, and the installation positions correspond to each other.

Preferably, the number of the optical axes is two and the installation positions correspond to each other.

Preferably, the pressing block is provided with a through hole matched with the limiting rod in size.

Compared with the prior art, the beneficial effects of the utility model are that: this impedance measuring jig draws forth the wire through adopting two probes, through the pin of probe contact product to be tested, measures the resistance value of two pins through the resistance shelves of universal meter to reach the mesh of measurationing the product impedance. Through the probe setting on a movable block, the movable block passes through the optical axis and removes at the tool, drives probe contact product pin, through the cooperation between its inner structure and the part for measurement process is simple more convenient, and measuring result is more accurate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the multimeter and the placement table of the present invention;

fig. 3 is a schematic view of the internal structure of the chamber of the present invention.

In the figure: 1. a work table; 2. a cabinet; 3. briquetting; 4. a work table; 5. a universal meter; 6. a motor; 7. a threaded rod; 8. a limiting rod; 9. a placing table; 10. a gland; 11. a product tank; 12. a magnet block; 13. a moving block; 14. an optical axis; 15. and (3) a probe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: an impedance measuring jig comprises a working table 1, wherein a working table 4 is installed at the top of the working table 1, a box chamber 2 is installed at the top of the working table 4, a sliding groove matched with the size of a pressing block 3 is formed in the box chamber 2, a motor 6 is installed at the center of the top end in the box chamber 2, a threaded rod 7 is installed at the output end of the motor 6, a limiting rod 8 is installed at one end, away from the motor, of the top side in the box chamber 2, the pressing block 3 is connected onto the threaded rod 7 in a threaded manner, a through hole matched with the size of the limiting rod 8 is formed in the pressing block 3, a placing table 9 is installed at one end, close to the box chamber 2, of the top of the working table 4, a gland 10 is hinged to one end, close to the box chamber 2, a product groove 11 is formed in the placing table 9, magnet blocks 12 are installed at the top of the placing table 9, the number of the magnet blocks 12 is three, an optical axis 14 is installed at the top of the placing table 9, the number of the optical axes 14 is two, and the installation positions are corresponding to each other, a moving block 13 is slidably mounted on the optical axis 14, probes 15 are arranged on the moving block 13, the number of the probes 15 is two, the mounting positions of the probes are corresponding, the multimeter 5 is mounted at one end, away from the placing table 9, of the top of the workbench 4, and the multimeter 5 is electrically connected with the probes 15.

The working principle is as follows: two probes 15 are adopted to lead out a lead, the probe 15 is in contact with a pin of a product to be tested, and the resistance values of the two pins are measured through the resistance level of the universal meter 5, so that the purpose of measuring the impedance of the product is achieved. Place the product that awaits measuring 11 positions in the product groove of predetermineeing, be provided with a gland 10 on the curb plate of tool, then starter motor 6, motor 6 drive threaded rod 7 and rotate, and threaded rod 7 pivoted in-process drives briquetting 3 and descends, pushes down the product to guarantee that probe 15 can accurate atress when contact product pin. The probe 15 is arranged on a moving block 13, and the moving block 13 moves on the jig through the optical axis 14 to drive the probe 15 to contact with the product pins.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Impedance measuring jig, including table (1), its characterized in that: the top of the working table (1) is provided with a working table (4), the top of the working table (4) is provided with a box chamber (2), the center of the top end inside the box chamber (2) is provided with a motor (6), the output end of the motor (6) is provided with a threaded rod (7), one end of the top side inside the box chamber (2), which is far away from the motor, is provided with a limiting rod (8), the threaded rod (7) is provided with a pressing block (3) in a threaded connection manner, one end of the top of the working table (4), which is close to the box chamber (2), is provided with a placing table (9), one end of the placing table (9), which is close to the box chamber (2), is hinged with a pressing cover (10), the placing table (9) is provided with a product groove (11), the top of the placing table (9) is provided with a magnet block (12), the top of the placing table (9) is provided with an optical axis (14), and the optical axis (14) is provided with a moving block (13), the probe (15) is arranged on the moving block (13), the multimeter (5) is installed at one end, far away from the placing table (9), of the top of the working table (4), and the multimeter (5) is electrically connected with the probe (15).

2. The impedance measuring jig of claim 1, wherein: and a sliding groove matched with the pressing block (3) in size is formed in the box chamber (2).

3. The impedance measuring jig of claim 1, wherein: the number of the magnet blocks (12) is three.

4. The impedance measuring jig of claim 1, wherein: the number of the probes (15) is two, and the mounting positions correspond to each other.

5. The impedance measuring jig of claim 1, wherein: the number of the optical axes (14) is two, and the installation positions correspond to each other.

6. The impedance measuring jig of claim 1, wherein: the pressing block (3) is provided with a through hole matched with the limiting rod (8) in size.