CN219348996U

CN219348996U - Electrode contact resistance detection device

Info

Publication number: CN219348996U
Application number: CN202320374798.0U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Kunshan Microprices Electronic Technology Co ltd
Current assignee: Kunshan Microprices Electronic Technology Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-14
Anticipated expiration: 2033-03-03

Abstract

The utility model discloses an electrode contact resistance detection device which comprises a test board, a pneumatic slide rail module, a pressing plate, a base, an electrifying module, a product positioning plate, a guide post and a reset spring, wherein the pressing plate moves up and down through the pneumatic slide rail module; when the pressing plate rises, the product positioning plate moves upwards to reset along the guide post by the elastic force of the reset spring. Through the mode, the electrode contact resistance detection device provided by the utility model is suitable for testing the resistance value of the power supply box, the four electrodes of the power supply box and the power supply module are respectively conducted in a pressing mode, the resistance value of each electrode is read, multi-point testing is carried out, and the accuracy of the test result is high.

Description

Electrode contact resistance detection device

Technical Field

The utility model relates to the technical field of detection equipment, in particular to an electrode contact resistance detection device.

Background

The power box is internally provided with a frequency converter, so that voltage can be controlled, and the power box can protect electrical equipment for providing low-voltage power supply for the electrical equipment. Before the power supply box enters the market, the resistance value of the power supply box is often required to be detected, so that the quality of a product of the power supply box can be ensured.

At present, the existing device for detecting the performance of the power supply box is not perfect, the structure is complex, the detection procedures are also numerous, the resistance value is not tested in multiple points, and the test result is inaccurate.

Disclosure of Invention

The utility model mainly solves the technical problem of providing an electrode contact resistance detection device, and solves the problems that the resistance value of the existing power supply box is not subjected to multi-point testing and the detection result is inaccurate.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides an electrode contact resistance detection device, including testboard, pneumatic slide rail module, clamp plate, base, circular telegram module, product locating plate, guide post and reset spring, pneumatic slide rail module is vertical to be installed the intermediate position of testboard up end, the clamp plate passes through pneumatic slide rail module reciprocates, the base level is installed the up end of testboard and is located the below of clamp plate, circular telegram module is installed the intermediate position of base up end, guide post and reset spring correspond respectively and install four angles departments of base up end, reset spring is located the inboard of guide post, the product locating plate is the horizontality movable mounting through guide post with reset spring is in the top of base,

when the pressing plate is pressed down, the product positioning plate moves downwards along the guide column by the pressure of the pressing plate and is attached to the base; when the pressing plate rises, the product positioning plate moves upwards to reset along the guide post through the elastic force of the reset spring.

In a preferred embodiment of the present utility model, a product groove for accommodating a product is formed at the upper end surface of the product positioning plate, and a mounting groove for accommodating the power-on module is formed at the lower end surface of the product positioning plate, and the product groove is communicated with the mounting groove.

In a preferred embodiment of the present utility model, the four corners of the product positioning plate are respectively provided with circular through holes for mounting the guide posts, and the product positioning plate can move up and down along the guide posts.

In a preferred embodiment of the present utility model, the pneumatic slide rail module includes a support plate, an air cylinder, a linear slide rail and a connecting slide seat, the air cylinder is installed on the upper portion of the front end surface of the support plate and connected with the connecting slide seat, the two linear slide rails are symmetrically installed on the lower portion of the front end surface of the support plate, and the connecting slide seat is slidably connected with the linear slide rail.

In a preferred embodiment of the present utility model, the pressing plate is mounted on a lower end surface of the connection sliding seat.

In a preferred embodiment of the present utility model, the power-on module includes an outer pressure head, an inner pressure head, an elastic sheet and a probe, wherein the inner pressure head is installed in the outer pressure head and extends to protrude from the upper end of the outer pressure head, the elastic sheet is respectively attached to four directions outside the inner pressure head, and the probe is respectively installed in four directions on the upper end of the outer pressure head and is correspondingly located at the outer side of the elastic sheet.

In a preferred embodiment of the utility model, the front end surface of the test board is provided with a start switch, a scram switch, a push button, an up button and a resistance meter, and the start switch, the scram switch, the push button, the up button and the resistance meter are electrically connected with a PLC controller, a relay and an electromagnetic valve in the test board.

The beneficial effects of the utility model are as follows: the electrode contact resistance detection device provided by the utility model is suitable for testing the resistance value of the power supply box, the power-on module is respectively conducted with the four electrodes of the power supply box in a pressing mode, the resistance value of each electrode is read, the multi-point test is carried out, and the accuracy of the test result is high.

Drawings

FIG. 1 is a schematic view showing the structure of an initial state of an electrode contact resistance detecting device according to the present utility model;

FIG. 2 is a schematic view showing a pressed state of the electrode contact resistance detecting device of the present utility model;

FIG. 3 is a schematic view of the structure of the product positioning plate of FIG. 1;

FIG. 4 is a schematic diagram of the power-on module in FIG. 1;

the components in the drawings are marked as follows: 1. a test bench; 2. a pneumatic slide rail module; 3. a pressing plate; 4. a base; 5. a power-on module; 6. a product positioning plate; 7. a guide post; 8. a return spring; 9. a product; 101. starting a switch; 102. an emergency stop switch; 103. pressing a button; 104. a rising button; 105. a resistance meter; 201. a support plate; 202. a cylinder; 203. a linear slide rail; 204. the sliding seat is connected; 501. an outer pressure head; 502. an inner pressure head; 503. a spring plate; 504. a probe; 601. a product tank; 602. a mounting groove; 603. circular through holes.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Referring to fig. 1 to 4, the present embodiment includes:

the utility model provides an electrode contact resistance detection device, which comprises a test bench 1, pneumatic slide rail module 2, clamp plate 3, base 4, circular telegram module 5, product locating plate 6, guide post 7 and reset spring 8, pneumatic slide rail module 2 vertical mount is in the intermediate position of test bench 1 up end, clamp plate 3 reciprocates through pneumatic slide rail module 2, base 4 horizontal mount is in the up end of test bench 1 and is located the below of clamp plate 3, circular telegram module 5 installs in the intermediate position of base 4 up end, guide post 7 and reset spring 8 correspond respectively and install in four angles department of base 4 up end, reset spring 8 is located the inboard of guide post 7, product locating plate 6 is level state movable mounting in the top of base 4 through guide post 7 and reset spring 8,

when the pressing plate 3 is pressed down, the product positioning plate 6 moves down along the guide post 7 by the pressure of the pressing plate 3 and is attached to the base 4; when the pressing plate 3 is lifted, the product positioning plate 6 moves up and returns along the guide post 7 by the elastic force of the return spring 8.

The upper end face of the product positioning plate 6 is provided with a product groove 601 for accommodating the product 9, the lower end face is provided with a mounting groove 602 for accommodating the power-on module 5, and the product groove 601 is communicated with the mounting groove 602. The product 9 to be detected is conveniently installed and positioned through the product tank 601, the product 9 is a power supply box, the shape and structure of the product tank 601 are the profile of the product 9, and the product 9 is not easy to move and shake during detection, so that the detection accuracy is ensured; when the pressing plate 3 is pressed down, the energizing module 5 is embedded in the mounting groove 602 of the product positioning plate 6 and is in contact connection with the product 9, so as to be conveniently conducted with the product 9.

Wherein, the four corners of the product positioning plate 6 are respectively provided with a circular through hole 603 for installing the guide post 7, and when the pressing plate 3 is pressed down or lifted up, the product positioning plate 6 can conveniently move up and down along the guide post 7. When the product 9 mounted in the product positioning plate 6 contacts the pressing force of the pressing plate 3, the product positioning plate 6 moves down along the guide post 7, and is compressed by the upper pressure return spring 8; when the pressing plate 3 rises, the pressure contacted by the product 9 disappears, and the return spring 8 enables the product positioning plate 6 to rise and return along the guide post 7 through the self elastic force.

The pneumatic slide rail module 2 comprises a support plate 201, an air cylinder 202, linear slide rails 203 and a connecting slide seat 204, wherein the air cylinder 202 is arranged on the upper portion of the front end face of the support plate 201 and is connected with the connecting slide seat 204, the two linear slide rails 203 are symmetrically arranged on the lower portion of the front end face of the support plate 201 respectively, the connecting slide seat 201 is in sliding connection with the linear slide rails 203, and the pressing plate 3 is arranged on the lower end face of the connecting slide seat 201. The connecting sliding seat 201 is controlled to slide up and down along the linear sliding rail 203 by the extension and retraction of the air cylinder 202, so that the pressing plate 3 is driven to move up and down, and the pressing plate 3 is pressed down and lifted up.

The power-on module 5 comprises an outer pressure head 501, an inner pressure head 502, an elastic sheet 503 and a probe 504, wherein the inner pressure head 502 is arranged in the outer pressure head 501 and extends to protrude out of the upper end of the outer pressure head 501, the elastic sheet 503 is respectively attached to the four directions outside the inner pressure head 502, and the probe 504 is respectively arranged in the four directions of the upper end of the outer pressure head 501 and is correspondingly positioned on the outer side of the elastic sheet 503.

Product 9 is placed in the product tank 601 in the product locating plate 6, and when product locating plate 6 pushes down initially, circular telegram module 5 is connected with product 9 contact, drives shell fragment 503 by interior pressure head 502 first for 4 shell fragments 503 insert respectively to the contact position of 4 electrodes in the product 9, after product locating plate 6 pushes down completely, extrude shell fragment 503 by outer pressure head 501 again, make 4 shell fragments 503 respectively with the contact in 4 electrodes in the product 9 in close contact, 4 probes 504 contact with 4 solder joints of the circuit board in the product 9 respectively simultaneously. The power-on module 5 is used for sequentially switching power-on to 4 electrodes of the product 9, and meanwhile, the electric meter is controlled to sequentially read corresponding resistors, judge the result and record corresponding resistance values.

In this embodiment, the front end face of the test bench 1 is provided with a start switch 101, an emergency stop switch 102, a push button 103, an up button 104 and a resistance meter 105, and the start switch 101, the emergency stop switch 102, the push button 103, the up button 104 and the resistance meter 105 are electrically connected with a PLC controller, a relay and an electromagnetic valve inside the test bench. The push button 103 and the up button 104 are pushed down and pushed up by the PLC controller and the electromagnetic valve to control the extension and contraction of the cylinder 202, so that the push and the up of the pressing plate 3 are controlled, the relay switches the paths to different electrodes, and the resistance value of each electrode is measured in sequence.

When the automatic electric meter is used, a product 9 is placed in a product groove 601 in a product positioning plate 6, a push button 103 is pressed to control an air cylinder 202 of a pneumatic slide rail module 2 to extend downwards, so that the pressing of a pressing plate 3 is controlled, when the pressing plate 3 is pressed downwards, the product positioning plate 6 moves downwards along a guide post 7 through the pressure of the pressing plate 3 and is attached to a base 4, 4 elastic sheets 503 of an electrifying module 5 are respectively in close contact with contacts of 4 electrodes in the product 9, meanwhile, 4 probes 504 are respectively in contact with 4 welding spots of a circuit board in the product 9, a program is activated by an upper computer, the program is automatically executed, a program control relay cuts a path to 1 electrode in the product positioning plate, an ammeter is controlled to read resistance, a judgment result is recorded, meanwhile, a resistance value is displayed on a resistance meter, the program control relay cuts the path to other 3 electrodes in sequence, after the other 3 electrodes are tested, the 4 electrodes are all tested, the lifting button 104 is pressed to control the air cylinder 202 of the pneumatic slide rail module 2 to shrink upwards, so that the lifting of the pressing plate 3 is controlled, the product positioning plate 6 is reset through the elasticity of a reset spring, the electrifying module 504 and the elastic sheets of the electrifying module 5 are not in contact with the 4 welding spots of the circuit board, the product 9 is not in contact with the product 9, and a product to be tested, and a state is waited for being tested.

In summary, the electrode contact resistance detection device provided by the utility model is suitable for testing the resistance value of the power supply box, and the resistance value of each electrode is respectively conducted and read by the four electrodes of the power supply box and the power supply module in a pressing manner, so that the multi-point test is performed, and the accuracy of the test result is high.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or straight lines or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides an electrode contact resistance detection device, its characterized in that includes testboard, pneumatic slide rail module, clamp plate, base, circular telegram module, product locating plate, guide post and reset spring, pneumatic slide rail module is vertical to be installed the intermediate position of testboard up end, the clamp plate passes through pneumatic slide rail module reciprocates, the base level is installed the up end of testboard and is located the below of clamp plate, circular telegram module is installed the intermediate position of base up end, guide post and reset spring correspond respectively and install four angles departments of base up end, reset spring is located the inboard of guide post, the product locating plate is level state movable mounting through guide post with reset spring in the top of base,

2. The electrode contact resistance detection device according to claim 1, wherein a product groove for accommodating a product is formed in an upper end face of the product positioning plate, a mounting groove for accommodating an energizing module is formed in a lower end face of the product positioning plate, and the product groove is communicated with the mounting groove.

3. The electrode contact resistance detecting device according to claim 2, wherein the four corners of the product positioning plate are respectively provided with circular through holes for mounting the guide posts, and the product positioning plate is movable up and down along the guide posts.

4. The electrode contact resistance detection device according to claim 1, wherein the pneumatic slide rail module comprises a support plate, a cylinder, a linear slide rail and a connecting slide seat, the cylinder is mounted on the upper portion of the front end face of the support plate and connected with the connecting slide seat, the two linear slide rails are symmetrically mounted on the lower portion of the front end face of the support plate respectively, and the connecting slide seat is slidably connected with the linear slide rail.

5. The electrode contact resistance detecting device according to claim 4, wherein the pressing plate is mounted on a lower end face of the connection slide.

6. The electrode contact resistance detection device according to claim 1, wherein the energizing module comprises an outer pressure head, an inner pressure head, an elastic sheet and a probe, the inner pressure head is installed in the outer pressure head and extends to protrude out of the upper end of the outer pressure head, the elastic sheet is respectively attached to the inner pressure head in four directions, and the probe is respectively installed in the four directions of the upper end of the outer pressure head and is correspondingly located on the outer side of the elastic sheet.

7. The electrode contact resistance detection device according to claim 1, wherein a start switch, a scram switch, a push button, an up button and a resistance meter are arranged on the front end face of the test bench, and the start switch, the scram switch, the push button, the up button and the resistance meter are electrically connected with a PLC controller, a relay and an electromagnetic valve inside the test bench.