CN205176138U - Resistance test tool - Google Patents

Abstract

The utility model discloses a resistance test tool, which comprises a frame, be provided with the workstation in the frame, be provided with down on the workstation and test the carrier and set up the rapid fixture who tests the top of carrier under, rapid fixture includes the handle that slip table and drive slip table go up and down, the bottom of slip table be provided with with test down that the carrier corresponds on test the carrier, rapid fixture's lower part is provided with and is used for adjusting the adjusting nut who tests the carrier down and test the distance between the carrier on and, the lower part of testing the carrier down is provided with pressure sensor, still be provided with the electronic display terminal on the workstation, the electronic display terminal links to each other with pressure sensor, wait that the electrically conductive sticky tape class product that detects is placed and test the carrier under on, through adjustment handle, will place and wait to detect the product centre gripping on testing the carrier under, adjusting nut can adjust and test the carrier and test the distance between the carrier down to test the carrier in the regulation and test the pressure between the carrier down.

Description

Resistance test fixture

technical field

The utility model relates to the field of resistance testing, in particular to a resistance testing jig.

Background technique

The shielding tape currently on the market is mainly based on various conductive substrates, such as conductive fiber cloth, conductive copper foil, conductive aluminum foil, conductive foam and other materials, and is coated with pressure-sensitive adhesive on one or both sides. In order to ensure effective shielding or grounding performance, and to scientifically, effectively and reasonably evaluate and manage the electrical properties of such products, the electrical properties of such conductive materials must be Simple and effective control by testing resistance. Resistance testing is generally divided into horizontal resistance and vertical resistance. However, the current resistance measuring instruments on the market are generally obtained by measuring the test leads like a multimeter, and the measurement error due to the different contact areas between the test leads and the material is very large, and the specifications of the test materials cannot be unified, and the test data are not comparable. However, some of them are measured by square resistance and simple copper block, so it is impossible to determine the amount of pressing, and it is impossible to simulate and determine according to the required force.

Utility model content

The technical problem solved by the utility model is to provide a resistance test jig for a resistance test device which can control the pressing force.

The technical solution adopted by the utility model to solve the technical problem is: the resistance test fixture includes a frame, a workbench is arranged on the frame, a lower test carrier and a quick fixture arranged on the top of the lower test carrier are arranged on the workbench, The quick fixture includes a slide table and a handle that drives the slide table up and down. The bottom of the slide table is provided with an upper test carrier corresponding to the lower test carrier, and the lower part of the quick fixture is provided with an adjustment device for adjusting the distance between the lower test carrier and the upper test carrier. nut, the lower part of the lower test carrier is provided with a pressure sensor, and an electronic display terminal is also provided on the workbench, and the electronic display terminal is connected with the pressure sensor.

Place the conductive tape product to be tested on the lower test carrier, and clamp the product to be tested placed on the lower test carrier by adjusting the handle; the adjustment nut can adjust the distance between the upper test carrier and the lower test carrier, thereby adjusting The contact pressure between the upper test carrier and the lower test carrier; the pressure sensor is used to sense the pressure between the upper test carrier and the lower test carrier, and display it through the electronic display terminal.

Further, the lower test carrier is a gold-plated copper block, and the upper test carrier is a gold-plated copper block.

Further, a power switch and a pressure reset switch are arranged on the outside of the electronic display terminal.

Further, the number of the lower test carriers is 1 to 4, the number of the quick clamps is 1 to 4, the number of the pressure sensors is 1 to 4, the number of the lower test carriers, the number of the quick clamps The number is the same as the number of pressure sensors.

Further, the frame is a bakelite frame.

The beneficial effects of the utility model are: place the conductive tape products to be detected on the lower test carrier, and clamp the product to be detected on the lower test carrier by adjusting the handle; the adjustment nut can adjust the upper test carrier and the lower test carrier to adjust the contact pressure between the upper test carrier and the lower test carrier; the pressure sensor is used to sense the pressure between the upper test carrier and the lower test carrier, and display it through the electronic display terminal; the gold-plated copper swimsuit is used Place the material to be tested, the resistance of the copper block is extremely small, and as a test carrier, the actual resistance of the material to be tested is minimally affected; the surface of the copper block is plated with gold to prevent the copper block from being oxidized due to long-term contact with air, which affects the test accuracy of the resistance.

Description of drawings

Fig. 1 is the schematic diagram of the front view of the resistance test fixture;

Fig. 2 is a schematic diagram of the left view of the resistance test fixture;

Marked in the figure: frame 1, power switch 11, pressure reset switch 12, workbench 2, lower test carrier 3, quick clamp 4, slide table 41, handle 42, upper test carrier 43, adjustment nut 44, pressure sensor 5 , electronic display terminal 6.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.

As shown in Figures 1 to 2, the resistance test fixture includes a frame 1, a workbench 2 is arranged on the frame 1, a lower test carrier 3 and a quick fixture arranged on the lower test carrier 3 are arranged on the workbench 2 4. The quick fixture 4 includes a slide table 41 and a handle 42 that drives the slide table 41 to lift up and down. The bottom of the slide table 41 is provided with an upper test carrier 43 corresponding to the lower test carrier 3, and the lower part of the quick fixture 4 is provided with an upper test carrier for adjusting the lower test carrier. 3 and the adjusting nut 44 of the pressure between the upper test carrier 43, the lower part of the lower test carrier 3 is provided with a pressure sensor 5, and an electronic display terminal 6 is also arranged on the workbench 2, and the electronic display terminal 6 is connected to the pressure sensor 5; The detected conductive tape products are placed on the lower test carrier 3, and the sliding table 41 is driven to descend by adjusting the handle 42, and the upper test carrier 43 is driven to descend to clamp the product to be tested placed on the lower test carrier 3; at the same time, the adjustment nut 44 can Adjust the distance between the upper test carrier 43 and the lower test carrier 3, thereby adjusting the contact pressure between the upper test carrier 43 and the lower test carrier 3; the pressure sensor 5 is used to sense the gap between the upper test carrier 43 and the lower test carrier 3 The pressure is displayed through the electronic display terminal 6; the measuring range of the pressure sensor is adjustable from 0.1g to 5000g, and the precision is 0.1g. The resistance measured under the same pressure is more comparable.

The lower test carrier 3 is a gold-plated copper block, and the upper test carrier 43 is a gold-plated copper block; the gold-plated copper block swimsuit is used to place the material to be detected, and the resistance of the copper block is extremely small, which is the actual resistance value of the material to be detected as the test carrier The impact is minimal; gold plating on the surface can prevent the copper block from being oxidized due to long-term contact with air, which affects the test accuracy of the resistance. The surface of the gold-plated copper block adopts advanced laser grinding method to ensure the plane flatness of the gold-plated copper block, which makes the contact with the material to be tested more sufficient, so that the measured data is more stable.

The outside of the electronic display terminal 6 is provided with a power switch 11 and a pressure reset switch 12; the power switch 11 can avoid wasting power when not in use; the pressure reset switch 12 can be reset after each test, ensuring that each The test pressure is accurate.

The number of the lower test carriers 3 is 1 to 4, the number of the quick clamps 4 is 1 to 4, the number of the pressure sensors 5 is 1 to 4, the number of the lower test carriers 3, the quick clamps 4 The quantity and the quantity of the pressure sensor 5 are the same; specifically, the quantity of the lower test carrier 3 can be 1, the quantity of the quick clamp 4 can be 1, the quantity of the pressure sensor 5 can be 1, and one test product can be tested at a time ; Or the quantity of the lower test carrier 3 is 2, the quantity of the quick fixture 4 is 2, the quantity of the pressure sensor 5 is 2, and 2 products to be tested are tested at a time; or the quantity of the lower test carrier 3 is 3 , the number of quick fixtures 4 is 3, the number of pressure sensors 5 is 3, and 3 products to be tested are tested at a time; or the number of lower test carriers 3 is 4, the number of quick fixtures 4 is 4, and the pressure sensor The quantity of 5 is 4, and 4 products to be tested are tested at a time.

The frame 1 is a bakelite frame. The bakelite has the characteristics of insulation, no static electricity, wear-resistant, moisture-proof, moisture-proof, and not easily deformed, and can perform frequent resistance tests.

In the resistance test fixture of the utility model, the conductive tape products to be tested are placed on the lower test carrier, and the product to be tested placed on the lower test carrier is clamped by adjusting the handle; the adjustment nut can adjust the upper test carrier and the lower test carrier. The contact pressure between the carriers; the pressure sensor is used to sense the distance between the upper test carrier and the lower test carrier, so as to adjust the pressure between the upper test carrier and the lower test carrier, and display it through the electronic display terminal; adopt gold-plated copper block The material to be tested is placed in the swimsuit, and the resistance of the copper block is extremely small. As a test carrier, the actual resistance of the material to be tested is minimally affected; the surface of the copper block is plated with gold to prevent the copper block from being oxidized due to long-term contact with air, which affects the test accuracy of the resistance.

The specific embodiments described above further describe the purpose, technical solutions and beneficial effects of the present utility model in detail. For the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (5)

1. The resistance test fixture includes a frame, which is characterized in that: the frame is provided with a workbench, the workbench is provided with a lower test carrier and a quick fixture arranged on the top of the lower test carrier, and the quick fixture includes a slide table and a drive slide The handle for lifting and lowering the platform, the bottom of the slide table is provided with the upper test carrier corresponding to the lower test carrier, the lower part of the quick clamp is provided with an adjustment nut for adjusting the distance between the lower test carrier and the upper test carrier, and the lower part of the lower test carrier is set There is a pressure sensor, and an electronic display terminal is arranged on the workbench, and the electronic display terminal is connected with the pressure sensor. 2 . The resistance test fixture according to claim 1 , wherein the lower test carrier is a gold-plated copper block, and the upper test carrier is a gold-plated copper block. 3 . 3 . The resistance test fixture according to claim 1 , wherein a power switch and a pressure reset switch are arranged on the outside of the electronic display terminal. 4 . 4. The resistance test fixture according to claim 1, wherein the number of the lower test carriers is 1 to 4, the number of the quick clamps is 1 to 4, and the number of the pressure sensors is 1 to 4, the number of lower test carriers, the number of quick fixtures and the number of pressure sensors are the same. 5. The resistance testing fixture according to claim 1, wherein the frame is a Bakelite frame.