CN219996953U - Elastic flexible material conductive test auxiliary device - Google Patents

Abstract

The utility model provides an auxiliary device for conductive testing of elastic and flexible materials, which includes an electrochemical workstation, a frame and a placing platform. The placing platform includes a first placing platform and a second placing platform, and the second placing platform and the first placing platform The tables are detachably and rotatably connected. The first placing table and the second placing table are respectively fixed with conductive chucks. A chute is provided on the frame. The first placing table is fixedly connected to one end of the chute. The third placing table is fixedly connected to one end of the chute. The two placing tables are slidingly connected to the chute. One side of the chute is provided with a horizontal scale, and the other side of the chute is provided with a semicircular scale. The sample to be tested is placed on the placing table and its two ends are respectively The conductive chucks on the first placing table and the second placing table are clamped, and the two electrode clamps of the electrochemical workstation clamp the two conductive chucks on the placing table respectively to test the conductive properties of the sample to be tested under different conditions. The utility model can more accurately test the electrical properties and changes of elastic flexible materials under different stretching or bending states.

Description

An auxiliary device for conductive testing of elastic and flexible materials

Technical field

The utility model relates to the technical field of testing devices, in particular to an auxiliary device for conductive testing of elastic and flexible materials.

Background technique

The elastic material conductivity testing device is a device for testing the bending performance, tensile strength and conductivity of flexible materials. For the testing of flexible materials, a dedicated conductivity testing device is required. With the continuous development of science and technology, human beings have higher and higher requirements for the conductivity of flexible materials. In the existing technology, it is often necessary to build relevant testing equipment by yourself to test the electrical properties of elastic flexible materials under different bending degrees or tensile strengths, and the test results are often not accurate enough. Currently, there is no device that can directly test the conductive properties of elastic flexible materials under different bending degrees and tensile strengths.

In the prior art, the patent with the publication number CN216208246U discloses a jig for bending resistance testing of flexible circuit boards, including a test bench. The top of the test bench is provided with a plurality of test slots of different diameters, and A mounting slot is provided on one side of the test bench. A storage box is inserted inside the mounting slot, and a plurality of mounting seats are installed inside the storage box. Test rods of different diameters are respectively clamped on the multiple mounting seats. , Two support blocks are symmetrically installed on both sides of the bottom end of the test bench, and plug-in slots are symmetrically provided on both sides of the top of the test bench. It also includes a removable pressing mechanism, and the pressing mechanism includes The installation frames are symmetrically distributed on both sides of the test slot. Through the cooperation of the support block and the plug-in slot, this utility model can connect multiple jigs in sequence, thereby effectively increasing the stability of the jigs when they are stacked and preventing fixation. Tools will not tip over when stacked to achieve stable and orderly storage of jigs. However, there is currently no report on a conductive property testing device for material splines that accurately displays the degree of bending and stretching. In view of the deficiencies in the existing technology, the present utility model provides an auxiliary device for conductive testing of elastic and flexible materials.

Utility model content

The utility model provides an auxiliary device for conductive testing of elastic and flexible materials, which integrates flexibility measurement and conductive performance measurement. It can conduct different tests on materials according to the needs of experimental data; through the reading of angle, deformation amount and electrochemical data, the Quantitative analysis of materials and correlation of properties improve the original bending analysis of fuzzy flexible materials and the inability to coordinate data, speed up data acquisition, and realize the integration of comprehensive analysis of bending degree, tensile strength and conductive properties, significantly improving Experimental results.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

An auxiliary device for conductive testing of elastic and flexible materials, including an electrochemical workstation, which is characterized in that it also includes a frame and a placement platform. The placement platform includes a first placement platform and a second placement platform, and the second placement platform and the third placement platform A placing platform is removably and rotatably connected. The first placing platform and the second placing platform are respectively fixed with conductive chucks. A chute is provided on the frame. The first placing platform is fixedly connected to one end of the chute. , the second placing platform is slidably connected to the chute after being disassembled from the first placing platform. One side of the chute is provided with a horizontal scale, and the other side is provided with a semicircular dial; elastic or flexible materials are placed on the placing The two electrode clamps of the electrochemical workstation respectively clamp the two conductive chucks on the first placement stage and the second placement stage to test different The conductive properties of elastic or flexible materials in the state.

In order to optimize the above technical solutions, specific measures taken also include:

Further, the range of the horizontal scale is 0-30cm, which covers the stretching length of most elastic materials.

Further, the measurement range of the semicircular dial is 0-180°.

Furthermore, the placement platform is provided with a groove for placing elastic material or flexible material to facilitate fixing the sample and prevent the sample from being unstable during the bending test.

Further, the conductive testing device further includes a stretching device. The stretching device includes a stretching spring. One end of the stretching spring is fixed with a hook and the other end is fixed with a pull ring. The second placement platform is provided with There are pull holes that match the draw hooks; in the tensile test, the use of a tensile device can make the elastic material more evenly stressed and make the test results more accurate.

Furthermore, a clamping block is fixed on the side of the stretching device, and a number of clamping slots adapted to the clamping block are provided in the chute; when the elastic material sample is stretched to the required length and needs to be fixed, During testing, insert the block into the slot in the chute to fix the position of the sample.

Further, the elastic flexible material conductive testing auxiliary device also includes a moving rod, a moving groove is provided on the frame, and a bolt is slidably connected in the moving groove. One end of the moving rod is fixedly connected to the bolt, and the other end is fixedly connected to the bolt. Detachably connected to the second placement table.

Further, the conductive testing device also includes a twisted pair, and two electrode posts are fixed on the frame. One end of the two twisted wires is fixedly connected to the two electrode posts, and the other end is fixed with an electrode. chucks, two electrode chucks hold two conductive chucks respectively, and the two electrode chucks of the electrochemical workstation hold two electrode columns respectively; during each test, only the two electrode chucks of the electrochemical workstation need to be The electrode clip only needs to hold two electrode columns, which is convenient and quick to operate. It avoids the electrode clip from moving with the movement of the conductive chuck during the test, and reduces the loss of the electrode clip.

Further, the electrochemical workstation is Chenhua CHI660E electrochemical workstation or CHI760E electrochemical workstation.

The beneficial effects of this utility model are:

(1) This utility model can test the conductive properties of flexible materials under different bending and deformation states, and can also test the conductive properties of elastic materials under different bending and deformation states and under different stretching states. It can be moved by a stretching device or a toggle. The rod drives the second placement platform to move, so that the elastic material sample is evenly stressed in the horizontal direction. Through the cooperation of the clamping block and the slot, the elastic material sample is kept in a predetermined tensile state for testing of electrical properties. Through the deformation amount, electrical properties The reading of performance data and quantitative analysis of elastic materials make the relationship between the two clearer;

(2) The utility model bends and deforms the elastic material sample by rotating the second placement stage. By recording the data related to the bending angle and electrical properties, the impact of different bending degrees on the electrical properties of the elastic material can be directly obtained.

Description of the drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a schematic structural diagram of the placement platform;

Figure 3 is a schematic structural diagram of the stretching device;

Figure 4 is a schematic structural diagram of Embodiment 2 of the present utility model;

Figure 5 is the test flow chart;

Figure 6 shows the electrical properties test of elastic materials under different tensile states;

Figure 7 shows the electrical properties test of elastic materials under different bending states;

Among them, 1 is the frame, 2 is the placement platform, 201 is the first placement platform, 202 is the second placement platform, 203 is the groove, 3 is the conductive chuck, 4 is the semicircular dial, and 5 is the electrode column. 6 is the horizontal scale, 7 is the chute, 8 is the stretching device, 801 is the hook, 802 is the pull ring, 803 is the pull hole, 804 is the block, and 9 is the moving rod.

Detailed ways

Example 1

As shown in Figure 1, an auxiliary device for conductive testing of elastic and flexible materials includes an electrochemical workstation, and the electrochemical workstation is Chenhua CHI760E electrochemical workstation.

It also includes a frame 1 and a placement platform 2. As shown in Figure 2, the placement platform 2 includes a first placement platform 201 and a second placement platform 202. The second placement platform 202 and the first placement platform 201 are detachable and rotatable. Connection, the first placing platform 201 and the second placing platform 202 are respectively fixed with conductive chucks 3, the placing platform 2 is provided with a groove 203 for inserting elastic materials; the said frame 1 is provided with a The chute 7. The first placing platform 201 is fixedly connected to one end of the chute 7. The second placing platform 202 is slidably connected to the chute 7 after being disassembled from the first placing platform 201.

One side of the chute 7 is provided with a horizontal scale 6, and the range of the horizontal scale 6 is 0-30cm. The other side of the chute 7 is provided with a semicircular scale 4. The semicircular scale 4 The measuring range of disk 4 is 0-180°.

The elastic material or flexible material is placed on the placement platform 2 and its two ends are clamped by the conductive chucks 3 on the first placement platform 201 and the second placement platform 202 respectively; the conductive testing device also includes twisted pairs, the Two electrode posts 5 are fixed on the frame 1. One end of the two twisted pairs is fixedly connected to the two electrode posts 5, and the other end is fixed with an electrode chuck. The two electrode chucks respectively clamp the two electrode posts 5. There are two conductive chucks 3. The two electrode clips of the electrochemical workstation respectively hold two electrode posts 5 to test the conductive properties of elastic materials or flexible materials in different states.

As shown in Figure 3, the elastic flexible material conductive testing auxiliary device also includes a stretching device 8. The stretching device 8 includes a stretching spring. One end of the stretching spring is fixed with a hook 801, and the other end is fixed with a tensioning hook 801. Ring 802, the second placement platform 202 is provided with a pull hole 803 adapted to the pull hook 801, a blocking block 804 is fixed on the side of the stretching device 8, and a number of blocking blocks 804 are provided in the chute 7 Adaptable card slot.

Example 2

As shown in FIG. 4 , in this embodiment, based on Embodiment 1, the stretching device 8 is replaced with a moving groove and a moving rod 9 to move the second placing platform 202 , and the other components remain unchanged.

The working principle of this utility model is as follows:

As shown in Figure 5, first start the electrochemical workstation, clamp the two electrode clamps of the electrochemical workstation on the two electrode posts 5 on the frame 1, and then prepare the sample to be tested to fit the groove 203 shape and placed into the groove 203, then clamp the two electrode chucks on the two conductive chucks 3 respectively, and finally disassemble the first placing platform 201 and the second placing platform 202 so that they can face each other. move.

Use the stretching device 8 or the moving rod 9 to stretch the second placement platform 202 to the right.

When using the stretching device 8, hook the hook 801 of the stretching device 8 into the drawing hole 803 on the second placement platform 202, pull the stretching device 8 horizontally, and the sample to be tested is elongated under the pulling of the stretching device 8. The stretching device 8 can be fixed at different positions by using the cooperation between the clamping block 804 and the clamping slot to test changes in the electrical properties of the elastic material under different stretching states.

When using the moving rod 9, move the moving rod 9 to the right, so that the moving rod 9 moves in the chute 7 and drives the second placing platform 202 to move. The specific test results are shown in Figure 6.

Then test the changes in the electrical properties of the elastic material or flexible material under different bending degrees, load the sample according to the steps for testing tensile properties, and then connect the first placement platform 201 and the second placement platform 202 through the rotating shaft so that the two can face each other. Turn. Remove the stretching device 8 or detach the moving rod 9 from the second placement platform 202, and press the second placement platform 202 clockwise to test the changes in the electrical properties of the elastic material or flexible material under different bending states. The test results are shown in Figure 7.

Figure 6 is the data measured at a voltage of 0.1V for a hydrogel added with 0.5% hydroxylated carbon nanotubes (i.e. 0.5% CNT-OH+ND): when the first curve is from 0 to 20 seconds, the hydrogel The current change when the tensile deformation amount is 5cm; the second section of the curve is 20 to 40 seconds, the current change of the hydrogel stretching deformation is 10cm; the third section of the curve is 40 to 60 seconds, the hydrogel is stretched The current change when the deformation amount is 15cm; the fourth curve is the current change when the hydrogel tensile deformation amount is 20cm between 60 and 80 seconds.

Figure 7 shows the changes in the electrical properties of the flexible material when it is bent: when the first curve is 0 to 20 seconds, the current change of the hydrogel is placed flat at 180°; when the second curve is 20 to 40 seconds, the hydrogel is The current change when the gel is bent at 135°; the third curve is the current change when the hydrogel is bent at 90° for 40 to 60 seconds; the fourth curve is for 60 to 80 seconds when the hydrogel is bent at 70° Current changes.

It should be noted that terms such as "upper", "lower", "left", "right", "front", "back", etc. cited in the utility model are only for convenience of description and are not used to describe the meaning. In order to limit the implementable scope of the present utility model, changes or adjustments in the relative relationships shall also be regarded as the implementable scope of the present utility model without substantial changes in the technical content.

The above are only preferred embodiments of the present utility model. The protection scope of the present utility model is not limited to the above-mentioned embodiments. All technical solutions falling under the idea of the present utility model belong to the protection scope of the present utility model. It should be pointed out that for those of ordinary skill in the art, several improvements and modifications without departing from the principle of the present utility model should be regarded as the protection scope of the present utility model.

Claims (9)

1. An auxiliary device for conductive testing of elastic and flexible materials, including an electrochemical workstation, which is characterized in that it also includes a frame (1) and a placement platform (2), and the placement platform (2) includes a first placement platform (201) and a second placing platform (202). The second placing platform (202) and the first placing platform (201) are detachably and rotationally connected. The first placing platform (201) and the second placing platform (202) are respectively A conductive chuck (3) is fixed, a chute (7) is provided on the frame (1), the first placing platform (201) is fixedly connected to one end of the chute (7), and the second placing The platform (202) is disassembled from the first placement platform (201) and is slidably connected to the chute (7). One side of the chute (7) is provided with a horizontal scale (6), and the other side is provided with a semicircular scale. The plate (4); the elastic or flexible material is placed on the placement platform (2) and its two ends are clamped by the conductive chucks (3) on the first placement platform (201) and the second placement platform (202), so The two electrode clamps of the electrochemical workstation respectively clamp the two conductive chucks (3) on the placement table (2) to test the conductive properties of elastic materials or flexible materials in different states. 2. An auxiliary device for conductive testing of elastic and flexible materials according to claim 1, characterized in that the range of the horizontal scale (6) is 0-30cm. 3. An auxiliary device for conductive testing of elastic and flexible materials according to claim 1, characterized in that the measurement range of the semicircular dial (4) is 0-180°. 4. An auxiliary device for conductive testing of elastic and flexible materials according to claim 1, characterized in that a groove (203) for placing elastic materials or flexible materials is provided on the placing platform (2). 5. An auxiliary device for conducting conductive testing of elastic and flexible materials according to claim 1, characterized in that it also includes a stretching device (8), the stretching device (8) comprising a stretching spring, the stretching spring A hook (801) is fixed on one end of the hook (801), and a pull ring (802) is fixed on the other end. The second placement platform (202) is provided with a pull hole (803) adapted to the hook (801). 6. An auxiliary device for conductive testing of elastic and flexible materials according to claim 5, characterized in that a clamping block (804) is fixed on the side of the stretching device, and a plurality of openings are provided in the chute (7). The card slot for the card block (804). 7. An auxiliary device for conductive testing of elastic and flexible materials according to claim 1, characterized in that the auxiliary device for conductive testing of elastic and flexible materials further includes a moving rod (9), and the frame (1) is provided with a The moving groove has bolts slidably connected in the moving groove. One end of the moving rod (9) is fixedly connected to the bolt, and the other end is detachably connected to the second placement platform (202). 8. An auxiliary device for conductive testing of elastic and flexible materials according to claim 1, characterized in that it also includes a twisted pair, and two electrode posts (5) are fixed on the frame (1), and the two electrode posts (5) are fixed on the frame (1). One end of the twisted pair is fixedly connected to the two electrode posts (5), and the other end is fixed with an electrode chuck. The two electrode chucks hold two conductive chucks (3) respectively. The electrochemical workstation The two electrode clamps hold two electrode posts (5) respectively. 9. An auxiliary device for conductive testing of elastic and flexible materials according to claim 1, characterized in that the electrochemical workstation is Chenhua CHI660E electrochemical workstation or CHI760E electrochemical workstation.