Detection device for infiltration rate of pole piece

Abstract

The utility model relates to a pole piece infiltration rate detection device which comprises a container and a detection fixing clamp, a support is arranged at the top of the container, the detection fixing clamp is arranged outside the support, and the support and the container are connected in a detachable installation mode. The upper end of the detection fixing clamp is detachably connected with the bracket, and the lower end of the detection fixing clamp extends into the container and is in contact with the bottom of the container; the device has the advantages that the structure is reasonable, the infiltration effect is judged through the climbing height, the practicability is high, the infiltration effect is accurately judged in advance, and poor batch is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of pole piece infiltration detection, and particularly relates to a detection device for the infiltration rate of a pole piece. Background Art

[0002] During the battery production process, the absorption rate of the electrolyte by the electrode sheet of the battery cell directly affects the production efficiency of the battery. Different main materials, different compactions, and different dressing ratios will all affect the infiltration effect of the electrolyte on the electrode sheet. In the current actual manufacturing process, on the one hand, the difficulty of infiltration is inferred through the design of the compaction of the battery cell. On the other hand, the absorption and infiltration situation of the electrolyte is determined through the actual data of the liquid retention amount after injection. The above two situations cannot take into account both the advance and accuracy of the determination of the infiltration effect. Therefore, it is very necessary to provide a detection device for the infiltration rate of a pole piece with a reasonable structure, which determines the infiltration effect through the climbing height, has strong practicability, can accurately determine the infiltration effect in advance, and avoids causing batch defects. Summary of the Invention

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a detection device for the infiltration rate of a pole piece with a reasonable structure, which determines the infiltration effect through the climbing height, has strong practicability, can accurately determine the infiltration effect in advance, and avoids causing batch defects.

[0004] The purpose of the utility model is realized as follows: A detection device for the infiltration rate of a pole piece, which includes a container and a detection fixing clip. A bracket is arranged at the top of the container, and a detection fixing clip is arranged outside the bracket. The bracket and the container are connected by a detachable installation method. The upper end of the detection fixing clip is connected to the bracket by a detachable installation method, and the lower end extends into the container and contacts the bottom of the container.

[0005] The container includes a box body, and an opening is provided at the top of the box body.

[0006] The bracket includes a support rod, and a left support plate and a right support plate are respectively arranged at both ends of the support rod. The bracket is respectively connected to the top of the corresponding side plates of the container through the left support plate and the right support plate at both ends.

[0007] The detection fixing clip includes an upper pole piece clip and a lower pole piece clip. The upper pole piece clip and the lower pole piece clip are connected by a measuring scale plate. The upper pole piece clip, the lower pole piece clip, and the measuring scale plate are of an integrally formed structure.

[0008] The measuring scale plate is a standard scale, and measuring scales are arranged on both the front and back sides of the measuring scale plate. The measuring scales are standard scales.

[0009] The detection fixing clip further includes an upper fixing clip and a lower fixing clip. Arc-shaped through grooves are provided inside both the upper fixing clip and the upper pole piece clip, and the through grooves are used to accommodate the support rods.

[0010] The upper fixing clip and the upper pole piece clip are connected by a plurality of first fixing bolts, and the lower fixing clip and the lower pole piece clip are connected by a plurality of second fixing bolts; the cooperation between the upper fixing clip and the upper pole piece clip, and the cooperation between the lower fixing clip and the lower pole piece clip achieve the clamping and fixing of the pole piece.

[0011] The beneficial effects of the present utility model: The present utility model is a detection device for the infiltration rate of pole pieces. The present utility model determines the infiltration effect by the climbing height of the electrolyte on the pole piece, which is not limited to the measurement of pole pieces and is also applicable to the production introduction of new electrolytes. Moreover, the present utility model is applicable to the testing of various materials and is not limited to the lithium battery industry; during use, before testing the infiltration rate, the pole piece is cut to an appropriate size, and the detection fixing clip is used in cooperation with a bracket with a triangular structure for fixation. Subsequently, the fixed bracket is placed above the container, the device is placed on a horizontal tabletop, and finally, the electrolyte is slowly poured along the edge of the container to an appropriate liquid level; after the preparation work is completed, the initial liquid level is visually recorded horizontally through the measurement scale on the detection fixing clip. After the time required for the pole piece to be infiltrated, the climbing height after the capillary action of the electrolyte is recorded again through the measurement scale on the detection fixing clip. The infiltration rate is calculated through the height difference between the two times, thereby identifying the infiltration effect of the pole piece; when introducing a new pole piece design, the present utility model can accurately determine the infiltration effect of the battery pole piece in advance, adjust the process in advance, and avoid causing batch defects; the present utility model has the advantages of reasonable structure, determining the infiltration effect by the climbing height, strong practicability, accurately determining the infiltration effect in advance, and avoiding causing batch defects. Description of the Drawings

[0012] Figure 1 It is a schematic diagram of the use state of the present utility model.

[0013] Figure 2 For the present utility model Figure 1 Partial structural schematic diagram.

[0014] Figure 3 It is a schematic diagram of the structure of the bracket of the present utility model.

[0015] Figure 4 It is a schematic diagram of the structure of the detection fixing clip of the present utility model.

[0016] In the figure: 1. Container; 11. Box body; 12. Opening; 2. Bracket; 21. Support rod; 22. Left support plate; 23. Right support plate; 3. Detection fixing clip; 31. Upper pole piece clip; 32. Lower pole piece clip; 33. Measuring scale plate; 34. Measuring scale; 35. Upper fixing clip; 36. Lower fixing clip; 37. Through groove; 38. First fixing bolt; 39. Second fixing bolt. Specific implementation mode

[0017] The present utility model will be further described below with reference to the accompanying drawings. Embodiment

[0018] As Figures 1-4 Shown in the figure, a detection device for the infiltration rate of a pole piece includes a container 1 and a detection fixing clip 3. A bracket 2 is arranged at the top of the container 1, and a detection fixing clip 3 is arranged outside the bracket 2. The bracket 2 and the container 1 are connected by a detachable installation method; the upper end of the detection fixing clip 3 is connected to the bracket 2 by a detachable installation method, and the lower end extends into the container 1 and contacts the bottom of the container 1.

[0019] The present utility model is a detection device for the infiltration rate of a pole piece. The present utility model determines the infiltration effect by the climbing height of the electrolyte on the pole piece, is not limited to the measurement of the pole piece, is also applicable to the production introduction of new electrolytes, and the present utility model is applicable to the testing of various materials, not limited to the lithium battery industry; in use, before testing the infiltration rate, the pole piece is cut into an appropriate size, and the detection fixing clip 3 is used in cooperation with the bracket 2 of the triangular structure for fixation. Subsequently, the fixed bracket 2 is placed above the container 1, the device is placed on a horizontal tabletop, and finally the electrolyte is slowly poured along the edge of the container 1 to an appropriate liquid level; after the preparation work is completed, the initial liquid level is visually recorded horizontally through the measuring scale 34 on the detection fixing clip 3. After the time required for the pole piece to be infiltrated, the climbing height after the capillary action of the electrolyte is recorded again through the measuring scale 34 on the detection fixing clip 3. The infiltration rate is calculated through the height difference between the two times, so as to identify the infiltration effect of the pole piece; when the present utility model introduces a new pole piece design, it can accurately determine the infiltration effect of the battery pole piece in advance, can adjust the process in advance, and avoid causing batch defects; the present utility model has the advantages of reasonable structure, determining the infiltration effect by the climbing height, strong practicability, accurately determining the infiltration effect in advance, and avoiding causing batch defects. Embodiment

[0020] As Figures 1-4As shown in the figure, a detection device for the soaking rate of a pole piece includes a container 1 and a detection fixing clip 3. A bracket 2 is provided at the top of the container 1, and the detection fixing clip 3 is arranged outside the bracket 2. The bracket 2 is detachably connected to the container 1; the upper end of the detection fixing clip 3 is detachably connected to the bracket 2, and the lower end extends into the container 1 and contacts the bottom of the container 1.

[0021] The container 1 includes a box body 11, and an opening 12 is provided at the top of the box body 11.

[0022] The bracket 2 includes a support rod 21. Left and right support plates 22 and 23 are respectively arranged at both ends of the support rod 21. The bracket 2 is respectively connected to the tops of the corresponding side plates of the container 1 through the left and right support plates 22 and 23 at both ends.

[0023] The detection fixing clip 3 includes an upper pole piece clip 31 and a lower pole piece clip 32. The upper pole piece clip 31 and the lower pole piece clip 32 are connected by a measuring scale plate 33. The upper pole piece clip 31, the lower pole piece clip 32 and the measuring scale plate 33 are of an integrally formed structure.

[0024] The measuring scale plate 33 is a standard scale. Measuring scales 34 are arranged on both the front and back sides of the measuring scale plate 33, and the measuring scales 34 are standard scales.

[0025] The detection fixing clip 3 further includes an upper fixing clip 35 and a lower fixing clip 36. Arc-shaped through grooves 37 are arranged inside both the upper fixing clip 35 and the upper pole piece clip 31, and the through grooves 37 are used to accommodate the support rod 21.

[0026] The upper fixing clip 35 and the upper pole piece clip 31 are connected by a plurality of first fixing bolts 38, and the lower fixing clip 36 and the lower pole piece clip 32 are connected by a plurality of second fixing bolts 39; the upper fixing clip 35 and the upper pole piece clip 31 cooperate, and the lower fixing clip 36 and the lower pole piece clip 32 cooperate to clamp and fix the pole piece.

[0027] The present utility model relates to a detection device for the infiltration rate of a pole piece. The present utility model determines the infiltration effect by the climbing height of the electrolyte on the pole piece, which is not limited to the measurement of the pole piece and is also applicable to the production introduction of new electrolytes. Moreover, the present utility model is applicable to the testing of various materials and is not limited to the lithium battery industry. During use, before testing the infiltration rate, the pole piece is cut to an appropriate size and fixed using the detection fixing clip 3 in cooperation with the support 2 having a triangular structure. Subsequently, the fixed support 2 is placed above the container 1, the device is placed on a horizontal tabletop, and finally, the electrolyte is slowly poured along the edge of the container 1 to an appropriate liquid level. After the preparation work is completed, the initial liquid level is visually recorded horizontally through the measurement scale 34 on the detection fixing clip 3. After the time required for the pole piece to be infiltrated, the climbing height after the capillary action of the electrolyte is recorded again through the measurement scale 34 on the detection fixing clip 3. The infiltration rate is calculated through the height difference between the two times, thereby identifying the infiltration effect of the pole piece. When the present utility model introduces a new pole piece design, it can accurately determine the infiltration effect of the battery pole piece in advance, adjust the process in advance, and avoid causing batch defects. The present utility model has the advantages of reasonable structure, determining the infiltration effect by the climbing height, strong practicability, accurately determining the infiltration effect in advance, and avoiding causing batch defects.

Claims

1. A device for detecting the wetting rate of an electrode, comprising a container and a detection fixing clamp, characterized in that: A bracket is provided on the top of the container, a detection fixing clamp is provided outside the bracket, and the bracket is connected to the container in a detachable installation manner; the upper end of the detection fixing clamp is connected to the bracket in a detachable installation manner, and the lower end extends into the interior of the container and contacts the bottom of the container.

2. A device for detecting electrode wetting rate according to claim 1, characterized in that: The container comprises a box body, and an opening is formed on the top of the box body.

3. A device for detecting electrode wetting rate according to claim 2, characterized in that: The bracket comprises a support rod, and a left support plate and a right support plate are respectively arranged at both ends of the support rod. The bracket is connected to the top of the corresponding side plate of the container through the left support plate and the right support plate at both ends.

4. A device for detecting electrode wetting rate according to claim 3, characterized in that: The detection fixing clamp comprises an upper pole piece clamp and a lower pole piece clamp, the upper pole piece clamp and the lower pole piece clamp are connected via a measuring scale plate, and the upper pole piece clamp, the lower pole piece clamp and the measuring scale plate are an integrally formed structure.

5. A device for detecting electrode wetting rate according to claim 4, characterized in that: The measuring ruler is a standard scale ruler, and both the front and rear sides of the measuring ruler are provided with measuring scales, and the measuring scales are standard scales.

6. A device for detecting electrode wetting rate according to claim 4, characterized in that: The detection fixing clamp also includes a fixing upper clamp and a fixing lower clamp. The fixing upper clamp and the pole piece upper clamp are both provided with arc-shaped through grooves inside, and the through grooves are used to accommodate the support rods.

7. A device for detecting electrode wetting rate according to claim 6, characterized in that: The fixed upper clamp is connected to the pole piece upper clamp by a plurality of first fixing bolts, and the fixed lower clamp is connected to the pole piece lower clamp by a plurality of second fixing bolts; the fixed upper clamp cooperates with the pole piece upper clamp, and the fixed lower clamp cooperates with the pole piece lower clamp to achieve clamping and fixing of the pole piece.

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