An acid immersion device for detecting acid saturation of a battery separator

Abstract

The utility model relates to a kind of battery separator detection technical field, specifically to a kind of battery separator acid absorption saturation detection is used to immerse acid device. Including two symmetrical long circular rings, the upper end and the lower end of two long circular rings are fixedly connected, the lower end of lifting rod is fixedly connected with the upper end of two long circular rings, the middle part of lifting rod is bent to form hook part, the vertical part of long circular ring side is fixed with hook, the hook on two long circular rings is located in same side;It also includes acid cup, the cross section of acid cup is rectangular ring shape.The utility model's two symmetrical long circular rings form rigid frame by two connecting rods arranged up and down, can effectively make that separator is vertically immersed in acid liquor.The clamping design of hook part and acid cup edge ensures the acid immersion depth.

Description

Technical Field

[0001] This utility model relates to the field of battery separator testing technology, specifically to an acid immersion device for detecting the acid saturation of battery separators. Background Technology

[0002] The separator is an important insulating material inside the battery. In order to reduce the internal resistance and volume of the battery, the positive and negative plates should be as close as possible but not touch each other to avoid short circuit. Therefore, an insulating separator is added between adjacent positive and negative plates. The separator should be porous to allow electrolyte to permeate, and should also have good resistance to poison and alkali. Separator materials include wood, microporous rubber, microporous plastic, and resin-impregnated paper.

[0003] Currently, after the partitions are manufactured, they are tested to check their performance and saturation to ensure the pass rate. However, the existing partition testing equipment requires the partitions soaked in acid to be removed during use, which causes the acid adsorbed inside the partitions to be squeezed out, thus affecting the pass rate of the partitions.

[0004] To address the aforementioned technical issues, patent document CN216816201U discloses a battery separator acid saturation detection device, comprising: an acid cup; a separator bubble tube inserted into the middle of the inner side of the acid cup; a blocking member fitted into the bottom of the inner side of the separator bubble tube; and honeycomb holes equidistantly formed inside the blocking member. The acid cup has a bubble tube cup in the middle, with an overflow area between the bubble tube cup and the acid cup. A protective sheet is provided in the middle of the outer wall of the separator bubble tube, with its bottom surface abutting against the top of the bubble tube cup. A rubber sleeve is provided at the connection between the protective sheet and the separator bubble tube, with the protective sheet fitted onto the outside of the rubber sleeve. A bubble opening is provided in the middle of the separator bubble tube, with the blocking member fitted into the bottom of the inner side of the bubble opening. A suction cup is provided on the bottom surface of the acid cup, with its top surface adhering to the center of the bottom surface of the acid cup. In use, remove the septum soaking tube, pour a certain amount of acid into the inside of the soaking tube cup, place the septum to be tested inside the septum soaking tube, then hold the top of the septum soaking tube and place the end of the septum soaking tube located at the bottom of the protective sheet into the inside of the soaking tube cup, allowing the septum inside the septum soaking to soak. However, after the septum soaking tube with internal septum is placed into the soaking tube cup, the septum tends to float to the surface of the acid after contact with it, resulting in low acid absorption efficiency. When pouring the acid-absorbed septum out of the septum soaking tube, the acid-absorbed septum tends to adhere to the inside of the septum soaking tube, making it inconvenient to pour out the acid-absorbed septum for testing. Utility Model Content

[0005] The main objective of this invention is to provide a device for quickly immersing battery separators in acid during the acid saturation test. This device also facilitates the removal of the acid-immersed battery separators.

[0006] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0007] An acid immersion device for detecting the acid saturation of battery separators, made of acid-resistant metal material, is characterized by comprising two symmetrically arranged elongated rings, the upper and lower ends of which are fixedly connected, the lower end of a lifting rod being fixedly connected to the upper end of the two elongated rings, the middle part of the lifting rod being bent to form a hook, and a hook being fixed on the vertical part on one side of the elongated rings, with the hooks on the two elongated rings located on the same side; it also includes an acid cup, the cross-section of which is a rectangular ring.

[0008] Specifically, the hook and the hook portion are located on the same side.

[0009] Specifically, the upper and lower ends of the two long rings are fixedly connected by a connecting rod, and the lower end of the lifting rod is fixedly connected to the connecting rod above.

[0010] Specifically, a receiving plate is provided below the two long rings. One end of the receiving plate on the same side as the hook is open. The receiving plate is eccentrically rotatably connected to the connecting rod below. A float is fixed to the end of the receiving plate away from the hook.

[0011] Specifically, a vertical lower rod is fixed in the center of the lower end of the connecting rod below, and an ear plate is fixed eccentrically inside the receiving plate. The lower end of the lower rod is rotatably connected to the ear plate. After the receiving plate is lifted out of the acid cup, the end with the float can rotate downward.

[0012] Specifically, a stop bar is fixed inside the receiving plate. After the receiving plate is lifted out of the acid cup, the end with the float rotates downward. After the height of the end of the receiving plate with the float is greater than the height of the end with the opening, the stop bar contacts the lower rod and limits the rotation of the receiving plate.

[0013] Specifically, the lifting rod portions above and below the hook extend in the vertical direction.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. Two symmetrically arranged elongated rings form a rigid frame through two connecting rods positioned above and below, effectively allowing the partition to be vertically immersed in the acid solution. The snap-fit ​​design between the hook and the edge of the acid cup ensures the correct immersion depth.

[0016] 2. The eccentric rotating connection between the receiving tray and the float block enables automatic tilting when immersed in acid. After the receiving tray is removed from the acid, the open end remains tilted downwards under the constraint of the acid cup, preventing acid residue from remaining in the tray. After the receiving tray is removed from the acid cup, the limiting mechanism of the stop and lower lever further positions the tray, ensuring it can catch any accidental acid drips during battery separator movement.

[0017] 3. This utility model can be used to soak, drain and transfer battery separators, which is convenient to use and has high safety. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the present invention.

[0019] Figure 2 This is a schematic diagram of the process of immersing battery separators in acid.

[0020] Figure 3 This is a schematic diagram showing the receiving plate after it has been pulled out of the acid cup.

[0021] Figure 4 for Figure 3 A magnified view of region A in the middle.

[0022] The parts in the attached diagram are named as follows: 1. Long ring, 2. Connecting rod, 3. Hook, 4. Lifting rod, 5. Hook, 6. Lower rod, 7. Receiver plate, 8. Stop bar, 9. Ear plate, 10. Float, 11. Acid cup, 12. Battery separator. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1: Refer to Figures 1-4 As shown, an acid immersion device for detecting the acid saturation of a battery separator is made of acid-resistant metal material, preferably super austenitic stainless steel.

[0025] It includes two symmetrically arranged elongated rings 1, with their upper and lower ends fixedly connected. The lower end of the lifting rod 4 is fixedly connected to the upper end of the two elongated rings 1. The upper and lower ends of the two elongated rings 1 are fixedly connected by a connecting rod 2, and the lower end of the lifting rod 4 is fixedly connected to the connecting rod 2 above.

[0026] The lifting rod 4 is bent in the middle to form a hook 5, and the lifting rod 4 above and below the hook 5 extends vertically. A hook 3 is fixed on the vertical part on one side of the long ring 1, and the hooks 3 on the two long rings 1 are located on the same side, and the hooks 3 and the hook 5 are located on the same side.

[0027] It also includes an acid cup 11, which has a rectangular ring-shaped cross-section.

[0028] When immersing the battery separator 12 in acid, acid is added to the acid cup 11, and the battery separator 12 is placed between two elongated rings 1, with the battery separator 12 passing through the elongated rings 1. Then, the two elongated rings 1 and the battery separator 12 are placed into the acid cup 11 using the lifting rod 4, so that the battery separator 12 is submerged in the acid. Then, the hook 5 hooks onto the upper end of the acid cup 11 to prevent the elongated rings 1 and the battery separator 12 from continuing to descend. At this time, under the restraining effect of the elongated rings 1, the battery separator 12 cannot float out of the acid, which can improve the acid absorption efficiency of the battery separator 12.

[0029] After the battery separator 12 has absorbed the acid, the elongated ring 1 and the battery separator 12 are lifted by the lifting rod 4, so that the elongated ring 1 and the battery separator 12 are above the surface of the acid in the acid cup 11, and hooked to the upper end of the acid cup 11 by the hook 3. At this time, the excess acid on the battery separator 12 and the elongated ring 1 can drip into the acid cup 11. After all the excess acid has fallen into the acid cup 11, the elongated ring 1 and the battery separator 12 are removed from the acid cup 11 by the lifting rod 4. By changing the posture of the two elongated rings 1 by the lifting rod 4, so that the two elongated rings 1 are positioned vertically, the battery separator 12 that has completed acid absorption can fall out of the elongated ring 1, and then the acid saturation of the battery separator 12 can be detected.

[0030] Example 2: Based on Example 1, referring to... Figures 1-4 As shown, a receiving plate 7 is provided below the two long circular rings 1. One end of the receiving plate 7 is open on the same side as the hook 3. The receiving plate 7 is eccentrically connected to the connecting rod 2 below. A float 10 is fixed to one end of the receiving plate 7 away from the hook 3.

[0031] A vertical lower rod 6 is fixed in the center of the lower end of the lower connecting rod 2. An ear plate 9 is fixed eccentrically inside the receiving plate 7. The lower end of the lower rod 6 is rotatably connected to the ear plate 9. After the receiving plate 7 is lifted out of the acid cup 11, the end with the float 10 can rotate downward.

[0032] A stop bar 8 is fixed inside the receiving plate 7. After the receiving plate 7 is lifted out of the acid cup 11, the end with the float 10 rotates downward. After the height of the end of the receiving plate 7 with the float 10 is greater than the height of the end with the opening, the stop bar 8 contacts the lower rod 6 and limits the rotation of the receiving plate 7.

[0033] As the elongated ring 1 enters the acid liquid in the acid cup 11, the receiving plate 7 of the float 10 rotates upward under the buoyancy of the acid liquid on the float 10.

[0034] After the battery separator 12 is immersed in acid, the elongated ring 1 is kept close to the side wall of the acid cup 11 and moved upwards. When the hook 3 is hung on the upper end of the acid cup 11, the end of the receiving tray 7 with the opening is in contact with the side wall of the acid cup 11, and the height of the end of the receiving tray 7 with the opening is kept lower than the height of the end with the float 10. At this time, the acid in the receiving tray 7 and the acid adhering to the outside of the receiving tray 7 can drip into the acid cup 11.

[0035] After all excess acid has dripped from the receiving tray 7, the elongated ring 1, and the battery separator 12, the elongated ring 1, the tray, and the battery separator 12 can be removed from the acid cup 11 using the lifting rod 4. After the receiving tray 7 moves to the outside of the acid cup 11, due to the eccentric setting of the lower rod 6 and the float 10, the open end of the receiving tray 7 will rotate upwards. When the stop rod 8 contacts the lower rod 6, the receiving tray 7 is stopped. At this time, the height of the open end of the receiving tray 7 is lower than the height of the end with the float 10.

[0036] Since the battery separator 12 contains acid, during the movement of the battery separator 12, due to vibration and the inertia of the acid inside the battery separator 12, any acid that accidentally drips from the battery separator 12 can be caught by the receiving plate 7, thus preventing the acid that accidentally drips from the battery separator 12 from contacting the operator and improving the safety of moving the battery separator 12 after it has absorbed acid.

[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An acid immersion device for detecting the acid saturation of a battery separator, made of acid-resistant metal material, characterized in that, It includes two symmetrically arranged long circular rings (1), the upper and lower ends of the two long circular rings (1) are fixedly connected, the lower end of the lifting rod (4) is fixedly connected to the upper end of the two long circular rings (1), the middle part of the lifting rod (4) is bent to form a hook (5), a hook (3) is fixed on the vertical part on one side of the long circular ring (1), and the hooks (3) on the two long circular rings (1) are located on the same side; it also includes an acid cup (11), the cross-section of the acid cup (11) is a rectangular ring.

2. The acid immersion device for detecting the acid saturation of a battery separator according to claim 1, characterized in that, The hook (3) and the hook (5) are located on the same side.

3. The acid immersion device for detecting the acid saturation of a battery separator according to claim 1, characterized in that, The upper and lower ends of the two long circular rings (1) are fixedly connected by a connecting rod (2), and the lower end of the lifting rod (4) is fixedly connected to the connecting rod (2) above.

4. The acid immersion device for detecting the acid saturation of a battery separator according to claim 3, characterized in that, A receiving plate (7) is provided below the two long circular rings (1). One end of the receiving plate (7) on the same side as the hook (3) is open. The receiving plate (7) is eccentrically connected to the connecting rod (2) below. A float (10) is fixed at one end of the receiving plate (7) away from the hook (3).

5. The acid immersion device for detecting the acid saturation of a battery separator according to claim 4, characterized in that, The lower end of the connecting rod (2) is fixed with a vertical lower rod (6) in the center, and the ear plate (9) is fixed eccentrically inside the receiving plate (7). The lower end of the lower rod (6) is rotatably connected to the ear plate (9).

6. The acid immersion device for detecting the acid saturation of a battery separator according to claim 5, characterized in that, The receiving plate (7) is fixed with a stop bar (8). After the receiving plate (7) is lifted out of the acid cup (11), the end with the float (10) rotates downward. After the height of the end of the receiving plate (7) with the float (10) is greater than the height of the end with the opening, the stop bar (8) contacts the lower rod (6) and limits the rotation of the receiving plate (7).

7. The acid immersion device for detecting the acid saturation of a battery separator according to claim 1, characterized in that, The lifting rod (4) portions above and below the hook (5) extend in the vertical direction.

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