AGM lead-acid storage battery electrolyte extracting and quantifying tool

Abstract

The utility model relates to an electrolyte extracting and quantifying tool for an AGM (Absorbed Glass Mat) lead-acid storage battery. Belongs to the technical field of lead-acid storage batteries. The electrolyte extracting and quantifying tool is mainly provided for the AGM lead-acid storage battery. The device is mainly characterized by comprising an acid storage barrel, a quantitative bottle and an acid extraction nozzle, wherein the acid storage barrel is a negative pressure acid storage barrel, and the quantitative bottle is a negative pressure quantitative bottle; the acid storage barrel is provided with a first pipeline which can be connected with a negative pressure system or device; the tops and the bottoms of the acid storage barrel and the quantitative bottle are respectively provided with a connecting pipeline and a control valve; and the acid extraction nozzle is connected with the quantitative bottle through a fifth pipeline. The electrolyte extracting and quantifying device has the characteristics of simple structure, convenience in use and capability of quickly extracting acid and quantifying, can improve the working efficiency of process developers, saves the cost, reduces the labor intensity of the personnel and improves the research and development production efficiency, and is mainly used for extracting and quantifying electrolyte in the process of optimizing the acid adding process of the AGM lead-acid storage battery.

Description

Technical Field

[0001] The utility model belongs to the technical field of lead-acid batteries, and in particular relates to an electrolyte extraction and quantitative tooling for AGM lead-acid batteries. Background Art

[0002] The acid in the AGM lead-acid battery is attached to the separator. After formation, some free acid needs to be extracted. In order to ensure that the acid saturation of the finished battery is 94%-98%, the process developers must strictly control the amount of acid added to the battery. The acid addition equipment can directly control the amount of acid added to each cell. However, there is no recording equipment for the amount of acid extracted from each cell after formation. The acid extraction process is manually sucked out with a straw and weighed, and then the acid addition process is optimized. In order to obtain a suitable acid addition process, several rounds of experiments are often required to confirm the process. In this process, the acid extraction stage consumes a lot of manpower and material resources, and is inefficient. For large companies with many product types, the efficiency of product development is greatly reduced. Summary of the invention

[0003] In view of the problems existing in the prior art, the utility model provides an AGM lead-acid battery electrolyte extraction and quantification tool, which can quickly complete acid extraction and facilitate reading of the extracted amount.

[0004] The technical solution of the utility model is: an AGM lead-acid battery electrolyte extraction and quantitative tool, which is characterized by: comprising an acid storage barrel, a quantitative bottle and an acid extraction nozzle; wherein the acid storage barrel is a negative pressure acid storage barrel, and the quantitative bottle is a negative pressure quantitative bottle; the acid storage barrel is provided with a first pipeline that can be connected to a negative pressure system or device; the top and bottom of the acid storage barrel and the quantitative bottle are respectively provided with connecting pipelines and control valves; the acid extraction nozzle is connected to the quantitative bottle through a fifth pipeline.

[0005] The connecting pipeline and control valve between the acid storage barrel and the quantitative bottle described in the technical solution of the utility model include a three-way valve, a valve, a second pipeline, a third pipeline and a fourth pipeline; one end of the second pipeline, the third pipeline and the fourth pipeline are respectively connected to the three-way valve, the other end of the second pipeline is connected to the acid storage barrel, the other end of the fourth pipeline is connected to the top of the quantitative bottle, and the other end of the third pipeline is connected to the bottom of the quantitative bottle through the valve.

[0006] The acid storage barrel described in the technical solution of the utility model is a closed acid storage barrel; the quantitative bottle is a closed quantitative bottle.

[0007] The bottom of the acid storage barrel described in the technical solution of the utility model is provided with an acid release valve.

[0008] The technical solution of the utility model also includes a negative pressure device; the first pipeline is connected to the negative pressure device.

[0009] The negative pressure device described in the technical solution of the utility model is a vacuum pump.

[0010] The quantitative bottle described in the technical solution of the utility model is made of transparent material, and the bottle body is scaled.

[0011] The quantitative bottle described in the technical solution of the utility model is in the shape of a conical measuring cup or a measuring cylinder with a thick upper part and a thin lower part.

[0012] The technical solution of the utility model also includes a flat-bed trolley; the acid storage barrel, quantitative bottle and acid extraction nozzle are installed on the flat-bed trolley.

[0013] The quantitative bottle described in the technical solution of the utility model is located at a position perpendicular to the horizontal; the first pipeline, the fifth pipeline and the connecting pipeline are PU pipelines.

[0014] The working principle of the acid extraction and quantitative tool of the utility model includes: providing negative pressure for the acid extraction and quantitative tool through the connection of the first pipeline with the negative pressure system or device to generate power for acid extraction, the acid storage barrel provides negative pressure and storage of acid liquid, the quantitative bottle extracts the acid liquid quantitatively, the connecting pipeline and the control valve switch the conduction of the air path at the top and bottom of the quantitative bottle, realize the rapid switching of the quantitative and emptying functions of the acid liquid in the quantitative bottle, and realize the continuous and rapid acid extraction and quantitative of each battery cell.

[0015] The beneficial effects of the utility model are as follows: the acid extraction and quantitative tool has a simple structure, is easy to use, can realize rapid acid extraction and quantitative measurement, can improve the work efficiency of process developers, save costs, reduce the labor intensity of personnel, and improve R&D and production efficiency.

[0016] The utility model is mainly used for optimizing the extraction and quantification of electrolyte in the acid adding process of AGM lead-acid batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the quantitative acid extraction tooling of the utility model.

[0018] In the figure: 1-vacuum pump; 2-acid storage barrel; 3-acid discharge valve; 4-three-way valve; 5-quantitative bottle; 6-valve; 7-acid extraction nozzle; 8-first pipeline; 9-second pipeline; 10-third pipeline; 11-fourth pipeline; 12-fifth pipeline. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, all other embodiments obtained without creative work are within the scope of protection of the present utility model.

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] like Figure 1 The utility model is an AGM lead-acid battery electrolyte extraction and quantitative tool, comprising a vacuum pump 1, an acid storage barrel 2, a quantitative bottle 5, an acid extraction nozzle 7, an acid discharge valve 3, a three-way valve 4, a valve 6, and first to fifth pipelines 8-12, wherein the first to fifth pipelines 8-12 are PU pipelines.

[0022] The vacuum pump 1 is a negative pressure device, which is used to provide negative pressure for the entire system.

[0023] The acid storage barrel 2 is a closed acid storage barrel, which constitutes a negative pressure acid storage barrel, and the upper end is connected with the vacuum pump 1 through the first pipeline 8 to provide negative pressure for the whole device. The acid storage barrel 2 is used for storing acid and storing negative pressure. The acid release valve 3 is arranged at the bottom of the acid storage barrel 2, for emptying the acid solution in the acid storage barrel 2.

[0024] The quantitative bottle 5 is a closed quantitative bottle, which constitutes a negative pressure quantitative bottle 2. The top is connected to the acid extraction nozzle 7 through the fifth pipeline 12, and is used to be inserted into the middle of the battery cell to extract acid. The bottom is provided with a valve 6. The quantitative bottle 5 is shaped like a measuring cylinder with a thick top and a thin bottom, and is made of a transparent material. The bottle body has a scale, and the volume of the extracted acid can be directly read. The quantitative bottle 5 is used to store the extracted acid and quantify the acid.

[0025] The three-way valve 4 is connected to one end of the second pipeline 9, the third pipeline 10 and the fourth pipeline 11 respectively, the other end of the second pipeline 9 is connected to the upper part of the acid storage barrel 2, the other end of the fourth pipeline 11 is connected to the upper part of the quantitative bottle 5, and the other end of the third pipeline 10 is connected to the valve 6 at the bottom of the quantitative bottle 5. The three-way valve 4 is used to switch the quantitative extraction of acid and empty the acid in the quantitative bottle after quantitative extraction.

[0026] The invention also comprises a flat trolley, on which the acid storage barrel 2, the quantitative bottle 5 and the acid extraction nozzle 7 are installed, and during installation, the quantitative bottle 5 is placed in a position perpendicular to the horizontal.

[0027] The vacuum pump 1 provides negative pressure for the system to generate power for acid extraction, the acid storage barrel 2 provides negative pressure and acid storage, the quantitative bottle 5 extracts the acid quantitatively, and the three-way valve 4 switches the conduction of the gas path to achieve rapid switching of the acid quantitative and emptying functions in the quantitative bottle 5, thereby achieving continuous and rapid acid extraction and quantitative analysis of the battery cells.

[0028] A method for using an AGM lead-acid battery electrolyte extraction and quantitative tool specifically comprises the following steps:

[0029] 1) Make the above-mentioned acid extraction system tools. The entire system can be integrated on a flat trolley. During installation, ensure that the quantitative bottle is in a horizontal and vertical position;

[0030] 2) Close the acid release valve 3, open the three-way valve 4, open the valve 6, and start the vacuum pump 1 to start vacuuming;

[0031] 3) When the vacuum degree rises, adjust the three-way valve 4 to connect the second pipeline 9 and the fourth pipeline 11, close the valve 6, insert the acid extraction nozzle 7 into the battery cell to extract the excess acid, the acid will enter the quantitative bottle 5, and the acid extraction volume can be read from the bottle body;

[0032] 4) After completing one cell, open valve 6, adjust three-way valve 4 to connect second pipeline 9 and third pipeline 10, and use the negative pressure quantitative bottle 5 to suck the acid into the acid storage barrel 2 to complete the acid extraction and quantitative of one cell;

[0033] 5) Repeat steps 2) and 3) to quickly complete the acid extraction and quantitative analysis of other battery cells;

[0034] 6) After the acid extraction is completed, turn off the vacuum pump 1, open the acid release valve 3, and discharge the sulfuric acid in the acid storage tank 2.

Claims

1. An AGM lead-acid battery electrolyte extraction and quantitative tool, characterized by: The invention comprises an acid storage barrel (2), a quantitative bottle (5) and an acid extraction nozzle (7); wherein the acid storage barrel (2) is a negative pressure acid storage barrel, and the quantitative bottle (5) is a negative pressure quantitative bottle; the acid storage barrel (2) is provided with a first pipeline (8) which can be connected to a negative pressure system or device; the top and bottom of the acid storage barrel (2) and the quantitative bottle (5) are respectively provided with connecting pipelines and control valves; and the acid extraction nozzle (7) is connected to the quantitative bottle (5) via a fifth pipeline (12).

2. The electrolyte extraction and quantitative tool for AGM lead-acid batteries according to claim 1 is characterized by: The connecting pipeline and control valve between the acid storage barrel (2) and the quantitative bottle (5) comprise a three-way valve (4), a valve (6), a second pipeline (9), a third pipeline (10) and a fourth pipeline (11); one end of the second pipeline (9), the third pipeline (10) and the fourth pipeline (11) are respectively connected to the three-way valve (4), the other end of the second pipeline (9) is connected to the acid storage barrel (2), the other end of the fourth pipeline (11) is connected to the top of the quantitative bottle (5), and the other end of the third pipeline (10) is connected to the bottom of the quantitative bottle (5) through the valve (6).

3. An AGM lead-acid battery electrolyte extraction and quantitative tool according to claim 1 or 2, characterized in that: The acid storage barrel (2) is a closed acid storage barrel; and the quantitative bottle (5) is a closed quantitative bottle.

4. The AGM lead-acid battery electrolyte extraction and quantitative tool according to claim 3 is characterized by: An acid discharge valve (3) is provided at the bottom of the acid storage barrel (2).

5. An AGM lead-acid battery electrolyte extraction and quantitative tool according to claim 1, 2 or 4, characterized in that: It also includes a negative pressure device; the first pipeline (8) is connected to the negative pressure device.

6. The electrolyte extraction and quantitative tool for AGM lead-acid batteries according to claim 5 is characterized by: The negative pressure device is a vacuum pump (1).

7. An AGM lead-acid battery electrolyte extraction and quantitative tool according to any one of claims 1-2, 4, and 6, characterized in that: The quantitative bottle (5) is made of a transparent material and has scale marks on the bottle body.

8. The electrolyte extraction and quantitative tool for AGM lead-acid batteries according to claim 7 is characterized by: The quantitative bottle (5) is in the shape of a conical measuring cup or a measuring cylinder with a thick top and a thin bottom.

9. An AGM lead-acid battery electrolyte extraction and quantitative tool according to any one of claims 1-2, 4, 6, and 8, characterized in that: It also includes a flat-bed trolley; the acid storage barrel (2), the quantitative bottle (5) and the acid extraction nozzle (7) are installed on the flat-bed trolley.

10. The electrolyte extraction and quantitative tool for AGM lead-acid batteries according to claim 9, characterized in that: The quantitative bottle (5) is located at a position perpendicular to the horizontal; the first pipeline (8), the fifth pipeline (12) and the connecting pipeline are PU pipelines.

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