CN202126344U - A valve-controlled sealed lead-acid battery air tightness detection device - Google Patents

Abstract

The utility model discloses a sealed lead acid battery gas tightness detection device of valve accuse, its structure simple manufacture, the input cost is low, convenient operation, including the manometer, the manometer has three way connection through hose connection, and three way connection's other end interface has the gasbag through hose connection, and three way connection even has the one end interface of gasbag and is relative with the one end interface position that is connected with the manometer, and three way connection still is connected with the seal mouth, seal mouth and lead acid battery's valve port phase-match, the utility model discloses simple manufacture, the input cost is low, and the operation is fairly simple, is fit for carrying out the sampling inspection battery gas tightness to the battery, can prevent that the bad battery of sealing from flowing into next process.

Description

A valve-controlled sealed lead-acid battery air tightness detection device

technical field

The utility model relates to the detection of the airtightness of storage batteries, in particular to a detection device for the airtightness of valve-controlled sealed lead-acid storage batteries.

Background technique

Airtight performance is an important indicator for testing valve-regulated sealed lead-acid batteries. If the airtight performance is not good, the battery will leak and cannot be used. The airtight performance test of the battery is an indispensable and important link in the production process of the battery. At present, the battery air tightness testing device is mainly composed of a gas nozzle and a sealing ring, but for valve-regulated sealed lead-acid batteries, because the liquid filling port of this type of battery is small, the gas nozzle cannot be inserted, and its airtight performance cannot be tested. Directly affect the product quality of lead-acid batteries.

In the production process of valve-regulated lead-acid batteries, for a long time, for batteries sealed with epoxy resin, there will be problems due to poor fluidity of the glue or insufficient glue dripping by employees during operation, resulting in poor sealing of the battery case cover. Bringing hidden dangers, such as poor sealing of the battery case cover (called air leakage), the electrolyte will flow out from the poorly sealed part of the case cover during the use of the battery, and the corrosion of the electrolyte will damage the equipment using the battery. If the seal between the battery cells is not good (called cross-gas), the self-discharge of the battery will increase during storage, which will affect the performance of the battery. Although there are various air-tight testing equipment in this industry, the investment cost of the equipment is relatively high, and when the battery model is replaced during the production process, the debugging of the equipment is complicated, which affects the production efficiency.

Contents of the invention

The purpose of the utility model is to overcome the shortcomings of the prior art and provide a valve-controlled sealed lead-acid storage battery air tightness detection device, the device is simple to manufacture, low investment cost, and relatively simple to operate.

In order to achieve the above purpose, the utility model provides a valve-controlled sealed lead-acid storage battery air tightness detection device, which adopts the following technical scheme: it includes a pressure gauge, and it is characterized in that: the pressure gauge is connected with a three-way joint through a hose , the other end of the three-way joint is connected to the air bag through a hose, the one end of the three-way joint connected to the air bag is opposite to the one end connected to the pressure gauge, and the three-way joint is also connected to a sealing nozzle.

Further, the sealing mouth matches the valve port of the lead-acid battery.

Further, the sealing mouth can be made of rubber or plastic material.

The beneficial effects of the utility model are: the device is simple to manufacture, low in investment cost, and relatively simple to operate, even new employees can quickly and skillfully operate it, and the device is suitable for sampling and checking the airtightness of the battery. It can prevent poorly sealed batteries from flowing into the next process. Using this device can easily detect the airtightness of the battery. The device is simple to manufacture and the materials are easy to obtain. This new airtight detection device is suitable for small valve-regulated sealed lead-acid batteries. Air-tightness testing to prevent batteries with poor sealing performance from flowing into the next process and affecting the quality of the battery. It is tested by a pressure gauge. The air leakage phenomenon is easy to detect through the pressure gauge. It is relatively intuitive and clear. The inflation process is safe and will not damage the battery. The battery is damaged.

Description of drawings

Fig. 1 shows the structural representation of the utility model embodiment.

The designations of parts and components in the figure are as follows:

Pressure gauge 1, tee joint 2, air bag 3, sealing nozzle 4, hose 5.

Detailed ways

In order to be able to further understand the features, technical means and achieved specific objectives and functions of the utility model, and to analyze the advantages and spirit of the utility model, a further understanding of the utility model can be obtained through the following detailed description of the utility model in conjunction with the accompanying drawings and specific embodiments .

As shown in the accompanying drawings of the description, a valve-controlled sealed lead-acid battery airtightness detection device provided by the utility model includes a pressure gauge 1, and the pressure gauge 1 is connected with a three-way joint 2 through a hose 5. The other end interface of the three-way joint 2 is connected with the air bag 3 through the hose 5, and the one end interface of the three-way joint 2 connected with the air bag 3 is opposite to the one end interface connected with the pressure gauge 1, and the three-way joint 2 is also connected There is sealing mouth 4.

The sealing mouth 4 can be made of rubber or plastic material, and the sealing mouth 4 is matched with the valve port of the lead-acid battery, so that the sealing mouth 4 can be inserted into the valve port of the battery.

According to the above device, the following detection methods can be adopted: ① prepare the airtight detection device and the battery to be tested; ② insert the sealing mouth 4 into the valve port of the battery and seal it with the valve port; ③ insert the sealing mouth 4 into the valve port Finally, gently squeeze the airbag 3 until the air pressure displayed on the air gauge is 36Kpa, and then stop squeezing; ④ observe the air pressure on the air gauge for 3 to 5 seconds, if the air pressure does not drop, the battery is qualified , go directly to step ⑥; if the air pressure drops, go to step 5 to continue the test; ⑤ block the remaining cells and continue the test to determine whether it is air leakage or air leakage; ⑥ remove the sealing nozzle 4 and proceed to the next step body test.

To sum up, this device is composed of an air bag 3, a pressure gauge 1, a tee joint 2 and a sealing nozzle 4 connected by a hose 5. This device is simple to manufacture, low in investment cost, and relatively simple to operate, and is suitable for small valve control The air tightness test of the sealed lead-acid battery prevents the battery with poor sealing performance from flowing into the next process and affecting the quality of the battery. It is tested by a pressure gauge, and its air leakage is easily detected by the pressure gauge.

The above-mentioned embodiments only express some implementations of the present utility model, and the description thereof is relatively specific and detailed, but should not be construed as limiting the scope of the present utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present utility model should be based on the appended claims.

Claims (3)

1. valve-control sealed lead acid battery air-tightness detection device; Include tensimeter (1); It is characterized in that: said tensimeter (1) is connected with three-way connection (2) through flexible pipe (5); The other end interface of said three-way connection (2) is connected with air bag (3) through flexible pipe (5), and the end interface that said three-way connection (2) is connected with air bag (3) is relative with an end interface position that is connected with tensimeter (1), and said three-way connection (2) also is connected with sealed mouth (4).

2. a kind of valve-control sealed lead acid battery air-tightness detection device according to claim 1 is characterized in that: said sealed mouth (4) is complementary with the valve port of lead-acid accumulator.

3. a kind of valve-control sealed lead acid battery air-tightness detection device according to claim 1 is characterized in that: said sealed mouth (4) can be processed by rubber or plastic material.

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