Double-small-cover lead-acid storage battery for starting

Abstract

The utility model discloses a lead-acid storage battery with double small covers for starting. The lead-acid storage battery comprises a battery body, the large cover is arranged on the battery body, the large cover is provided with a plurality of exhaust holes and an enclosure part, and the plurality of exhaust holes are enclosed into a plurality of groups by the enclosure part; the multiple small covers are arranged on the large cover, each small cover covers the upper portion of each set of exhaust holes, and each small cover is provided with at least one exhaust port; an exhaust cavity for air circulation is formed between the small cover and the enclosure part; and gas in the battery body enters the exhaust cavity from the exhaust hole and then is exhausted to the outside of the battery body from the exhaust hole. According to the utility model, the original number of the small covers is changed into two, and the six exhaust holes are distributed in different areas, so that the amount of gas treated by each exhaust port is small, the airflow resistance is small, the turbulence and congestion phenomena are reduced, the gas can be exhausted more smoothly, and the exhaust speed and the exhaust efficiency are improved.

Description

Technical Field

[0001] This utility model belongs to the field of lead-acid battery technology, and in particular relates to a lead-acid battery for starting with a double small cover. Background Technology

[0002] When batteries are used in tropical high-temperature regions with high ambient temperatures, their lifespan will be affected because the batteries are exposed to high temperatures for a long time. For example, the batteries will lose water quickly and the grids will be severely corroded.

[0003] To slow down the rate of temperature rise in the battery and curb grid corrosion caused by high temperature, batteries in the prior art are generally equipped with a venting structure. The venting structure includes multiple vent holes on a large cover, which are all covered by a small cover. A venting chamber is formed between the large cover and the small cover, and the vent is discharged through an exhaust port on the small cover that connects to the outside.

[0004] However, exhausting gas through a single small cap requires the gas to travel a long path before it can be discharged. Furthermore, the gas is prone to blockage during the discharge process, which increases airflow resistance, reduces exhaust speed, and results in low exhaust efficiency. Utility Model Content

[0005] This utility model addresses the problems in the prior art by proposing the following technical solution:

[0006] This utility model provides a lead-acid battery with a double small cover for starting, comprising:

[0007] Battery body;

[0008] The large cover is disposed on the battery body. The large cover is provided with vent holes and a baffle. The number of vent holes is set to multiple, and the multiple vent holes are surrounded by the baffle to form multiple groups.

[0009] Multiple small caps are provided on a large cap, and each small cap covers each set of exhaust holes. Each small cap is provided with at least one exhaust port.

[0010] An exhaust chamber for gas circulation is formed between the small cover and the enclosure.

[0011] The gas inside the battery body enters the exhaust chamber through the exhaust port and is then discharged to the outside of the battery body through the exhaust outlet.

[0012] As a preferred embodiment of the above technical solution, each enclosure of the large cover is provided with a partition 1 on its inner side, and the small cover is provided with a partition 2 on its inner side. The partition 1 and the partition 2 together form a labyrinth channel in the exhaust chamber.

[0013] As a preferred embodiment of the above technical solution, each enclosure of the cover is further provided with an injection hole on its inner side.

[0014] As a preferred embodiment of the above technical solution, the plurality of exhaust holes are arranged in a straight line.

[0015] As a preferred embodiment of the above technical solution, the number of vent holes corresponding to each small cover is equal.

[0016] As a preferred embodiment of the above technical solution, the number of small covers is two.

[0017] As a preferred embodiment of the above technical solution, the discharge port is located on the side wall of the small cover.

[0018] The beneficial effects of this utility model are as follows:

[0019] (1) By setting the original one small cover to two, the six exhaust holes are distributed in different areas. Therefore, each exhaust port handles a smaller amount of gas, resulting in less airflow resistance, reducing turbulence and congestion, and allowing the gas to be discharged more smoothly. Moreover, the two exhaust ports can work simultaneously, reducing the accumulation of gas in the exhaust chamber and significantly improving the exhaust speed and efficiency. Due to the high exhaust efficiency, the gas can be discharged in time, thereby slowing down the temperature rise of the battery and curbing grid corrosion caused by high temperature.

[0020] (2) By setting up partition one and partition two, this utility model forms a relatively tortuous and complex labyrinth channel path in the exhaust chamber, which makes the acid liquid need to go through multiple turns and detours to reach the discharge port, thus extending the flow path of the acid liquid; and the labyrinth channel makes the acid liquid gradually cool down and flow back during the flow process, thereby reducing the possibility of acid liquid leakage through the discharge port. Attached Figure Description

[0021] Figure 1 The diagram shown is an overall schematic of the battery in the embodiment;

[0022] Figure 2 The diagram shown is an exploded view of the large and small covers in the embodiment;

[0023] Figure 3 The diagram shown is a top view of the cover in the embodiment;

[0024] Figure 4 The diagram shown is a schematic representation of the inner side of the small cover in the embodiment;

[0025] Reference numerals: 1. Battery body; 10. Large cover; 20. Small cover; 11. Vent; 12. Enclosure; 13. Partition 1; 14. Injection hole; 21. Drain; 22. Partition 2. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0027] Example

[0028] like Figure 1 , Figure 2 , Figure 3 As shown, Figure 1 The diagram shown is an overall schematic of the battery in the embodiment; Figure 2 The diagram shown is an exploded view of the large and small covers in the embodiment; Figure 3 The diagram shown is a top view of the cover in the embodiment;

[0029] This device includes:

[0030] Battery body 1;

[0031] A large cover 10 is disposed on the battery body 1. The large cover 10 is provided with an exhaust hole 11 and a baffle part 12. The number of exhaust holes 11 is set to multiple, and the multiple exhaust holes 11 are surrounded by the baffle part 12 to form multiple groups.

[0032] Multiple small covers 20 are provided on the large cover 10, and each small cover 20 covers the top of each set of exhaust holes 11. Each small cover 20 is provided with at least one exhaust port 21.

[0033] An exhaust chamber for gas flow is formed between the small cover 20 and the enclosure 12;

[0034] The gas inside the battery body 1 enters the exhaust chamber through the exhaust port 11 and is then discharged to the outside of the battery body 1 through the exhaust port 21.

[0035] In this embodiment, there are a total of six exhaust holes 11 arranged in a straight line, and there are two small covers 20. Each small cover 20 corresponds to the same number of exhaust holes 11, which is three.

[0036] like Figure 2 As shown, Figure 2 The diagram shown is an exploded view of the large and small covers in the embodiment;

[0037] The discharge port 21 is located on the side wall of the small cover 20;

[0038] In this embodiment, each of the two small covers 20 has one discharge port 21, and the discharge port 21 is located on the side wall of the two small covers 20 that are far apart from each other.

[0039] The original single cap 20 is replaced with two caps, so that the six exhaust ports 11 are distributed in different areas. Therefore, each exhaust port 21 handles a smaller amount of gas, resulting in less airflow resistance, reducing turbulence and congestion, and allowing the gas to be discharged more smoothly. In addition, the two exhaust ports 21 can work simultaneously, reducing the accumulation of gas in the exhaust chamber and significantly improving the exhaust speed and efficiency.

[0040] Because of its high exhaust efficiency, the gas can be discharged in a timely manner, which can slow down the rate of temperature rise of the battery and curb grid corrosion caused by high temperature.

[0041] In addition, even if any discharge port 21 or any small cover 20 malfunctions (such as being blocked or damaged), the other discharge ports 21 can still function normally, improving the reliability and safety of the system.

[0042] like Figure 2 , Figure 4 As shown, Figure 2 The diagram shown is an exploded view of the large and small covers in the embodiment. Figure 4 The diagram shown is a schematic representation of the inner side of the small cover in the embodiment;

[0043] Each enclosure 12 of the large cover 10 is provided with a partition 13 on its inner side, and a partition 22 is provided on the inner side of the small cover 20. The partition 13 and the partition 22 together form a labyrinth passage in the exhaust chamber.

[0044] Both baffle 13 and baffle 22 consist of several baffles. These baffles form a relatively tortuous and complex labyrinthine channel path in the exhaust chamber, which requires the acid to go through multiple turns and detours before reaching the discharge port 21, thus prolonging the flow path of the acid. Furthermore, the labyrinthine channel causes the acid to gradually cool and flow back during the flow process, thereby reducing the possibility of acid leakage through the discharge port 21.

[0045] like Figure 3 As shown, Figure 3 The diagram shown is a top view of the cover in the embodiment;

[0046] Each enclosure 12 of the cover 10 is also provided with an injection hole 14 on the inner side;

[0047] In this embodiment, the total number of injection holes 14 is set to six, with three holes provided on the inner side of each small cap 20.

[0048] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. A lead-acid battery with a double small cover for starting, characterized in that, include: Battery body (1); A large cover (10) is provided on the battery body (1). The large cover (10) is provided with an exhaust hole (11) and a baffle (12). The number of exhaust holes (11) is set to multiple, and the multiple exhaust holes (11) are surrounded by the baffle (12) to form multiple groups. Multiple small covers (20) are provided on the large cover (10), and each small cover (20) covers the top of each set of exhaust holes (11). Each small cover (20) is provided with at least one exhaust port (21). An exhaust chamber for gas flow is formed between the small cover (20) and the enclosure (12); The gas inside the battery body (1) enters the exhaust chamber through the exhaust port (11) and is then discharged to the outside of the battery body (1) through the discharge port (21).

2. A lead-acid battery for starting with a double small cover according to claim 1, characterized in that, Each enclosure (12) of the large cover (10) is provided with a first partition (13) on its inner side, and the small cover (20) is provided with a second partition (22) on its inner side. The first partition (13) and the second partition (22) together form a labyrinth passage in the exhaust chamber.

3. A lead-acid battery for starting with a double small cover according to claim 1, characterized in that, Each enclosure (12) of the large cover (10) is also provided with an injection hole (14) on the inner side.

4. A lead-acid battery for starting with a double small cover according to claim 1, characterized in that, The multiple exhaust holes (11) are arranged in a straight line.

5. A lead-acid battery for starting with a double small cover according to claim 1, characterized in that, The number of vent holes (11) corresponding to each of the small covers (20) is equal.

6. A lead-acid battery for starting with a double small cover according to claim 1, characterized in that, The number of the small caps (20) is two.

7. A lead-acid battery for starting with a double small cover according to claim 1, characterized in that, The discharge port (21) is located on the side wall of the small cover (20).

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