Electrolyte supply system

By designing an inclined main output tube and multiple manifolds in the electrolyte supply system, using gravity to flow the electrolyte, the problems of excessive length, complex layout and large power consumption in the existing system are solved, and more efficient electrolyte supply and cleaning efficiency is achieved.

CN222980764UActive Publication Date: 2025-06-13PANASONIC ENERGY WUXI
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Patent Information

Application Number
CN202421939692.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-06-13
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

The existing electrolyte supply system has the problem of long hose wiring distance and complex layout, and requires additional power to consume and extract the electrolyte from the storage tank. It is impossible to effectively utilize the electrolyte at the bottom of the storage tank, and a large amount of cleaning liquid is required during cleaning and it is difficult to discharge the residual electrolyte.

Method used

An electrolyte supply system is designed. By setting openings and valves on the side walls of the middle storage tank, the main output tube extends in an inclined manner from the valve. Multiple manifolds are branched from the main output tube. The electrolyte flows to the manifold through gravity and is directly supplied to the injection pump, reducing the hose length and layout complexity, and using the electrolyte at the bottom of the middle storage tank.

Benefits of technology

It has achieved simplification of hose length and layout, avoided additional power consumption, made full use of the electrolyte at the bottom of the middle storage tank, improved cleaning efficiency, and reduced the use of cleaning liquid.

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Abstract

The utility model provides an electrolyte supply system, which is provided with a middle storage tank, a middle storage tank, a middle storage tank, a middle storage tank, a middle storage tank, a middle storage tank and a middle storage tank, and is characterized in that an opening is formed in the side wall of the middle storage tank and close to the lowest point of the bottom surface; the valve is mounted at the opening; the input pipe is inserted into the middle storage tank from the upper part of the middle storage tank and is used for inputting the electrolyte into the middle storage tank; one end of the main output pipe is connected with the valve, and the main output pipe extends in a downward inclined manner from the valve; and a plurality of manifolds which are branched from the main output pipe.
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Description

Technical Field

[0001] The utility model relates to the field of battery manufacturing, and more specifically to an electrolyte supply system used when injecting electrolyte into a battery. Background Art

[0002] With the advent of the electronic intelligence era, people's demand for electronic products is increasing, and the battery that provides power for electronic products has become the focus. The process of injecting electrolyte into the battery case is an essential process in the battery production process. In order to supply electrolyte to the battery, an electrolyte supply system for supplying electrolyte to the battery is required.

[0003] The existing electrolyte supply system is configured to introduce the electrolyte in the main electrolyte pipeline into an intermediate storage tank. The intermediate storage tank is generally a stainless steel sealed container with a rectangular hole opened on the upper part. The main electrolyte pipeline is inserted into the intermediate storage tank to inject electrolyte into the intermediate storage tank. In addition, a plurality of output branch pipelines are inserted into the intermediate storage tank from above. One end inserted into the intermediate storage tank extends to the bottom of the intermediate storage tank, and the other end is connected to a hose. The plurality of output branch pipelines suck electrolyte from the intermediate storage tank and supply it to a plurality of liquid injection pumps.

[0004] The existing electrolyte supply system has the following problems: The hoses are respectively connected to a plurality of liquid injection pumps through a plurality of output branch pipelines, the routing distance of the hoses is long, and the layout is complex; the branch pipelines suck electrolyte from the intermediate storage tank, which requires additional power consumption; the electrolyte at the bottom of the intermediate storage tank cannot be sucked and utilized; when cleaning the tank body, the cleaning liquid needs to be injected from the main pipeline and discharged from the output branch pipelines, which requires a large amount of cleaning liquid, and it is difficult to effectively discharge the residual electrolyte at the bottom of the intermediate storage tank. Summary of the Utility Model

[0005] The present utility model is made in view of the above problems, and its purpose is to provide an electrolyte supply system that can reduce the length of the hoses used to connect the liquid injection pumps, simplify the layout of the hoses, and enable the electrolyte to be supplied to the liquid injection pumps without additional power.

[0006] The electrolyte supply system of the first aspect of the present utility model includes: an intermediate storage tank, an opening is provided at a position on the side wall of the intermediate storage tank near the lowest point of the bottom surface of the intermediate storage tank; a valve, the valve is installed at the opening; an input pipe, the input pipe is inserted into the intermediate storage tank from above the intermediate storage tank for inputting electrolyte into the intermediate storage tank; a main output pipe, one end of the main output pipe is connected to the valve and extends in a downwardly inclined manner from the valve; a plurality of manifolds, the plurality of manifolds branch from the main output pipe.

[0007] For the electrolyte supply system of the first mode of the present utility model, since it has a main output pipe and multiple manifolds, the liquid injection pump can be connected to the manifold near it through a hose. Therefore, the length of the hose used to connect the liquid injection pump can be reduced, and the layout of the hose can be simplified. In addition, since the main output pipe extends in a downward-sloping manner starting from the valve, the electrolyte can flow towards the manifold due to gravity, and the electrolyte can be supplied to the liquid injection pump without additional power.

[0008] The electrolyte supply system of the second mode of the present utility model is that in the electrolyte supply system of the first mode, the middle storage tank is a tank body with the bottom facing downward and inclined towards the direction of the main output pipe.

[0009] According to the electrolyte supply system of the second mode of the present utility model, by forming the middle storage tank into a tank body with the bottom facing downward and inclined towards the direction of the main output pipe, the electrolyte at the bottom of the middle storage tank can be utilized more fully.

[0010] The electrolyte supply system of the third mode of the present utility model is that in the electrolyte supply systems of the first and second modes, a liquid level detector is provided on the main output pipe. The liquid level detector is provided at a position on the main input pipe closer to the middle storage tank than the manifold closest to the middle storage tank, and the liquid level detector can detect whether the liquid level height of the electrolyte in the middle storage tank is lower than a certain threshold.

[0011] According to the electrolyte supply system of the third mode of the present utility model, by setting the liquid level detector, the situation of insufficient electrolyte can be detected, and gas mixing into the electrolyte can be prevented.

[0012] The electrolyte supply system of the fourth mode of the present utility model is that in the electrolyte supply systems of the first and second modes, connectors for connecting hoses are provided at the respective ends of the multiple manifolds.

[0013] According to the electrolyte supply system of the fourth mode of the present utility model, the hose can be conveniently connected to the manifold.

[0014] The electrolyte supply system of the fifth mode of the present utility model is that in the electrolyte supply system of the fourth mode, the connector has two or more branches, and the two or more branches are separated by a certain angle from each other.

[0015] According to the electrolyte supply system of the fifth mode of the present utility model, two or more hoses can be connected to one manifold, improving the utilization efficiency of the manifold.

[0016] The electrolyte supply system of the sixth mode of the present utility model is that in the electrolyte supply system of the fifth mode, the two or more branches are coplanar.

[0017] The electrolyte supply system according to the sixth aspect of the present utility model can improve the utilization rate of space.

[0018] The electrolyte supply system according to the seventh aspect of the present utility model is such that in the electrolyte supply system according to the fifth aspect, the diameters of the two or more branches are different.

[0019] The electrolyte supply system according to the seventh aspect of the present utility model can accommodate hoses with different diameters.

[0020] The electrolyte supply system according to the eighth aspect of the present utility model is such that in the electrolyte supply system according to the fifth aspect, the two or more branches are L-shaped branches.

[0021] The electrolyte supply system according to the eighth aspect of the present utility model can make the connection between the hose and the joint more convenient and firm.

[0022] The electrolyte supply system according to the ninth aspect of the present utility model is such that in the electrolyte supply systems according to the first and second aspects, the main output pipe extends downward from the valve at an inclination angle of 4 degrees or less.

[0023] The electrolyte supply system according to the ninth aspect of the present utility model can make the electrolyte flow out of the manifold smoothly and gently. Description of the Drawings

[0024] Figure 1 is a schematic diagram showing the structure of the electrolyte supply system according to an embodiment of the present utility model.

[0025] Figure 2 is an enlarged schematic diagram showing the structure of the manifold of the electrolyte supply system according to an embodiment of the present utility model. Detailed Embodiments

[0026] Hereinafter, the present utility model will be described in detail with reference to the drawings.

[0027] The present disclosure will be described below with reference to the drawings. It should be understood that the present disclosure can be presented in many different ways and is not limited to the embodiments described below. In fact, the embodiments described below are intended to make the disclosure of the present disclosure more complete and to fully explain the scope of protection of the present disclosure to those skilled in the art. It should also be understood that the embodiments disclosed herein can be combined in various ways to provide more additional embodiments. It should be understood that the terminology used in the specification is only for describing specific embodiments and is not intended to limit the present disclosure. All terms used in the specification (including technical terms and scientific terms) have the meanings commonly understood by those skilled in the art unless otherwise defined. For the sake of brevity and / or clarity, well-known functions or structures may not be described in detail.

[0028] In all the drawings, the same reference numerals denote the same elements. Additionally, the drawings are schematic diagrams showing the structure of the electrolyte supply system related to the present disclosure, and the electrolyte supply system related to the present disclosure is not limited to the structure shown in the drawings. The terms used in the specification are only for describing specific embodiments and are not intended to limit the present disclosure. All terms used in the specification, unless otherwise defined, have the meanings commonly understood by those skilled in the art. For the sake of brevity and clarity, well-known functions or structures may not be described in detail. In the description of the present utility model, the orientation or positional relationship indicated by terms such as "upper", "lower", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly set when the product of the present utility model is in use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0029] Figure 1 It is a schematic diagram showing the structure of the electrolyte supply system according to an embodiment of the present utility model. As Figure 1 shown, an electrolyte supply system 100 according to an embodiment of the present utility model includes an intermediate storage tank 1, a valve 2, a main output pipe 3, a manifold 4, a liquid level detector 5, an outlet valve 6, an input pipe 7, and a joint 8.

[0030] The intermediate storage tank 1 is a tank with the bottom facing downward and inclined in the direction of the main output pipe 3. On the side wall of the intermediate storage tank 1, an opening is provided at a position close to the lowest point of the inclined bottom surface of the intermediate storage tank 1 and a valve 2 is installed. The input pipe 7 is connected to the upper part of the intermediate storage tank 1. The electrolyte is input into the intermediate storage tank 1 through the input pipe 7 and flows out of the intermediate storage tank 1 when the valve 2 is opened.

[0031] One end of the valve 2 is connected to the intermediate storage tank 1 and the other end is connected to one end of the main output pipe 3, for connecting or disconnecting the connection between the intermediate storage tank 1 and the main output pipe 3. The main input pipe 3 extends in a downwardly inclined manner starting from the valve 2, and the inclination angle is not particularly limited, preferably 4 degrees. A plurality of manifold ports are provided on the main output pipe 3 and a plurality of manifolds 4 are connected. A certain interval is provided between the plurality of manifolds 4. Additionally, a liquid level detector 5 is provided on the main input pipe 3, and the liquid level detector 5 is provided at a position on the main input pipe 3 that is closer to the intermediate storage tank 1 than the manifold 4 closest to the intermediate storage tank 1. The liquid level detector 5 is used to detect whether the liquid level of the electrolyte in the intermediate storage tank 1 is lower than a certain threshold, and when the liquid level detector 5 detects that the liquid level of the electrolyte in the intermediate storage tank 1 is lower than a certain threshold, it will give a reminder to the operator. An outlet valve 6 is provided at the end of the main input pipe 3. The outlet valve 6 is normally in a closed state and is only opened when it is necessary to completely empty the electrolyte in the electrolyte supply system 100.

[0032] As shown Figure 1 and Figure 2 In the figure, a connector 8 is connected to the end of the manifold 4 for connection to a hose. In this embodiment, the connector 8 has two L-shaped branches. The two branches are in the same plane and are separated from each other by 90°. The diameters of the respective branches may be the same or different.

[0033] The above describes an embodiment of the electrolyte supply system of the present invention. However, the present invention is not limited to the above embodiment and can be variously modified without departing from the gist of the present invention.

[0034] For example, in the above embodiment, the connector 8 is connected to the end of each manifold 4. However, the connector 8 may be integrally formed with the manifold 4.

[0035] In addition, in the above embodiment, the branches of the connector 8 are L-shaped. However, the branches of the connector 8 may also be other shapes, such as linear.

[0036] In addition, in the above embodiment, the connector 8 has two branches. However, the number of branches is not particularly limited and may also be one or more than three.

[0037] For those skilled in the art, it is obvious that the present invention can be variously omitted, modified and deformed without departing from the spirit or scope of the present invention. Therefore, it should be understood that the present invention includes changes and deformations within the scope of the appended claims and their equivalents. In particular, it should be clearly understood that when any two or more arbitrary parts or all of the above embodiments and their deformations are combined, it can be understood that it is within the scope of the present invention.

Claims

1. An electrolyte supply system, characterized in that: have: A middle storage tank, wherein an opening is provided on a side wall of the middle storage tank at a position close to the lowest point of the bottom surface of the middle storage tank; a valve mounted on the opening; An input pipe, which is inserted into the middle storage tank from above the middle storage tank and is used to input electrolyte into the middle storage tank; a main output pipe, one end of which is connected to the valve and extends from the valve in a downwardly inclined manner; as well as A plurality of manifolds are branched from the main output pipe.

2. The electrolyte supply system according to claim 1, characterized in that: The intermediate storage tank is a tank body with a bottom facing downward and tilted toward the main output pipe.

3. The electrolyte supply system according to claim 1 or 2, characterized in that: A liquid level detector is arranged on the main output pipe. The liquid level detector is arranged on the main output pipe at a position closer to the intermediate storage tank than the manifold closest to the intermediate storage tank. The liquid level detector can detect whether the liquid level of the electrolyte in the intermediate storage tank is lower than a certain threshold.

4. The electrolyte supply system according to claim 1 or 2, characterized in that: A connector for connecting with a hose is provided at each end of the plurality of manifolds.

5. The electrolyte supply system according to claim 4, characterized in that: The joint has more than two branches, and the more than two branches are spaced apart from each other at a certain angle.

6. The electrolyte supply system according to claim 5, characterized in that: The two or more branches are coplanar.

7. The electrolyte supply system according to claim 5, characterized in that: The pipe diameters of the two or more branches are the same.

8. The electrolyte supply system according to claim 5, characterized in that: The two or more branches are L-shaped branches.

9. The electrolyte supply system according to claim 1 or 2, characterized in that: The main output pipe extends downward from the valve at an inclination angle of less than 4 degrees.