Flow battery ionic membrane air tightness detection tool and ionic membrane detection device

Abstract

The utility model relates to the technical field of flow battery stack assembly, in particular to a flow battery ionic membrane airtightness detection tool and an ionic membrane detection device. The utility model provides a flow battery ionic membrane air tightness detection tool. The flow battery ionic membrane air tightness detection tool comprises a support assembly, and a pressing plate, a mounting plate and a lifting mechanism which are arranged on the support assembly; the pressing plate is positioned above the mounting plate; the lifting mechanism is connected with the pressing plate and used for driving the pressing plate to move in the direction close to or away from the mounting plate. A sealing piece is arranged on the surface, facing the mounting plate, of the pressing plate or the surface, facing the pressing plate, of the mounting plate, so that when the ionic membrane is pressed between the pressing plate and the mounting plate, a first closed space is formed between the ionic membrane and the pressing plate, and a second closed space is formed between the ionic membrane and the mounting plate; the pressing plate is provided with an air inlet communicated with the first closed space. The flow battery ionic membrane air tightness detection tool provided by the utility model is simple in structure and convenient to operate, improves the accuracy of ionic membrane damage air tightness detection, and reduces the situation of misjudgment and misuse of defective products.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid flow battery stack assembly, and in particular to a liquid flow battery ion membrane air tightness detection tool and an ion membrane detection device. Background Art

[0002] As a key component of flow battery stacks, ion membranes have received extensive attention and research in recent years. However, in actual production and assembly, if there are minor damages (such as pores and cracks) in the ion membrane, it is difficult to detect defects by manual visual inspection. If such defective products cannot be identified in a timely and effective manner, serious quality problems such as electrolyte leakage will occur when assembled into battery stacks. Summary of the invention

[0003] The present disclosure provides a flow battery ion membrane air tightness detection tool and an ion membrane detection device to at least solve the above technical problems existing in the prior art.

[0004] The first aspect of the present disclosure provides a flow battery ion membrane air tightness detection tool, comprising: a bracket assembly, and a pressing plate, a mounting plate and a lifting mechanism arranged on the bracket assembly;

[0005] The pressing plate is located above the mounting plate;

[0006] The lifting mechanism is connected to the pressing plate and is used to drive the pressing plate to move towards or away from the mounting plate;

[0007] A sealing member is provided on the surface of the pressing plate facing the mounting plate or on the surface of the mounting plate facing the pressing plate, so that when the ion membrane is pressed between the pressing plate and the mounting plate, a first closed space is formed between the ion membrane and the pressing plate, and a second closed space is formed between the ion membrane and the mounting plate;

[0008] The pressing plate is provided with an air inlet connected to the first enclosed space.

[0009] Furthermore, the mounting plate is provided with an air outlet communicating with the second enclosed space, and the air outlet is connected to an exhaust pipe.

[0010] Furthermore, the air inlet is connected to an air source through an air inlet pipe.

[0011] Furthermore, it also includes a first pressure gauge and a second pressure gauge, the first pressure gauge is used to detect the air pressure in the first enclosed space, and the second pressure gauge is used to detect the air pressure in the second enclosed space.

[0012] Furthermore, it also includes a base, and the bracket assembly is arranged on the base.

[0013] Further, the bracket assembly includes a bottom plate, a panel and two side plates;

[0014] The two side panels are spaced apart, the top of the side panel is connected to the panel, and the bottom of the side panel is connected to the bottom panel;

[0015] The lifting mechanism is installed on the panel.

[0016] Furthermore, the bottom plate is provided with a guide rail, and the bottom of the mounting plate is provided with a slider, and the slider is slidably arranged on the guide rail.

[0017] Furthermore, the mounting plate is provided with a handle.

[0018] Furthermore, the panel is provided with a guide sleeve, and the pressure plate is provided with a guide column, and the guide column is slidably matched with the guide sleeve.

[0019] A second aspect of the present disclosure provides an ion membrane detection device, comprising the flow battery ion membrane air tightness detection tooling described in the first aspect.

[0020] Compared with the prior art, the technical solution provided by the embodiments of the present disclosure has the following advantages:

[0021] The flow battery ion membrane air tightness detection tool provided by the embodiment of the present disclosure includes a bracket assembly and a pressing plate, a mounting plate and a lifting mechanism arranged on the bracket assembly; the pressing plate is located above the mounting plate; the lifting mechanism is connected to the pressing plate, and is used to drive the pressing plate to move in a direction close to or away from the mounting plate; a sealing member is provided on the surface of the pressing plate facing the mounting plate or the surface of the mounting plate facing the pressing plate, so that when the ion membrane is pressed between the pressing plate and the mounting plate, a first enclosed space is formed between the ion membrane and the pressing plate, and a second enclosed space is formed between the ion membrane and the mounting plate; the pressing plate is provided with an air inlet connected to the first enclosed space. When in use, the ion membrane is placed flat on the designated position of the mounting plate, and the lifting mechanism drives the pressing plate to move in a direction close to the mounting plate, so that the pressing plate presses the ion membrane against the mounting plate. A first enclosed space is formed between the ion membrane and the pressing plate, and a second enclosed space is formed between the ion membrane and the mounting plate. By performing an inflatable pressure test on the first enclosed space, the leakage value of the air pressure is used to accurately determine the damage state of the ion membrane. The flow battery ion membrane air tightness detection tooling provided by the embodiment of the present disclosure has a simple structure and is easy to operate, which improves the accuracy of ion membrane damage air tightness detection and reduces the misjudgment and misuse of defective products.

[0022] It should be understood that the content described in this section is not intended to identify the key or important features of the embodiments of the present disclosure, nor is it intended to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and other objects, features and advantages of the exemplary embodiments of the present disclosure will become readily understood by reading the detailed description below with reference to the accompanying drawings. In the accompanying drawings, several embodiments of the present disclosure are shown in an exemplary and non-limiting manner, in which:

[0024] In the drawings, the same or corresponding reference numerals represent the same or corresponding parts.

[0025] Figure 1 The schematic diagram of the structure of the liquid flow battery ion membrane air tightness detection tool provided by the embodiment of the present disclosure is shown;

[0026] Figure 2 A schematic diagram of the structure of a bracket assembly in a flow battery ion membrane air tightness detection process provided by an embodiment of the present disclosure is shown;

[0027] Figure 3 A schematic diagram of the structure of a pressure plate in a flow battery ion membrane air tightness detection process provided by an embodiment of the present disclosure is shown;

[0028] Figure 4 A schematic structural diagram of an installation plate in a flow battery ion membrane air tightness detection process provided by an embodiment of the present disclosure is shown.

[0029] Explanation of the numbers in the figure: 100, base; 200, bracket assembly; 201, bottom plate; 202, side plate; 203, panel; 204, guide sleeve; 205, first limit block; 300, pressure plate; 302, reinforcement block; 303, lifting mechanism; 304, guide column; 305, air intake pipe; 400, mounting plate; 401, handle; 402, seal; 404, guide rail; 405, second limit block; 406, exhaust pipe. DETAILED DESCRIPTION

[0030] In order to make the purpose, features, and advantages of the present disclosure more obvious and easy to understand, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present disclosure.

[0031] Combination Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the flow battery ion membrane air tightness detection tooling provided by the embodiment of the present disclosure includes a bracket assembly 200 and a pressure plate 300, a mounting plate 400 and a lifting mechanism 303 arranged on the bracket assembly 200; the pressure plate 300 is located above the mounting plate 400; the lifting mechanism 303 is connected to the pressure plate 300, and is used to drive the pressure plate 300 to move toward or away from the mounting plate 400; a sealing member 402 is provided on the surface of the pressure plate 300 facing the mounting plate 400 or the surface of the mounting plate 400 facing the pressure plate 300, so that when the ion membrane is pressed between the pressure plate 300 and the mounting plate 400, a first enclosed space is formed between the ion membrane and the pressure plate 300, and a second enclosed space is formed between the ion membrane and the mounting plate 400; the pressure plate 300 is provided with an air inlet connected to the first enclosed space. When in use, the ion membrane is placed flat on the designated position of the mounting plate 400, and the lifting mechanism 303 drives the pressing plate 300 to move in the direction close to the mounting plate 400, so that the pressing plate 300 presses the ion membrane against the mounting plate 400. A first enclosed space is formed between the ion membrane and the pressing plate 300, and a second enclosed space is formed between the ion membrane and the mounting plate 400. By performing an inflation pressure test on the first enclosed space, the damage state of the ion membrane is accurately determined by the leakage value of the air pressure. The flow battery ion membrane air tightness detection tooling provided in the embodiment of the present disclosure has a simple structure and is easy to operate, which improves the accuracy of the air tightness detection of ion membrane damage and reduces the misjudgment and misuse of defective products.

[0032] The flow battery ion membrane air tightness detection tool provided in the embodiment of the present disclosure performs analysis and detection based on the air pressure leakage value, quickly identifies the air tightness status of the ion membrane, and eliminates the waste of production costs caused by assembling poor ion membranes.

[0033] Optionally, the lifting mechanism 303 includes a cylinder, the cylinder body of the cylinder is fixed to the bracket assembly 200, and the piston rod of the cylinder is connected to the pressing plate 300, which has a simple structure and is easy to implement. Optionally, the lifting mechanism 303 can also be a motor and a screw nut structure matched with the motor.

[0034] Optionally, the sealing member 402 may be a sealing ring. Optionally, the sealing member 402 may be a circular rubber sealing ring with the central axis of the pressing plate 300 as the axis.

[0035] Optionally, a first sealing ring is provided on the surface of the pressing plate 300 facing the mounting plate 400, and a second sealing ring is provided on the surface of the mounting plate 400 facing the pressing plate 300, which can improve the sealing effect so that when the ion membrane is pressed between the pressing plate 300 and the mounting plate 400, a first enclosed space is formed between the ion membrane and the pressing plate 300, and a second enclosed space is formed between the ion membrane and the mounting plate 400, thereby preventing the gas used in the air-tightness test from leaking from the gap between the pressing plate 300 and the mounting plate 400, thereby improving the accuracy of the air-tightness test.

[0036] Optionally, the pressing plate 300 is provided with a reinforcing block 302 to improve the strength of the pressing plate 300 .

[0037] In some specific implementations, the mounting plate 400 is provided with an air outlet communicating with the second enclosed space, and the air outlet is connected to an exhaust pipe 406 .

[0038] In some specific implementations, the air inlet is connected to the air source via an air inlet pipe 305 .

[0039] In some specific embodiments, a first pressure gauge and a second pressure gauge are further included, wherein the first pressure gauge is used to detect the air pressure in the first enclosed space, and the second pressure gauge is used to detect the air pressure in the second enclosed space. Optionally, the first pressure gauge is disposed on the air inlet pipe 305, and the second pressure gauge is disposed on the exhaust pipe 406.

[0040] In some specific implementations, a base 100 is further included, and the bracket assembly 200 is disposed on the base 100. Optionally, the base 100 is made by welding a square tube.

[0041] In some specific embodiments, the bracket assembly 200 includes a base plate 201, a panel 203 and two side panels 202; the two side panels 202 are arranged at intervals, the top of the side panel 202 is connected to the panel 203, and the bottom of the side panel 202 is connected to the base plate 201; the lifting mechanism 303 is installed on the panel 203.

[0042] In some specific embodiments, the base plate 201 is provided with a guide rail 404, and the guide rail 404 can be fixed to the base plate 201 by fasteners. A slider is provided at the bottom of the mounting plate 400, and the slider is fixedly connected to the mounting plate 400. The slider is slidably set on the guide rail 404. When in use, the mounting plate 400 can be slid out along the track, and after the ion membrane is placed on the mounting plate 400, the mounting plate 400 can be returned to its original position. The structure is simple and the operation is convenient.

[0043] Optionally, the side plate 202 is provided with a first limit block 205, and the first limit block 205 is used to limit the travel of the mounting plate 400, so that the mounting plate 400 stops moving after moving to the pressing station.

[0044] In some specific implementations, the mounting plate 400 is provided with a handle 401 to facilitate pulling the mounting plate 400 .

[0045] Optionally, the mounting plate 400 is provided with a second stop block 405, so that the mounting plate 400 stops moving after being moved to the pressing position. The first stop block 205 and the second stop block 405 can enable the mounting plate 400 to move accurately to the pressing position.

[0046] In some specific embodiments, the panel 203 is provided with a guide sleeve 204, and the pressing plate 300 is provided with a guide post 304, and the guide post 304 is slidably matched with the guide sleeve 204 to facilitate the guided movement of the pressing plate 300. Optionally, the guide sleeve 204 is a plurality of guide posts 304 arranged at intervals along the circumference, and the guide posts 304 are a plurality of guide posts 304 arranged at intervals along the circumference; Optionally, the guide sleeve 204 and the guide post 304 are preferably set to four.

[0047] The ion membrane detection device provided in the embodiment of the present disclosure includes the flow battery ion membrane air tightness detection tool provided in the embodiment of the present disclosure. Since the ion membrane detection device provided in the embodiment of the present disclosure has the same advantages as the flow battery ion membrane air tightness detection tool provided in the embodiment of the present disclosure, they are not described in detail here.

[0048] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps recorded in this disclosure can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solutions disclosed in this disclosure can be achieved, and this document does not limit this.

[0049] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present disclosure, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0050] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A flow battery ion membrane air tightness detection tool, characterized in that: include: A support assembly (200), and a pressing plate (300), a mounting plate (400), and a lifting mechanism (303) arranged on the support assembly (200); The pressing plate (300) is located above the mounting plate (400); The lifting mechanism (303) is connected to the pressing plate (300) and is used to drive the pressing plate (300) to move towards or away from the mounting plate (400); A sealing member (402) is provided on the surface of the pressing plate (300) facing the mounting plate (400) or on the surface of the mounting plate (400) facing the pressing plate (300), so that when the ion membrane is pressed between the pressing plate (300) and the mounting plate (400), a first closed space is formed between the ion membrane and the pressing plate (300), and a second closed space is formed between the ion membrane and the mounting plate (400); The pressing plate (300) is provided with an air inlet connected to the first enclosed space.

2. The flow battery ion membrane air tightness detection tool according to claim 1, characterized in that: The mounting plate (400) is provided with an air outlet communicating with the second enclosed space, and the air outlet is connected to an exhaust pipe (406).

3. The flow battery ion membrane air tightness detection tool according to claim 1, characterized in that: The air inlet is connected to an air source via an air inlet pipe (305).

4. The flow battery ion membrane air tightness detection tool according to claim 1, characterized in that: It also includes a first pressure gauge and a second pressure gauge, wherein the first pressure gauge is used to detect the air pressure in the first enclosed space, and the second pressure gauge is used to detect the air pressure in the second enclosed space.

5. The flow battery ion membrane air tightness detection tool according to claim 1, characterized in that: It also includes a base (100), and the bracket assembly (200) is arranged on the base (100).

6. The flow battery ion membrane air tightness detection tool according to any one of claims 1 to 5, characterized in that: The support assembly (200) comprises a bottom plate (201), a panel (203) and two side plates (202); The two side panels (202) are arranged at intervals, the top of the side panel (202) is connected to the panel (203), and the bottom of the side panel (202) is connected to the bottom panel (201); The lifting mechanism (303) is installed on the panel (203).

7. The flow battery ion membrane air tightness detection tool according to claim 6, characterized in that: The bottom plate (201) is provided with a guide rail (404), and the bottom of the mounting plate (400) is provided with a slider, which is slidably arranged on the guide rail (404).

8. The flow battery ion membrane air tightness detection tool according to claim 6, characterized in that: The mounting plate (400) is provided with a handle (401).

9. The flow battery ion membrane air tightness detection tool according to claim 6, characterized in that: The panel (203) is provided with a guide sleeve (204), and the pressing plate (300) is provided with a guide column (304), and the guide column (304) is slidably matched with the guide sleeve (204).

10. An ion membrane detection device, characterized in that: A flow battery ion membrane air tightness detection tool comprising any one of claims 1 to 9.

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