Flow battery circuit connecting device

Abstract

The utility model belongs to the technical field of flow batteries, and discloses a flow battery circuit connecting device, which is characterized in that a metal shell is fixed with a wire inlet and a wire outlet through bolts, a mounting plate is fastened with the metal shell through bolts, a static plug is fastened with the mounting plate through bolts, and a movable plug is connected with the static plug through a lock catch. The cable connector and the communication connector are fixed to the metal shell. A cable penetrates through the cable connector and is in cold pressing connection with the static plug. The flow battery circuit connecting device provided by the utility model is simple in structure, realizes quick connection of internal and external circuits of the flow battery through the split type detachable male and female plugs, can simultaneously realize double sealing of internal and external spaces and prevent corrosive gas and liquid from entering, and has reliable mechanical strength as the male and female plugs are connected through lock catches; and quick connection convenience is achieved, and maintenance and replacement are convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of liquid flow battery, and relates to a liquid flow battery circuit connecting device, which aims at conveniently and reliably connecting the internal and external circuits of the liquid flow battery. BACKGROUND

[0002] The core feature of the liquid flow battery is that it stores energy in the electrolyte instead of the electrode material. Compared with traditional batteries, the liquid flow battery has significant advantages in safety, scalability and long life. For example, the liquid flow battery generally has non-toxic and non-flammable characteristics, and has a longer range and a faster charging speed than lithium-ion batteries. In addition, the scalability of the liquid flow battery allows it to adjust the energy storage capacity as needed, simply by expanding the size of the solution tank or increasing the solution concentration to achieve more energy storage.

[0003] However, the liquid flow battery still faces some technical challenges in practical application. Among them, the design and performance of the circuit connecting device is one of the key factors affecting the overall performance and reliability of the liquid flow battery. The circuit connecting device is responsible for connecting the positive and negative electrolytes of the liquid flow battery to the external circuit to realize the output and input of electrical energy. If the circuit connecting device is not properly designed or has poor performance, it may lead to reduced battery efficiency, shortened life and increased maintenance costs.

[0004] Currently, the circuit connecting device of the liquid flow battery mostly adopts the traditional connection method. In the liquid flow energy storage battery circuit, the existing connection technology uses a cable head connected by a conductive body (copper bar) through a bolt. The existing technology is low in integration, occupies a large space, is not convenient to disassemble, and has poor sealing at the joint. In the liquid flow energy storage battery system, it is easy to be corroded by corrosive gas, resulting in a decrease in electrical performance.

[0005] Therefore, developing a new type of liquid flow battery circuit connecting device to improve the performance and reliability of the liquid flow battery has become one of the hotspots in the current liquid flow battery technology research. This new type of circuit connecting device needs to solve the problems existing in the traditional connection method, and also needs to have the advantages of simple structure, easy manufacturing and maintenance, and low cost. SUMMARY

[0006] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0007] A liquid flow battery circuit connecting device, the metal shell is fixed with the inlet and outlet by bolts, the mounting plate is fastened with the metal shell by bolts, the static plug is fastened with the mounting plate by bolts, the dynamic plug is connected with the static plug by a lock, the cable connector and the communication connector are fixed with the metal shell, and the cable passes through the cable connector and is cold-pressed connected with the static plug.

[0008] Optionally, the outer edge of the metal shell is provided with a mounting hole.

[0009] Optionally, a sealing gasket is arranged between the outer edge of the metal shell and the inlet and outlet line port of the flow battery.

[0010] Optionally, a sealing gasket is arranged between the mounting plate and the metal shell.

[0011] Optionally, the thickness of the sealing gasket is 1-4 mm.

[0012] Optionally, a rubber ring is arranged between the static plug and the mounting plate.

[0013] Optionally, the surface of the metal shell and the mounting plate is subjected to corrosion protection treatment.

[0014] Optionally, the mounting plate is made of metal material.

[0015] Optionally, the thickness of the mounting plate is 1-4 mm.

[0016] Optionally, the thickness of the metal shell is 1-3 mm.

[0017] The beneficial effects of the present application compared with the prior art are:

[0018] (1) small volume and high integration degree;

[0019] The circuit connection device has small volume and high integration degree. At most, 8 communication cables and 10 power cables can be reliably connected at the same time.

[0020] (2) convenient maintenance;

[0021] The circuit connection device has fast connection, which greatly facilitates the maintenance.

[0022] (3) internal and external double sealing;

[0023] All fixed positions of the circuit connection device are provided with sealing gaskets or sealing rings, realizing internal and external double sealing, and effectively preventing corrosive gas from entering. BRIEF DESCRIPTION OF DRAWINGS

[0024] The present application will be further described below in combination with the drawings and embodiments.

[0025] Figure 1 is a structural schematic view of the present application.

[0026] In the figure: 1. metal shell, 2. mounting plate, 3. dynamic plug, 4. static plug, 5. cable joint, 6. communication joint, 7. cable. DETAILED DESCRIPTION

[0027] The utility model is described in detail below through specific embodiments, but does not limit the protection scope of the utility model. Unless otherwise specified, the experimental methods used in the utility model are conventional methods, and the experimental equipment, materials, reagents, etc. used can be obtained from commercial channels.

[0028] Example 1

[0029] (1) Scheme summary

[0030] The liquid flow battery circuit connecting device has a male plug 3 and a female plug 4, and the cable 7 is detachably connected through the male plug 3 and the female plug 4. The connecting device has airtightness, the connecting device shell is a metal material, the metal shell 1 is fixed on the liquid flow battery inlet and outlet port through bolts, and the connecting device is fixed on the wire, so as to realize the connection of the internal and external circuits of the liquid flow battery.

[0031] The liquid flow battery circuit connecting device provided by the utility model has the advantages of simple structure, quick connection of internal and external circuits of the liquid flow battery through the split detachable male and female plugs, double airtightness of internal and external spaces, prevention of corrosion gas and liquid from entering, lock buckle connection of the male and female plugs, reliable mechanical strength, convenience of quick connection, and convenience of maintenance and replacement.

[0032] (2) Component parts

[0033] The liquid flow battery has an inlet and outlet port, and the connecting device has a metal shell 1, a mounting plate 2, a male plug 3, a female plug 4, a cable connector 5, a communication connector 6, and a cable 7. The mounting plate 2 is also called a sealing plate, the male plug 3 is also called a male plug, and the female plug 4 is also called a female plug.

[0034] (3) Assembly relationship

[0035] The metal shell 1 is fixed with the inlet and outlet port by bolts, the mounting plate 2 is fastened with the metal shell 1 by bolts, the female plug 4 is fastened with the mounting plate 2 by bolts, the male plug 3 is connected with the female plug 4 by a lock buckle, the cable connector 5 and the communication connector 6 are fixed with the metal shell 1, and the cable 7 is connected with the female plug 4 by cold pressing through the cable connector 5.

[0036] (4) Technical points

[0037] The metal shell 1 is processed by sheet metal and full welding process, the thickness of the metal shell 1 is 1-3mm, the surface is subjected to corrosion prevention treatment, and at least four mounting holes are provided on the outer edge, so that it has reliable mechanical strength and protection level, a sealing gasket is arranged between the outer edge of the metal shell 1 and the inlet and outlet port of the liquid flow battery, the thickness of the sealing gasket is 1-4mm, and the metal shell 1 is fixed to ensure the airtightness of the internal part of the liquid flow battery.

[0038] The mounting plate 2 is made of metal material, the material thickness is 1-4 mm, the surface is subjected to corrosion protection treatment, a sealing gasket is arranged between the mounting plate 2 and the metal shell 1, the sealing gasket thickness is 1-4 mm, and the mounting plate 2 is fixed to ensure the airtightness of the inside of the connecting device.

[0039] The static plug 4 is compact in volume, small in space occupation, has an IP67 protection level, has sufficient creepage distance, reliable electrical performance, a rubber ring is arranged between the static plug 4 and the mounting plate 2, and the inside of the connecting device is ensured to be airtight after being fixed.

[0040] The circuit connecting device integrates communication cables and power cables. Up to 8 communication cables and 10 power cables can be reliably connected.

[0041] The above-mentioned embodiments are only preferred embodiments of the utility model, rather than all the embodiments that can be implemented by the utility model. Any obvious changes made by the person skilled in the art without departing from the principle and spirit of the utility model should be considered to be included in the protection scope of the claims of the utility model.

Claims

1. A flow battery circuit connection device, characterized by, The metal shell (1) is fixed with the inlet and outlet line port by bolts, the mounting plate (2) is fastened with the metal shell (1) by bolts, the static plug (4) is fastened with the mounting plate (2) by bolts, the dynamic plug (3) is connected with the static plug (4) by a lock, the cable joint (5) and the communication joint (6) are fixed with the metal shell (1), and the cable (7) is cold-pressed with the static plug (4) through the cable joint (5).

2. The flow battery circuit connection device of claim 1, wherein, The outer edge of the metal shell (1) is provided with a mounting hole.

3. The flow battery circuit connection device of claim 1, wherein, A sealing gasket is arranged between the outer edge of the metal shell (1) and the inlet and outlet line port of the flow battery.

4. The flow battery circuit connection device of claim 1, wherein, A sealing gasket is arranged between the mounting plate (2) and the metal shell (1).

5. The flow battery circuit connection device of claim 3 or 4, wherein, The thickness of the sealing gasket is 1-4 mm.

6. The flow battery circuit connection device of claim 1, wherein, A rubber ring is arranged between the static plug (4) and the mounting plate (2).

7. The flow battery circuit connection device of claim 1, wherein, The surfaces of the metal shell (1) and the mounting plate (2) are subjected to corrosion prevention treatment.

8. The flow battery circuit connection device of claim 1, wherein, The mounting plate (2) is made of metal.

9. The flow battery circuit connection device of claim 1, wherein, The thickness of the mounting plate (2) is 1-4 mm.

10. The flow battery circuit connection device of claim 1, wherein, The thickness of the metal shell (1) is 1-3 mm.

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