Bipolar plate of all-vanadium redox flow battery

Abstract

The utility model relates to the technical field of all-vanadium redox flow batteries, in particular to an all-vanadium redox flow battery bipolar plate which comprises an all-vanadium redox flow battery body and a top plate, the top plate is fixedly connected above the all-vanadium redox flow battery body, a protection mechanism is arranged below the top plate, two first vertical plates are fixedly connected to the upper surface of the top plate, and two second vertical plates are fixedly connected to the lower surface of the top plate. A supporting base is fixedly connected to the upper portions of the two first vertical plates, and a temperature exchange cylinder is fixedly connected to the upper portion of the supporting base. The blown cold air enters the support and passes through the filter screen, the filter screen filters dust in the air, finally, the cold air is blown to the all-vanadium redox flow battery body through the through hole to dissipate heat of the all-vanadium redox flow battery body, and the dust filtered by the filter screen is accumulated in the collecting box; and a second vertical plate is pulled, the second vertical plate drives a collecting box to move, the collecting box is taken out, dust in the collecting box is cleaned, and the situation that the filtering effect of the filter screen is affected by excessive dust is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of all-vanadium liquid flow batteries, in particular to an all-vanadium liquid flow battery bipolar plate. Background Art

[0002] The all-vanadium liquid flow battery is a redox battery in which the active material is in a circulating liquid state. It has the characteristics of high capacity, flexible capacity configuration, long cycle life, safety and environmental protection.

[0003] For example, the all-vanadium liquid flow battery bipolar plate with patent number CN218867169U includes: an all-vanadium liquid flow battery body, wherein the all-vanadium liquid flow battery body has a bipolar plate, an electrode, an electrode frame, and an ion conduction membrane built in the bipolar plate; a top plate, wherein the top plate is fixedly mounted on the top of the all-vanadium liquid flow battery body; a support, wherein the support is fixedly mounted on the top of the top plate. The above document still has deficiencies. When in use, the top plate on the top of the all-vanadium liquid flow battery body can block dust, reduce dust accumulation, and ensure heat dissipation. The pipeline on the temperature exchange cylinder can discharge the cold air produced by the refrigeration mechanism to the all-vanadium liquid flow battery body, so that it dissipates heat evenly and ensures the working temperature. Compared with cooling the entire room, it reduces energy consumption, and the semiconductor refrigeration plate in the refrigeration mechanism can perform rapid cooling.

[0004] However, when the bipolar plates of the all-vanadium liquid flow battery in the above-mentioned document are dissipating heat, the wind blowing toward the all-vanadium liquid flow battery body will be mixed with dust. The dust accumulated on the surface of the all-vanadium liquid flow battery body can easily affect the use of the all-vanadium liquid flow battery body. When the all-vanadium liquid flow battery body is dissipating heat, it is not convenient to filter the dust in the wind blowing toward the all-vanadium liquid flow battery body. At the same time, the cooling fan, the thermal heat sink and the cooling fan will be damaged to a certain extent after long-term use. The cooling fan, the thermal heat sink and the cooling fan are all fixed inside the temperature exchange cylinder. When in use, it is not convenient to maintain the cooling fan, the thermal heat sink and the cooling fan. Utility Model Content

[0005] The utility model aims to solve the problem that it is inconvenient to filter dust in the wind blowing toward the all-vanadium liquid flow battery body, and proposes an all-vanadium liquid flow battery bipolar plate.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A bipolar plate for an all-vanadium liquid flow battery is designed, comprising an all-vanadium liquid flow battery body and a top plate, wherein the top plate is fixedly connected to the top of the all-vanadium liquid flow battery body, a protective mechanism is arranged below the top plate, two vertical plates 1 are fixedly connected to the upper surface of the top plate, a support seat is fixedly connected to the top of the two vertical plates 1, a temperature exchange cylinder is fixedly connected to the top of the support seat, a clamping mechanism is arranged inside the temperature exchange cylinder, and the top plate is fixedly connected to the outer wall of the shunt pipe.

[0008] Preferably, the protection mechanism includes a bracket, the bracket is fixedly connected to the bottom of the top plate, a through opening is provided inside the bracket, a collection box is fitted in the internal gap of the bracket, a filter is fixedly connected to the inside of the collection box, and a vertical plate 2 is fixedly connected to the surface of the collection box.

[0009] Preferably, the clamping mechanism includes a cylinder, the outer wall of the cylinder is gap-fitted with the temperature exchange cylinder, a first claw is fixedly connected to the end of the cylinder, the first claw is clamped with the second claw, the second claw is rotatably connected to the temperature exchange cylinder through a pin shaft, the second claw and the temperature exchange cylinder are respectively fixedly connected to the two ends of a spring, the second claw is fixedly connected to one end of a rope body, the outer wall of the rope body is slidably connected to the temperature exchange cylinder, and a pull ring is fixedly connected to the other end of the rope body.

[0010] Preferably, a flow distribution pipe is fixedly connected to the upper end of the flow distribution pipe, and two ends of the flow distribution pipe are respectively fixedly connected to two vertical plates.

[0011] Preferably, an air outlet pipe is fixedly connected above the flow distribution pipe, an outer wall of the air outlet pipe is fixedly connected to a support seat, and the air outlet pipe is connected to the temperature exchange cylinder through a flange.

[0012] Preferably, a cooling fan, a heat-conducting heat sink and a heat-dissipating fan are installed inside the cylinder.

[0013] The utility model proposes a bipolar plate for an all-vanadium liquid flow battery, which has the beneficial effects of: through the cooperation among the bracket, the through-port, the collecting box, the filter and the second vertical plate, the blown cold air enters the interior of the bracket, the cold air passes through the filter, the filter filters the dust in the wind, and finally the cold air is blown toward the all-vanadium liquid flow battery body through the through-port to dissipate the heat of the all-vanadium liquid flow battery body, the dust filtered out by the filter accumulates inside the collecting box, when there is a lot of dust inside the collecting box, the second vertical plate is pulled, the second vertical plate drives the collecting box to move, the collecting box is taken out to clean the dust in the collecting box, and the excessive dust is prevented from affecting the filtering effect of the filter, and due to the setting of the filter, when the heat is dissipated to the all-vanadium liquid flow battery body, it is convenient to filter the dust in the wind blowing toward the all-vanadium liquid flow battery body.

[0014] Through the cooperation among the cylinder, the first claw, the second claw, the spring, the rope body and the pull ring, the two pull rings are pulled, the pull ring drives the rope body to slide, the second claw of the rope body rotates, the spring is compressed, and with the rotation of the second claw, the first claw and the second claw are gradually separated, the second claw is no longer clamped and fixed to the first claw, the cylinder is driven, and then the cooling fan, the heat sink and the cooling fan are taken out for maintenance, which is convenient for the maintenance of the cooling fan, the heat sink and the cooling fan during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a structural sectional view of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the connection between the vertical plate 1, the support seat and the top plate in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the connection between the cylinder, the first claw and the spring in the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the connection between the bracket, the collection box and the filter screen in the utility model;

[0020] Figure 6 It is a structural schematic diagram of the connection between the bracket, the through port and the collecting box in the utility model.

[0021] In the figure: 1. all-vanadium liquid flow battery body, 2. top plate, 3. protection mechanism, 301. bracket, 302. through port, 303. collection box, 304. filter, 305. vertical plate 2, 3a1. handle, 4. clamping mechanism, 401. cylinder, 402. first clamping claw, 403. second clamping claw, 404. spring, 405. rope body, 406. pull ring, 5. vertical plate 1, 6. support seat, 7. temperature exchange cylinder, 8. shunt pipe, 9. flow distribution pipe, 10. air outlet pipe, 11. cooling fan, 12. heat sink, 13. cooling fan. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings: Example 1

[0023] Refer to the attached Figure 1-6 : In this embodiment, a bipolar plate of an all-vanadium liquid flow battery includes an all-vanadium liquid flow battery body 1 and a top plate 2. The structure of the all-vanadium liquid flow battery body 1 and the relationship between the all-vanadium liquid flow battery body 1 and the bipolar plate of the all-vanadium liquid flow battery are the same as those in the bipolar plate of the all-vanadium liquid flow battery with patent number CN218867169U. The top plate 2 is fixedly connected to the top of the all-vanadium liquid flow battery body 1. A protective mechanism 3 is arranged below the top plate 2. The protective mechanism 3 filters dust in the wind blowing toward the all-vanadium liquid flow battery body 1, thereby protecting the all-vanadium liquid flow battery body 1.

[0024] Two vertical plates 5 are fixedly connected to the upper surface of the top plate 2, and a support seat 6 is fixedly connected above the two vertical plates 5. A temperature exchange tube 7 is fixedly connected above the support seat 6. A clamping mechanism 4 is arranged inside the temperature exchange tube 7. The clamping mechanism 4 is convenient for taking out the cooling fan 11, the heat sink 12 and the heat dissipation fan 13. The top plate 2 is fixedly connected to the outer wall of the shunt pipe 8, and a distribution pipe 9 is fixedly connected to the upper end of the shunt pipe 8. The shunt pipe 8 is connected to the distribution pipe 9. The two ends of the distribution pipe 9 are respectively fixedly connected to the two vertical plates 5, and an air outlet pipe 10 is fixedly connected above the distribution pipe 9. The air outlet pipe 9 is connected to the air outlet pipe 10. The outer wall of the air outlet pipe 10 is fixedly connected to the support seat 6, and the air outlet pipe 10 is connected to the temperature exchange tube 7 through a flange.

[0025] The protection mechanism 3 includes a bracket 301, a through-port 302, a collection box 303, a filter 304 and a second vertical plate 305. The bracket 301 is fixedly connected to the bottom of the top plate 2. The bracket 301 is provided with a through-port 302 inside. The through-port 302 is convenient for wind to pass through to dissipate heat for the all-vanadium liquid flow battery body 1. The internal gap of the bracket 301 is matched with a collection box 303. The collection box 303 collects dust. The collection box 303 is fixedly connected with a filter 304 inside. The filter 304 filters dust. The surface of the collection box 303 is fixedly connected with a second vertical plate 305. The second vertical plate 305 drives the collection box 303 to move.

[0026] The blown cold air enters the interior of the bracket 301, and the cold air passes through the filter 304, which filters the dust in the wind. Finally, the cold air is blown toward the all-vanadium liquid flow battery body 1 through the opening 302 to dissipate the heat of the all-vanadium liquid flow battery body 1. The dust filtered out by the filter 304 is accumulated in the collection box 303. When there is a lot of dust in the collection box 303, the vertical plate 305 is pulled, and the vertical plate 305 drives the collection box 303 to move, and the collection box 303 is taken out to clean the dust in the collection box 303 to avoid excessive dust affecting the filtering effect of the filter 304. Due to the setting of the filter 304, when the all-vanadium liquid flow battery body 1 is dissipated, it is convenient to filter the dust in the wind blowing toward the all-vanadium liquid flow battery body 1.

[0027] The clamping mechanism 4 includes a cylinder 401, a first clamping claw 402, a second clamping claw 403, a spring 404, a rope body 405 and a pull ring 406. The outer wall of the cylinder 401 is clearance-matched with the temperature-exchange cylinder 7. The end of the cylinder 401 is fixedly connected with the first clamping claw 402, the first clamping claw 402 moves with the cylinder 401, the first clamping claw 402 is clamped with the second clamping claw 403, and the second clamping claw 403 clamps and fixes the first clamping claw 402. The second clamping claw 403 is rotationally connected to the temperature-exchange cylinder 7 through a pin shaft, and the second clamping claw 403 and the temperature-exchange cylinder 7 are respectively fixedly connected to the two ends of the spring 404. The model of the spring 404 is selected according to the actual use requirements to meet the work needs;

[0028] The spring 404 can drive the second claw 403 to move under the action of elasticity. The second claw 403 is fixedly connected to one end of the rope body 405. The rope body 405 drives the second claw 403 to rotate. The outer wall of the rope body 405 is slidably connected to the temperature exchange cylinder 7. The other end of the rope body 405 is fixedly connected with a pull ring 406. The pull ring 406 drives the rope body 405 to move. The cylinder 401 is internally installed with a cooling fan 11, a heat-conducting heat sink 12 and a cooling fan 13. The models and working principles of the cooling fan 11, the heat-conducting heat sink 12 and the cooling fan 13 are the same as those in the all-vanadium liquid flow battery bipolar plate with patent number CN218867169U;

[0029] Pull the two pull rings 406, the pull rings 406 drive the rope body 405 to slide, the second claw 403 carried by the rope body 405 rotates, and the spring 404 is compressed. As the second claw 403 rotates, the first claw 402 and the second claw 403 are gradually separated, and the second claw 403 no longer clamps and fixes the first claw 402, driving the cylinder 401, and then taking out the cooling fan 11, the heat sink 12 and the cooling fan 13 for maintenance. When in use, it is convenient to maintain the cooling fan 11, the heat sink 12 and the cooling fan 13.

[0030] Working principle:

[0031] When in use, an external pipeline is installed on the all-vanadium liquid flow battery body 1 and hoisted through the lifting lugs on the top plate 2, and the all-vanadium liquid flow battery body 1 is placed on the mounting frame. It is selected whether to connect the all-vanadium liquid flow battery body 1 in series according to the needs. The installation and operation of the all-vanadium liquid flow battery body 1 adopt the existing mature technology, and the bipolar plate therein is the same as the existing technology. Those skilled in the art will naturally know that no unnecessary details will be given here.

[0032] All-vanadium liquid flow battery body heat dissipation stage:

[0033] The all-vanadium liquid flow battery body 1 will generate more heat when working, and the cooling fan 11, the heat-conducting heat sink 12 and the heat dissipation fan 13 are started. The models and working principles of the cooling fan 11, the heat-conducting heat sink 12 and the heat dissipation fan 13 are the same as those in the all-vanadium liquid flow battery bipolar plate with patent number CN218867169U. The cooling fan 11, the heat-conducting heat sink 12 and the heat dissipation fan blow cold air into the inside of the air outlet 10, and the cold air enters the inside of the distribution pipe 9, and then is blown out by a plurality of shunt pipes 8. The blown cold air enters the inside of the bracket 301, and the cold air passes through the filter 304, and the filter 304 removes dust in the wind. The filter is filtered, and finally the cold wind is blown toward the all-vanadium liquid flow battery body 1 through the port 302 to dissipate heat for the all-vanadium liquid flow battery body 1. The dust filtered out by the filter 304 is accumulated inside the collection box 303. When there is a lot of dust inside the collection box 303, the vertical plate 305 is pulled, and the vertical plate 305 drives the collection box 303 to move, and the collection box 303 is taken out to clean the dust inside the collection box 303 to avoid excessive dust affecting the filtering effect of the filter 304. Due to the setting of the filter 304, when the all-vanadium liquid flow battery body 1 is dissipated, it is convenient to filter the dust in the wind blowing toward the all-vanadium liquid flow battery body 1;

[0034] Cooling fan, heat sink and cooling fan disassembly stage:

[0035] When the cooling fan 11, the heat-conducting heat sink 12 and the cooling fan 13 need to be maintained, the cooling fan 11, the heat-conducting heat sink 12 and the cooling fan 13 are turned off, and the two pull rings 406 are pulled. The pull ring 406 drives the rope body 405 to slide, and the second claw 403 carried by the rope body 405 rotates, and the spring 404 is compressed. As the second claw 403 rotates, the first claw 402 and the second claw 403 are gradually separated, and the second claw 403 no longer clamps and fixes the first claw 402. The cylinder 401 is taken out, and then the cooling fan 11, the heat-conducting heat sink 12 and the cooling fan 13 are taken out for maintenance. When in use, it is convenient to maintain the cooling fan 11, the heat-conducting heat sink 12 and the cooling fan 13. After the maintenance is completed, the pull ring 406 is pulled outward to insert the cylinder 401, and finally the pull ring 406 is released. Example 2

[0036] Refer to the attached Figure 1-6 : In this embodiment, a bipolar plate of an all-vanadium liquid flow battery, the protection mechanism 3 also includes a handle 3a1, the handle 3a1 is fixed to the surface of the second vertical plate 305, and the handle 3a1 drives the second vertical plate 305 to move;

[0037] Through the function of the handle 3a1, when it is necessary to pull the second vertical board 305, the second vertical board 305 is pulled through the handle 3a1, and the handle 3a1 is used to facilitate pulling the second vertical board 305.

[0038] Working principle:

[0039] When the second vertical board 305 needs to be pulled, the second vertical board 305 is pulled through the handle 3a1, and the handle 3a1 makes it easy to pull the second vertical board 305.

[0040] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A bipolar plate for an all-vanadium liquid flow battery, comprising an all-vanadium liquid flow battery body (1) and a top plate (2), wherein the top plate (2) is fixedly connected to the top of the all-vanadium liquid flow battery body (1), characterized in that: A protective mechanism (3) is provided below the top plate (2); two vertical plates (5) are fixedly connected to the upper surface of the top plate (2); a support seat (6) is fixedly connected above the two vertical plates (5); a temperature exchange cylinder (7) is fixedly connected above the support seat (6); a clamping mechanism (4) is provided inside the temperature exchange cylinder (7); and the top plate (2) is fixedly connected to the outer wall of the shunt pipe (8).

2. The all-vanadium liquid flow battery bipolar plate according to claim 1, characterized in that: The protection mechanism (3) comprises a bracket (301), the bracket (301) being fixedly connected to the bottom of the top plate (2), a through opening (302) being provided inside the bracket (301), a collection box (303) being fitted in the internal gap of the bracket (301), a filter screen (304) being fixedly connected inside the collection box (303), and a second vertical plate (305) being fixedly connected to the surface of the collection box (303).

3. The all-vanadium liquid flow battery bipolar plate according to claim 1, characterized in that: The clamping mechanism (4) comprises a cylinder (401), the outer wall of the cylinder (401) is loosely matched with the temperature exchange cylinder (7), a first clamping claw (402) is fixedly connected to the end of the cylinder (401), the first clamping claw (402) is clamped with a second clamping claw (403), the second clamping claw (403) is rotatably connected to the temperature exchange cylinder (7) via a pin, the second clamping claw (403) and the temperature exchange cylinder (7) are respectively fixedly connected to the two ends of a spring (404), the second clamping claw (403) is fixedly connected to one end of a rope body (405), the outer wall of the rope body (405) is slidably connected to the temperature exchange cylinder (7), and the other end of the rope body (405) is fixedly connected to a pull ring (406).

4. The all-vanadium liquid flow battery bipolar plate according to claim 1, characterized in that: The upper end of the flow distribution pipe (8) is fixedly connected to a flow distribution pipe (9), and the two ends of the flow distribution pipe (9) are respectively fixedly connected to two vertical plates (5).

5. The all-vanadium liquid flow battery bipolar plate according to claim 4, characterized in that: An air outlet pipe (10) is fixedly connected above the flow distribution pipe (9), an outer wall of the air outlet pipe (10) is fixedly connected to a support seat (6), and the air outlet pipe (10) is connected to the temperature exchange cylinder (7) via a flange.

6. The all-vanadium liquid flow battery bipolar plate according to claim 3, characterized in that: A cooling fan (11), a heat-conducting heat sink (12) and a heat-dissipating fan (13) are sequentially installed inside the cylinder (401).

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