Membrane sealing structure of flow battery

Abstract

The utility model discloses a membrane sealing structure of a flow battery, and relates to the technical field of flow batteries. The flow battery membrane comprises a flow battery membrane body, two opposite side surfaces of the flow battery membrane body are respectively inserted and matched with a first frame piece, and the other two opposite side surfaces of the flow battery membrane body are respectively inserted and matched with a second frame piece. According to the utility model, through the design and the matching relation of the battery membrane body, the first frame piece, the second frame piece and the connecting piece, the problem that when the existing membrane sealing structure of the flow battery is used for assembling and sealing a flow battery membrane in the flow battery, the flow battery membrane is mostly spliced and assembled into an integral rectangular frame structure; the technical problems that the conventional flow battery membrane is easy to wrinkle at the edge position of the flow battery membrane during the later assembly, the later use process is influenced, and certain inconvenience is brought to the later assembly process of workers are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of liquid flow battery, especially, relate to a membrane sealing structure of liquid flow battery. BACKGROUND

[0002] The liquid flow battery is a kind of electrochemical energy storage technology, and it is a new type of storage battery;The liquid flow battery is composed of point stack unit, electrolyte, electrolyte storage and supply unit and management control unit, and it is a kind of high-performance storage battery using positive and negative electrolyte separation and circulation, with the characteristics of high capacity, wide use field (environment) and long cycle service life, and with the advantages of green environmental protection, non-toxic, non-hazardous, non-flammable and non-explosive, it is a new energy product.

[0003] The membrane sealing structure of the existing liquid flow battery is assembled and sealed to the liquid flow battery membrane inside the liquid flow battery, which is mostly spliced and assembled to a whole rectangular frame structure, which can easily cause the edge of the liquid flow battery membrane to wrinkle during the later assembly, affect the later use process and bring certain inconvenience to the later assembly process of the staff. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of membrane sealing structure of liquid flow battery, through the design of battery membrane body, first frame piece, second frame piece, connecting piece, the technical problem mentioned in the above background technology is solved.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme: the utility model is a kind of membrane sealing structure of liquid flow battery, including liquid flow battery membrane body, the liquid flow battery membrane body is inserted and is cooperated with first frame piece on opposite sides, and the other opposite sides of the liquid flow battery membrane body are inserted and cooperated with second frame piece.

[0006] Connecting piece is inserted and cooperated between adjacent first frame piece and second frame piece.

[0007] The connecting piece includes L-shaped right-angle frame inserted and cooperated between adjacent first frame piece and second frame piece, L-shaped cover plate is fixed on the upper and lower surfaces of the L-shaped right-angle frame, first positioning insertion hole for inserting and cooperating with first frame piece is formed in one outer side surface of the L-shaped right-angle frame, and second positioning insertion hole for inserting and cooperating with second frame piece is formed in the other outer side surface of the L-shaped right-angle frame.

[0008] The utility model is further provided as follows: the first frame piece includes first frame, two first grooves are formed symmetrically on one side of the first frame, first internal thread cylinder is fixed in the first groove, and first screw is connected in the first internal thread cylinder.

[0009] The first recess inner wall is rotationally connected with the first pressing plate through a rotating shaft.

[0010] The first recess inner wall is rotationally connected with the first pressing plate through a rotating shaft.

[0011] The first recess inner wall is rotationally connected with the first pressing plate through a rotating shaft.

[0012] The second frame member comprises a second frame, two symmetrical second recesses are formed on one side of the second frame, a second internal thread cylinder is fixed in the second recess, and a second screw is threadedly connected in the second internal thread cylinder.

[0013] The second recess inner wall is rotationally connected with the second pressing plate through a rotating shaft.

[0014] The second recess inner wall is rotationally connected with the second pressing plate through a rotating shaft.

[0015] The second recess inner wall is rotationally connected with the second pressing plate through a rotating shaft.

[0016] The L-shaped right-angle frame is further provided with anti-deviation insertion plates fixed on the upper and lower inner surfaces of the L-shaped right-angle frame.

[0017] The first frame is provided with two symmetrical anti-deviation insertion grooves on the upper and lower surfaces of the first frame, and the anti-deviation insertion grooves are slidably connected with the anti-deviation insertion plates.

[0018] The second frame is provided with T-shaped rails fixed on the opposite two side surfaces of the second frame.

[0019] The first frame is provided with T-shaped grooves slidably connected on the T-shaped rails on the opposite two side surfaces of the first frame.

[0020] The first frame is provided with a first insertion groove on the opposite other side surface of the first frame.

[0021] The second frame is provided with a second insertion groove on the opposite other side surface of the second frame.

[0022] The opposite surfaces of the two L-shaped cover plates are provided with L-shaped embedded grooves.

[0023] The liquid flow battery membrane body comprises a liquid flow battery membrane which is inserted and matched between the first insertion groove and the second insertion groove, and the upper and lower surfaces of the liquid flow battery membrane are attached with rectangular frame sealing pads, and the outer circumferential side of the rectangular frame sealing pad is fixed with a rectangular frame leakage prevention sealing plate which is inserted and matched in the L-shaped embedded groove.

[0024] The utility model has the following beneficial effects: 1, the utility model discloses a first screw is rotated, and the downward pressure of the first pressure plate that rotates and is matched in the first recess is produced, and the first warped plate is driven to be warped, and the mutual adhesion sliding contact process between the first warped plate and the first inserting rod is passed, and the first inserting rod is driven to move slowly upwards on the first bottom plate, and finally the top of the first inserting rod is inserted and matched to the inside of the first positioning jack, and the rectangular frame that is formed by the first frame member and the second frame member that are respectively arranged oppositely is positioned and locked after splicing, avoids the installation mode of the external frame integral type to cause the edge position of the liquid flow battery membrane body to be wrinkled, replaces the original integral type installation mode, and staff carries out the assembly of later period conveniently.

[0025] 2, the utility model discloses a second screw is rotated, and the downward pressure of the second pressure plate that rotates and is matched in the second recess is produced, and the second warped plate is driven to be warped, and the mutual adhesion sliding contact process between the second warped plate and the second inserting rod is passed, and the second inserting rod is driven to move slowly upwards on the second bottom plate, and finally the top of the second inserting rod is inserted and matched to the inside of the second positioning jack, and the rectangular frame that is formed by the first frame member and the second frame member that are respectively arranged oppositely is positioned and locked after splicing, replaces the original integral type installation mode, avoids the installation mode of the external frame integral type to cause the edge position of the liquid flow battery membrane body to be wrinkled, and staff carries out the assembly of later period conveniently. ACCURATE DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0027] Figure 1 It is a kind of membrane sealing structure of the structure schematic diagram of liquid flow battery.

[0028] Figure 2 It is the structure schematic diagram of liquid flow battery membrane body of the utility model.

[0029] Figure 3 It is the structure schematic diagram of first frame member of the utility model.

[0030] Figure 4 It is the cross section structure schematic view of the first frame member of the utility model.

[0031] Figure 5 It is the front view of the structure of the utility model.

[0032] Figure 6 It is the structure schematic view of the second frame member of the utility model.

[0033] Figure 7 It is the cross section structure schematic view of the second frame member of the utility model.

[0034] Figure 8 It is the structure schematic view of the connecting piece of the utility model.

[0035] Figure 9 It is the structure schematic view of the connecting piece of the utility model.

[0036] Figure 10 It is the structure front view of the utility model Figure 8 .

[0037] In the drawing, the component list represented by each sign is as follows:

[0038] 1-flow battery membrane body, 101-flow battery membrane, 102-rectangular frame sealing gasket, 103-rectangular frame leakproof sealing plate, 2-first frame member, 201-first frame, 202-first recess, 203-first internal thread cylinder, 204-first screw, 205-first pressing plate, 206-first bottom plate, 207-first inserting rod, 208-first bottom ring, 209-first spring, 210-first warped plate, 211-anti-deviation slot, 212-T-shaped groove, 213-first slot, 3-second frame member, 301-second frame, 302-second recess, 303-second internal thread cylinder, 304-second screw, 305-second pressing plate, 306-second bottom plate, 307-second inserting rod, 308-second bottom ring, 309-second spring, 310-second warped plate, 311-T-shaped rail, 312-second slot, 4-connecting piece, 401-L-shaped right-angle frame, 402-L-shaped cover plate, 403-first positioning insertion hole, 404-second positioning insertion hole, 405-anti-deviation insertion plate, 406-L-shaped embedded groove. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] For a specific implementation example, please refer to Implementation Example 1. Figures 1-10 This utility model is a membrane sealing structure for a flow battery, including a flow battery membrane body 1. First frame members 2 are inserted and fitted onto two opposite sides of the flow battery membrane body 1, and second frame members 3 are inserted and fitted onto two opposite sides of the flow battery membrane body 1. Connecting members 4 are inserted and fitted between adjacent first frame members 2 and second frame members 3. Connecting members 4 include an L-shaped right-angle frame 401 inserted and fitted between adjacent first frame members 2 and second frame members 3. L-shaped cover plates 402 are fixed to the upper and lower surfaces of the L-shaped right-angle frame 401. A first positioning hole 403, which is inserted and fitted onto the first frame member 2, is provided through one outer side of the L-shaped right-angle frame 401, and a second positioning hole 404, which is inserted and fitted onto the second frame member 3, is provided through the other outer side of the L-shaped right-angle frame 401.

[0041] Further, the first frame component 2 includes a first frame 201. Two symmetrical first grooves 202 are formed on one side of the first frame 201. A first internally threaded cylinder 203 is fixed inside the first groove 202, and a first screw 204 is threaded into the first internally threaded cylinder 203. A first pressure plate 205, which is in contact with the first screw 204, is rotatably fitted to the inner wall of the first groove 202 via a pivot. A first base plate 206 is fixed to the outer periphery of the inner wall of the first groove 202 away from the first internally threaded cylinder 203. A first insertion rod 207, which is inserted into the first positioning insertion hole 403, is slidably fitted through the top of the first base plate 206. A first bottom ring 208 is fixed to the periphery of the first insertion rod 207. A first spring 209, which is sleeved on the first insertion rod 207, is fixed between the first bottom ring 208 and the first base plate 206. A first rocker plate 2, which is in contact with the first insertion rod 207, is fixed to one side of the first pressure plate 205. 10; The second frame component 3 includes a second frame 301. Two symmetrical second grooves 302 are provided on one side of the second frame 301. A second internally threaded cylinder 303 is fixed inside the second groove 302. A second screw 304 is threaded inside the second internally threaded cylinder 303. A second pressure plate 305 that is in contact with the second screw 304 is rotatably fitted on the inner wall of the second groove 302 through a rotating shaft. A second base plate 306 is fixed on the outer peripheral side of the inner wall of the second groove 302 away from the second internally threaded cylinder 303. A second insertion rod 307 that is inserted into the second positioning insertion hole 404 is slidably fitted through the top of the second base plate 306. A second bottom ring 308 is fixed on the peripheral side of the second insertion rod 307. A second spring 309 that is sleeved on the second insertion rod 307 is fixed between the second bottom ring 308 and the second base plate 306. A second rocker plate 310 that is in contact with the second insertion rod 307 is fixed on one side of the second pressure plate 305.

[0042] The operation process of the embodiment is as follows: after the L-shaped right-angle frame 401 is slidably connected to the corners of the first frame 201 and the second frame 301 arranged perpendicularly to each other, first, by rotating the first screw 204 threadedly connected in the first inner threaded cylinder 203, the first screw 204 is driven to move in the first inner threaded cylinder 203 to approach the first pressing plate 205, a downward pressure is generated on the first pressing plate 205 rotatably fitted in the first groove 202, the first lifting plate 210 fixed on the side surface of the first pressing plate 205 is driven to lift, the first spring 209 connected and fixed between the first bottom ring 208 and the first bottom plate 206 is gradually compressed, the first inserting rod 207 is driven to slowly move upward on the first bottom plate 206 through the mutual sliding contact between the first lifting plate 210 and the first inserting rod 207, and finally the top of the first inserting rod 207 is inserted and fitted into the first positioning insertion hole 403, so that the rectangular frame composed of the first frame 2 and the second frame 3 arranged opposite to each other is positioned and locked after being spliced, the original integral mounting mode is replaced, the folding of the edge position of the flow battery membrane body 1 caused by the integral mounting mode of the external frame is avoided, and the staff can conveniently assemble later.

[0043] Similarly, after the top of the first inserting rod 207 is inserted and fitted into the first positioning insertion hole 403, by rotating the second screw 304 threadedly connected in the second inner threaded cylinder 303, the second screw 304 is driven to move in the second inner threaded cylinder 303 to approach the second pressing plate 305, a downward pressure is generated on the second pressing plate 305 rotatably fitted in the second groove 302, the second lifting plate 310 fixed on the side surface of the second pressing plate 305 is driven to lift, the second spring 309 connected and fixed between the second bottom ring 308 and the second bottom plate 306 is gradually compressed, the second inserting rod 307 is driven to slowly move upward on the second bottom plate 306 through the mutual sliding contact between the second lifting plate 310 and the second inserting rod 307, and finally the top of the second inserting rod 307 is inserted and fitted into the second positioning insertion hole 404, so that the rectangular frame composed of the first frame 2 and the second frame 3 arranged opposite to each other is positioned and locked after being spliced, the original integral mounting mode is replaced, the folding of the edge position of the flow battery membrane body 1 caused by the integral mounting mode of the external frame is avoided, and the staff can conveniently assemble later.

[0044] Specific embodiment two, please refer to Figures 1-10On the basis of the specific embodiment one, the L-shaped right-angle frame 401 is fixed with anti-deviation plug plates 405 on the inner surfaces of the upper and lower surfaces; the first frame 201 is provided with two symmetrical anti-deviation plug slots 211 on the upper and lower surfaces, and the anti-deviation plug slots 211 are in sliding cooperation with the anti-deviation plug plates 405; the second frame 301 is fixed with T-shaped rails 311 on the opposite sides; the first frame 201 is provided with T-shaped slots 212 on the opposite sides, which are in sliding cooperation with the T-shaped rails 311; the first frame 201 is provided with a first plug slot 213 on the opposite side; the second frame 301 is provided with a second plug slot 312 on the opposite side; the opposite surfaces of the two L-shaped cover plates 402 are provided with L-shaped embedded slots 406; the flow battery membrane body 1 comprises a flow battery membrane 101 which is plugged and cooperated between the first plug slot 213 and the second plug slot 312, and the flow battery membrane 101 is attached with rectangular frame sealing gaskets 102 on the upper and lower surfaces, and the rectangular frame sealing gaskets 102 are fixed with rectangular frame leakage-proof sealing plates 103 which are clamped and cooperated in the L-shaped embedded slots 406.

[0045] The operation process of the embodiment is as follows: in the process of combination and installation, the adjacent first frame 201 and the second frame 301 are mutually spliced, and the T-shaped rail 311 and the T-shaped slot 212 are transversely inserted and slid (the T-shaped slot 212 is transversely provided on the opposite sides of the first frame 201, and Figure 3 As can be seen), the combination and splicing between the adjacent first frame 201 and the second frame 301 are completed, so as to form a rectangular sealing frame in the later period. Through the plug and cooperation between the flow battery membrane 101 in the flow battery membrane body 1 and the first plug slot 213 and the second plug slot 312, the flow battery membrane body 1 is positioned and fixed in the rectangular frame composed of the first frame 201 and the second frame 301 which are respectively arranged opposite to each other. Then, through the close attachment between the two rectangular frame sealing gaskets 102 and the upper and lower surfaces of the flow battery membrane body 1, a preliminary sealing effect is achieved. In the later period, the rectangular frame leakage-proof sealing plate 103 fixed on the outer circumferential side of the rectangular frame sealing gasket 102 is clamped and covered in the rectangular clamping slot formed by the splicing of the several L-shaped embedded slots 406, so as to further complete the further combination and installation sealing of the flow battery membrane body 1.

[0046] In the above process, in the process of sliding and clamping the L-shaped right-angle frame 401 to the corners of the first frame 201 and the second frame 301 which are arranged perpendicular to each other, the sliding and inserting process between the anti-deviation plug slot 211 and the anti-deviation plug plate 405 ensures that the right-angle edge of the L-shaped right-angle frame 401 can be stably inserted into the corner of the first frame 201 and the second frame 301 which are spliced vertically adjacent to each other, avoiding affecting the later positioning and locking process.

[0047] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0048] The preferred embodiments of the utility model disclosed above are only used for helping to set forth the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the whole scope and equivalents thereof.

Claims

1. A membrane seal structure for a flow battery comprising a flow battery membrane body (1), characterised in that: The liquid flow battery membrane body (1) is inserted and matched with the first frame member (2) on the opposite two sides, and the liquid flow battery membrane body (1) is inserted and matched with the second frame member (3) on the other opposite two sides; The connecting piece (4) is inserted and matched between the adjacent first frame member (2) and second frame member (3); The connecting piece (4) includes an L-shaped right-angled frame (401) inserted and matched between the adjacent first frame member (2) and second frame member (3), L-shaped cover plates (402) are fixed on the upper and lower surfaces of the L-shaped right-angled frame (401), a first positioning insertion hole (403) is formed through one outer side surface of the L-shaped right-angled frame (401) and is inserted and matched with the first frame member (2), and a second positioning insertion hole (404) is formed through the other outer side surface of the L-shaped right-angled frame (401) and is inserted and matched with the second frame member (3).

2. The membrane seal structure of a flow battery of claim 1, wherein, The first frame member (2) includes a first frame (201), two first grooves (202) are formed symmetrically on one side of the first frame (201), a first internal threaded cylinder (203) is fixed in the first groove (202), and a first screw (204) is threadedly connected in the first internal threaded cylinder (203). The first groove (202) is rotatably connected with the first screw (204) through a rotating shaft.

3. The membrane seal structure of a flow battery of claim 2, wherein, A first bottom plate (206) is fixed to the inner wall of the first groove (202) away from the outer peripheral side surface of the first internal threaded cylinder (203), and a first insertion rod (207) is inserted and matched with the first positioning insertion hole (403) through the top of the first bottom plate (206). A first bottom ring (208) is fixed to the peripheral side surface of the first insertion rod (207), a first spring (209) is fixed to the first insertion rod (207) through sleeving between the first bottom ring (208) and the first bottom plate (206), and a first flapping plate (210) is fixed to one side of the first pressing plate (205) and is in close contact with the first insertion rod (207).

4. The membrane seal structure of a flow battery of claim 3, wherein, The second frame member (3) includes a second frame (301), two second grooves (302) are formed symmetrically on one side of the second frame (301), a second internal threaded cylinder (303) is fixed in the second groove (302), and a second screw (304) is threadedly connected in the second internal threaded cylinder (303). The second groove (302) is rotatably connected with the second screw (304) through a rotating shaft.

5. The membrane seal structure of a flow battery of claim 4, wherein, A second bottom plate (306) is fixed to the inner wall of the second groove (302) away from the outer peripheral side surface of the second internal threaded cylinder (303), and a second insertion rod (307) is inserted and matched with the second positioning insertion hole (404) through the top of the second bottom plate (306). The second inserting rod (307) is fixed with a second bottom ring (308) on the lateral surface, a second spring (309) is fixed between the second bottom ring (308) and the second bottom plate (306) and is sleeved on the second inserting rod (307), and the second pressing plate (305) is fixed with a second warped plate (310) on one side and is mutually attached to the second inserting rod (307).

6. The membrane seal structure of a flow battery of claim 5, wherein, The L-shaped right-angle frame (401) is fixed with anti-deviation inserting plates (405) on the inner surfaces of the upper and lower surfaces; The first frame (201) is provided with two symmetrical anti-deviation inserting grooves (211) on the upper and lower surfaces, and the anti-deviation inserting grooves (211) are in sliding fit with the anti-deviation inserting plates (405); The second frame (301) is fixed with T-shaped rails (311) on the opposite two side surfaces; The first frame (201) is provided with T-shaped grooves (212) on the opposite two side surfaces and in sliding fit with the T-shaped rails (311).

7. The membrane seal structure of a flow battery of claim 6, wherein, The first frame (201) is provided with a first inserting groove (213) on the opposite other side surface; The second frame (301) is provided with a second inserting groove (312) on the opposite other side surface; The opposite surfaces of the two L-shaped cover plates (402) are provided with L-shaped embedded grooves (406); The liquid flow battery film body (1) comprises a liquid flow battery film (101) which is in inserting fit between the first inserting groove (213) and the second inserting groove (312), the upper and lower surfaces of the liquid flow battery film (101) are attached with rectangular frame sealing gaskets (102), and the outer circumferential surface of the rectangular frame sealing gasket (102) is fixed with a rectangular frame leakage-proof sealing plate (103) which is in clamping fit in the L-shaped embedded groove (406).

Images