Packaging device of all-vanadium redox flow battery

Abstract

The utility model discloses an all-vanadium redox flow battery packaging device, which comprises a pair of end plates, a pair of collector plates and a plurality of single battery packs, the plurality of single battery packs are closely arranged in a linear array, the pair of collector plates are symmetrically arranged on two sides of the plurality of single battery packs, and the pair of end plates are oppositely arranged on two sides of the pair of collector plates. Semi-closed packaging assemblies are arranged on the pair of end plates, and the pair of end plates are connected through a plurality of pairs of pull rod pieces; the utility model relates to the technical field of redox flow battery packaging, in particular to a packaging device of an all-vanadium redox flow battery, which aims to overcome the defect that the packaging of the all-vanadium redox flow battery is only protected by an end plate at the present stage and forms an outer sheath which is relatively slidably inserted by taking the end plate as a support basis, and the outer sheath covers the outside of a single battery pack when being closed. The single battery pack is packaged and protected in all directions, the external frame of the single battery pack of the flow battery is prevented from being damaged, the outer sheath can be quickly separated, the inside is convenient to overhaul, replace and replace, the structure is simple, and the operation is convenient.

Description

Technical Field

[0001] This utility model relates to the field of flow battery packaging technology, specifically a packaging device for a vanadium redox flow battery. Background Technology

[0002] In modern vanadium redox flow battery structures, the stack is the core component of the flow battery. At present, the stack mainly consists of end plates, current collectors, and multiple single cell packs. In current applications, the external protection of vanadium redox flow batteries is mainly provided by the end plates and the outer frame of the bipolar plates in the single cell packs.

[0003] The external packaging protection of the aforementioned vanadium redox flow battery only protects the end plates and the outer frame of the individual battery packs. The gaps between the individual battery packs are mainly sealed by compression. However, during use, this structure only provides sufficient structural strength at the point where the screws pass through, and the outside of the individual battery packs cannot be effectively protected, which easily leads to dust accumulation and damage from external forces. In view of this, in-depth research was conducted on the above problems, which led to this case. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a packaging device for vanadium redox flow batteries, thus solving the problems in the prior art.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a packaging device for a vanadium redox flow battery, comprising a pair of end plates, a pair of current collectors, and a plurality of single battery packs, wherein the plurality of single battery packs are arranged in a linear array and the pair of current collectors are symmetrically arranged on both sides of the plurality of single battery packs, the pair of end plates are arranged opposite to each other on both sides of the pair of current collectors, a semi-enclosed packaging component is provided on the pair of end plates, and the pair of end plates are connected by a plurality of pull rods.

[0006] The semi-enclosed packaging assembly includes several pairs of guide rail grooves. Several pairs of guide rail grooves are formed on the outer peripheral wall of one pair of end plates. A pair of sliding sleeves are fitted over the one pair of end plates. Several pairs of guide blocks are provided inside the one pair of sliding sleeves. Several pairs of guide blocks are assembled on several pairs of guide rail grooves.

[0007] A pair of sliding sleeves is a pair of rectangular shell plates. At the four corners of the opposite ends of the pair of sliding sleeves, there are two pairs of matching insert rods and two pairs of slots. The insert rods are inserted into the slots, and the ends of the insert rods are provided with slots. The slots are provided with tenons that are engaged in the slots.

[0008] Two pairs of ventilation slots are provided on the two side walls of the pair of sliding sleeves, and a pair of observation windows are provided on the pair of sliding sleeves.

[0009] Preferably, the guide rail groove is T-shaped in section, and the guide block is also T-shaped in section and matched with the guide rail groove.

[0010] Preferably, the end plate is provided with at least one pair of limiting grooves on the outer side, and the tail end of the sliding sleeve extends out a pair of limiting plates matched with the pair of limiting grooves.

[0011] Preferably, the inner sides of the two pairs of ventilation grooves are provided with two pairs of filter screens, and the opposite edges of the pair of observation windows are in contact with each other.

[0012] Preferably, the clamping tenon is an elastic clamping tenon, the head end of the clamping tenon is a semicircular spherical structure, and the clamping groove is an arc-deficient spherical groove corresponding to the position of the clamping tenon.

[0013] Beneficial effects

[0014] The utility model provides a kind of packaging device of full vanadium flow battery.It has the following beneficial effects: the packaging device of full vanadium flow battery, in view of the shortcoming that the packaging of present stage full vanadium flow battery is only protected by end plate, end plate is supported to form the outer sheath of relative sliding insertion, the outer sheath is when closing, the outside of single battery group is covered, single battery group is packaged and protected in all directions, avoid the single battery group outside frame of flow battery to be damaged, while outer sheath can be quickly separated, it is convenient to overhaul and replace inside, simple structure, convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the expanded state three-dimensional structure schematic diagram of the packaging device of full vanadium flow battery described in the utility model.

[0016] Fig. 2 It is the three-dimensional partial sectional structure schematic diagram of the packaging device of full vanadium flow battery described in the utility model.

[0017] Fig. 3 It is the structure schematic diagram of the packaging device of full vanadium flow battery described in the utility model in the state of being gathered.

[0018] In the drawing: 1, end plate;2, current collector plate;3, single battery group;4, guide rail groove;5, sliding sleeve;6, guide block;7, insertion rod;8, insertion groove;9, clamping groove;10, clamping tenon;11, ventilation groove;12, observation window;13, limiting groove;14, limiting plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0020] Please refer to Figs. 1-3 The present application provides an implementation scheme: in the application process of modern all-vanadium redox flow battery, the end plate 1 is usually used as a packaging clamp to wrap the plurality of single battery groups 3 in the middle. However, the protection structure is limited to the frame of the single battery group 3 itself, but the frame is relatively thin and cannot effectively cope with external impact and is easy to fall dust during operation, affecting the conductivity of the equipment.

[0021] According to the description attached Figs. 1-3 It can be known that, in view of the above problems, the present application discloses a packaging device for all-vanadium redox flow battery. The stack structure of the all-vanadium redox flow battery is composed of a pair of end plates 1, a pair of current collecting plates 2 and a plurality of single battery groups 3. The plurality of single battery groups 3 are arranged in a linear array. The single battery group 3 is the core component for realizing recharge and discharge. The pair of current collecting plates 2 are symmetrically arranged on both sides of the plurality of single battery groups 3 and are used for integrating the electric charge of the single battery group 3 to realize connection with an external charging and discharging device. Then, the pair of end plates 1 are oppositely arranged on both sides of the pair of current collecting plates 2. The pair of end plates 1 play a role in clamping and protecting the single battery group 3 and the current collecting plate 2 in the middle. The pair of end plates 1 are connected by a plurality of pairs of pull rod members. The pair of end plates 1 are provided with a semi-closed packaging assembly. The single battery group 3 of the flow battery stack is packaged and protected by the semi-closed packaging assembly.

[0022] Specifically, according to the description attached Figs. 1-3 It can be known that the semi-closed packaging assembly includes a plurality of pairs of guide rail grooves 4. A plurality of pairs of guide rail grooves 4 are formed on the outer peripheral wall surface of the pair of end plates 1. A pair of sliding sleeves 5 is sleeved on the pair of end plates 1. A plurality of pairs of guide blocks 6 are arranged in the pair of sliding sleeves 5. The plurality of pairs of guide blocks 6 are assembled on the plurality of pairs of guide rail grooves 4.

[0023] The pair of sliding sleeves 5 are wrapped on the pair of end plates 1. The limiting installation of the sliding sleeve 5 is realized by matching the guide rail groove 4 and the guide block 6. The guide rail groove 4 and the guide block 6 guide the sliding sleeve 5 at the same time. The sliding sleeve 5 can only slide in the direction of the guide rail groove 4. The sliding sleeve 5 wraps the end plate 1 and protects the single battery group 3 at the same time. Then, the pair of sliding sleeves 5 are a pair of rectangular shell plates, which are used as an extension protection sleeve of the end plate 1 and are arranged outside the single battery group 3.

[0024] Further, two pairs of matching insertion rods 7 and two pairs of insertion slots 8 are arranged at the opposite ends of the pair of sliding sleeves 5, the insertion rods 7 are inserted into the insertion slots 8, the ends of the insertion rods 7 are provided with clamping grooves 9, and the insertion slots 8 are provided with clamping tenons 10 clamped in the clamping grooves 9. In the specific implementation process, the pair of sliding sleeves 5 are relatively inserted by inserting the insertion rods 7 into the insertion slots 8, so as to realize that the pair of sliding sleeves 5 and the pair of end plates 1 form a rectangular structure shell, and then the clamping grooves 9 on the insertion rods 7 are matched with the clamping tenons 10 to realize the axial limiting of the insertion rods 7, so that the outer protective sleeve is combined more tightly. When disassembly and maintenance are needed, the outer protective sleeve is directly pulled apart to the two sides, so that the clamping tenon 10 releases the limiting of the clamping groove 9, which is convenient to operate.

[0025] In order to improve the ventilation performance of the equipment, two pairs of ventilation slots 11 are arranged on the two side walls of the pair of sliding sleeves 5, and a pair of observation windows 12 are arranged on the pair of sliding sleeves 5. The working state of the single battery group 3 in the sliding sleeve 5 can be observed through the observation window 12.

[0026] As a preferred scheme, further, the cross section of the guide rail slot 4 is T-shaped, the cross section of the guide block 6 is also T-shaped and matched with the guide rail slot 4, and the structure is similar to the matching effect of dovetail groove and dovetail block, so as to improve the matching precision of the outer protective sleeve and the end plate 1.

[0027] As a preferred scheme, further, at least one pair of limiting grooves 13 is arranged on the outer side of the end plate 1, and a pair of limiting plates 14 extending from the tail end of the sliding sleeve 5 are matched with the pair of limiting grooves 13, so as to avoid that the sliding sleeve 5 moves out of position.

[0028] As a preferred scheme, further, two pairs of filter screens are arranged in the two pairs of ventilation slots 11, and the opposite edges of the pair of observation windows 12 are in contact with each other, so that the filter screens prevent external dust from entering one side of the single battery group 3 and play a dustproof role.

[0029] As a preferred scheme, further, the clamping tenon 10 is a flexible clamping tenon 10, the head end of the clamping tenon 10 is a semicircular spherical structure, and the clamping groove 9 is an arc-shaped recess corresponding to the position of the clamping tenon 10.

[0030] As can be known from the above, the packaging device of the all-vanadium redox flow battery is provided with the end plate 1 as a support basis to form the outer protective sleeve relatively sliding and inserted, the outer protective sleeve covers the outside of the single battery group 3 when closed, and the single battery group 3 is packaged and protected in all directions, so as to avoid that the external frame of the single battery group 3 of the flow battery is damaged. Meanwhile, the outer protective sleeve can be quickly separated, the inside is convenient to maintain and replace, the structure is simple, and the operation is convenient.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A packaging device of a vanadium redox flow battery, comprising a pair of end plates (1), a pair of current collecting plates (2) and a plurality of single cell groups (3), the plurality of single cell groups (3) are arranged in a linear array, the pair of current collecting plates (2) are symmetrically arranged on both sides of the plurality of single cell groups (3), and a pair of the end plates (1) are oppositely arranged on both sides of the pair of current collecting plates (2), characterized in that, A pair of end plates (1) are provided with a semi-enclosed packaging assembly, and a pair of pull rod members are connected between the pair of end plates (1); The semi-enclosed packaging assembly comprises a plurality of pairs of guide rail grooves (4), a plurality of pairs of guide rail grooves (4) are formed on the outer peripheral wall surfaces of the pair of end plates (1), a pair of sliding sleeves (5) are sleeved on the pair of end plates (1), a plurality of pairs of guide blocks (6) are arranged in the pair of sliding sleeves (5), and the plurality of pairs of guide blocks (6) are assembled on the plurality of pairs of guide rail grooves (4); The pair of sliding sleeves (5) are a pair of rectangular shell plate blocks, two pairs of matching insertion rods (7) and two pairs of insertion grooves (8) are arranged at the opposite ends of the pair of sliding sleeves (5), the insertion rods (7) are inserted into the insertion grooves (8), end portions of the insertion rods (7) are provided with clamping grooves (9), and the insertion grooves (8) are provided with clamping tenons (10) clamped in the clamping grooves (9). Two pairs of ventilation grooves (11) are arranged on the side wall surfaces of the pair of sliding sleeves (5), and a pair of observation windows (12) are arranged on the pair of sliding sleeves (5).

2. A packaging device for a vanadium redox flow battery according to claim 1, characterized in that, The cross section of the guide rail groove (4) is T-shaped, and the cross section of the guide block (6) is also T-shaped and matched with the guide rail groove (4).

3. A packaging device for a vanadium redox flow battery according to claim 2, characterised in that, At least one pair of limiting grooves (13) are arranged on the outer side of the end plate (1), tail ends of the sliding sleeves (5) extend a pair of limiting plates (14) matched with the pair of limiting grooves (13).

4. A packaging device for a vanadium redox flow battery according to claim 3, wherein, Two pairs of filter screens are arranged in the two pairs of ventilation grooves (11), and opposite edges of the pair of observation windows (12) are in contact with each other.

5. The packaging device of the all-vanadium redox flow battery according to claim 4, characterized in that, The clamping tenon (10) is an elastic clamping tenon (10), and a head end of the clamping tenon (10) is a semicircular spherical structure, The clamping groove (9) is an arcuate spherical structure groove and is in position correspondence with the clamping tenon (10).

Images