CN212011111U

CN212011111U - Energy storage high-voltage parallel structure

Info

Publication number: CN212011111U
Application number: CN202020413703.8U
Authority: CN
Inventors: 何宏亮; 李坚; 王雪扬; 黄伟鸣
Original assignee: Anhui Woboyuan Technology Co ltd
Current assignee: Anhui Woboyuan Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-24
Anticipated expiration: 2030-03-25

Abstract

The utility model provides an energy storage high-voltage parallel structure, which comprises a plurality of battery clusters arranged side by side and a connecting component for electrically connecting the battery clusters; each battery cluster comprises a confluence post and a plurality of battery boxes connected to the confluence post; the connecting assembly comprises a plurality of bus bar assemblies which are arranged side by side, and each bus bar assembly corresponds to and is connected with one bus bar; each bus bar assembly includes a positive bus bar and a negative bus bar, the positive bus bars of the plurality of bus bar assemblies being electrically connected to each other, and the negative bus bars of the plurality of bus bar assemblies being electrically connected to each other. The utility model provides an energy storage high pressure parallel structure, the structure is clear, the modularization degree is high and safe and reliable.

Description

Energy storage high-voltage parallel structure

[ technical field ] A method for producing a semiconductor device

The utility model relates to a power battery technical field especially relates to an energy storage high pressure parallel structure.

[ background of the invention ]

Along with the further promotion of battery technology, battery cost continues to descend, and the market permeability of lithium cell in the energy storage field will promote gradually, further promotes the lithium electricity energy storage market scale and increases. Because large-scale energy storage is usually packaged in closed narrow spaces such as containers, the large-scale energy storage puts higher requirements on the compactness, the safety, the modularization, the functionalization and the serialization of the whole structure of the module.

In the large-scale energy storage application of the lithium battery, batteries are connected in series/parallel to form a battery module, the battery module is connected in parallel to form a battery pack, the battery pack is connected in parallel to form a battery cluster, and the battery cluster is connected in parallel to form an energy storage system. The parallel structure of the existing large energy storage structure usually adopts copper wires to be connected in parallel, and the wire ends are messy and various, so that the modular management and maintenance are not facilitated.

In view of the above, it is desirable to provide a new energy storage high voltage parallel structure to overcome the above-mentioned drawbacks.

[ Utility model ] content

The utility model aims at providing a structure is clear, the high and safe and reliable's of modularization energy storage high pressure parallel structure.

In order to achieve the above object, the present invention provides an energy storage high voltage parallel structure, which comprises a plurality of battery clusters arranged side by side and a connecting assembly for electrically connecting the plurality of battery clusters; each battery cluster comprises a confluence post and a plurality of battery boxes connected to the confluence post; the connecting assembly comprises a plurality of bus bar assemblies which are arranged side by side, and each bus bar assembly corresponds to and is connected with one bus bar; each bus bar assembly includes a positive bus bar and a negative bus bar, the positive bus bars of the plurality of bus bar assemblies being electrically connected to each other, and the negative bus bars of the plurality of bus bar assemblies being electrically connected to each other.

In a preferred embodiment, each bus bar comprises a support post and two bus bar assemblies housed within the support post; each bus bar component comprises an anode bus bar and a cathode bus bar, the anode bus bar of each bus bar component is electrically connected with the anode bus bar of the corresponding bus bar component, and the cathode bus bar of each bus bar component is electrically connected with the cathode bus bar of the corresponding bus bar component.

In a preferred embodiment, the plurality of battery boxes of each battery cluster are divided into two groups of battery boxes with the same number, and each group of battery boxes is electrically connected with one bus bar assembly of the corresponding bus bar respectively.

In a preferred embodiment, the energy-storing high-voltage parallel structure further includes a plurality of fuses respectively disposed between the positive bus plate of each bus plate assembly and the positive bus bar of the corresponding bus plate assembly, and between the negative bus plate of each bus plate assembly and the negative bus bar of the corresponding bus plate assembly.

In a preferred embodiment, each busbar assembly further comprises a plurality of plate clips for fixing the positive busbar and the negative busbar, the plate clips being of an insulating material.

In a preferred embodiment, the plurality of busbar assemblies are sequentially increasing in length.

In a preferred embodiment, the material of the support column is an insulating material.

In a preferred embodiment, the positive electrode bus bar and the negative electrode bus bar are made of copper.

In a preferred embodiment, the positive bus bar and the negative bus bar are provided with a plurality of jointing clamps, the jointing clamp of the positive bus bar is used for fixing a positive wire led out from the battery box, and the jointing clamp of the negative bus bar is used for fixing a negative wire led out from the battery box.

The energy storage high-voltage parallel structure provided by the utility model realizes the modular connection of the battery pack and the bus bar component by electrically connecting each battery cluster and one bus bar component; and a fuse is arranged between each battery cluster and the busbar assembly, so that the safety of the energy storage high-voltage parallel structure is improved. The utility model provides an energy storage high pressure parallel structure, the structure is clear, the modularization degree is high and safe and reliable.

[ description of the drawings ]

Fig. 1 is a perspective view of the energy storage high-voltage parallel structure part structure provided by the utility model.

Fig. 2 is a front view of the energy storage high voltage parallel configuration shown in fig. 1.

Fig. 3 is a partially enlarged view of the area a shown in fig. 2.

Fig. 4 is a top view of the energy storage high voltage parallel configuration shown in fig. 1.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.

Referring to fig. 1, 2 and 4, the present invention provides an energy storage high voltage parallel structure 100, which includes a plurality of battery clusters 10 arranged side by side and a connecting assembly 20 electrically connecting the plurality of battery clusters 10. Each battery cluster 10 includes a manifold post 11 and a plurality of battery boxes 12 connected to the manifold post 11.

The connecting assembly 20 includes a plurality of bus bar assemblies 21 arranged side by side, and each bus bar assembly 21 corresponds to and is connected to one bus bar 11. Each bus bar assembly 21 comprises a positive bus bar 211 and a negative bus bar 212, the positive bus bars 211 of the plurality of bus bar assemblies 21 are electrically connected with each other, and the negative bus bars 212 of the plurality of bus bar assemblies 21 are electrically connected with each other, so that the plurality of battery clusters 10 are connected in parallel and form an energy storage system.

Referring to fig. 3, in the present embodiment, each manifold post 11 includes a support post 111 and two manifold assemblies 112 received in the support post 111. Each bus bar assembly 112 includes a positive bus bar 1121 and a negative bus bar 1122, the positive bus bar 1121 of each bus bar assembly 112 is electrically connected to the positive bus bar 211 of the corresponding bus bar assembly 21, and the negative bus bar 1122 of each bus bar assembly 112 is electrically connected to the negative bus bar 212 of the corresponding bus bar assembly 21, so that the bus bar 11 is electrically connected to the corresponding bus bar assembly 112 in a modular manner. In this embodiment, the supporting pillars 111 are made of an insulating material, and are used to support and fix the bus bar assembly 112, and to separate the positive bus bar 1121 from the negative bus bar 1122.

In the present embodiment, the plurality of battery boxes 12 of each battery cluster 10 are divided into two groups of battery boxes 12 having the same number, and each group of battery boxes 12 is electrically connected to one bus bar assembly 112 corresponding to the bus bar 11. The two groups of battery boxes 12 are respectively arranged on two sides of the confluence post 11 and electrically connected with the corresponding confluence plate assemblies 112, so that space is saved, and the structure is clear.

The energy-storing high-voltage parallel structure 100 further includes a plurality of fuses 30, and the plurality of fuses 30 are respectively disposed between the positive bus plate 1121 of each bus plate assembly 112 and the positive bus bar 211 of the corresponding bus plate assembly 21, and between the negative bus plate 1122 of each bus plate assembly 112 and the negative bus bar 212 of the corresponding bus plate assembly 21. The fuse 30 is arranged, so that the energy storage high-voltage parallel structure 100 is safe and reliable.

In this embodiment, each bus bar assembly 21 further includes a plurality of plate clips 213 for fixing the positive bus bar 211 and the negative bus bar 212, and the plate clips 213 are made of an insulating material. The plate clamp 213 is used to fix the positive bus bar 211 and the negative bus bar 212, and keep the positive bus bar 211 and the negative bus bar 212 at a proper interval, so as to ensure the safety and reliability of the bus bar assembly 21.

In the present embodiment, the lengths of the plurality of busbar assemblies 21 are sequentially increased. So that the corresponding battery cluster 10 of each busbar assembly 21 is clear and easy to identify.

The positive bus bar 211 and the negative bus bar 212 are made of copper, so as to improve the conductivity of the bus bar assembly 21; the positive bus bar 1121 and the negative bus bar 1122 are made of copper, and are used for improving the conductivity of the bus bar assembly 112.

The positive bus bar 1121 and the negative bus bar 1122 are provided with a plurality of jointing clamps 1123, the jointing clamps 1123 of the positive bus bar 1121 are used for fixing positive wires led out from the battery box 12, and the jointing clamps 1123 of the negative bus bar 1122 are used for fixing negative wires led out from the battery box 12, so that the positive wires of the battery box 12 and the positive bus bar 1121 as well as the negative wires of the battery box 12 and the negative bus bar 1122 can be conveniently connected and fixed.

The utility model provides an energy storage high pressure parallel structure 100, through every battery cluster 10 with a busbar subassembly 21 electricity is connected, realize the group battery 10 with the modularization of busbar subassembly 21 is connected; a fuse 30 is arranged between each battery cluster 10 and the busbar assembly 21, so that the safety of the energy storage high-voltage parallel structure 100 is improved. The utility model provides an energy storage high pressure parallel structure 100, the structure is clear, the modularization degree is high and safe and reliable.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. An energy storage high pressure parallel structure which characterized in that: the battery pack comprises a plurality of battery clusters arranged side by side and a connecting component for electrically connecting the battery clusters; each battery cluster comprises a confluence post and a plurality of battery boxes connected to the confluence post; the connecting assembly comprises a plurality of bus bar assemblies which are arranged side by side, and each bus bar assembly corresponds to and is connected with one bus bar; each bus bar assembly includes a positive bus bar and a negative bus bar, the positive bus bars of the plurality of bus bar assemblies being electrically connected to each other, and the negative bus bars of the plurality of bus bar assemblies being electrically connected to each other.

2. The energy-storing high-voltage parallel structure according to claim 1, wherein: each confluence post comprises a support post and two confluence plate assemblies accommodated in the support post; each bus bar component comprises an anode bus bar and a cathode bus bar, the anode bus bar of each bus bar component is electrically connected with the anode bus bar of the corresponding bus bar component, and the cathode bus bar of each bus bar component is electrically connected with the cathode bus bar of the corresponding bus bar component.

3. The energy-storing high-voltage parallel structure according to claim 2, wherein: a plurality of battery boxes of each battery cluster are divided into two groups of battery boxes with equal number, and each group of battery boxes is electrically connected with a bus bar component of the corresponding bus bar respectively.

4. The energy-storing high-voltage parallel structure according to claim 2, wherein: the fuse wire assembly is characterized by further comprising a plurality of fuses, wherein the fuses are respectively arranged between the positive bus plate of each bus plate assembly and the positive bus bar of the corresponding bus plate assembly and between the negative bus plate of each bus plate assembly and the negative bus bar of the corresponding bus plate assembly.

5. The energy-storing high-voltage parallel structure according to claim 1, wherein: each busbar assembly further comprises a plurality of plate clips for fixing the positive busbar and the negative busbar, the plate clips being of an insulating material.

6. The energy-storing high-voltage parallel structure according to claim 1, wherein: the lengths of the plurality of busbar assemblies are sequentially increased.

7. The energy-storing high-voltage parallel structure according to claim 2, wherein: the support column is made of an insulating material.

8. The energy-storing high-voltage parallel structure according to claim 1, wherein: the positive bus bar and the negative bus bar are made of copper.

9. The energy-storing high-voltage parallel structure according to claim 2, wherein: the positive pole cylinder manifold with the material of negative pole cylinder manifold is copper.

10. The energy-storing high-voltage parallel structure according to claim 2, wherein: the positive pole cylinder manifold with the negative pole cylinder manifold is provided with a plurality of binding clips, the binding clip of positive pole cylinder manifold is used for fixing certainly the positive pole line that the battery box was drawn forth, the binding clip of negative pole cylinder manifold is used for fixing certainly the negative pole line that the battery box was drawn forth.