Acquisition-free wire harness universal module for DPS energy storage

By adopting a no-acquisition wiring harness design in the DPS battery module, using the combination of battery cells, plastic brackets and acquisition PCB boards, the complex problem of acquisition line design is solved, and the universality and reliability of the module is improved, reducing the Manufacturing cost and failure rate.

CN222261285UActive Publication Date: 2024-12-27HUIZHOU EPOWER ELECTRONICS
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Patent Information

Application Number
CN202323651010.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-30
Publication Date
2024-12-27
Estimated Expiration
2033-12-30

AI Technical Summary

Technical Problem

Due to the large number of battery strings and the complex design of the acquisition line, the existing DPS battery modules are difficult to achieve automated production, which increases manufacturing cost and failure rate, and the interior of the battery box is not beautiful.

Method used

Adopting a universal module design without acquisition wiring harness, the series connection of the battery cell is realized through the combination of the battery cell, the plastic bracket, the acquisition PCB board and the nickel sheet, instead of the traditional acquisition wiring connection, simplifying the line layout, improving the compatibility of the module and reliability.

Benefits of technology

It reduces the manufacturing cost and failure rate of the module, improves the reliability and aesthetics of the product, and achieves rapid compatibility and flexible matching of different battery boxes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an acquisition-free wire harness universal module for DPS energy storage, which comprises a battery cell, plastic brackets are clamped on two sides of the battery cell, one end of each plastic bracket is connected with an acquisition PCB in a clamping manner, one end of each plastic bracket is fixedly connected with an adapter PCB, flat cables are arranged on two sides of the adapter PCB, and the flat cables are connected with the acquisition PCB in a clamping manner. A plurality of nickel sheets are clamped between the plastic support and the acquisition PCB, each nickel sheet comprises an electrifying part, and the upper side and the lower side of one end of each electrifying part are fixedly connected with clamping parts. According to the utility model, the plurality of through holes and the plurality of cylindrical groove parts are arranged in a one-to-one alignment manner, so that the electrifying part connected with one side of the main board is contacted with the surfaces of the battery cells through the through holes and the connecting hole parts, the series connection of each battery cell is realized, and the assembly of the whole collection PCB and the plastic bracket replaces the existing collection wire connection; and the increase of failure points caused by the use of a large number of acquisition lines is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of DPS battery energy storage modules, in particular to a universal module without a collection harness for DPS energy storage. Background Art

[0002] DPS is composed of multiple small energy storage devices. Each device also contains a battery pack, an intelligent controller and an inverter connected to the power grid to form a battery module. DPS can store electricity generated by the power grid and renewable energy and release it to supply power when needed.

[0003] The battery boxes in existing battery packs are all of standard size, and the modules are basically customized according to different battery box sizes, resulting in the need to design modules in many sizes, which are difficult to be compatible with universal modules. Also, due to the large number of battery strings, many collection lines will be designed, and one collection line must be welded to each battery cell during manufacturing. Manufacturing cannot be automated, and many failure points are added, which makes its manufacturing cost high, the interior of the battery box is not beautiful, and the failure rate is also high. Therefore, in order to solve the above problems, we proposed a universal module without collection harness for DPS energy storage. Utility Model Content

[0004] The purpose of the utility model is to provide a universal module without a collection harness for DPS energy storage, so as to solve the problems proposed in the above background technology that there are many battery strings, many collection wires will be designed, one collection wire must be welded to each battery cell during manufacturing, the manufacturing cannot realize automated production, and many failure points are added, which makes its manufacturing cost high, the interior of the battery box is not beautiful, and the failure rate is also high.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a universal module without a collection harness for DPS energy storage, comprising a battery cell, both sides of the battery cell are clamped with plastic brackets, one end of the plastic bracket is clamped and connected with a collection PCB board, one end of the two plastic brackets is fixedly connected with a transfer PCB board, both sides of the transfer PCB board are provided with flat cables, a plurality of nickel sheets are clamped between the plastic bracket and the collection PCB board, the nickel sheet includes a power-carrying part, and the upper and lower sides of one end of the power-carrying part are fixedly connected with a clamping part;

[0006] The acquisition PCB board includes a main board, and a plurality of through holes are arranged transversely through the upper and lower sides of the main board, and a plurality of connection holes are arranged transversely through the middle of the main board.

[0007] Preferably, a plurality of snap-fit ​​waist holes are formed through the end surface of the mainboard, and the snap-fit ​​waist holes are plug-connected with the snap-fit ​​portion at one end of the power-carrying portion.

[0008] Preferably, the plastic bracket includes a bracket portion, a plurality of cylindrical groove portions are arranged and penetrated on the end surface of the bracket portion, a plurality of connecting hole portions are transversely arranged and fixedly connected in the middle of the end surface of the bracket portion, and clamping grooves are provided on both sides of the connecting hole portion.

[0009] Preferably, one end of the battery cell is inserted into the cylindrical groove.

[0010] Preferably, the plurality of connection holes are aligned and connected one by one with the plurality of connection hole portions, and a snap-in component is inserted into the connection hole.

[0011] Preferably, the clamping member comprises a pulling column, one end of which is fixedly connected to a plug-in column, both sides of the plug-in column are fixedly connected to plug-in blocks via spring sheets, and the plug-in blocks are clamped in the clamping grooves.

[0012] Preferably, the plurality of through holes are aligned one by one with the plurality of cylindrical grooves.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model inserts one end of the battery cell into the cylindrical groove portion, so that the integral bracket portion has a positioning effect on the battery cell. At the same time, a mainboard is fixed on one side of the bracket portion. By aligning a plurality of through holes with a plurality of cylindrical groove portions one by one, the power-on portion connected to one side of the mainboard is contacted with the surface of the battery cell through the through holes and the connection hole portion, thereby realizing the series connection of each battery cell. The assembly of the integral collection PCB board and the plastic bracket replaces the existing collection line connection, avoiding the increase of failure points caused by the use of a large number of collection lines;

[0015] 2. The utility model assembles different modules by the card assembly of plastic brackets, collection PCB boards and nickel sheets, so that they are compatible and universal in different standard battery boxes. The collection PCB boards are convenient for installation and welding, the failure rate is reduced, and the consistency of the modules is improved, thereby reducing the failure points of module applications, while reducing the manufacturing cost and improving the reliability and safety of the products;

[0016] 3. In the utility model, the overall nickel sheet is clamped on the acquisition PCB board, and the acquisition PCB board is clamped on the plastic bracket, so that one side end of the nickel sheet is in contact with the battery cell, so as to achieve fast and flexible matching of the desired module series and parallel for different battery boxes. The overall structural layout makes full use of the internal space to avoid cluttered acquisition lines. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is an overall exploded view of the utility model;

[0019] Figure 3 For this utility model Figure 1 A magnified view of the three-dimensional structure at center A;

[0020] Figure 4 This is a front view cutaway diagram of the plastic bracket and the collection PCB board connected by a snap-in component in the utility model.

[0021] In the figure: 1. battery cell; 2. plastic bracket; 201. bracket part; 202. cylindrical groove part; 203. connection hole part; 3. collection PCB board; 301. main board; 302. connection hole; 303. snap-on waist hole; 304. through hole; 4. adapter PCB board; 5. cable; 6. nickel sheet; 601. power supply part; 602. snap-on part; 7. snap-on part; 701. pull column; 702. plug-in column; 703. plug-in block; 8. snap-on slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figures 1 to 4 The utility model provides an embodiment: a universal module without a collection harness for DPS energy storage, comprising a battery cell 1, plastic brackets 2 are clamped on both sides of the battery cell 1, one end of the plastic bracket 2 is clamped and connected with a collection PCB board 3, one end of the two plastic brackets 2 is fixedly connected with a transfer PCB board 4, and both sides of the transfer PCB board 4 are provided with a flat cable 5, so that the two collection PCB boards 3 and the transfer PCB board 4 are connected through the flat cable 5, and a plurality of nickel sheets 6 are clamped between the plastic bracket 2 and the collection PCB board 3, and the nickel sheet 6 includes a power-on part 601, and the upper and lower sides of one end of the power-on part 601 are fixedly connected with a clamping part 602;

[0024] The acquisition PCB board 3 includes a main board 301, and multiple through holes 304 are arranged horizontally on both sides of the main board 301, and multiple connection holes 302 are arranged horizontally in the middle of the main board 301. Multiple snap-fit ​​waist holes 303 are arranged on the end surface of the main board 301, and the snap-fit ​​connection between the snap-fitting part 602 and the snap-fitting waist holes 303 realizes the fixation of the overall power supply part 601;

[0025] When in use, the snap-in waist hole 303 is plugged and connected with the snap-in portion 602 at one end of the power-on portion 601, so that the overall nickel sheet 6 is fixed on one side end face of the collection PCB board 3, and then the collection PCB board 3 is fixed on one side end face of the plastic bracket 2, wherein the plastic bracket 2 includes a bracket portion 201, and a plurality of cylindrical groove portions 202 are arranged and penetrated on the end face of the bracket portion 201, and a plurality of connecting holes 203 are arranged and fixedly connected in the middle of the end face of the bracket portion 201, and snap-in grooves 8 are provided on both sides of the connection hole portion 203, and one end of the above-mentioned battery cell 1 is plugged into the cylindrical groove portion 202, so that the overall bracket The part 201 has a positioning function for the battery cell 1, and the main board 301 is fixed on one side of the bracket part 201. By aligning the multiple through holes 304 with the multiple cylindrical grooves 202 one by one, the power-on part 601 connected to one side of the main board 301 can contact the surface of the battery cell 1 through the through holes 304 and the connecting hole part 203, so as to realize the series connection of each battery cell 1. The assembly of the overall collection PCB board 3 and the plastic bracket 2 replaces the existing collection line connection, avoiding the increase of failure points caused by the use of a large number of collection lines, reducing the manufacturing cost of the overall battery box, thereby reducing the failure rate of the battery box and improving the aesthetics of the battery box;

[0026] The card-mounted combination of the plastic bracket 2, the collection PCB board 3 and the nickel sheet 6 can be assembled into different modules. The 1P20S or 2P10S in these modules can be compatible with different standard battery boxes, among which the standard battery box is 2U or 4U. The collection PCB board 3 is convenient for installation and welding, the failure rate is reduced, and the consistency of the module is improved, thereby reducing the failure points of module application, while reducing the manufacturing cost and improving the reliability and safety of the product;

[0027] The whole nickel sheet 6 is clamped on the collection PCB board 3, and the collection PCB board 3 is clamped on the plastic bracket 2, so that one side end of the nickel sheet 6 is in contact with the battery cell 1, so as to achieve fast and flexible matching of the desired module series and parallel for different battery boxes, and the overall structural layout makes full use of the internal space to avoid cluttered collection lines;

[0028] The plurality of connection holes 302 are aligned and connected with the plurality of connection hole portions 203 one by one, and a card connector 7 is inserted into the connection hole 302, wherein the card connector 7 comprises a pulling column 701, one end of the pulling column 701 is fixedly connected with the plug-in column 702, and both sides of the plug-in column 702 are fixedly connected with a plug-in block 703 through a spring sheet, and the spring sheet makes the plug-in block 703 have elastic force when it is plugged into the card slot 8, wherein the plug-in block 703 is plugged into the card slot 8, and when in use, the whole card connector 7 is first plugged into the acquisition PC The connecting blocks 703 on both sides of one end of the plug-in column 702 are clamped in the clamping groove 8 in the connecting hole 302 on the B board 3. Through this arrangement, the overall clamping component 7 is clamped and connected to the collection PCB board 3 and the plastic bracket 2. When disassembling, the overall clamping component 7 needs to be pulled outward so that the connecting block 703 at one end of the plug-in column 702 can be quickly disengaged from the clamping groove 8, thereby realizing the rapid disengagement of the overall clamping component 7, and then the plastic bracket 2 and the collection PCB board 3 can be quickly disassembled.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A universal module for DPS energy storage without a collection harness, comprising a battery cell (1), characterized in that: Plastic brackets (2) are clamped on both sides of the battery cell (1), one end of the plastic bracket (2) is clamped and connected to a collection PCB board (3), one end of the two plastic brackets (2) is fixedly connected to a transfer PCB board (4), both sides of the transfer PCB board (4) are provided with flat cables (5), a plurality of nickel sheets (6) are clamped between the plastic bracket (2) and the collection PCB board (3), the nickel sheet (6) comprises a power-carrying part (601), and the upper and lower sides of one end of the power-carrying part (601) are fixedly connected to a clamping part (602); The acquisition PCB board (3) comprises a main board (301), a plurality of through holes (304) are arranged transversely through both upper and lower sides of the main board (301), and a plurality of connection holes (302) are arranged transversely through the middle of the main board (301).

2. According to claim 1, a universal module for DPS energy storage without collection harness, characterized in that: A plurality of snap-fit ​​waist holes (303) are provided through the end surface of the main board (301), and the snap-fit ​​waist holes (303) are plug-connected with the snap-fit ​​portion (602) at one end of the power-carrying portion (601).

3. According to claim 1, a universal module without collection harness for DPS energy storage is characterized in that: The plastic bracket (2) comprises a bracket portion (201), a plurality of cylindrical groove portions (202) are arranged and penetrated on the end surface of the bracket portion (201), a plurality of connecting hole portions (203) are arranged and fixedly connected transversely in the middle of the end surface of the bracket portion (201), and clamping grooves (8) are provided on both sides of the connection hole portion (203).

4. According to claim 1, a universal module for DPS energy storage without collection harness, characterized in that: One end of the battery core (1) is inserted into the cylindrical groove (202).

5. According to claim 1, a universal module without collection harness for DPS energy storage is characterized in that: The plurality of connection holes (302) are aligned and connected to the plurality of connection hole portions (203) one by one, and a clamping member (7) is inserted into the connection hole (302).

6. A universal module without collection harness for DPS energy storage according to claim 5, characterized in that: The clamping member (7) comprises a pulling column (701), one end of which is fixedly connected to a plug-in column (702), and both sides of the plug-in column (702) are fixedly connected to plug-in blocks (703) via spring sheets, and the plug-in blocks (703) are clamped in the clamping groove (8).

7. A universal module without collection harness for DPS energy storage according to claim 1, characterized in that: The plurality of through holes (304) are arranged in alignment with the plurality of cylindrical grooves (202).