Domain controller and battery pack assembly

By using plug-in connectors and a fixed structure, the problems of wiring errors and excessive time when assembling the domain controller and battery pack were solved, achieving a stable and fast electrical connection.

CN223797643UActive Publication Date: 2026-01-13ZHEJIANG GEELY HLDG GRP CO LTD +3
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Patent Information

Application Number
CN202520322139.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-01-13
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

When existing domain controllers and battery packs are assembled together, the copper busbars and cables of both are fastened with bolts, which leads to problems such as easy cable misconnection and excessive assembly time.

Method used

The design incorporates a first connector and a second connector, which achieves electrical connection between the domain controller and the battery pack through a plug-in method. Combined with fixing components and limiting structures, it ensures connection stability and alignment, avoids wiring errors, and saves assembly time.

Benefits of technology

It achieves a simple and stable electrical connection between the domain controller and the battery pack, avoiding wiring errors, saving assembly time, and improving assembly efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a domain controller and a battery pack assembly. The domain controller includes a controller body and a first connector. The controller body comprises a first connecting piece and a second connecting piece. And the first connector is fixed with the controller main body and is plugged with a second connector of the battery pack. The first connector comprises a third connecting piece and a fourth connecting piece. The first connecting piece and the third connecting piece are fixed and electrically connected; the second connecting piece is connected with the first connector in an inserted mode so as to be electrically connected with the fourth connecting piece. The first connector and the second connector are connected in an inserted mode to achieve electric connection between the controller body and the battery pack, assembling between the controller and the battery pack is facilitated, operation is easy and convenient, wiring errors can be avoided, and assembling time is saved; the first connecting piece and the third connecting piece are fixed, so that the stability of electrical connection between the first connecting piece and the third connecting piece is ensured; the second connecting piece is connected with the first connector in an inserted mode, so that assembling between the first connector and the controller body is facilitated.
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Description

Technical Field

[0001] This application relates to the field of domain controllers, and more particularly to domain controllers and battery pack assemblies. Background Technology

[0002] With the continuous development and innovation of new energy vehicle technology, the related technologies of the electric vehicle industry are also undergoing rapid updates and iterations, which significantly improves the overall performance of vehicles. Currently, when domain controllers and battery packs are assembled together, the copper busbars and cables are secured with bolts, leading to problems such as easy cable misconnection and excessively long assembly times. Utility Model Content

[0003] This application provides a domain controller and battery pack assembly, which facilitates the assembly of the domain controller and the battery pack.

[0004] This application provides a domain controller, including: a controller body and a first connector. The controller body includes a first connector and a second connector. The first connector is fixed to the controller body and is used to plug into a second connector of a battery pack to realize an electrical connection between the controller body and the battery pack. The first connector includes a third connector and a fourth connector. The first connector is fixed to the third connector and electrically connected. The second connector is plugged into the first connector to electrically connect with the fourth connector.

[0005] In some embodiments, the domain controller of this application includes a first connector fixed to the controller body. The first connector is used to plug into a second connector of the battery pack to realize the electrical connection between the controller body and the battery pack, so as to facilitate the assembly of the domain controller and the battery pack. The operation is simple and convenient, wiring errors can be avoided, and assembly time is saved. The controller body includes a first connector and a second connector. The first connector includes a third connector and a fourth connector. The first connector and the third connector are fixed and electrically connected to ensure the stability of the electrical connection between the first connector and the third connector, and can increase the stability after the first connector is fixed to the controller body. The second connector is plugged into the first connector to electrically connect with the fourth connector, so as to facilitate the assembly of the first connector and the controller body, which can avoid wiring errors and save assembly time.

[0006] Furthermore, the domain controller includes a first fixing member, the first connector having a first hole, and the third connector having a second hole. The first fixing member is assembled to the first hole and the second hole to fix the first connector and the third connector.

[0007] In some embodiments, the first connector and the third connector of this application are securely positioned.

[0008] Furthermore, the domain controller includes a nut, and the first fastener protrudes from the first hole or the second hole and is secured to the nut.

[0009] In some embodiments, the first connector and the third connector of this application are easy to assemble and easy to disassemble.

[0010] Furthermore, the first connector includes a first housing, the third connector and the fourth connector are fixed to the first housing, the third connector includes a first contact portion located on the outside of the first housing, the first contact portion is fixed to and electrically connected to the first connector, the first housing is provided with a first insertion hole, and the second connector is inserted into the first insertion hole to be electrically connected to the fourth connector.

[0011] In some embodiments, the second connector of this application does not require wiring with the first connector, making assembly convenient.

[0012] Furthermore, the third connector and the fourth connector are injection molded together with the first housing.

[0013] In some embodiments, the first connector of this application saves assembly steps.

[0014] Furthermore, the domain controller includes a second fastener to secure the first connector to the controller body.

[0015] In some embodiments, the first connector of this application is easy to assemble with the controller body.

[0016] This application also provides a battery pack assembly, including a battery pack and the aforementioned domain controller. The battery pack includes a battery pack body and a second connector fixed to the battery pack body. The second connector is inserted into the first connector to achieve an electrical connection between the first connector and the second connector.

[0017] Furthermore, the battery pack includes a bracket and a third fastener for securing the second connector to the bracket.

[0018] In some embodiments, the second connector of this application is easy to assemble with the battery pack body and can absorb manufacturing tolerances, facilitating the insertion of the first connector and the second connector.

[0019] Furthermore, the second connector is provided with a first assembly hole, the bracket is provided with a second assembly hole, the third fastener is assembled in the first assembly hole and the second assembly hole, and the battery pack includes a fourth fastener, which is screwed to the third fastener.

[0020] In some embodiments, the second connector of this application is easy to assemble with the battery pack body.

[0021] Furthermore, one of the first connector and the second connector is provided with a first post, and the other is provided with a first limiting hole, wherein the first post is received within the first limiting hole; and / or,

[0022] One of the controller body and the battery pack body is provided with a second column, and the other is provided with a second limiting hole, with the second column being received in the second limiting hole.

[0023] In some embodiments, the first column, the first limiting hole, the second column, and the second limiting hole of this application facilitate the alignment of the first connector and the second connector when the battery pack and the domain controller are assembled, making it easier for them to be inserted and improving the assembly efficiency. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of a domain controller according to an exemplary embodiment of this application.

[0025] Figure 2 yes Figure 1 The diagram shown is an exploded view of the domain controller.

[0026] Figure 3 This is a schematic diagram of a battery pack according to an exemplary embodiment of this application, wherein only a portion of the battery pack body is shown and the second connector is not assembled to the battery pack body.

[0027] Figure 4 yes Figure 2 An enlarged view of the portion within the box at point A of the domain controller shown.

[0028] Figure 5 yes Figure 2 A schematic diagram of the first connector of the domain controller is shown.

[0029] Figure 6 yes Figure 5 A schematic diagram of the first connector from another perspective.

[0030] Figure 7 yes Figure 3 A schematic diagram of the second connector is shown.

[0031] Figure 8 yes Figure 2 The first connector shown is Figure 3 The diagram shown is a schematic of the second connector before it is plugged in.

[0032] Figure 9 yes Figure 8 The diagram shown is a schematic of the second connector before it is assembled with the battery pack bracket.

[0033] Reference numerals: 100, Domain Controller; 200, Battery Pack; 1, Controller Body; 11, First Connector; 111, First Hole; 12, Second Connector; 13, Positioning Post; 14, Second Post; 2, First Connector; 21, Third Connector; 211, Second Hole; 212, First Contact; 213, Second Contact; 22, Fourth Connector; 221, Third Contact; 222, Fourth Contact; 23, First Housing; 231, First Insertion Hole; 232, Positioning Hole; 233, First Limiting Hole; 234, First Insertion Cavity; 235, Second Insertion Cavity; 3, Second Connector; 31, Second Housing 310. Second insertion hole; 311. First assembly hole; 312. First column; 313. First protrusion; 314. Second protrusion; 32. Fifth connector; 321. Fifth contact part; 322. Sixth contact part; 3221. First through hole; 33. Sixth connector; 331. Seventh contact part; 332. Eighth contact part; 41. First fixing part; 42. Nut; 5. Second fixing part; 6. Battery pack body; 61. Seventh connector; 611. Second through hole; 62. Eighth connector; 63. Second limiting hole; 81. Bracket; 811. Second assembly hole; 82. Third fixing part; 83. Fourth fixing part. Detailed Implementation

[0034] The technical solutions in the embodiments (or "implementations") of this application will be clearly and completely described herein with reference to the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0035] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movements between components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.

[0036] See Figures 1 to 2 This application provides a domain controller 100 that can be used in vehicles, including but not limited to new energy vehicles. The domain controller 100 includes, but is not limited to, a powertrain domain controller, a chassis domain controller, a body domain controller, a cockpit domain controller, and an autonomous driving domain controller.

[0037] In some embodiments, the domain controller 100 includes a controller body 1 and a first connector 2 fixed to the controller body 1. Combining Figure 3 , the first connector 2 is used to plug into the second connector 3 of the battery pack 200 to achieve electrical connection between the controller body 1 and the battery pack 200. The plugging of the first connector 2 and the second connector 3 facilitates the assembly of the domain controller 100 and the battery pack 200, with simple and convenient operation, avoiding wiring errors and saving assembly time.

[0038] In some embodiments, the first connector 2 is a socket and the second connector 3 is a plug.

[0039] In some embodiments, the first connector 2 is a plug and the second connector 3 is a socket.

[0040] Refer Figures 1 to 2 to Figures 4 to 6 , in some embodiments, the controller body 1 includes a first connecting member 11 and a second connecting member 12. The first connector 2 includes a third connecting member 21 and a fourth connecting member 22. The first connecting member 11 and the third connecting member 21 are fixed and electrically connected to ensure the stability of the electrical connection between the first connecting member 11 and the third connecting member 21, and can increase the firmness after the first connector 2 is fixed to the controller body 1.

[0041] In some embodiments, the second connecting member 12 is plugged into the first connector 2 to be electrically connected to the fourth connecting member 22, so as to facilitate the assembly between the first connector 2 and the controller body 1, avoiding wiring errors and saving assembly time.

[0042] In some embodiments, the second connecting member 12 and the fourth connecting member 22 can also be fixed together.

[0043] In some embodiments, the domain controller 100 includes a first fixing member 41. The first connecting member 11 is provided with a first hole 111, and the third connecting member 21 is provided with a second hole 211. The first fixing member 41 is assembled into the first hole 111 and the second hole 211 to fix the first connecting member 11 and the third connecting member 21, facilitating the fixing of the first connecting member 11 and the third connecting member 21.

[0044] In some embodiments, the first connecting member 11 and the third connecting member 21 can also be fixed by means such as welding or bonding.

[0045] In some embodiments, the domain controller 100 includes a nut 42, and the first fixing member 41 is fixed to the nut 42 after passing through the first hole 111 or the second hole 211, facilitating the fixation of the first connecting member 11 and the third connecting member 21; meanwhile, it is convenient to disassemble the first connector 2 to facilitate the replacement of the first connector 2, thereby reducing the maintenance cost.

[0046] In some embodiments, the first fixing member 41 is fixed by riveting after passing through the first hole 111 or the second hole 211.

[0047] In some embodiments, the first connector 2 includes a first housing 23, and the third connecting member 21 and the fourth connecting member 22 are fixed to the first housing 23.

[0048] In some embodiments, the third connecting member 21 includes a first contact portion 212 located outside the first housing 23, and the first contact portion 212 is fixed and electrically connected to the first connecting member 11, facilitating the fixation of the first connecting member 11 and the third connecting member 21.

[0049] In some embodiments, the first housing 23 is provided with a first insertion hole 231, and the second connecting member 12 is inserted into the first insertion hole 231 to be electrically connected to the fourth connecting member 22, which can increase the stability of the contact between the second connecting member 12 and the fourth connecting member 22; meanwhile, wiring is not required, which can avoid wiring errors and improve the assembly efficiency.

[0050] In some embodiments, the third connecting member 21 and the fourth connecting member 22 are injection molded with the first housing 23, saving the assembly process.

[0051] In some embodiments, the third connecting member 21 and the fourth connecting member 22 can also be assembled to the first housing 23.

[0052] In some embodiments, the domain controller 100 includes a second fixing member 5 to fix the first connector 2 to the controller body 1.

[0053] The second fixing member 5 includes, but is not limited to, screws, bolts, buckles, etc.

[0054] Refer Figure 5 And Figure 6 As shown in, in some embodiments, the third connecting member 21 includes a second contact portion 213 disposed opposite to the first contact portion 212. The fourth connecting member 22 includes opposite third contact portion 221 and fourth contact portion 222, and the third contact portion 221 is electrically connected to the second connecting member 12.

[0055] In some embodiments, the first connector 2 is provided with a first limiting hole 233.

[0056] In some embodiments, the first limiting hole 233 is disposed on the first housing 23.

[0057] In some embodiments, the first limiting holes 233 are provided in pairs, and the present application does not limit the number of the first limiting holes 233.

[0058] Refer Figure 2 and Figures 5 to 6 , the first housing 23 is provided with a positioning hole 232, the controller main body 1 is provided with a positioning post 13, and the second fixing member 5 is fixed to the positioning post 13 after passing through the positioning hole 232.

[0059] In some embodiments, the controller main body 1 is provided with a second column 14.

[0060] In some embodiments, the second columns 14 are provided in pairs, and the present application does not limit the number of the second columns 14.

[0061] In some embodiments, the first housing 23 is provided with a first insertion cavity 234 and a second insertion cavity 235, the second contact portion 213 is located in the first insertion cavity 234, and the fourth contact portion 222 is located in the second insertion cavity 235.

[0062] In some embodiments, the present application further provides a battery pack assembly, including the battery pack 200 and the domain controller 100.

[0063] Refer Figure 3 and Figures 7 to 8 , the battery pack 200 includes a battery pack main body 6, and the second connector 3 is fixed to the battery pack main body 6.

[0064] In some embodiments, the second connector 3 includes a second housing 31 and a fifth connecting member 32 and a sixth connecting member 33 fixed to the second housing 31. The fifth connecting member 32 includes opposite fifth contact portions 321 and sixth contact portions 322, and the sixth connecting member 33 includes opposite seventh contact portions 331 and eighth contact portions 332. The fifth contact portion 321 is electrically connected to the second contact portion 213, and the seventh contact portion 331 is electrically connected to the fourth contact portion 222.

[0065] The battery pack main body 6 includes a seventh connecting member 61 and an eighth connecting member 62. The seventh connecting member 61 is electrically connected to the sixth contact portion 322, and the eighth connecting member 62 is electrically connected to the eighth contact portion 332.

[0066] In some embodiments, the fifth connector 32 and the sixth connector 33 are injection molded with the second housing 31, saving the assembly process.

[0067] In some embodiments, the fifth connector 32 and the sixth connector 33 can also be assembled to the second housing 31.

[0068] In some embodiments, the eighth connector 62 is plugged into the second connector 3 to be electrically connected to the sixth connector 33, facilitating the assembly between the second connector 3 and the battery pack body 6, avoiding wiring errors and saving assembly time.

[0069] In some embodiments, the eighth connector 62 and the sixth connector 33 can also be fixed together.

[0070] In some embodiments, the second housing 31 includes a first protrusion 313 and a second protrusion 314. The fifth contact portion 321 is located within the second protrusion 314, and the seventh contact portion 331 is located within the first protrusion 313. When the domain controller 100 and the battery pack 200 are assembled together, the first protrusion 313 is located within the second insertion cavity 235, and the second protrusion 314 is located within the first insertion cavity 134 to increase the stability after the first connector 2 and the second connector 3 are plugged together.

[0071] See Figure 9 , in some embodiments, the second housing 31 is provided with a second insertion hole 310. The eighth connector 62 is inserted into the second insertion hole 310 to be electrically connected to the sixth connector 33, which can increase the stability of the contact between the eighth connector 62 and the sixth connector 33.

[0072] See Figure 9 , in some embodiments, the sixth contact portion 322 is located outside the second housing 31. The sixth contact portion 322 is used to be fixed and electrically connected to the seventh connector 61, facilitating the fixation of the seventh connector 61 and the fifth connector 32.

[0073] In some embodiments, the battery pack 200 includes a limiting member (not shown). The sixth contact portion 322 is provided with a first through hole 3221, and the seventh connector 61 is provided with a second through hole 611. The limiting member is assembled to the first through hole 3221 and the second through hole 611 to fix the fifth connector 32 and the seventh connector 61, facilitating the fixation of the fifth connector 32 and the seventh connector 61.

[0074] In some embodiments, the fifth connector 32 and the seventh connector 61 can also be fixed by welding, bonding or other means.

[0075] In some embodiments, the domain controller 100 includes a lock nut (not shown). After the limiting member passes through the first through hole 3221 or the second through hole 611, it is fixed to the lock nut, which facilitates fixing the fifth connector 32 and the seventh connector 61. At the same time, it is convenient to disassemble the second connector 3 to facilitate the replacement of the second connector 3, so as to reduce the maintenance cost.

[0076] In some embodiments, after the limiting member passes through the first through hole 3221 or the second through hole 611, it is fixed by riveting.

[0077] See Figure 9 , in some embodiments, the battery pack 200 includes a bracket 81 and a third fixing member 82, and the third fixing member 82 is used to fix the second connector 3 on the bracket 81.

[0078] In some embodiments, the second connector 3 is provided with a first assembly hole 311, the bracket 81 is provided with a second assembly hole 811, the third fixing member 82 is assembled in the first assembly hole 311 and the second assembly hole 811, and the battery pack 200 includes a fourth fixing member 83, and the fourth fixing member 83 is fixedly connected to the third fixing member 82 by threading.

[0079] The setting of the third fixing member 82 can improve the accuracy of the assembly position of the second connector 3 to ensure the alignment between the second connector 3 and the first connector 2, and avoid the insertion between the second connector 3 and the first connector 2 being affected by manufacturing tolerances.

[0080] In some embodiments, the second connector 3 includes a first cylinder 312. When the battery pack 200 and the domain controller 100 are assembled together, the first cylinder 312 is received in the first limiting hole 233 to ensure the alignment between the second connector 3 and the first connector 2, and avoid the alignment between the second connector 3 and the first connector 2 being affected by manufacturing tolerances.

[0081] In some embodiments, the first cylinder 312 is provided on the first connector 2, and the first limiting hole 233 is provided on the second connector 3.

[0082] See Figure 3In some embodiments, the battery pack body 6 is provided with a second limiting hole 63. When the battery pack 200 and the domain controller 100 are assembled, the second column 14 is received in the second limiting hole 63 to ensure alignment between the second connector 3 and the first connector 2, and to avoid the alignment between the second connector 3 and the first connector 2 being affected by manufacturing tolerances.

[0083] In some embodiments, the second column 14 is disposed on the battery pack body 6, and the second limiting hole 63 is disposed on the controller body 1.

[0084] It should be noted that the technical solutions or features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A domain controller, characterized in that, include: The controller body includes a first connector and a second connector; A first connector is fixed to the controller body and used to plug into a second connector of the battery pack to achieve an electrical connection between the controller body and the battery pack. The first connector includes a third connector and a fourth connector. The first connector is fixed to and electrically connected to the third connector, and the second connector is plugged into the first connector to be electrically connected to the fourth connector.

2. The domain controller according to claim 1, characterized in that, The domain controller includes a first fixing member, the first connector having a first hole, and the third connector having a second hole. The first fixing member is assembled to the first hole and the second hole to fix the first connector and the third connector.

3. The domain controller according to claim 2, characterized in that, The domain controller includes a nut, and the first fastener passes through the first hole or the second hole and is fixed to the nut.

4. The domain controller according to claim 1, characterized in that, The first connector includes a first housing, the third connector and the fourth connector are fixed to the first housing, the third connector includes a first contact portion located on the outside of the first housing, the first contact portion is fixed to and electrically connected to the first connector, the first housing is provided with a first insertion hole, and the second connector is inserted into the first insertion hole to be electrically connected to the fourth connector.

5. The domain controller according to claim 4, characterized in that, The third connector and the fourth connector are injection molded together with the first housing.

6. The domain controller according to any one of claims 1 to 5, characterized in that, The domain controller includes a second fastener to secure the first connector to the controller body.

7. A battery pack assembly, characterized in that, The device includes a battery pack and a domain controller as described in any one of claims 1 to 6, wherein the battery pack includes a battery pack body and a second connector fixed to the battery pack body, the second connector being inserted into the first connector to achieve an electrical connection between the first connector and the second connector.

8. The battery pack assembly according to claim 7, characterized in that, The battery pack includes a bracket and a third fastener, the third fastener being used to secure the second connector to the bracket.

9. The battery pack assembly according to claim 8, characterized in that, The second connector is provided with a first assembly hole, the bracket is provided with a second assembly hole, the third fastener is assembled in the first assembly hole and the second assembly hole, and the battery pack includes a fourth fastener, which is screwed to the third fastener.

10. The battery pack assembly according to claim 7, characterized in that, One of the first connector and the second connector is provided with a first post, and the other is provided with a first limiting hole, wherein the first post is received within the first limiting hole; and / or, One of the controller body and the battery pack body is provided with a second column, and the other is provided with a second limiting hole, with the second column being received in the second limiting hole.