Power battery high-voltage distribution box

By designing the upper and lower two-layer structure and multi-region separation structure of the power battery high-voltage distribution box, the existing distribution box has been solved, and the compact design and efficient distribution box are achieved Space utilization.

CN222508397UActive Publication Date: 2025-02-18宁德聚能动力电源系统技术有限公司
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Patent Information

Application Number
CN202420297446.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-18
Publication Date
2025-02-18
Estimated Expiration
2034-02-18

AI Technical Summary

Technical Problem

The existing high-voltage distribution box has complex structure, large size, low integration, and low space utilization, making it difficult to meet the compact needs of power battery systems.

Method used

A high-voltage power distribution box for power batteries is designed, adopting a two-layer structure, each layer is divided into multiple areas, separated by a control unit bracket and a fixed plate, improving the degree of integration and space utilization.

Benefits of technology

The distribution box has a small size, reasonable space layout and high degree of integration, which significantly improves the space utilization rate and is suitable for the compact needs of power battery systems.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222508397U_ABST
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Abstract

The utility model discloses a power battery high-voltage distribution box, and relates to the technical field of automobile high-voltage electrical systems. The lower shell is installed on the base, the upper shell is arranged on the upper portion of the lower shell, the upper cover is installed on the upper shell, and the main fuse box is installed on the upper cover. A first control unit top fixing plate is fixed to the upper surface of the upper shell, a top support and first control unit supports are fixed to the bottom face of the first control unit top fixing plate, and the interior of the upper shell is divided into a plurality of areas through the top support and the first control unit supports. A second control unit top fixing plate is fixed to the upper surface of the lower shell, a second control unit support is installed on the bottom face of the second control unit top fixing plate, and the interior of the lower shell is divided into a plurality of areas through the second control unit support. The distribution box is small in size, reasonable in space layout, high in integration degree and wide in application prospect, and the space utilization rate of the distribution box is greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile high-voltage electrical systems, and in particular to a power battery high-voltage distribution box. Background Art

[0002] The power battery and energy storage battery pack consists of multiple battery packs. The voltage provided by each battery must pass through a high-voltage distribution box, where it is then divided into multiple paths for other high-voltage electrical equipment, such as motor controllers, onboard motors, compressors, and other components. The high-voltage distribution box primarily houses high-voltage fuses, pre-charge resistors, shunts, contactors, and other components, serving as an integrator. Without a high-voltage distribution box, the battery module would have numerous high-voltage wires, creating a cluttered and prone-to-failure environment. This would also take up space, making the entire battery pack larger and heavier. Existing high-voltage distribution boxes on the market are complex in structure, bulky in size, and lack a high degree of integration, resulting in low space utilization. Therefore, designing a new high-voltage distribution box for power batteries is particularly necessary. Utility Model Content

[0003] In view of the deficiencies in the existing technology, the purpose of this utility model is to provide a power battery high-voltage distribution box with a simple structure, reasonable design, improved space utilization, high degree of integration, small size, strong practicality, and easy promotion and use.

[0004] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: a power battery high-voltage distribution box, comprising an upper cover, an upper shell, a lower shell, a base, a main fuse box, a first control unit top fixing plate, a top bracket, a first control unit bracket, a second control unit top fixing plate and a second control unit bracket, the lower shell is installed on the base, the upper part of the lower shell is provided with an upper shell, the upper shell is installed with an upper cover, and the upper cover is installed with a main fuse box; the upper surface of the upper shell is fixed with the first control unit top fixing plate, the bottom surface of the first control unit top fixing plate is fixed with the top bracket and the first control unit bracket, the interior of the upper shell is divided into multiple areas by the top bracket and multiple first control unit brackets; the upper surface of the lower shell is fixed with the second control unit top fixing plate, the bottom surface of the second control unit top fixing plate is installed with the second control unit bracket, and the interior of the lower shell is divided into multiple areas by the second control unit bracket.

[0005] Preferably, a first control unit base plate is fixed to the bottom of the upper shell, and a first rubber sealing gasket is provided at the connection between the first control unit base plate and the upper shell.

[0006] Preferably, a second control unit base plate is fixed to the bottom of the lower shell, and a second rubber sealing gasket is provided at the connection between the second control unit base plate and the lower shell.

[0007] The beneficial effects of the utility model are as follows: the device has a small size, a reasonable space layout, greatly improves the space utilization rate of the distribution box, has a high degree of integration, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments;

[0009] Figure 1 It is a structural diagram of the utility model;

[0010] Figure 2 It is a schematic diagram of the half-section structure of the present utility model. DETAILED DESCRIPTION

[0011] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0012] Reference Figure 1-2 This specific embodiment adopts the following technical solution: a power battery high-voltage distribution box, including an upper cover 1, an upper shell 2, a lower shell 3, a base 4, a main fuse box 5, a first control unit top fixing plate 6, a top bracket 7, a first control unit bracket 8, a second control unit top fixing plate 9 and a second control unit bracket 10, the lower shell 3 is installed on the base 4, the upper part of the lower shell 3 is provided with an upper shell 2, the upper shell 2 is installed on the upper cover 1, and the main fuse box 5 is installed on the upper cover 1.

[0013] The upper surface of the upper shell 2 is fixed with the first control unit top fixing plate 6, and the bottom surface of the first control unit top fixing plate 6 is fixed with the top bracket 7 and the first control unit bracket 8. The interior of the upper shell 2 is divided into multiple areas by the top bracket 7 and multiple first control unit brackets 8. The bottom of the upper shell 2 is fixed with the first control unit base plate 11, and a first rubber sealing gasket 12 is provided at the connection between the first control unit base plate 11 and the upper shell 2.

[0014] A second control unit top fixing plate 9 is fixed to the upper surface of the lower shell 3, and a second control unit bracket 10 is installed on the bottom surface of the second control unit top fixing plate 9. The interior of the lower shell 3 is divided into multiple areas by the second control unit bracket 10; a second control unit base plate 13 is fixed to the bottom of the lower shell 3, and a second rubber sealing gasket 14 is provided at the connection between the second control unit base plate 13 and the lower shell 3.

[0015] This specific embodiment is structurally designed according to the actual needs of power batteries, and the distribution box is divided into an upper and lower two-layer architecture. Each layer is divided into multiple areas. The control unit in each area is used to install different types of battery cells, pre-charge resistors, high-voltage fuses, shunts, contactors and other components. The distribution box of this structure fully considers the distribution and installation method of the battery cells, and can ensure that each battery cell works normally. At the same time, the distribution box also takes into account the circuit connection method and communication protocol between the battery cells to ensure the efficient and stable operation of the battery system. In summary, the distribution box has a reasonable spatial layout and a high degree of integration, which effectively improves the space utilization of the distribution box and has broad market application prospects.

[0016] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A power battery high voltage distribution box, characterized in that: The invention comprises an upper cover (1), an upper shell (2), a lower shell (3), a base (4), a main fuse box (5), a first control unit top fixing plate (6), a top bracket (7), a first control unit bracket (8), a second control unit top fixing plate (9) and a second control unit bracket (10); the lower shell (3) is mounted on the base (4); an upper shell (2) is arranged on the upper part of the lower shell (3); an upper cover (1) is mounted on the upper shell (2); and a main fuse box (5) is mounted on the upper cover (1); a first control unit top fixing plate (6) is fixed on the upper surface of the upper shell (2); a first control unit top fixing plate (8) is fixed on the upper surface of the upper shell (2); a second control unit top fixing plate (9) is fixed on the upper surface of the upper shell (2); a second control unit top fixing plate (9) is fixed on the upper surface of the upper shell (2); a second control unit top fixing plate (10) is fixed on the upper surface of the upper shell (2); a second control unit top fixing plate (11) is fixed on the upper surface of the upper shell (2); a second control unit top fixing plate (12) is fixed on the upper surface of the upper shell (2); a second control unit top fixing plate (13) is fixed on the upper surface of the upper shell (2); a second control unit top fixing plate (14) is fixed on the upper surface of the upper shell (2); a second control unit top fixing plate (15) is fixed on the upper surface of the upper shell (2); a second control unit top fixing plate (16) is fixed on the upper surface of the upper shell (2); a second control unit top fixing plate (17) is fixed on the upper surface of the upper shell (2); a second control unit top fixing plate (18) is fixed on the upper surface of the upper shell (18); a second control unit top fixing plate (19) is fixed on the upper surface of the upper shell (1 A control unit top fixing plate (6), a top bracket (7) and a first control unit bracket (8) are fixed to the bottom surface of the first control unit top fixing plate (6), and the interior of the upper shell (2) is divided into multiple areas by the top bracket (7) and multiple first control unit brackets (8); a second control unit top fixing plate (9) is fixed to the upper surface of the lower shell (3), a second control unit bracket (10) is installed on the bottom surface of the second control unit top fixing plate (9), and the interior of the lower shell (3) is divided into multiple areas by the second control unit bracket (10).

2. A power battery high voltage distribution box according to claim 1, characterized in that: A first control unit base plate (11) is fixed to the bottom of the upper shell (2), and a first rubber sealing pad (12) is provided at the connection between the first control unit base plate (11) and the upper shell (2).

3. A power battery high voltage distribution box according to claim 1, characterized in that: A second control unit bottom plate (13) is fixed to the bottom of the lower housing (3), and a second rubber sealing pad (14) is provided at the connection between the second control unit bottom plate (13) and the lower housing (3).