Modularized arrangement structure of electric drive axle of new energy automobile

通过在电驱动桥本体上设置高压和低压线束接口和线束槽,并将线束铺设至连接车架,解决了电驱动桥线束布置中交叉和捆扎的问题,实现了模块化布置和电磁兼容性提升 .

CN222474086UActive Publication Date: 2025-02-14INNER MONGOLIA YUANSU MENGTAI INTELLIGENT HYDROGEN COMMERCIAL VEHICLE CO LTD
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Patent Information

Application Number
CN202421346823.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-02-14
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The existing high and low voltage wiring harness arrangements of electric drive axles have crossing and bundling together, and insufficient physical space isolation and protection are not guaranteed, resulting in electromagnetic compatibility problems, which will cause vehicles to stop driving in serious cases.

Method used

High-voltage wiring harness interface and low-voltage wiring harness interface are respectively set on both sides of the electric drive axle body, and a first wiring harness slot is set on the outside of the interface. The high-voltage wiring harness or low-voltage wiring harness is laid in the first wiring harness slot and extended to the connecting frame to realize the module and improve electromagnetic compatibility through shielding and elastic connectors.

Benefits of technology

The separation arrangement of high-voltage wiring harness and low-voltage wiring harness is realized, which improves the simplicity and aesthetics of the wiring harness arrangement of the electric drive axle, and at the same time enhances electromagnetic compatibility, avoids signal interference and vehicle stopping problems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of new energy automobiles, in particular to a new energy automobile electric drive axle modular arrangement structure which comprises an electric drive axle body. Connecting frames are arranged on the two sides of the upper end of the electric drive axle body respectively, and connecting pieces are arranged between the electric drive axle body and the connecting frames respectively. One side of the lower end of the electric drive axle body is provided with a high-voltage wire harness interface, the other side of the lower end of the electric drive axle body is provided with a low-voltage wire harness interface, the outer sides of the high-voltage wire harness interface and the low-voltage wire harness interface are respectively provided with a first wire harness groove, and the other end of each first wire harness groove extends upwards towards a connecting frame in a winding shape. The electric drive axle has the advantages that the high-voltage wire harness connector and the low-voltage wire harness connector are arranged on the two sides of the electric drive axle body respectively, and the first wire harness grooves are formed in the outer sides of the two connectors respectively, so that a high-voltage wire harness or a low-voltage wire harness can be laid in the first wire harness grooves respectively and laid on a connecting frame in an extending mode; and modular arrangement is realized.
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Description

Technical Field

[0001] The utility model relates to the field of new energy vehicles, in particular to a modular arrangement structure of an electric drive axle of a new energy vehicle. Background Art

[0002] The electric drive axle is a mechatronic drive system designed for electric vehicles, which has the advantages of high integration, small size, and low energy consumption. As the core component of electric vehicles, its performance directly affects the power and economy of electric vehicles.

[0003] The high and low voltage interfaces of the existing electric drive axle are arranged close to each other, and the arrangement direction does not reasonably consider the wiring harness direction, resulting in the high and low voltage wiring harnesses being crossed and bundled together. Adequate physical space isolation and protection are not guaranteed, which is prone to electromagnetic compatibility problems such as signal interference, erroneous frame messages, abnormal high voltage drop, etc., which may cause the vehicle to stop in severe cases. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the utility model provides a technical solution that can solve the above-mentioned problems.

[0005] A modular arrangement structure of an electric drive axle for a new energy vehicle, comprising an electric drive axle body;

[0006] A connecting frame is provided on both sides of the upper end of the electric drive axle body, and a connecting piece is provided between the electric drive axle body and the connecting frame;

[0007] A high-voltage wiring harness interface is provided on one side of the lower end of the electric drive axle body, and a low-voltage wiring harness interface is provided on the other side of the lower end of the electric drive axle body. First wiring harness grooves are respectively provided on the outer sides of the high-voltage wiring harness interface and the low-voltage wiring harness interface, and the other end of each first wiring harness groove is respectively extended upward in a winding shape toward the connection frame.

[0008] As a further solution of the utility model: a second wiring harness groove is respectively opened on one side of the connecting frame close to the first wiring harness groove, and the first wiring harness groove and the second wiring harness groove are arranged corresponding to each other.

[0009] As a further solution of the utility model: a plurality of harness holes are respectively provided on both sides of the first harness groove and the second harness groove.

[0010] As a further solution of the utility model: the upper ends of the high-voltage harness interface and the low-voltage harness interface are respectively provided with shielding covers made of shielding plates, and the shielding covers are respectively arranged relative to one side opening of the first harness slot.

[0011] As a further solution of the utility model: the connecting piece is an elastic connecting piece.

[0012] Compared with the prior art, the beneficial effect of the utility model is as follows: by respectively arranging a high-voltage wiring harness interface and a low-voltage wiring harness interface on both sides of the electric drive axle body, and respectively arranging a first wiring harness groove on the outside of the two interfaces, the high-voltage wiring harness or the low-voltage wiring harness can be respectively laid in the first wiring harness groove and extended on the connecting frame to realize modular layout. At the same time, the high-voltage wiring harness and the low-voltage wiring harness are arranged separately, thereby improving the simplicity and aesthetics of the wiring harness layout of the electric drive axle.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in this embodiment or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] As shown in the figure: 1. Electric drive axle body; 2. Connection frame; 3. Connector; 4. High-voltage wiring harness interface; 5. Low-voltage wiring harness interface; 6. First wiring harness groove; 7. Second wiring harness groove; 8. Shielding cover. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0020] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1 , a modular arrangement structure of an electric drive axle for a new energy vehicle, comprising an electric drive axle body 1;

[0022] A connecting frame 2 is provided on both sides of the upper end of the electric drive axle body 1, and a connecting piece 3 is provided between the electric drive axle body 1 and the connecting frame 2;

[0023] A high-voltage wiring harness interface 4 is provided on one side of the lower end of the electric drive bridge body 1, and a low-voltage wiring harness interface 5 is provided on the other side of the lower end of the electric drive bridge body 1. First wiring harness grooves 6 are respectively provided on the outer sides of the high-voltage wiring harness interface 4 and the low-voltage wiring harness interface 5, and the other end of each first wiring harness groove 6 is respectively extended upward in a winding shape toward the connection frame 2.

[0024] The connecting frame 2 is connected to the whole vehicle frame, and the electric drive bridge body 1 is connected to the connecting frame through the connecting piece 3. By respectively arranging a high-voltage harness interface 4 and a low-voltage harness interface 5 on both sides of the electric drive bridge body 1, and respectively arranging a first harness groove 6 on the outside of the two interfaces, the high-voltage harness or the low-voltage harness can be laid in the first harness groove 6 respectively, and extended in the first harness groove 6 and laid on the connecting frame 2, so as to facilitate the subsequent electrical connection with the whole vehicle electronic control, realize modular layout, and effectively realize the separation layout of the high-voltage harness and the low-voltage harness; arranging the high-voltage harness interface 4 and the low-voltage harness interface 5 at the lower end of the electric drive bridge body 1 can facilitate the installation and maintenance of the staff; when the first harness groove 6 extends upward, the material of the harness needs to be considered, and the bend of the first harness groove needs to have an arc.

[0025] As a further solution of the utility model: a second harness groove 7 is respectively opened on one side of the connecting frame 2 close to the first harness groove 6, and the first harness groove 6 and the second harness groove 7 are arranged corresponding to each other.

[0026] When the high-voltage wiring harness or the low-voltage wiring harness is laid on the connection frame 2, it can be arranged in the second wiring harness groove 7, which is convenient for protecting the high-voltage wiring harness or the low-voltage wiring harness to avoid wear and tear, while improving the simplicity and aesthetics of the wiring harness layout.

[0027] As a further solution of the utility model: a plurality of harness holes are respectively provided on both sides of the first harness groove 6 and the second harness groove 7 .

[0028] A tie belt can be used to pass through the harness slot holes to fix the harnesses in the first harness slot 6 and the second harness slot 7, thereby improving stability.

[0029] As a further solution of the utility model: the upper ends of the high-voltage harness interface 4 and the low-voltage harness interface 5 are respectively provided with shielding covers 8 made of shielding plates, and the shielding covers 8 are respectively provided with one side opening relative to the first harness slot 6.

[0030] It is possible to achieve electromagnetic shielding of the wiring harness connection at the high-voltage wiring harness interface 4 and the low-voltage wiring harness interface 5, which can effectively play an isolating role and improve safety.

[0031] As a further solution of the present invention: the connecting member 3 is an elastic connecting member.

[0032] It can play a role of shock absorption between the electric drive axle body 1 and the connecting frame 2.

[0033] It should also be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "including a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0034] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A modular layout structure of an electric drive axle for a new energy vehicle, characterized in that: including an electric drive axle body; A connecting frame is provided on both sides of the upper end of the electric drive axle body, and connecting pieces are provided between the electric drive axle body and the connecting frame; A high-voltage wiring harness interface is provided on one side of the lower end of the electric drive axle body, and a low-voltage wiring harness interface is provided on the other side of the lower end of the electric drive axle body. First wiring harness grooves are respectively provided on the outer sides of the high-voltage wiring harness interface and the low-voltage wiring harness interface, and the other end of each first wiring harness groove is respectively extended upward in a winding shape toward the connection frame.

2. The modular arrangement structure of the electric drive axle of a new energy vehicle according to claim 1 is characterized in that: A second harness groove is respectively provided on one side of the connecting frame close to the first harness groove, and the first harness groove and the second harness groove are arranged correspondingly to each other.

3. The modular arrangement structure of the electric drive axle of a new energy vehicle according to claim 2 is characterized in that: A plurality of harness holes are respectively formed on both sides of the first harness groove and the second harness groove.

4. The modular arrangement structure of the electric drive axle of a new energy vehicle according to claim 1 is characterized in that: The upper ends of the high-voltage harness interface and the low-voltage harness interface are respectively provided with shielding covers made of shielding plates, and the shielding covers are respectively arranged relative to one side opening of the first harness groove.

5. The modular arrangement structure of the electric drive axle of a new energy vehicle according to claim 1 is characterized in that: The connecting piece is an elastic connecting piece.