High-voltage connector, electric control connecting structure, hybrid drive system and automobile

By using high-voltage connectors in hybrid drive systems, the problems of unreliable high-voltage wiring harness connections and sealing failures are solved, thereby improving vehicle stability and space utilization.

CN114506204BActive Publication Date: 2025-12-05GUANGZHOU AUTOMOBILE GROUP CO LTD
View PDF 5 Cites 0 Cited by

Patent Information

Application Number
CN202011163423.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-10-27
Publication Date
2025-12-05
Estimated Expiration
2040-10-27

AI Technical Summary

Technical Problem

In existing hybrid drive systems, high-voltage wiring harnesses are unreliable, prone to breakage due to swaying, and prone to sealing failure. They also occupy a large amount of space and affect the stability and layout of the vehicle.

Method used

A high-voltage connector, including a first connection part and a second connection part, is used to connect the vehicle motor controller and the motor mounting part inside the vehicle reducer housing. The connection reliability and sealing performance are improved by using sealing rings and shielding rings, and the use of high-voltage wiring harnesses is reduced.

Benefits of technology

It improves vehicle stability and space utilization, avoids unreliable connection and sealing problems of high-voltage wiring harnesses during vehicle operation, and enhances connection reliability and sealing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN114506204B_ABST
    Figure CN114506204B_ABST
Patent Text Reader

Abstract

The application belongs to the technical field of automobile hybrid power, and particularly relates to a high-voltage connector, an electric control connecting structure, a hybrid power driving system and an automobile. The high-voltage connector is characterized in that the high-voltage connector comprises a first connecting part and a second connecting part which are both installed in an automobile decelerator shell; the second connecting part is connected with the first connecting part; the first connecting part is provided with a first mounting part for connecting an automobile motor controller at one end away from the second connecting part; and the second connecting part is provided with a second mounting part for connecting an automobile motor at one end away from the first connecting part. In the application, the automobile motor controller and the automobile motor are connected through the high-voltage connector, and the high-voltage connector has compact structure and small space occupation, and is beneficial to automobile mounting.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of automobile hybrid power, in particular to a high-voltage connector, an electric control connecting structure, a hybrid power driving system and an automobile. BACKGROUND

[0002] The hybrid electric vehicle combines the advantages of good quietness, energy saving and environmental protection of electric vehicles, and the advantages of long endurance without power anxiety of traditional fuel vehicles, and is more and more favored by the market. As an important part of the hybrid electric vehicle, the hybrid power driving system not only integrates the transmission, but also adds the motor as the power source, and adds the motor controller to control the power output of the motor.

[0003] In the prior art, the motor controller and the motor of the hybrid power driving system are connected through a high-voltage wire harness. The high-voltage wire harness is exposed to the external environment. Therefore, while bearing high voltage, the high-voltage wire harness must also ensure reliable insulation effect. Therefore, the high-voltage wire harness is often set to be large in diameter and difficult to bend, which occupies a large layout space of the automobile, and is not conducive to the mounting of the hybrid power driving system on the automobile. In addition, the high-voltage wire harness and the motor controller are usually connected through a plastic buckle. During the driving of the automobile, the high-voltage wire harness is often in a swinging state, causing the high-voltage wire harness connection to be unreliable and the buckle to be prone to breakage. At the same time, the sealing failure problem of the connection position of the high-voltage wire harness and the motor controller is also prone to occur. SUMMARY

[0004] The present application solves the technical problems of low reliability of the high-voltage wire harness in the hybrid power driving system in the prior art, and provides a hybrid power driving system and an automobile.

[0005] In view of the above problems, the hybrid power driving system provided by the embodiments of the present application comprises a first connecting part and a second connecting part, which are both installed in the automobile decelerator shell; the second connecting part is connected to the first connecting part;

[0006] The first connecting part is provided with a first mounting part for connecting the automobile motor controller at one end away from the second connecting part; and the second connecting part is provided with a second mounting part for connecting the automobile motor at one end away from the first connecting part.

[0007] Optionally, the first mounting part comprises a plurality of first mounting holes arranged at intervals, and a first separation boss arranged between adjacent two first mounting holes; and the first mounting part is connected to the automobile motor controller through the plurality of first mounting holes.

[0008] The second mounting part comprises a plurality of second mounting holes arranged at intervals, and a second separation boss arranged between adjacent two second mounting holes; and the second mounting part is connected to the automobile motor through the plurality of second mounting holes.

[0009] Optionally, the high-voltage connector further comprises a mounting plate provided with a third mounting hole, and the first connecting part connects the second connecting part through the mounting plate; and the mounting plate is mounted on the automobile decelerator shell through the third mounting hole.

[0010] Another embodiment of the present application further provides an electric control connecting structure, comprising the high-voltage connector and an automobile motor controller mounted on the automobile decelerator shell; the automobile motor controller comprises a copper bar, and the copper bar is provided with a first through hole; and the automobile motor controller is connected with the first mounting part through a first fixing member penetrating through the first through hole.

[0011] Another embodiment of the present application further provides a hybrid power driving system, comprising an automobile decelerator shell, an automobile motor and the electric control connecting structure; the automobile decelerator shell is provided with a containing groove for mounting the automobile motor and a first mounting groove communicating with the containing groove; the motor controller is further provided with a second mounting groove; the first connecting part is mounted in the second mounting groove, and the second connecting part is mounted in the first mounting groove; and the automobile motor controller is electrically connected with the automobile motor through the high-voltage connector.

[0012] Optionally, the first connecting part is provided with a first sealing ring, and the first connecting part is sealingly mounted in the second mounting groove through the first sealing ring.

[0013] The second connecting part is provided with a second sealing ring, and the second connecting part is sealingly mounted in the first mounting groove through the second sealing ring.

[0014] Optionally, the first connecting part is further provided with a shielding ring for shielding external signals from interfering with the automobile motor controller.

[0015] Optionally, the automobile motor comprises a driving motor and a generator; the electric control connecting structure comprises two high-voltage connectors; and the automobile motor controller is connected with the driving motor and the generator respectively through the two high-voltage connectors.

[0016] Optionally, the automobile motor comprises a motor wire, and the motor wire is provided with a second through hole; and the automobile motor is connected with the second mounting part through a second fixing member penetrating through the second through hole.

[0017] Another embodiment of the present application further provides an automobile comprising the hybrid power driving system.

[0018] In the application, the first connecting part is provided with a first mounting part for connecting the automobile motor controller at one end away from the second connecting part; the second connecting part is provided with a second mounting part for connecting the automobile motor at one end away from the first connecting part; the automobile motor controller is connected with the automobile motor through the high-voltage connector, avoiding the automobile motor controller from being connected with the automobile motor through the high-voltage wire harness, and further avoiding the problems of unreliable connection, easy breakage and sealing failure of the high-voltage wire harness due to swing during automobile driving, and improving the stability of the automobile. In the application, the automobile motor and the automobile controller connected through the high-voltage connector have compact structure and small space occupation, which is beneficial to the mounting on the automobile and further improves the stability of the automobile. BRIEF DESCRIPTION OF DRAWINGS

[0019] The application will be further described below in combination with the drawings and examples.

[0020] Figure 1 The structural schematic diagram of the high-voltage connector provided by an embodiment of the application is shown in the figure.

[0021] Figure 2 The partial structural schematic diagram of the hybrid power driving system provided by an embodiment of the application is shown in the figure.

[0022] Figure 3 The partial sectional view of the hybrid power driving system provided by an embodiment of the application is shown in the figure.

[0023] The reference signs in the specification are as follows:

[0024] 1, electric control connecting structure; 11, high-voltage connector; 111, first connecting part; 1111, first mounting part; 1112, first mounting hole; 1113, first separation boss; 1114, first sealing ring; 1115, shielding ring; 112, second connecting part; 1121, second mounting part; 1122, second mounting hole; 1123, second separation boss; 1124, second sealing ring; 113, mounting plate; 1131, third mounting hole; 12, automobile motor controller; 121, adapter copper bar; 122, first fixing member; 123, second mounting groove; 2, automobile speed reducer shell; 21, containing groove; 22, first mounting groove; 3, automobile motor; 31, driving motor; 32, generator; 33, motor wire; 34, second fixing member. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects of the application more clear, the application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the application, and are not used to limit the application.

[0026] It should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of the present invention.

[0027] like Figure 1 As shown, an embodiment of the present invention provides a high-voltage connector 11, including a first connecting portion 111 and a second connecting portion 112 both installed within a vehicle reducer housing 2; the second connecting portion 112 is connected to the first connecting portion 111; optionally, the first connecting portion 111 and the second connecting portion 112 are integrally formed structures. It can be understood that this high-voltage connector 11 has a simple structure and is easy to install.

[0028] The first connecting part 111 has a first mounting part 1111 for connecting to the vehicle motor controller 12 at one end away from the second connecting part 112; the second connecting part 112 has a second mounting part 1121 for connecting to the vehicle motor 3 at one end away from the first connecting part 111. It should be noted that the high-voltage connector 11 is not limited to connecting only to the vehicle controller 12 and the vehicle motor 3; the high-voltage connector 11 can also connect to two other components according to actual needs.

[0029] In this invention, the end of the first connecting portion 111 away from the second connecting portion 112 is provided with a first mounting portion 1111 for connecting the vehicle motor controller 12; the end of the second connecting portion 112 away from the first connecting portion 111 is provided with a second mounting portion 1121 for connecting the vehicle motor 3; the vehicle motor controller 12 is connected to the vehicle motor 3 through the high-voltage connector 11, avoiding the need for the vehicle motor controller 12 to connect to the vehicle motor 3 through a high-voltage wiring harness, thereby avoiding problems such as unreliable connection, easy breakage, and sealing failure of the high-voltage wiring harness due to swaying during vehicle operation, and improving the stability of the vehicle. Furthermore, in this invention, the vehicle motor 3 and vehicle controller 12 connected by the high-voltage connector 11 have a compact structure and occupy little space, facilitating their installation on the vehicle and further improving the vehicle's stability.

[0030] In one embodiment, such as Figure 1As shown, the first mounting portion 1111 includes a plurality of first mounting holes 1112 arranged at intervals, and a first partition boss 1113 arranged between adjacent two first mounting holes 1112; the first mounting portion 1111 is connected with the motor controller 12 through the plurality of first mounting holes 1112; it can be understood that the number of the first mounting holes 1112 can be set according to actual needs, and preferably, the number of the first mounting holes 1112 is set to three; specifically, the motor controller 12 is connected with the first connecting portion 111 by a first bolt penetrating through the adapter copper bar 121 and inserted into the first mounting hole 1112, which is simple and reliable in connection, convenient in installation, low in cost, and conducive to mass production of the high-voltage connector 11. In addition, the first partition boss 1113 is arranged between adjacent two first mounting holes 1112, which can avoid the adapter copper bar 121 at the position of the first mounting hole 1112 from being contacted and rotated, thereby avoiding the risk of short circuit.

[0031] The second mounting portion 1121 includes a plurality of second mounting holes 1122 arranged at intervals, and a second partition boss 1123 arranged between adjacent two second mounting holes 1122; the second mounting portion 1121 is connected with the motor 3 through the plurality of second mounting holes 1122; it can be understood that the number of the second mounting holes 1122 can be set according to actual needs, and preferably, the number of the second mounting holes 1122 is set to three; specifically, the motor 3 is connected with the second connecting portion 112 by a second bolt penetrating through the motor wire 33 bundle and inserted into the second mounting hole 1122, which is simple and reliable in connection, convenient in installation, low in cost, and conducive to mass production of the high-voltage connector 11. In addition, the second partition boss 1123 is arranged between adjacent two second mounting holes 1122, which can avoid the motor wire 33 at the position of the adjacent two second mounting holes 1122 from being contacted and rotated, thereby avoiding the risk of short circuit.

[0032] In an embodiment, as shown in Figure 1 As shown, the high-voltage connector 11 further includes a mounting plate 113 provided with a third mounting hole 1131, and the first connecting portion 111 is connected with the second connecting portion 112 through the mounting plate 113; the mounting plate 113 is mounted on the automobile reducer shell 2 through the third mounting hole 1131. Preferably, the first connecting portion 111, the second connecting portion 112, and the mounting plate 113 are of an integral molding structure, and the high-voltage connector 11 of the integral molding structure has higher strength and rigidity; specifically, the high-voltage connector 11 is fixedly mounted on the automobile reducer shell 2 through a bolt penetrating through the third mounting hole 1131, which is stable in installation and simple in connection.

[0033] As Figure 2 and Figure 3 Another embodiment of the present application also provides an electric control connection structure 1, comprising the high-voltage connector 11 and the automobile motor controller 12 installed on the automobile decelerator shell 2; the automobile motor controller 12 comprises a copper adapter 121, and the copper adapter 121 is provided with a first through hole; the motor controller is connected with the first mounting part 1111 through a first fixing part 122 penetrating through the first through hole. It can be understood that the copper adapter 121 is in a thin-walled structure, the automobile controller is connected with the first mounting part 111 through the first fixing part 122 penetrating through the first through hole and inserted into the first mounting hole 1112, and the first fixing part 122 comprises but is not limited to a bolt. The electric control connection structure 1 connected through the bolt (the first fixing part 122 penetrating through the first through hole and inserted into the first mounting hole 1112) has a simple structure and is convenient to install, and is beneficial to mass production of the electric control connection structure 1.

[0034] As a preferred, the high-voltage connector 11 is directly integrated on the automobile motor controller 12, and when the high-voltage connector 11 is installed, the high-voltage connector 11 is only needed to be installed on the automobile decelerator shell 2, so that the compactness and stability of the electric control connection structure 1 are further improved.

[0035] As Figure 2 and Figure 3 Another embodiment of the present application also provides a hybrid drive system, comprising the automobile decelerator shell 2, the automobile motor 3 and the electric control connection structure 1; the automobile decelerator shell 2 is provided with a containing groove 21 for installing the automobile motor 3 and a first mounting groove 22 communicating with the containing groove 21; the motor controller is further provided with a second mounting groove 123; the first mounting part 111 is installed in the second mounting groove 123, and the second mounting part 112 is installed in the first mounting groove 22; the automobile motor controller 12 is electrically connected with the automobile motor 3 through the high-voltage connector. It can be understood that a transmission body is further installed in the containing groove 21, the transmission body is connected with the motor, and the motor is connected with left and right half shafts of the automobile through the transmission body, so that the effect of rotating the automobile wheels is realized.

[0036] In the application, the automobile motor controller 12 is connected with the automobile motor 3 through the high-voltage connector 11, and the high-voltage connector 11 is installed in the first installation groove 22 of the automobile reducer shell 2, so that the automobile motor controller 12 is connected with the automobile motor 3 through the high-voltage wire harness, the compactness of the hybrid power driving system is improved, the hybrid power driving system occupies small space, and is beneficial to be mounted on the automobile; in addition, the high-voltage connector 11 is directly installed in the first installation groove 22, the structure is stable, and the problems of unreliable connection, easy breakage and sealing failure of the high-voltage wire harness due to swing during automobile driving are avoided.

[0037] In an embodiment, as shown in Figure 1 and Figure 3 The first connecting part 111 is provided with a first sealing ring 1114, and the first connecting part 111 is sealingly installed in the second installation groove 123 through the first sealing ring 1114. Understandably, the first sealing ring 1114 can prevent external moisture and impurities from entering the automobile motor controller 12 through the second installation groove 123, thereby causing short circuit and other problems of the automobile motor controller 12.

[0038] The second connecting part 112 is provided with a second sealing ring 1124, and the second connecting part 112 is sealingly installed in the first installation groove 22 through the second sealing ring 1124. Understandably, the second sealing ring 1124 can prevent external moisture and impurities from entering the containing groove 21 of the automobile reducer shell 2 through the first installation groove 22, thereby causing failure of the automobile motor 3 and the reducer body, and preventing oil of the automobile motor 3 and the reducer body from leaking through the second installation groove 123. In the application, the service life of the hybrid power driving system is prolonged through the design of the first sealing ring 1114 and the second sealing ring 1124.

[0039] In an embodiment, as shown in Figure 1 The first connecting part 111 is provided with a first sealing ring 1114, and the first connecting part 111 is sealingly installed in the second installation groove 123 through the first sealing ring 1114. Understandably, the first sealing ring 1114 can prevent external moisture and impurities from entering the automobile motor controller 12 through the second installation groove 123, thereby causing short circuit and other problems of the automobile motor controller 12.

[0040] In an embodiment, as shown in Figure 2As shown in the figure, the automobile motor 3 comprises a driving motor 31 and a generator 32; the electric control connection structure 1 comprises two high-voltage connectors 11; the automobile motor 3 controller is connected with the driving motor 31 and the generator 32 through the two high-voltage connectors 11. It can be understood that the automobile reducer shell 2 is provided with two first mounting grooves 22 for mounting the two high-voltage connectors 11, and in the present application, the hybrid power driving system is integrated with the generator 32 and the driving motor 31, so that the hybrid power driving system can be applied to pure electric vehicles and hybrid electric vehicles, thereby improving the versatility and applicability of the hybrid power driving system.

[0041] In an embodiment, as shown in the figure, the automobile motor 3 comprises a motor wire 33 provided with a second through hole; the automobile motor 3 is connected with the second mounting portion 1121 through a second fixing member 34 penetrating through the second through hole. Figure 3 It can be understood that the motor wire 33 is in a sheet structure, the automobile motor 3 is connected with the second connecting portion 112 through the second fixing member 34 penetrating through the second through hole and inserted into the second mounting hole 1122, and the second fixing member 34 comprises but is not limited to a bolt and the like. The hybrid power driving system is connected through the bolt (the second fixing member 34 penetrating through the second through hole and inserted into the second mounting hole 1122), which has a simple structure, is convenient to install, and is conducive to mass production of the hybrid power driving system.

[0042] Another embodiment of the present application further provides an automobile comprising the hybrid power driving system.

[0043] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hybrid drive system characterized by comprising: The application relates to a motor vehicle decelerator shell, a motor vehicle motor and an electric control connecting structure; the electric control connecting structure comprises a high-voltage connector and a motor vehicle motor controller mounted on the motor vehicle decelerator shell. The high-voltage connector comprises a first connecting part and a second connecting part which are both mounted in the motor vehicle decelerator shell; the second connecting part is connected to the first connecting part. The first connecting part is provided with a first mounting part for connecting the motor vehicle motor controller at one end away from the second connecting part; the second connecting part is provided with a second mounting part for connecting the motor vehicle motor at one end away from the first connecting part. The motor vehicle motor controller comprises a copper busbar which is provided with a first through hole; the motor vehicle motor controller is connected to the first mounting part through a first fixing member penetrating through the first through hole. The motor vehicle motor comprises a motor wire which is provided with a second through hole; the motor vehicle motor is connected to the second mounting part through a second fixing member penetrating through the second through hole. The motor vehicle decelerator shell is provided with a containing groove for mounting the motor vehicle motor and a first mounting groove in communication with the containing groove; the motor vehicle motor controller is further provided with a second mounting groove; the first connecting part is mounted in the second mounting groove and the second connecting part is mounted in the first mounting groove; the motor vehicle motor controller is electrically connected to the motor vehicle motor through the high-voltage connector. The motor vehicle motor comprises a driving motor and a generator; the electric control connecting structure comprises two high-voltage connectors; the motor vehicle motor controller is connected to the driving motor and the generator through the two high-voltage connectors respectively. The first connecting part is provided with a first sealing ring; the first connecting part is sealingly mounted in the second mounting groove through the first sealing ring. The second connecting part is provided with a second sealing ring; the second connecting part is sealingly mounted in the first mounting groove through the second sealing ring.

2. The hybrid drive system of claim 1, wherein The first connecting part is further provided with a shielding ring for shielding external signals from interfering with the motor vehicle motor controller.

3. The hybrid drive system of claim 1, wherein The first mounting part comprises a plurality of first mounting holes arranged at intervals and a first separation boss arranged between two adjacent first mounting holes; the first mounting part is connected to the motor vehicle motor controller through the plurality of first mounting holes. The second mounting part comprises a plurality of second mounting holes arranged at intervals and a second separation boss arranged between two adjacent second mounting holes; the second mounting part is connected to the motor vehicle motor through the plurality of second mounting holes.

4. The hybrid drive system of claim 3, wherein The high-voltage connector further comprises a mounting plate provided with a third mounting hole; the first connecting part is connected to the second connecting part through the mounting plate; the mounting plate is mounted on the motor vehicle decelerator shell through the third mounting hole.

5. An automobile characterized by comprising: The application further relates to a hybrid drive system comprising the motor vehicle decelerator shell, the motor vehicle motor and the electric control connecting structure.

Citation Information

Patent Citations

  • Multi-core angle connector for motor and motor controller

    CN106450833A

  • Reduction case of hybrid electric vehicle

    CN203823013U

  • With motor and reduction gear integrated machine controller

    CN207968220U

  • High voltage connector subassembly for new energy automobile

    CN208368874U

  • High-voltage connector, electric control connecting structure, hybrid power driving system and automobile

    CN213472774U