Electronic control unit and steer-by-wire system

Abstract

The utility model relates to the technical field of steering systems, in particular to an electronic control unit and a steer-by-wire system. The electronic control unit comprises a first packaging shell, and the first packaging shell is provided with a motor positioning interface; and the plurality of connectors are arranged at the periphery of the motor positioning interface, and the channel direction of the connectors is perpendicular to the positioning direction of the motor positioning interface. According to the utility model, the packaging shell of the electronic control unit is integrated with the positioning interface of the motor, so that the connection and installation of the motor and the electronic control unit are facilitated, the motor is positioned by using the motor positioning interface during installation, and the motor shell is fixedly connected with the motor positioning interface without the help of other positioning structures and connecting structures; installation space can be saved, and assembly and arrangement of the motor and other devices are facilitated. The electronic control unit provided by the utility model is especially suitable for the steer-by-wire system, and can meet the connection and installation of a motor, the electronic control unit and other devices of the steer-by-wire system.

Description

Technical Field

[0001] The utility model relates to the technical field of steering systems, in particular to an electronic control unit and a wire-controlled steering system. Background Art

[0002] In the vehicle's steering system, the Electronic Control Unit (ECU) needs to be connected to the motor. Traditionally, the ECU and the motor are independent of each other, and the connection and installation of the two requires the help of an additional positioning structure, which is not only inconvenient to operate, but also takes up space.

[0003] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the utility model, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0004] In view of this, the utility model provides an electronic control unit and a steer-by-wire system, which integrate the packaging shell of the electronic control unit with the positioning interface of the motor, thereby facilitating the connection and installation of the motor and the electronic control unit and saving installation space.

[0005] One aspect of the utility model provides an electronic control unit, including a first packaging shell, on which are provided: a motor positioning interface; and a plurality of connectors arranged on the periphery of the motor positioning interface, wherein the channel direction of the connectors is perpendicular to the positioning direction of the motor positioning interface.

[0006] In some embodiments, the plurality of connectors are arranged on the same side of the first encapsulating shell; and / or, passage openings of the plurality of connectors face the same side of the first encapsulating shell.

[0007] In some embodiments, the motor positioning interface includes two motor positioning interfaces symmetrically arranged relative to a center line of the first packaging shell.

[0008] In some embodiments, the plurality of connectors are symmetrically arranged relative to a center line of the first packaging shell.

[0009] In some embodiments, a first positioning hole structure is disposed in the motor positioning interface; and / or a second positioning hole structure is disposed on an outer edge of the motor positioning interface.

[0010] In some embodiments, a mounting hole structure is provided on the outer edge of the motor positioning interface.

[0011] In some embodiments, the first packaging shell is further provided with: a connector extension point.

[0012] In some embodiments, the electronic control unit further includes: a motor housing fixedly assembled with the motor positioning interface, and the channel direction of the connector is perpendicular to the axial direction of the motor housing.

[0013] In some embodiments, the electronic control unit further includes: a circuit board; and a second packaging shell, wherein the second packaging shell and the first packaging shell encapsulate the circuit board.

[0014] Another aspect of the present invention provides a steer-by-wire system, wherein the steer-by-wire system is configured with an electronic control unit as described in any of the above embodiments.

[0015] Compared with the prior art, the beneficial effects of the present invention include at least:

[0016] The utility model integrates the packaging shell of the electronic control unit with the positioning interface of the motor, which is convenient for connecting and installing the motor and the electronic control unit. During installation, the motor is positioned using the motor positioning interface, and the motor shell and the motor positioning interface are fixedly connected. There is no need to rely on other positioning structures and connecting structures, which can save installation space.

[0017] The electronic control unit of the utility model arranges the connector on the periphery of the motor positioning interface to avoid affecting the installation of the motor and facilitates the connection between other devices and the electronic control unit; the channel direction of the connector is perpendicular to the positioning direction of the motor positioning interface, and the positioning direction of the motor positioning interface is the axial direction of the motor, which can facilitate the assembly and arrangement of the motor and other devices.

[0018] The electronic control unit of the utility model is particularly suitable for a wire-controlled steering system and can meet the connection and installation requirements of a motor, an electronic control unit and other devices of the wire-controlled steering system.

[0019] It should be understood that the above general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings herein are incorporated into the specification and constitute a part of the specification, showing embodiments consistent with the present utility model, and together with the specification, are used to explain the principles of the present utility model. Obviously, the drawings described below are only some embodiments of the present utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 A schematic diagram of the exploded structure of the electronic control unit in the embodiment of the utility model is shown;

[0022] Figure 2A schematic diagram of the three-dimensional structure of the electronic control unit in the embodiment of the utility model is shown with the motor housing hidden;

[0023] Figure 3 and Figure 4 A schematic diagram of the top view of the electronic control unit in an embodiment of the utility model is shown with the motor housing hidden. DETAILED DESCRIPTION

[0024] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein. Instead, these embodiments are provided so that the present invention will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their repeated description will be omitted.

[0025] The words "first", "second" and similar words used in the specific description do not indicate any order, quantity or importance, but are only used to distinguish different components. The orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, they cannot be understood as limitations on the present utility model. The term "plurality" means two or more, unless otherwise clearly and specifically defined. In addition, in the description of the present utility model, when it is said that a device is "connected" to another device, this includes not only the case of direct connection, but also the case of indirect connection through other elements.

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in different embodiments may be combined with each other.

[0027] Figure 1 The exploded structure of the electronic control unit in the embodiment of the utility model is shown in FIG. Figure 2 The three-dimensional structure of the electronic control unit in the embodiment of the utility model without the motor housing is shown. Figure 3 and Figure 4 The top view structure of the electronic control unit in the embodiment of the utility model is shown, with the motor housing hidden; Figures 1 to 4 As shown, the electronic control unit provided by the embodiment of the utility model includes a first packaging shell 10, and the first packaging shell 10 is provided with:

[0028] Motor positioning interface 11;

[0029] A plurality of connectors 12 are arranged at the periphery of the motor positioning interface 11 , and the channel direction of the connectors 12 is perpendicular to the positioning direction of the motor positioning interface 11 .

[0030] The utility model integrates the packaging shell of the electronic control unit with the positioning interface of the motor, which facilitates the connection and installation of the motor and the electronic control unit. During installation, the motor is positioned using the motor positioning interface 11, and the motor shell 20 is fixedly connected to the motor positioning interface 11. There is no need to rely on other positioning structures and connecting structures, which can save installation space.

[0031] The electronic control unit of the present invention arranges the connector 12 on the periphery of the motor positioning interface 11 to avoid affecting the installation of the motor and facilitate the connection between other devices and the electronic control unit; the channel direction of the connector 12 (along the planar direction of the first packaging shell 10) is perpendicular to the positioning direction of the motor positioning interface 11 (along the vertical direction of the first packaging shell 10), and the positioning direction of the motor positioning interface 11 is the axial direction of the motor, which can facilitate the assembly and arrangement of the motor and other devices.

[0032] The electronic control unit of the utility model adopts a lightweight and miniaturized design as a whole, which can meet the lightweight design requirements of the vehicle and save assembly space in the vehicle.

[0033] The electronic control unit of the utility model is particularly suitable for a wire-controlled steering system and can meet the connection and installation requirements of a motor, an electronic control unit and other devices of the wire-controlled steering system.

[0034] In some embodiments, the plurality of connectors 12 are arranged on the same side of the first encapsulating housing 10 ; and / or the passage openings of the plurality of connectors 12 face the same side of the first encapsulating housing 10 .

[0035] Multiple connectors 12 are arranged on the same side of the first packaging shell 10, and the channel openings of the multiple connectors 12 are facing the same side of the first packaging shell 10, which can facilitate the connection between other devices and the electronic control unit, so that only one surface direction needs to be reserved when assembling the electronic control unit, which makes more effective use of the assembly space in the vehicle and the layout space of the circuit board 30 of the electronic control unit, so that more plane area is reserved on the circuit board 30 for the layout of electronic components.

[0036] In some embodiments, the motor positioning interface 11 includes two motor positioning interfaces 11 symmetrically arranged relative to a center line Z of the first packaging housing 10 .

[0037] The two motor positioning interfaces 11 can meet the requirements of arranging dual motors in the wire-controlled steering system, realize dual redundant design, and have a higher safety level; the two motor positioning interfaces 11 are symmetrically arranged relative to the center line Z of the first packaging shell 10, so that the electronic control unit is stable and reliable as a whole after the motor is installed.

[0038] In some embodiments, multiple connectors 12 are symmetrically arranged relative to the center line Z of the first packaging shell 10. In this way, the interface of the connector 12 can be conveniently used, the connection between other devices and the connector 12 can be conveniently connected, and the overall structure of the connector 12 and other devices after installation and connection is stable and reliable.

[0039] In some embodiments, a first positioning hole structure 111 is provided in the motor positioning interface 11. The first positioning hole structure 111 is used for positioning when the motor is installed; a plurality of first positioning hole structures 111 can be provided as needed. Figures 1 to 4 It is shown that four first positioning hole structures 111 are provided in the motor positioning interface 11 , but the present invention is not limited thereto.

[0040] In some embodiments, the outer edge of the motor positioning interface 11 is provided with a second positioning hole structure 112. The second positioning hole structure 112 is used to position the motor housing 20 when it is installed; the second positioning hole structure 112 is provided on the outer edge of the motor positioning interface 11 and does not occupy the installation space of the motor body to avoid affecting the installation of the motor.

[0041] In some embodiments, the outer edge of the motor positioning interface 11 is provided with a mounting hole structure 113. The mounting hole structure 113 is connected and fixed to the motor housing 20; the mounting hole structure 113 is provided at the outer edge of the motor positioning interface 11, and does not occupy the installation space of the motor body to avoid affecting the installation of the motor. The mounting hole structure 113 is, for example, a threaded hole, but is not limited thereto.

[0042] In some embodiments, a connector extension point 12' is further provided on the first packaging shell 10. According to design requirements, a connector can be further provided at the connector extension point 12'.

[0043] For example, Figure 3 A common electronic control unit suitable for a steer-by-wire system is shown, which is provided with three groups of connectors (six connectors 12 in total); Figure 4 The figure shows a standard electronic control unit suitable for a steer-by-wire system, which is provided with four groups of connectors (seven connectors in total), and the connector further provided at the connector extension point 12' is a Reach & Rack connector 12".

[0044] In some embodiments, the electronic control unit further includes: a motor housing 20 fixedly assembled with the motor positioning interface 11 , and a channel direction of the connector 12 is perpendicular to the axial direction of the motor housing 20 .

[0045] The electronic control unit of the present invention is integrated with the motor housing 20 (the motor is accommodated in the motor housing 20 ), so as to facilitate the connection and installation of the motor and the electronic control unit.

[0046] In some embodiments, the electronic control unit further includes: a circuit board 30; and a second packaging shell 40, wherein the second packaging shell 40 and the first packaging shell 10 package the circuit board 30. In this way, the packaging forms a complete electronic control unit.

[0047] The present invention also provides a wire-controlled steering system, which is equipped with an electronic control unit as described in any of the above embodiments and has the following advantages:

[0048] The packaging shell of the electronic control unit is integrated with the positioning interface of the motor, which is convenient for connecting and installing the motor and the electronic control unit. During installation, the motor is positioned using the motor positioning interface 11, and the motor shell 20 is fixedly connected to the motor positioning interface 11, without the need for other positioning structures and connection structures, which can save installation space;

[0049] The connector 12 is arranged at the periphery of the motor positioning interface 11 to avoid affecting the installation of the motor and facilitate the connection of other devices with the electronic control unit; the channel direction of the connector 12 is perpendicular to the positioning direction of the motor positioning interface 11, and the positioning direction of the motor positioning interface 11 is the axial direction of the motor, which facilitates the assembly and arrangement of the motor and other devices;

[0050] The overall electronic control unit adopts a lightweight and miniaturized design, which can meet the lightweight design of the vehicle and save the assembly space in the vehicle;

[0051] The electronic control unit is applied to the steer-by-wire system, which can meet the connection and installation requirements of the motor, electronic control unit and other components of the steer-by-wire system, and realize dual redundant design to improve the safety level of the steer-by-wire system.

[0052] The electronic control unit of the utility model is particularly suitable for a wire-controlled steering system and can meet the connection and installation requirements of a motor, an electronic control unit and other devices of the wire-controlled steering system.

[0053] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. An electronic control unit, comprising a first packaging shell, characterized in that: The first packaging shell is provided with: Motor positioning interface; A plurality of connectors are arranged at the periphery of the motor positioning interface, and the channel direction of the connectors is perpendicular to the positioning direction of the motor positioning interface.

2. The electronic control unit according to claim 1, characterized in that: The plurality of connectors are arranged on the same side of the first packaging shell; and / or The passage openings of the plurality of connectors face the same side of the first packaging shell.

3. The electronic control unit according to claim 1, characterized in that: The motor positioning interfaces include two interfaces that are symmetrically arranged relative to a center line of the first packaging shell.

4. The electronic control unit according to claim 1, characterized in that: The plurality of connectors are symmetrically arranged relative to a center line of the first packaging housing.

5. The electronic control unit according to claim 1, characterized in that: A first positioning hole structure is provided in the motor positioning interface; and / or A second positioning hole structure is arranged on the outer edge of the motor positioning interface.

6. The electronic control unit according to claim 1, characterized in that: The outer edge of the motor positioning interface is provided with a mounting hole structure.

7. The electronic control unit according to claim 1, characterized in that: The first packaging shell is also provided with: Connector extension points.

8. The electronic control unit according to any one of claims 1 to 7, characterized in that: Also includes: The motor housing is fixedly assembled with the motor positioning interface, and the channel direction of the connector is perpendicular to the axial direction of the motor housing.

9. The electronic control unit according to claim 8, characterized in that: Also includes: Circuit boards; A second packaging shell, wherein the second packaging shell and the first packaging shell package the circuit board.

10. A steer-by-wire system, characterized in that: The steer-by-wire system is equipped with an electronic control unit as claimed in any one of claims 1-9.

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