CN220535756U

CN220535756U - Steering gear and vehicle

Info

Publication number: CN220535756U
Application number: CN202321855832.2U
Authority: CN
Inventors: 张鹏
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-02-27
Anticipated expiration: 2033-07-13

Abstract

The utility model provides a steering gear and a vehicle. The diverter includes a housing and a liquid sensing element. The liquid sensing element is arranged in the shell, and the first liquid sensing element is used for detecting liquid in the shell. The steering gear has the function of detecting liquid penetration, and is beneficial to improving the running safety of the whole vehicle.

Description

Steering gear and vehicle

Technical Field

The present utility model relates generally to the technical field of automotive electronics, and more particularly to a steering gear and a vehicle.

Background

At present, if active or passive damage occurs in the running process of the whole automobile, the sealing performance of the system can be invalid or reduced, and liquid such as engine oil, lubricating liquid, brake liquid or antifreeze liquid can be diffused after entering the inside of the steering gear shell, so that important elements of the steering gear are soaked by the liquid to be invalid, and the running safety is not facilitated.

Disclosure of Invention

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above-described problems, a first aspect of the present utility model provides a steering gear for a vehicle, the steering gear comprising:

a housing; and

the first liquid sensing element is arranged in the shell and is used for detecting liquid in the shell.

According to the steering gear disclosed by the utility model, the liquid which permeates into the shell is sensed by the liquid sensing element, so that the steering gear is prevented from being soaked by the liquid to damage and lose efficacy, and the driving safety of the whole automobile is favorably maintained.

Optionally, the method further comprises:

the steering mechanism is arranged on the shell and is used for driving wheels of the vehicle to steer;

an input shaft connected to the steering mechanism for driving the steering mechanism;

a motor connected to the steering mechanism for driving the steering mechanism; and

and the first controller is electrically connected with the motor and is used for controlling the motor to drive.

Optionally, the first liquid sensing element is disposed at an inner bottom of the housing.

Optionally, the first controller includes:

a controller housing connected to the housing, the controller housing having a second liquid sensing element disposed therein; and

the first control module is arranged in the controller shell.

Optionally, the second liquid sensing element is disposed at an inner bottom of the first control module or the controller housing.

Optionally, the motor includes:

a motor housing connected to the housing, the motor housing having a second liquid sensing element disposed therein; and

the second control module is arranged in the motor shell.

Optionally, the second liquid sensing element is disposed at an inner bottom of the second control module or the motor housing.

A second aspect of the utility model provides a vehicle comprising: a diverter according to the above, the diverter comprising a liquid sensing element;

the second controller is electrically connected with the liquid sensing element and is used for receiving the liquid sensing signal transmitted by the liquid sensing element and selecting whether to send out early warning information or not; and

the early warning prompter is electrically connected with the second controller and used for prompting the early warning information.

According to the vehicle disclosed by the second aspect of the utility model, the liquid which permeates into the shell is sensed by the liquid sensing element, so that important parts of the steering gear are prevented from being soaked by the liquid to damage and lose efficacy, and the running safety of the whole vehicle is favorably maintained.

Optionally, the vehicle further comprises a driving assistance system, and the second controller is configured to: controlling the auxiliary driving system to be closed according to the liquid sensing signal; and/or

The second controller is connected with a manufacturer cloud server of the vehicle, and the second controller is configured to: and generating alarm information according to the liquid sensing signal, and sending the alarm information to a factory cloud server.

Optionally, the steering device includes a first controller, and the second controller is a whole vehicle controller of the vehicle, the first controller, or other controllers of the vehicle.

Drawings

The following drawings of embodiments of the present utility model are included as part of the utility model. Embodiments of the present utility model and their description are shown in the drawings to explain the principles of the utility model. In the drawings of which there are shown,

FIG. 1 is a schematic perspective view of a steering gear according to a preferred embodiment of the present utility model;

FIG. 2 is a front view of the housing of the diverter of FIG. 1;

FIG. 3 is a top view of the housing of the diverter of FIG. 1;

FIG. 4 is a schematic view of a first housing of the enclosure of FIG. 3;

FIG. 5 is a schematic view of the mounting position of the liquid sensing element in the first housing;

FIG. 6 is a schematic cut-away view of the controller and motor along the motor axis; and

fig. 7 is a schematic cross-sectional view taken along line A-A of fig. 6.

Description of the reference numerals

100: the casing 101: first shell

102: the second case 110: input shaft

120: the first controller 121: controller shell

122: the first control module 130: motor with a motor housing

131: motor housing 132: second control module

133: motor shaft 134: bearing

140: first liquid sensing element

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that embodiments of the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the embodiments of the utility model.

Herein, ordinal words such as "first" and "second" cited in the present utility model are merely identifiers and do not have any other meaning, such as a particular order or the like. Also, for example, the term "first component" does not itself connote the presence of "second component" and the term "second component" does not itself connote the presence of "first component".

In this document, "upper", "lower", "front", "rear", "left", "right", and the like are used merely to indicate relative positional relationships between the relevant portions, and do not limit the absolute positions of the relevant portions.

Herein, "equal," "same," etc. are not strictly mathematical and/or geometric limitations, but also include deviations that may be appreciated by those skilled in the art and allowed by fabrication or use, etc.

Unless otherwise indicated, numerical ranges herein include not only the entire range within both of its endpoints, but also the several sub-ranges contained therein.

Fig. 1 to 7 show a steering gear according to the present utility model for a vehicle, the steering gear including a housing 100 and a first liquid sensing element 140. The first liquid sensing element 140 is disposed in the casing 100, and the first liquid sensing element 140 is used for detecting liquid in the casing 100.

According to the steering gear disclosed by the utility model, the liquid which permeates into the machine shell 100 is sensed by the liquid sensing element 140, so that the steering gear is prevented from being soaked by the liquid to damage and lose efficacy, and the driving safety of the whole vehicle is favorably maintained.

Further, a steering mechanism (not shown), an input shaft 110, a motor 130, and a first controller 120 are also included. A steering mechanism is provided to the casing 100, the steering mechanism being for driving wheels of a vehicle to steer. The input shaft 110 is connected to a steering mechanism for driving the steering mechanism. The motor 130 is connected to the steering mechanism for driving the steering mechanism. The first controller 120 is electrically connected to the motor 130 for controlling the driving of the motor 130. Alternatively, the steering wheel of the vehicle is connected to the input shaft 110, the steering wheel drives the input shaft 110 to rotate, the steering mechanism can be driven, and the first controller 120 can control the motor 130 by sensing the torque of the input shaft 110 and the rotation angle of the steering wheel, so as to drive the steering mechanism, and form steering assistance, so that the steering of the vehicle is lighter.

Referring to fig. 1 and 2, the casing 100 includes a first case 101 and a second case 102, the first case 101 and the second case 102 are fixed, and an input shaft 110, a motor 130, and a first controller 120 are all disposed at the first case 101. Alternatively, the steering mechanism includes a first gear and a rack, the first gear being disposed within the first housing 101 and connected to the input shaft 110. A rack is provided in the first case 101 and the second case 102, both ends of the rack are connected to two wheels of a vehicle, respectively, and the first gear is engaged with the rack. When the input shaft 110 rotates, the first gear rotates, driving the rack to move, thereby towing the two wheels of the vehicle for steering.

Alternatively, referring to fig. 6, the first controller 120 includes a controller housing 121 and a first control module 122. The controller case 121 is provided to the first case 101 and is fixed to the first case 101. The first control module 122 is disposed in the controller housing 121.

Optionally, the motor 130 includes a motor housing 131, a motor body, and a second control module 132. The motor housing 131 is provided to the first housing 101 and is fixed to the first housing 101.

The motor body includes a stator, a rotor, and a motor shaft 133. A bearing 134 is provided in the motor housing 131, and a motor shaft 133 is provided in the motor housing 131 and is penetrated to the bearing 134, so that the motor shaft 133 is rotatably connected with the motor housing 131. A stator (not shown) is provided in the motor housing 131, a rotor is sleeved to the motor shaft 133 and fixed with the motor shaft 133, and the stator is sleeved to the outside of the rotor.

Optionally, a second control module 132 is disposed inside the motor housing 131, and the second control module 132 is electrically connected to the rotor for driving the rotor and the motor shaft 133.

Further, the first control module 122 is electrically connected to the second control module 132, and the first control module 122 is used for controlling the current direction and the magnitude of the second control module 132 connected to the rotor to control the rotation direction and the rotation torque of the rotor.

Alternatively, one end of the motor shaft 133 extends out of the motor housing 131 and is penetrated to the second housing 102, and the end of the motor shaft 133 located in the second housing 102 is provided with a second gear engaged with the rack, and when the motor shaft 133 rotates, the second gear rotates and drives the rack to move, thereby steering the wheels of the traction vehicle.

Alternatively, referring to fig. 5, a first liquid sensing element 140 is provided at the inner bottom of the first case 101 for sensing liquid within the cabinet 100. As an alternative, the first liquid sensing element 140 may be a humidity sensor to sense the moisture in the casing 100, so as to prevent the water in the casing 100 from leaking to affect the steering performance of the steering mechanism.

Optionally, a second liquid sensing element (not shown) is disposed within the controller housing 121 to sense moisture of the first controller 120. The second liquid sensing element is disposed on the first control module 122, and is configured to detect the liquid permeated into the first control module 122, and prevent the liquid from permeating into the first control module 122 to affect the steering of the vehicle to prevent the occurrence of safety accidents. And, the second liquid sensing element is integrated to the first control module 122, which is convenient for manufacturing.

Optionally, a second liquid sensing element is disposed at an inner bottom portion of the controller housing 121 for detecting liquid penetration into the controller housing 121 to detect liquid penetration before the liquid contacts the first control module 122.

Optionally, the motor 130 is also provided with a second liquid sensing element. Specifically, the second liquid sensing element may be disposed in the second control module 132, and configured to detect the liquid permeated into the second control module 132, so as to prevent the liquid from permeating into the second control module 132 to affect the steering of the vehicle and prevent the occurrence of safety accidents. And, the second liquid sensing element is integrated to the second control module 132, which is convenient for manufacturing. The second liquid sensing element may also be disposed at an inner bottom of the motor housing 131 for detecting the liquid permeated into the motor housing 131, so as to prevent the motor 130 from being damaged, resulting in a reduced steering performance of the vehicle or even failure to cause a safety accident.

The liquid penetrating into the steering gear according to the present embodiment may be water, engine oil, lubricant, brake fluid, or a mixture of liquids. And the liquid sensing element (including the first liquid sensing element 140 and the second liquid sensing element) may be selected as a humidity resistance or a photo-electric level gauge to detect whether the inside of the casing 100, the controller housing 121 or the motor housing 131 is permeated with liquid.

The utility model also provides a vehicle comprising the steering gear, a second controller (not shown in the figure) and an early warning prompter. The diverter includes a liquid sensing element (including a first liquid sensing element 140 and a second liquid sensing element). The second controller is electrically connected with the liquid sensing element and is used for receiving the liquid sensing signal transmitted by the liquid sensing element and selecting whether to send out early warning information. The early warning prompter is electrically connected with the second controller and is used for prompting early warning information. According to the vehicle disclosed by the utility model, the liquid which permeates into the shell 100 is sensed by the liquid sensing element, so that important parts of the steering gear are prevented from being soaked by the liquid to damage and lose efficacy, and the running safety of the whole vehicle is favorably maintained.

Alternatively, the warning prompter may be an instrument part of the vehicle (instrument desk, center console, streaming media display, multimedia display screen, etc.). Alternatively, the early warning prompter may be a sound system of the vehicle, and early warning information is broadcasted through sound.

Optionally, the vehicle according to the utility model further comprises a driving assistance system, the second controller being configured to: and controlling the auxiliary driving system to be closed according to the liquid sensing signal. If the first controller 120 permeates liquid, the first controller 120 may fail, and further the auxiliary driving system related to the first controller 120 is out of control, so that the second controller is set, and the driving safety of the vehicle is further improved.

Optionally, the second controller is connected to a manufacturer cloud server of the vehicle, and the second controller is configured to: and generating alarm information according to the liquid sensing signal, and sending the alarm information to a factory cloud server. If the liquid sensing element senses liquid penetration, the second controller receives the liquid sensing signal and generates alarm information, then the second controller sends the alarm information to the cloud server of the manufacturer, the manufacturer or a 4s shop can inform a driver through a special person, the driver is reminded of continuing to drive the vehicle to have higher risk, the driver is reminded of going to the shop to repair and maintain, and driving safety is ensured.

In summary, the vehicle according to the above adopts different control strategies according to the liquid sensing signal by detecting the liquid penetrating into the steering gear. The control strategy is as follows:

1. when the liquid amount detected by the liquid sensing element is higher than a first set value, the second controller sends early warning information to the early warning prompter to prompt a driver to overhaul as soon as possible;

2. when the liquid amount detected by the liquid sensing element is higher than a second set value (the second set value is higher than the first set value), the vehicle keeps the early warning measures of the control strategy 1, and meanwhile, the advanced driving functions of the steering gear such as an auxiliary driving system and the like are closed, so that steering of the vehicle is prevented from being out of control, and the risk is reduced;

3. when the liquid amount detected by the liquid sensing element is higher than a third set value (the third set value is higher than the second set value), the vehicle keeps the early warning measures of the control strategy 1 and the control strategy 2, meanwhile, the second controller sends warning information to a cloud server of a manufacturer, the manufacturer or a 4s shop informs a driver through a special person, the driver is reminded of continuing to drive the vehicle to have higher risk, the driver is reminded of going to the shop to repair and maintain, and the driving safety is ensured.

The first set point, the second set point, and the third set point are determined in an actual test structure and an actual vehicle.

Alternatively, the second controller is an overall vehicle controller of the vehicle, the first controller 120, or other controllers of the vehicle (e.g., a hybrid controller, an automatic transmission controller, etc.).

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model pertains. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the utility model. Terms such as "disposed" or the like as used herein may refer to either one element being directly attached to another element or one element being attached to another element through an intermediate member. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.

The present utility model has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described. Those skilled in the art will appreciate that many variations and modifications are possible in light of the teachings of the utility model, which variations and modifications are within the scope of the utility model as claimed.

Claims

1. A steering gear for a vehicle, the steering gear comprising:

a housing; and

2. The steering gear according to claim 1, further comprising:

3. The diverter of claim 1, wherein the first liquid sensing element is disposed at an interior bottom of the housing.

4. The steering gear according to claim 2, wherein the first controller includes:

the first control module is arranged in the controller shell.

5. The diverter of claim 4, wherein the second liquid sensing element is disposed at an inner bottom of the first control module or the controller housing.

6. The steering gear according to claim 2, wherein the motor comprises:

the second control module is arranged in the motor shell.

7. The diverter of claim 6, wherein the second liquid sensing element is disposed at an inner bottom of the second control module or the motor housing.

8. A vehicle, characterized by comprising: the diverter of any one of claims 1 to 7, comprising a liquid sensing element;

9. The vehicle of claim 8, further comprising a driving assistance system, the second controller configured to: controlling the auxiliary driving system to be closed according to the liquid sensing signal; and/or

10. The vehicle according to claim 8 or 9, characterized in that the steering gear includes a first controller, and the second controller is a vehicle control unit of the vehicle, the first controller, or a controller of the vehicle.