CN112937296A - Autonomous vehicle - Google Patents
Autonomous vehicle Download PDFInfo
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- CN112937296A CN112937296A CN202110218554.9A CN202110218554A CN112937296A CN 112937296 A CN112937296 A CN 112937296A CN 202110218554 A CN202110218554 A CN 202110218554A CN 112937296 A CN112937296 A CN 112937296A
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- drive
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- autonomous vehicle
- engine
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- 238000000034 method Methods 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000007257 malfunction Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000013473 artificial intelligence Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle
- B60K28/14—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle responsive to accident or emergency, e.g. deceleration, tilt of vehicle
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
Abstract
An autonomous vehicle comprising an engine, a first switch electrically connected between the drive-by-wire and the engine, and a drive-by-wire operable to electrically connect or disconnect the drive-by-wire to or from the engine. The method for forcibly cutting off the drive-by-wire is used, the situation that the automatic driving vehicle is accidentally started due to misoperation in a stop state can be avoided, and the safety performance of the automatic driving vehicle is enhanced.
Description
Technical Field
The invention relates to the field of automatic driving, in particular to an automatic driving vehicle.
Background
An automatic driving vehicle is also called an unmanned vehicle, a computer driving vehicle or a wheeled mobile robot, and is an intelligent vehicle for realizing unmanned driving through an automatic driving system. It relies on artificial intelligence, visual computation, radar, monitoring devices and global positioning system to cooperate, so that the automatic driving system can automatically and safely operate the motor vehicle without any human active operation.
The automatic driving vehicle has two operation modes, namely an automatic mode and a manual mode, and an operator can switch the modes by himself. However, in reality, an operator may operate improperly or in an emergency, and it is necessary to ensure that the vehicle is in a manual mode, but in an emergency, a user cannot determine the state of the automatically driven vehicle, and certain potential safety hazards exist.
Disclosure of Invention
In view of the above, it is desirable to provide an autonomous vehicle employing a forced-off drive-by-wire method.
An autonomous vehicle comprising an engine, a first switch electrically connected between the drive-by-wire and the engine, and a drive-by-wire operable to electrically connect or disconnect the drive-by-wire to or from the engine.
Preferably, the first switch is provided with a button which can operatively control the first switch to enter an open state or a closed state; when the first switch is in an on state, the drive-by-wire driver is disconnected with the engine; when the first switch is in a closed state, the drive-by-wire driver is electrically connected with the engine.
Preferably, when the button is pressed, the first switch enters an on state, and the drive-by-wire is disconnected from the motor; when the button is released, the first switch enters a closed state, and the drive-by-wire driver is electrically connected with the engine.
Preferably, the buttons comprise a first emergency button disposed between the driver seat and the front passenger seat.
Preferably, the button further comprises a second emergency button provided on a dash panel on the outer left rear side of the autonomous vehicle.
Preferably, a protective cover is arranged outside the second emergency button, the protective cover is covered on the second emergency button, and when the automatic driving vehicle is in a normal state, the protective cover is in a closed state.
Preferably, the autonomous vehicle further comprises a second switch and a power supply for supplying power to the drive-by-wire; the second switch is electrically connected between the drive-by-wire driver and the power supply, and the second switch can be used for electrically connecting or disconnecting the drive-by-wire driver with the power supply.
Preferably, the second switch comprises an open state and a closed state, and when the second switch is in the open state, the drive-by-wire is disconnected from the power supply; when the second switch is in a closed state, the drive-by-wire driver is electrically connected to the power supply.
Preferably, the second switch is a circuit breaker, the circuit breaker comprises a first contact and a second contact, and when the circuit breaker is operated to gate the first contact, that is, the second switch is in an open state, the drive-by-wire is disconnected from the power supply; when the circuit breaker is operated to gate the second contact, namely the second switch is in a closed state, the drive-by-wire driver is electrically connected with the power supply.
Preferably, the circuit breaker is disposed at one side of the second emergency button.
Preferably, when the first switch and the second switch are turned on by sequentially operating the first switch and the second switch in a stopped state of the autonomous vehicle, the autonomous vehicle enters a manual mode from an automatic mode, or the autonomous vehicle maintains the manual mode.
A method of forcibly turning off drive-by-wire of an autonomous vehicle, the method comprising:
the first switch which is electrically connected with the engine and the drive-by-wire is arranged between the engine and the drive-by-wire;
and operating the first switch to electrically connect or disconnect the drive-by-wire driver to or from the engine.
Preferably, the first switch is provided with the first emergency button and the second emergency button, the first emergency button or the second emergency button is pressed, the first switch enters an on state, and the drive-by-wire is disconnected with the engine; and releasing the first emergency button or the second emergency button, enabling the first switch to enter a closed state, and electrically connecting the drive-by-wire driver to the engine.
Preferably, the method of forcibly turning off the drive-by-wire further includes:
the second switch which is electrically connected with the drive-by-wire driver and the power supply is arranged between the drive-by-wire driver and the power supply;
and operating the second switch to electrically connect or disconnect the drive-by-wire driver to or from the power supply.
Preferably, the second switch is a circuit breaker, the circuit breaker comprises a first contact and a second contact, the circuit breaker is operated to gate the first contact, and the drive-by-wire driver is disconnected with the power supply; and operating the circuit breaker to gate the second contact, wherein the drive-by-wire driver is electrically connected with the power supply.
The automatic driving vehicle adopts a method of forcibly cutting off the drive-by-wire, can avoid the condition that the automatic driving vehicle is started accidentally due to misoperation after a fault or accident parking occurs, and enhances the safety performance of the automatic driving vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is to be understood that the drawings in the following description are merely exemplary of the invention and that other drawings may be derived from the structure shown in the drawings by those skilled in the art without the exercise of inventive faculty.
FIG. 1 is a schematic diagram of a connection relationship of components of an autonomous vehicle according to an embodiment of the invention.
Fig. 2 is a schematic diagram of a first emergency button of an autonomous vehicle according to an embodiment of the invention.
Fig. 3 is a schematic diagram of a partial structure of an autonomous vehicle according to an embodiment of the present invention.
Fig. 4 is a flowchart of a method for forcibly turning off drive-by-wire of an autonomous vehicle according to an embodiment of the present invention.
DESCRIPTION OF SYMBOLS IN THE DRAWINGS
Label name
100 autonomous vehicle 7 power supply
1 first switch 8 breaker
2 drive-by-wire 9 visor
3 push-button 10 first contact
4 first emergency button 11 second contact
5 second emergency button 12 engine
6 second switch
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
For a clearer and more accurate understanding of the present invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings. The drawings illustrate examples of embodiments of the invention, in which like numerals represent like elements. It is to be understood that the drawings are not to scale as the invention may be practiced in practice, but are for illustrative purposes and are not to scale.
Referring to fig. 1 to 4, fig. 1 is a schematic diagram of a connection relationship of an autonomous vehicle according to an embodiment of the present invention; FIG. 2 is a schematic diagram of a first panic button of an autonomous vehicle provided by an embodiment of the invention; FIG. 3 is a schematic diagram of a portion of an autonomous vehicle provided by an embodiment of the invention; fig. 4 is a flowchart of a method for forcibly turning off drive-by-wire of an autonomous vehicle according to an embodiment of the present invention. The autonomous vehicle 100 includes an engine 12, a first switch 1, a drive-by-wire driver 2, a second switch 6, and a power source 7. The first switch 1 is electrically connected between the engine 12 and the drive-by-wire driver 2, and the drive-by-wire driver 2 is connected with the engine 12 through the first switch 1. The second switch 6 is electrically connected between the drive-by-wire driver 2 and the power supply 7, and the drive-by-wire driver 2 is connected with the power supply 7 through the second switch 6. The power supply 7 supplies power to the drive-by-wire driver 2, and controls the engine 12 to be turned on after the drive-by-wire driver 2 is started, so that the autonomous vehicle 100 is started.
The first switch 1 can operatively connect or disconnect the drive-by-wire 2 with the engine 12, when the first switch 1 is in an on state, the drive-by-wire 2 is electrically disconnected with the engine 12, and at this time, the drive-by-wire 2 cannot control the engine 12 to be turned on or turned off; when the first switch 1 is in a closed state, the drive-by-wire 2 is electrically connected with the engine 12, and at this time, the drive-by-wire 2 can control the engine 12 to be turned on or off.
The opening and closing of the first switch 1 can be controlled by a button, a knob or a key, and in the present embodiment, the opening or closing of the first switch 1 is controlled by pressing or releasing the button 3. When the button 3 is pressed, the first switch 1 enters an opening state, and the drive-by-wire driver 2 is disconnected with the engine 12; when the push button 3 is released, the first switch 1 enters a closed state, and the drive-by-wire driver 2 is electrically connected to the engine 12.
The push buttons 3 include a first emergency button 4 and a second emergency button 5, and the first emergency button 4 is disposed between the driver seat and the front passenger seat to facilitate the driver's operation to switch the mode of the autonomous vehicle 100. The second panic button 5 is provided on a dash panel on the outer left rear side of the autonomous vehicle 100. When a malfunction or accident occurs and the autonomous vehicle 100 is in a stationary state, the driver or law enforcement officer can ensure that the autonomous vehicle 100 is in a manual mode by operating the second emergency button 5 provided outside the autonomous vehicle 100, preventing the autonomous vehicle 100 from being automatically started by accident.
A protective cover 9 is covered outside the second emergency button 5. Since the second panic button 5 is provided outside the autonomous vehicle 100, a protective cover 9 is provided on the outside of the second panic button 5 in order to prevent the second panic button 5 from being operated due to a false touch. In a normal condition, the protective cover 9 is in a closed state.
The second switch 6 may be operable to electrically connect or disconnect the drive-by-wire 2 from the power supply 7. When the second switch 6 is in an on state, the drive-by-wire driver 2 is disconnected from the power supply 7; when the second switch 6 is in a closed state, the drive-by-wire driver 2 is electrically connected to the power supply 7, and the power supply 7 supplies power to the drive-by-wire driver 2.
The second switch 6 may be a breaker or a load switch, and in the present embodiment, a breaker 8 is selected as the second switch 6. An operating handle is installed outside the circuit breaker 8, the operating handle comprises a first contact 10 and a second contact 11, and the circuit breaker 8 can be controlled to gate the first contact 10 or the second contact 11 by rotating the operating handle. When the breaker 8 gates the first contact 10, the second switch 6 is in an opening state, and the drive-by-wire 2 is disconnected with the power supply 7; when the circuit breaker 8 gates the second contact 11, the second switch 6 is in a closed state, the drive-by-wire driver 2 is electrically connected to the power supply 7, and the power supply 7 supplies power to the drive-by-wire driver 2 to maintain the drive-by-wire driver 2 to operate.
The circuit breaker 8 is arranged next to the second emergency button 5, it being understood that the circuit breaker 8 is arranged outside the autonomous vehicle 100, which is likewise provided with a protective cover 9 in order to prevent the circuit breaker 8 from being operated as a result of a false touch.
When the first emergency button 4 or the second emergency button 5 is sequentially pressed and the operating handle is rotated to gate the first contact 10 by the circuit breaker 8 while the autonomous vehicle 100 is in a stopped state, the autonomous vehicle 100 enters the manual mode from the automatic mode, or the autonomous vehicle 100 remains in the manual mode. If an emergency situation or a malfunction occurs in the autonomous vehicle 100, the autonomous vehicle 100 can be ensured to be in the manual mode by the above operation, and the situation that the autonomous vehicle 100 is started by accident can be avoided.
The present embodiment provides a method of forcibly turning off drive-by-wire of the autonomous vehicle 100, the method of forcibly turning off drive-by-wire of the autonomous vehicle 100 including the following steps.
And S101, arranging a first switch 1 electrically connected with the engine 12 and the drive-by-wire driver 2 between the two. In the present embodiment, the drive-by-wire 2 may be electrically connected to the engine 12 through the first switch 1, and the drive-by-wire 2 is used to control the on or off of the engine 12.
S103, operating the first switch 1 to electrically connect or disconnect the drive-by-wire driver 2 with the engine 12. In the embodiment, the first switch 1 is provided with a first emergency button 4 and a second emergency button 5, when the first emergency button 4 or the second emergency button 5 is pressed, the first switch 1 enters an on state, and the drive-by-wire driver 2 is disconnected with the engine 12; when the first emergency button 4 or the second emergency button 5 is released, the first switch 1 enters a closed state, and the drive-by-wire 2 is electrically connected to the engine 12.
And S105, arranging a second switch 6 electrically connected with the line control driver 2 and the power supply 7 between the two. In the present embodiment, the drive-by-wire driver 2 can be electrically connected to the power supply 7 through the second switch 6, and the power supply 7 is used for supplying power to the drive-by-wire driver 2.
S107, the second switch 6 is operated to electrically connect or disconnect the drive-by-wire driver 2 and the power supply 7. In this embodiment, the second switch 6 is a circuit breaker 8, the circuit breaker 8 includes a first contact 10 and a second contact 11, and when the circuit breaker 8 is operated to gate the first contact 10, the drive-by-wire driver 2 is disconnected from the power supply 7; when the breaker 8 is operated to gate the second contact 11, the drive-by-wire driver 2 is electrically connected to the power supply 7.
If an emergency situation or a malfunction occurs in the autonomous vehicle 100, the method can ensure that the autonomous vehicle 100 is in the manual mode after the autonomous vehicle 100 is in the stationary state, and avoid the situation that the autonomous vehicle 100 is started by accident.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, insofar as these modifications and variations of the invention fall within the scope of the claims of the invention and their equivalents, the invention is intended to include these modifications and variations.
The above-mentioned embodiments are only examples of the present invention, which should not be construed as limiting the scope of the present invention, and therefore, the present invention is not limited by the claims.
Claims (15)
1. An autonomous vehicle comprising an engine, a first switch electrically connected between the drive-by-wire and the engine, and a drive-by-wire operable to electrically connect or disconnect the drive-by-wire to or from the engine.
2. An autonomous vehicle as claimed in claim 1, wherein the first switch is provided with a push button operable to control the first switch to an open state or a closed state; when the first switch is in an on state, the drive-by-wire driver is disconnected with the engine; when the first switch is in a closed state, the drive-by-wire driver is electrically connected with the engine.
3. An autonomous vehicle as recited in claim 2 wherein when said push button is depressed, said first switch enters an on state and said drive-by-wire is disconnected from said motor; when the button is released, the first switch enters a closed state, and the drive-by-wire driver is electrically connected with the engine.
4. An autonomous vehicle as claimed in claim 2, characterized in that the push-button comprises a first emergency button, which is arranged between the driver's seat and the front passenger seat.
5. An autonomous vehicle as claimed in claim 2, wherein the button further comprises a second emergency button provided on the panel on the outer left rear side of the autonomous vehicle.
6. An autonomous vehicle as claimed in claim 5, wherein a protective cover is provided on the outside of the second emergency button, the protective cover being provided on the second emergency button, the protective cover being in a closed position when the autonomous vehicle is in a normal state.
7. An autonomous vehicle as claimed in any of claims 1 to 6, further comprising a second switch and a power supply for supplying power to the drive-by-wire; the second switch is electrically connected between the drive-by-wire driver and the power supply, and the second switch can be used for electrically connecting or disconnecting the drive-by-wire driver with the power supply.
8. The autonomous-capable vehicle of claim 7, wherein the second switch includes an open state and a closed state, the drive-by-wire being disconnected from the power source when the second switch is in the open state; when the second switch is in a closed state, the drive-by-wire driver is electrically connected to the power supply.
9. The autonomous-capable vehicle of claim 8, wherein the second switch is a circuit breaker, the circuit breaker including a first contact and a second contact, the drive-by-wire being disconnected from the power source when the circuit breaker is operated to gate the first contact, i.e., the second switch is in an on state; when the circuit breaker is operated to gate the second contact, namely the second switch is in a closed state, the drive-by-wire driver is electrically connected with the power supply.
10. An autonomous vehicle as claimed in claim 9, characterized in that the circuit breaker is arranged on the side of the second emergency button.
11. An autonomous vehicle as claimed in claim 8, wherein the autonomous vehicle enters the manual mode from the automatic mode or the autonomous vehicle remains in the manual mode when the autonomous vehicle turns on the first switch and the second switch sequentially by operating the first switch and the second switch in a stopped state.
12. A method of forcibly turning off drive-by-wire of an autonomous vehicle, characterized by comprising:
the first switch which is electrically connected with the engine and the drive-by-wire is arranged between the engine and the drive-by-wire;
and operating the first switch to electrically connect or disconnect the drive-by-wire driver to or from the engine.
13. A method of forcibly turning off drive-by-wire of an autonomous vehicle as set forth in claim 12, wherein said first switch is provided with said first emergency button and said second emergency button, and either said first emergency button or said second emergency button is pressed, said first switch is brought into an on state, and said drive-by-wire is disconnected from said engine; and releasing the first emergency button or the second emergency button, enabling the first switch to enter a closed state, and electrically connecting the drive-by-wire driver to the engine.
14. The method of forcibly turning off drive-by-wire of an autonomous vehicle of claim 12, wherein the method of forcibly turning off drive-by-wire further comprises:
the second switch which is electrically connected with the drive-by-wire driver and the power supply is arranged between the drive-by-wire driver and the power supply;
and operating the second switch to electrically connect or disconnect the drive-by-wire driver to or from the power supply.
15. The method of claim 14, wherein the second switch is a circuit breaker, the circuit breaker includes a first contact and a second contact, the circuit breaker is operated to gate the first contact, and the drive-by-wire is disconnected from the power source; and operating the circuit breaker to gate the second contact, wherein the drive-by-wire driver is electrically connected with the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110218554.9A CN112937296B (en) | 2021-02-26 | 2021-02-26 | Automatic driving vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110218554.9A CN112937296B (en) | 2021-02-26 | 2021-02-26 | Automatic driving vehicle |
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| CN112937296A true CN112937296A (en) | 2021-06-11 |
| CN112937296B CN112937296B (en) | 2023-08-08 |
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| CN202110218554.9A Active CN112937296B (en) | 2021-02-26 | 2021-02-26 | Automatic driving vehicle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100120A (en) * | 1985-02-01 | 1986-09-03 | 松下电工株式会社 | Remote-controlled circuit breaker |
| CN103608883A (en) * | 2011-06-16 | 2014-02-26 | Abb技术有限公司 | A switching device and a switchgear |
| CN210139840U (en) * | 2019-05-29 | 2020-03-13 | 深圳市大疆创新科技有限公司 | Automatic control system and automatic driving vehicle of driving vehicle |
| CN112141133A (en) * | 2019-06-28 | 2020-12-29 | 丰田自动车株式会社 | Vehicle control device |
| CN112141132A (en) * | 2019-06-28 | 2020-12-29 | 丰田自动车株式会社 | Autonomous vehicle |
-
2021
- 2021-02-26 CN CN202110218554.9A patent/CN112937296B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100120A (en) * | 1985-02-01 | 1986-09-03 | 松下电工株式会社 | Remote-controlled circuit breaker |
| CN103608883A (en) * | 2011-06-16 | 2014-02-26 | Abb技术有限公司 | A switching device and a switchgear |
| CN210139840U (en) * | 2019-05-29 | 2020-03-13 | 深圳市大疆创新科技有限公司 | Automatic control system and automatic driving vehicle of driving vehicle |
| CN112141133A (en) * | 2019-06-28 | 2020-12-29 | 丰田自动车株式会社 | Vehicle control device |
| CN112141132A (en) * | 2019-06-28 | 2020-12-29 | 丰田自动车株式会社 | Autonomous vehicle |
| DE102020116387A1 (en) * | 2019-06-28 | 2020-12-31 | Toyota Jidosha Kabushiki Kaisha | Vehicle control device |
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| CN112937296B (en) | 2023-08-08 |
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Address after: 518057, Office Building 2807, Haofang Tianji Square, No. 11008 Beihuan Avenue, Nanlian Community, Nantou Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen antuzhihang Technology Co.,Ltd. Address before: 518057 2301, yuemeite building, No. 1, Gaoxin South seventh Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee before: Shenzhen antuzhihang Technology Co.,Ltd. |