CN111645650A - Automatic parking control system and method for vehicle - Google Patents
Automatic parking control system and method for vehicle Download PDFInfo
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- CN111645650A CN111645650A CN202010541860.1A CN202010541860A CN111645650A CN 111645650 A CN111645650 A CN 111645650A CN 202010541860 A CN202010541860 A CN 202010541860A CN 111645650 A CN111645650 A CN 111645650A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
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Abstract
The invention provides an automatic parking control system and method for a vehicle, comprising: the parking system comprises a parking lamp, a vehicle starting monitoring unit, a vehicle door, a controller, a two-position three-way valve and a parking relay valve; the parking lamp, the vehicle starting monitoring unit, the vehicle door and the two-position three-way valve are respectively connected with the controller, and the two-position three-way valve is connected with the parking relay valve; the controller is used for detecting the state of the parking lamp, and if the state of the parking lamp is in a non-working state, the running state of the vehicle is determined by detecting the vehicle starting monitoring unit; detecting the state of the vehicle door if the running state of the vehicle is not in the starting state; if the state of the vehicle door is in an opening state, the two-position three-way valve is controlled to be electrified, high-pressure gas from the two-position three-way valve to the control port of the parking relay valve is released, the high-pressure gas from the two-position three-way valve to the control port of the parking relay valve can be released by adding the two-position three-way valve, automatic parking of the vehicle is achieved, EPB does not need to be added, and cost is low.
Description
Technical Field
The invention relates to the technical field of vehicle control, in particular to an automatic parking control system and method of a vehicle.
Background
Currently, medium and heavy trucks are the main means of transportation for logistics and coal mining. When a medium truck and a heavy truck are parked, a gas-cut-off brake system is adopted in a hand brake pulling mode, compressed parking springs are returned by releasing high-pressure gas in a parking air chamber, a parking air chamber push rod is driven to move, and a friction plate and a brake drum are pressed tightly, so that the vehicle is kept in a parking state.
However, when the driver forgets to brake the handle brake when getting off, there is a traffic safety risk of vehicle slipping. For such a situation, it is determined whether the driver has a parking request by determining the state of the driver side door, the state of the driver belt, and the like, but after the state of the driver side door and the state of the driver belt are collected, a parking request needs to be sent to an EPB (Electrical park brake system) to complete parking. And the EPB is not installed in the current medium-sized truck and heavy-duty truck, and the cost is high if the EPB is installed.
Disclosure of Invention
In view of this, the present invention is directed to an automatic parking control system and method for a vehicle, which can release high-pressure gas from a two-position three-way valve to a control port of a parking relay valve by adding a two-position three-way valve, so as to achieve automatic parking of the vehicle, without adding an EPB, and at low cost.
In a first aspect, an embodiment of the present invention provides a parking control system for a vehicle, the system including: the parking system comprises a parking lamp, a vehicle starting monitoring unit, a vehicle door, a controller, a two-position three-way valve and a parking relay valve;
the parking lamp, the vehicle starting monitoring unit, the vehicle door and the two-position three-way valve are respectively connected with the controller, and the two-position three-way valve is connected with the parking relay valve;
the controller is used for detecting the state of the parking lamp, and determining the running state of the vehicle by detecting the vehicle starting monitoring unit if the state of the parking lamp is in a non-working state; detecting the state of the vehicle door if the running state of the vehicle is not in the starting state; and if the state of the vehicle door is in an open state, controlling the two-position three-way valve to be electrified, and releasing high-pressure gas from the two-position three-way valve to the control port of the parking relay valve.
Further, the vehicle start monitoring unit includes an ignition switch and an engine;
the controller is further configured to detect whether the ignition switch is in an OFF position or an ACC position; detecting a state of the vehicle door if the ignition switch is in the OFF position or the ACC position; or detecting whether the engine has a rotating speed, and if the rotating speed of the engine is 0, detecting the state of the vehicle door; wherein, the door is the door of driving position.
Further, the controller is further configured to detect whether the vehicle door is in a closed state, detect whether the ignition switch is in an ON gear or detect a rotation speed of the engine if the vehicle door is in the closed state, and control the two-position three-way valve to be powered off if the ignition switch is in the ON gear or the rotation speed of the engine is not 0.
The controller is connected with the two-position three-way valve, and the two-position three-way valve is connected with the controller;
the controller is further configured to power off the two-position three-way valve by obtaining a touch signal of the normally closed switch when the ignition switch is in the ON gear or the rotating speed of the engine is not 0.
Further, the two-position three-way valve comprises a normally-open two-position three-way valve and a normally-closed two-position three-way valve.
In a second aspect, an embodiment of the present invention provides an automatic parking control method for a vehicle, which is applied to an automatic parking control system for a vehicle as described above, the automatic parking control system for a vehicle including a parking lamp, a vehicle start monitoring unit, a vehicle door, a controller, a two-position three-way valve, and a parking relay valve, the method including:
detecting the state of the parking lamp;
if the state of the parking lamp is in a non-working state, determining the running state of the vehicle by detecting the vehicle starting monitoring unit;
detecting the state of the vehicle door if the running state of the vehicle is not in the starting state;
and if the state of the vehicle door is in an open state, controlling the two-position three-way valve to be electrified, and releasing high-pressure gas from the two-position three-way valve to the control port of the parking relay valve.
Further, the vehicle start monitoring unit includes an ignition switch and an engine; the determining the running state of the vehicle by detecting the vehicle start monitoring unit comprises:
detecting whether the ignition switch is in an OFF position or an ACC position;
detecting a state of the vehicle door if the ignition switch is in the OFF position or the ACC position;
or,
detecting whether the engine has rotating speed;
detecting the state of the vehicle door if the rotating speed of the engine is 0;
wherein, the door is the door of driving position.
Further, the method further comprises:
detecting whether the vehicle door is in a closed state;
if the state of the vehicle door is in the closed state, detecting whether the ignition switch is in an ON gear or detecting the rotating speed of the engine;
and if the ignition switch is in the ON gear or the rotating speed of the engine is not 0, controlling the two-position three-way valve to be powered off.
In a third aspect, an embodiment of the present invention provides an electronic device, including a memory and a processor, where the memory stores a computer program operable on the processor, and the processor implements the method described above when executing the computer program.
In a fourth aspect, embodiments of the invention provide a computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to perform the method as described above.
The embodiment of the invention provides an automatic parking control system and method of a vehicle, which comprises the following steps: the parking system comprises a parking lamp, a vehicle starting monitoring unit, a vehicle door, a controller, a two-position three-way valve and a parking relay valve; the parking lamp, the vehicle starting monitoring unit, the vehicle door and the two-position three-way valve are respectively connected with the controller, and the two-position three-way valve is connected with the parking relay valve; the controller is used for detecting the state of the parking lamp, and if the state of the parking lamp is in a non-working state, the running state of the vehicle is determined by detecting the vehicle starting monitoring unit; detecting the state of the vehicle door if the running state of the vehicle is not in the starting state; if the state of the vehicle door is in an opening state, the two-position three-way valve is controlled to be electrified, high-pressure gas from the two-position three-way valve to the control port of the parking relay valve is released, the high-pressure gas from the two-position three-way valve to the control port of the parking relay valve can be released by adding the two-position three-way valve, automatic parking of the vehicle is achieved, EPB does not need to be added, and cost is low.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of an automatic parking control system of a vehicle according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of an automatic parking control system of another vehicle according to an embodiment of the present invention;
fig. 3 is a schematic view of an application scenario of an automatic parking control method for a vehicle according to a second embodiment of the present invention;
fig. 4 is a flowchart of an automatic parking control method for a vehicle according to a third embodiment of the present invention.
Icon:
1-parking lamp; 2-a vehicle start monitoring unit; 3-vehicle door; 4-a controller; 5-two-position three-way valve; 6-parking relay valve; 21-an ignition switch; 22-an engine; 7-an air cylinder; 8-a parking air chamber; 9-normally closed switch; 10-hand brake valve.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the understanding of the present embodiment, the following detailed description will be given of the embodiment of the present invention.
The first embodiment is as follows:
fig. 1 is a schematic diagram of an automatic parking control system of a vehicle according to a first embodiment of the present invention.
Referring to FIG. 1, the system includes, but is not limited to, air brake system vehicles, medium duty trucks and heavy duty trucks.
The system comprises: the parking system comprises a parking lamp 1, a vehicle starting monitoring unit 2, a vehicle door 3, a controller 4, a two-position three-way valve 5 and a parking relay valve 6;
the parking lamp 1, the vehicle starting monitoring unit 2, the vehicle door 3 and the two-position three-way valve 5 are respectively connected with the controller 4, and the two-position three-way valve 5 is connected with the parking relay valve 6;
the controller 4 is used for detecting the state of the parking lamp 1, and detecting the running state of the vehicle determined by the vehicle starting monitoring unit 2 if the state of the parking lamp 1 is in a non-working state; detecting the state of the door 3 if the running state of the vehicle is not in the starting state; if the state of the door 3 is in the open state, the two-position three-way valve 5 is controlled to be energized, and the high-pressure gas from the two-position three-way valve 5 to the control port of the parking relay valve 6 is released.
Specifically, referring to fig. 2, when the driver has a need to get off or park, the state of the parking lamp 1 is first detected in real time, and if the state of the parking lamp 1 is in an active state, that is, the parking lamp 1 is turned on, it means that the driver pulls the hand brake valve 10, and the vehicle has already completed the parking operation, so the system does not need to process it. If the parking lamp 1 is not in the working state, that is, the parking lamp 1 is not turned on, it means that the driver does not pull the hand brake valve 10, and it is necessary to detect the running state of the vehicle and then detect the state of the vehicle door. In the process of detecting the running state of the vehicle, whether the vehicle is in a starting state or not is checked, if the running state of the vehicle is in the starting state, the fact that a driver is on the vehicle is indicated, and at the moment, the system does not need processing. If the running state of the vehicle is not in the starting state, the state of the vehicle door 3 is continuously detected; if the state of the vehicle door 3 is in a closed state, the driver does not get off the vehicle, and the system does not need processing at the moment; if the state of the vehicle door 3 is in an opening state, it indicates that the driver has a vehicle getting-off demand, and at the moment, the system controls the two-position three-way valve 5 to be electrified, and releases high-pressure gas from the two-position three-way valve 5 to a control port of the parking relay valve 6, and meanwhile, compressed gas of the whole vehicle is not leaked excessively, so that parking is completed, and vehicle sliding is prevented.
Further, the vehicle start monitoring unit 2 includes an ignition switch 21 and an engine 22;
the controller 4 is also configured to detect whether the ignition switch 21 is in the OFF position or the ACC position, and if the ignition switch 21 is in the OFF position or the ACC position, detect the state of the vehicle door 3; or detecting whether the engine 22 has a rotating speed, and if the rotating speed of the engine 22 is 0, detecting the state of the vehicle door 3; the door 3 is a door of a driving portion.
Specifically, when the parking lamp 1 is not turned on, the driver puts the ignition switch 21 in the OFF position or the ACC position, and if the ignition switch 21 is put in the OFF position or the ACC position, it indicates that the driver has a need to get OFF, and at this time, the state of the vehicle door 3 is further detected;
it is also possible to determine whether the vehicle is in the start-up state by detecting whether the engine 22 has a rotational speed. If the rotation speed of the engine 22 is 0, it indicates that the vehicle is not in the activated state, and the state of the door 3 is further detected.
Specifically, the system further comprises a parking air chamber 8 and an air storage cylinder 7, the parking relay valve 6 fills air into the parking air chamber 8, the parking air chamber 8 supports a brake, a friction plate is attached to the brake drum, and the air storage cylinder 7 is used for storing air generated by the parking relay valve 6.
Further, the controller 4 is further configured to detect whether the vehicle door 3 is in a closed state, detect whether the ignition switch 21 is in an ON position or detect a rotational speed of the engine if the vehicle door 3 is in the closed state, and control the two-position three-way valve 5 to be powered off if the ignition switch 21 is in the ON position or the rotational speed of the engine is not 0.
Specifically, after the system finishes the parking operation, whether the driver needs to start the vehicle is further judged, whether the vehicle door 3 is in the closed state is detected, and if the vehicle door 3 is in the closed state, the fact that the driver gets on the vehicle is indicated, and the vehicle needs to be started is further judged. At the moment, the system further judges whether the ignition switch 21 is in an ON gear or detects the rotating speed of the engine, if the ignition switch 21 is in the ON gear or the rotating speed of the engine is not 0, the two-position three-way valve 5 is controlled to be powered off, the system quits working, and a system parking instruction is released, so that the system is prevented from excessively interfering with the action of a driver.
Further, the device also comprises a normally closed switch 9, wherein the normally closed switch 9 is respectively connected with the controller 4 and the two-position three-way valve 5;
and the controller 4 is used for cutting off the power of the two-position three-way valve 5 by acquiring a touch signal of the normally closed switch under the condition that the ignition switch 21 is in an ON gear position or the rotating speed of the engine is not 0.
Specifically, when the vehicle door 3 of the driver is in a closed state, the ignition switch 21 is in an ON gear position or the rotating speed of the engine is not 0, but the system is not powered off for the two-position three-way valve 5, the system is determined to be in a fault, and the system reports a fault code or a fault lamp to prompt the system to be in a fault. After the driver touches the normally closed switch 9, a touch signal is generated, and the two-position three-way valve 5 is powered off through the touch signal, wherein the normally closed switch 9 can be a rocker switch.
Further, the two-position three-way valve 5 includes a normally open two-position three-way valve and a normally closed two-position three-way valve, and the two-position three-way valve 5 may perform corresponding operations by using the normally open two-position three-way valve or the normally closed two-position three-way valve.
An embodiment of the present invention provides a parking control system for a vehicle, including: the parking system comprises a parking lamp, a vehicle starting monitoring unit, a vehicle door, a controller, a two-position three-way valve and a parking relay valve; the parking lamp, the vehicle starting monitoring unit, the vehicle door and the two-position three-way valve are respectively connected with the controller, and the two-position three-way valve is connected with the parking relay valve; the controller is used for detecting the state of the parking lamp, and if the state of the parking lamp is in a non-working state, the running state of the vehicle is determined by detecting the vehicle starting monitoring unit; detecting the state of the vehicle door if the running state of the vehicle is not in the starting state; if the state of the vehicle door is in an opening state, the two-position three-way valve is controlled to be electrified, high-pressure gas from the two-position three-way valve to the control port of the parking relay valve is released, the high-pressure gas from the two-position three-way valve to the control port of the parking relay valve can be released by adding the two-position three-way valve, automatic parking of the vehicle is achieved, EPB does not need to be added, and cost is low.
Example two:
fig. 3 is a schematic view of an application scenario of the automatic parking control method for the vehicle according to the second embodiment of the present invention.
Referring to fig. 3, when the driver has a need to get off or park, the state of the parking lamp is first detected, and if the state of the parking lamp is in an active state, i.e., the parking lamp is turned on, which means that the driver pulls the hand brake valve, the vehicle has completed the parking operation, so the system does not need to process. If the state of the parking lamp is not in the working state, namely the parking lamp is not lightened, the fact that the driver does not pull the hand brake valve means that the running state of the vehicle needs to be detected at the moment, whether the vehicle is in the starting state or not needs to be checked, if the state of the vehicle is in the starting state, the fact that the driver is on the vehicle means that the system does not need to process. If the state of the vehicle is not in the starting state, continuously detecting the state of the vehicle door; if the state of the vehicle door is in a closed state, the driver does not get off the vehicle, and the system does not need processing at the moment; if the state of the vehicle door is in an open state, the driver has a need of getting off the vehicle, the system controls the two-position three-way valve to be electrified, high-pressure gas from the two-position three-way valve to a control port of the parking relay valve is released, parking is finished, and vehicle sliding is prevented.
When detecting the running state of the vehicle, the method specifically comprises the following steps: when the parking lamp is not turned on, the driver puts the ignition switch in an OFF gear or an ACC gear, and if the ignition switch is in the OFF gear or the ACC gear, the driver is required to get OFF; whether the vehicle is in the starting state can also be determined by detecting whether the engine has rotating speed. If the rotation speed of the engine is not 0, the vehicle is in a starting state. If the rotation speed of the engine is 0, the vehicle is not in the starting state.
After the system finishes the parking operation, whether a driver has a requirement for starting the vehicle is further judged, whether the vehicle door is in a closed state is detected, and if the vehicle door is in the closed state, the fact that the driver has got on the vehicle and the requirement for starting the vehicle is indicated. At the moment, the system further judges whether the ignition switch is in an ON gear or detects the rotating speed of the engine, if the ignition switch is in the ON gear or the rotating speed of the engine is not 0, the two-position three-way valve is controlled to be powered off, the system quits working, and a system parking instruction is released, so that the system is prevented from excessively intervening in actions of a driver.
When the state of the door of the driver is in a closed state, the ignition switch is in an ON gear or the rotating speed of the engine is not 0, but the system still does not cut off the power of the two-position three-way valve, the system is determined to have a fault at the moment, and the system reports a fault code or a fault lamp to prompt the system to have the fault. After the driver touches the normally closed switch, a touch signal is generated, and the two-position three-way valve of the system is powered off through the touch signal.
Example three:
fig. 4 is a flowchart of an automatic parking control method for a vehicle according to a third embodiment of the present invention.
Referring to fig. 4, the automatic parking control system applied to the vehicle as described above, the automatic parking control system of the vehicle including a parking lamp, a vehicle start monitoring unit, a door, a controller, a two-position three-way valve, and a parking relay valve, includes the steps of:
step S101, detecting the state of a parking lamp;
step S102, if the state of the parking lamp is in a non-working state, determining the running state of the vehicle by detecting a vehicle starting monitoring unit;
step S103, if the running state of the vehicle is not in the starting state, detecting the state of the vehicle door;
and step S104, if the state of the vehicle door is in an open state, controlling the two-position three-way valve to be electrified, and releasing high-pressure gas from the two-position three-way valve to a control port of the parking relay valve.
Further, the vehicle start monitoring unit comprises an ignition switch and an engine; step S102 includes the steps of:
step S201, detecting whether an ignition switch is in an OFF gear or an ACC gear;
step S202, if the ignition switch is in an OFF gear or an ACC gear, detecting the state of the vehicle door;
or,
step S203, detecting whether the engine has a rotating speed;
step S204, if the rotating speed of the engine is 0, detecting the state of the vehicle door;
wherein, the door is the door of the driving part.
Further, the method comprises the following steps:
step S301, detecting whether the vehicle door is in a closed state;
step S302, if the state of the vehicle door is in a closed state, detecting whether an ignition switch is in an ON gear or detecting the rotating speed of an engine;
and step S303, if the ignition switch is in an ON gear or the rotating speed of the engine is not 0, controlling the two-position three-way valve to be powered off.
The embodiment of the invention provides a parking control method of a vehicle, which comprises the following steps: detecting the state of a parking lamp; if the state of the parking lamp is in a non-working state, determining the running state of the vehicle by detecting a vehicle starting monitoring unit; detecting the state of the vehicle door if the running state of the vehicle is not in the starting state; if the state of the vehicle door is in an opening state, the two-position three-way valve is controlled to be electrified, high-pressure gas from the two-position three-way valve to the control port of the parking relay valve is released, the high-pressure gas from the two-position three-way valve to the control port of the parking relay valve can be released by adding the two-position three-way valve, automatic parking of the vehicle is achieved, EPB does not need to be added, the cost is low, and the problem of traffic accidents caused by vehicle sliding due to the fact that a driver gets off.
The embodiment of the invention further provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps of the automatic parking control method for the vehicle provided by the embodiment.
Embodiments of the present invention also provide a computer readable medium having non-volatile program codes executable by a processor, the computer readable medium having a computer program stored thereon, the computer program being executed by the processor to perform the steps of the automatic parking control method of a vehicle of the above embodiments.
The computer program product provided in the embodiment of the present invention includes a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, which is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. An automatic parking control system of a vehicle, characterized in that the system comprises: the parking system comprises a parking lamp, a vehicle starting monitoring unit, a vehicle door, a controller, a two-position three-way valve and a parking relay valve;
the parking lamp, the vehicle starting monitoring unit, the vehicle door and the two-position three-way valve are respectively connected with the controller, and the two-position three-way valve is connected with the parking relay valve;
the controller is used for detecting the state of the parking lamp, and determining the running state of the vehicle by detecting the vehicle starting monitoring unit if the state of the parking lamp is in a non-working state; detecting the state of the vehicle door if the running state of the vehicle is not in the starting state; and if the state of the vehicle door is in an open state, controlling the two-position three-way valve to be electrified, and releasing high-pressure gas from the two-position three-way valve to the control port of the parking relay valve.
2. The automatic parking control system of a vehicle according to claim 1, wherein the vehicle start monitoring unit includes an ignition switch and an engine;
the controller is further configured to detect whether the ignition switch is in an OFF position or an ACC position; detecting a state of the vehicle door if the ignition switch is in the OFF position or the ACC position; or detecting whether the engine has a rotating speed, and if the rotating speed of the engine is 0, detecting the state of the vehicle door; wherein, the door is the door of driving position.
3. The automatic parking control system of a vehicle according to claim 2, wherein the controller is further configured to detect whether the vehicle door is in a closed state, detect whether the ignition switch is in an ON position or detect a rotation speed of the engine if the state of the vehicle door is in the closed state, and control the two-position three-way valve to be de-energized if the ignition switch is in the ON position or the rotation speed of the engine is not 0.
4. The automatic parking control system of a vehicle according to claim 3, further comprising a normally closed switch connected to the controller and the two-position three-way valve, respectively;
the controller is further configured to power off the two-position three-way valve by obtaining a touch signal of the normally closed switch when the ignition switch is in the ON gear or the rotating speed of the engine is not 0.
5. The automatic parking control system of a vehicle according to claim 1, wherein the two-position three-way valve includes a normally-open two-position three-way valve and a normally-closed two-position three-way valve.
6. An automatic parking control method of a vehicle, applied to an automatic parking control system of a vehicle according to any one of claims 1 to 5, the automatic parking control system of a vehicle including a parking lamp, a vehicle start monitoring unit, a door, a controller, a two-position three-way valve, and a parking relay valve, the method comprising:
detecting the state of the parking lamp;
if the state of the parking lamp is in a non-working state, determining the running state of the vehicle by detecting the vehicle starting monitoring unit;
detecting the state of the vehicle door if the running state of the vehicle is not in the starting state;
and if the state of the vehicle door is in an open state, controlling the two-position three-way valve to be electrified, and releasing high-pressure gas from the two-position three-way valve to the control port of the parking relay valve.
7. The automatic parking control method of a vehicle according to claim 6, wherein the vehicle start monitoring unit includes an ignition switch and an engine; the determining the running state of the vehicle by detecting the vehicle start monitoring unit comprises:
detecting whether the ignition switch is in an OFF position or an ACC position;
detecting a state of the vehicle door if the ignition switch is in the OFF position or the ACC position;
or,
detecting whether the engine has rotating speed;
detecting the state of the vehicle door if the rotating speed of the engine is 0;
wherein, the door is the door of driving position.
8. The automatic parking control method of a vehicle according to claim 7, characterized by further comprising:
detecting whether the vehicle door is in a closed state;
if the state of the vehicle door is in the closed state, detecting whether the ignition switch is in an ON gear or detecting the rotating speed of the engine;
and if the ignition switch is in the ON gear or the rotating speed of the engine is not 0, controlling the two-position three-way valve to be powered off.
9. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any of claims 6-8 when executing the computer program.
10. A computer-readable medium having non-volatile program code executable by a processor, wherein the program code causes the processor to perform the method of any of claims 6-8.
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| CN202010541860.1A CN111645650A (en) | 2020-06-15 | 2020-06-15 | Automatic parking control system and method for vehicle |
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