CN113844406B - Vehicle keyless starting method and system and vehicle - Google Patents
Vehicle keyless starting method and system and vehicle Download PDFInfo
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- CN113844406B CN113844406B CN202111157880.XA CN202111157880A CN113844406B CN 113844406 B CN113844406 B CN 113844406B CN 202111157880 A CN202111157880 A CN 202111157880A CN 113844406 B CN113844406 B CN 113844406B
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- vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
- B60R25/248—Electronic key extraction prevention
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Abstract
The invention discloses a vehicle keyless starting method, a system and a vehicle, comprising the following steps: the method comprises the steps that a starting switch is pressed, whether a key is in a vehicle is detected, if the key is detected to be in the vehicle, a keyless controller switches a power supply of the whole vehicle from an OFF gear to an ACC gear or an ON gear, and the keyless controller sets a key finding Flag bit to be 1; detecting whether the state of a vehicle door or the state of a vehicle window or the state of an engine is changed, if so, setting a key finding Flag bit Flag from 1 to 0 by the keyless controller; otherwise, the Flag bit Flag of the key is found and kept as 1; the brake is stepped on or the clutch is stepped on, and meanwhile, the starting switch is pressed, and the keyless controller detects the Flag state of the found key; if flag=1, the keyless controller directly transmits a start request signal to an Engine Controller (ECU) to start the vehicle. The method does not influence the functions and experience of the vehicle when the power-on is interfered, so that the trouble of vehicle use is avoided to a certain extent, and the driving experience is improved.
Description
Technical Field
The invention relates to the technical field of vehicle control, in particular to a vehicle keyless starting method and system and a vehicle.
Background
With the development of automobile intellectualization, keyless control systems for many years are experienced with certain challenges. For example, (1) a vehicle recorder is additionally arranged on a user, electricity is taken from a cigar lighter, and when a vehicle is started, a power supply at the cigar lighter interferes with a key, so that the instrument prompts that the key is not detected, and driving experience is affected; if the vehicle owner is electrified and then started, the problem that the vehicle cannot be started can occur; (2) for a vehicle with a wireless charging function, the problem that the mobile phone repeatedly prompts charging occurs when the vehicle is restarted after being electrified. These problems are now becoming urgent to be solved in the era of increasingly higher driving experience requirements.
Disclosure of Invention
The invention aims to provide a keyless starting method and system for a vehicle, and the vehicle, wherein the function and experience of the vehicle are not affected when the vehicle is interfered after the power is on, so that the trouble of using the vehicle can be avoided to a certain extent, and the driving experience is improved.
In order to achieve the above object, the present invention provides a vehicle keyless starting method, comprising the steps of:
(S1) pressing a start switch to detect whether a key is in a vehicle, and if the key is detected to be in the vehicle, switching a whole vehicle power supply from an OFF gear to an ACC gear or an ON gear by a keyless controller, and setting a key finding Flag bit as 1 by the keyless controller;
(S2) detecting whether the state of a vehicle door or the state of a vehicle window or the state of an engine is changed, and if so, setting a key finding Flag bit Flag from 1 to 0 by the keyless controller; otherwise, the Flag bit Flag of the key is found and kept as 1;
(S3) stepping on a brake or stepping on a clutch and simultaneously pressing a starting switch, and detecting a Flag state of a key finding Flag by the keyless controller; if flag=1, then step (S4) is performed; if flag=0, then step (S5) is performed;
(S4) the keyless controller directly transmitting a start request signal to an Engine Controller (ECU) to start the vehicle;
(S5) the keyless controller drives the low-frequency antenna to detect a key, and if the key is detected to be in the vehicle, a starting request signal is sent to the engine controller to start the vehicle; if no key is detected or the key is detected to be outside the vehicle, the keyless controller does not send a start request signal.
Further, whether the state of the vehicle door or the state of the vehicle window or the state of the engine is changed is detected, if yes, the keyless controller sets the Flag bit Flag of the found key from 1 to 0; otherwise, the key Flag bit Flag is found and kept to be 1, and the following steps are specifically executed:
(S21) when a starting switch is pressed and a key is detected in the vehicle, the keyless controller switches the power supply of the whole vehicle from an OFF gear to an ACC gear/ON gear; the keyless controller sets a key finding Flag bit Flag to be 1;
(S22) the keyless controller detects whether the vehicle door is opened or not through the vehicle door state detection switch, if so, the keyless controller sets a key finding Flag bit Flag from 1 to 0, and the process is ended; if not, go to execute step (S23);
(S23) the keyless controller detects whether the vehicle door is opened or not through the vehicle window state detection switch, if so, the keyless controller sets a key finding Flag bit Flag from 1 to 0, and the process is ended; if not, go to execute step (S24);
(S24) judging whether the whole vehicle is started or not by the keyless controller according to the engine state sent by the engine controller, if so, setting a key finding Flag bit Flag from 1 to 0 by the keyless controller, and ending the flow; if not, go to execute step (S22).
Further, the door state detection switch is a door touch switch.
Further, the vehicle window state detection switch is a vehicle window switch travel switch.
Further, the following steps are performed: if the key is detected not to be in the vehicle, the prompting unit prompts that the key is not in the vehicle.
Further, the prompting unit is a vehicle instrument and/or a vehicle loudspeaker and/or a vehicle machine.
The invention also provides a vehicle keyless start system, comprising:
starting a switch;
the vehicle door state detection switch is used for detecting the opening and closing states of the vehicle door after the whole vehicle is electrified;
the vehicle window state detection switch is used for detecting the state of the vehicle window switch after the whole vehicle is electrified;
the low-frequency antenna is used for detecting the position of the key;
an engine controller for sending an engine state and a control signal to the engine;
the keyless control system is used for switching the power supply gear of the whole vehicle, identifying the state of the key finding flag bit Falg, driving the low-frequency antenna to detect a key and sending a starting request signal to the engine control;
the starting switch, the vehicle door state detection switch, the vehicle window state detection switch, the low-frequency antenna and the engine controller are respectively connected with the keyless control system; the vehicle keyless system is configured to perform the steps of the vehicle keyless start method.
Further, the system also comprises a prompting unit for prompting that the key is not in the vehicle, and the prompting unit is connected with the keyless control system.
The invention also provides a vehicle, which comprises the vehicle keyless starting system.
Compared with the prior art, the invention has the following advantages:
according to the vehicle keyless starting method, the system and the vehicle, the whole vehicle is electrified when the key is detected in the vehicle, the vehicle window state, the vehicle door state and the engine state are detected through the keyless starting system after the key is electrified, then the key finding marker is identified after the vehicle is started, when flag=1, the keyless controller directly sends a starting request signal to an Engine Controller (ECU), the vehicle is started, the starting failure problem caused by low-frequency signal interference of electric equipment to the key after the vehicle is electrified is avoided, the problem that a mobile phone with a wireless charging function is repeatedly prompted to charge the vehicle is avoided, the vehicle function and experience are not affected when the interference occurs after the power is electrified, the vehicle using trouble of a user is avoided to a certain extent, and the user experience is improved.
Drawings
FIG. 1 is a flow chart of a method of keyless start of a vehicle of the present invention;
FIG. 2 is a flowchart of the key-finding flag bit acquisition in FIG. 1;
fig. 3 is a schematic structural view of the keyless start system of the vehicle according to the present invention.
In the figure:
1-starting switch, 2-door state detection switch, 3-window state detection switch, 4-low frequency antenna, 5-engine controller, 6-keyless control system, 7-prompt unit.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
Referring to fig. 1 to 2, the present embodiment discloses a vehicle keyless starting method, which includes the steps of:
(S1) pressing a start switch to detect whether a key is in a vehicle, if so, switching a whole vehicle power supply from an OFF gear to an ACC gear or an ON gear by a keyless controller, and setting a key finding Flag bit to be 1 by the keyless controller; otherwise, the whole vehicle does not go to the current process and ends.
(S2) detecting whether the state of a vehicle door or the state of a vehicle window or the state of an engine is changed, and if so, setting a key finding Flag bit Flag from 1 to 0 by the keyless controller; otherwise, the Flag bit Flag of the key is found and kept as 1;
(S3) stepping on a brake or stepping on a clutch and simultaneously pressing a starting switch, and detecting a Flag state of a key finding Flag by the keyless controller; if flag=1, then step (S4) is performed; if flag=0, then step (S5) is performed;
(S4) the keyless controller directly transmitting a start request signal to an Engine Controller (ECU) to start the vehicle;
(S5) the keyless controller drives the low-frequency antenna to detect a key, and if the key is detected to be in the vehicle, a starting request signal is sent to the engine controller to start the vehicle; if no key is detected or the key is detected to be outside the vehicle, the keyless controller does not send a start request signal.
In this embodiment, whether the door state, the window state or the engine state is changed is detected, if yes, the keyless controller sets the key finding Flag bit Flag from 1 to 0; otherwise, the key Flag bit Flag is found and kept to be 1, and the following steps are specifically executed:
(S21) when a starting switch is pressed and a key is detected in the vehicle, the keyless controller switches the power supply of the whole vehicle from an OFF gear to an ACC gear/ON gear; the keyless controller sets a key finding Flag bit Flag to be 1;
(S22) the keyless controller detects whether the vehicle door is opened or not through the vehicle door state detection switch, if so, the keyless controller sets a key finding Flag bit Flag from 1 to 0, and the process is ended; if not, go to execute step (S23);
(S23) the keyless controller detects whether the vehicle door is opened or not through the vehicle window state detection switch, if so, the keyless controller sets a key finding Flag bit Flag from 1 to 0, and the process is ended; if not, go to execute step (S24);
(S24) judging whether the whole vehicle is started or not by the keyless controller according to the engine state sent by the engine controller, if so, setting a key finding Flag bit Flag from 1 to 0 by the keyless controller, and ending the flow; if not, go to execute step (S22).
In this embodiment, the door state detection switch is a door touch switch.
In this embodiment, the window state detection switch is a window switch travel switch.
In the present embodiment, the following steps are also performed: if the key is detected not to be in the vehicle, the prompting unit prompts that the key is not in the vehicle.
In this embodiment, the prompting unit is a vehicle instrument and/or a vehicle horn and/or a vehicle machine.
Referring to fig. 3, the embodiment further discloses a vehicle keyless start system, which includes:
starting the switch 1;
the door state detection switch 2 is used for detecting the opening and closing states of the doors after the whole vehicle is electrified;
the vehicle window state detection switch 3 is used for detecting the state of the vehicle window switch after the whole vehicle is electrified;
a low frequency antenna 4 for detecting a key position;
an engine controller 5 for sending an engine state and a control signal to the engine;
the keyless control system 6 is used for switching the power supply gear of the whole vehicle, identifying the state of the key finding flag bit Falg, driving the low-frequency antenna 4 to detect a key and sending a starting request signal to the engine control 5;
the starting switch 1, the vehicle door state detection switch 2, the vehicle window state detection switch 3, the low-frequency antenna 4 and the engine controller 5 are respectively connected with the keyless control system 6; the vehicle keyless system is configured to perform the steps of the vehicle keyless start method described above.
In this embodiment, the vehicle further comprises a prompting unit 7 for prompting that the key is not in the vehicle, and the prompting unit 7 is connected with the keyless control system 6.
The embodiment also discloses a vehicle, which comprises the vehicle keyless starting system.
According to the vehicle keyless starting method, the system and the vehicle, the whole vehicle is electrified when the key is detected in the vehicle, the vehicle window state, the vehicle door state and the engine state are detected through the keyless starting system after the power is electrified, then the key finding marker bit is identified after the vehicle is started, when Flag is=1, the keyless controller directly sends a starting request signal to an Engine Controller (ECU), the vehicle is started, the starting failure problem caused by low-frequency signal interference of electric equipment after the vehicle is electrified is avoided, the problem that a mobile phone with a wireless charging function is repeatedly prompted to charge the vehicle is avoided, the vehicle function and experience are not influenced when the interference occurs after the power is electrified, the trouble of using the vehicle of a user is avoided to a certain extent, and the user experience is improved.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (9)
1. A method for keyless start of a vehicle, comprising the steps of:
(S1) pressing a start switch to detect whether a key is in a vehicle, and if the key is detected to be in the vehicle, switching a whole vehicle power supply from an OFF gear to an ACC gear or an ON gear by a keyless controller, and setting a key finding Flag bit as 1 by the keyless controller;
(S2) detecting whether the state of a vehicle door or the state of a vehicle window or the state of an engine is changed, and if so, setting a key finding Flag bit Flag from 1 to 0 by the keyless controller; otherwise, the Flag bit Flag of the key is found and kept as 1;
(S3) stepping on a brake or stepping on a clutch and simultaneously pressing a starting switch, and detecting a Flag state of a key finding Flag by the keyless controller; if flag=1, then step (S4) is performed; if flag=0, then step (S5) is performed;
(S4) the keyless controller directly transmitting a start request signal to an Engine Controller (ECU) to start the vehicle;
(S5) the keyless controller drives the low-frequency antenna to detect a key, and if the key is detected to be in the vehicle, a starting request signal is sent to the engine controller to start the vehicle; if no key is detected or the key is detected to be outside the vehicle, the keyless controller does not send a start request signal.
2. The method according to claim 1, wherein the detecting whether the door state or window state or the engine state is changed, if so, the keyless controller sets the key Flag from 1 to 0; otherwise, the key Flag bit Flag is found and kept to be 1, and the following steps are specifically executed:
(S21) when a starting switch is pressed and a key is detected in the vehicle, the keyless controller switches the power supply of the whole vehicle from an OFF gear to an ACC gear/ON gear; the keyless controller sets a key finding Flag bit Flag to be 1;
(S22) the keyless controller detects whether the vehicle door is opened or not through the vehicle door state detection switch, if so, the keyless controller sets a key finding Flag bit Flag from 1 to 0, and the process is ended; if not, go to execute step (S23);
(S23) the keyless controller detects whether the vehicle door is opened or not through the vehicle window state detection switch, if so, the keyless controller sets a key finding Flag bit Flag from 1 to 0, and the process is ended; if not, go to execute step (S24);
(S24) judging whether the whole vehicle is started or not by the keyless controller according to the engine state sent by the engine controller, if so, setting a key finding Flag bit Flag from 1 to 0 by the keyless controller, and ending the flow; if not, go to execute step (S22).
3. The vehicle keyless start method according to claim 2, wherein the door state detection switch is a door touch switch.
4. A vehicle keyless start method according to claim 3, characterized in that the window state detection switch is a window switch travel switch.
5. The vehicle keyless start method according to any one of claims 1 to 4, characterized by further performing the steps of: if the key is detected not to be in the vehicle, the prompting unit prompts that the key is not in the vehicle.
6. The vehicle keyless start method according to claim 5, wherein the prompting unit is a vehicle instrument and/or a vehicle horn and/or a vehicle machine.
7. A keyless start system for a vehicle, comprising:
a start switch (1);
the vehicle door state detection switch (2) is used for detecting the opening and closing states of the vehicle door after the whole vehicle is electrified;
the vehicle window state detection switch (3) is used for detecting the state of the vehicle window switch after the whole vehicle is electrified;
a low frequency antenna (4) for detecting a key position;
an engine controller (5) for sending an engine state and a control signal to the engine;
the keyless control system (6) is used for switching the power supply gear of the whole vehicle, identifying the state of the key finding flag bit Falg, driving the low-frequency antenna (4) to detect a key and sending a starting request signal to the engine controller (5);
the starting switch (1), the vehicle door state detection switch (2), the vehicle window state detection switch (3), the low-frequency antenna (4) and the engine controller (5) are respectively connected with the keyless control system (6); the vehicle keyless system is configured to perform the steps of the vehicle keyless start method according to any one of claims 1 to 6.
8. The vehicle keyless start system according to claim 7, further comprising a presentation unit (7) for presenting that the key is not in the vehicle, the presentation unit (7) being connected with the keyless control system (6).
9. A vehicle comprising the vehicle keyless start system according to claim 7 or 8.
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| CN202111157880.XA CN113844406B (en) | 2021-09-30 | 2021-09-30 | Vehicle keyless starting method and system and vehicle |
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| CN202111157880.XA CN113844406B (en) | 2021-09-30 | 2021-09-30 | Vehicle keyless starting method and system and vehicle |
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| CN113844406B true CN113844406B (en) | 2023-09-22 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115107696A (en) * | 2022-01-13 | 2022-09-27 | 长城汽车股份有限公司 | Vehicle control method, vehicle and storage medium |
| CN115042744B (en) * | 2022-03-30 | 2023-04-28 | 东风汽车集团股份有限公司 | Method for controlling prompt function of key intervening in wireless charging function in car |
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