CN114148291B - Power supply control method of keyless control system - Google Patents
Power supply control method of keyless control system Download PDFInfo
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- CN114148291B CN114148291B CN202111522210.3A CN202111522210A CN114148291B CN 114148291 B CN114148291 B CN 114148291B CN 202111522210 A CN202111522210 A CN 202111522210A CN 114148291 B CN114148291 B CN 114148291B
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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
- B60R25/40—Features of the power supply for the anti-theft system, e.g. anti-theft batteries, back-up power supply or means to save battery power
- B60R25/403—Power supply in the vehicle
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Abstract
The invention discloses a power supply control method of a keyless control system, which has the main design conception that after the authority of a non-contact intelligent key is verified, signals such as a starting switch, a brake pedal state, a gear lever position, a vehicle speed, a set time threshold value and the like are combined for logical carding, and corresponding conditions are formulated, so that the power supply state of a vehicle can be effectively and clearly switched and changed.
Description
Technical Field
The invention relates to the field of vehicle control, in particular to a power supply control method of a keyless control system.
Background
With the continuous development of automobile electronics, the configuration of vehicle electrical appliances is more and more abundant, the intellectualization degree and the networking degree are higher and higher, and the convenience pursuit brought by people to the vehicle intellectualization is higher and higher, so that the automobile key can be seen from the development history of the automobile key, and the automobile key is used as a unique ID for allowing a vehicle to enter and is a necessary tool for the personnel to enter the vehicle and the vehicle power supply management. The traditional vehicle key comprises a mechanical key, a mechanical key with a remote control function and a PEPS (keyless entry and start system); the earliest automobile mechanical key needs to insert a key into a key hole ignition switch to carry out power supply management such as power-on and power-off, starting and the like on the automobile; with the development of vehicle electronics, intellectualization is gradually applied to automobiles, most vehicles adopt a keyless entry and starting system, and particularly, after the vehicle adopts a physical intelligent key and carries out identity legality verification with a vehicle control unit, non-contact control of power-on and power-off, starting control and the like of the vehicle can be realized.
However, the control logic of the PEPS is still imperfect at present, and optimization and improvement are still needed especially in the power management and control related to vehicle running and starting by the smart key.
Disclosure of Invention
In view of the above, the present invention aims to provide a power control method for a keyless control system to overcome the shortcomings of the power control of the keyless control system.
The technical scheme adopted by the invention is as follows:
a power supply control method of a keyless control system comprises the following steps:
when the power supply gear of the vehicle is in an OFF gear, detecting the legal safety of the non-contact intelligent key;
after the legal safety detection is passed, monitoring the state of a brake pedal, the state of a preset starting switch and a position signal of a gear lever;
when the fact that a brake pedal is not pressed down and the starting switch is triggered is monitored, the power gear is changed from an OFF gear to an ACC gear;
when the starting switch is triggered when the brake pedal is monitored to be pressed down, and the gear lever is located in a P gear or an N gear, the vehicle is started, and the power supply gear is changed into an IG RUNNING gear from an OFF gear;
when the fact that the brake pedal is pressed down is monitored, the starting switch is triggered, and the gear lever is in a non-P gear and a non-N gear, the power supply gear is changed from an OFF gear to an IG ON gear;
after the power gear is in the ACC gear, if the change of the power gear is not detected within a preset first time, triggering the power gear to be changed from the ACC gear to the OFF gear;
after the power supply gear is in the IG RUNNING gear, according to the vehicle speed and the state of the starting switch, triggering the power supply gear to be changed from the IG RUNNING gear to the OFF gear;
after the power supply gear is in the IG ON gear, the power supply gear is triggered to be changed from the IG ON gear to the OFF gear according to the vehicle speed, the state of a brake pedal and the state of a starting switch.
In at least one possible implementation manner, the triggering the power source gear to change from the IG RUNNING gear to the OFF gear according to the vehicle speed and the state of the starting switch includes:
when the vehicle speed is smaller than a preset vehicle speed threshold value, the vehicle speed validity is judged to be invalid, and meanwhile, when the starting switch is monitored to be triggered, the power supply gear is triggered to be changed from an IG RUNNING gear to an OFF gear; or
When the vehicle speed is greater than or equal to a preset vehicle speed threshold value or the vehicle speed validity is judged to be valid and the starting switch is triggered for a preset number of times within a preset second time, the power supply gear is triggered to be changed from an IG RUNNING gear to an OFF gear; or
When the vehicle speed is greater than or equal to a preset vehicle speed threshold value or the vehicle speed validity is judged to be valid, and the starting switch is triggered and the duration is greater than or equal to a preset third time, the power supply gear is triggered to be changed from an IG RUNNING gear to an OFF gear.
In at least one possible implementation manner, the triggering the power range to change from the IG ON range to the OFF range according to the vehicle speed, the state of the brake pedal and the state of the start switch includes:
when the vehicle speed is smaller than a preset vehicle speed threshold value, the vehicle speed validity is judged to be invalid, a brake pedal is not stepped, and meanwhile it is monitored that a starting switch is triggered, the power supply gear is triggered to be changed from an IG ON gear to an OFF gear; or
When the vehicle speed is greater than or equal to a preset vehicle speed threshold value or the vehicle speed validity is judged to be valid and the brake pedal is not stepped down, and the starting switch is triggered for a preset number of times within a preset second time, the power supply gear is triggered to be changed from an IG ON gear to an OFF gear; or
When the vehicle speed is greater than or equal to a preset vehicle speed threshold value or the vehicle speed validity is judged to be valid and the brake pedal is not pressed down, and the starting switch is triggered and the duration time is greater than or equal to a preset third time, the power supply gear is triggered to be changed from an IG ON gear to an OFF gear.
In at least one possible implementation manner, after the electric power gear is in the ACC gear, if it is detected that the brake pedal is not pressed, and it is monitored that the starting switch is continuously triggered and the duration time is less than the preset fourth timing, the electric power gear is triggered to be changed from the ACC gear to the IG ON gear.
In at least one possible implementation manner, after the electric power gear is in the ACC gear, if it is detected that the brake pedal is not pressed, and it is monitored that the starting switch is continuously triggered and the duration is greater than or equal to the fourth timing, and it is detected that the gear lever is in the P gear or the N gear, the vehicle is started, and the electric power gear is changed from the ACC gear to the IG RUNNING gear.
In at least one possible implementation manner, after the electric power gear is in the ACC gear, if it is detected that the brake pedal is not pressed, and it is monitored that the starting switch is continuously triggered and the duration is greater than or equal to the fourth timing, and it is detected that the gear lever is in the non-P gear and the non-N gear, the electric power gear is triggered to be changed from the ACC gear to the IG ON gear.
In at least one possible implementation manner, after the power supply gear is in the IG ON gear, if the starting switch is triggered while the brake pedal is monitored to be pressed down, and the gear lever is currently in the P gear or the N gear, the vehicle is started, and the power supply gear is changed from the IG ON gear to the IG RUNNING gear.
In at least one possible implementation manner, the detecting the legal security of the contactless smart key includes: and judging whether the sensed identity of the intelligent key is legal or not and whether the intelligent key passes the anti-theft authentication or not.
The invention has the main design concept that after the authority of the non-contact intelligent key is verified, signals such as a starting switch, a brake pedal state, a gear lever position, a vehicle speed, a set time threshold value and the like are combined for logic combing, and corresponding conditions are formulated, so that the power supply state of the vehicle can be effectively and clearly switched and changed.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings, in which:
fig. 1 is a flowchart of a power control method of a keyless control system according to an embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The present invention provides an embodiment of a power control method for a keyless control system, specifically, as shown in fig. 1, the method includes:
step S0, when the power supply gear of the vehicle is in the OFF gear, detecting the legal safety of the non-contact intelligent key;
step S1, after the legal safety detection is passed, monitoring the state of a brake pedal, the state of a preset starting switch and a position signal of a gear lever;
step S21, when it is detected that the brake pedal is not pressed down and the starting switch is triggered, the power supply gear is changed from the OFF gear to the ACC gear;
step S31, when the starting switch is triggered when the brake pedal is monitored to be pressed down, and the gear lever is located in a P gear or an N gear, the vehicle is started, and the power supply gear is changed into an IG RUNNING gear from an OFF gear;
step S41, when the brake pedal is monitored to be pressed down, the starting switch is triggered, and the gear lever is in a non-P gear and a non-N gear, the power supply gear is changed from an OFF gear to an IG ON gear;
step S22, after the power gear is in the ACC gear, if the power gear is not detected to be changed within a preset first timing (such as 30 minutes), triggering the power gear to be changed from the ACC gear to the OFF gear;
step S32, after the power supply gear is in the IG RUNNING gear, according to the vehicle speed and the state of the starting switch, triggering the power supply gear to change from the IG RUNNING gear to the OFF gear;
and step S42, after the power supply shift position is in the IG ON shift position, according to the vehicle speed, the state of the brake pedal and the state of the starting switch, triggering the power supply shift position to be changed from the IG ON shift position to the OFF shift position.
Further, the triggering the power source gear to change from the IG RUNNING gear to the OFF gear according to the vehicle speed and the state of the starting switch includes:
when the vehicle speed is less than a preset vehicle speed threshold (such as 4km/h), the vehicle speed validity is judged to be invalid, and meanwhile, when the starting switch is monitored to be triggered, the power supply gear is triggered to be changed from an IG RUNNING gear to an OFF gear; or
When the vehicle speed is greater than or equal to a preset vehicle speed threshold (such as 4km/h) or the vehicle speed validity is judged to be valid, and the starting switch is triggered for a preset number of times (such as 3 times) within a preset second time (such as 3s), the power supply gear is triggered to be changed from an IG RUNNING gear to an OFF gear; or
When the vehicle speed is greater than or equal to a preset vehicle speed threshold (such as 4km/h) or the vehicle speed validity is judged to be valid, and the starting switch is triggered and the duration is greater than or equal to a preset third time (such as 3s) at the same time, the power supply gear is triggered to be changed from the IG RUNNING gear to the OFF gear.
Further, the triggering the power source gear to change from the IG ON gear to the OFF gear according to the vehicle speed, the state of the brake pedal and the state of the starting switch comprises the following steps:
when the vehicle speed is less than a preset vehicle speed threshold (such as 4km/h), the vehicle speed validity is judged to be invalid, a brake pedal is not pressed down, and meanwhile, a starting switch is monitored to be triggered, the power supply gear is triggered to be changed from an IG ON gear to an OFF gear; or
When the vehicle speed is greater than or equal to a preset vehicle speed threshold (such as 4km/h) or the vehicle speed validity is judged to be valid and the brake pedal is not stepped ON, and the starting switch is triggered for preset times (such as 3 times) within preset second timing (such as 3s), the power supply gear is triggered to be changed from an IG ON gear to an OFF gear; or alternatively
When the vehicle speed is greater than or equal to a preset vehicle speed threshold (such as 4km/h) or the vehicle speed validity is judged to be valid and the brake pedal is not pressed down, and the starting switch is triggered and the duration time is greater than or equal to a preset third time (such as 3s) are monitored at the same time, the power supply gear is triggered to be changed from an IG ON gear to an OFF gear.
Further, after the electric power gear is in the ACC gear, if it is detected that the brake pedal is not pressed and it is monitored that the starting switch is continuously triggered and the duration is less than a preset fourth time (for example, 15s), the electric power gear is triggered to be changed from the ACC gear to the IG ON gear.
Further, if the starting switch is continuously triggered and the duration time is greater than or equal to the fourth timing, and the gear lever is detected to be in the P gear or the N gear, the vehicle is started, and the power supply gear is changed from the ACC gear to the IG RUNNING gear.
Further, if the starting switch is monitored to be continuously triggered, the duration time is greater than or equal to the fourth timing, and the gear lever is detected to be in a non-P gear and a non-N gear, the power gear is triggered to be changed from an ACC gear to an IG ON gear.
Further, after the power supply gear is in the IG ON gear, if it is monitored that the brake pedal is pressed while the starting switch is triggered, and the gear lever is currently in the P gear or the N gear, the vehicle is started, and the power supply gear is changed from the IG ON gear to the IG RUNNING gear.
Further, the detecting the legal security of the contactless smart key includes: and judging whether the sensed identity of the intelligent key is legal or not and whether the intelligent key passes the anti-theft authentication or not.
In summary, the main design concept of the present invention is that after the authority verification is performed on the non-contact smart key, the signals such as the start switch, the brake pedal state, the shift lever position, the vehicle speed, and the set time threshold are combined to perform logic combing, and corresponding conditions are formulated, so that the power state of the vehicle can be effectively and clearly switched and changed.
In the embodiments of the present invention, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, and means that there may be three relationships, for example, a and/or B, and may mean that a exists alone, a and B exist simultaneously, and B exists alone. Wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" and similar expressions refer to any combination of these items, including any combination of singular or plural items. For example, at least one of a, b, and c may represent: a, b, c, a and b, a and c, b and c or a and b and c, wherein a, b and c can be single or multiple.
The structure, features and effects of the present invention have been described in detail with reference to the embodiments shown in the drawings, but the above embodiments are merely preferred embodiments of the present invention, and it should be understood that technical features related to the above embodiments and preferred modes thereof can be reasonably combined and configured into various equivalent schemes by those skilled in the art without departing from and changing the design idea and technical effects of the present invention; therefore, the invention is not limited to the embodiments shown in the drawings, and all the modifications and equivalent embodiments that can be made according to the idea of the invention are within the scope of the invention as long as they are not beyond the spirit of the description and the drawings.
Claims (8)
1. A power supply control method of a keyless control system is characterized by comprising the following steps:
when the power supply gear of the vehicle is in an OFF gear, detecting the legal safety of the non-contact intelligent key;
after the legal safety detection is passed, monitoring the state of a brake pedal, the state of a preset starting switch and a position signal of a gear lever;
when the fact that a brake pedal is not pressed down and the starting switch is triggered is monitored, the power gear is changed from an OFF gear to an ACC gear;
when the starting switch is triggered when the brake pedal is monitored to be pressed down, and the gear lever is located in a P gear or an N gear, the vehicle is started, and the power supply gear is changed into an IG RUNNING gear from an OFF gear;
when the brake pedal is monitored to be stepped ON, the starting switch is triggered, and the gear lever is in a non-P gear and a non-N gear, the power supply gear is changed from an OFF gear to an IG ON gear;
after the power gear is in the ACC gear, if the change of the power gear is not detected within a preset first time, triggering the power gear to be changed from the ACC gear to the OFF gear;
after the power supply gear is in the IG RUNNING gear, triggering the power supply gear to be changed from the IG RUNNING gear to the OFF gear according to the vehicle speed and the state of the starting switch;
after the power supply gear is in the IG ON gear, the power supply gear is triggered to be changed from the IG ON gear to the OFF gear according to the vehicle speed, the state of a brake pedal and the state of a starting switch.
2. The keyless control system power supply control method according to claim 1, wherein the triggering the change of the power supply range from the IG RUNNING range to the OFF range according to the vehicle speed and the state of the starting switch comprises:
when the vehicle speed is smaller than a preset vehicle speed threshold value, the vehicle speed validity is judged to be invalid, and meanwhile, when the starting switch is monitored to be triggered, the power supply gear is triggered to be changed from an IG RUNNING gear to an OFF gear; or
When the vehicle speed is greater than or equal to a preset vehicle speed threshold value or the vehicle speed validity is judged to be valid and the starting switch is triggered for a preset number of times within a preset second time, the power supply gear is triggered to be changed from an IG RUNNING gear to an OFF gear; or
When the vehicle speed is greater than or equal to a preset vehicle speed threshold value or the vehicle speed validity is judged to be valid, and the starting switch is triggered and the duration time is greater than or equal to a preset third time, the power supply gear is triggered to be changed from the IG RUNNING gear to the OFF gear.
3. The keyless control system power supply control method according to claim 1, wherein the triggering the power supply shift position to change from the IG ON shift position to the OFF shift position according to the vehicle speed, the brake pedal state, and the state of the start switch comprises:
when the vehicle speed is smaller than a preset vehicle speed threshold value, the vehicle speed validity is judged to be invalid, a brake pedal is not stepped, and meanwhile it is monitored that a starting switch is triggered, the power supply gear is triggered to be changed from an IG ON gear to an OFF gear; or
When the vehicle speed is greater than or equal to a preset vehicle speed threshold value or the vehicle speed validity is judged to be valid and the brake pedal is not stepped down, and the starting switch is triggered for a preset number of times within a preset second time, the power supply gear is triggered to be changed from an IG ON gear to an OFF gear; or
When the vehicle speed is greater than or equal to a preset vehicle speed threshold value or the vehicle speed validity is judged to be valid and the brake pedal is not pressed down, and the starting switch is triggered and the duration time is greater than or equal to a preset third time, the power supply gear is triggered to be changed from an IG ON gear to an OFF gear.
4. The power control method of the keyless control system according to claim 1, wherein after the power shift is in the ACC gear, if it is detected that the brake pedal is not depressed and it is monitored that the start switch is continuously activated for a time period less than a preset fourth timing, the power shift is changed from the ACC gear to the IG ON gear.
5. The power control method of the keyless control system according to claim 4 wherein after the power shift is in ACC gear, if it is detected that the brake pedal is not depressed, and it is monitored that the start switch is continuously activated for a time period equal to or longer than the fourth timer, and it is detected that the shift lever is in P gear or N gear, the vehicle is started and the power shift is changed from ACC gear to IG RUNNING gear.
6. The power control method of the keyless control system according to claim 4 wherein after the power shift is in ACC gear, if it is detected that the brake pedal is not depressed, and it is monitored that the start switch is continuously activated for a time period longer than or equal to the fourth timing, and it is detected that the shift lever is in non-P gear and non-N gear, the power shift is activated to change from ACC gear to IG ON gear.
7. The power control method of a keyless entry system according to claim 1 wherein after the power position is in IG ON, if the start switch is triggered while the brake pedal is monitored to be depressed and the shift lever is currently in P range or N range, the vehicle is started and the power position is changed from IG ON to IG RUNNING.
8. The power control method of the keyless control system according to any one of claims 1 to 7, wherein the detecting the legal security of the contactless smart key comprises: and judging whether the sensed identity of the intelligent key is legal or not and whether the intelligent key passes the anti-theft authentication or not.
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