CN115234104A - Keyless triggering method, controller and vehicle - Google Patents
Keyless triggering method, controller and vehicle Download PDFInfo
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- CN115234104A CN115234104A CN202110450597.XA CN202110450597A CN115234104A CN 115234104 A CN115234104 A CN 115234104A CN 202110450597 A CN202110450597 A CN 202110450597A CN 115234104 A CN115234104 A CN 115234104A
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B77/00—Vehicle locks characterised by special functions or purposes
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/32—Vehicle locks characterised by special functions or purposes allowing simultaneous actuation of locking or unlocking elements and a handle, e.g. preventing interference between an unlocking and an unlatching action
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
- E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/10—Handles
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- Lock And Its Accessories (AREA)
Abstract
The invention provides a keyless triggering method, a controller and a vehicle, and belongs to the technical field of automobile control. The method is applied to a controller in a vehicle, wherein the controller is connected with a pressing detector which is used for detecting an outer handle of the vehicle; the method comprises the following steps: acquiring a press feedback signal by the press detector; determining the pressing depth of the outer handle according to a first index of the pressing feedback signal, and determining the pressing duration of the outer handle according to a second index of the pressing feedback signal; and controlling the door lock of the vehicle to be unlocked under the condition that the pressing depth and the pressing duration are simultaneously in accordance with the pressing requirement of the user. Therefore, the accuracy of controlling the unlocking of the door lock by keyless triggering can be improved, and the conditions of false triggering and incapability of triggering are avoided.
Description
Technical Field
The invention belongs to the technical field of automobile control, and particularly relates to a keyless triggering method, a controller and a vehicle.
Background
Currently, in the field of automobiles, a Passive Entry Passive Start (PEPS) system has become a common configuration, providing better convenience and security for vehicle owners.
In the related art, the keyless entry and start system is mainly a dual rf system match between the smart key and the vehicle. The outside door handle of the automobile is often provided with a keyless-triggering entry function, and the keyless-triggering mode mainly includes various modes such as capacitance induction, key switch and gesture control.
However, when raining or cleaning a vehicle, the outer door handle having capacitive sensing or gesture control is likely to be erroneously triggered; in addition, in a low-temperature environment, water is stored in a key switch gap after raining or cleaning a vehicle, which may cause the key switch gap to freeze, thereby causing the key switch to fail.
Disclosure of Invention
In view of the above, the present invention provides a keyless triggering method, a controller and a vehicle, so as to solve the technical problem of low accuracy of the keyless triggering method in the related art.
In a first aspect, a keyless triggering method is provided, which is applied to a controller in a vehicle, wherein the controller is connected with a press detector, and the press detector is used for detecting an outer handle of the vehicle; the method comprises the following steps:
acquiring a press feedback signal by the press detector;
determining the pressing depth of the outer handle according to the first index of the pressing feedback signal, and determining the pressing duration of the outer handle according to the second index of the pressing feedback signal;
and controlling the door lock of the vehicle to be unlocked under the condition that the pressing depth and the pressing duration are confirmed to simultaneously meet the pressing requirement of the user.
In a second aspect, a controller is provided, which is applied to a vehicle, and is connected with a pressing detector, wherein the pressing detector is used for detecting an outer handle of the vehicle; the controller includes:
the acquisition module is used for acquiring a pressing feedback signal through the pressing detector;
the parameter determination module is used for determining the pressing depth of the outer handle according to the first index of the pressing feedback signal and determining the pressing duration of the outer handle according to the second index of the pressing feedback signal;
and the first control module is used for controlling the unlocking of the vehicle door lock under the condition that the pressing depth and the pressing duration are confirmed to simultaneously meet the pressing requirement of the user.
In a third aspect, a vehicle is provided comprising the keyless activation method of the first aspect.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
according to the keyless triggering method, the controller and the vehicle provided by the embodiment of the invention, the pressing feedback signal of the outer handle of the vehicle is obtained through the pressing detector connected with the controller, so that the pressing depth and the pressing duration of the outer handle can be determined according to the first index and the second index of the pressing feedback signal, and the door lock of the vehicle is controlled to be unlocked only under the condition that the pressing depth and the pressing duration are confirmed to meet the pressing requirement of a user, so that the accuracy rate of controlling the door lock to be unlocked through keyless triggering can be improved, and the conditions of false triggering and incapability of triggering are avoided.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of a keyless activation scheme provided by the related art;
FIG. 2 is a flowchart illustrating steps of a keyless triggering method according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a keyless triggering method according to an embodiment of the present invention;
FIG. 4 is a flowchart illustrating steps of another keyless entry method according to an embodiment of the present invention;
FIG. 5 is a graph illustrating a press feedback signal according to an embodiment of the present invention;
FIG. 6 is a graphical illustration of another compression feedback signal provided by an embodiment of the present invention;
FIG. 7 is a graphical illustration of another compression feedback signal provided by an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of another keyless activation method provided by an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of another keyless activation method provided by an embodiment of the present invention;
FIG. 10 is a flowchart illustrating steps of another keyless entry method according to an embodiment of the present invention;
fig. 11 is a block diagram of a controller according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
At present, the outer door handle mainly comprises an outer leakage type traditional door handle and a hidden type telescopic door handle. The outer leakage type traditional handle protrudes outwards and is fixed on the outer plate of the vehicle door; the hidden telescopic door handle is flush with the outer door panel in a driving or locking state, and plays a role in reducing wind resistance, avoiding vortex and not damaging the integral modeling effect of the side wall.
Along with the requirement of customers on the entrance comfort, the outer handles are all provided with the entrance function triggered by the keyless key, the keyless triggering mode mainly comprises various modes such as capacitance induction, key switches, intelligent key distance induction and gesture control, and the modes have risks and limitations of different degrees, so that the functions are limited to compact vehicles and vehicles above.
With the demands of automobile comfort and science and technology, more and more automobile types start to be provided with a hidden type outer handle and a keyless triggering entry function, as shown in fig. 1, a keyless triggering mode of a keyless entry key switch 14 is arranged on the hidden type outer handle, the integrity of the surface of an outer handle of the outer handle can be damaged, and due to the fact that a gap exists between the key switch 14 and the outer handle 01, under the condition of rain or water stored in a car washing gap, the temperature is low, the ice is likely to be frozen, and the key switch is likely to fail; the capacitive touch switch 13 is easy to be triggered by mistake when raining or washing a car, so that the outer handle is opened or retracted; the gesture switch 12, such as a person walking across the surface of the handle, can also cause false triggers, namely: the keyless triggering modes such as capacitance induction and gesture control are adopted, so that the problems of false triggering or difficult triggering and the like caused by environmental influence easily exist; and the no key of intelligent key distance response triggers the mode, because the consumption is big, often has the problem that leads to whole car storage battery to lack of electricity. In addition, the above keyless triggering methods all result in increased cost due to the addition of related devices, which affects the application of keyless entry to the hidden outer handle.
Therefore, in order to solve the above problems of the related art, the present invention provides a keyless entry triggering method, a controller and a vehicle, which can solve the above problems, improve the comfort of the vehicle and increase the technological feeling of the entry of the door of the customer without increasing the cost and damaging the surface of the hidden handle.
For example, fig. 2 is a flowchart illustrating steps of a keyless triggering method according to an embodiment of the present invention. The method is applied to a controller in a vehicle, the controller is connected with a pressing detector, and the pressing detector is used for detecting an outer handle of the vehicle; the method can comprise the following steps:
in the embodiment of the present application, the controller may be an Electronic Control Unit (ECU) of an outer handle controller of an outer handle of a vehicle, or may be a Drive Control Unit (DCU) of a door controller of the vehicle, which is not limited in the embodiment of the present application.
In the embodiment of the present application, the pressing detector may be a pressure sensor provided on an outer handle of the vehicle, and accordingly, the pressing feedback signal is a pressure signal of the pressure sensor; the pressing detector can also be a microswitch arranged on an outer handle of the vehicle, correspondingly, the pressing feedback signal is a pressing feedback electric signal generated by a voltage signal or a current signal of the microswitch, and the pressing feedback information which can embody the pressing condition of the outer handle of the vehicle door is fed back to the controller and is suitable for the embodiment of the application.
In the embodiment of the application, a microswitch arranged on an outer handle of a vehicle can be used as a pressing detector, and a pressing feedback signal is obtained through the microswitch.
Illustratively, as shown in fig. 3, an outer handle bracket 02 is mounted on a door outer panel of a vehicle, an actuator assembly 07 is mounted on the outer handle bracket 02, a swing arm 05 is mounted on the outer handle bracket 02 through a swing arm rotating shaft, and the swing arm 05 can rotate around the swing arm rotating shaft and return under the action of a return spring 04. The hidden external handle can be controlled by a controller, the controller can monitor a pressing feedback electric signal generated by the voltage change or the current change of the microswitch 06, and the power-on condition of the external handle actuator assembly 07 can also be controlled according to software. After the actuator assembly 07 is powered on, the swing arm 05 is pushed to rotate, the swing arm 05 rotates to enable the microswitch 06 to output a pressing feedback electric signal as a pressing feedback signal, and the controller acquires the pressing feedback signal through the microswitch 06.
And 102, determining the pressing depth of the outer handle according to the first index of the pressing feedback signal, and determining the pressing duration of the outer handle according to the second index of the pressing feedback signal.
In the embodiment of the application, when the pressing detector is a pressure sensor, the pressing feedback signal is a pressure signal, the first index can be a pressure value, and the second index can be a duration time of the pressure value which is the change of the pressure threshold value; when the pressing detector is a microswitch, the pressing feedback signal is a pressing feedback electric signal composed of a voltage signal or a current signal, the first index may be an amplitude value, and the second index may be a duration time of the amplitude value changing as an amplitude threshold, which is not limited in the embodiment of the present application.
In the embodiment of the invention, a microswitch arranged on the outer handle of the vehicle can be used as a pressing detector, after the pressing feedback signal is obtained by the microswitch, the pressing depth of the outer handle is determined according to the amplitude value of the pressing feedback signal, and the pressing duration of the outer handle is determined according to the duration that the amplitude value of the pressing feedback signal is the amplitude threshold change.
For example, as shown in fig. 3, after the actuator assembly 07 is powered on, the swing arm 05 is pushed to rotate, the swing arm 05 rotates to enable the microswitch 06 to output a pressing feedback electrical signal as a pressing feedback signal, the controller acquires the pressing feedback signal through the microswitch 06, determines the pressing depth of the outer handle according to the amplitude value of the pressing feedback signal, and determines the pressing duration of the outer handle according to the duration that the amplitude value of the pressing feedback signal is the amplitude threshold change.
And 103, controlling the door lock of the vehicle to be unlocked under the condition that the pressing depth and the pressing time duration are simultaneously in accordance with the pressing requirement of the user.
In this embodiment of the application, the pressing requirement of the user may be set by the user based on actual adjustment experience, or may be default by the system, which is not limited in this embodiment of the application.
In the embodiment of the application, after the pressing depth and the pressing duration of the outer handle are determined, the controller controls the door lock of the vehicle to be unlocked under the condition that the pressing depth and the pressing duration are simultaneously in accordance with the pressing requirement of a user.
For example, as shown in fig. 3, the controller acquires a pressing feedback signal through the microswitch 06, determines the pressing depth of the outer handle according to the amplitude value of the pressing feedback signal, determines the pressing duration of the outer handle according to the duration that the amplitude value of the pressing feedback signal is the amplitude threshold variation, and controls the door lock of the vehicle to be unlocked when the pressing depth and the pressing duration are both in accordance with the pressing requirement of the user.
According to the keyless triggering method provided by the embodiment of the invention, the pressing feedback signal of the outer handle of the vehicle is obtained through the pressing detector connected with the controller, so that the pressing depth and the pressing duration of the outer handle can be determined according to the first index and the second index of the pressing feedback signal, and the door lock of the vehicle is controlled to be unlocked only under the condition that the pressing depth and the pressing duration are confirmed to meet the pressing requirement of a user, so that the accuracy rate of controlling the door lock to be unlocked through keyless triggering can be improved, and the conditions of false triggering and incapability of triggering are avoided.
Fig. 4 is a flowchart illustrating steps of another keyless triggering method according to an embodiment of the present invention. The method is applied to a controller in a vehicle, the controller is connected with a pressing detector, and the pressing detector is used for detecting an outer handle of the vehicle; the press detector includes: a micro switch, pressing the feedback signal comprising: pressing the feedback electric signal; the microswitch is connected with the outer handle through a transmission shaft and is used for sending a pressing feedback electric signal to the controller when the pressing depth of the outer handle is greater than a depth threshold value; the first index includes: the amplitude value of the press feedback electric signal, the second index includes: the amplitude value of the press feedback electric signal is the duration of the amplitude threshold; the method can comprise the following steps:
in this embodiment of the application, the depth threshold may be set by a user based on actual adjustment experience, or may be a default numerical value of the system, for example: 1mm, the amplitude threshold may be set by the user based on actual adjustment experience, or may be a default value of the system, for example: 4. 5, 10, etc., which are not limited in the examples of the present application.
In the embodiment of the application, a sending module may be disposed in a key of a vehicle, the sending module is configured to send a key position of the vehicle to a controller when a user presses a preset button, or automatically send the key position of the vehicle to the controller at preset intervals, the preset button is configured to obtain the key position of the vehicle, the preset time may be set by the user based on actual adjustment experience, or may be a default numerical value of a system, and the embodiment of the application is not limited thereto.
In the embodiment of the present invention, when the user presses the preset button, the sending module of the key of the vehicle may send the key position of the vehicle to the controller, so that the controller obtains the key position of the vehicle.
The method includes the steps that a sending module is arranged in a key of the vehicle, a preset button is arranged on the key of the vehicle, the preset button is connected with the sending module, and when a user presses the preset button, the sending module of the key of the vehicle sends the key position of the vehicle to a controller, so that the controller obtains the key position of the vehicle.
In this embodiment of the present application, the identification area may be set by the user based on actual adjustment experience, or may be a default range of the system, and correspondingly, the radius of the identification area may be set by the user based on actual adjustment experience, or may be a default range of the system, which is not limited in this embodiment of the present application.
In the embodiment of the invention, the radius of the identification area can be determined by taking the induction antenna of the vehicle as the center of a circle; or the radius of the identification area can be determined by taking the center of the vehicle or one outer handle as the center of a circle.
Illustratively, the controller acquires an identification area, and then determines the radius of the identification area around the induction antenna of the vehicle.
And step 203, determining the distance between the key and the induction antenna according to the key position.
In the embodiment of the application, the length of a connecting line between the key position and the central point of the induction antenna can be used as the distance between the key and the induction antenna; the length of a connection line between the key position and the projection point in the vertical direction of the sensor antenna may be used as the distance from the key to the sensor antenna.
For example, the controller determines the key position and then uses the length of a connection line between the key position and the center point of the sensing antenna as the distance between the key and the sensing antenna.
And step 204, when the distance is smaller than the radius, determining that the key position is in the range of the identification area.
In the embodiment of the application, when the distance is smaller than the radius, the key position is determined to be within the range of the identification area. When the distance is greater than or equal to the radius, it is determined that the key position is not within the identification area.
For example, after the controller determines the radius of the identification area and the distance between the key and the induction antenna, if the distance is smaller than the radius, the key position is determined to be within the range of the identification area; and if the distance is larger than or equal to the radius, determining that the key position is not in the range of the identification area.
According to the embodiment of the invention, the distance between the key and the induction antenna of the vehicle is compared with the radius of the identification area with the induction antenna as the circle center, so that the key position of the vehicle can be rapidly determined to be in the identification area range, and the processing efficiency of the keyless triggering method is further improved.
And step 205, confirming that the user identity identification is passed under the condition that the key position is determined to be in the identification area range and the identification code of the key is the same as the target identification code.
In the embodiment of the present invention, the target identification code is an identification number of the vehicle, and may be a default numerical value of the system, which is not limited in the embodiment of the present application.
In the embodiment of the invention, under the condition that the position of the key is in the range of the identification area and the identification code of the key is the same as the target identification code, the user identity identification is confirmed to pass; confirming that the user identity identification does not pass under the condition that the key position is determined to be in the identification area range and the identification code of the key is different from the target identification code; confirming that the user identity identification does not pass under the condition that the key position is determined not to be in the identification area range and the identification code of the key is the same as the target identification code; and under the condition that the key position is determined not to be in the range of the identification area and the identification code of the key is different from the target identification code, confirming that the user identity identification does not pass.
Exemplarily, an Electronic Control Unit (ECU) of a Passive Entry Passive Start (PEPS) system is used for identifying the validity of the identity of a user, after a controller determines the radius of an identification area and the distance between a key and an induction antenna, if the distance is smaller than the radius, the position of the key is determined to be within the range of the identification area, that is, the user enters the keyless Entry identification area with the key, the PEPS system ECU is awakened, the ECU identifies the identity of the user, whether the identification code of the key is the same as a target identification code is determined, if the identification code is the same, the user is the identity of a vehicle owner, the user identity is determined to be passed, then the ECU of the PEPS system continues to determine a pressing feedback signal of an outer handle, and if the identification code is different, the user identity is determined not to be passed, and the pressing feedback signal of the outer handle is not continuously determined; if the distance is larger than or equal to the radius, the key position is determined not to be in the range of the identification area, the user identity identification is determined not to pass, and the pressing feedback signal of the outer handle is not continuously determined.
According to the embodiment of the invention, the identity of the key is identified only when the position of the key of the vehicle is detected to be in the identification area range, so that the situation that the distance induction power consumption of the key is too large to cause the power loss of the storage battery of the whole vehicle can be avoided.
And step 206, under the condition that the user identification is confirmed to pass, acquiring a pressing feedback signal through the pressing detector.
In the embodiment of the application, under the condition that the user identity identification is confirmed to pass, a pressing feedback signal is obtained through a pressing detector; and under the condition that the user identity identification is not confirmed to pass, not acquiring a pressing feedback signal.
Exemplarily, after the user identification is carried out, the controller acquires a pressing feedback signal through the pressing detector under the condition that the user identification is confirmed to pass; and under the condition that the user identification is not confirmed to pass, the controller does not acquire the pressing feedback signal.
According to the embodiment of the invention, the user identity recognition function is added in the keyless triggering method, so that other users can be prevented from opening the vehicle door, and the safety of the vehicle can be further improved.
In the embodiment of the present application, when a user presses an outer handle of a vehicle, a micro switch is turned on or off, and a voltage signal or a current signal of the micro switch is changed from one value to another value, as shown in fig. 5, 6 and 7, the duration may be t ≧ 0.8s in fig. 5, t ≧ 0.8s in fig. 6, or 1.2s ≧ t ≧ 0.4s in fig. 7, which is not limited in the embodiment of the present application.
In the embodiment of the invention, when the pressing depth of the outer handle is greater than the depth threshold, the microswitch sends a pressing feedback electric signal to the controller, and the controller determines the duration of the amplitude value of the pressing feedback electric signal as the amplitude threshold as the pressing duration of the outer handle.
For example, the keyless entry system electronic control unit may confirm whether the user has an entry intention through a change in the voltage of the micro switch and the voltage change duration. The microswitch 06 determines whether the outer handle 01 is in the closed position. As shown in fig. 8 and 9, the microswitch 06 is connected with the outer handle 01 of the outer handle through the transmission shaft 11; a user presses the front end 09 of the handle 01 by hand, the handle 01 rotates around the outer handle rotating shaft 10, the outer handle 01 drives the swing arm 05 to rotate through the connecting shaft 08, the swing arm 05 triggers the micro switch 06, the output voltage of the micro switch 06 is changed from 5V to 0V, a pressing feedback electrical signal curve formed by specific voltage signals is shown in fig. 7, the duration is more than 0.4s and less than 1.2s, the pressing duration of the stay of the user pressing the front end 09 of the handle 01 by hand is more than 0.4s and less than 1.2s, the pressing depth is more than 1mm, then the user releases the outer handle 01 by hand, and the swing arm 05 returns under the action of the reset spring 04, so that the output voltage of the micro switch 06 is changed from 0V to 5V, and the fact that the user has an entering intention is indicated at this moment.
In the embodiment of the application, the keyless entry and start system is awakened by pressing the front end of the rotary hidden type outer handle, the switch function of the keyless entry method is triggered, but the method is not limited to pressing the front end of the outer handle; that is, the rear end of the handle or other positions of the outer handle may be pressed, which is not limited in the embodiments of the present application.
And step 208, when the compression feedback electric signal is the amplitude threshold value, determining that the compression depth is greater than or equal to the compression depth threshold value.
In this application embodiment, the pressing depth threshold may be set by a user based on actual adjustment experience, or may be a default numerical value of the system, which is not limited in this application embodiment.
In the embodiment of the invention, when the pressing depth of the outer handle is greater than the depth threshold value, the microswitch sends a pressing feedback electric signal to the controller, and when the pressing feedback electric signal is an amplitude threshold value, the pressing depth is determined to be greater than or equal to the pressing depth threshold value.
For example, the keyless entry system electronic control unit may confirm whether the user has an entry intention through a change in the voltage of the micro switch and the voltage change duration. As shown in fig. 8 and 9, the microswitch 06 is connected with the outer handle 01 of the outer handle through the transmission shaft 11; the user presses the handle front end 09 of the outer handle 01 with the hand, the outer handle 01 rotates around the outer handle rotating shaft 10, the outer handle 01 drives the swing arm 05 to rotate through the connecting shaft 08, the swing arm 05 triggers the micro switch 06, the output voltage of the micro switch 06 is changed from 5V to the amplitude threshold value 0V, a pressing feedback electric signal curve formed by specific voltage signals is shown in fig. 7, the pressing depth is larger than or equal to the pressing depth threshold value 1mm, then the user releases the outer handle 01 with the hand, the swing arm 05 returns under the action of the reset spring 04, the output voltage of the micro switch 06 is changed from 0V to 5V, and the fact that the user intends to enter is indicated at the moment.
According to the embodiment of the invention, when the pressing depth of the outer handle is greater than the depth threshold value, the microswitch connected with the outer handle through the transmission shaft sends the pressing feedback electric signal to the controller, so that the condition that the door lock of the vehicle is unlocked due to mistaken touch can be avoided; according to the duration of the change of the amplitude value of the pressing feedback electric signal, the pressing duration of the outer handle can be determined; according to the amplitude value of the pressing feedback electric signal, the pressing depth of the outer handle can be determined, so that whether the pressing feedback electric signal meets the pressing requirement of a user or not can be determined according to the pressing depth and the pressing duration, the door lock of the vehicle is controlled to be unlocked, and the accuracy of controlling the door lock to be unlocked through keyless triggering is improved.
And 209, confirming that the pressing depth and the pressing duration simultaneously meet the pressing requirement of the user under the conditions that the pressing depth is greater than or equal to the pressing depth threshold, the pressing duration is greater than or equal to the first pressing duration threshold, and the pressing duration is less than or equal to the second pressing duration threshold.
In this embodiment of the present application, the first pressing duration threshold and the second pressing duration threshold may be set by a user based on actual adjustment experience, or may be default values of the system, which is not limited in this embodiment of the present application.
In the embodiment of the invention, after the controller determines the pressing depth and the pressing duration, under the condition that the pressing depth is greater than or equal to the pressing depth threshold, the pressing duration is greater than or equal to the first pressing duration threshold, and the pressing duration is less than or equal to the second pressing duration threshold, the pressing depth and the pressing duration are confirmed to simultaneously meet the pressing requirement of a user; when the pressing depth is greater than or equal to the pressing depth threshold value and the pressing duration is less than the first pressing duration threshold value, determining that the pressing depth and the pressing duration do not simultaneously meet the pressing requirement of the user; under the condition that the pressing depth is smaller than the pressing depth threshold value, the pressing duration is larger than or equal to the first pressing duration threshold value, and the pressing duration is smaller than or equal to the second pressing duration threshold value, the pressing depth and the pressing duration are determined not to simultaneously meet the pressing requirement of the user; and under the condition that the pressing depth is smaller than the pressing depth threshold value and the pressing duration is larger than a second pressing duration threshold value, confirming that the pressing depth and the pressing duration do not simultaneously meet the pressing requirement of the user.
For example, as shown in fig. 3, fig. 5, fig. 6, and fig. 7, the first press duration threshold may take a value of 0.4s, and the second press duration threshold may take a value of 1.2s; the PEPS system ECU identifies whether a pressing feedback electric signal curve output by the microswitch 06 meets a user pressing requirement, and when the pressing feedback electric signal curve meets the curve shown in FIG. 7, the ECU determines that the pressing depth and the pressing duration simultaneously meet the user pressing requirement, and outputs a door lock unlocking/external handle extending instruction; if the curve of the pressing feedback electric signal is similar to the curve of the figure 7, but the time does not meet the condition that the duration time is more than or equal to 1.2s and more than or equal to t and more than or equal to 0.4s, the pressing depth and the pressing duration time are not simultaneously in accordance with the pressing requirement of the user, and the ECU does not output a door lock unlocking/outer handle extending instruction; when the pressing feedback electric signal curve meets the curves in the figures 5 and/or 6, the pressing depth and the pressing duration are confirmed not to simultaneously meet the pressing requirement of the user, and the ECU does not output a door lock unlocking/external handle extending instruction.
According to the embodiment of the invention, under the condition that the pressing depth is greater than or equal to the pressing depth threshold value and the pressing duration is greater than or equal to the pressing duration threshold value, the pressing depth and the pressing duration are confirmed to simultaneously meet the pressing requirement of the user, so that the door lock of the vehicle can be controlled to be unlocked under the condition that the pressing depth and the pressing duration are confirmed to meet the pressing requirement of the user, the accuracy rate of controlling the door lock to be unlocked by keyless triggering can be improved, and the conditions of false triggering and incapability of triggering are avoided.
And step 210, controlling the door lock of the vehicle to be unlocked under the condition that the pressing depth and the pressing time duration are simultaneously in accordance with the pressing requirement of the user.
Step 210 may refer to the detailed description of step 103, which is not repeated herein.
And step 211, controlling the outer handle of the outer handle to extend out.
In the embodiment of the invention, under the condition that the pressing depth and the pressing time length are confirmed to meet the pressing requirement of a user, the door lock of the vehicle is firstly controlled to be unlocked, and then the outer handle of the outer handle is controlled to extend out.
Illustratively, as shown in fig. 3, 8 and 9, the outer handle is of a swivel swing type. The outer handle support 02 is arranged on the outer plate 03 of the vehicle door, the outer handle 01 is arranged on the outer handle support 02 through an outer handle rotating shaft 10, and the swing arm 05 can rotate around a swing arm rotating shaft 11 and return under the action of a return spring 04; the swing arm 05 is connected with the outer handle 01 through a connecting shaft 08. After the actuator assembly 07 is powered on in the forward direction, the swing arm 05 is pushed to rotate around the swing arm rotating shaft 11, and the swing arm 05 pushes the outer handle to rotate through the connecting shaft 08, so that the outer handle 01 extends out. The rotation of the swing arm 05 changes the output voltage of the microswitch 06 from 5V to 0V as shown in fig. 5. When the actuator assembly 07 is powered on reversely, the actuator assembly 07 is reset, the swing arm 05 rotates under the action of the reset spring 04, and when the swing arm 05 triggers the microswitch 06 to change from 0V to 5V, as shown in fig. 6, the controller stops supplying power to the actuator assembly 07.
In the embodiment of the invention, the switch is triggered by a keyless entry method, and the micro switch of the hidden outer handle is used, so that the cost is not required to be additionally increased, and the micro switch can replace independent key switches such as a key switch 14, a capacitive touch switch 13, a gesture switch 12 and the like in fig. 1, and the cost of the whole vehicle can be reduced.
According to the embodiment of the invention, the outer handle of the outer handle is controlled to extend out, so that a user can directly pull open the door of the vehicle provided with the hidden outer handle conveniently, and the door opening efficiency is improved.
According to the another keyless triggering method provided by the embodiment of the invention, the identity of the key is identified only when the position of the key of the vehicle is detected to be in the range of the identification area, so that the condition that the distance sensing power consumption of the key is too large to cause the power shortage of a storage battery of the whole vehicle can be avoided; the vehicle owner identity recognition function is added in the keyless triggering method, so that the convenience and the safety of the use of the vehicle can be further improved; when the pressing depth of the outer handle is larger than the depth threshold value, the microswitch connected with the outer handle through the transmission shaft sends a pressing feedback electric signal to the controller, so that the condition that the door lock of the vehicle is unlocked due to mistaken touch can be avoided. According to the duration that the amplitude value of the pressing feedback electric signal is the amplitude threshold, the pressing duration of the outer handle can be determined; the pressing depth of the outer handle can be determined according to the amplitude value of the pressing feedback electric signal, so that whether the pressing feedback electric signal meets the pressing requirement of a user can be determined according to the pressing depth and the pressing duration, the door lock of the vehicle is controlled to be opened, the accuracy rate of controlling the door lock to be opened by keyless triggering is improved, and the conditions of false triggering and incapability of triggering are avoided; the outer handle of the outer handle is controlled to extend out after the door lock is opened, so that a user can directly pull open the door of the vehicle provided with the hidden outer handle, and the door opening efficiency is improved. The entering function of a keyless entering method is triggered by pressing the front end of the hidden outer handle, so that the situation that keys are arranged on the outer handle to damage the outer surface of the hidden outer handle can be avoided, and the risk of freezing in winter can be prevented; the risk of false triggering caused by adopting a capacitive touch switch and a gesture switch can be avoided, and the reliability of the keyless entry function is improved.
Fig. 10 is a flowchart illustrating steps of another keyless triggering method according to an embodiment of the present invention. The method is applied to a controller in a vehicle, the controller is connected with a pressing detector, and the pressing detector is used for detecting an outer handle of the vehicle; the press detector includes: a pressure sensor, the compression feedback signal comprising: a pressure signal; the pressure sensor is connected with the outer handle and used for sending a pressure signal to the controller when the pressing depth of the outer handle is greater than a depth threshold value; the first index includes: a pressure value of the pressure signal, the second indicator comprising: the pressure value of the pressure signal is the duration of the pressure threshold; the method can comprise the following steps:
and 301, acquiring the key position of the vehicle.
Step 301 may refer to the detailed description of step 201, which is not repeated herein.
And step 302, determining the radius of the identification area by taking the induction antenna of the vehicle as a circle center.
Step 302 can refer to the detailed description of step 202, which is not repeated herein.
And step 303, determining the distance between the key and the induction antenna according to the key position.
Step 303 can refer to the detailed description of step 203, which is not repeated herein.
And step 304, when the distance is smaller than the radius, determining that the key position is in the range of the identification area.
Step 304 may refer to the detailed description of step 204, which is not repeated herein.
And 305, confirming that the user identity identification is passed under the condition that the key position is determined to be in the identification area range and the identification code of the key is the same as the target identification code.
Step 305 may refer to the detailed description of step 205, which is not repeated herein.
And step 306, under the condition that the user identification is confirmed to pass, acquiring a pressing feedback signal through the pressing detector.
Step 306 can refer to the detailed description of step 206, which is not repeated herein.
And step 307, determining the duration as the pressing time length.
In the embodiment of the invention, when the pressing depth of the outer handle is greater than the depth threshold, the pressure sensor sends a pressure signal to the controller, and the controller determines the duration of the pressure value of the pressure signal as the pressure threshold as the pressing duration of the outer handle.
For example, the pressure sensor is connected with the outer handle of the outer handle, and particularly can be arranged at the front end of the handle of the outer handle; when the user presses the front end of the handle by hand, the pressure sensor outputs a pressure signal, the pressure signal curve is similar to that in fig. 7, the duration is more than 0.4s and less than 1.2s, the pressing time length of the stay of the time that the user presses the front end of the handle of the outer handle by hand is more than 0.4s and less than 1.2s, and the pressing depth is more than 1 mm.
In the embodiment of the invention, the controller acquires the pressure value of the pressure signal before the duration as the initial pressure value and the pressure value of the pressure signal after the duration as the pressure threshold, and then the controller determines the absolute value of the difference value between the initial pressure value and the pressure threshold as the compression depth.
Illustratively, the controller acquires a pressure value 1 of the pressure signal before the start of the duration as an initial pressure value and a pressure value 0 of the pressure signal after the end of the duration as a pressure threshold value, and then determines an absolute value of a difference (1-0=1) between the initial pressure value and the pressure threshold value as a compression depth 1.
According to the embodiment of the invention, when the pressing depth of the outer handle is greater than the depth threshold value, the pressure sensor sends the pressure signal to the controller, so that the condition that the door lock of the vehicle is unlocked due to mistaken touch can be avoided; according to the duration that the pressure value of the pressure signal is the pressure threshold value, the pressing duration of the outer handle can be determined; according to the pressure value of the pressure signal, the pressing depth of the outer handle can be determined, so that whether the pressure signal meets the pressing requirement of a user or not can be determined according to the pressing depth and the pressing duration, the door lock of the vehicle is controlled to be opened, the accuracy rate of controlling the door lock to be opened by keyless triggering is improved, and the conditions of false triggering and incapability of triggering are avoided
And 309, under the conditions that the pressing depth is greater than or equal to the pressing depth threshold value, the pressing duration is greater than or equal to the first pressing duration threshold value, and the pressing duration is less than or equal to the second pressing duration threshold value, determining that the pressing depth and the pressing duration simultaneously meet the pressing requirement of the user.
Step 309 can refer to the detailed description of step 209, which is not repeated herein.
And 310, controlling the door lock of the vehicle to be unlocked under the condition that the pressing depth and the pressing time duration are simultaneously in accordance with the pressing requirement of the user.
Step 310 may refer to the detailed description of step 103, which is not repeated herein.
And 311, controlling the outer handle of the outer handle to extend out.
Step 311 may refer to the detailed description of step 211, which is not repeated herein.
According to the another keyless triggering method provided by the embodiment of the invention, the identity of the key is identified only when the position of the key of the vehicle is detected to be in the range of the identification area, so that the condition that the distance sensing power consumption of the key is too large to cause the power shortage of a storage battery of the whole vehicle can be avoided; the vehicle owner identity recognition function is added in the keyless triggering method, so that the convenience and the safety of the use of the vehicle can be further improved; when the pressing depth of the outer handle is larger than the depth threshold value, a pressure signal is sent to the controller through the pressure sensor, and the situation that the door lock of the vehicle is unlocked due to mistaken touch can be avoided; according to the duration that the pressure value of the pressure signal is the pressure threshold value, the pressing duration of the outer handle can be determined; according to the pressure value of the pressure signal, the pressing depth of the outer handle can be determined, so that whether the pressure signal meets the pressing requirement of a user can be determined according to the pressing depth and the pressing duration, the door lock of the vehicle is controlled to be opened, the accuracy rate of controlling the door lock to be opened by keyless triggering is improved, and the conditions of false triggering and incapability of triggering are avoided; the outer handle of the outer handle is controlled to extend out after the door lock is opened, so that a user can directly pull open a vehicle door provided with a hidden outer handle conveniently, and the door opening efficiency is improved. The entering function of a keyless entering method is triggered by pressing the front end of the hidden outer handle, so that the situation that keys are arranged on the outer handle to damage the outer surface of the hidden outer handle can be avoided, and the risk of freezing in winter can be prevented; the risk of false triggering caused by adopting a capacitive touch switch and a gesture switch can be avoided, and the reliability of the keyless entry function is improved.
Fig. 11 is a block diagram of a controller according to an embodiment of the present invention. The controller 110 is applied to a vehicle, the controller 110 is connected with the press detector 120, and the press detector 120 is used for detecting an outer handle of the vehicle; the controller 110 includes:
an obtaining module 111, configured to obtain a pressing feedback signal through a pressing detector;
the parameter determining module 112 is configured to determine a pressing depth of the outer handle according to the first indicator of the pressing feedback signal, and determine a pressing duration of the outer handle according to the second indicator of the pressing feedback signal;
and the first control module 113 is used for controlling the unlocking of the door lock of the vehicle under the condition that the pressing depth and the pressing time duration are simultaneously confirmed to meet the pressing requirement of the user.
Optionally, the press detector comprises: a micro switch, pressing the feedback signal comprising: pressing the feedback electric signal; the microswitch is connected with the outer handle through a transmission shaft and is used for sending a pressing feedback electric signal to the controller when the pressing depth of the outer handle is greater than a depth threshold value; the first index includes: the amplitude value of the press feedback electric signal, the second index includes: the amplitude value of the press feedback electric signal is the duration of the amplitude threshold; the parameter determination module 112 is further configured to:
determining the duration as the pressing duration;
determining that the compression depth is greater than or equal to the compression depth threshold when the compression feedback electrical signal is the amplitude threshold.
Optionally, the first control module 113 is further configured to:
and under the condition that the pressing depth is greater than or equal to the pressing depth threshold, the pressing duration is greater than or equal to the first pressing duration threshold, and the pressing duration is less than or equal to the second pressing duration threshold, the pressing depth and the pressing duration are confirmed to simultaneously meet the pressing requirement of the user.
Optionally, the obtaining module 111 is further configured to:
and acquiring a pressing feedback signal through the pressing detector under the condition of confirming that the user identification passes.
Optionally, the obtaining module 111 is further configured to:
acquiring a key position of a vehicle;
and confirming that the user identity identification is passed under the condition that the key position is determined to be in the identification area range and the identification code of the key is the same as the target identification code.
Optionally, the obtaining module 111 is further configured to:
determining the radius of the identification area by taking an induction antenna of the vehicle as a circle center;
determining the distance between the key and the induction antenna according to the position of the key;
when the distance is smaller than the radius, the key position is determined to be within the identification area.
Optionally, the controller 110 further comprises:
and the second control module is used for controlling the outer handle of the outer handle to extend out.
Optionally, the press detector comprises: a pressure sensor, the compression feedback signal comprising: a pressure signal; the pressure sensor is connected with the outer handle and used for sending a pressure signal to the controller when the pressing depth of the outer handle is greater than a depth threshold value; the first index includes: a pressure value of the pressure signal, the second indicator comprising: the pressure value of the pressure signal is the duration of the pressure threshold; the parameter determining module 111 is further configured to:
determining the duration as the pressing duration;
determining the difference value between the initial pressure value and the pressure threshold value as the compression depth; the initial pressure values are: a pressure value of the pressure signal before the duration; the pressure threshold is: a pressure value of the pressure signal after the duration.
According to the controller provided by the embodiment of the invention, the pressing feedback signal of the outer handle of the vehicle is obtained through the pressing detector connected with the controller, so that the pressing depth and the pressing time length of the outer handle can be determined according to the first index and the second index of the pressing feedback signal, and the door lock of the vehicle is controlled to be unlocked only under the condition that the pressing depth and the pressing time length are determined to meet the pressing requirement of a user, the accuracy rate of controlling the door lock to be unlocked by keyless triggering can be improved, and the conditions of false triggering and incapability of triggering are avoided.
The embodiment of the invention also provides a vehicle which can comprise the keyless triggering method.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order depending on the functionality involved, e.g., the described methods may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The keyless triggering method is characterized by being applied to a controller in a vehicle, wherein the controller is connected with a pressing detector, and the pressing detector is used for detecting an outer handle of the vehicle; the method comprises the following steps:
acquiring a press feedback signal by the press detector;
determining the pressing depth of the outer handle according to a first index of the pressing feedback signal, and determining the pressing duration of the outer handle according to a second index of the pressing feedback signal;
and controlling the door lock of the vehicle to be unlocked under the condition that the pressing depth and the pressing duration are simultaneously in accordance with the pressing requirement of the user.
2. The method of claim 1, wherein the compression detector comprises: a microswitch, the press feedback signal comprising: pressing the feedback electric signal; the microswitch is connected with the outer handle through a transmission shaft and is used for sending the pressing feedback electric signal to the controller when the pressing depth of the outer handle is greater than a depth threshold value;
the first index includes: the amplitude value of the compression feedback electric signal, the second index comprising: the amplitude value of the pressing feedback electric signal is the duration of the amplitude threshold; the determining the pressing depth of the outer handle according to the first index of the pressing feedback signal and the determining the pressing duration of the outer handle according to the second index of the pressing feedback signal comprises:
determining the duration as the press duration;
determining that the compression depth is greater than or equal to a compression depth threshold when the compression feedback electrical signal is the amplitude threshold.
3. The method of claim 2, wherein said confirming that said compression depth and said compression duration are simultaneously in compliance with a user compression requirement comprises:
and under the condition that the pressing depth is greater than or equal to the pressing depth threshold value, the pressing duration is greater than or equal to a first pressing duration threshold value, and the pressing duration is less than or equal to a second pressing duration threshold value, confirming that the pressing depth and the pressing duration simultaneously meet the pressing requirement of the user.
4. The method of claim 1, wherein said obtaining a compression feedback signal by said compression detector comprises:
and under the condition that the user identification is confirmed to pass, acquiring a pressing feedback signal through the pressing detector.
5. The method of claim 1, wherein confirming the user identification is passed comprises:
acquiring a key position of the vehicle;
and confirming that the user identity identification is passed under the condition that the key position is determined to be in the identification area range and the identification code of the key is the same as the target identification code.
6. The method of claim 5, wherein said determining that the key position is within an identification zone comprises:
determining the radius of an identification area by taking an induction antenna of the vehicle as a circle center;
determining the distance between the key and the induction antenna according to the key position;
determining that the key position is within the identification area when the distance is less than the radius.
7. The method of claim 1, wherein after said controlling a door lock of the vehicle to open, the method further comprises:
and controlling the outer handle of the outer handle to extend out.
8. The method of claim 1, wherein the press detector comprises: a pressure sensor, the compression feedback signal comprising: a pressure signal; the pressure sensor is connected with the outer handle and used for sending the pressure signal to the controller when the pressing depth of the outer handle is larger than a depth threshold value;
the first index includes: a pressure value of the pressure signal, the second indicator comprising: the pressure value of the pressure signal is the duration of the pressure threshold; the determining the pressing depth of the outer handle according to the first index of the pressing feedback signal and the determining the pressing duration of the outer handle according to the second index of the pressing feedback signal comprises:
determining the duration as the compression duration;
determining a difference between an initial pressure value and the pressure threshold as the compression depth; the initial pressure values are: a pressure value of the pressure signal prior to the duration; the pressure threshold is: a pressure value of the pressure signal after the duration.
9. A controller, characterized by being applied to a vehicle, the controller being connected with a press detector for detecting an outer handle of the vehicle; the controller includes:
the acquisition module is used for acquiring a pressing feedback signal through the pressing detector;
the parameter determining module is used for determining the pressing depth of the outer handle according to the first index of the pressing feedback signal and determining the pressing duration of the outer handle according to the second index of the pressing feedback signal;
and the first control module is used for controlling the unlocking of the vehicle door lock under the condition that the pressing depth and the pressing duration are simultaneously confirmed to meet the pressing requirement of the user.
10. A vehicle comprising the keyless activation method of any one of claims 1 to 8.
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| CN202110450597.XA CN115234104A (en) | 2021-04-25 | 2021-04-25 | Keyless triggering method, controller and vehicle |
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