CN106296881B - Position identification device, method and the vehicle of remote control key - Google Patents
Position identification device, method and the vehicle of remote control key Download PDFInfo
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- CN106296881B CN106296881B CN201510282452.8A CN201510282452A CN106296881B CN 106296881 B CN106296881 B CN 106296881B CN 201510282452 A CN201510282452 A CN 201510282452A CN 106296881 B CN106296881 B CN 106296881B
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Abstract
The invention discloses a kind of position identification device of remote control key, method and vehicle, described device includes: first to N car antenna, wherein N is the positive integer greater than 2;And car body control module, car body control module successively emits first to N car antenna to N detectable signal for controlling first with preset interval, and the first of remote control key feedback is successively received to N response signal, and first is obtained respectively to first between N car antenna and remote control key to N range information according to first to N response signal, and the position for obtaining remote control key according to first to N range information.The position identification device of the remote control key of the embodiment of the present invention greatly improves the intelligent experience of vehicle.
Description
Technical field
The present invention relates to technical field of vehicle more particularly to a kind of position identification device of remote control key, method and
Vehicle.
Background technique
In recent years, traditional keyless gate inhibition system had been unable to meet the demand of the majority of consumers.With no key into
Enter (PKE:Passive Keyless Entry) and the nothing without key starting (PKS:Passive Keyless Start) function
Key gate control system has become mainstream, and the realization of these functions had both needed the antenna at vehicle body end to cooperate, on door handle, boot
Electronic lock switch snap fit, it is also desirable to manual operation cooperation (such as button of door handle or rear-box is pressed when opening the door) is
It is able to achieve, intelligence experience is poor.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose that a kind of position identification device of remote control key, the device can identify remote control key
Unnecessary artificial behaviour is reduced so as to realize according to the position of remote control key to the intelligentized control method of vehicle in position
Make, greatly improves the intelligent experience of vehicle.
Second object of the present invention is to propose a kind of vehicle.
Third object of the present invention is to propose a kind of location recognition method of remote control key.
To achieve the goals above, the position identification device of the remote-control key of first aspect present invention embodiment, comprising: the
One to N car antenna, wherein N is the positive integer greater than 2;And car body control module, the car body control module is for controlling
It makes described first and successively emits first with preset interval to N car antenna to N detectable signal, and successively receive vehicle remote control
The first of key feedback obtains described first to the to N response signal, and according to described first to N response signal respectively
First between N car antenna and the remote control key believes to N range information, and according to the described first to N distance
Breath obtains the position of the remote control key.
The position identification device of remote-control key according to an embodiment of the present invention, car body control module control N number of car antenna
Emission detection signal, remote control key receive feedback response signal after detectable signal, and car body control module is then according to response
The range information of signal acquisition remote control key and N number of car antenna, and remote control key is obtained according to range information
Unnecessary artificial behaviour is reduced so as to realize according to the position of remote control key to the intelligentized control method of vehicle in position
Make, greatly improves the intelligent experience of vehicle.
To achieve the goals above, the vehicle of second aspect of the present invention embodiment, including first aspect present invention embodiment
Remote-control key position identification device.
Vehicle according to an embodiment of the present invention may be implemented due to being provided with the position identification device of remote control key
According to the position of remote control key to the intelligentized control method of vehicle, unnecessary manual operation is reduced, vehicle is greatly improved
Intelligent experience.
To achieve the goals above, the location recognition method of the remote-control key of third aspect present invention embodiment, the vehicle
It include first to N car antenna, wherein N is the positive integer greater than 2, be the described method comprises the following steps: control described the
One successively emits first to N car antenna to N detectable signal with preset interval;Successively receive remote control key feedback
First to N response signal;Described first is obtained respectively to N car antenna and institute according to described first to N response signal
First between remote control key is stated to N range information, and obtain the vehicle according to described first to N range information
The position of remote-control key.
The location recognition method of remote-control key according to an embodiment of the present invention controls N number of car antenna emission detection signal,
Remote control key receives feedback response signal after detectable signal, according to response signal acquisition remote control key and N number of vehicle
The range information of antenna is carried, and obtains the position of remote control key according to range information, it is distant according to vehicle so as to realize
The position of key is controlled to the intelligentized control method of vehicle, unnecessary manual operation is reduced, greatly improves the intelligent body of vehicle
It tests.
Detailed description of the invention
Fig. 1 is the block diagram of the position identification device of remote-control key according to an embodiment of the invention;
Fig. 2 is the first car antenna A1, the second car antenna A2 and third vehicle accord to a specific embodiment of that present invention
Carry the schematic diagram of antenna A3 modes of emplacement in the car and magnetic field covering;
Fig. 3 is the functional block diagram of car body control module accord to a specific embodiment of that present invention;
Fig. 4 is the functional block diagram of remote control key accord to a specific embodiment of that present invention;
Fig. 5 is the position for determining remote control key to third circle according to first accord to a specific embodiment of that present invention
The schematic diagram set;
Fig. 6 is the flow chart of the location recognition method of remote-control key according to an embodiment of the invention;
Fig. 7 is the flow chart of the location recognition method of remote-control key accord to a specific embodiment of that present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Fig. 1 is the block diagram of the position identification device of remote-control key according to an embodiment of the present invention.As shown in Figure 1, this hair
The position identification device of the remote-control key of bright embodiment, comprising: first to N car antenna (A1, A2 ... AN) and Body Control
Module 10.Wherein, N is the positive integer greater than 2.
Car body control module 10 is successively emitted to N car antenna (A1, A2 ... AN) with preset interval for controlling first
First to N detectable signal, and successively receives the first of remote control key feedback to N response signal, and according to first
First is obtained respectively to first between N car antenna (A1, A2 ... AN) and remote control key to N response signal
N range information, and the position for obtaining remote control key according to first to N range information.
In one embodiment of the invention, the first spy received into N response signal including remote control key
The magnetic field strength information of signal is surveyed, car body control module 10 is specifically used for: calculating separately first to N according to magnetic field strength information
Between car antenna and remote control key first to N range information, and determined respectively according to first to N range information
First to N centered on first to N car antenna is round, and determines vehicle remote control key according to first to N circle
The position of spoon.
In one embodiment of the invention, car body control module 10 are surrounded specifically for obtaining the first to N circle
Public domain with first to the circular intersection point of N, and using the mass center in the constituted region of the line of intersection point as vehicle remote control key
The position of spoon.
Specifically, it is hereafter illustrated with N=3.Fig. 2 is the first car antenna A1, the second car antenna A2 and the
The schematic diagram of three car antenna A3 modes of emplacement in the car and magnetic field covering.Fig. 3 is a specific implementation according to the present invention
The functional block diagram of the car body control module of example, as shown in figure 3, car body control module 10 includes single-chip microcontroller arithmetic element 11, radio frequency
Transmitting unit 12, antenna matching network 13 and power supply power supply unit 14.Car body control module proposes its single-chip microcontroller arithmetic element 11
The key position request source code of confession is modulated, and to generate detectable signal, car body control module driving first is vehicle-mounted to third
The spaced successively emission detection signal of antenna (i.e. the first detectable signal of spaced transmitting, the second detectable signal, third detection
Signal), for example, by 50ms, the second car antenna A2 emits again after the first car antenna A1 has emitted the first detectable signal
Two detectable signals.Wherein, the detectable signal that car antenna is emitted is low-frequency magnetic field signal.
Further, Fig. 4 is the functional block diagram of remote control key accord to a specific embodiment of that present invention, such as Fig. 4
Shown, remote control key includes antenna and matching network 1, rf transmitter unit 2, power supply power supply network 3 and low frequency reception list
Member 4.2 discontinuity of rf transmitter unit of remote control key listens to spacing wave, when receiving required frequency band signals, demodulation
Signal simultaneously determines whether useful signal, if it is determined that then waking up remote control key for useful signal, remote control key is then sent out
Send the response signal with A1, A2, A3 magnetic field strength.It is, remote control key receives the first car antenna A1 transmission
The first detectable signal after, feed back corresponding first response signal, remote control key receives the second car antenna A2 transmission
The second detectable signal after, feed back corresponding second response signal, remote control key receives third car antenna A3 transmission
Third detectable signal after, feed back corresponding third response signal.Car body control module receives response signal and is demodulated, and
Judge the remote control key whether be legal key (for example, car body control module can according to response the frequency range of signal and
Communication protocol, signcode between remote control key judge the legitimacy of remote control key).
Further, when remote control key simultaneously be in three car antennas (A1, A2, A3) magnetic field range when
It waits, the magnetic field strength according to the car antenna of different location in the same position is different, and each car antenna can be determined to vehicle
The distance of remote-control key.That is, car body control module 10 divides when judging current vehicle remote-control key is legal key
Magnetic field strength information not according to first into third response signal calculates first to third car antenna and remote control key
Between first (indicated with d1, d2 and d3) to third range information, and according to first to third range information determine respectively with
First centered on first to third car antenna is round to third, and determines vehicle remote control key according to first to third circle
The position of spoon.
Theoretically, using d1, d2, d3 as radius, circle is done by the center of circle of A1, A2, A3, three round intersection points are vehicle
The position of remote-control key, still, magnetic field calculates distance d1, d2, d3 under the influence of multipath fading and non line of sight under actual conditions
It is bigger than actual range, therefore in an embodiment of the present invention, (A1, A2, A3 are first to third car antenna in Fig. 5 as shown in Figure 5
Position, C is the position of remote control key), three circles intersect at B1, B2, B3 two-by-two, are estimated with the mass center of triangle B1B2B3
Calculate remote control key position.
In addition, the intermittent driving car antenna emission detection signal of car body control module 10, for example, every 500ms drives
Once, car body control module 10 then stores the remote control key of nearest L times (for example, nearest 10 times) according to chronological order
Position.
In one embodiment of the invention, car body control module 10 are also used to: being sentenced according to the position of remote control key
Whether disconnected remote control key is in vehicle, if allowing vehicle electrifying startup and/or unlocking direction dish axle in vehicle
Lock, and first is controlled to N car antenna stopping emission detection signal.
Specifically, for example, can be obtained using the position of the first car antenna A1 as reference position by experimental calibration method
Remote control key in the car, critical decision content of the remote control key outside vehicle, and stored.Car body control module 10 will
Whether the position of current vehicle remote-control key and the critical judgment value of storage are in this regard, then may determine that current vehicle remote-control key
In vehicle.If current vehicle remote-control key is located in vehicle, car body control module 10 ifs, allows vehicle electrifying startup, solution
Steering wheel shaft lock etc. is locked, and stops emission detection signal.
In one embodiment of the invention, car body control module 10 are also used to: if it is determined that remote control key is in vehicle
Outside, then vehicle is controlled at a distance from the i-th car antenna according to remote control key, wherein i is more than or equal to 1
And it is less than or equal to the positive integer of N.
Specifically, if it is determined that remote control key is outside vehicle, then according to remote control key and the i-th car antenna
The intention of Distance Judgment user is (for example, judge that user is to walk to intend to open the door toward car door or walk after plan opens toward trunk region
Standby case), to controlled accordingly vehicle according to the user's intention.
In one embodiment of the invention, if remote control key is greater than or equal at a distance from the i-th car antenna
Pre-determined distance, car body control module 10 then control closed door and air-conditioning;If remote control key and the i-th car antenna away from
From pre-determined distance is less than, car body control module 10 then obtains the motion track of remote control key, and according to motion track to vehicle
It is controlled.
Specifically, using the position of the i-th car antenna (for example, first car antenna A1) as reference position, if vehicle is distant
It controls key and is greater than or equal to pre-determined distance (for example, 2m) at a distance from the first car antenna A1, car body control module 10 then controls
Air-conditioning closing, closing of the door, automatic locking, the vehicle power-off of boot etc., and continue to drive car antenna emission detection signal,
To monitor the position of remote control key.If remote control key is less than pre-determined distance at a distance from the first car antenna A1,
Car body control module 10 is then according to the movement of the position acquisition key of the remote control key of (for example, 10 times) record several times recently
Track, and vehicle is accordingly controlled according to motion track.
In one embodiment of the invention, car body control module 10 are also used to: judging vehicle remote control according to motion track
The moving direction of key, if moving direction is car door direction, car body control module 10 ifs, controls opening car door lock, if mobile
Direction is tailstock direction, and car body control module 10 then controls unlatching back-up case lock.
Specifically, for example, showing user if the moving direction of nearest 10 remote control key positions is directed toward car door
It goes on foot to car door, then car body control module 10 can then be unlocked car door, open the movements such as air-conditioning, adjustment seat, such as
Fruit moving direction is directed toward tailstock direction, then controls back-up case lock opening.Wherein, remote control key through the embodiment of the present invention
Position identification device, the button of door handle and boot can be cancelled on vehicle, so as to reduce cost.
In one embodiment of the invention, if detecting remote control key in the car, allow vehicle electrifying startup,
Unlocking direction dish axle lock etc., and stop emission detection signal, (show that car owner may when thering is vehicle body to power off or closing of the door works
Have left), then car body control module 10 controls car antenna emission detection signal again to detect to remote control key.
If remote control key is not in the car, (for example, 500ms) controls car antenna at regular intervals if car body control module 10
One wheel detectable signal of transmitting, to detect remote control key, and according to detect remote control key and the i-th car antenna away from
From control vehicle.
The position identification device of the remote control key of the embodiment of the present invention, car body control module control N number of car antenna
Emission detection signal, remote control key receive feedback response signal after detectable signal, and car body control module is then according to response
The range information of signal acquisition remote control key and N number of car antenna, and remote control key is obtained according to range information
Unnecessary artificial behaviour is reduced so as to realize according to the position of remote control key to the intelligentized control method of vehicle in position
Make, greatly improves the intelligent experience of vehicle.
In order to realize above-described embodiment, the invention also provides a kind of vehicles.The vehicle includes the vehicle of the embodiment of the present invention
The position identification device of remote-control key.
Basis may be implemented due to being provided with the position identification device of remote control key in the vehicle of the embodiment of the present invention
Unnecessary manual operation is reduced to the intelligentized control method of vehicle in the position of remote control key, greatly improves the intelligence of vehicle
Energyization experience.
In order to realize above-described embodiment, the invention also provides a kind of location recognition methods of remote control key.
Fig. 6 is the flow chart of the location recognition method of remote control key according to an embodiment of the invention.Wherein, vehicle
It include first to N car antenna, wherein N is the positive integer greater than 2, as shown in fig. 6, the vehicle of the embodiment of the present invention is distant
Control the location recognition method of key, comprising the following steps:
S1, control first successively emit first to N car antenna to N detectable signal with preset interval.
Specifically, hereafter by taking N=3 as an example, car body control module driving first to the third car antenna of vehicle has interval
Successively emission detection signal (i.e. the first detectable signal of spaced transmitting, the second detectable signal, third detectable signal), example
Such as, after the first car antenna A1 has emitted the first detectable signal, by 50ms, the second car antenna A2 emits the second detection letter again
Number.Wherein, the detectable signal that car antenna is emitted is low-frequency magnetic field signal.
S2 successively receives the first of remote control key feedback to N response signal.
Specifically, the rf transmitter unit discontinuity of remote control key listens to spacing wave, when receiving required frequency range
When signal, demodulated signal simultaneously determines whether useful signal, if it is determined that then waking up remote control key for useful signal, vehicle is distant
Control key then sends the response signal with A1, A2, A3 magnetic field strength.It is, to receive first vehicle-mounted for remote control key
After the first detectable signal that antenna A1 is sent, corresponding first response signal is fed back, it is vehicle-mounted that remote control key receives second
After the second detectable signal that antenna A2 is sent, corresponding second response signal is fed back, it is vehicle-mounted that remote control key receives third
After the third detectable signal that antenna A3 is sent, corresponding third response signal is fed back.Car body control module then successively receives vehicle
The first of remote-control key feedback is to third response signal.
S3 obtains first between N car antenna and remote control key according to first to N response signal respectively
First to N range information, and the position for obtaining remote control key according to first to N range information.
In one embodiment of the invention, wherein first receives into N response signal including remote control key
Detectable signal magnetic field strength information, S3 specifically includes:
S31 calculates separately first to first between N car antenna and remote control key according to magnetic field strength information
To N range information.
Specifically, when remote control key is in the magnetic field range of three car antennas (A1, A2, A3) simultaneously,
Magnetic field strength according to the car antenna of different location in the same position is different, can determine that each car antenna is distant to vehicle
Control the distance of key.That is, when judging current vehicle remote-control key is legal key, car body control module basis respectively
The first magnetic field strength information into third response signal calculates first between third car antenna and remote control key
First (is indicated) with d1, d2 and d3 to third range information.
S32 determines first to N centered on first to N car antenna according to first to N range information respectively
It is round.
Specifically, for example, centered on the first car antenna, the first circle is determined by radius of first distance.
S33 determines the position of remote control key according to first to N circle.
In one embodiment of the invention, S33 is specifically included: obtaining the first to N round public domain surrounded
With first to the circular intersection point of N;Using the mass center in the constituted region of the line of intersection point as the position of remote control key.
Specifically, theoretically, using d1, d2, d3 as radius, circle, three round intersection points are done by the center of circle of A1, A2, A3
The as position of remote control key, still, magnetic field is under the influence of multipath fading and non line of sight under actual conditions, calculated distance
D1, d2, d3 are bigger than actual range, therefore in an embodiment of the present invention, as shown in figure 5, three circles intersect at B1, B2, B3 two-by-two,
So with the centroid estimation remote control key position of triangle B1B2B3.
In addition, the intermittent driving car antenna emission detection signal of car body control module, for example, every 500ms driving one
Secondary, car body control module then stores the position of the remote control key of nearest L times (for example, nearest 10 times) according to chronological order
It sets.
In one embodiment of the invention, further includes: remote control key is judged according to the position of remote control key
Whether in vehicle;If remote control key in vehicle, allows vehicle electrifying startup and/or unlocking direction dish axle to lock,
And first is controlled to N car antenna stopping emission detection signal.
Specifically, for example, can be obtained using the position of the first car antenna A1 as reference position by experimental calibration method
Remote control key in the car, critical decision content of the remote control key outside vehicle, and stored.Car body control module will work as
The position of vehicle in front remote-control key and the critical judgment value of storage in this regard, then may determine that current vehicle remote-control key whether position
In in vehicle.If current vehicle remote-control key is located in vehicle, car body control module if, allows vehicle electrifying startup, unlock side
Locked to dish axle etc., and stop emission detection signal.
Further, if remote control key is outside vehicle, according to remote control key and the i-th car antenna away from
It is controlled to vehicle, wherein i is the positive integer more than or equal to 1 and less than or equal to N.
Specifically, if it is determined that remote control key is outside vehicle, then according to remote control key and the i-th car antenna
The intention of Distance Judgment user is (for example, judge that user is to walk to intend to open the door toward car door or walk after plan opens toward trunk region
Standby case), to controlled accordingly vehicle according to the user's intention.
In one embodiment of the invention, vehicle is carried out at a distance from the i-th car antenna according to remote control key
Control, specifically includes: if remote control key is greater than or equal to pre-determined distance at a distance from the i-th car antenna, controlling pass
Close car door and air-conditioning;If remote control key is less than pre-determined distance at a distance from the i-th car antenna, vehicle remote control key is obtained
The motion track of spoon, and vehicle is controlled according to motion track.
Specifically, using the position of the i-th car antenna (for example, first car antenna A1) as reference position, if vehicle is distant
It controls key and is greater than or equal to pre-determined distance (for example, 2m) at a distance from the first car antenna A1, car body control module then controls sky
Closing, closing of the door, automatic locking, the vehicle power-off of boot etc. are adjusted, and continues to drive car antenna emission detection signal, with
Monitor the position of remote control key.If remote control key is less than pre-determined distance, vehicle at a distance from the first car antenna A1
Body control module is then according to the moving rail of the position acquisition key for the remote control key that (for example, 10 times) record several times recently
Mark, and vehicle is accordingly controlled according to motion track.
In one embodiment of the invention, vehicle is controlled according to motion track, is specifically included: according to moving rail
Mark judges the moving direction of remote control key;If moving direction is car door direction, opening car door lock is controlled;If mobile
Direction is tailstock direction, then controls unlatching back-up case lock.
Specifically, for example, showing user if the moving direction of nearest 10 remote control key positions is directed toward car door
It goes on foot to car door, then car body control module can then be unlocked car door, open the movements such as air-conditioning, adjustment seat, if
Moving direction is directed toward tailstock direction, then controls back-up case lock opening.
Fig. 7 is the flow chart of the location recognition method of remote control key accord to a specific embodiment of that present invention.Such as
Shown in Fig. 7, the location recognition method of remote control key, comprising the following steps:
S101 controls car antenna A1, A2 and A3 with preset interval successively emission detection signal.
S102, remote control key receive detectable signal, and feedback response signal.
S103, signal judges whether remote control key is legal key according to response.If it is, executing S104, such as
Fruit is no, then returns and execute S101.
In the car whether S104, obtains the position of remote control key, and judge remote control key.If it is, holding
Row S105.If it is not, then executing S106.
S105 allows vehicle electrifying startup and/or unlocking direction dish axle to lock, and controls first to the stopping of third car antenna
Emission detection signal.
S106 obtains remote control key at a distance from the i-th car antenna, and it is default to judge whether distance is greater than or equal to
Distance.If it is, S107 is executed, if it is not, then executing S108.
S107 controls closed door, air-conditioning, and boot is automatic locking, vehicle powers off.
S108 obtains the motion track of remote control key, and judges that remote control key is to vehicle according to motion track
Door is mobile or mobile to boot.If it is to car door movement, then S109 is executed, if it is to boot movement, then executed
S110。
S109 controls opening car door lock, air-conditioning, adjust automatically seat.
Back-up case lock is opened in S110, control.
The location recognition method of the remote control key of the embodiment of the present invention controls N number of car antenna emission detection signal,
Remote control key receives feedback response signal after detectable signal, according to response signal acquisition remote control key and N number of vehicle
The range information of antenna is carried, and obtains the position of remote control key according to range information, it is distant according to vehicle so as to realize
The position of key is controlled to the intelligentized control method of vehicle, unnecessary manual operation is reduced, greatly improves the intelligent body of vehicle
It tests.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect
It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (9)
1. a kind of position identification device of remote control key characterized by comprising
First to N car antenna, wherein N is the positive integer greater than 2;And
Car body control module, the car body control module for control described first to N car antenna with preset interval successively
Transmitting first successively receives the first of remote control key feedback to N response signal to N detectable signal, and according to
Described first obtains described first between N car antenna and the remote control key to N response signal respectively
One to N range information, and obtains the position of the remote control key to N range information according to described first;
The car body control module is also used to whether judge the remote control key according to the position of the remote control key
In vehicle, if it is determined that the remote control key is outside the vehicle, then according to the remote control key and described i-th
The intention of the Distance Judgment user of car antenna, and the vehicle is controlled accordingly according to the intention of the user,
In, i is the positive integer more than or equal to 1 and less than or equal to N;
Wherein, if the remote control key is greater than or equal to pre-determined distance, the vehicle at a distance from i-th car antenna
Body control module then controls closed door and air-conditioning;If the remote control key is small at a distance from i-th car antenna
In pre-determined distance, the car body control module then obtains the motion track of the remote control key, and according to the moving rail
Mark controls the vehicle;The car body control module, is also used to: judging the vehicle remote control according to the motion track
The moving direction of key, if the moving direction is car door direction, car body control module if, controls opening car door lock, such as
Moving direction described in fruit is tailstock direction, and the car body control module then controls unlatching back-up case lock.
2. the position identification device of remote control key as described in claim 1, which is characterized in that described first to N rings
It include the magnetic field strength information for the detectable signal that the remote control key receives, the Body Control mould in induction signal
Block is specifically used for:
Described first is calculated separately between N car antenna and the remote control key according to the magnetic field strength information
Described first to N range information, and according to described first to N range information respectively determination it is vehicle-mounted to N with described first
First to N centered on antenna is round, and determines the position of the remote control key to N circle according to described first
It sets.
3. the position identification device of remote control key as claimed in claim 2, which is characterized in that the Body Control mould
Block, specifically for obtaining the described first to N round public domain surrounded and described first to the circular intersection point of N, and
Using the mass center in the constituted region of the line of the intersection point as the position of the remote control key.
4. the position identification device of remote control key as described in claim 1, which is characterized in that the Body Control mould
Block is also used to:
If allowing the vehicle electrifying startup and/or unlocking direction dish axle to lock, and control described first in the vehicle
Stop emitting the detectable signal to N car antenna.
5. a kind of vehicle, which is characterized in that know the position including remote control key such as of any of claims 1-4
Other device.
6. a kind of location recognition method of remote control key, which is characterized in that the vehicle includes first to the vehicle-mounted day N
Line, wherein N is the positive integer greater than 2, be the described method comprises the following steps:
It controls described first and successively emits first with preset interval to N car antenna to N detectable signal;
The first of remote control key feedback is successively received to N response signal;
Described first is obtained respectively to N car antenna and the remote control key according to described first to N response signal
Between first to N range information, and the position of the remote control key is obtained according to described first to N range information
It sets;
Judge the remote control key whether in vehicle according to the position of the remote control key;
If the remote control key is outside the vehicle, according to the remote control key and i-th car antenna
Distance Judgment user intention, and the vehicle is controlled accordingly according to the intention of the user, wherein i is big
In or equal to 1 and be less than or equal to N positive integer;
Wherein, described that the vehicle is controlled at a distance from i-th car antenna according to the remote control key, tool
If body includes: that the remote control key is greater than or equal to pre-determined distance at a distance from i-th car antenna, pass is controlled
Close car door and air-conditioning;If the remote control key is less than pre-determined distance at a distance from i-th car antenna, institute is obtained
The motion track of remote control key is stated, and the vehicle is controlled according to the motion track;It is described according to the shifting
Dynamic rail mark controls the vehicle, specifically includes: the movement of the remote control key is judged according to the motion track
Direction;If the moving direction is car door direction, opening car door lock is controlled;If the moving direction is tailstock direction,
Then control unlatching back-up case lock.
7. the location recognition method of remote control key as claimed in claim 6, which is characterized in that wherein, described first to
It include the magnetic field strength information for the detectable signal that the remote control key receives, the basis in N response signal
Described first obtains described first between N car antenna and the remote control key to N response signal respectively
One to N range information, and obtains the position of the remote control key to N range information according to described first, specific to wrap
It includes:
Described first is calculated separately between N car antenna and the remote control key according to the magnetic field strength information
Described first to N range information;
Determine first to N centered on described first to N car antenna respectively according to described first to N range information
It is round;And
The position of the remote control key is determined to N circle according to described first.
8. the location recognition method of remote control key as claimed in claim 7, which is characterized in that described according to described first
The position of the remote control key is determined to N circle, is specifically included:
Obtain the described first to N round public domain surrounded and described first to the circular intersection point of N;
Using the mass center in the constituted region of the line of the intersection point as the position of the remote control key.
9. the location recognition method of remote control key as claimed in claim 6, which is characterized in that further include:
If the remote control key in the vehicle, allows the vehicle electrifying startup and/or unlocking direction dish axle
Lock, and control described first and stop emitting the detectable signal to N car antenna.
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CN109318857A (en) * | 2018-09-06 | 2019-02-12 | 北京长城华冠汽车科技股份有限公司 | Vehicle seeks key method and system |
CN111959419B (en) * | 2020-08-25 | 2024-06-04 | 惠州华阳通用电子有限公司 | Vehicle-mounted device starting method and storage medium |
US12005858B2 (en) * | 2020-11-02 | 2024-06-11 | Ford Global Technologies, Llc | Vehicle door-off fob search |
CN112277880A (en) * | 2020-11-02 | 2021-01-29 | 英博超算(南京)科技有限公司 | Unlocking and locking control method and safety system of intelligent automobile |
CN112468955B (en) * | 2020-11-06 | 2022-10-21 | 南京天擎汽车电子有限公司 | Key positioning device for vehicle, vehicle with key positioning device and method |
CN113276620B (en) * | 2021-04-19 | 2022-10-11 | 深圳好易建软件有限公司 | Big data monitoring system and method for vehicle |
CN113240842A (en) * | 2021-06-03 | 2021-08-10 | 科世达(上海)机电有限公司 | Key positioning method, system and device and vehicle |
CN115056727A (en) * | 2021-09-24 | 2022-09-16 | 博泰车联网科技(上海)股份有限公司 | Method of controlling vehicle device, electronic device, and storage medium |
CN115219982B (en) * | 2022-06-06 | 2024-02-23 | 广州汽车集团股份有限公司 | Vehicle key positioning method and device, vehicle and storage medium |
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