CN107719304B - A kind of remote vehicle control method and system by antenna direction realization - Google Patents
A kind of remote vehicle control method and system by antenna direction realization Download PDFInfo
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- CN107719304B CN107719304B CN201710866729.0A CN201710866729A CN107719304B CN 107719304 B CN107719304 B CN 107719304B CN 201710866729 A CN201710866729 A CN 201710866729A CN 107719304 B CN107719304 B CN 107719304B
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- vehicle
- key controller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
- B60R25/245—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user where the antenna reception area plays a role
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/25—Means to switch the anti-theft system on or off using biometry
- B60R25/252—Fingerprint recognition
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present embodiments relate to Car Electronic Control technical fields, disclose a kind of remote vehicle control method and system by antenna direction realization, this method comprises: detecting the current location of vehicle without the control instruction for being used to control door lock for vehicle that key controller is inputted in response to user and obtaining the relative distance without key controller Yu the vehicle；This, according to current location and relative distance, controls built-in antenna and emits first direction wave beam, the first direction wave cover current location without key controller；No key controller is encrypted using dynamic encryption factor pair control instruction, and encrypted control instruction is transmitted to the vehicle control device of vehicle using the first direction wave beam；The vehicle control device controls the door lock for vehicle of vehicle according to encrypted control instruction；Implement the embodiment of the present invention, for adjustment signal transmission range and increase signal strength, help to improve vehicle control device and receive instruction capabilities, effective long-range control is realized to vehicle.
Description
Technical field
The present invention relates to Car Electronic Control technical fields, and in particular to a kind of vehicle remote realized by antenna direction
Control method and system.
Background technique
Vehicle Industry is in the fast development stage, and one of the daily necessities as people's trip, enter people
Family life in.As the development in intelligent epoch and people are higher and higher to Vehicular intelligent requirement, for realizing long-range vehicle
Control without key controller meet people to intelligence means suitable.Existing no key controller and vehicle control
Device mostly uses aerial coil, based on aerial coil receive and dispatch low frequency radio frequency signal, with complete mutual detection and authentication, with
And the control without key controller to vehicle, but aerial coil transmitting beam coverage than relatively limited, for example, without key
Controller aerial coil is based on emitting signal centered on no key controller, and signal strength is not concentrated, and transmitting range is also shorter,
It only could smoothly emission control instructed to vehicle control device in the closer range of vehicle, cause vehicle control device can not
Control instruction is detected and received, the usage experience sense of user is influenced.
Summary of the invention
The embodiment of the invention discloses a kind of remote vehicle control method realized by antenna direction and systems, for solving
Without key controller signal transmitting range, short, signal strength does not concentrate the technology for causing reception ability weaker to ask in certainly existing vehicle
Topic.
First aspect present invention discloses a kind of remote vehicle control method realized by antenna direction, comprising:
The control instruction for being used to control door lock for vehicle that no key controller is inputted in response to user, detects the current of vehicle
Position and the relative distance for obtaining the no key controller and the vehicle；
The no key controller controls built-in antenna and emits first party according to the current location and the relative distance
To wave beam, current location described in the first direction wave cover；
The no key controller is encrypted using control instruction described in dynamic encryption factor pair, utilizes the first party
Encrypted control instruction is transmitted to the vehicle control device of the vehicle to wave beam；
The vehicle control device controls the door lock for vehicle of the vehicle according to encrypted control instruction.
As an alternative embodiment, the no key controller is worked as according in first aspect present invention
Front position and the relative distance, control built-in antenna emit first direction wave beam, comprising:
The no key controller determines to include that the current location exists according to the current location and the relative distance
Interior overlay area according to the directional pattern of overlay area setting built-in antenna or power or inclination angle, and is based on
The transmitting of built-in antenna described in the directional pattern or power or pitch angle control covers the first party of the overlay area
To wave beam.
As an alternative embodiment, in first aspect present invention, it is described to be based on the directional pattern or function
The transmitting of built-in antenna described in rate or pitch angle control covers the first direction wave beam of the overlay area, comprising:
The no key controller control the one end of the built-in antenna far from the no key controller shell with it is described
Feeding point on no key controller circuit board is connected to enable the built-in antenna, based on the directional pattern or power or
The built-in antenna after person's pitch angle control enables emits the first direction wave beam for covering the overlay area.
As an alternative embodiment, the no key controller is in response to user in first aspect present invention
Input for controlling the control instruction of door lock for vehicle, detect the current location of vehicle and obtain the no key controller with
The relative distance of the vehicle, comprising:
The control instruction for being used to control door lock for vehicle that the no key controller is inputted in response to user, acquisition user refer to
Line, and the first low frequency radio frequency signal of transmitting, the first low frequency radio frequency signal carry the user fingerprints and vehicles identifications；
The vehicle control device receives the first low frequency radio frequency signal, judges whether the user fingerprints prestore with several
Any pre-stored fingerprint in fingerprint matches, and judges whether the vehicles identifications are adapted with default mark；
The vehicle control device matches and vehicles identifications and default in the user fingerprints and any pre-stored fingerprint
When mark is adapted, to the second low frequency radio frequency signal of the no key controller feedback, described in the second low frequency signal carrying
The location information of vehicle；
The no key controller determines the current location of the vehicle according to the location information, and with described current
Position is foundation, determines the relative distance of itself and the vehicle.
As an alternative embodiment, the vehicle control device is according to encrypted in first aspect present invention
After control instruction controls the door lock for vehicle of the vehicle, the method also includes:
The vehicle control device utilizes the first direction wave beam to vehicle described in the no key controller feedback control
The control result of door lock；
The no key controller receives the control result and shows the control result on the display screen.
As an alternative embodiment, the vehicle control device is according to encrypted in first aspect present invention
After control instruction controls the door lock for vehicle of the vehicle, the method also includes:
The vehicle control device sends the control result for controlling the door lock for vehicle to cloud server；
The cloud server obtains the vehicles identifications of the vehicle, searches the associated visitor of vehicles identifications of the vehicle
Family end；
The control result is sent to the client by the cloud server.
Second aspect of the present invention discloses a kind of vehicle remote control apparatus realized by antenna direction, it may include:
Without key controller, in response to user input for controlling the control instruction of door lock for vehicle, detect vehicle
Current location and obtain the relative distance of the no key controller and the vehicle；
The no key controller is also used to control built-in antenna transmitting according to the current location and the relative distance
First direction wave beam, current location described in the first direction wave cover；
The no key controller is also used to be encrypted using control instruction described in dynamic encryption factor pair, using described
Encrypted control instruction is transmitted to the vehicle control device of the vehicle by first direction wave beam；
The vehicle control device, for controlling the door lock for vehicle of the vehicle according to encrypted control instruction.
As an alternative embodiment, the no key controller is also used to basis in second aspect of the present invention
The current location and the relative distance, the mode of control built-in antenna transmitting first direction wave beam specifically:
The no key controller is specifically used for, and according to the current location and the relative distance, determines to include described
Overlay area including current location according to the directional pattern of overlay area setting built-in antenna or power or is inclined
Angle, and the overlay area is covered based on the transmitting of built-in antenna described in the directional pattern or power or pitch angle control
The first direction wave beam.
As an alternative embodiment, the no key controller is used to be based on institute in second aspect of the present invention
State the first direction that the transmitting of built-in antenna described in directional pattern or power or pitch angle control covers the overlay area
The mode of wave beam specifically:
The no key controller for control the one end of the built-in antenna far from the no key controller shell with
Feeding point on the no key controller circuit board is connected to enable the built-in antenna, is based on the directional pattern or function
The built-in antenna after rate or pitch angle control enable emits the first direction wave beam for covering the overlay area.
As an alternative embodiment, in second aspect of the present invention, the no key controller be used in response to
The control instruction for being used to control door lock for vehicle of user's input detects the current location of vehicle and obtains the no key controller
The mode of the relative distance of device and the vehicle specifically:
The control instruction for being used to control door lock for vehicle that the no key controller is used to input in response to user, acquisition are used
Family fingerprint, and the first low frequency radio frequency signal of transmitting, the first low frequency radio frequency signal carry the user fingerprints and vehicle
Mark；And the second low frequency radio frequency signal of the vehicle control device feedback is received, second low frequency signal carries the vehicle
Location information；And the current location of the vehicle is determined according to the location information, and be with the current location
Foundation determines the relative distance of itself and the vehicle；
In turn, the vehicle control device is also used to, and receives first low frequency radio frequency of the no key controller transmitting
Signal, judges whether the user fingerprints match with any pre-stored fingerprint in several pre-stored fingerprints, and judges the vehicle
It identifies whether to be adapted with default mark；And match and the vehicle in the user fingerprints and any pre-stored fingerprint
When mark is adapted with default mark, the second low frequency radio frequency signal is fed back to the no key controller.
As an alternative embodiment, the vehicle control device is also used to, in basis in second aspect of the present invention
After encrypted control instruction controls the door lock for vehicle of the vehicle, using the first direction wave beam to the no key controlled
The control result of door lock for vehicle described in device feedback control processed；
The no key controller is also used to, and is received the control result and is shown the control knot on the display screen
Fruit.
As an alternative embodiment, the system also includes cloud servers in second aspect of the present invention；
The vehicle control device is also used to, the door lock for vehicle that the vehicle is controlled according to encrypted control instruction it
Afterwards, Xiang Suoshu cloud server sends the control result for controlling the door lock for vehicle；
The cloud server is used for, and obtains the vehicles identifications of the vehicle, and the vehicles identifications for searching the vehicle are related
The client of connection；And the control result is sent to the client.
Compared with prior art, the embodiment of the present invention has the advantages that
In embodiments of the present invention, no key controller by receive user's input for controlling door lock for vehicle
The current location for then detecting vehicle in response to the control instruction after control instruction and acquisition are without key controller and vehicle
Relative distance, no key controller control built-in antenna and emit first direction wave beam according to the current location and relative distance, should
First direction wave cover current location, no key controller further use dynamic encryption factor pair control instruction to be added
It is close, encrypted control instruction is transmitted to the vehicle control device of vehicle using first direction wave beam, vehicle control device is receiving
To after encrypted control instruction, door lock for vehicle control is carried out to vehicle according to the encrypted control instruction；As can be seen that
By implement the embodiment of the present invention, according to the location information of the relative distance and vehicle of no key controller and vehicle, in real time into
The adjustment of the row antenna direction of the launch with adjustment signal transmission range and concentrates signal strength, helps to improve vehicle control device reception
Instruction realizes effective long-range control to vehicle.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is that the process of the remote vehicle control method disclosed by the embodiments of the present invention realized by antenna direction is illustrated
Figure；
Fig. 2 is wave cover schematic diagram disclosed by the embodiments of the present invention；
Fig. 3 is that another process of the remote vehicle control method disclosed by the embodiments of the present invention realized by antenna direction is shown
It is intended to；
Fig. 4 is the structural representation of the vehicle remote control apparatus disclosed by the embodiments of the present invention realized by antenna direction
Figure；
Fig. 5 is that another structure of the vehicle remote control apparatus disclosed by the embodiments of the present invention realized by antenna direction is shown
It is intended to.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It should be noted that the term " first ", " second " etc. in description and claims of this specification are to be used for
Different objects is distinguished, is not use to describe a particular order.The term " includes " of the embodiment of the present invention and " having " and he
Any deformation, it is intended that cover it is non-exclusive include, for example, contain the process, method of a series of steps or units,
System, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include being not clearly listed
Or the other step or units intrinsic for these process, methods, product or equipment.
The embodiment of the invention discloses a kind of remote vehicle control methods realized by antenna direction, are used for adjustment signal
Transmission range and increase signal strength, help to improve vehicle control device and receive instruction, realize effective remotely control to vehicle.
The embodiment of the present invention also accordingly discloses a kind of vehicle remote control apparatus realized by antenna direction.
Embodiment one
Referring to Fig. 1, Fig. 1 is the remote vehicle control method disclosed by the embodiments of the present invention realized by antenna direction
Flow diagram；As shown in Figure 1, a kind of remote vehicle control method realized by antenna direction can include:
101, the control instruction for being used to control door lock for vehicle inputted without key controller in response to user, detects vehicle
Current location and obtain its relative distance with vehicle.
In embodiments of the present invention, it is vehicle configuration without key controller, is also electronic intelligence key.Without key controller
Device includes microprocessor (Microcontroller Unit, MCU).The MCU realizes that the present invention is real by reading the instruction stored
Apply example.
Further, this further includes low frequency transmitter circuit, low frequencies antenna, low frequency reception electricity without key controller
Road, low frequency reception antenna, wireless key encrypted circuit, wireless key decryption circuit, indicator light, battery feed circuit, enabling are pressed
Key, boot key, shutdown key group, memory (such as electrically erasable programmable read-only memory).The low frequency transmitter circuit
It is connected with low frequencies antenna, low frequency reception circuit is connected with low frequencies antenna, low frequency transmitter circuit, low frequency reception electricity
Road, wireless key encrypted circuit, wireless key decryption circuit, indicator light, battery feed circuit, door opening key, boot key,
Shutdown key group, memory etc. are connected with MCU.
In conjunction with above-mentioned introduction, as an alternative embodiment, monitoring clamshell doors key or shutdown without key controller
The pressing operation of key group；When monitoring the pressing operation of clamshell doors key or shutdown key group, no key controller response
In the pressing operation, detects the current location of vehicle and obtain its relative distance with vehicle.
102, it controls built-in antenna according to current location and relative distance without key controller and emits first direction wave beam,
The first direction wave cover current location.
Wherein, also built-in common antenna, the antenna are wireless antenna in no key controller, which includes
A piece antenna or more antennas, which is directional aerial, can control the wave that the antenna generates a direction
Beam, one region of the wave cover, the region cover vehicle position, tool using relative distance as center axis, along central axis
Body is as shown in Figure 2.
The wave beam of built-in antenna transmitting includes main lobe wave beam and secondary lobe wave beam (being also null wave beam or minor lobe wave beam),
In, it include multiple valves in the wave beam of the overlay area of wireless antenna transmitting, maximum valve is known as main lobe wave beam, remaining is secondary lobe wave
Beam.Angle between two half power points of main lobe is defined as the lobe width of antenna radiation pattern, wherein main lobe valve is wide narrower, then direction
Property is better, and anti-interference ability is stronger.The level of secondary lobe wave beam refers to that maximum secondary lobe wave beam in all secondary lobe wave beams
Level, but if the case where secondary lobe beam levels are close to main lobe wave beam, the i.e. wireless antenna are high secondary lobe antenna, then main lobe
This index of beam angle cannot illustrate the radiation intensity of antenna, can not illustrate that the directionality of antenna is strong and weak.
Therefore, in embodiments of the present invention, by controlling the wave beam that built-in antenna emits certain orientation according to relative distance,
The direction coefficient (gain) of antenna according to the current location of relative distance and vehicle, can be namely set without key controller,
With a parameter for characterizing wireless antenna radiation energy intensity, for the direction coefficient in greatest irradiation direction,
It is worth bigger, the radiation of the energy of antenna is just more concentrated, and directional properties are just stronger, and then it is required that the valve of main lobe wave beam is wide narrower,
Secondary lobe wave beam is smaller, and gain is higher.
103, it is encrypted without key controller using dynamic encryption factor pair control instruction, it will using first direction wave beam
Encrypted control instruction is transmitted to the vehicle control device of vehicle.
As an alternative embodiment, without key controller by wireless key encrypted circuit generate dynamic encryption because
Then son is encrypted using the dynamic encryption factor pair control instruction, referred to encrypted control using first direction wave beam
Enable the vehicle control device for being transmitted to vehicle.
Without key controller from default frequency range selection target frequency sub-band, using first direction beams carry, this is encrypted
Then control instruction will be transmitted to vehicle by the encrypted control instruction of first direction beams carry by target frequency sub-band
Vehicle control device.Wherein, default frequency range can be unauthorized frequency range, and target frequency sub-band can be the free time in unauthorized frequency range
Frequency range, to ensure the smooth transmission of control instruction.Rather than authorized spectrum band safety is weaker, in embodiments of the present invention, can pass through
Dynamic encryption control instruction, to improve the safety of vehicle remote control.
104, vehicle control device controls the door lock for vehicle of vehicle according to encrypted control instruction.
Wherein, vehicle control device includes MCU, further includes low frequency transmitter circuit, low frequencies antenna, low frequency reception electricity
Road, low frequency reception antenna, wireless key encrypted circuit, wireless key decrypt circuit, drive gate control circuit, shutdown control circuit
Deng.Low frequency transmitter circuit, low frequency reception circuit, wireless key encrypted circuit, wireless key decryption circuit, open the door control electricity
Road, shutdown control circuit etc. are connected with MCU, and drive gate control circuit is connected by route with Vehicular door, shutdown control circuit
It is connected also by route with Vehicular door.After vehicle control device receives encryption by low frequency reception circuit control low frequency reception antenna
Control instruction, using the wireless key decryption circuit encrypted control instruction is decrypted, after successful decryption, according to
Control instruction controls the door lock for vehicle of vehicle, such as closes the door and open the door.
In some embodiments, the module that no key controller is introduced in addition to above-mentioned steps 101, further includes display module
With display screen, the display module and display screen are connected with MCU, are based on this, vehicle control device is according to encrypted control
After the door lock for vehicle of instruction control vehicle, vehicle control device should to no key controller feedback control using first direction wave beam
The control result of door lock for vehicle；No key controller receives control result and on the display screen display control result.In the reality
It applies in mode, vehicle control device feeds back control result, and the display control knot on the display screen of no key controller
Fruit, for example, can show " your love vehicle is successfully locked " on the display screen after locking door successfully.
As another optional embodiment, vehicle control device controls the vehicle of vehicle according to encrypted control instruction
After door lock, vehicle control device sends the control result of control door lock for vehicle to cloud server；Cloud server obtains vehicle
Vehicles identifications, search the associated client of vehicles identifications of vehicle；Control result is sent to client by cloud server.
In this embodiment, it in vehicle release, matches without key controller and the vehicle control device being installed on vehicle, meeting and vehicle
Mark is associated and is stored in cloud server, and user can be arranged by no key controller for receiving cloud service
The client of device information, cloud server will further be closed without key controller, vehicle control device, vehicles identifications and client etc.
Connection gets up, and after vehicle control device has sent control result, control result is directly sent to client by cloud server.
In embodiments of the present invention, no key controller by receive user's input for controlling door lock for vehicle
The current location for then detecting vehicle in response to the control instruction after control instruction and acquisition are without key controller and vehicle
Relative distance, no key controller control built-in antenna and emit first direction wave beam according to the current location and relative distance, should
First direction wave cover current location, no key controller further use dynamic encryption factor pair control instruction to be added
It is close, encrypted control instruction is transmitted to the vehicle control device of vehicle using first direction wave beam, vehicle control device is receiving
To after encrypted control instruction, door lock for vehicle control is carried out to vehicle according to the encrypted control instruction；As can be seen that
By implement the embodiment of the present invention, according to the location information of the relative distance and vehicle of no key controller and vehicle, in real time into
The adjustment of the row antenna direction of the launch with adjustment signal transmission range and concentrates signal strength, helps to improve vehicle control device reception
Instruction realizes effective long-range control to vehicle.
Embodiment two
Referring to Fig. 3, Fig. 3 is the remote vehicle control method disclosed by the embodiments of the present invention realized by antenna direction
Another flow diagram；As shown in figure 3, a kind of remote vehicle control method realized by antenna direction can include:
301, the control instruction for being used to control door lock for vehicle inputted without key controller in response to user, acquisition user refer to
Line, and the first low frequency radio frequency signal of transmitting, the first low frequency radio frequency signal carry user fingerprints and vehicles identifications.
In embodiments of the present invention, no key controller is when response control instructs, while acquiring user fingerprints, passes through use
Family fingerprint is to reinforce the safety management of vehicle.Wherein, fingerprint acquisition device, no key controller are set in no key controller
In the control instruction for being used to control door lock for vehicle inputted in response to user, user is acquired by the fingerprint acquisition device and is referred to
Line.
302, vehicle control device receive the first low frequency radio frequency signal, judge the user fingerprints whether in several pre-stored fingerprints
Any pre-stored fingerprint match, and judge vehicles identifications whether with it is default mark be adapted.Wherein, user fingerprints with appoint
When one pre-stored fingerprint matches and vehicles identifications are adapted with default mark, step 303 is turned to；It is prestored in user fingerprints with any
When fingerprint mismatches and/or vehicles identifications are not adapted with default mark, terminate the process.
The user fingerprints that first low frequency radio frequency signal carries are fingerprint image, and several fingers are prestored in vehicle control device
Line, vehicle control device judge whether the user fingerprints match with any pre-stored fingerprint in several pre-stored fingerprints, specifically include:
Vehicle control device uses region of the local gray level variance method where being partitioned into fingerprint to be verified in fingerprint image, what is be partitioned into
The binaryzation of fingerprint is realized in region with trend pass filtering method, and bianry image is carried out carefully by improved mixing OPTA algorithm
Change processing；The number that fingerprint central point is detected and counted with Poincare method determines the reference point and reference direction of fingerprint, and
Take the fingerprint characteristic point information in fingerprint image after refinement；Using reference point as origin, using reference direction as main shaft, sat with pole
Target form indicates fingerprint feature point coordinate, using fingerprint feature point coordinate as the characteristic of fingerprint to be known, and this is waited knowing
The characteristic and pre-stored fingerprint of fingerprint are matched, if successful match, judge that the user fingerprints prestore finger with any
Line matches.By the embodiment, fingerprint matching can be accurately carried out, the security monitoring of vehicle is reinforced.
303, vehicle control device matches in user fingerprints with any pre-stored fingerprint and vehicles identifications are mutually fitted with default mark
Timing feeds back the second low frequency radio frequency signal to no key controller, which carries the location information of vehicle.
Specifically, the built-in low frequency transmitter circuit of no key controller triggering, utilizes low frequencies antenna transmitting first
Low frequency radio frequency signal, the first low frequency radio frequency signal carry user fingerprints, vehicles identifications and first time label, at the first time
Label includes the time point for sending the solicited message；No key controller passes through the low frequency reception circuit, utilizes the low frequency reception
Antenna receives the second low frequency radio frequency signal that vehicle control device returns, which carries vehicle control device mark and second
Time tag, second time tag include time point, the time point for receiving the solicited message and the hair for sending the solicited message
Give the time point of the response message.
304, the current location of vehicle is determined according to location information without key controller, and using current location as foundation,
Determine its relative distance with vehicle.
After no key controller receives the second low frequency radio frequency signal, according to the time for receiving the second low frequency radio frequency signal
Point and the second time tag, calculate the relative distance of no key controller and vehicle, while analyzing the present bit of vehicle
It sets.
305, it controls built-in antenna according to current location and relative distance without key controller and emits first direction wave beam,
The first direction wave cover current location.
As an alternative embodiment, controlling built-in day according to current location and relative distance without key controller
Line transmitting first direction wave beam specifically includes:
Without key controller according to current location and relative distance, the overlay area including current location, root are determined
According to overlay area setting built-in antenna directional pattern or power perhaps inclination angle and based on directional pattern or power or
The transmitting of pitch angle control built-in antenna covers the first direction wave beam of the overlay area.
Specifically, above-mentioned low frequency transmitter circuit, low frequency reception circuit, wireless key encrypted circuit, wireless key decryption
Circuit etc. is integrated on circuit boards, is additionally provided with feeding point on the board, and built-in antenna one end of no key controller is leaned on
Closely without the shell of key controller, the other end far from shell is not contacted with any object, in the control instruction for receiving input
Later, no key controller is based on directional pattern or power or the transmitting of pitch angle control built-in antenna covers the overlay area
First direction wave beam include: that no key controller controls the one end of the built-in antenna far from no key controller shell and no key
Feeding point on spoon controller circuit board is connected to enable the built-in antenna, is then based on directional pattern or power or inclination angle
Built-in antenna after control enables emits the first direction wave beam for covering the overlay area.By the embodiment, in no key
When controller sends control instruction control vehicle, built-in antenna is just enabled, to ensure the signal strength for sending control instruction,
And when other, built-in antenna can not be enabled, so as to reduce specific absorption rate (Specific Absorption
Ratio, SAR) value.
306, it is encrypted without key controller using dynamic encryption factor pair control instruction, it will using first direction wave beam
Encrypted control instruction is transmitted to the vehicle control device of vehicle.
307, vehicle control device controls the door lock for vehicle of vehicle according to encrypted control instruction.
Through the foregoing embodiment, no key controller passes through in the control for being used to control door lock for vehicle for receiving user's input
After system instruction, while user fingerprints are acquired, is then sent to user fingerprints, vehicles identifications etc. by the first low frequency radio frequency signal
Vehicle control device, vehicle control device carry out identity validation certification by vehicles identifications, then carry out safety according to user fingerprints and recognize
Card, after identity validation certification and safety certification succeed, vehicle control device returns to the second low frequency radio frequency to no key controller
Signal, no key controller can determine the current location of vehicle according to the second low frequency radio frequency signal and obtain without key controller
With the relative distance of vehicle, no key controller controls built-in antenna and emits first party according to the current location and relative distance
To wave beam, the first direction wave cover current location, no key controller further uses the control of dynamic encryption factor pair to refer to
Order is encrypted, and encrypted control instruction is transmitted to the vehicle control device of vehicle, vehicle control using first direction wave beam
Device carries out door lock for vehicle control to vehicle after receiving encrypted control instruction, according to the encrypted control instruction；
As can be seen that being believed by implementing the embodiment of the present invention according to the position of the relative distance and vehicle of no key controller and vehicle
Breath, the adjustment of the real-time perfoming antenna direction of the launch with adjustment signal transmission range and concentrate signal strength, help to improve vehicle control
Device processed receives instruction, realizes effective long-range control to vehicle.
Embodiment three
Referring to Fig. 4, Fig. 4 is the vehicle remote control apparatus disclosed by the embodiments of the present invention realized by antenna direction；
As shown in figure 4, a kind of vehicle remote control apparatus realized by antenna direction can include:
Without key controller 410, in response to user input for controlling the control instruction of door lock for vehicle, detect vehicle
Current location and obtain the relative distance without key controller 410 Yu vehicle；
No key controller 410 is also used to control built-in antenna transmitting first according to current location and the relative distance
Direction wave beam, current location described in the first direction wave cover；
No key controller 410 is also used to be encrypted using control instruction described in dynamic encryption factor pair, using described
Encrypted control instruction is transmitted to the vehicle control device of the vehicle by first direction wave beam；
Vehicle control device 420, for controlling the door lock for vehicle of the vehicle according to encrypted control instruction.
By implementing the embodiment of the present invention, believed according to the position of the relative distance and vehicle of no key controller and vehicle
Breath, the adjustment of the real-time perfoming antenna direction of the launch with adjustment signal transmission range and concentrate signal strength, help to improve vehicle control
Device processed receives instruction, realizes effective long-range control to vehicle.
Wherein, introduction of the embodiment of the present invention includes MCU without key controller 410, still further comprises low frequency transmitter
Circuit, low frequencies antenna, low frequency reception circuit, low frequency reception antenna, wireless key encrypted circuit, wireless key solution cipher telegram
Road, indicator light, battery feed circuit, door opening key, boot key, shutdown key group, memory (such as electrically erasable
Read-only memory).The low frequency transmitter circuit is connected with low frequencies antenna, low frequency reception circuit and low frequencies antenna phase
Even, low frequency transmitter circuit, low frequency reception circuit, wireless key encrypted circuit, wireless key decrypt circuit, indicator light, battery
Power supply circuit, door opening key, boot key, shutdown key group, memory etc. are connected with MCU, and then without key controller
410 are specifically used for the pressing operation of monitoring clamshell doors key or shutdown key group；When monitoring clamshell doors key or shutdown key
When the pressing operation of group, no key controller detects the current location of vehicle and obtains itself and vehicle in response to the pressing operation
Relative distance.
As another optional embodiment, above-mentioned no key controller 410 is also used to according to current location and described
Relative distance, the mode of control built-in antenna transmitting first direction wave beam specifically:
Above-mentioned no key controller 410 is specifically used for, and according to current location and relative distance, determines to include the present bit
Overlay area including setting, according to the directional pattern of overlay area setting built-in antenna or power or inclination angle, and
The first party of the overlay area is covered based on the transmitting of built-in antenna described in directional pattern or power or pitch angle control
To wave beam.
Further, no key controller 410 is specifically used for controlling the built-in antenna far from no key controller shell
One end is connect with the feeding point on no key controller circuit board to enable the built-in antenna, is then based on directional pattern or function
Built-in antenna after rate or pitch angle control enable emits the first direction wave beam for covering the overlay area.Pass through the embodiment party
Formula enables built-in antenna, just when no key controller sends control instruction control vehicle to ensure for sending control instruction
Signal strength built-in antenna can not be enabled, so as to reduce specific absorption rate (Specific and when other
Absorption Ratio, SAR) value.
As an alternative embodiment, above-mentioned no key controller 410 is used to control for what is inputted in response to user
The control instruction of door lock for vehicle processed detects the current location of vehicle and obtains the phase of the no key controller and the vehicle
The mode adjusted the distance specifically:
The control instruction for being used to control door lock for vehicle that above-mentioned no key controller 410 is used to input in response to user, is adopted
Collect user fingerprints, and transmitting the first low frequency radio frequency signal, the first low frequency radio frequency signal carry the user fingerprints and
Vehicles identifications；And the second low frequency radio frequency signal of the vehicle control device feedback is received, second low frequency signal carries institute
State the location information of vehicle；And the current location of the vehicle is determined according to location information, and with current location be according to
According to determining the relative distance of itself and the vehicle；
In turn, above-mentioned vehicle control device 420 is also used to, and receives the first low frequency radio frequency letter emitted without key controller 410
Number, judge whether the user fingerprints match with any pre-stored fingerprint in several pre-stored fingerprints, and judge the vehicle
It identifies whether to be adapted with default mark；And match and the vehicle mark in the user fingerprints and any pre-stored fingerprint
When knowledge is adapted with default mark, the second low frequency radio frequency signal is fed back to no key controller 410.
As an alternative embodiment, above-mentioned vehicle control device 410 is also used to, according to encrypted control instruction
After the door lock for vehicle for controlling the vehicle, using first direction wave beam to vehicle described in no 410 feedback control of key controller
The control result of door lock；
Above-mentioned no key controller 410 is also used to, and is received the control result and is shown the control on the display screen
As a result.
Example IV
Referring to Fig. 5, Fig. 5 is the vehicle remote control apparatus disclosed by the embodiments of the present invention realized by antenna direction
Structural schematic diagram；The vehicle remote control apparatus shown in fig. 5 realized by antenna direction is shown in Fig. 4 fixed by antenna
It is optimized on the basis of to the vehicle remote control apparatus of realization, system shown in fig. 5 further includes cloud server
510；
In turn, above-mentioned vehicle control device 420 is also used to, in the door lock for vehicle for controlling vehicle according to encrypted control instruction
Later, the control result of control door lock for vehicle is sent to cloud server 510；
Cloud server 510 is used for, and obtains the vehicles identifications of vehicle, searches the associated client of vehicles identifications of vehicle
End；And control result is sent to client.
By the vehicle remote control apparatus for implementing to realize above by antenna direction, according to no key controller and vehicle
Relative distance and vehicle location information, the real-time perfoming antenna direction of the launch adjustment, with adjustment signal transmission range and concentration
Signal strength helps to improve vehicle control device and receives instruction, realizes effective long-range control to vehicle.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact
Disc Read-Only Memory, CD-ROM) or other disc memories, magnetic disk storage, magnetic tape storage or can
For carrying or any other computer-readable medium of storing data.
Above to a kind of remote vehicle control method and system by antenna direction realization disclosed by the embodiments of the present invention
It is described in detail, used herein a specific example illustrates the principle and implementation of the invention, the above reality
The explanation for applying example is merely used to help understand method and its core concept of the invention；Meanwhile for the general technology of this field
Personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this theory
Bright book content should not be construed as limiting the invention.
Claims (8)
1. a kind of remote vehicle control method realized by antenna direction characterized by comprising
The control instruction for being used to control door lock for vehicle that no key controller is inputted in response to user, detects the current location of vehicle
And obtain the relative distance of the no key controller and the vehicle；
The no key controller controls built-in antenna and emits first direction wave according to the current location and the relative distance
Beam, current location described in the first direction wave cover；
The no key controller is encrypted using control instruction described in dynamic encryption factor pair, utilizes the first direction wave
Encrypted control instruction is transmitted to the vehicle control device of the vehicle by beam；
The vehicle control device controls the door lock for vehicle of the vehicle according to encrypted control instruction；
The no key controller controls built-in antenna and emits first direction wave according to the current location and the relative distance
Beam, comprising:
The no key controller determines including the current location according to the current location and the relative distance
Overlay area, according to the directional pattern of overlay area setting built-in antenna or power or inclination angle, and based on described
The transmitting of built-in antenna described in directional pattern or power or pitch angle control covers the first direction wave of the overlay area
Beam.
2. the method according to claim 1, wherein described based on the directional pattern or power or inclination angle
Control the first direction wave beam that the built-in antenna transmitting covers the overlay area, comprising:
The no key controller controls the one end of the built-in antenna far from the no key controller shell and the no key
Feeding point on spoon controller circuit board is connected to enable the built-in antenna, based on the directional pattern or power or is inclined
The built-in antenna after angle control enables emits the first direction wave beam for covering the overlay area.
3. according to claim 1 to 2 described in any item methods, which is characterized in that the no key controller is in response to user
Input for controlling the control instruction of door lock for vehicle, detect the current location of vehicle and obtain the no key controller with
The relative distance of the vehicle, comprising:
The control instruction for being used to control door lock for vehicle that the no key controller is inputted in response to user, acquires user fingerprints,
And the first low frequency radio frequency signal of transmitting, the first low frequency radio frequency signal carry the user fingerprints and vehicles identifications；
The vehicle control device receives the first low frequency radio frequency signal, judge the user fingerprints whether with several pre-stored fingerprints
In any pre-stored fingerprint match, and judge the vehicles identifications whether with it is default mark be adapted；
The vehicle control device matches and the vehicles identifications and default mark in the user fingerprints and any pre-stored fingerprint
When being adapted, the second low frequency radio frequency signal is fed back to the no key controller, second low frequency signal carries the vehicle
Location information；
The no key controller determines the current location of the vehicle according to the location information, and with the current location
For foundation, the relative distance of itself and the vehicle is determined.
4. the method according to claim 1, wherein the vehicle control device is according to encrypted control instruction control
After the door lock for vehicle for making the vehicle, the method also includes:
The vehicle control device sends the control result for controlling the door lock for vehicle to cloud server；
The cloud server obtains the vehicles identifications of the vehicle, searches the associated client of vehicles identifications of the vehicle
End；
The control result is sent to the client by the cloud server.
5. a kind of vehicle remote control apparatus realized by antenna direction characterized by comprising
Without key controller, in response to user input for controlling the control instruction of door lock for vehicle, detect working as vehicle
Front position and the relative distance for obtaining the no key controller and the vehicle；
The no key controller is also used to control built-in antenna transmitting first according to the current location and the relative distance
Direction wave beam, current location described in the first direction wave cover；
The no key controller is also used to be encrypted using control instruction described in dynamic encryption factor pair, utilizes described first
Encrypted control instruction is transmitted to the vehicle control device of the vehicle by direction wave beam；
The vehicle control device, for controlling the door lock for vehicle of the vehicle according to encrypted control instruction；
The no key controller is also used to control built-in antenna transmitting first according to the current location and the relative distance
The mode of direction wave beam specifically:
The no key controller is specifically used for, and according to the current location and the relative distance, determines to include described current
Directional pattern or power or the inclination angle of built-in antenna are arranged according to the overlay area for overlay area including position, with
And it is covered described in the overlay area based on the transmitting of built-in antenna described in the directional pattern or power or pitch angle control
First direction wave beam.
6. system according to claim 5, which is characterized in that the no key controller is used to be based on the directional pattern
Either the transmitting of built-in antenna described in power or pitch angle control covers the mode of the first direction wave beam of the overlay area
Specifically:
The no key controller for control the one end of the built-in antenna far from the no key controller shell with it is described
Feeding point on no key controller circuit board is connected to enable the built-in antenna, based on the directional pattern or power or
The built-in antenna after person's pitch angle control enables emits the first direction wave beam for covering the overlay area.
7. according to the described in any item systems of claim 5 to 6, which is characterized in that the no key controller be used in response to
The control instruction for being used to control door lock for vehicle of user's input detects the current location of vehicle and obtains the no key controller
The mode of the relative distance of device and the vehicle specifically:
The control instruction for being used to control door lock for vehicle that the no key controller is used to input in response to user, acquisition user refer to
Line, and the first low frequency radio frequency signal of transmitting, the first low frequency radio frequency signal carry the user fingerprints and vehicles identifications；
And the second low frequency radio frequency signal of the vehicle control device feedback is received, second low frequency signal carries the vehicle
Location information；And the current location of the vehicle is determined according to the location information, and with the current location be according to
According to determining the relative distance of itself and the vehicle；
In turn, the vehicle control device is also used to, and receives the first low frequency radio frequency signal of the no key controller transmitting,
Judge whether the user fingerprints match with any pre-stored fingerprint in several pre-stored fingerprints, and judges the vehicles identifications
Whether it is adapted with default mark；And the user fingerprints and any pre-stored fingerprint match and the vehicles identifications with
When default mark is adapted, the second low frequency radio frequency signal is fed back to the no key controller.
8. system according to claim 5, which is characterized in that the system also includes cloud servers；
The vehicle control device is also used to, after the door lock for vehicle for controlling the vehicle according to encrypted control instruction, to
The cloud server sends the control result for controlling the door lock for vehicle；
The cloud server is used for, and obtains the vehicles identifications of the vehicle, and the vehicles identifications for searching the vehicle are associated
Client；And the control result is sent to the client.
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| US10587150B1 (en) * | 2018-12-12 | 2020-03-10 | Ford Global Technologies, Llc | Ambient RF backscatter communication for vehicle remote control |
| CN110758323B (en) * | 2019-09-24 | 2021-12-14 | 大众问问(北京)信息科技有限公司 | Vehicle starting method and device, vehicle-mounted equipment and storage medium |
| CN111429623A (en) * | 2020-05-12 | 2020-07-17 | 贵州国卫信安科技有限公司 | System for preventing wireless key signal from being cracked and interfered and using method thereof |
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