CN106274792A - Seat belt system early warning system and method for vehicle - Google Patents
Seat belt system early warning system and method for vehicle Download PDFInfo
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- CN106274792A CN106274792A CN201510236257.1A CN201510236257A CN106274792A CN 106274792 A CN106274792 A CN 106274792A CN 201510236257 A CN201510236257 A CN 201510236257A CN 106274792 A CN106274792 A CN 106274792A
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- Prior art keywords
- seat belt
- rfid label
- label tag
- response
- signal
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
- B60R2022/4808—Sensing means arrangements therefor
- B60R2022/4816—Sensing means arrangements therefor for sensing locking of buckle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
- B60R2022/4808—Sensing means arrangements therefor
- B60R2022/4858—Sensing means arrangements therefor for sensing pressure on seat
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
- Lock And Its Accessories (AREA)
Abstract
Present invention provide for seat belt system early warning system and the method for vehicle.This seat belt system early warning system includes: for locking tongue for safety belt, this dead bolt is provided with RFID label tag；For the mortise lock of seat belt, this dead bolt is inserted into this mortise lock and enters seat belt setting fastening state, and can extract entrance seat belt system state from this mortise lock, and when this dead bolt inserts this mortise lock, this mortise lock carries out signal shielding to this RFID label tag；And keyless access system, during predetermined answer signal in preset range around detecting, car door is unlocked, and also for carrying out near-field communication with this RFID label tag, this keyless access system includes evaluator, this RFID label tag response to RF signal in sending RF signal and detecting preset range；And controller, report to the police for determining whether to start based on this response, wherein when this evaluator detects this response, this controller starts prompting and is in the seat belt system warning of seat belt system state.
Description
Technical field
The present invention relates to the seat belt system early warning system for vehicle and method.
Background technology
At present, vehicle has been the vehicles that a lot of people selects, but, in a lot of vehicle accidents,
Due to Vehicular occupant (such as driver and/or other occupants), do not have fastening safety belt and cause can not
The loss retrieved.Therefore, existing automobile being fitted with seat belt system prior-warning device substantially, it leads to
Cross the loudspeaker on such as instrumental panel send chimes of doom or come by the flash for prompting of the alarm lamp on instrumental panel
Warning Vehicular occupant is not fastened the safety belt.Such seat belt system prior-warning device generally inserting at seat belt
Switch is set in lock, when seat belt dead bolt inserts mortise lock, touch switch so that seat belt system report
Alert stopping.But, in actual use, some users use of seat belts beyond extra dead bolt be buckled in
Instrument is cheated so that seat belt system alarm device loses its due effect in safety belt mortise lock.
In order to solve this problem, the open CN103847687A of such as Chinese invention patent application discloses
A kind of seat belt system prior-warning device, it comprises the chip being arranged on seat belt dead bolt, and installs
Switch receptor on seat belt seat mortise lock, wherein detect that dead bolt is inserted when this switch receptor
When entering in mortise lock and the normal signal of chip on dead bolt detected, this switch receptor is sent out to controller
The number of delivering letters, to close alarm lamp or stop alarm.
But, such seat belt system warning system needs between mortise lock and switching device, switch
Arrange between device and instrumental panel etc. extra wiring, trigger device and control device to transmit signal and
Realize controlling, this adds increased complexity and the production cost of seat belt system warning system, and finally
Increase complexity and the cost of vehicle.Additionally, in order to reduce cost, some vehicles use for heel row
Seat is not provided with the scheme of seat belt system early warning system, and this makes rear passenger be negligent of fastening safety belt,
Bring the heel row Vehicular occupant potential safety hazard that risk of injury increases in car accident.
Therefore, it is desirable to obtain whole seats in one can be readily applied to vehicle, reliability height and become
This cheap seat belt system early warning system for vehicle.
Summary of the invention
The invention provides the seat belt system early warning system for vehicle of a kind of novelty, this vehicle is pacified
Full band system early warning system make use of the keyless access system generally installed in vehicle, only need to be in safety
RFID label tag is set on the dead bolt of band and makes this RFID label tag and existing keyless entry in vehicle
System carries out near-field communication to transmit signal, it is not necessary to arrange wiring or extra communication system on vehicle body,
Therefore its cost is the cheapest.Present invention also offers a kind of by this for vehicle seat belt not
It it is the seat belt system method for early warning for vehicle of early warning system execution.
According to embodiments of the invention, it is provided that a kind of seat belt system early warning system for vehicle,
Including: for locking tongue for safety belt, described dead bolt is provided with RFID label tag；Inserting for seat belt
Lock, described dead bolt is inserted into described mortise lock and enters seat belt setting fastening state, and can be from described mortise lock
Extract entrance seat belt system state, and when described dead bolt inserts described mortise lock, described mortise lock pair
Described RFID label tag carries out signal shielding；And keyless access system, for around detecting
During predetermined answer signal in preset range, car door is unlocked, and also for and described RFID
Label carries out near-field communication, and described keyless access system includes evaluator, is used for sending RF signal
And the described RFID label tag response to RF signal in detecting described preset range；And controller,
Report to the police, wherein, when described evaluator detects institute for determining whether to start based on described response
When stating response, described controller starts prompting and is in the seat belt system warning of seat belt system state.
According to a preferred embodiment of the invention, described evaluator may also respond to car door unlock send
RF signal also detects the response to RF signal of the described RFID label tag, and described controller can be with base
Response in described RFID label tag judges to have carried out quantity and the volume of the described RFID label tag of response
Code is the most corresponding with the numerical value that described keyless access system is preset and coding.
According to a preferred embodiment of the invention, when described RFID label tag quantity or coding with described nothing
Numerical value or the coding of key entrance systemic presupposition can not start prompting safety to controller described during correspondence
There is the seat belt fault alarm of fault in band.
According to a preferred embodiment of the invention, described seat belt system early warning system can also include: car
Speed sensor, for detecting speed；And seat state sensor, for seat
On whether have passenger to detect.
According to a preferred embodiment of the invention, when speed is more than predetermined value and the detection of described seat sensor
When having passenger on seat, described evaluator can periodically send RF signal, and,
When described evaluator detects from the described RFID label tag corresponding with seat passenger being detected
During the response sent, described controller can start the warning of seat belt system.
According to a preferred embodiment of the invention, when described dead bolt inserts described mortise lock, in described mortise lock
Including metal parts directly described RFID label tag can be carried out signal shielding.
According to a preferred embodiment of the invention, when described dead bolt inserts described mortise lock, in described mortise lock
The metal coating of coating can carry out signal shielding to described RFID label tag.
According to another embodiment of the present invention, it is provided that a kind of seat belt Wei Xiyu police for vehicle
Method, its utilization: for locking tongue for safety belt, described dead bolt is provided with RFID label tag；For safety
The mortise lock of band, described dead bolt is inserted into described mortise lock and enters seat belt setting fastening state, and can be from institute
State mortise lock and extract entrance seat belt system state, and when described dead bolt inserts described mortise lock, described
Mortise lock carries out signal shielding to described RFID label tag；And keyless access system, in detection
During predetermined answer signal in the preset range of du vehicule, car door is unlocked, described seat belt
It is not that method for early warning comprises the steps: to use the evaluator of described keyless access system to send RF
Signal the described RFID label tag response to RF signal in detecting described preset range；Based on described
Response determines whether to start reports to the police, and wherein, when described evaluator detects described response, starts
Prompting is in the seat belt system warning of seat belt system state.
According to a preferred embodiment of the invention, described seat belt system method for early warning can also include as follows
Step: use keyless access system that car door is unlocked；Unlock in response to car door, make described knowledge
Other device sends RF signal and detects the response to RF signal of the described RFID label tag, and based on described
The response of RFID label tag judges to have carried out the quantity of the described RFID label tag of response and coding with described
Numerical value and coding that keyless access system is preset are the most corresponding, wherein, when described RFID label tag
Quantity or coding with described keyless access system preset numerical value or encode not to control described time corresponding
Device starts prompting seat belt and there is the seat belt fault alarm of fault.
According to a preferred embodiment of the invention, described seat belt system method for early warning can also include as follows
Step: speed is detected；To whether there being passenger on seat detect；When detected
Speed more than predetermined value and detect have passenger on seat time, make described evaluator periodically
Send RF signal, and, when described evaluator detect from seat passenger being detected
During the response that corresponding described RFID label tag sends, described controller starts the warning of seat belt system.
Seat belt system early warning system according to the present invention and method, make use of at present in vehicle more
Universal keyless access system, it is not necessary to arranging extra wiring, simple in construction, cost is relatively low, and
In being applicable to vehicle, the seat belt of whole seats uses.
Accompanying drawing explanation
Fig. 1 shows the example of the vehicle that the seat belt system early warning system of the present invention and method applied.
Fig. 2 shows the seat belt that the seat belt system early warning system according to the present invention and method are used
Example.
Fig. 3 shows the summary of seat belt system early warning system according to an exemplary embodiment of the present invention
Schematic diagram.
Fig. 4 shows the flow chart of seat belt system method for early warning according to an exemplary embodiment of the present invention.
Fig. 5 shows the flow chart of seat belt system method for early warning according to another embodiment of the present invention.
Detailed description of the invention
Below, will be described with reference to the accompanying drawings the seat belt system early warning system according to the present invention and seat belt
It it is not the detailed description of the invention of method for early warning.
Vehicle
Fig. 1 shows the vehicle that the seat belt system early warning system of the present invention and method are applied
Example.
With reference to Fig. 1, it is shown that vehicle 10 be a kind of common family-sized car, it includes front door 11F
And 11F, tail gate 11R and 11R, front-row seats 12F and 12F, back seat 12R and 12R,
And boot 13.Vehicle 10 also includes keyless access system (not shown), and it is permissible
RF signal is sent to around, and around detecting during the predetermined answer signal in preset range, right
Car door is unlocked.The handle that the antenna of keyless access system may be mounted at such as either door is attached
Near or boot etc., so that its signal can cover preset range around.In vehicle 10, bag
Including multiple seat, each seat all comprises the seat belt of correspondence.About the concrete structure of seat belt, will
It is described below.
Seat belt
Fig. 2 shows the seat belt that the seat belt system early warning system according to the present invention and method are used
Example.
With reference to Fig. 2, seat belt 20 includes dead bolt 21 and mortise lock 22, and dead bolt 21 is inserted into mortise lock
22 enter seat belt setting fastening state, and can extract entrance seat belt system state from mortise lock 2.According to
Embodiments of the invention, dead bolt 21 is provided with RFID (RF identification) label 23.RFID label tag
23 can carry out near-field communication with keyless access system, i.e. when keyless access system sends specific
During the RF signal of frequency, RFID label tag 23 can be encouraged by this RF signal, and send data with
Receive for keyless access system.
Additionally, when dead bolt 21 inserts mortise lock 23, RFID label tag 23 can be carried out by mortise lock 23
Signal shielding.Signal shielding can realize in several ways, such as, is provided with in mortise lock 22
Electromagnetic field can be produced the metal parts of interference, when dead bolt 21 inserts mortise lock 22, this metal parts
Directly RFID label tag 23 can be carried out signal shielding.Or, in mortise lock 22, it is coated with shielding material
Material (such as, metal coating), when dead bolt 21 inserts mortise lock 22, this shielding material can be right
RFID label tag 23 carries out signal shielding.
Seat belt system early warning system
Hereinafter, Fig. 1 to Fig. 3 will be combined specifically describe the peace of the exemplary embodiment according to the present invention
Full band system early warning system.
Fig. 3 shows the general of seat belt system early warning system 100 according to an exemplary embodiment of the present invention
The property wanted schematic diagram.
With reference to Fig. 3, include according to the seat belt system early warning system 100 of embodiment of the present invention
Multiple multiple mortise locks 22 arranged for locking tongue for safety belt 21 and dead bolt 21 one_to_one corresponding and without key
Spoon enters system 30.
Keyless access system 30 sends RF signal via antenna and detects RFID chip (such as,
Contact type intelligent card usually used as Vehicular intelligent key card) response to RF signal, wherein,
Realize when keyless access system 30 predetermined answer signal in preset range around detecting
Some function, such as, as it was noted above, detecting making a reservation for induction signal from Intelligent key card
Time car door is carried out lock/unlock etc..Owing to the area detection signal of keyless access system is the most permissible
Cover the whole seats in vehicle, the most in the present invention, utilize keyless access system to launch RF
RFID label tag 23 on signal, with dead bolt 21 carries out near-field communication, and utilizes RFID label tag 23
Response detect seat belt the most setting fastening, thus realize the warning of seat belt system.
Specifically, in an exemplary embodiment of the present invention, keyless access system 30 includes knowing
Other device 31 and controller 32.Evaluator 31 be used for sending RF signal and detecting preset range in RFID
The label 23 response to this RF signal, controller 32 is for determining whether to start based on this response
Report to the police.Such as, owing to when locking tongue for safety belt 21 inserts mortise lock 22, mortise lock 22 is to dead bolt 21
On RFID label tag 23 carry out signal shielding, therefore, when evaluator 31 detects RFID label tag
During the response of 23 pairs of RF signals, i.e. show that locking tongue for safety belt 21 is not inserted into mortise lock 22, control
Device 32 just starts alarm device 60, and prompting is in the seat belt system warning of seat belt system state.
Alarm device 60 can e.g. send auditory tone cues loudspeaker, send light prompting light or
It it is the display screen etc. on instrumental panel.
Additionally, in order to avoid sending the warning of seat belt system under the parked state of vehicle mistakenly, or
It is not warning in order to avoid the seat belt corresponding for the seat of the actual passenger of there is no sends mistakenly, this
The example embodiment of invention can also comprise miscellaneous part further to tackle these problems.Referring again to
Fig. 1, this seat belt system early warning system 100 can also include: vehicle speed sensor 40, for car
Speed detects；And seat state sensor 50, for whether there being passenger to carry out on seat
Detection.The controller 32 of keyless access system 30 receives respectively from vehicle speed sensor 40 and seat
The testing result of state sensor 50, and by the speed detected by vehicle speed sensor 40 and control
The predetermined value arranged in device compares.When speed is more than predetermined value, it is believed that vehicle is travelling works as
In, therefore there is necessity of seat belt setting fastening.Therefore, when speed is more than this predetermined value and when from seat
When having passenger on the testing result display seat of chair state sensor 50, show that this seat is corresponding
Seat belt there is necessity of setting fastening；In this case, it is possible to make the knowledge of keyless access system 30
Other device 31 periodically sends RF signal.When evaluator 31 detect from detect passenger's
During the response that the RFID label tag 23 that seat is corresponding sends, then the car showing with passenger being detected
The locking tongue for safety belt that seat is corresponding 21 is not inserted into mortise lock 22, and controller 32 just starts seat belt
It it is not warning.
Additionally, in another embodiment of the present invention, can be right when passenger will enter vehicle
The RFID label tag that the seat belt dead bolt that each seat is corresponding is comprised carries out initializing inspection.Such as,
When the evaluator 31 of keyless access system 30 detect unblank from Intelligent key card response time,
Thinking that passenger will enter vehicle, now the seat belt in vehicle should be completely in not is state.Cause
This, can be set as evaluator 31 unlocking in response to car door sending for seat belt dead bolt further
The RF signal of RFID label tag 23, and detect the RFID label tag 23 response to RF signal, and
And controller 32 response based on RFID label tag 23 judges to have carried out the RFID label tag 23 of response
Quantity and coding with in keyless access system 30 preset numerical value and encode the most corresponding.When
Quantity or the coding of RFID label tag 23 are the most corresponding with the numerical value that keyless access system 30 is preset or coding
Time, then show there may be certain fault or obstacle, such as, the one or many in RFID label tag 23
Person cannot normal response etc., now, controller 32 starts prompting seat belt and there may be the peace of fault
Full tape jam is reported to the police.
Seat belt system early warning system according to the present invention, it is not necessary to pass by arranging wiring on vehicle body
Send RF signal, only need in locking tongue for safety belt, increase RFID label tag with low cost simply,
And adjust the evaluator of existing keyless access system, just can make this evaluator and locking tongue for safety belt
The RFID label tag of upper installation carries out near-field communication.Therefore, the seat belt system early warning that the present invention realizes
System can avoid user use of seat belts beyond extra dead bolt to cheat seat belt system early warning system,
Decrease the wiring quantity being arranged on automobile body simultaneously, reduce production cost, also reduce car
Weight.Additionally, the antenna of the evaluator of the most conventional keyless access system is generally arranged at door
Handle or boot etc., its read range can cover whole seats of vehicle well, therefore,
Can seat belt to whole seats is respectively provided with at low cost is not warning function, compared to existing technology in
For back seat is not arranged the scheme of seat belt system warning, improve the safety of rear passenger.
Seat belt system method for early warning
Below, will specifically describe in conjunction with Figure 4 and 5 and be held by above-mentioned seat belt system early warning system 100
The seat belt system method for early warning of row.
Fig. 4 shows the flow chart of seat belt system method for early warning according to an exemplary embodiment of the present invention.
With reference to Fig. 4, in step 410, the evaluator 31 of keyless access system 30 is used to send RF
Signal the RFID label tag 23 of the seat belt dead bolt response to RF signal in detecting preset range.?
Step S420, determines whether to start based on this response and reports to the police.Specifically, such as, evaluator is worked as
31 when detecting RFID label tag 23 to RF signal, then it is assumed that locking tongue for safety belt 21 is not inserted
Enter mortise lock 22, therefore started prompting by the controller 32 of keyless access system 30 and be in seat belt not
It it is the seat belt system warning of state.
According to above-mentioned seat belt system method for early warning, utilize evaluator and the safety of keyless access system
The RFID label tag installed on the dead bolt of band carries out near-field communication to transmit signal, thus realizes seat belt
It it is not early warning.So, with simple and reliable control method, avoiding beyond user uses of seat belts
While extra dead bolt cheats seat belt system early warning system, decrease and be arranged on automobile body
Wiring quantity, reduces production cost, also reduces vehicle weight.
Fig. 5 shows the flow chart of seat belt system method for early warning according to another embodiment of the present invention.
Seat belt system method for early warning shown in Fig. 5 is entering the seat belt system method for early warning shown in Fig. 4
One step is improved, and improves the accuracy of the seat belt system early warning of vehicle.
With reference to Fig. 5, in step S510, use keyless access system 30 that car door is unlocked.
In step S520, unlock in response to car door, it is believed that passenger will enter vehicle, therefore makes identification
Device 31 sends RF signal and detects the RFID label tag 23 response to RF signal.
In step S530, response based on the RFID label tag 23 received, it is determined that carried out response
RFID label tag 23 quantity and coding with keyless access system 30 in preset numerical value and coding
The most corresponding.Owing to now passenger not yet enters vehicle, therefore seat belt should be at not being state,
Therefore, the RFID label tag 23 in locking tongue for safety belt is not affected by the shielding of the mortise lock of seat belt, and answers
When RF signal is made response.When having carried out the quantity of RFID label tag 23 of response or coding and nothing
Key enters the default numerical value of system 30 or coding not to then showing during correspondence to there may be and seat belt
The fault that early warning system is relevant, one or more of such as RFID label tag 23 is stopped or nothing by signal
Method normally works, and evaluator exists the fault etc. sending RF signal, and controller 32 just starts prompting peace
There is the seat belt fault alarm of fault in full band；Otherwise, when RFID label tag 23 quantity and coding with
Numerical value that keyless access system 30 is preset and coding all to during correspondence then flow process be forwarded to step S540.
In step S540, by vehicle speed sensor 40 speed detected and pass through seat state
Sensor 5 detects whether there being passenger on seat.When the speed detected is more than predetermined value
And detect on seat, there is passenger, then it is forwarded to step S550.Otherwise, when the speed detected
Less than or equal to predetermined value or have not been able to detect whether have passenger on seat time, repeat step
S540。
In step S550, owing to detecting that speed is more than predetermined value and vehicle detected in step S540
Have passenger on seat, then it is assumed that the passenger on corresponding seat should fastening safety belt, therefore make evaluator
31 periodically send RF signal and detect the RFID label tag 23 response to RF signal.Work as identification
Device 31 detects from answering that the RFID label tag 23 corresponding with seat passenger being detected sends
When answering, then it is assumed that the seat belt dead bolt corresponding with seat passenger being detected is not inserted into mortise lock,
Then flow process is forwarded to step S560.When evaluator 31 fail to detect from car passenger being detected
During the response that the RFID label tag that seat is corresponding 23 sends, then it is assumed that corresponding seat belt setting fastening,
Thus repeat step S550.
In step S560, controller 32 starts the warning of seat belt system.
According to the embodiment with reference to the seat belt system method for early warning described in Fig. 5, utilize keyless entry
The evaluator of system carries out near-field communication to transmit letter with the RFID label tag of installation in locking tongue for safety belt
Number, thus realize the early warning of seat belt system.With simple and reliable control method, use avoiding user
While extra dead bolt beyond seat belt cheats seat belt system early warning system, decrease and be arranged in
Wiring quantity on automobile body, reduces production cost, also reduces vehicle weight.
Additionally, according to the embodiment with reference to the seat belt system method for early warning described in Fig. 5, in response to nothing
Key enters the car door unlocking motion of system, carries out initializing detection to the RFID label tag of seat belt,
Fault that may be present is pointed out, improves the reliability of system.
Additionally, according to the embodiment with reference to the seat belt system method for early warning described in Fig. 5, determining car
The early warning of seat belt system is carried out for corresponding seat in the case of travelling and have passenger on seat,
Improve the precision of system acting, and improve the comfortableness of passenger.
Other embodiments
Although as it was previously stated, by reference to accompanying drawing for the seat belt system early warning system of the present invention and side
Method describes some exemplary embodiments, but the invention is not restricted to these specific embodiments, and
Can there be other embodiments various.
Describing, for example, referring to Fig. 1, the vehicle that the present invention applied is ride-type car, and for
The warning of seat belt system all applied by each seat.But, present invention could apply to any there is passenger
Seat and the vehicle of seat belt, the quantity of seat belt is the most unrestricted, can be one, it is also possible to for
Multiple.Additionally, for there is multiple seat and the vehicle of corresponding seat belt, it is also possible to only to therein
The seat belt system alarm technique of the part application present invention, i.e. the most a part of seat is corresponding
Seat belt dead bolt on RFID label tag is set.
Such as, in the aforementioned embodiment, keyless access system is arranged on car door or boot etc.,
And utilize it that read range of Intelligent key card can be covered whole seat, but the present invention does not limits
In this, the installation site of keyless access system is not particularly limited, can adjust its installation site,
The installation site of antenna and arranging, covers the predetermined seat needing to carry out the early warning of seat belt system i.e.
Can.
Such as, in the aforementioned embodiment, when mortise lock is inserted for seat belt dead bolt, on dead bolt
RFID label tag is given some examples by the mode of signal shielding, but the structure of signal shielding and
Mode is not limited to this, and can use other feasible embodiments.
Although as it was previously stated, the exemplary embodiment of the present invention being carried out by reference to accompanying drawing in Shuo Ming
Illustrating, but the invention is not restricted to above-mentioned detailed description of the invention, the scope of the present invention should be wanted by right
Book and equivalents thereof is asked to limit.
Claims (10)
1. for a seat belt system early warning system for vehicle, including:
For locking tongue for safety belt, described dead bolt is provided with RFID label tag；
For the mortise lock of seat belt, described dead bolt is inserted into described mortise lock and enters seat belt setting fastening state,
And from described mortise lock, entrance seat belt system state can be extracted, and when described dead bolt inserts described inserting
During lock, described mortise lock carries out signal shielding to described RFID label tag；And
Keyless access system, for around detecting during the predetermined answer signal in preset range pair
Car door is unlocked, and also for carrying out near-field communication with described RFID label tag, described without key
Entrance system includes
Evaluator, described RFID mark in being used for sending RF signal and detecting described preset range
Sign the response to RF signal；And
Controller, reports to the police, wherein, when described for determining whether to start based on described response
When evaluator detects described response, described controller starts prompting and is in seat belt system state
The warning of seat belt system.
Seat belt system early warning system for vehicle the most according to claim 1, wherein,
Being additionally in response to car door unlock, described evaluator sends RF signal and detects described RFID label tag
Response to RF signal, and the response based on described RFID label tag of described controller judge into
Gone response described RFID label tag quantity and coding with described keyless access system preset number
Value and coding are the most corresponding.
Seat belt system early warning system for vehicle the most according to claim 2, wherein,
When described RFID label tag quantity or coding with described keyless access system preset numerical value or
Coding does not start prompting seat belt and there is the seat belt fault alarm of fault described controller during correspondence.
Early warning system of seat belt system for vehicle the most according to any one of claim 1 to 3
System, also includes:
Vehicle speed sensor, for detecting speed；And
Whether seat state sensor, for there being passenger to detect on seat.
Seat belt system early warning system for vehicle the most according to claim 4, wherein,
When speed detects when having passenger on seat more than predetermined value and described seat sensor, institute
State evaluator and periodically send RF signal, and, when described evaluator detect from detect
During the response that the described RFID label tag having the seat of passenger corresponding sends, described controller starts
The warning of seat belt system.
Seat belt system early warning system for vehicle the most according to claim 1, wherein,
When described dead bolt inserts described mortise lock, the metal parts included in described mortise lock is directly to described
RFID label tag carries out signal shielding.
Seat belt system early warning system for vehicle the most according to claim 1, wherein,
When described dead bolt inserts described mortise lock, in described mortise lock, the metal coating of coating is to described
RFID label tag carries out signal shielding.
8., for a seat belt system method for early warning for vehicle, it utilizes: for locking tongue for safety belt,
Described dead bolt is provided with RFID label tag；For the mortise lock of seat belt, described dead bolt is inserted into described
Mortise lock enters seat belt setting fastening state, and can extract entrance seat belt system state from described mortise lock,
And when described dead bolt inserts described mortise lock, described mortise lock carries out signal screen to described RFID label tag
Cover；And keyless access system, answer for making a reservation in preset range du vehicule being detected
When answering signal being unlocked car door, described method comprises the steps:
The evaluator using described keyless access system sends RF signal and detects described preset range
The interior described RFID label tag response to RF signal；
Determine whether to start based on described response and report to the police, wherein, when described evaluator detects described
During response, start prompting and be in the seat belt system warning of seat belt system state.
Seat belt system method for early warning for vehicle the most according to claim 8, also include as
Lower step:
Use keyless access system that car door is unlocked；
Unlock in response to car door, make described evaluator send RF signal and detect described RFID label tag
Response to RF signal, and response based on described RFID label tag judges to have carried out response
Numerical value and coding that the quantity of described RFID label tag and coding are preset with described keyless access system are
No correspondence, wherein, when quantity or the coding of described RFID label tag are pre-with described keyless access system
If numerical value or coding described controller during correspondence is not started prompting seat belt and there is the seat belt of fault
Fault alarm.
The seat belt system method for early warning for vehicle the most according to claim 8 or claim 9, also
Comprise the steps:
Speed is detected；
To whether there being passenger on seat detect；
When detected speed more than predetermined value and detect have passenger on seat time, make described
Evaluator periodically sends RF signal, and, when described evaluator detect from detected
During the response that the described RFID label tag that the seat of passenger is corresponding sends, described controller starts peace
The warning of full band system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107919019A (en) * | 2017-11-28 | 2018-04-17 | 武汉万集信息技术有限公司 | Peccancy detection method and system, safety belt based on RFID electronic label |
| CN111163976A (en) * | 2017-10-11 | 2020-05-15 | 奥托立夫开发公司 | Safety belt lock system |
| CN111746460A (en) * | 2019-03-29 | 2020-10-09 | 上海博泰悦臻网络技术服务有限公司 | Safety belt wearing monitoring system and vehicle |
| DE102020204291A1 (en) | 2020-04-02 | 2021-10-07 | Volkswagen Aktiengesellschaft | Method for manufacturing a vehicle and seat belt assembly |
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