CN103258361A - Automobile anti-back-locking system and method - Google Patents
Automobile anti-back-locking system and method Download PDFInfo
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- CN103258361A CN103258361A CN201310176239XA CN201310176239A CN103258361A CN 103258361 A CN103258361 A CN 103258361A CN 201310176239X A CN201310176239X A CN 201310176239XA CN 201310176239 A CN201310176239 A CN 201310176239A CN 103258361 A CN103258361 A CN 103258361A
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Abstract
The invention discloses an automobile anti-back-locking system and method, which relate to the field of automobile back locking protection. The automobile anti-back-locking system comprises a signal projector, a passenger compartment signal receiver and a controller, wherein the signal projector is installed on an automobile key, and is used for emitting a first signal; the passenger compartment receiver is installed in a passenger compartment, and is used for receiving the first signal and emitting a second signal after receiving the first signal; the controller is used for receiving the second signal, and prevents an automobile door from being locked up according to the second signal; when an automobile key is pulled out, the passenger compartment signal receiver is started up; and when the automobile key is in a key hole, the passenger compartment receiver is closed. The design can prevent the situation that an automobile door cannot be unlocked since an automobile key is locked in a passenger compartment or a luggage compartment.
Description
Technical field
The present invention relates to the automobile key inverse-locking protection field, especially a kind of automobile preventing key is locked system and method.
Background technology
Along with progress and the expanding economy of society, increasing automobile is come into family.Our common car generally is three-box car now, why is referred to as three-box car, is to be formed because its body structure seals different " railway carriage or compartment " of purposes mutually by three: anterior nacelle, the crew module at vehicle body middle part and the baggage room at rear portion.People tend to occur such problem when driving: the driver is accidentally with key back locking in vehicle occupant compartment or in the baggage room, and can't open car door.
This problem often appears at refuelling station or the scene of a traffic accident, gets off the driver temporarily, leaves behind key, and when buckling car door conveniently, within a short period of time, car door latched automatically, and car door is locked.In addition; after the driver gets off and locks car door; baggage room is opened; when preparation is got things together, smoothly the key in the hand is put in the baggage room through regular meeting, waits and forgotten taking-up after tidying up thing; buckle luggage-boot lid; with key back locking (i.e. lock is shut in many car boots cabin) in baggage room, this moment, key can't take out because car door latches.If do not have standby key or apart from the auto repair shop certain distance is arranged this moment, can only open car door by breaking compulsive means such as glass, this can cause damage to automobile, also can cause any property loss to the car owner.
Summary of the invention
The purpose of this invention is to provide a kind of key that prevents and locked the system and method in the crew module or in the baggage room, locked in the crew module or in the baggage room and cause the appearance of the situation that car door can not open to prevent car key.
In order to reach this purpose, the invention provides a kind of automobile preventing key and lock system, comprising:
Signal projector is installed on the automobile key, is used for: send first signal;
Crew module's signal receiver, be installed in the crew module, be used for: receive described first signal and after receiving described first signal, send secondary signal, wherein, the minimum value of described crew module's signal receiver signal strength values that can receive equals the maximum signal value of described automobile key described first signal that described crew module's signal receiver can receive outside the car of closing of the door the time;
Controller is used for: receive described secondary signal, and according to described secondary signal, forbid that car door latches; When automobile key is extracted, start described crew module's signal receiver; And during at keyhole, close described crew module's signal receiver at automobile key.
Preferably, the described automobile preventing key system of locking also comprises:
Alarm device is used for giving the alarm;
Described controller also is used for: forbidding starting described alarm device when car door latches.
Preferably, the described automobile preventing key system of locking also comprises:
The baggage room signal receiver, be installed in the baggage room, be used for: receive described first signal and after receiving described first signal, launch the 3rd signal to described controller, wherein, the minimum value of the described baggage room signal receiver signal strength values that can receive equals the maximum signal value of described automobile key described first signal that the baggage room signal receiver can receive outside the car that luggage-boot lid is closed the time;
Described controller also is used for: start the baggage room signal receiver when described automobile key is extracted, and when luggage-boot lid latches, send the out code of baggage room signal receiver, and receive described the 3rd signal and latch according to described the 3rd signal-inhibiting luggage-boot lid.
Preferably, described controller also is used for: forbidding starting described alarm device when luggage-boot lid latches.
Preferably, described controller is integrated on the BCM.
The present invention also provides a kind of automobile preventing key to lock method, comprising:
Step 1, the key signal projector sends first signal; Controller judges whether automobile key is extracted, and if not, then flow process finishes; If then crew module's signal receiver starts;
Step 2 if crew module's signal receiver receives first signal, is then sent secondary signal; If not, then flow process finishes;
Step 3, controller receive described secondary signal, and forbid that according to described secondary signal car door latches.
Preferably, described step 3 also comprises: instruction gives the alarm.
Preferably, described step 1 also comprises: when automobile key was extracted, the baggage room signal receiver started.
Preferably, after step 1, also comprise:
Step 4, if described baggage room signal receiver does not receive described first signal, then flow process finishes; If receive described first signal, then send the 3rd signal;
Step 5, controller receive described the 3rd signal and according to described the 3rd signal, forbid that luggage-boot lid latches.
Preferably, described step 5 also comprises: send alarm command.
Compared with prior art, technique scheme has following technique effect at least:
1) the invention provides the automobile preventing key that signal projector, crew module's signal receiver, controller form and lock system, and crew module's signal receiver minimum threshold of being set to the signal strength values that can receive equals the maximum signal value of remote-control key first signal that crew module's signal receiver can receive outside the car of closing of the door the time.
When this design made key in car, car door can not latch; Key is outside the car of closing of the door the time, and the signal that signal projector sends can conductively-closed, and controller can not send forbids the car door signal that latches; When key was outside the car that car door is not closed, signal receiver received signal, and controller can send forbids the car door instruction that latches, but since this moment car door do not close, forbid that the instruction that latches can not bring inconvenience to the driver yet.
In addition, because automobile key is when lockhole, crew module's signal receiver is closed, and can not cause the situation that can't latch in vehicle traveling process, and can not produce potential safety hazard.This design also makes crew module's signal receiver only start in due course, but not starts always, has saved electric weight.
2) the invention provides the automobile preventing key that signal projector, baggage room signal receiver, controller form and lock system, and the baggage room signal receiver minimum threshold that is set to the signal strength values that can receive equals the maximum signal value of remote-control key first signal that signal receiver can receive outside the car that luggage-boot lid is closed the time.
When this design made key in baggage room, luggage-boot lid can not latch; Key is outside the car that luggage-boot lid is closed the time, and the signal that signal projector sends can conductively-closed, and controller can not send forbids the luggage-boot lid signal that latches; When key was outside the car that luggage-boot lid is not closed, signal receiver received signal, and controller can send forbids the luggage-boot lid instruction that latches, but since this moment luggage-boot lid do not close, forbid that the instruction that latches can not bring inconvenience to the driver yet.
3) controller can cause driver's attention forbidding the instruction that gives the alarm when car door latches, and reminds driver's key also in car.
4) controller can cause driver's attention forbidding the instruction that gives the alarm when luggage-boot lid latches, and reminds driver's key also in baggage room.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by the specific embodiment of the present invention, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 locks the structural representation of an embodiment of system for automobile preventing key of the present invention;
Fig. 2 locks the process flow diagram of an embodiment of system for automobile preventing key of the present invention;
The block diagram that Fig. 3 locks an embodiment of method for automobile preventing key of the present invention;
Fig. 4 locks the process flow diagram of another embodiment of system for automobile preventing key of the present invention;
Description of reference numerals is as follows:
Step 1 201 step 2 202
Step 3 203 step 4 204
Step 5 205
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.
Fig. 1 locks the structural representation of an embodiment of system for automobile preventing key of the present invention.As seen from Figure 1, the invention discloses a kind of automobile preventing key and lock system, comprising:
Crew module's signal receiver 102, be installed in the crew module, be used for: receive described first signal and after receiving described first signal, send secondary signal, wherein, the minimum value of 102 signal strength values that can receive of described crew module's signal receiver equals the maximum signal value of described automobile key 102 described first signals that can receive of described crew module's signal receiver outside the car of closing of the door the time;
When this design made key in car, car door can not latch; Key is outside the car of closing of the door the time, and the signal that signal projector 101 sends can conductively-closed, and controller 103 can not send forbids the car door signal that latches; When key was outside the car that car door is not closed, crew module's signal receiver 102 received signal, and controller 103 can send forbids the car door instruction that latches, but since this moment car door do not close, forbid that the instruction that latches can not bring inconvenience to the driver yet.
In addition, because automobile key is when lockhole, crew module's signal receiver 102 is closed, and can not cause the situation that can't latch in vehicle traveling process, and can not produce potential safety hazard.This design also makes 102 of crew module's signal receivers start in due course, but not starts always, has saved electric weight.
In the described embodiment of Fig. 1, the automobile preventing key of the present invention system of locking also comprises:
Described controller 103 also is used for: forbidding starting described alarm device 104 when car door latches.
This design can in time cause driver's attention, and prompting driver key also in car, has avoided automobile key to be locked the generation of the situation in car.
In another embodiment of the present invention, the described automobile preventing key system of locking also comprises:
The baggage room signal receiver, be installed in the baggage room, be used for: receive described first signal and after receiving described first signal, launch the 3rd signal to described controller 103, wherein, the minimum value of the described baggage room signal receiver signal strength values that can receive equals the maximum signal value of described automobile key described first signal that the baggage room signal receiver can receive outside the car that luggage-boot lid is closed the time;
Described controller also is used for: start the baggage room signal receiver when described automobile key is extracted, and when luggage-boot lid latches, send the out code of baggage room signal receiver, and receive described the 3rd signal and latch according to described the 3rd signal-inhibiting luggage-boot lid.
When this design made key in baggage room, luggage-boot lid can not latch; Key is closed but outside the car that do not latch the time at luggage-boot lid, and the signal that signal projector 101 sends can conductively-closed, and controller 103 can not send forbids the luggage-boot lid instruction that latches; When key was outside the car that luggage-boot lid is not closed, the baggage room signal receiver received signal, and controller 103 can send forbids the luggage-boot lid instruction that latches, but since this moment luggage-boot lid do not close, forbid that the instruction that latches can not bring inconvenience to the driver yet.
In one embodiment of the invention, described controller 103 also is used for: forbidding starting described alarm device 104 when luggage-boot lid latches.Can cause driver's attention like this, remind driver's key also in baggage room.
In the above-described embodiments, described controller 103 can be integrated on the BCM.
In the above-described embodiments, be installed on the electromagnetic wave of the signal projector 101 continuous outwards emission certain frequencies on the automobile key, described crew module's signal receiver 102 can be installed on crew module's inner top, and described baggage room signal receiver also can be installed on the baggage room inner top.The signal emission cut-off push button that is connected on signal projector 101 circuit can also be set on the described automobile key, be used for the circuit of cut-off signal transmitter 101 or a button that is used for cutting out crew module's signal receiver 102 and baggage room signal receiver is set in car.Like this can be when the user want to use the preventing key back locking function this function of manual-lock, make the user freely to select, also avoided some not need the inconvenience that anti-back locking function brings under anti-situations of locking.
Fig. 2 is the process flow diagram that automobile preventing key of the present invention is locked an embodiment of system, the block diagram that Fig. 3 locks an embodiment of method for automobile preventing key of the present invention.By Fig. 2, Fig. 3 as can be seen, the invention discloses a kind of automobile preventing key and lock method, comprising:
Step 201, signal projector 101 on the key sends first signal; Controller 103 judges whether automobile key is extracted, and if not, then flow process finishes; If then crew module's signal receiver 102 starts;
Step 202 if crew module's signal receiver 102 receives first signal, is then sent secondary signal; If not, then flow process finishes;
In another embodiment of the present invention, described automobile preventing key is locked method in step 203, also comprises: instruction gives the alarm.
In one embodiment of the invention, described step 201 also comprises: when automobile key was extracted, the baggage room signal receiver started.
Fig. 3 locks the process flow diagram of another embodiment of system for automobile preventing key of the present invention.As seen from Figure 3, in the described embodiment of Fig. 3, described automobile preventing key is locked method after step 1, also comprises:
Step 204, if described baggage room signal receiver does not receive described first signal, then flow process finishes; If receive described first signal, then send the 3rd signal;
Step 205, controller 103 receive described the 3rd signal and according to described the 3rd signal, forbid that luggage-boot lid latches.
In another embodiment of the present invention, described step 205 also comprises: send alarm command.
By reference to the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (10)
1. an automobile preventing key is locked system, it is characterized in that, comprising:
Signal projector (101) is installed on the automobile key, is used for: send first signal;
Crew module's signal receiver (102), be installed in the crew module, be used for: receive described first signal and after receiving described first signal, send secondary signal, wherein, the minimum value of described crew module's signal receiver signal strength values that can receive equals the maximum signal value of described automobile key described first signal that described crew module's signal receiver can receive outside the car of closing of the door the time;
Controller (103) is used for: receive described secondary signal, and according to described secondary signal, forbid that car door latches; When described automobile key is extracted, start described crew module's signal receiver; And described automobile key is closed described crew module's signal receiver when keyhole.
2. automobile preventing key as claimed in claim 1 is locked system, it is characterized in that, also comprises:
Alarm device (104) is used for giving the alarm;
Described controller also is used for: forbidding starting described alarm device when car door latches.
3. automobile preventing key as claimed in claim 2 is locked system, it is characterized in that, also comprises:
The baggage room signal receiver, be installed in the baggage room, be used for: receive described first signal and after receiving described first signal, launch the 3rd signal to described controller, wherein, the minimum value of the described baggage room signal receiver signal strength values that can receive equals the maximum signal value of described automobile key described first signal that described baggage room signal receiver can receive outside the car that luggage-boot lid is closed the time;
Described controller also is used for: start the baggage room signal receiver when described automobile key is extracted, and when luggage-boot lid latches, send the out code of baggage room signal receiver, and receive described the 3rd signal and latch according to described the 3rd signal-inhibiting luggage-boot lid.
4. automobile preventing key as claimed in claim 3 is locked system, it is characterized in that, described controller also is used for: forbidding starting described alarm device when luggage-boot lid latches.
5. automobile preventing key as claimed in claim 3 is locked system, and described controller is integrated on the BCM.
6. an automobile preventing key is locked method, it is characterized in that, comprising:
Step 1, signal projector on the key (101) sends first signal; Controller (103) judges whether automobile key is extracted, and if not, then flow process finishes; If then crew module's signal receiver (102) starts;
Step 2 if described crew module's signal receiver receives first signal, is then sent secondary signal; If not, then flow process finishes;
Step 3, described controller receives described secondary signal, and forbids that according to described secondary signal car door latches.
7. automobile preventing key as claimed in claim 6 is locked method, it is characterized in that, described step 3 also comprises: instruction gives the alarm.
8. lock method as claim 7 or 8 described automobile preventing keys, it is characterized in that described step 1 also comprises: when automobile key was extracted, the baggage room signal receiver started.
9. automobile preventing key as claimed in claim 8 is locked method, it is characterized in that, after step 1, also comprises:
Step 4, if described baggage room signal receiver does not receive described first signal, then flow process finishes; If receive described first signal, then send the 3rd signal;
Step 5, controller receive described the 3rd signal and according to described the 3rd signal, forbid that luggage-boot lid latches.
10. automobile preventing key as claimed in claim 9 is locked method, it is characterized in that, described step 5 also comprises: send alarm command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310176239.XA CN103258361B (en) | 2013-05-10 | 2013-05-10 | A kind of automobile preventing key locks system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310176239.XA CN103258361B (en) | 2013-05-10 | 2013-05-10 | A kind of automobile preventing key locks system and method |
Publications (2)
| Publication Number | Publication Date |
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| CN103258361A true CN103258361A (en) | 2013-08-21 |
| CN103258361B CN103258361B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310176239.XA Active CN103258361B (en) | 2013-05-10 | 2013-05-10 | A kind of automobile preventing key locks system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119869A (en) * | 2016-11-28 | 2018-06-05 | Smr专利责任有限公司 | The signal lamp being integrated in module housing and the control controlled it and supervisory circuit |
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|---|---|---|---|---|
| DE4240426A1 (en) * | 1992-12-02 | 1994-06-09 | Thomas Schmitz | Ignition key protection system for centralised locking of motor vehicle - uses interrogation signal and detected response to unlock locked vehicle when ignition key is still inside |
| CN101135212A (en) * | 2007-10-19 | 2008-03-05 | 张卓 | Automobile key inverse-locking protection method and system |
| JP2010138543A (en) * | 2008-12-09 | 2010-06-24 | Toyota Motor Corp | Door lock system for vehicle, keyless entry system, and lock control method |
| CN201778566U (en) * | 2010-02-27 | 2011-03-30 | 比亚迪股份有限公司 | Anti-error locking system of intelligent key |
| CN202534027U (en) * | 2012-03-10 | 2012-11-14 | 叶春林 | Device for preventing key from being left and locked in car |
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2013
- 2013-05-10 CN CN201310176239.XA patent/CN103258361B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4240426A1 (en) * | 1992-12-02 | 1994-06-09 | Thomas Schmitz | Ignition key protection system for centralised locking of motor vehicle - uses interrogation signal and detected response to unlock locked vehicle when ignition key is still inside |
| CN101135212A (en) * | 2007-10-19 | 2008-03-05 | 张卓 | Automobile key inverse-locking protection method and system |
| JP2010138543A (en) * | 2008-12-09 | 2010-06-24 | Toyota Motor Corp | Door lock system for vehicle, keyless entry system, and lock control method |
| CN201778566U (en) * | 2010-02-27 | 2011-03-30 | 比亚迪股份有限公司 | Anti-error locking system of intelligent key |
| CN202534027U (en) * | 2012-03-10 | 2012-11-14 | 叶春林 | Device for preventing key from being left and locked in car |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119869A (en) * | 2016-11-28 | 2018-06-05 | Smr专利责任有限公司 | The signal lamp being integrated in module housing and the control controlled it and supervisory circuit |
| CN108119869B (en) * | 2016-11-28 | 2021-05-11 | Smr专利责任有限公司 | Signal lamp integrated in a module housing and control and monitoring circuit for controlling same |
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| Publication number | Publication date |
|---|---|
| CN103258361B (en) | 2016-03-02 |
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