CN103247143A - Vehicle door opening alarm system and alarm method thereof - Google Patents
Vehicle door opening alarm system and alarm method thereof Download PDFInfo
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- CN103247143A CN103247143A CN2013102061310A CN201310206131A CN103247143A CN 103247143 A CN103247143 A CN 103247143A CN 2013102061310 A CN2013102061310 A CN 2013102061310A CN 201310206131 A CN201310206131 A CN 201310206131A CN 103247143 A CN103247143 A CN 103247143A
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Abstract
The invention relates to a vehicle door opening alarm system, comprising an information collecting unit, a main control unit, a first level alarm unit and a redundancy unit, wherein the information collecting unit is used for detecting the information of a moving object within an effective range behind a vehicle in real time; the main control unit is used for receiving and processing the information detected by the information collecting unit in real time; the first level alarm unit is used for receiving a first level alarm signal emitted by the main control unit to send a first level alarm after the main control unit judges that a vehicle door possibly collides with an outer moving object when the vehicle door is opened at the moment through comparison; and the redundancy unit is used for receiving a second level alarm signal emitted by the main control unit to send a second level alarm when a vehicle owner ignores the first level alarm signal and continues opening the vehicle door, and meanwhile receiving a control signal emitted by the main control unit to produce a door opening reverse resistance and to delay the door opening speed. The invention also provides an alarm method of the vehicle door opening alarm system. According to the vehicle door opening alarm system, the structure is simple; the cost is low; the safety of the vehicle door can be effectively ensured when the vehicle owner opens the vehicle door; the alarm system and the alarm method are suitable for various vehicles; and an alarm can be sent while the vehicle door is opened.
Description
Technical field
The invention belongs to automotive field, be specifically related to a kind of opening door of vehicle caution system, also relate to a kind of alarm method of above-mentioned opening door of vehicle caution system simultaneously.
Background technology
At present, in order to prevent the car owner when opening car door and exterior object bumps, generally all be provided with the caution system that opens the door on the existing vehicle, this caution system sensing enabling signal in real time of opening the door, and after sensing enabling signal, report to the police, prompting the car owner look around, and whether has mobile object, and avoid bumping at this mobile object of driving Men Shiyu, thereby guarantee the safety of vehicle and foreign object.
Though the above-mentioned caution system that opens the door can play the effect of caution, but because its time of fire alarming is without limits (as long as car owner's hand is touched door handle, warning system will start), therefore, under parking lot or other situations that need not to report to the police, the caution system that opens the door all can be reported to the police, and very easily makes the car owner produce the mood of agitation, conflict, cause the car owner to ignore warning, make the caution system that opens the door not have due warning effect.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the invention provides a kind of opening door of vehicle caution system, can be when opening car door and outside mobile object and this car car door and really risk of collision being arranged, just the car owner being carried out primary alarm reminds, all report to the police but not open car door at every turn, make warning function more practical; And when the car owner ignores this primary alarm, can send second-level alarm, remind again, can produce the resistance that opens the door simultaneously, fully guarantee the safety of vehicle.
Another object of the present invention provides a kind of alarm method of above-mentioned opening door of vehicle caution system.
For achieving the above object, the technical solution adopted in the present invention is as follows:
The alarm method of a kind of opening door of vehicle caution system and this caution system comprises:
Information acquisition unit is used for the information of the interior mobile object of this car of detection effective range in real time;
Main control unit, be used for receiving in real time and the detected information of process information collecting unit, by the relative velocity of mobile object in the coverage of analyzing and processing judgement information acquisition unit collection, and the relative velocity reference value that may bump of the result that will obtain and self storage is compared;
The one-level alarm unit, when main control unit judged that by contrast opening car door this moment may bump with outside mobile object, the one-level alerting signal that one-level alarm unit reception main control unit sends was carried out one-level and is reported to the police;
Redundancy unit is used for that the car owner ignores the one-level alerting signal and when continuing to open car door, receives secondary alerting signal that main control unit sends and carries out secondary and report to the police, and receives the control signal that main control unit sends simultaneously, produces the reverse resistance that opens the door, and delays the speed of opening the door.
As the restriction to redundancy unit, it comprises:
Be used for the induction staff and scratch induction mechanism into signal in the door handle, described induction mechanism connects the induced signal input end of main control unit;
Be used for sending behind the signal that main control unit receives the induction mechanism induction secondary alarm mechanism of second-level alarm, described secondary alarm mechanism connects the output terminal of main control unit secondary alerting signal;
Resistance for generation of the reverse resistance that opens the door produces mechanism, and described resistance produces the control signal output terminal that mechanism connects main control unit.
As the further restriction to redundancy unit: described induction mechanism adopts inductance capacitance, and described inductance capacitance is fixedly arranged in the door handle, and its two ends directly connect main control unit by lead; Described resistance produces mechanism and comprises solenoid, and described solenoid is sleeved on outside the center pillar between vehicle Qianmen and the back door, and its two ends connect the control signal output terminal of main control unit.
As the further restriction to redundancy unit: described resistance produces mechanism and also comprises resistance size adjustment mechanism, and described resistance size adjustment mechanism is serially connected on solenoid and the circuit that main control unit links to each other.
As the restriction to the one-level alarm unit: it comprises that described first pilot lamp and first electronic switch are connected between power supply and the ground by luminous first pilot lamp of indication, first electronic switch that opens and closes of reporting to the police under the control of main control unit.
As the restriction to the secondary alarm mechanism: it comprises that described second pilot lamp and second electronic switch are serially connected between power supply and the ground by luminous second pilot lamp of indication, second electronic switch that opens and closes of reporting to the police under the control of main control unit.
The present invention also provides the alarm method of above-mentioned opening door of vehicle caution system, may further comprise the steps:
(1) information detects: information acquisition unit detects the information of outside vehicle mobile object in real time, and detected information is real-time transmitted to main control unit;
(2) information is judged: main control unit carries out analyzing and processing with the information of the information acquisition unit collection that receives, obtain relative distance and the relative velocity of outside mobile object and this car, and relative distance reference value and the relative velocity reference value of the result that will obtain and self storage compare, and judges the possibility of the situation that bumps this moment according to comparison result;
(3) make control: main control unit is made corresponding control according to the result who judges.
As the restriction to said method: the judgement of making in the described step (two) comprises:
(21) outside mobile object is outside effective acquisition range of information acquisition unit, and when perhaps relative velocity was less than the relative velocity reference value of main control unit storage inside, main control unit was judged and opened car door and can not bump this moment;
(22) outside mobile object is in effective acquisition range of information acquisition unit, and relative velocity is during more than or equal to the relative velocity reference value of main control unit storage inside, and main control unit is judged and opened car door and can bump this moment.
As the further restriction to said method: the control that main control unit is made in the described step (three) comprises:
When (31) result who judges when main control unit was (21), main control unit can not reported to the police, and step () is got back to by system;
When (32) result who judges when main control unit was (22), main control unit sent alerting signal.
As the further restriction to said method: the alerting signal that main control unit sends in the described step (32) comprises:
1. main control unit sends the one-level alerting signal and gives the one-level alarm unit, carries out primary alarm, if the car owner no longer opens car door, and after the risk of collision contact, gets back to step (), otherwise enters step 2.;
2. the induction mechanism of redundancy unit detects the staff signal, and send main control unit to, main control unit control is sent the secondary alerting signal and is given the secondary alarm mechanism, carry out second-level alarm, simultaneously main control unit sends control signal and produces mechanism to resistance, produces the reverse resistance that opens the door, and delays the speed of opening the door, after the danger contact, get back to step ().
Owing to adopted above technical scheme, the technique effect that the present invention can be achieved as follows:
(1) the present invention is provided with one-level alarm unit and redundancy unit, when opening car door, information acquisition unit detects at this moment, and there is mobile object in the outside, and when this mobile object may bump with the car door of opening, main control unit can be controlled the one-level alarm unit and carry out the one-level warning, remind car owner's danger of opening the door at this moment, if the car owner continues to open car door, main control unit control redundancy unit sends the secondary alerting signal, the resistance of controlling redundancy unit simultaneously produces mechanism and produces the reverse resistance that opens the door, delay the speed of opening the door, after further avoiding opening car door at this moment, car door and outside mobile object bump;
(2) induction mechanism of redundancy unit adopts inductance capacitance, and resistance produces mechanism and adopts solenoid, and simple in structure, cost is low, and control precisely;
(3) resistance of redundancy unit generation mechanism also comprises governor motion, is used for regulating resistance and produces the resistance size that mechanism produces, and therefore, different car owners can be according to the different different resistance sizes of situation adjustment;
(4) one-level alarm unit and secondary alarm mechanism all adopt pilot lamp and electronic switch series circuit, and electronic switch all is subjected to the control of main control unit, and be simple in structure, cost is low, and alarm is obvious.
In sum, the present invention is simple in structure, and cost is low, can effectively guarantee the safety of car door when the car owner opens car door.
The present invention is applicable to various vehicles, can report to the police when car door opening.
Description of drawings
Fig. 1 is the theory diagram of the embodiment of the invention;
Fig. 2 is the schematic diagram that resistance produces mechanism 42 in the embodiment of the invention;
Fig. 3 is the circuit theory diagrams of one-level alarm unit 3 and secondary alarm mechanism 42 in the embodiment of the invention;
Fig. 4 is the alarm method process flow diagram of the embodiment of the invention.
Among the figure: 1-main control unit, 2-information acquisition unit, 3-one-level alarm unit, 4-redundancy unit, 41-induction mechanism, 42-secondary alarm mechanism, 43-resistance produces mechanism, 5-car door center pillar, 6-solenoid, 7-car door iron core.
Embodiment
The alarm method of a kind of opening door of vehicle caution system of embodiment and this caution system
A, a kind of opening door of vehicle caution system
As shown in Figure 1, this opening door of vehicle caution system comprises:
(1) information acquisition unit 2, are used for detecting in real time the information of mobile object in this car effective range.Present embodiment adopts the microwave radar that arranges in tailstock translocation as information acquisition unit 2, it can gather the mobile object in the 50m scope, in addition, can also adopt the radar sensor of doubling backup system or blind area detection system as information acquisition unit 2.
(2) main control unit 1, be used for receiving in real time and process information collecting unit 2 detected information, by the relative velocity of mobile object in the coverage of analyzing and processing judgement information acquisition unit 2 collections, and the relative velocity reference value that may bump of the result that will obtain and self storage is compared;
(3) the one-level alarm unit 3, and when main control unit 1 judged that by contrast opening car door this moment may bump with outside mobile object, the one-level alerting signal that one-level alarm unit 3 reception main control units 1 send was carried out one-level and reported to the police.The one-level alarm unit 3 of present embodiment comprises first pilot lamp by the luminous indication of reporting to the police, first electronic switch that under the control of main control unit 1, opens and closes, as shown in Figure 3: first pilot lamp adopts the first light emitting diode DW1, first electronic switch adopts the first triode Q1, the anode of the described first light emitting diode DW1 connects power vd D, negative electrode connects the collector of the first triode Q1 by first resistance R 1, the grounded emitter of the first triode Q1, and the base stage of the first triode Q1 connects the one-level alarm signal output ends of main control unit 1 by the 3rd resistance R 3.After main control unit 1 sends the one-level alerting signal, can make the first triode Q1 conducting, the conducting of the first triode Q1 makes the first light emitting diode DW1 that also conducting is luminous, can carry out alarm.
(4) redundancy unit 4, when continuing to open car door for the car owner ignores the one-level alerting signal, the secondary alerting signal that reception main control unit 1 sends is carried out the secondary warning, receives the control signal that main control unit 1 sends simultaneously, produce the reverse resistance that opens the door, delay the speed of opening the door.Comprise as shown in Figure 1:
Resistance produces mechanism 42, for generation of the reverse resistance that opens the door, further prompting to open door danger the time, slows down the speed of opening the door, and further guarantees the safety of vehicle.Comprise as shown in Figure 3: solenoid 6 and governor motion, described solenoid 6 are sleeved on outside the center pillar 5 between vehicle Qianmen and the back door, and its two ends connect the control signal output terminal of main control unit 1; Governor motion adopts slide rheostat R, it is serially connected on the connection line of solenoid 6 and main control unit 1, by regulating the size of slide rheostat R, can regulate the size of solenoid 6 both end voltage, and then can regulate the size that solenoid 6 produces electromagnetic forces, namely regulate the open the door size of reverse resistance of car door iron core 7.
In addition, described one-level alarm unit 3 and secondary alarm mechanism 42 can also use hummer of the prior art except using the first above-mentioned pilot lamp and second pilot lamp, constitute sound and light alarm; Speech chip of the prior art perhaps is installed, is carried out audio alert, order is reported to the police more directly perceived.Equally, information acquisition unit 2 can also use camera to carry out information acquisition except using above-mentioned microwave radar, and shows by display screen, and its connected mode all can adopt the mode that adopts in the existing vehicle monitoring technology.
The alarm method of opening door of vehicle caution system described in B, a kind of A
This alarm method relies on the opening door of vehicle caution system among the A to realize.
With reference to figure 4, this alarm method may further comprise the steps:
(1) information detects: information acquisition unit 2 detects the information of outside vehicle mobile object in real time, and detected information is real-time transmitted to main control unit 1.
(2) information is judged: main control unit 1 carries out analyzing and processing with the information that the information acquisition unit 2 that receives is gathered, obtain relative distance and the relative velocity of outside mobile object and this car, and relative distance reference value and the relative velocity reference value of the result that will obtain and self storage compare, and judges the possibility of the situation that bumps this moment according to comparison result.
The judgement that above-mentioned main control unit 1 is made comprises:
(21) outside mobile object is outside effective acquisition range of information acquisition unit 2, and when perhaps relative velocity was less than the relative velocity reference value of main control unit 1 storage inside, main control unit 1 was judged and opened car door and can not bump this moment.Owing to adopt microwave radar, therefore the scope of detection, directly just detects with interior object 50m in the present embodiment in 50m in this example; And present embodiment main control unit 1 is set at 10km/s with the Velocity Reference value, therefore works as mobile object beyond 50m, and when perhaps the speed of mobile object was in 10km/s, main control unit 1 was made and opened the judgement that car door can not bump this moment.
(22) outside mobile object is in effective acquisition range of information acquisition unit 2, and relative velocity is during more than or equal to the relative velocity reference value of main control unit 1 storage inside, and main control unit 1 is judged and opened car door and can bump this moment.According to above-mentioned description, namely mobile object appears in the 50m, and speed has been when having reached 10km/s, and main control unit 1 just can be made and open the judgement that car door can bump this moment.
(3) make control: main control unit 1 is made corresponding control according to the result who judges.
The control that above-mentioned main control unit 1 is made comprises:
When (31) result who judges when main control unit 1 was (21), main control unit 1 can not reported to the police, and step () is got back to by system;
When (32) result who judges when main control unit 1 was (22), main control unit 1 sent alerting signal.
And the alerting signal that main control unit 1 sends comprises:
1. main control unit 1 sends the one-level alerting signal and gives one-level alarm unit 3, carries out primary alarm, if the car owner no longer opens car door, and after the risk of collision contact, gets back to step (), otherwise enters step 2.;
2. the induction mechanism 41 of redundancy unit 4, be that inductance capacitance detects the staff signal, and send main control unit 1 to, main control unit 1 control is sent the secondary alerting signal and is given secondary alarm mechanism 42, carry out second-level alarm, even second pilot lamp behind the tailstock is lighted and is glimmered, caution rear mobile object slows down or dodges, simultaneously main control unit 1 sends control signal and produces mechanism 42 to resistance, produces the reverse resistance that opens the door, and delays the speed of opening the door, after the danger contact, second pilot lamp extinguishes, and solenoid is no longer switched on, and gets back to step ().
In order to control accurately, also be provided with following steps before in step ():
Utilize existing vehicle gear testing agency to detect the gear information of vehicle, and detected information be real-time transmitted to main control unit 1, i.e. vehicle ECU, determine that vehicle is neutral after, the Vehicular door that provides among the A just is provided opens caution system.
Claims (10)
1. opening door of vehicle caution system is characterized in that it comprises:
Information acquisition unit is for the information of mobile object in the effective range behind real-time this car of detection;
Main control unit, be used for receiving in real time and the detected information of process information collecting unit, by the relative velocity of mobile object in the coverage of analyzing and processing judgement information acquisition unit collection, and the relative velocity reference value that may bump of the result that will obtain and self storage is compared;
The one-level alarm unit, when main control unit judged that by contrast opening car door this moment may bump with outside mobile object, the one-level alerting signal that one-level alarm unit reception main control unit sends was carried out one-level and is reported to the police;
Redundancy unit, when continuing to open car door for the car owner ignores the one-level alerting signal, the secondary alerting signal that the reception main control unit sends is carried out the secondary warning, receives the control signal that main control unit sends simultaneously, produces the reverse resistance that opens the door, and delays the speed of opening the door.
2. opening door of vehicle caution system according to claim 1 is characterized in that described redundancy unit comprises:
Be used for the induction staff and scratch induction mechanism into signal in the door handle, described induction mechanism connects the induced signal input end of main control unit;
Be used for sending behind the signal that main control unit receives the induction mechanism induction secondary alarm mechanism of second-level alarm, described secondary alarm mechanism connects the output terminal of main control unit secondary alerting signal;
Resistance for generation of the reverse resistance that opens the door produces mechanism, and described resistance produces the control signal output terminal that mechanism connects main control unit.
3. opening door of vehicle caution system according to claim 2 is characterized in that:
Described induction mechanism adopts inductance capacitance, and described inductance capacitance is fixedly arranged in the door handle, and its two ends directly connect main control unit by lead;
Described resistance produces mechanism and comprises solenoid, and described solenoid is sleeved on outside the center pillar between vehicle Qianmen and the back door, and its two ends connect the control signal output terminal of main control unit.
4. opening door of vehicle caution system according to claim 3 is characterized in that: described resistance produces mechanism and also comprises resistance size adjustment mechanism, and described resistance size adjustment mechanism is serially connected on solenoid and the circuit that main control unit links to each other.
5. as any described opening door of vehicle caution system in the claim 1 to 4, it is characterized in that: described one-level alarm unit comprises that described first pilot lamp and first electronic switch are connected between power supply and the ground by luminous first pilot lamp of indication, first electronic switch that opens and closes of reporting to the police under the control of main control unit.
6. opening door of vehicle caution system according to claim 5, it is characterized in that: described second alarm mechanism comprises that described second pilot lamp and second electronic switch are serially connected between power supply and the ground by luminous second pilot lamp of indication, second electronic switch that opens and closes of reporting to the police under the control of main control unit.
7. the alarm method of an opening door of vehicle caution system is characterized in that it may further comprise the steps:
(1) information detects: information acquisition unit detects the information of outside vehicle mobile object in real time, and detected information is real-time transmitted to main control unit;
(2) information is judged: main control unit carries out analyzing and processing with the information of the information acquisition unit collection that receives, obtain relative distance and the relative velocity of outside mobile object and this car, and relative distance reference value and the relative velocity reference value of the result that will obtain and self storage compare, and judges the possibility of the situation that bumps this moment according to comparison result;
(3) make control: main control unit is made corresponding control according to the result who judges.
8. the alarm method of opening door of vehicle caution system according to claim 7, it is characterized in that: the judgement of making in the described step (two) comprises:
(21) outside mobile object is outside effective acquisition range of information acquisition unit, and when perhaps relative velocity was less than the relative velocity reference value of main control unit storage inside, main control unit was judged and opened car door and can not bump this moment;
(22) outside mobile object is in effective acquisition range of information acquisition unit 2, and relative velocity is during more than or equal to the relative velocity reference value of main control unit storage inside, and main control unit is judged and opened car door and can bump this moment.
9. the alarm method of opening door of vehicle caution system according to claim 8 is characterized in that: the control that main control unit is made in the described step (three) comprises:
When (31) result who judges when main control unit was (21), main control unit can not reported to the police, and step () is got back to by system;
When (32) result who judges when main control unit was (22), main control unit sent alerting signal.
10. the alarm method of opening door of vehicle caution system according to claim 9 is characterized in that: the alerting signal that main control unit sends in the described step (32) comprises:
1. main control unit sends the one-level alerting signal and gives the one-level alarm unit, carries out primary alarm, if the car owner no longer opens car door, and after the risk of collision contact, gets back to step (), otherwise enters step 2.;
2. the induction mechanism of redundancy unit detects the staff signal, and send main control unit to, main control unit control is sent the secondary alerting signal and is given the secondary alarm mechanism, carry out second-level alarm, main control unit sends control signal and produces mechanism to resistance simultaneously, produces the reverse resistance that opens the door, and delays the speed of opening the door, after the danger contact, get back to step ().
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| CN201310206131.0A CN103247143B (en) | 2013-05-29 | 2013-05-29 | The alarm method of opening door of vehicle caution system and this caution system |
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| CN201310206131.0A CN103247143B (en) | 2013-05-29 | 2013-05-29 | The alarm method of opening door of vehicle caution system and this caution system |
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| CN107539211A (en) * | 2016-06-28 | 2018-01-05 | 盐城工学院 | A kind of pre- anti-collision safety device of automobile door opening |
| CN104459702B (en) * | 2013-09-17 | 2018-06-22 | 大众汽车有限公司 | For detecting the device and method of the side ambient of motor vehicle |
| CN108674342A (en) * | 2018-05-25 | 2018-10-19 | 上海与德科技有限公司 | Safety instruction method, apparatus, storage medium and the automobile of opening door of vehicle |
| CN108725153A (en) * | 2017-04-20 | 2018-11-02 | 比亚迪股份有限公司 | Method, storage medium and the wheeled vehicle for preventing car door and tire from interfering |
| CN113997864A (en) * | 2021-12-06 | 2022-02-01 | 中南大学 | Automobile getting-off collision-prevention early warning and intervention system and method |
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| CN108725153A (en) * | 2017-04-20 | 2018-11-02 | 比亚迪股份有限公司 | Method, storage medium and the wheeled vehicle for preventing car door and tire from interfering |
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| CN113997864A (en) * | 2021-12-06 | 2022-02-01 | 中南大学 | Automobile getting-off collision-prevention early warning and intervention system and method |
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|---|---|
| CN103247143B (en) | 2016-06-29 |
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