CN103247143B - The alarm method of opening door of vehicle caution system and this caution system - Google Patents
The alarm method of opening door of vehicle caution system and this caution system Download PDFInfo
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- CN103247143B CN103247143B CN201310206131.0A CN201310206131A CN103247143B CN 103247143 B CN103247143 B CN 103247143B CN 201310206131 A CN201310206131 A CN 201310206131A CN 103247143 B CN103247143 B CN 103247143B
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Abstract
The present invention relates to a kind of opening door of vehicle caution system, including: information acquisition unit, for the information of mobile object in effective range after this car of detection in real time；Main control unit, for the information that real-time reception and process information acquisition unit detect；One-level alarm unit, when by contrasting, main control unit judges that now opening car door is likely to collide with outside mobile object, the one-level alarm signal that one-level alarm unit reception main control unit sends carries out one-level warning；Redundancy unit, when ignoring one-level alarm signal for car owner and continue to open car door, the secondary alarm signal that reception main control unit sends carries out secondary alarm, receives the control signal that main control unit sends simultaneously, produces an enabling reverse resistance, delay enabling speed.The present invention also provides the alarm method of a kind of above-mentioned caution system simultaneously.Present configuration is simple, and cost is low, it is possible to is effectively ensured car owner and opens the safety of car door during car door, it is adaptable to various vehicles, it is possible to report to the police when car door opening.
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 the alarm method of a kind of above-mentioned opening door of vehicle caution system.
Background technology
At present, in order to prevent car owner from colliding with exterior object when opening car door, existing vehicle is generally provided with enabling caution system, this enabling caution system can sense enabling signal in real time, and report to the police after sensing enabling signal, prompting car owner look around, if there is mobile object, and avoid colliding with this mobile object when door opening, thus ensureing the safety of vehicle and foreign object.
Although above-mentioned enabling caution system can play the effect of warning, but owing to its time of fire alarming does not limit (as long as car owner's hands touches door handle, warning system will start), therefore, when parking lot or other without report to the police, enabling caution system all can be reported to the police, and very easily makes car owner produce the emotion of agitation, conflict, cause that car owner ignores warning, make enabling caution system 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 when opening car door and outside mobile object really has risk of collision with this car car door, just car owner is carried out primary alarm prompting, but not open car door every time and all report to the police, make warning function more practical；And when car owner ignores this primary alarm time, it is possible to send second-level alarm, remind again, enabling resistance can be produced simultaneously, fully ensure that the safety of vehicle.
Another object of the present invention, is to provide the alarm method of a kind 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:
A kind of alarm method of opening door of vehicle caution system and this caution system, including:
Information acquisition unit, for the information of mobile object in detection this car effective range in real time；
Main control unit, for the information that real-time reception and process information acquisition unit detect, judge the relative velocity of mobile object in the coverage that information acquisition unit gathers by analyzing and processing, and the result obtained and self are stored it may happen that the relative velocity reference value collided is compared；
One-level alarm unit, when by contrasting, main control unit judges that now opening car door is likely to collide with outside mobile object, the one-level alarm signal that one-level alarm unit reception main control unit sends carries out one-level warning；
Redundancy unit, when ignoring one-level alarm signal for car owner and continue to open car door, the secondary alarm signal that reception main control unit sends carries out secondary alarm, receives the control signal that main control unit sends simultaneously, produces an enabling reverse resistance, delay enabling speed.
As the restriction to redundancy unit, it includes:
Scratching the induction mechanism of signal in door handle for sensing staff, described induction mechanism connects the induced signal input of main control unit；
Sending the secondary alarm mechanism of second-level alarm receive the signal of induction mechanism sensing for main control unit after, described secondary alarm mechanism connects the outfan of main control unit secondary alarm signal；
For producing the resistance generating mechanism of enabling reverse resistance, described resistance generating mechanism connects the control signal outfan of main control unit.
As to redundancy unit further define that described induction mechanism adopt inductance capacitance, described inductance capacitance is fixedly arranged in door handle, and its two ends are directly connected to main control unit by wire；Described resistance generating mechanism includes solenoid, and described solenoid is sleeved on outside the center pillar between vehicle Qianmen and back door, and its two ends connect the control signal outfan of main control unit.
Further restriction as to redundancy unit: described resistance generating mechanism also includes drag size governor motion, and described drag size governor motion is serially connected on the circuit that solenoid is connected with main control unit.
Restriction as to one-level alarm unit: it includes being carried out the first display lamp of warning instruction by luminescence, being carried out the first electrical switch of opening and closing under the control of main control unit, and described first display lamp and the first electrical switch are connected between power supply and ground.
Restriction as to secondary alarm mechanism: it includes being carried out the second display lamp of warning instruction by luminescence, being carried out the second electrical switch of opening and closing under the control of main control unit, and described second display lamp and the second electrical switch are serially connected between power supply and ground.
Present invention also offers the alarm method of above-mentioned opening door of vehicle caution system, comprise the following steps:
(1) infomation detection: information acquisition unit detects the information of outside vehicle mobile object in real time, and the information detected is real-time transmitted to main control unit；
(2) information judges: the information of the information acquisition unit collection received is analyzed processing by main control unit, obtain relative distance and the relative velocity of outside mobile object and this car, and the result obtained is compared with the relative distance reference value self stored and relative velocity reference value, the probability of the situation that now collides according to comparison result judgement；
(3) control is made: main control unit makes corresponding control according to the result judged.
Restriction as to said method: the judgement made in described step (two) includes:
(21) outside mobile object is outside effective acquisition range of information acquisition unit, or relative velocity less than the relative velocity reference value of main control unit storage inside time, main control unit judges that now opening car door will not collide；
(22) outside mobile object is in effective acquisition range of information acquisition unit, and relative velocity more than or equal to the relative velocity reference value of main control unit storage inside time, main control unit judges that now opening car door can collide.
As said method further defined that the control that in described step (three), main control unit is made includes:
(31) when the result that main control unit judges is as (21), main control unit will not be reported to the police, and system returns to step ()；
(32) when the result that main control unit judges is as (22), main control unit sends alarm signal.
Further restriction as to said method: the alarm signal that in described step (32), main control unit sends includes:
1. main control unit sends one-level alarm signal to one-level alarm unit, carries out primary alarm, if car owner no longer opens car door, and after risk of collision releasing, returns to step (), otherwise enters step 2.；
2. the induction mechanism of redundancy unit detects staff signal, and send main control unit to, main control unit controls to send secondary alarm signal to secondary alarm mechanism, carry out second-level alarm, main control unit sends control signal to resistance generating mechanism simultaneously, produces an enabling reverse resistance, delays enabling speed, after danger releases, return to step ().
Owing to have employed above technical scheme, the present invention can realize following technique effect:
(1) present invention is provided with one-level alarm unit and redundancy unit, when opening car door, information acquisition unit detects that now outside exists mobile object, and this mobile object is when being likely to collide with the car door opened, main control unit can control one-level alarm unit and carry out one-level warning, car owner is reminded now to open the door danger, if car owner continues to open car door, main control unit controls redundancy unit and sends secondary alarm signal, the resistance generating mechanism simultaneously controlling redundancy unit produces an enabling reverse resistance, delay enabling speed, after avoiding further now opening car door, car door collides with outside mobile object；
(2) induction mechanism of redundancy unit adopts inductance capacitance, and resistance generating mechanism adopts solenoid, simple in construction, and cost is low, and controls precisely；
(3) resistance generating mechanism of redundancy unit also includes governor motion, and for regulating the drag size that resistance generating mechanism produces, therefore, different car owners can adjust different drag sizes according to different situations；
(4) one-level alarm unit and secondary alarm mechanism all adopt display lamp and electrical switch series circuit, and electrical switch is all by the control of main control unit, and simple in construction, cost are low, and alarm is obvious.
In sum, present configuration is simple, and cost is low, it is possible to be effectively ensured the safety of car door when car owner opens car door.
The present invention is applicable to various vehicles, it is possible to report to the police when car door opening.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the embodiment of the present invention；
Fig. 2 is the schematic diagram of resistance generating mechanism 42 in the embodiment of the present invention；
Fig. 3 is the circuit theory diagrams of one-level alarm unit 3 and secondary alarm mechanism 42 in the embodiment of the present invention；
Fig. 4 is the alarm method flow chart of the embodiment of the present invention.
In figure: 1 main control unit, 2 information acquisition units, 3 one-level alarm units, 4 redundancy units, 41 induction mechanisms, 42 secondary alarm mechanisms, 43 resistance generating mechanisms, 5 car door center pillars, 6 solenoids, 7 car doors are unshakable in one's determination.
Detailed description of the invention
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 it is shown in figure 1, this opening door of vehicle caution system includes:
(1) information acquisition unit 2, for the information of mobile object in detection this car effective range in real time.The present embodiment adopt tailstock translocation arrange microwave radar as information acquisition unit 2, it can gather the mobile object within the scope of 50m, in addition to this it is possible to adopt doubling aid system or blind area detection system radar sensor as information acquisition unit 2.
(2) main control unit 1, for the information that real-time reception and process information acquisition unit 2 detect, judge the relative velocity of mobile object in the coverage that information acquisition unit 2 gathers by analyzing and processing, and the result obtained and self are stored it may happen that the relative velocity reference value collided is compared；
(3) one-level alarm unit 3, when by contrasting, main control unit 1 judges that now opening car door is likely to collide with outside mobile object, one-level alarm unit 3 receives the one-level alarm signal that main control unit 1 sends and carries out one-level warning.The one-level alarm unit 3 of the present embodiment includes carrying out, by luminescence, the first display lamp indicated of reporting to the police, the first electrical switch of opening and closing is carried out under the control of main control unit 1, as shown in Figure 3: the first display lamp adopts the first light emitting diode DW1, first electrical switch adopts the first audion Q1, the anode of described first Light-Emitting Diode DW1 connects power vd D, negative electrode connects the colelctor electrode of the first audion Q1 by the first resistance R1, the grounded emitter of the first audion Q1, and first audion Q1 base stage by the 3rd resistance R3 connect main control unit 1 one-level alarm signal output ends.After main control unit 1 sends one-level alarm signal, making the first audion Q1 conducting, the conducting of the first audion Q1 makes the first light emitting diode DW1 be also switched on luminescence, it is possible to carry out alarm.
(4) redundancy unit 4, when ignoring one-level alarm signal for car owner and continue to open car door, the secondary alarm signal that reception main control unit 1 sends carries out secondary alarm, receives the control signal that main control unit 1 sends simultaneously, produce an enabling reverse resistance, delay enabling speed.Include as shown in Figure 1:
Induction mechanism 41, signal in door handle is scratched for sensing staff, the present embodiment adopts inductance capacitance, the distance of its sensing is 5cm, when arranging, inductance capacitance is fixedly arranged in door handle, when needs open the door, staff is scratched into during to door handle, finger can contact or within the inductance capacitance 5cm time, the capacitance that can make inductance capacitance increases, and owing to the two ends of inductance capacitance are directly connected to the induced signal input of main control unit 1 by wire, namely main control unit 1 can sense the change of capacitance, therefore, it is possible to judge that now car owner has the intention continuing to open the door.
Secondary alarm mechanism 42, second-level alarm is sent receive the signal of induction mechanism 41 sensing for main control unit 1 after, the second display lamp indicated of reporting to the police is carried out including by luminescence, the second electrical switch of opening and closing is carried out under the control of main control unit 1, in the present embodiment as shown in Figure 3: adopt the second light emitting diode DW2, 3rd light emitting diode DW3, the lamp bank that 4th light emitting diode DW4 and the 5th light emitting diode DW5 is constituted is as the second display lamp, adopt the second audion Q3 as the second electrical switch, when arranging, by the second light emitting diode DW2, 3rd light emitting diode DW3, 4th light emitting diode DW4, 5th light emitting diode DW5 is located at vehicle tail, can be used to point out outside mobile object.When circuit connects, the anode of the second light emitting diode DW2 connects power vd D, the anode of negative electrode concatenation the 3rd light emitting diode DW3, the anode of negative electrode concatenation the 4th light emitting diode DW4 of the 3rd light emitting diode DW3, the anode of negative electrode concatenation the 5th light emitting diode DW5 of the 4th light emitting diode DW4, the negative electrode of the 5th light emitting diode DW5 connects the colelctor electrode of the second audion Q2 by the second resistance R2, the grounded emitter of the 3rd diode Q2, and second audion Q2 base stage by the 4th resistance R4 connect main control unit 1 secondary alarm signal output part, so after main control unit 1 sends primary alarm, if car owner continues to open car door, main control unit 1 will send secondary alarm signal and make the second audion Q2 conducting, and then make the second light emitting diode DW2, 3rd light emitting diode DW3, 4th light emitting diode DW4, the series circuit that 5th light emitting diode DW5 is constituted is luminous, prompting car owner now opens the door dangerous further.
Resistance generating mechanism 42, is used for producing enabling reverse resistance, while further prompting to open door is dangerous, slows down the speed of enabling, is further ensured that the safety of vehicle.Including as shown in Figure 3: solenoid 6 and governor motion, described solenoid 6 is sleeved on outside the center pillar 5 between vehicle Qianmen and back door, and its two ends connect the control signal outfan 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, the size of solenoid 6 both end voltage can be regulated, and then solenoid 6 can be regulated produce the size of electromagnetic force, namely regulate the size to car door 7 enabling reverse resistances unshakable in one's determination.
Additionally, described one-level alarm unit 3 and secondary alarm mechanism 42 are except with the first above-mentioned display lamp and the second display lamp, it is also possible to use buzzer of the prior art, constitute sound and light alarm；Or installing speech chip of the prior art, carry out audio alert, order is reported to the police more directly perceived.Equally, information acquisition unit 2 is except with above-mentioned microwave radar, it is also possible to using photographic head to carry out information gathering, and shown by display screen, its connected mode all can adopt the mode adopted in existing vehicle monitoring technology.
, opening door of vehicle caution system described in a kind of A alarm method
This alarm method relies on the opening door of vehicle caution system in A to realize.
With reference to Fig. 4, this alarm method comprises the following steps:
(1) infomation detection: information acquisition unit 2 detects the information of outside vehicle mobile object in real time, and the information detected is real-time transmitted to main control unit 1.
(2) information judges: the information that the information acquisition unit 2 received gathers is analyzed processing by main control unit 1, obtain relative distance and the relative velocity of outside mobile object and this car, and the result obtained is compared with the relative distance reference value self stored and relative velocity reference value, the probability of the situation that now collides according to comparison result judgement.
The judgement that above-mentioned main control unit 1 is made includes:
(21) outside mobile object is outside effective acquisition range of information acquisition unit 2, or relative velocity less than the relative velocity reference value of main control unit 1 storage inside time, main control unit 1 judges that now opening car door will not collide.Owing to adopting microwave radar in this example, the scope of detection is within 50m, therefore, directly the object within 50m is just detected in the present embodiment；And Velocity Reference value is set as 10km/s by the present embodiment main control unit 1, therefore when mobile object is beyond 50m, or the speed of mobile object within 10km/s time, main control unit 1 is made and is now opened the judgement that car door will not collide.
(22) outside mobile object is in effective acquisition range of information acquisition unit 2, and relative velocity more than or equal to the relative velocity reference value of main control unit 1 storage inside time, main control unit 1 judges that now opening car door can collide.According to the description above, within namely mobile object occurs in 50m, and when speed has reached 10km/s, main control unit 1 just can be made and now open the judgement that car door can collide.
(3) control is made: main control unit 1 makes corresponding control according to the result judged.
The control that above-mentioned main control unit 1 is made includes:
(31) when the result that main control unit 1 judges is as (21), main control unit 1 will not be reported to the police, and system returns to step ()；
(32) when the result that main control unit 1 judges is as (22), main control unit 1 sends alarm signal.
And the alarm signal that main control unit 1 sends includes:
1. main control unit 1 sends one-level alarm signal to one-level alarm unit 3, carries out primary alarm, if car owner no longer opens car door, and after risk of collision releasing, returns to step (), otherwise enters step 2.；
2. the induction mechanism 41 of redundancy unit 4, namely inductance capacitance detects staff signal, and send main control unit 1 to, main control unit 1 controls to send secondary alarm signal to secondary alarm mechanism 42, carry out second-level alarm, even the second display lamp after the tailstock is lighted and glimmers, warning rear mobile object slows down or dodges, main control unit 1 sends control signal to resistance generating mechanism 42 simultaneously, produces an enabling reverse resistance, delays enabling speed, after danger releases, second display lamp extinguishes, and solenoid is no longer energized, and returns to step ().
In order to control accurately, before step (), it is additionally provided with following steps:
Utilize the gear information of existing vehicle shift detection mechanism detection vehicle, and the information detected is real-time transmitted to main control unit 1, i.e. vehicle ECU, it is determined that vehicle is after neutral, the Vehicular door just provided in startup A opens caution system.
Claims (6)
1. an opening door of vehicle caution system, it is characterised in that it includes:
Information acquisition unit, for the information of mobile object in effective range after this car of detection in real time；
Main control unit, for the information that real-time reception and process information acquisition unit detect, judge the relative velocity of mobile object in the coverage that information acquisition unit gathers by analyzing and processing, and the result obtained and self are stored it may happen that the relative velocity reference value collided is compared；
One-level alarm unit, when by contrasting, main control unit judges that now opening car door is likely to collide with outside mobile object, the one-level alarm signal that one-level alarm unit reception main control unit sends carries out one-level warning；
Redundancy unit, when ignoring one-level alarm signal for car owner and continue to open car door, the secondary alarm signal that reception main control unit sends carries out secondary alarm, receives the control signal that main control unit sends simultaneously, produces an enabling reverse resistance, delay enabling speed；
Described redundancy unit includes:
Scratching the induction mechanism of signal in door handle for sensing staff, described induction mechanism connects the induced signal input of main control unit；
Sending the secondary alarm mechanism of second-level alarm receive the signal of induction mechanism sensing for main control unit after, described secondary alarm mechanism connects the outfan of main control unit secondary alarm signal；
For producing the resistance generating mechanism of enabling reverse resistance, described resistance generating mechanism connects the control signal outfan of main control unit, described resistance generating mechanism includes solenoid, described solenoid is sleeved on outside the center pillar between vehicle Qianmen and back door, and its two ends connect the control signal outfan of main control unit.
2. opening door of vehicle caution system according to claim 1, it is characterised in that: described induction mechanism adopts inductance capacitance, and described inductance capacitance is fixedly arranged in door handle, and its two ends are directly connected to main control unit by wire.
3. opening door of vehicle caution system according to claim 2, it is characterised in that: described resistance generating mechanism also includes drag size governor motion, and described drag size governor motion is serially connected on the circuit that solenoid is connected with main control unit.
4. opening door of vehicle caution system as described in any one in claims 1 to 3, it is characterized in that: described one-level alarm unit includes being carried out the first display lamp of warning instruction by luminescence, being carried out the first electrical switch of opening and closing under the control of main control unit, and described first display lamp and the first electrical switch are connected between power supply and ground.
5. opening door of vehicle caution system as claimed in any of claims 1 to 3, it is characterized in that: described secondary alarm mechanism includes being carried out the second display lamp of warning instruction by luminescence, being carried out the second electrical switch of opening and closing under the control of main control unit, and described second display lamp and the second electrical switch are serially connected between power supply and ground.
6. the alarm method of an opening door of vehicle caution system, it is characterised in that it comprises the following steps:
(1) infomation detection: information acquisition unit detects the information of outside vehicle mobile object in real time, and the information detected is real-time transmitted to main control unit；
(2) information judges: the information of the information acquisition unit collection received is analyzed processing by main control unit, obtain relative distance and the relative velocity of outside mobile object and this car, and the result obtained is compared with the relative distance reference value self stored and relative velocity reference value, the probability of the situation that now collides according to comparison result judgement, comprising:
(21) outside mobile object is outside effective acquisition range of information acquisition unit, or relative velocity less than the relative velocity reference value of main control unit storage inside time, main control unit judges that now opening car door will not collide；
(22) outside mobile object is in effective acquisition range of information acquisition unit, and relative velocity more than or equal to the relative velocity reference value of main control unit storage inside time, main control unit judges that now opening car door can collide；
(3) control is made: main control unit makes corresponding control according to the result judged, specifically includes:
(31) when the result that main control unit judges is as (21), main control unit will not be reported to the police, and system returns to step ()；
(32) when the result that main control unit judges is as (22), main control unit sends alarm signal, and the alarm signal that described main control unit sends includes:
1. main control unit sends one-level alarm signal to one-level alarm unit, carries out primary alarm, if car owner no longer opens car door, and after risk of collision releasing, returns to step (), otherwise enters step 2.；
2. the induction mechanism of redundancy unit detects staff signal, and send main control unit to, main control unit controls to send secondary alarm signal to secondary alarm mechanism, carry out second-level alarm, main control unit sends control signal to resistance generating mechanism simultaneously, produces an enabling reverse resistance, delays enabling speed, after danger releases, return 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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| CN103247143B true CN103247143B (en) | 2016-06-29 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102013218571A1 (en) * | 2013-09-17 | 2015-03-19 | Volkswagen Aktiengesellschaft | Device and method for lateral environment detection of a motor vehicle |
| CN107539211B (en) * | 2016-06-28 | 2021-01-22 | 盐城工学院 | Collision prevention safety device for automobile door opening |
| CN106143299B (en) * | 2016-07-21 | 2018-11-16 | 贵州吉利新能源汽车有限公司 | A kind of opening door of vehicle early warning auxiliary system |
| CN108725153B (en) * | 2017-04-20 | 2020-12-25 | 比亚迪股份有限公司 | Method for preventing interference between vehicle door and tire, storage medium, and wheeled 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 |
| CN113997864A (en) * | 2021-12-06 | 2022-02-01 | 中南大学 | Automobile getting-off collision-prevention early warning and intervention system and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007008194A (en) * | 2005-06-28 | 2007-01-18 | Nissan Motor Co Ltd | Occupant crash protection device, automobile, and occupant crash protection method |
| CN1996049A (en) * | 2006-10-18 | 2007-07-11 | 何华科技股份有限公司 | Collision prevention warning method and system for automobile and door thereof |
| CN101994429A (en) * | 2009-08-17 | 2011-03-30 | 徐克林 | Anti-collision method during opening vehicle door of vehicle |
| KR20120122170A (en) * | 2011-04-28 | 2012-11-07 | 한국과학기술원 | Prevention apparatus for the collision between a passenger and vehicle coming from backside for vehicles |
| CN202175010U (en) * | 2011-05-11 | 2012-03-28 | 黄万祥 | Warning and resisting device for door opening of car |
| TWI455839B (en) * | 2011-10-31 | 2014-10-11 | Hon Hai Prec Ind Co Ltd | Traffic accident avoiding system and method |
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