CN104875679A - Automobile door opening safety avoidance system and control method thereof - Google Patents
Automobile door opening safety avoidance system and control method thereof Download PDFInfo
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- CN104875679A CN104875679A CN201510292185.2A CN201510292185A CN104875679A CN 104875679 A CN104875679 A CN 104875679A CN 201510292185 A CN201510292185 A CN 201510292185A CN 104875679 A CN104875679 A CN 104875679A
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Abstract
The invention discloses an automobile door opening safety avoidance system. The automobile door opening safety avoidance system consists of a sensing mechanism, a control mechanism and an executing mechanism, wherein the sensing mechanism comprises a No. 1 infrared sensor, a No. 2 infrared sensor, a No. 1 SCA60C oblique speed sensor, a No. 2 SCA60C oblique speed sensor and a parking brake pull rod, wherein the No. 1 infrared sensor and the No. 2 infrared sensor are arranged in the center of an automobile steering wheel and behind a driver seat respectively; the No. 1 SCA60C oblique speed sensor and the No. 2 SCA60C oblique speed sensor are arranged on a left rear mirror bracket and a left rearview tail lamp of an automobile body; the executing mechanism comprises an explosion-flashing warning lamp, a buzzing warmer, a No. 1 electric control door locking switch and a No. 2 electric control door locking switch; both the explosion-flashing warning lamp and the buzzing warmer are arranged on the left side of an automobile dashboard; the No. 1 electric control door locking switch and the No. 2 electric control door locking switch are arranged in an automobile door internal circuit respectively. Meanwhile, the invention discloses a control method of the automobile door opening safety avoidance system.
Description
Technical field
The invention belongs to technical field of vehicle safety, relate to a kind of vehicle-mounted pre-warning system for monitoring, be specifically related to the safe avoidance system of a kind of opening vehicle door.
Background technology
The development of human civilization, be unable to do without the development of the vehicle, the especially development of auto-industry.But automobile, while facilitating us to go on a journey, can produce some traffic accidents in using, bring personal injury, bring economic loss to society.In some traffic accident, automobile is in roadside during interim parking, due to subjectivity carelessness and road-surface concrete design unreasonable, chaufeur or passenger slightly do not note opening car door just may cause car door opening and rear sail self-propelled vehicle or unpowered vehicle clash, cause injures and deaths.
Analyze by inquiry, the reason that the car door causing parking to be opened and automobile side back car clash mainly contains following several:
Automobile side back car speed, has little time reaction and judgement to the unexpected opening car door of front vehicles;
When motorist or rider's opening car door, look around not, unexpected opening car door causes the collision of sending a car with proceeds posterolateral;
The vision dead zone of automobile makes passengers inside the car fail fully to observe vehicle periphery situation.
In the self-propelled vehicle that this type of Frequent Accidents is born in motor bike class and unpowered vehicle driver, this type of vehicle is weak to personnel protection ability, and accident generation hourly velocity is fast, and therefore automobile side back car is vulnerable to comparatively major injury.
Cause secondary injury in accident generating process, automobile side back car is after being subject to arrangements for automotive doors interference, and unexpected lane change, has an impact to other track vehicles, thus cause more serious traffic accident.
Summary of the invention
In order to overcome the above problems, the invention provides the safe avoidance system of a set of complete actv. opening vehicle door, personal safety when self-propelled vehicle when it ensures automobile left side car door opening by automation electric-control system in hazardous location or the traffic safety of unpowered vehicle and passengers inside the car get off.
The object of the invention is to be achieved through the following technical solutions:
The safe avoidance system of a kind of opening vehicle door, be made up of sense mechanism, control mechanism, actuating unit, sense mechanism and actuating unit are connected with control mechanism circuit respectively; Described sense mechanism comprises an infrared pickoff, No. two infrared pickoffs, a SCA60C inclination tachogenerator, No. two SCA60C inclination tachogenerators, Parking Brake pull bars, an infrared pickoff and No. two infrared pickoffs are arranged on vehicle steering central authorities and driver's seat rear respectively, and a SCA60C inclination tachogenerator and No. two SCA60C inclination tachogenerators are installed on auto body left-hand mirror support and left back taillight place respectively; Actuating unit comprises quick-fried sudden strain of a muscle Warning light, buzzer warning device, a locked switch of electric controlled door and No. two locked switches of electric controlled door, quick-fried sudden strain of a muscle Warning light and buzzer warning device are all installed on the left of automobile instrument panel, a locked switch of electric controlled door and No. two locked switches of electric controlled door are installed in vehicle left front door and left back door car door internal circuit respectively, are parallel to car locking switch.
The described safe avoidance system of a kind of opening vehicle door, wherein, control mechanism is AT89C51 micro controller system.
The present invention provides the control method of the safe avoidance system of a kind of opening vehicle door simultaneously, comprises the following steps:
Step one, parked state judge: detect this car speed of a motor vehicle, and if this car speed of a motor vehicle is zero, Parking Brake pull bar is in lifting status simultaneously, then judge that this vehicle is in parked state, enter step 2;
Step 2, occupant judge: whether have chaufeur or player No.5 side passenger in an infrared pickoff and No. two infrared pickoff probe vehicles, enter step 3;
In step 3, hazardous location, mobile object judges: whether have mobile object in a SCA60C inclination tachogenerator and No. two outer hazardous locations of SCA60C inclination tachogenerator detection parking vehicle body, mobile object is had as detected in hazardous location, then control mechanism controls actuating unit unlatching, buzzer warning device and quick-fried sudden strain of a muscle Warning light send audible and visible alarm signal, the locked switch of electric controlled door closes, car door is locked, enters step 4;
Step 4, secondary judge: whether a SCA60C inclination tachogenerator and No. two SCA60C inclination tachogenerators again detect the target mobile object that above-mentioned steps three detects and be still in hazardous location, as target mobile object is still in hazardous location, then enter step 5, as target mobile object leaves hazardous location, then enter step 7;
Step 5, object residence time judge: whether the accumulated time be trapped in hazardous location of target mobile object described in determining step four exceedes default maximum running time, as the target mobile object residence time does not exceed default maximum running time, then return step 4, as the target mobile object residence time exceedes default maximum running time, then enter step 6;
Step 6, alarm state exit door unlock: control mechanism controls actuating unit, make buzzer warning device, quick-fried sudden strain of a muscle Warning light continue to open, the locked switch open of electric controlled door simultaneously, door unlock.
Step 7, actuating unit are closed: control mechanism controls actuating unit and closes, and buzzer warning device, quick-fried sudden strain of a muscle Warning light are closed, the locked switch open of electric controlled door, door unlock.
The control method of the described safe avoidance system of a kind of opening vehicle door, wherein, the scope of the outer hazardous location of parking vehicle body is:
Long P=(the D+D of hazardous location
a+ D
b) * 1.2,
Wherein, D
afor A post and B intercolumnar distance, unit m; D
bfor B post and C intercolumnar distance; Unit m; D is the active braking distance under critical condition, unit m, D=D
1+ D
2+ D
3, D
1for the distance that chaufeur brake response time travels, D
2for the distance that the brake system reaction time travels, D
3for theoretical braking distance;
The wide Q=of hazardous location (car door width+proceeds posterolateral send a car maximum handlebar width × 1/2) × 1.2, unit m.
Accompanying drawing explanation
Fig. 1 is the installation site schematic diagram of the safe avoidance system of opening vehicle door of the present invention in car.
Fig. 2 is two groups of SCA60C inclination tachogenerator position views that the safe avoidance system of opening vehicle door of the present invention is installed onboard.
Fig. 3 is the hazardous location schematic diagram that two groups of SCA60C inclination tachogenerators that the safe avoidance system of opening vehicle door of the present invention is installed onboard detect.
Fig. 4 is the structural principle block diagram of the safe avoidance system of opening vehicle door of the present invention.
Fig. 5 is the workflow diagram of the safe avoidance system of opening vehicle door of the present invention.
Fig. 6 is the control mechanism workflow diagram of the safe avoidance system of opening vehicle door of the present invention.
In figure:
1-infrared pickoff; 2-Parking Brake pull bar; The quick-fried sudden strain of a muscle Warning light of 3-; 4-buzzer warning device; 5-locked switch of electric controlled door; 6-No. bis-infrared pickoffs; 7-No. bis-locked switches of electric controlled door; 8-SCA60C inclination tachogenerator; 9-No. bis-SCA60C inclination tachogenerators.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is explained in detail:
The invention provides the safe avoidance system of a kind of opening vehicle door.
As shown in Figure 4, the safe avoidance system of a kind of opening vehicle door, form primarily of sense mechanism, control mechanism, actuating unit three part, sense mechanism and actuating unit are connected with control mechanism circuit respectively.
As shown in Figure 1 and Figure 2, sense mechanism comprises an infrared pickoff 1, No. two infrared pickoffs 6, SCA60C inclination tachogenerator 8, No. two SCA60C inclination tachogenerators 9, Parking Brake pull bars 2.It is zero that Parking Brake pull bar 2 pull-up represents current car speed, and it is the start signal of system.An infrared pickoff 1 and No. two infrared pickoffs 6 are arranged on vehicle steering central authorities and driver's seat rear respectively, whether be in car for perception chaufeur or player No.5 side passenger, a SCA60C inclination tachogenerator 8 and No. two SCA60C inclination tachogenerators 9 are installed on auto body left-hand mirror support and left back taillight place respectively, whether are in hazardous location for the self-propelled vehicle and unpowered vehicle sensing parking outside vehicle.
Actuating unit comprises quick-fried sudden strain of a muscle Warning light 3, buzzer warning device 4, locked switch of electric controlled door 5 and No. two locked switches 7 of electric controlled door.Quick-fried sudden strain of a muscle Warning light 3 and buzzer warning device 4 are all installed on the left of automobile instrument panel, for having other vehicles in chaufeur in alarm car and the outside hazardous location of this car of passenger; A locked switch of electric controlled door 5 and No. two locked switches 7 of electric controlled door are installed in vehicle left front door and left back door car door internal circuit respectively, are parallel to car locking switch, for controlling closing of the door and unlatching.When a SCA60C inclination tachogenerator and No. two SCA60C inclination tachogenerators sense the mobile object in risk range, the while that in actuating unit, the locked switch opens of electric controlled door making car door latch, quick-fried sudden strain of a muscle Warning light sends warning optical signal, signal sounded a buzzer by buzzer warning device, and in common alarm car, chaufeur and passenger now can not open the door and get off.After the outer self-propelled vehicle of parking and unpowered vehicle sail out of hazardous location, actuating unit is closed, and left side car door can normally be opened.
Control mechanism is AT89C51 micro controller system, and above each parts are all connected with micro controller system by circuit.The car outer hazardous location signal of the parking signal that the cab signal that infrared pickoff monitors by sense mechanism, Parking Brake pull bar send and the collection of SCA60C inclination tachogenerator is all sent to micro controller system, control signal is generated after micro controller system processes to the received signal, control signal is sent to actuating unit, respectively buzzer warning device, quick-fried sudden strain of a muscle Warning light and the locked switch of electric controlled door is controlled.
As shown in Figure 2, be installed on a SCA60C inclination tachogenerator of auto body left-hand mirror support and whether No. two SCA60C inclination tachogenerators at left back taillight place are in outside vehicle hazardous location for sensing from parking vehicle left side rear near the self-propelled vehicle of automobile or unpowered vehicle, sending a car when proceeds posterolateral enters in hazardous location, control mechanism controls actuating unit in car and opens, when a SCA60C inclination tachogenerator and No. two SCA60C inclination tachogenerators sense the outer self-propelled vehicle of automobile and other mobile object leaves hazardous location, control mechanism controls actuating unit in car and closes, chaufeur and player No.5 side passenger can normal opening car doors.
As shown in Figure 3, the angle of coverage of preset No. one, No. two SCA60C inclination tachogenerators and length are to detect total danger zone.In the present embodiment, in figure, data all calculate hazardous location with Beijing modern SUV ix35 vehicle: the long A=4.42m of parking vehicle body, overall width B=2.162m, D
a=1m, D
b=0.98m, D
c=1.02m.For left front door danger range S
a=(D+D
a+ D
b) * 1.2=17.76m; The handlebar length of motor bike or bicycle is between 0.7m ~ 1.2m, and 0.6m is that proceeds posterolateral is sent a car the half of maximum lateral width and maximum motor bike or bicycle handle bar's length; Car door is long is M=1.2m, and get safety factor k=1.2, P is the length of hazardous location is S
a=17.76m, Q are the wide of hazardous location is (M+1.2*1/2) * 1.2=2.16m.
The process of definition sense mechanism investigative range is as follows:
D is the active braking distance under critical condition, namely back car from braking when the speed of a motor vehicle is 0, be just positioned at C post horizon time, namely other self-propelled vehicle or unpowered vehicle and arrangements for automotive doors do not collide the operating range under condition just.D=D
1+ D
2+ D
3, D
1: the distance that chaufeur brake response time travels, D
2: the distance that the brake system reaction time travels, D
3: theoretical braking distance.D
a: A post and B intercolumnar distance; D
b: B post and C intercolumnar distance; D
c: C post is to the distance of the tailstock.Get safety factor k=1.2, for the SCA60C inclination tachogenerator be loaded on left-hand mirror support, its safe detection range is S
a=(D+D
a+ D
b) * 1.2; For No. two SCA60C inclination tachogenerators being loaded on left back taillight place, its safe detection range is S
b=(D-D
c) * 1.2.
The model of the present embodiment determination theoretical D is as follows:
V: parking vehicle other self-propelled vehicle outer or the initial speed of a motor vehicle of unpowered vehicle;
Δ t: the reaction time of the self-propelled vehicle outside parking vehicle or unpowered vehicle driver and brake system in-service time sum, be generally 0.43s ~ 0.63s, get 0.63s herein;
D: the operating range that parking vehicle other self-propelled vehicle outer or unpowered vehicle and arrangements for automotive doors do not collide just, its computation process is by bipartition:
1. course of reaction: the outer self-propelled vehicle of parking vehicle and unpowered vehicle driver reaction time and brake system in-service time sum are Δ t, and in this period, postulated mechanism motor vehicle or unpowered vehicle continue the traveling that remains a constant speed, then its operating range is v Δ t.
2. moderating process: after the reaction time, power actuated vehicle in movement or unpowered vehicle driver can make two kinds of workarounds: 1. brake the 2. braking deceleration that detours, generally, the braking deceleration time of moving vehicle is greater than brake and detours the time, therefore the appropriate to the occasion employing higher value of square danger range after computation, namely adopts stopping distance C.
To sum up two processes, set up operating range math modeling as follows:
D＝vΔt+C
In conjunction with the regulation about braking force in " bicycle safe requirement " (GB3565-2005) and " motor bike and trail bike braking ability test method " (GB 20073-2006) that China promulgates, the motor bike that China's road travels and unpowered vehicle carry out maximum stopping distance measured in braking ability test in the test method that establishing criteria specifies, in conjunction with above-mentioned model, according to the braking of the highest design speed, unpowered vehicle and motor bike, the stopping distance of trail bike and danger range can be obtained and require to see the following form respectively:
The stopping distance of table 1 unpowered vehicle and danger range computation chart
The stopping distance of table 2 motor bike, trail bike and danger range computation chart
According to required danger range, calculate the hazardous location that SCA60C inclination tachogenerator needs detection.For cover likely near the self-propelled vehicle of parking and the wheelpath of unpowered vehicle, get D
a=1m, D
b=0.98m, D
c=1.02m, and get safety factor 1.2, obtain the long P=S of hazardous location
a=(D+D
a+ D
b) × 1.2=(12.16+1+0.98+1.02) × 1.2=17.76m.Through inspection information, the handlebar width of motor bike or bicycle is between 0.7m ~ 1.2m, and the path of motion of First Point, axis of proceeds posterolateral being sent a car to be sent a car driving trace as proceeds posterolateral, therefore to send a car the width Q of maximum handlebar width 1.2 × 1/2 as hazardous location using car door width+proceeds posterolateral, parking car door length gets 1.2m, and to get safety factor be 1.2, obtain the long 17.76m in hazardous location, wide is the rectangle of (car door width+1.2 × 1/2) × 1.2=2.16m.
To sum up, be loaded on automobile left-hand mirror, the SCA60C inclination tachogenerator detection attribute maximum probe subtended angle at left back taillight place is 180 °.For cover total danger zone, left-hand mirror place sensor detection subtended angle be set to 90 °, left back taillight place sensor detection subtended angle be set to 90 °.
The relation of definition SCA60C sensor safe alarm distance L and corresponding detection angle α:
The security alarm distance of the SCA60C inclination tachogenerator in left-hand mirror frame place is L=0 ~ L
a,
Wherein, S
afor being loaded on the safe detection range of a left-hand mirror support SCA60C inclination tachogenerator, Q is hazardous location width;
The security alarm distance of No. two SCA60C inclination tachogenerators in left back taillight place is L=0 ~ L
b,
Wherein, S
bfor being loaded on the safe detection range of No. two SCA60C inclination tachogenerators in left back taillight place, Q is hazardous location width.
Due to the restriction of lane width and self-propelled vehicle and unpowered vehicle steerman driving habits, proceeds posterolateral sends a car the driving trace that enters hazardous location and curb angle can not be excessive, the error therefore do not considered to send a car proceeds posterolateral driving trace causes.
Send a car for preventing proceeds posterolateral and travel with pole slow train speed or be anchored in hazardous location, so that occupant normally can not open left side car door when proceeds posterolateral is sent a car and ensured safety, therefore arrange that actuating unit is the longest holds time.Sending a car when proceeds posterolateral enters in hazardous location, and micro controller system starts timing and T '=0; Get proceeds posterolateral to send a car accessible most jogging speed 5km/h (5km/h is herein pedestrian's leg speed), calculate
when proceeds posterolateral send a car time of stopping in hazardous location exceed the longest hold time namely 12.79s time, carry out secondary judgement, buzzer warning device in car and quick-fried sudden strain of a muscle Warning light normally work, and left side car door can normally be opened, opening car door after allowing occupant to observe when being alerted warning.
As shown in Figure 5, Figure 6, the control method of the safe avoidance system of a kind of opening vehicle door of the present invention, comprises the following steps:
Step one, parked state judge: detect this car speed of a motor vehicle, and if this car speed of a motor vehicle is zero, Parking Brake pull bar is in lifting status simultaneously, then judge that this vehicle is in parked state, enter step 2;
Step 2, occupant judge: whether have chaufeur or player No.5 side passenger in an infrared pickoff and No. two infrared pickoff probe vehicles, as an infrared pickoff and No. two infrared pickoffs detect chaufeur or player No.5 side passenger in car, then decision-making system is opened, and enters step 3;
In step 3, hazardous location, mobile object judges: whether have mobile object in a SCA60C inclination tachogenerator and No. two outer hazardous locations of SCA60C inclination tachogenerator detection parking vehicle body, mobile object is had as detected in hazardous location, then control mechanism controls actuating unit unlatching, buzzer warning device and quick-fried sudden strain of a muscle Warning light send audible and visible alarm signal, the locked switch of electric controlled door closes, car door is locked, enters step 4;
Step 4, secondary judge: whether a SCA60C inclination tachogenerator and No. two SCA60C inclination tachogenerators again detect the target mobile object that above-mentioned steps three detects and be still in hazardous location, as target mobile object is still in hazardous location, then enter step 5, as target mobile object leaves hazardous location, then enter step 7;
Step 5, object residence time judge: whether the accumulated time be trapped in hazardous location of target mobile object described in determining step four exceedes default maximum running time, as the target mobile object residence time does not exceed default maximum running time, then return step 4, as the target mobile object residence time exceedes default maximum running time, then enter step 6;
Step 6, alarm state exit door unlock: control mechanism controls actuating unit, make buzzer warning device, quick-fried sudden strain of a muscle Warning light continue to open, the locked switch open of electric controlled door simultaneously, door unlock.
Step 7, actuating unit are closed: control mechanism controls actuating unit and closes, and buzzer warning device, quick-fried sudden strain of a muscle Warning light are closed, the locked switch open of electric controlled door, door unlock.
The principle of work of the safe avoidance system of opening vehicle door of the present invention is:
Automobile at side-parking, when automobile speed be zero i.e. Parking Brake pull bar pull-up, put infrared pickoff experience chaufeur or rear row passenger time, system starts.A SCA60C inclination tachogenerator and No. two SCA60C inclination tachogenerators detect in hazardous location whether have mobile object, and electric signal is passed to micro controller system.When having detected that mobile object drives into hazardous location, Single-chip Controlling buzzer warning device and quick-fried sudden strain of a muscle Warning light remind occupant must not opening car door, car door on the left of the locked parking of the locked switch open of electric controlled door simultaneously, when a SCA60C inclination tachogenerator and No. two SCA60C inclination tachogenerators sense hazardous location there is no a mobile object time, actuating unit is closed, and occupant normally can open left side car door.When the time that proceeds posterolateral is sent a car in hazardous location exceed the longest hold time namely 12.79s time (as travelled with pole slow train speed or be anchored in hazardous location), carry out secondary judgement, buzzer warning device in car and quick-fried sudden strain of a muscle Warning light normally work, and left side car door can normally be opened, opening car door after allowing occupant to observe when being alerted warning.
For making native system more comprehensively, can be according to demand in the later stage, polytypic product is set, namely multiple spot is installed and is controlled, range of control is expanded to bilateral four doors from preliminary two, left side door, thus to be opened the door the accident caused by strick precaution chaufeur further, extend to the accident that in car that strick precaution comprises chaufeur, all passengers may cause.
Make multiple change according to the object of the invention, change, the modification made under all Spirit Essences according to technical solution of the present invention and principle, substitute, combination, to simplify, all should be the substitute mode of equivalence, all belong to protection scope of the present invention.
Claims (4)
1. the safe avoidance system of opening vehicle door, is characterized in that, is made up of sense mechanism, control mechanism, actuating unit, and sense mechanism and actuating unit are connected with control mechanism circuit respectively; Described sense mechanism comprises an infrared pickoff, No. two infrared pickoffs, a SCA60C inclination tachogenerator, No. two SCA60C inclination tachogenerators, Parking Brake pull bars, an infrared pickoff and No. two infrared pickoffs are arranged on vehicle steering central authorities and driver's seat rear respectively, and a SCA60C inclination tachogenerator and No. two SCA60C inclination tachogenerators are installed on auto body left-hand mirror support and left back taillight place respectively; Actuating unit comprises quick-fried sudden strain of a muscle Warning light, buzzer warning device, a locked switch of electric controlled door and No. two locked switches of electric controlled door, quick-fried sudden strain of a muscle Warning light and buzzer warning device are all installed on the left of automobile instrument panel, a locked switch of electric controlled door and No. two locked switches of electric controlled door are installed in vehicle left front door and left back door car door internal circuit respectively, are parallel to car locking switch.
2. according to the safe avoidance system of a kind of opening vehicle door according to claim 1, it is characterized in that, described control mechanism is AT89C51 micro controller system.
3., according to the control method of the safe avoidance system of a kind of opening vehicle door according to claim 1, it is characterized in that, comprise the following steps:
Step one, parked state judge: detect this car speed of a motor vehicle, and if this car speed of a motor vehicle is zero, Parking Brake pull bar is in lifting status simultaneously, then judge that this vehicle is in parked state, enter step 2;
Step 2, occupant judge: whether have chaufeur or player No.5 side passenger in an infrared pickoff and No. two infrared pickoff probe vehicles, enter step 3;
In step 3, hazardous location, mobile object judges: whether have mobile object in a SCA60C inclination tachogenerator and No. two outer hazardous locations of SCA60C inclination tachogenerator detection parking vehicle body, mobile object is had as detected in hazardous location, then control mechanism controls actuating unit unlatching, buzzer warning device and quick-fried sudden strain of a muscle Warning light send audible and visible alarm signal, the locked switch of electric controlled door closes, car door is locked, enters step 4;
Step 4, secondary judge: whether a SCA60C inclination tachogenerator and No. two SCA60C inclination tachogenerators again detect the target mobile object that above-mentioned steps three detects and be still in hazardous location, as target mobile object is still in hazardous location, then enter step 5, as target mobile object leaves hazardous location, then enter step 7;
Step 5, object residence time judge: whether the accumulated time be trapped in hazardous location of target mobile object described in determining step four exceedes default maximum running time, as the target mobile object residence time does not exceed default maximum running time, then return step 4, as the target mobile object residence time exceedes default maximum running time, then enter step 6;
Step 6, alarm state exit door unlock: control mechanism controls actuating unit, make buzzer warning device, quick-fried sudden strain of a muscle Warning light continue to open, the locked switch open of electric controlled door simultaneously, door unlock;
Step 7, actuating unit are closed: control mechanism controls actuating unit and closes, and buzzer warning device, quick-fried sudden strain of a muscle Warning light are closed, the locked switch open of electric controlled door, door unlock.
4. according to the control method of the safe avoidance system of a kind of opening vehicle door according to claim 3, it is characterized in that, the scope of the outer hazardous location of described parking vehicle body is:
Long P=(the D+D of hazardous location
a+ D
b) * 1.2,
Wherein, D
afor A post and B intercolumnar distance, unit m; D
bfor B post and C intercolumnar distance; Unit m; D is the active braking distance under critical condition, unit m, D=D
1+ D
2+ D
3, D
1for the distance that chaufeur brake response time travels, D
2for the distance that the brake system reaction time travels, D
3for theoretical braking distance;
The wide Q=of hazardous location (car door width+proceeds posterolateral send a car maximum handlebar width × 1/2) × 1.2, unit m.
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| CN105774778A (en) * | 2016-03-06 | 2016-07-20 | 王涛 | Photovoltaic transformer substation grounding system |
| CN105774778B (en) * | 2016-03-06 | 2018-01-23 | 天津中环新能源有限公司 | A kind of photovoltaic System in Substation |
| CN106958390A (en) * | 2017-04-25 | 2017-07-18 | 吴正管 | A kind of car door opening control system and method tested the speed based on ultrasonic wave |
| CN107472129A (en) * | 2017-07-24 | 2017-12-15 | 吉利汽车研究院（宁波）有限公司 | A kind of opening door of vehicle early warning system and control method |
| CN109866714A (en) * | 2018-04-27 | 2019-06-11 | 通用汽车环球科技运作有限责任公司 | In order to avoid entering the car door opening inhibitor in the traffic to come head-on |
| CN111038374A (en) * | 2018-10-11 | 2020-04-21 | 安波福电子(苏州)有限公司 | Vehicle safety system |
| CN110356321A (en) * | 2019-07-19 | 2019-10-22 | 重庆长安汽车股份有限公司 | A kind of opening vehicle door process emergency stop control method and system |
| TWI738414B (en) * | 2020-07-08 | 2021-09-01 | 陳立明 | Vehicle with safe door opening device |
| CN112248933A (en) * | 2020-10-28 | 2021-01-22 | 上海博泰悦臻电子设备制造有限公司 | Control method and device for preventing collision of vehicle door and computer storage medium |
| CN114135172A (en) * | 2021-11-30 | 2022-03-04 | 石佳川 | Device and method for preventing vehicle door collision and vehicle |
| CN115450502A (en) * | 2022-09-30 | 2022-12-09 | 三一汽车起重机械有限公司 | Vehicle door control method, device, equipment, storage medium and work vehicle |
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