CN105882585A - Child safety monitoring method for vehicles - Google Patents

Child safety monitoring method for vehicles Download PDF

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Publication number
CN105882585A
CN105882585A CN201610348624.1A CN201610348624A CN105882585A CN 105882585 A CN105882585 A CN 105882585A CN 201610348624 A CN201610348624 A CN 201610348624A CN 105882585 A CN105882585 A CN 105882585A
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CN
China
Prior art keywords
vehicle
detection
seat
monitoring
children
Prior art date
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Granted
Application number
CN201610348624.1A
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Chinese (zh)
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CN105882585B (en
Inventor
习波波
栾朋
赵凯龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
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Priority to CN201610348624.1A priority Critical patent/CN105882585B/en
Publication of CN105882585A publication Critical patent/CN105882585A/en
Application granted granted Critical
Publication of CN105882585B publication Critical patent/CN105882585B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512Passenger detection systems
    • B60R21/01544Passenger detection systems detecting seat belt parameters, e.g. length, tension or height-adjustment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00Arrangements or adaptations of signal devices not provided for in one of the preceding main groups, e.g. haptic signalling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512Passenger detection systems
    • B60R21/01516Passenger detection systems using force or pressure sensing means
    • B60R21/0152Passenger detection systems using force or pressure sensing means using strain gauges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512Passenger detection systems
    • B60R21/0153Passenger detection systems using field detection presence sensors
    • B60R21/01534Passenger detection systems using field detection presence sensors using electromagneticwaves, e.g. infrared

Abstract

The invention provides a child safety monitoring system for vehicles, and relates to the technical field of vehicle safety. According to the child safety monitoring system, a vehicle state detection device detects the state of a vehicle and feeds the state of the vehicle back to a vehicle monitoring controller; the vehicle monitoring controller receives detection data returned by the vehicle state detection device, sends control commands to an execution unit according to the detection data, and controls the execution unit to work. The vehicle state detection device comprises a safety belt insertion detection device and a weighing sensor; the safety insertion detection device is used for detecting and judging insertion condition of a safety belt; the weighing sensor is arranged on the lower side of an inner seat of the vehicle and used for detecting seat weight; the vehicle monitoring controller controls the execution unit to work after judging the state of a passenger in the vehicle. By the child safety monitoring system, parents or a passerby can be reminded to notice a locked and forgotten child in the vehicle; system structure is simple, reliability is high, and invested cost is low.

Description

Children's safety for vehicle monitors method
Technical field
The present invention relates to technical field of vehicle safety, particularly relate to a kind of children's safety for vehicle and monitor Method.
Background technology
The main tool that vehicle is gone on a journey now as people, safety has been raised first, and people are for row Car is made that safely a lot of improvement, but have ignored safety in the car after parking the most to a certain extent, Such as, have a rest in the occupant's car a few days ago occurred cause suffocating even death be exactly after typical parking safety ask Topic.
Further, modern is busy, task is many, rhythm of life is fast, forgetful has become a kind of normality.Zeng You Report baby is sleeping in car, and result driver and crew get off and forgotten to be forgotten, and result is because of overlong time, baby Youngster occurs the situations such as dehydration, anoxia in airtight car, ultimately results in the generation of tragedy.Reflecting on oneself as people During the responsibility of father and mother or driver and crew, then should improve vehicle functions as vehicular manufacturer, increase in vehicle Portion's security monitoring, improves the vehicle safety performance after parking, evades this type of risk.
In view of this, the invention provides a kind of children's safety for vehicle and monitor method to overcome or to the greatest extent may be used It is avoided that the generation of the problems referred to above.
Summary of the invention
It is an object of the present invention to provide a kind of children's safety for vehicle to monitor method, it is possible to car After locking, the situation in child's indwelling car detects automatically, and is capable of alarm and reminds, and improves vehicle Safety.
Especially, the invention provides a kind of children's safety monitoring system for vehicle, including:
Vehicle condition detection device, is used for detecting vehicle-state and feeding back;With
Vehicle monitoring controller, receives the detection data that described vehicle state monitoring device is returned, and according to Described detection data send control instruction to performance element, control the work of described performance element;
Wherein, described vehicle condition detection device includes that seat belt inserts detection device and LOAD CELLS, institute State seat belt insert detection device for detecting the insertion situation judging seat belt, described LOAD CELLS is located at Under-seat in vehicle, is used for detecting seat-weight, and described vehicle monitoring controller is taken advantage of in judging to draw car The work of described performance element is controlled after member's state.
Further, described seat belt inserts detection device and is located at the seat belt that child safety seat is other, After closing of the door as described in detect child safety seat as described in seat belt be in insert state, the most described car Supervisory control device controls described performance element signal an alert.
Further, in described vehicle monitoring controller, be configured with seat-weight threshold value, if described in weigh biography The described seat-weight that sensor detects is the most described vehicle monitoring controller control in described seat-weight threshold value Make described performance element signal an alert.
Further, described LOAD CELLS starts after the detection of described seat belt insertion detection device terminates Work, after closing of the door described seat belt insert detection device detect as described in the institute of child safety seat State seat belt and be in the state of being not inserted into, restart described LOAD CELLS and be operated.
Further, described vehicle condition detection device includes passive infrared detector, and described passive infrared is visited Survey device and be used for detecting infra-red radiation state in car, and the detection signal of described infra-red radiation state is sent to institute State vehicle monitoring controller as the foundation whether having child in judging car.
Further, in described vehicle monitoring controller judges described car, infra-red radiation state is human body temperature Time, compare the difference of environment inside car temperature and human body temperature, as changing value between the two is more than 5 DEG C, then Described vehicle monitoring controller controls described performance element and works and report to the police.
Further, described passive infrared detector is located at vehicle interior, is arranged on roof centre position.
Further, the detection wavelength of described passive infrared detector is that 9.5 μm are to 10.5 μm.
Further, vehicle blocking device, described vehicle condition detection device and described vehicle monitoring are also included Controller is activated after described vehicle blocking device completes locking work.
Further, described performance element include window lifting controller, car light controller, horn controller, One or more in vehicle-mounted calling system.
The children's safety monitoring system of the present invention, for vehicle, arranges safely in conjunction with child's sign and conventional child Execute, detect by seat belt is inserted situation and seat-weight distribution situation, it is possible to more convenient quickly Ground realizes judging children in vehicles's indwelling situation, then makes child by the report in car locking by performance element Alert action, by reminding the head of a family or passerby to have, in noting car, the child pinning and forgeing, to avoid because the head of a family dredges Neglect general idea, cause child to be occurred by the tragedy in car locking, and native system simple in construction, reliability is high, and throws Enter cost relatively low.
Further, the passive infrared detector of the present invention in detecting car can be according to human body physical sign temperature No existence meets the material object of human body physical sign temperature, thus determines whether to distinguish the weight of other similar child weight Thing, and then ensure the correctness of described children's safety monitoring system.
Further, vehicle condition detection device and the vehicle monitoring controller of the present invention is after vehicle locking Just can be activated, therefore, it is possible to avoid false alarm.
According to below in conjunction with the accompanying drawing detailed description to the specific embodiment of the invention, those skilled in the art will More understand the above-mentioned of the present invention and other purposes, advantage and feature.
Accompanying drawing explanation
Some describing the present invention the most by way of example, and not by way of limitation in detail are concrete Embodiment.Reference identical in accompanying drawing denotes same or similar parts or part.Art technology Personnel are it should be understood that what these accompanying drawings were not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the structured flowchart of children's safety monitoring system according to an embodiment of the invention;
Fig. 2 is the workflow diagram of children's safety monitoring system according to an embodiment of the invention.
Detailed description of the invention
Fig. 1 is the structured flowchart of the children's safety monitoring system according to the present embodiment.As it is shown in figure 1, this reality Execute the children's safety monitoring system for vehicle described by example, it may include:
Vehicle condition detection device 1, is used for detecting vehicle-state and feeding back;With
Vehicle monitoring controller 2, receives the detection data that described vehicle state monitoring device is returned, and root Send control instruction to performance element 3 according to described detection data, control described performance element 3 and work.
In the present embodiment, described vehicle condition detection device 1 includes that seat belt inserts detection device 4 and weighs Sensor 5, described seat belt inserts detection device 4 and is used for detecting the insertion situation judging seat belt, described LOAD CELLS 5 is located at under-seat in vehicle, is used for detecting seat-weight, described vehicle monitoring controller 2 work controlling described performance element 3 after judging to draw passenger's state.
The present invention is examined by the insertion situation of the seat belt other to seat belt especially child safety seat Survey, thus if not being pulled out according to the bracelet of seat belt, i.e. judge that child does not gets off.It addition, always according to seat Child's indwelling situation is added their confirmation by the weight of chair.The simple in construction of the present embodiment, practical, it is possible to significantly to drop Low child is retained in the possibility in car.
Further, described seat belt inserts detection device 4 and is located at the seat belt that child safety seat is other, After closing of the door as described in detect child safety seat as described in seat belt be in insert state, then described Vehicle monitoring controller 2 controls described performance element 3 signal an alert.Certainly every on back court position Described seat belt is all set at individual seat belt and inserts detection device 4, the most safe and reliable, but in view of cost And wrong report problem, described seat belt is set at the seat belt that child safety seat is other and inserts detection device 4 then Seem more particularly suitable.
It addition, be configured with seat-weight threshold value in described vehicle monitoring controller 2, if described weighing and sensing The described seat-weight that device 5 detects the most described vehicle monitoring controller 2 in described seat-weight threshold value is controlled Make described performance element 3 signal an alert.
By arranging described seat-weight threshold value, it is possible to the seat-weight detected is entered with child's weight range Row compares, to confirm to be retained in whether as child in car, thus while ensure that security monitoring, Reduce false alarm rate.
It is to there is precedence relationship that described LOAD CELLS 5 and described seat belt insert the work of detection device 4 , on the one hand so design is to reduce system power dissipation, is on the other hand also devise alarm condition excellent First level, improves warning promptness and the reliability of children's safety monitoring system.Described LOAD CELLS 5 is in institute State seat belt insert detection device 4 detection terminate after start work, such as described seat belt after closing of the door Insert detection device 4 and detect that the described seat belt of described child safety seat is in the state of being not inserted into, then open Dynamic described LOAD CELLS 5 is operated.
In order to improve the functional reliability of the present embodiment further, always according to child's body temperature characteristic Design Sensing device.Specifically, it is also to include passive infrared detector 6 in described vehicle condition detection device 1, Described passive infrared detector 6 is used for detecting infra-red radiation state in car, and by described infra-red radiation state Detection signal sends to described vehicle monitoring controller 2 as the foundation whether having child in judging car.
Further, in described vehicle monitoring controller 2 judges described car, infra-red radiation state is human body temperature Time, compare the difference of environment inside car temperature and human body temperature, as changing value between the two is more than 5 DEG C, then Described vehicle monitoring controller 2 controls described performance element 3 and works and report to the police.Temperature gap is big, and ring is described The impact that border is brought to human body is bigger, allows people feel uncomfortable, therefore in car indwelling child by long time stay Postpone and alerted, reduce indwelling child danger in car.
In order to ensure that described passive infrared detector 6 can cover in car as far as possible, can be by described passive infrared Detector 6 is located at vehicle interior, is arranged on roof centre position.
Further, the detection wavelength of described passive infrared detector 6 is that 9.5 μm are to 10.5 μm.Detection The scope of wavelength limits the normal body temperature's scope that correspond to, namely between 36.5 DEG C to 37.5 DEG C The infrared wavelength sent, specific aim is higher, is prevented effectively from false alarm.
One detection time point should be set in the detection of children's safety monitoring system and control work theory, because of May be to leave in short-term for car owner, or not far from car, so the design of this time is existed by the present embodiment During car door locking, detection and the control work of car door locking then children's safety monitoring system start.
Particularly, the present embodiment also includes vehicle blocking device 7, described vehicle condition detection device 1 He Described vehicle monitoring controller 2 is activated after described vehicle blocking device 7 completes locking work.
Further, described performance element 3 includes that window lifting controller, car light controller, loudspeaker control One or more in device, vehicle-mounted calling system etc..
The children's safety monitoring system of the present invention, for vehicle, arranges safely in conjunction with child's sign and conventional child Execute, detect by seat belt is inserted situation and seat-weight distribution situation, it is possible to more convenient quickly Ground realizes judging children in vehicles's indwelling situation, then makes child by car locking by performance element 3 Actuation of an alarm, by reminding the head of a family or passerby to have the child pinning and forgeing, to avoid because of the head of a family in noting car Negligence, causes child to be occurred by the tragedy in car locking, and native system simple in construction, and reliability is high, and Input cost is relatively low.
It addition, whether the passive infrared detector 6 of the present invention can detect in car according to human body physical sign temperature There is the material object meeting human body physical sign temperature, thus determine whether to distinguish the weight of other similar child weight Thing, and then ensure the correctness of described children's safety monitoring system.
Further, vehicle condition detection device 1 and the vehicle monitoring controller 2 of the present invention is at vehicle lock Just can be activated after Zhi, therefore, it is possible to avoid false alarm.
Fig. 2 is the workflow diagram of the children's safety monitoring system of the present embodiment.As in figure 2 it is shown, this enforcement Children's safety monitoring system described by example is as follows:
Latching under state at vehicle stall and door and window, vehicle condition detection device is started working.First, safety Band inserts whether heel row child seat belt in detection device 4 detects car inserts, as heel row child detected Seat belt is had to insert at safety seat, then signal an alert;Insert as being not detected by seat belt, then open Dynamic LOAD CELLS 5 starts to patrol and examine seat-weight and seating position, as met child's sign weight without detecting Distribution of weight, the most directly terminate logical judgment, all clear.If LOAD CELLS 5 detects weight, And weight is just interval child or similar child weight logic, then can determine whether out have child or similar on seat The weight of child weight, sends alarm or combines passive infrared detector 6 and carry out auxiliary judgement.
There are child or the weight of similar child on seat when detecting, entered by passive infrared detector 6 One step judges to distinguish weight and the child of other similar child weight.In starting car, passive infrared alarm probe is entered Row detection, as detected, 10 μm left and right infra-red radiations (at about 37 degree human body temperature, can send Infrared ray about specific wavelength 10 μm), signal is transferred to vehicle monitoring controller 2, at this moment vehicle Supervisory control device compares the changing value of ambient temperature and human body temperature and compares, such as change between the two When change value is more than 5 DEG C, report to the police.
While reporting to the police, also by other actions of performance element 3 because of its pedestrian or the note of driver and crew Meaning.Such as control vehicle window to decline, while keeping car inner air flow, it is possible to allow external staff notice car Interior situation;Control the double sudden strain of a muscle of car light by car light controller, or blown a whistle by horn controller.The most also can lead to Cross vehicle-mounted calling system direct calling car owner, the generation of children in vehicles's indwelling situation of drawing attention to.
When above-mentioned logical judgment is set up, at this moment can determine whether out that child passes into silence in car, controller sends warning Signal, at this moment car alarming and double geing out of the way are opened, in order to remind car owner or passerby Che Nei to have child.When car owner is real When executing alarm release, at this moment alarm release.
So far, although those skilled in the art will appreciate that and the most detailed illustrate and describing the present invention's Multiple exemplary embodiments, but, without departing from the spirit and scope of the present invention, still can be according to this Disclosure of invention directly determines or derives other variations or modifications of many meeting the principle of the invention.Cause This, the scope of the present invention is it is understood that and regard as covering other variations or modifications all these.

Claims (10)

1. for a children's safety monitoring system for vehicle, including:
Vehicle condition detection device, is used for detecting vehicle-state and feeding back;With
Vehicle monitoring controller, receives the detection data that described vehicle state monitoring device is returned, and according to Described detection data send control instruction to performance element, control the work of described performance element;
Wherein, described vehicle condition detection device includes that seat belt inserts detection device and LOAD CELLS, institute State seat belt insert detection device for detecting the insertion situation judging seat belt, described LOAD CELLS is located at Under-seat in vehicle, is used for detecting seat-weight, and described vehicle monitoring controller is taken advantage of in judging to draw car The work of described performance element is controlled after member's state.
Children's safety monitoring system the most according to claim 1, it is characterised in that described seat belt is inserted Enter to detect device and be located at the seat belt that child safety seat is other, after closing of the door as described in detect child The described seat belt of safety seat is in insert state, and the control of the most described vehicle monitoring controller is described performs list Unit's signal an alert.
Children's safety monitoring system the most according to claim 1 and 2, it is characterised in that described vehicle Seat-weight threshold value it is configured with in supervisory control device, if the described seat weight that described LOAD CELLS detects Amount the most described vehicle monitoring controller in described seat-weight threshold value controls described performance element and sends alarm Signal.
Children's safety monitoring system the most according to claim 3, it is characterised in that described weighing and sensing Device starts work, such as described peace after closing of the door after the detection of described seat belt insertion detection device terminates Full band inserts detection device and detects that the described seat belt of described child safety seat is in the state of being not inserted into, then Start described LOAD CELLS to be operated.
5. according to the children's safety monitoring system described in any one of Claims 1-4, it is characterised in that institute State vehicle condition detection device and include that passive infrared detector, described passive infrared detector are used for detecting in car Infra-red radiation state, and the detection signal of described infra-red radiation state is sent to described vehicle monitoring controller As the foundation whether having child in judging car.
Children's safety monitoring system the most according to claim 5, it is characterised in that described vehicle is supervised Control controller judges, when infra-red radiation state is human body temperature in described car, to compare environment inside car temperature and human body The difference of temperature, if changing value between the two is more than 5 DEG C, the most described vehicle monitoring controller controls described Performance element works and reports to the police.
7. according to the children's safety monitoring system described in claim 5 or 6, it is characterised in that described quilt Dynamic Infrared Detectors is located at vehicle interior, is arranged on roof centre position.
Children's safety monitoring system the most according to claim 7, it is characterised in that described passive infrared The detection wavelength of detector is that 9.5 μm are to 10.5 μm.
9. according to the children's safety monitoring system described in any one of claim 1 to 8, it is characterised in that also Including vehicle blocking device, described vehicle condition detection device and described vehicle monitoring controller at described vehicle Blocking device is activated after completing locking work.
10. according to the children's safety monitoring system described in any one of claim 1 to 9, it is characterised in that It is characterized in that, described performance element include window lifting controller, car light controller, horn controller, One or more in vehicle-mounted calling system.
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CN107554474A (en) * 2017-08-21 2018-01-09 武汉理工大学 A kind of children forget in-car based reminding method and device
CN107767491A (en) * 2017-11-02 2018-03-06 佛山鑫进科技有限公司 The drive recorder that a kind of anti-baby forgets
CN107839644A (en) * 2017-11-01 2018-03-27 大陆汽车投资(上海)有限公司 In-car leaves the based reminding method of baby
CN107839598A (en) * 2017-11-09 2018-03-27 江西爱驰亿维实业有限公司 In-car life detection warning system, method, equipment and storage medium
CN108116345A (en) * 2017-12-19 2018-06-05 蒙城县航远信息科技有限责任公司 A kind of automobile using confines safety protection method
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CN106515575A (en) * 2016-11-02 2017-03-22 上海爱出车网络科技有限公司 Alarm method and system for child safety seat
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CN107839644A (en) * 2017-11-01 2018-03-27 大陆汽车投资(上海)有限公司 In-car leaves the based reminding method of baby
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