CN103754173A - Life detection alarming device in passenger vehicle and control method of life detection alarming device - Google Patents

Life detection alarming device in passenger vehicle and control method of life detection alarming device Download PDF

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Publication number
CN103754173A
CN103754173A CN201410015667.9A CN201410015667A CN103754173A CN 103754173 A CN103754173 A CN 103754173A CN 201410015667 A CN201410015667 A CN 201410015667A CN 103754173 A CN103754173 A CN 103754173A
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China
Prior art keywords
ecu
guide rail
camera
passenger vehicle
wheel
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Granted
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CN201410015667.9A
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Chinese (zh)
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CN103754173B (en
Inventor
丁志华
代红梅
邹谦
黄兵兵
史玉华
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Jiujiang University
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Jiujiang University
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Publication of CN103754173B publication Critical patent/CN103754173B/en
Expired - Fee Related legal-status Critical Current
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Abstract

Disclosed are a life detection alarming device in a passenger vehicle and a control method of the life detection alarming device. A guide rail is fixedly mounted on a roof, a guide wheel and a trolley dragging wheel are coaxially mounted at one end of the guide rail, a second limiting switch is mounted at one end of the guide rail, a trolley dragging wheel, an ECU (electronic control unit) and a first limiting switch are mounted at the other end of the guide rail, a steel wire rope is mounted on each of the trolley dragging wheels at the two ends of the guide rail in a wound manner, the steel wire ropes are connected with two ends of a moving trolley, one end of a signal power source line is connected with an in-vehicle power source while the other end of the same is connected with the ECU to be connected with the moving trolley, a image preprocessing device is mounted in the moving trolley, and a camera is mounted on one side of the moving trolley. Image recognition technology is adopted to detect conditions of life bodies inside the passenger vehicle, giving an alarm or making a help-asking call is performed according to the conditions, a system is started when an engine is started, and the system is closed automatically or by pressing down a system switch after an alarm is triggered. The life detection alarming device is simple in structure, safe, reliable, low in cost and suitable for the passenger vehicles especially school buses of kindergartens and elementary and secondary schools.

Description

Life detecting alarm device and control method in a kind of passenger vehicle
Technical field
The present invention relates to a kind of vehicle alarming system, belong to passenger vehicle engine off, car door is locked and the detection alarm of life, particularly life detecting alarm device and method in a kind of passenger vehicle in car during operator seat non-driver.
Background technology
Along with operate on the society increase of quantity of passenger vehicle, due to lacking a sense of responsibility or carelessness of patcher person, suffocate passenger inside the vehicle's accident of passenger vehicle happens occasionally, and for the school bus of kindergarten or primary school, such tragedy is because passenger's particularity probability of occurrence is higher especially.Existing passenger vehicle particularly children's school bus does not have life detection warning in equipment cart, causes similar tragedy to happen occasionally.The detector being installed with in existing passenger vehicle, for using under vehicle operation state, and is to be fixedly installed in car on certain several point, can not move, especially can not be after chaufeur leaves from situation in different angle detection cars.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of warning, at passenger vehicle engine off, car door is locked and during operator seat non-driver, Neng Dui passenger inside the vehicle district situation scans, and image is sent to image recognition ECU, by ECU identification passenger zone situation.
For solving the problems of the technologies described above, the present invention by the following technical solutions.Life detecting alarm device in a kind of passenger vehicle, comprise guide wheel, travelling car, guide rail, image preprocess apparatus, it is characterized in that, roof is installed with guide rail, one end of guide rail is coaxially installed with guide wheel and dolly drag wheel and the second limit switch is housed, the other end of guide rail is provided with dolly drag wheel and ECU and the first limit switch is housed, and the dolly drag wheel at guide rail two ends has installed around steel rope; Steel rope connects respectively the two ends of travelling car; In guide wheel, installed around signal power supply line; One end of signal power supply line is connected with power supply in car, and the other end is connected with travelling car after being connected with ECU again; Guide rail is that groove shape track and a side arrange wired race, holder line wheel is fixedly housed in line race, travelling car is positioned at guide rail, the side that image preprocess apparatus and travelling car are housed in travelling car is provided with pick up camera, pick up camera connects image preprocess apparatus, and image preprocess apparatus connects ECU by signal power supply line; ECU controls alarm circuit by internal circuit; The first monitoring sensor is positioned at ignition lock place, and the second monitoring sensor is installed on driver's seat, and the 3rd monitoring sensor is all installed on car door; System switching is positioned on driving panel.
Further, described alarm circuit comprises storage battery, resistance, normally opened relay, loudspeaker and turn signal lamp, one end of turn signal lamp and loudspeaker is connected respectively the negative pole of storage battery with resistance by normally opened relay, the other end connects the positive pole of storage battery, and the control circuit of ECU inside connects the both positive and negative polarity of storage battery.
A control method for life detecting alarm device in passenger vehicle, when passenger vehicle chaufeur start the engine, in passenger vehicle, life detecting alarm device starts voluntarily.Passenger vehicle arrives destination, passenger getting off car, chaufeur kills engine, leave after operator's saddle locking car door, the first monitoring sensor is found out engine off, the second monitoring sensor and is found out operator seat non-driver, the 3rd monitoring sensor while finding out vehicle door locking, relevant information is sent to ECU, ECU starts roof slide rail camera head scanned passenger district, passenger zone image is delivered to ECU after image preprocess apparatus is processed, ECU carries out image recognition, then depending on feelings, judges whether to connect alarm circuit and sends warning signal or dial rescuing telephone.First, ECU controls the pick up camera the be positioned at passenger vehicle front portion scanning interior that swings, and picture signal is sent ECU back to after image preprocess apparatus is processed, and ECU carries out image recognition, judge in car, whether have clear-headed adult, if any, system finishing; As nothing, start slide rail camera head, and pick up camera is gone to left side and adjusts angle, pick up camera starts, under the seat and seat in left side, motion scan compartment, to arrive after compartment afterbody, the second limit switch triggers, energizing signal sends to ECU, and ECU controls pick up camera and horizontally rotates 180 ° and back under the seat and seat on right side, motion scan compartment, arrive anterior after the first limit switch trigger, energizing signal sends to ECU, and ECU controls pick up camera and resets into virgin state; In camera-scanning process, its graphicinformation is delivered to ECU after image preprocess apparatus is processed, and ECU carries out image recognition, judges in compartment whether have children, dormant adult and other baby's bodies, as nothing, and system finishing; If any, ECU internal control circuit is connected, and the open contact of normally opened relay is closed, and annunciator is that turn signal lamp and loudspeaker switch on power, turn signal lamp flicker and sound horn, driver and passerby that warning has just been got off.When rescue group completes rescue task, manually press system switching, ECU internal control circuit disconnects, and the open contact of normally opened relay disconnects, annunciator is turn signal lamp and loudspeaker and power supply disconnection, alarm lamp stops flicker, and loudspeaker stop sending the sound, system finishing.Unmanned rescue after 15 minutes, ECU will dial default rescuing telephone.
Described default rescuing telephone is the phone in 110 phones or passenger vehicle responsible official phone or local local police station.
In such scheme, described guide rail covers whole passenger zone, and first limit switch at two ends and the second limit switch trigger the rotation of pick up camera, guarantee to scan whole interior.
In such scheme, the second described monitoring sensor is installed under operator seat cushion, can judge whether operator seat has adult's chaufeur according to weight information.
In such scheme, described ECU, for identifying the graphicinformation that pick up camera sends, has judged whether that life entity is in car, and its function also comprises connection alarm circuit or dials warning rescuing telephone in addition.The default ECU that deposits in of rescuing telephone.
In such scheme, when chaufeur start the engine, the present invention starts voluntarily, and described system switching is manual-lock alarm circuit and system during only for system triggers annunciator, is not used in the startup operation of control system.
In such scheme, alarm circuit comprises storage battery, resistance, normally opened relay, loudspeaker and 4 turn signal lamps.Annunciator i.e. 4 turn signal lamps is connected the negative pole of storage battery with resistance by normally opened relay with loudspeaker, one end connects the positive pole of storage battery in addition, and the control circuit of ECU inside connects the both positive and negative polarity of storage battery.
Innovation of the present invention is: adopt image recognition technology to find out the inner life entity situation of passenger vehicle, depending on information, warn or dial rescuing telephone, system is enabled with the startup of driving engine, after trigger alarm, system is closed voluntarily or is pressed system switching and close, have advantages of simple in structure, safe and reliable, cost is low, particularly kindergarten and middle and primary schools school buses use to be suitable for passenger vehicle.
accompanying drawing explanation
Fig. 1 is that the present invention is at the schematic diagram of Bus inner layout.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the mounting structure schematic diagram that holds in the palm line wheel 4 and dolly drag wheel 7 in the present invention.
Fig. 4 is the mounting structure schematic diagram of travelling car 3 and pick up camera 9 in the present invention.
Fig. 5 is the arrangement plan of operating seat the second monitoring sensor 12 in the present invention.
Fig. 6 is alarm system circuit diagram of the present invention.
Fig. 7 is system control principle block diagram of the present invention.
In figure: 1-guide wheel, 2-signal power supply line, 3-travelling car, 4-holder line wheel, 5-guide rail, 6-line race, 7-dolly drag wheel, 8-steel rope, 9-pick up camera, 10-the first monitoring sensor, 11-image preprocess apparatus, 12-the second monitoring sensor, 13-sensor conductor, 14-the 3rd monitoring sensor, 15-driver's seat, 16-car door, 17-ECU, 18-system switching, 19-the first limit switch, 20-the second limit switch, 21-storage battery, 22-resistance, 23-normally opened relay, 24-loudspeaker, 25-turn signal lamp.
Specific embodiments
Below in conjunction with drawings and Examples, the invention will be further described.
embodiment:life detecting alarm device in a kind of passenger vehicle, as shown in Fig. 1-Fig. 6, comprise guide wheel 1, signal power supply line 2 travelling cars 3, holder line wheel 4, guide rail 5, line race 6, dolly drag wheel 7, steel rope 8, pick up camera 9, the first monitoring sensor 10, image preprocess apparatus 11, the second monitoring sensor 12, the 3rd monitoring sensor 14, ECU17, system switching 18, the first limit switch 19 and the second limit switch 20 etc.Guide rail 5 fixed installation roofs are inner, cover whole compartment, the two ends of guide rail 5 are provided with the first limit switch 19 and the second limit switch 20, one end of guide rail 5 is coaxially installed with guide wheel 1 and dolly drag wheel 7 and inner side the second limit switch 20 is housed, be provided with the other end of guide rail 5 dolly drag wheel 7 and ECU17 and inner side are equipped with the first limit switch 19, and the dolly drag wheel 7 at guide rail 5 two ends has installed around steel rope 8; Steel rope 8 connects respectively the two ends of travelling car 3; In guide wheel 1, installed around signal power supply line 2; One end of signal power supply line 2 is connected with power supply in car, and the other end is connected with travelling car 3 after being connected with ECU17 again; Guide rail 5 arranges wired race 6 for groove shape track and a side, the interior holder line wheel 4 that is fixedly equipped with of line race 6, travelling car 3 is positioned at guide rail 5, the side that image preprocess apparatus 11 and travelling car 3 are housed in travelling car 3 is provided with pick up camera 9, pick up camera 9 connects image preprocess apparatus 11, and image preprocess apparatus 11 connects ECU17 by signal power supply line 2; The first monitoring sensor 10 is positioned at ignition lock place, for monitoring the work shape body of driving engine; The second monitoring sensor 12 is installed on driver's seat 15, can judges whether operator seat has adult's chaufeur according to weight information; The 3rd monitoring sensor 14 is all installed, for monitoring whether locking of car door on car door 16; System switching 18 is positioned on driving panel; Annunciator is turn signal lamp and the loudspeaker of passenger vehicle self; Alarm circuit comprises storage battery, resistance, normally opened relay, loudspeaker and 4 turn signal lamps, annunciator i.e. 4 turn signal lamps 25 is connected the negative pole of storage battery 21 by normally opened relay 23 and resistance 22 with loudspeaker 24, one end connects the positive pole of storage battery 21 in addition, and the control circuit of ECU17 inside connects the both positive and negative polarity of storage battery 21; ECU can accept graphicinformation in the car of pick up camera 9 scannings that image preprocess apparatus 11 processed, and carry out image recognition, to have judged whether that life entity is in car, its function also comprises connection alarm lamp or dials warning rescuing telephone, the predeterminable ECU that deposits in of rescuing telephone in addition.
When chaufeur start the engine, life detecting alarm device of the present invention starts voluntarily, and 18 of described system switchings are manual-lock alerting signal and system during for system triggers, is not used in the startup operation of control system.When the first monitoring sensor 10, find out engine off, the second monitoring sensor 12 and find out operator seat non-driver, the 3rd monitoring sensor 14 while finding out vehicle door locking, relevant information is sent to ECU17, ECU17 starts roof slide rail camera head scanned passenger district, passenger zone image is delivered to ECU17 after image preprocess apparatus 11 is processed, ECU17 carries out image recognition, then depending on feelings, judges whether to connect alarm circuit and sends warning signal or dial 110 telephone recourses.Also can be dialed by ECU17 the phone in passenger vehicle responsible official phone or local local police station.
In passenger vehicle of the present invention, the whole control process of life detecting alarm device is as follows: referring to Fig. 7, first, ECU17 controls the pick up camera 9 the be positioned at passenger vehicle front portion scanning interior that swings, picture signal is sent ECU17 back to after image preprocess apparatus 11 is processed, ECU17 carries out image recognition, judge in car, whether there is clear-headed adult, if any, system finishing.As nothing, start slide rail camera head, and pick up camera is gone to a side and adjusts angle, pick up camera starts under Yi Ce seat, motion scan compartment and seat, arrive after compartment afterbody, the second limit switch 20 triggers, energizing signal sends to ECU17, ECU17 controls that pick up camera 9 horizontally rotates 180 degree and back under the seat and seat of motion scan compartment opposite side, arriving anterior rear the first limit switch 19 triggers, energizing signal sends to ECU17, and ECU17 controls pick up camera 9 and resets into virgin state.In pick up camera 9 scanning processes, its graphicinformation is delivered to ECU17 after image preprocess apparatus 11 is processed, and ECU17 carries out image recognition, judges in compartment whether have children, dormant adult and other baby's bodies etc., as nothing, and system finishing; If any, ECU17 internal control circuit is connected, and the open contact of normally opened relay 23 is closed, and annunciator is that turn signal lamp 25 and loudspeaker 24 switch on power, turn signal lamp 25 flicker and loudspeaker 24 sounding, driver and passerby that warning has just been got off.When rescue group completes rescue task, manually press system switching 18, ECU internal control circuit disconnects, and the open contact of normally opened relay 23 disconnects, annunciator is that turn signal lamp 25 and loudspeaker 24 disconnect with power supply, alarm lamp stops flicker, and loudspeaker stop sending the sound, system finishing.As unmanned rescue after a period of time, ECU17 will dial default rescuing telephone.When travelling car 3 moves along guide rail 5 to a direction, the dolly drag wheel 7 of guide rail 5 one end is rotated, and drive guide wheel 1 to rotate together by its wheel shaft, thereby rolling signal power supply line 2, drive signal power supply line 2 actions, signal power supply line 2 access points that make to introduce travelling car 3 are followed travelling car 3 and are synchronized with the movement; When travelling car 3 is done counter motion along guide rail 5, the dolly drag wheel 7 of guide rail 5 these ends drives retractable cable guide wheel 1 to rotate backward, thereby emit signal power lead 2, the signal power supply line 2 introducing points that make to be fixed on travelling car 3 are followed travelling car motion, drive the interior sense of motion to travelling car 3 of the online race 6 of signal power supply line 2 to move, the signal power supply line 2 that makes to introduce travelling car 3 is introduced to put and is followed travelling car and be synchronized with the movement.Dolly drag wheel 7 in this device and the radius ratio of guide wheel 1 are 1:1, can make the signal power supply line 2 introducing points of travelling car 3 follow travelling car 3 Complete Synchronizations motions, the accumulation that can not produce signal power supply line 2; The setting of holder line wheel 4 has effectively reduced the wearing and tearing of signal power supply line 2, has improved service life.

Claims (4)

1. life detecting alarm device in a passenger vehicle, comprise guide wheel, travelling car, guide rail, image preprocess apparatus, it is characterized in that, roof is installed with guide rail, one end of guide rail is coaxially installed with guide wheel and dolly drag wheel and the second limit switch is housed, the other end of guide rail is provided with dolly drag wheel and ECU and the first limit switch is housed, and the dolly drag wheel at guide rail two ends has installed around steel rope; Steel rope connects respectively the two ends of travelling car; In guide wheel, installed around signal power supply line; One end of signal power supply line is connected with power supply in car, and the other end is connected with travelling car after being connected with ECU again; Guide rail is that groove shape track and a side arrange wired race, holder line wheel is fixedly housed in line race, travelling car is positioned at guide rail, the side that image preprocess apparatus and travelling car are housed in travelling car is provided with pick up camera, pick up camera connects image preprocess apparatus, and image preprocess apparatus connects ECU by signal power supply line; ECU controls alarm circuit by internal circuit; The first monitoring sensor is positioned at ignition lock place, and the second monitoring sensor is installed on driver's seat, and the 3rd monitoring sensor is all installed on car door; System switching is positioned on driving panel.
2. life detecting alarm device in passenger vehicle according to claim 1, it is characterized in that, described alarm circuit comprises storage battery, resistance, normally opened relay, loudspeaker and turn signal lamp, one end of turn signal lamp and loudspeaker is connected respectively the negative pole of storage battery with resistance by normally opened relay, the other end connects the positive pole of storage battery, and the control circuit of ECU inside connects the both positive and negative polarity of storage battery.
3. the control method of life detecting alarm device in a passenger vehicle according to claim 1 and 2, it is characterized in that, when the first monitoring sensor, find out engine off, the second monitoring sensor and find out operator seat non-driver, the 3rd monitoring sensor while finding out vehicle door locking, relevant information is sent to ECU, ECU controls the camera-scanning interior that is positioned at passenger vehicle front portion, picture signal is sent ECU back to after image preprocess apparatus is processed, ECU carries out image recognition, judge and in car, whether have clear-headed adult, if any, system finishing; As nothing, start slide rail camera head, and pick up camera is gone to left side and adjusts angle, pick up camera starts, under the seat and seat in left side, motion scan compartment, to arrive after compartment afterbody, the second limit switch triggers, energizing signal sends to ECU, and ECU controls pick up camera and horizontally rotates 180 ° and back under the seat and seat on right side, motion scan compartment, arrive anterior after the first limit switch trigger, energizing signal sends to ECU, and ECU controls pick up camera and resets into virgin state; In camera-scanning process, its graphicinformation is delivered to ECU after image preprocess apparatus is processed, and ECU carries out image recognition, judges in compartment whether have children, dormant adult and other baby's bodies, as nothing, and system finishing; If any, ECU internal control circuit is connected, and the open contact of normally opened relay is closed, and annunciator is that turn signal lamp and loudspeaker switch on power, turn signal lamp flicker and sound horn, driver and passerby that warning has just been got off; When rescue group completes rescue task, manually press system switching, ECU internal control circuit disconnects, and the open contact of normally opened relay disconnects, annunciator is turn signal lamp and loudspeaker and power supply disconnection, alarm lamp stops flicker, and loudspeaker stop sending the sound, system finishing; Unmanned rescue after 15 minutes, ECU will dial default rescuing telephone.
4. control method according to claim 3, is characterized in that, described default rescuing telephone is the phone in 110 phones or passenger vehicle responsible official phone or local local police station.
CN201410015667.9A 2014-01-14 2014-01-14 The control method of life detecting alarm device in a kind of passenger vehicle Expired - Fee Related CN103754173B (en)

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CN105225413A (en) * 2015-09-11 2016-01-06 芜湖安瑞光电有限公司 A kind of automobile-used automatic alarm and salvage system
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CN106608228A (en) * 2015-10-21 2017-05-03 上海汽车集团股份有限公司 Vehicle-mounted terminal control method and vehicle-mounted terminal control device
CN107972610A (en) * 2017-11-17 2018-05-01 重庆长安汽车股份有限公司 In-car monitoring device and method based on single camera
CN108629953A (en) * 2018-04-28 2018-10-09 惠州市德赛西威汽车电子股份有限公司 A kind of anti-omission method for early warning of the life entity based on ADAS and system
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CN108995624A (en) * 2018-06-22 2018-12-14 张小勇 Security of vehicle device and method
CN111204317A (en) * 2018-11-22 2020-05-29 广州汽车集团股份有限公司 EPB automatic release control method and device, controller and computer storage medium
CN110203164A (en) * 2019-06-12 2019-09-06 九江学院 Automobile heat asphyxia alarm method and system
CN110614971A (en) * 2019-09-30 2019-12-27 惠州市德赛西威汽车电子股份有限公司 Vehicle-mounted early warning system and method based on ADAS

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