CN202481010U - Infrared automobile interior environment monitoring system based on controller area network (CAN) /local interconnect network (LIN) bus - Google Patents

Infrared automobile interior environment monitoring system based on controller area network (CAN) /local interconnect network (LIN) bus Download PDF

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Publication number
CN202481010U
CN202481010U CN2011204873282U CN201120487328U CN202481010U CN 202481010 U CN202481010 U CN 202481010U CN 2011204873282 U CN2011204873282 U CN 2011204873282U CN 201120487328 U CN201120487328 U CN 201120487328U CN 202481010 U CN202481010 U CN 202481010U
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CN
China
Prior art keywords
car
environment
infrared
lin bus
lin
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CN2011204873282U
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Chinese (zh)
Inventor
黄志强
陶君毅
赵冉冉
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苏州卡泰克电子科技有限公司
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Priority to CN2011204873282U priority Critical patent/CN202481010U/en
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Publication of CN202481010U publication Critical patent/CN202481010U/en

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Abstract

The utility model relates to an infrared automobile interior environment monitoring system based on a controller area network (CAN) /local interconnect network (LIN) bus. The infrared automobile interior environment monitoring system based on the CAN/LIN bus comprises a sensor, a signal processing module, an analog to digital (A/D) conversion circuit, an electronic control unit (ECU) system, a driving computer, a CAN/LIN data bus, an alarm circuit, a liquid crystal display (LCD) display module, a wireless communication module, and a power supply. Signals obtained by the sensor is organized by the signal processing module, and then converted by the A/D conversion circuit and input to the ECU system to be processed. The ECU system combines sensor information and automobile status information obtained from the driving computer by the CAN/LIN bus to make synthetic judgment. When automobile interior environmental deterioration is found or personnel or lives are found to be left in an automobile and the lock of the automobile is shut, the alarm circuit is turned on to alarm, a message reminder is sent by the wireless communication module, and an instruction is given to the driving computer through the CAN/LIN bus so that the driving computer adjusts automobile windows or controls the activation of an air conditioner and an external circulation of the air conditioner. The power supply provides electrical energy to all components. The infrared automobile interior environment monitoring system based on the CAN/LIN bus can provide safety protection to personnel unintentionally left in automobiles so that accidents are prevented.

Description

A kind of infrared environment inside car monitored control system based on the CAN/LIN bus

Technical field

The utility model relates to a kind of environment inside car monitored control system, and particularly a kind of infrared environment inside car monitored control system based on the CAN/LIN bus belongs to automobile intelligent monitoring and life security support system technical field.

Background technology

In recent years; Owing to the too high incidents of being poisoned to death that cause of gas concentration such as environment inside car temperature control, self-burning of vehicle or carbonic oxide/CO2 occur repeatedly; For example when the driver has a rest in airtight static car or is absorbed in a certain activity; Because in the enclosed environment gas concentration lwevel raise gradually or the carbonic oxide noxious gas of the insufficient generation of engine combustion into the car environment cause poisoning, perhaps because vehicle interior temperature too high/lowly excessively cause heatstroke or frostbite to be freezed to death; This external cause car owner general idea causes the accident of still leaving over temporary no capacity of will personnel such as infant, sleeper in the closed car after leaving and causing also not rarely seen; The generation of how to stop this type of tragedy does not have good measure as yet, so the utility model is particularly important for continuous monitoring that realizes the automotive interior environment and guarantee driver and crew's life security.

The utility model content

The utility model purpose is for the deficiency that overcomes prior art a kind of infrared environment inside car monitored control system based on the CAN/LIN bus that can protect life security in the car to be provided.

For achieving the above object; The technical scheme that the utility model adopts is: a kind of infrared environment inside car monitored control system based on the CAN/LIN bus comprises sensor, signal processing module, A/D analog to digital conversion circuit, ECU electronic control unit system, car running computer, CAN/LIN data bus, warning circuit, power supply; The signal that said sensor obtains is earlier through the signal processing module arrangement, again by input ECU electronic control unit system handles after the A/D circuit conversion; Said ECU electronic control unit systems incorporate sensor information and comprehensively judge from the vehicle condition information that car running computer obtains via the CAN/LIN bus; When finding the environment inside car deterioration or having personnel/life to be left over locking, said system start-up warning circuit is reported to the police and is sent instruction through the CAN/LIN bus to car running computer, by the startup of its adjustment vehicle window or control air-conditioning and outer circulation thereof; Said power supply provides electric energy to each parts.

Preferably, said infrared environment inside car monitored control system based on the CAN/LIN bus also comprises wireless communication module; When detecting that environment inside car worsens or when having personnel/life to be left over locking, said ECU electronic control unit system sends instruction to wireless communication module, and said wireless communication module sends note to the car owner, has abnormal condition to occur in the caution car.

Preferably, said infrared environment inside car monitored control system based on the CAN/LIN bus is characterized in that: also comprise the LCD display module; When detecting that environment inside car worsens or when having personnel/life to be left over locking, said ECU electronic control unit system sends instruction to the LCD display module, and said LCD display module shows dangerous tip and dangerous information.

Preferably, said sensor is the combination of infrared pickoff and environmental sensor.

Preferably, said infrared pickoff places top in the car, so that life situation in the probe vehicles of maximum range.

Whether preferably, said environmental sensor is a multisensor combination, be used to detect the content of toxic combustible gas such as the temperature height of automotive interior environment, airborne oxygen, CO2 and carbonic oxide and have not clear smog to occur.

Preferably, said ECU electronic control unit system comprises MCU or DSP or CPLD or MPU microprocessor; Said ECU electronic control unit is intellectual analysis, judgement and a decision system.

Because the utilization of technique scheme, the utility model compared with prior art has advantage:

The bidirectional dialog of the described infrared environment inside car monitored control system based on the CAN/LIN bus of the utility model through adopting CAN/LIN bus realization and car running computer and ECU electronic control unit system, obtain vehicle condition information; Through infrared pickoff and environmental sensor environment inside car and life are existed situation continuous scanning, monitoring; Said then ECU electronic control unit system provides strong assurance to the environment in the car to life security through intelligent computing and automatic guidance: in automobile stagnation of movement, car, have under people's the situation; Run into temperature too high/low excessively or oxygen is not enough, CO2 is too high or concentration of toxic gases such as carbonic oxide exceeds standard or when occurring failing to understand smog; Starting warning circuit reports to the police; LCD shows, note is warned and adjust vehicle window and air-conditioning through CAN/LIN bus notice car running computer; Improve environment inside car, guarantee personal safety; In automobile stagnation of movement, car, have under the situation of people/life; Running into the car owner locks car and leaves native system and will directly report to the police and SMS caution; With guarantee can not occur infant, sleep rest person etc. temporarily no capacity of will personnel or other life be retained in the situation of sealing in the locked car, thereby avoid the generation of tragedy.

Description of drawings

Below in conjunction with accompanying drawing the utility model technical scheme is described further:

Accompanying drawing 1 is the fundamental diagram of the described infrared environment inside car monitored control system based on the CAN/LIN bus of the utility model;

Accompanying drawing 2 is the workflow diagram of the standard monitoring mode of the described infrared environment inside car monitored control system based on the CAN/LIN bus of the utility model;

Accompanying drawing 3 is the workflow diagram of the energy-saving monitoring pattern of the described infrared environment inside car monitored control system based on the CAN/LIN bus of the utility model.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to specify.

The described a kind of infrared environment inside car monitored control system of the utility model shown in accompanying drawing 1-3 based on the CAN/LIN bus; Comprise sensor, signal processing module, A/D analog to digital conversion circuit, ECU electronic control unit system, car running computer, CAN/LIN data bus, power supply, warning circuit, LCD display module, wireless communication module; Said ECU electronic control unit system comprises MCU or microprocessors such as DSP or CPLD or MPU; Said ECU electronic control unit is intellectual analysis, judgement and a decision system; The signal that said sensor obtains is imported ECU electronic control unit system handles more earlier through the signal processing module arrangement after the A/D circuit conversion; The information that said ECU electronic control unit system synthesis sensor provides and after car running computer obtains vehicle condition information, provide intelligent computing and fuzzy Judgment through the CAN/LIN bus; When finding the environment inside car deterioration or personnel/life being arranged; When leaving over locking like quilts such as infant, sleeper, pets; ECU electronic control unit system sends instruction, starts warning circuit and sends sound, light, vibrations warning to remind driver and crew, starts the LCD display module and shows dangerous tip and dangerous content; Starting wireless communication module simultaneously sends note caution to the car owner and has abnormal condition to occur to remind vehicle; Simultaneity factor is sent instruction through the CAN/LIN bus to car running computer again, by the startup of its adjustment vehicle window or control air-conditioning and outer circulation thereof, and the adjustment environment inside car; Said power supply provides electric energy for each parts; Said sensor comprises infrared pickoff and environmental sensor; Said infrared pickoff is responsive to the human body frequency range, can effectively from high and low temperature environment, pick out the life infrared signal; Said infrared pickoff places visual angle good locations in the car, like roof, so that life situation in the probe vehicles of maximum range; Whether multisensor combination of said environmental sensor is used to detect the content of toxic combustible gas such as the temperature height of automotive interior environment, airborne oxygen, CO2 and carbonic oxide and has not clear smog to occur; Said infrared environment inside car monitored control system based on the CAN/LIN bus has standard monitoring mode and energy-saving monitoring pattern; The principle of work of said standard monitoring mode: when the speed of a motor vehicle is 0; Infrared pickoff and environmental sensor start simultaneously; Lock car and leave signal when said ECU electronic control unit system detects the car owner; But said infrared pickoff is surveyed and is found still to have in the car people or life (like pet etc.) to retain, and then starts warning circuit work immediately, sends sound, light, vibrations warning; And send note through wireless communication module and point out to the car owner and have non-original idea to stay people/life in the car; Infrared pickoff is not surveyed and is found in the car people is arranged if ECU electronic control unit system detects that the car owner leaves signal; Then infrared pickoff and environmental sensor work on; Too high or too low or oxygen content is low excessively or gas concentration lwevel is too high, cross concentration of toxic gases such as carbonic oxide surpasses safety value or not clear smog occurs when vehicle interior temperature occurring; Then warning circuit sends sound, light, vibrations warning, short message prompt, LCD display module demonstration hydropac; Send instruction through the CAN/LIN bus to car running computer simultaneously and regulate vehicle window or unlatching air-conditioning and outer circulation, guarantee occupant/life security to regulate environment inside car; The principle of work of said energy-saving monitoring pattern: after the speed of a motor vehicle is 0 system get into one 5~10 minutes the waiting period; Whether said ECU electronic control unit system detects has the car owner to leave vehicle-locking signal to occur; Then start immediately in this way and still leave people or other life in the infrared pickoff probe vehicles; If any then reporting to the police by warning circuit immediately, and send in the short message prompt car owner car through wireless communication module and to have non-original idea to stay people or life; Do not detect the car owner like ECU electronic control unit system always and leave signal; Restart infrared pickoff after finishing the waiting period of so, finding has people/life in the car, then further opens environmental sensor; Vehicle interior temperature and air quality are carried out the real-time continuous monitoring; Note abnormalities and report to the police by warning circuit immediately, and through having non-original idea to stay people or life in the wireless communication module transmission short message prompt car owner car, the LCD display module shows hydropac; Send instruction through the CAN/LIN bus to car running computer simultaneously and regulate vehicle window or open air-conditioning and outer circulation adjusting environment inside car, guarantee occupant/life security; The advantage of this mode of operation is to avoid the frequent starting of sensor, saves energy consumption and prolongs work life.

Above-mentioned two kinds of mode of operations, all will reset automatically from nobody, when the blocking change changes car door opening, automobile initiate mode at automobile, get into workflow.Because the utilization of technique scheme, the utility model compared with prior art has advantage:

The bidirectional dialog of the described infrared environment inside car monitored control system based on the CAN/LIN bus of the utility model through adopting CAN/LIN bus realization and car running computer and ECU electronic control unit system, obtain vehicle condition information; Through infrared pickoff and environmental sensor environment inside car and life are existed situation continuous scanning, monitoring; Said then ECU electronic control unit system provides strong assurance to the environment in the car to life security through intelligent computing and automatic guidance: in automobile stagnation of movement, car, have under people's the situation; Run into temperature too high/low excessively or oxygen is not enough, CO2 is too high or concentration of toxic gases such as carbonic oxide exceeds standard or when occurring failing to understand smog; Starting warning circuit reports to the police; LCD shows, note is warned and adjust vehicle window and air-conditioning through CAN/LIN bus notice car running computer; Improve environment inside car, guarantee personal safety; In automobile stagnation of movement, car, have under the situation of people/life; Running into the car owner locks car and leaves native system and will directly report to the police and SMS caution; With guarantee can not occur infant, sleep rest person etc. temporarily no capacity of will personnel or other life be retained in the situation of sealing in the locked car, thereby avoid the generation of tragedy.

Below only be the concrete exemplary applications of the utility model, the protection domain of the utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model rights protection scope.

Claims (7)

1. the infrared environment inside car monitored control system based on the CAN/LIN bus is characterized in that: comprise sensor, signal processing module, A/D analog to digital conversion circuit, ECU electronic control unit system, car running computer, CAN/LIN data bus, warning circuit, power supply; The signal that said sensor obtains is earlier through the signal processing module arrangement, again by input ECU electronic control unit system handles after the A/D circuit conversion; Said ECU electronic control unit systems incorporate sensor information and comprehensively judge from the vehicle condition information that car running computer obtains via the CAN/LIN bus; When finding the environment inside car deterioration or having personnel/life to be left over locking, said system start-up warning circuit is reported to the police and is sent instruction through the CAN/LIN bus to car running computer, by the startup of its adjustment vehicle window or control air-conditioning and outer circulation thereof; Said power supply provides electric energy to each parts.
2. the infrared environment inside car monitored control system based on the CAN/LIN bus according to claim 1 is characterized in that: also comprise wireless communication module; When detecting that environment inside car worsens or when having personnel/life to be left over not busy lock, said ECU electronic control unit system sends instruction to wireless communication module, and said wireless communication module sends note to the car owner, has abnormal condition to occur in the caution car.
3. the infrared environment inside car monitored control system based on the CAN/LIN bus according to claim 1 is characterized in that: also comprise the LCD display module; When detecting that environment inside car worsens or when having personnel/life to be left over locking, said ECU electronic control unit system sends instruction to the LCD display module, and said LCD display module shows dangerous tip and dangerous information.
4. according to claim 1 or 2 or 3 described infrared environment inside car monitored control systems based on the CAN/LIN bus, it is characterized in that: said sensor is the combination of infrared pickoff and environmental sensor.
5. the infrared environment inside car monitored control system based on the CAN/LIN bus according to claim 4, it is characterized in that: said infrared pickoff places the car inner top, so that life situation in the probe vehicles of maximum range.
6. the infrared environment inside car monitored control system based on the CAN/LIN bus according to claim 4; Whether it is characterized in that: said environmental sensor is a multisensor combination, be used to detect the content of toxic combustible gas such as the temperature height of automotive interior environment, airborne oxygen, CO2 and carbonic oxide and have not clear smog to occur.
7. according to claim 1 or 2 or 3 or 5 or 6 described infrared environment inside car monitored control systems based on the CAN/LIN bus, it is characterized in that: said ECU electronic control unit system comprises MCU or DSP or CPLD or MPU microprocessor; Said ECU electronic control unit is intellectual analysis, judgement and a decision system.
CN2011204873282U 2011-11-30 2011-11-30 Infrared automobile interior environment monitoring system based on controller area network (CAN) /local interconnect network (LIN) bus CN202481010U (en)

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CN2011204873282U CN202481010U (en) 2011-11-30 2011-11-30 Infrared automobile interior environment monitoring system based on controller area network (CAN) /local interconnect network (LIN) bus

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102582560A (en) * 2012-02-22 2012-07-18 苏州卡泰克电子科技有限公司 Self-adaptive infrared system for monitoring internal environment of automobile
CN103129489A (en) * 2011-11-30 2013-06-05 苏州卡泰克电子科技有限公司 Infrared vehicle interior environmental monitoring system based on controlled area network (CAN) / local interconnect network (LIN) bus
CN104527522A (en) * 2015-01-25 2015-04-22 无锡桑尼安科技有限公司 Gas exhaust state monitoring system for vehicle air conditioner
CN104527523A (en) * 2015-01-25 2015-04-22 无锡桑尼安科技有限公司 Air condition monitoring equipment in automobile
CN104553998A (en) * 2015-01-30 2015-04-29 无锡桑尼安科技有限公司 Internal control method for improving safety under parking state
CN104553995A (en) * 2015-01-25 2015-04-29 无锡桑尼安科技有限公司 Vehicle internal air condition monitoring and controlling method
CN104553675A (en) * 2015-01-29 2015-04-29 无锡桑尼安科技有限公司 Safety monitoring system for monitoring usage of air conditioning of vehicle stopped
CN104553999A (en) * 2015-01-29 2015-04-29 无锡桑尼安科技有限公司 Monitoring method for improving service state safety of vehicle stopped
CN104566870A (en) * 2015-01-29 2015-04-29 无锡桑尼安科技有限公司 Use safety monitoring method of air conditioner under parking state
CN104590110A (en) * 2015-01-29 2015-05-06 无锡桑尼安科技有限公司 Monitoring equipment for oxygen state in automobile
CN104590183A (en) * 2015-01-30 2015-05-06 无锡桑尼安科技有限公司 Internal monitor system for safety under parking state
CN104773126A (en) * 2015-03-19 2015-07-15 湖北楚车电子商务有限公司 Automobile harmful gas detection alarm
CN105015451A (en) * 2015-06-29 2015-11-04 柳州蚊敌香业有限公司 Vehicle-mounted CO-concentration monitoring and warning device
CN105292037A (en) * 2014-08-24 2016-02-03 石狮市高鑫技术孵化有限公司 In-car security system device
CN105346496A (en) * 2015-11-10 2016-02-24 奇瑞汽车股份有限公司 Alarming method and system for detecting left lives in vehicle
CN105416219A (en) * 2015-12-10 2016-03-23 安徽工程大学 Car intelligent window breaking device and using method thereof
CN105644467A (en) * 2014-12-02 2016-06-08 杨基鑫 Device and method for preventing infant from being locked from inside
CN107117027A (en) * 2017-04-28 2017-09-01 安徽江淮汽车集团股份有限公司 Vehicular intelligent control method and system based on fatigue monitoring

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103129489A (en) * 2011-11-30 2013-06-05 苏州卡泰克电子科技有限公司 Infrared vehicle interior environmental monitoring system based on controlled area network (CAN) / local interconnect network (LIN) bus
CN102582560A (en) * 2012-02-22 2012-07-18 苏州卡泰克电子科技有限公司 Self-adaptive infrared system for monitoring internal environment of automobile
CN105292037A (en) * 2014-08-24 2016-02-03 石狮市高鑫技术孵化有限公司 In-car security system device
CN105644467A (en) * 2014-12-02 2016-06-08 杨基鑫 Device and method for preventing infant from being locked from inside
CN104527522A (en) * 2015-01-25 2015-04-22 无锡桑尼安科技有限公司 Gas exhaust state monitoring system for vehicle air conditioner
CN104553995A (en) * 2015-01-25 2015-04-29 无锡桑尼安科技有限公司 Vehicle internal air condition monitoring and controlling method
CN104527523A (en) * 2015-01-25 2015-04-22 无锡桑尼安科技有限公司 Air condition monitoring equipment in automobile
CN104553675A (en) * 2015-01-29 2015-04-29 无锡桑尼安科技有限公司 Safety monitoring system for monitoring usage of air conditioning of vehicle stopped
CN104553999A (en) * 2015-01-29 2015-04-29 无锡桑尼安科技有限公司 Monitoring method for improving service state safety of vehicle stopped
CN104566870A (en) * 2015-01-29 2015-04-29 无锡桑尼安科技有限公司 Use safety monitoring method of air conditioner under parking state
CN104590110A (en) * 2015-01-29 2015-05-06 无锡桑尼安科技有限公司 Monitoring equipment for oxygen state in automobile
CN104590183A (en) * 2015-01-30 2015-05-06 无锡桑尼安科技有限公司 Internal monitor system for safety under parking state
CN104553998A (en) * 2015-01-30 2015-04-29 无锡桑尼安科技有限公司 Internal control method for improving safety under parking state
CN104773126A (en) * 2015-03-19 2015-07-15 湖北楚车电子商务有限公司 Automobile harmful gas detection alarm
CN105015451A (en) * 2015-06-29 2015-11-04 柳州蚊敌香业有限公司 Vehicle-mounted CO-concentration monitoring and warning device
CN105346496A (en) * 2015-11-10 2016-02-24 奇瑞汽车股份有限公司 Alarming method and system for detecting left lives in vehicle
CN105416219A (en) * 2015-12-10 2016-03-23 安徽工程大学 Car intelligent window breaking device and using method thereof
CN107117027A (en) * 2017-04-28 2017-09-01 安徽江淮汽车集团股份有限公司 Vehicular intelligent control method and system based on fatigue monitoring

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