CN104517399A - Automobile heatstroke prevention alarm method based on bluetooth network and system thereof - Google Patents

Automobile heatstroke prevention alarm method based on bluetooth network and system thereof Download PDF

Info

Publication number
CN104517399A
CN104517399A CN201310449350.1A CN201310449350A CN104517399A CN 104517399 A CN104517399 A CN 104517399A CN 201310449350 A CN201310449350 A CN 201310449350A CN 104517399 A CN104517399 A CN 104517399A
Authority
CN
China
Prior art keywords
automobile
heatstroke
sensor
bluetooth
blueteeth network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310449350.1A
Other languages
Chinese (zh)
Inventor
施新英
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.)
HUZHOU WOWU NETWORK SCIENCE & TECHNOLOGY Co Ltd
Original Assignee
HUZHOU WOWU NETWORK SCIENCE & TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUZHOU WOWU NETWORK SCIENCE & TECHNOLOGY Co Ltd filed Critical HUZHOU WOWU NETWORK SCIENCE & TECHNOLOGY Co Ltd
Priority to CN201310449350.1A priority Critical patent/CN104517399A/en
Publication of CN104517399A publication Critical patent/CN104517399A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/12Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/14Toxic gas alarms
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/016Personal emergency signalling and security systems

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses an automobile heatstroke prevention alarm method based on a bluetooth network and a system thereof. The method comprises the following steps that S1, presence of people in the automobile is monitored; S2, if the monitoring result is yes, temperature and concentration of poisonous gas in the automobile are monitored; when temperature or concentration of poisonous gas in the automobile exceeds a threshold value, an alarm signal is generated; S4, a bluetooth accessory of the automobile is started, bluetooth equipment within range is searched and pairing and connection with the bluetooth equipment are performed, and the alarm signal is transmitted to the paired bluetooth equipment via the bluetooth network; S5, and the alarm signal is received by the bluetooth equipment, and a prompting signal is generated and emitted to prompt people outside the automobile to check alarm information. Temperature and poisonous gas in the automobile can be accurately and comprehensively monitored in real time, and the alarm information can be timely transmitted via the bluetooth network so that the situations of accidental heatstroke and poisoning of people in the automobile can be prevented.

Description

The alarm method of the anti-heatstroke of the automobile based on blueteeth network and system
Technical field
The present invention relates to alarm method and the system of the anti-heatstroke of a kind of automobile based on blueteeth network, belong to automotive electronics, radio network technique field.
Background technology
In recent years, automobile more and more enters in the life of average family, becomes the convenient walking-replacing tool of people's work, trip.A lot of father and mother can look after children and go out by bus together, and can run into thing in process unavoidably needs automobile away from keyboard, stays the situation of child separately in car.And father and mother worry the safety of the child stayed alone in car, often stop working and by car door from outer locked, prevent child from disorderly touching inner driver behavior device and extraneous danger.But whether this way correct?
After cutting off air conditioning for automobiles, vehicle interior temperature can change very fast.Particularly in summer, after cutting off air conditioning for automobiles, at 10 minutes at sunshine, vehicle interior temperature will rise to more than 40 DEG C from 30 DEG C.In sealed vehicle, air is dirty, and the noxious material such as hydrocarbon, carbon monoxide, oxides of nitrogen, microorganism, benzene, alkene, aromatic hydrocarbon sucks in human body, more easily causes occupant's anoxic poisoning, facilitates heatstroke to occur.Even if do not stop working after stopping, and open air-conditioning, also can the personal safety of serious threat occupant, because the race of engine can discharge more objectionable impuritiess under dead ship condition.And children lack independent behaviour ability, be difficult to send in time to father and mother and other people, warning message accurately, so that easily personal injury accident occur, cause tragedy.
Summary of the invention
The object of the invention is to, alarm method and the system of the anti-heatstroke of a kind of automobile based on blueteeth network are provided, can carry out monitoring in real time, accurately, comprehensively to vehicle interior temperature, toxic gas, send warning message in time, prevent the unexpected heatstroke of occupant, the generation of poisoning situation.
Technical scheme of the present invention is as follows:
An alarm method for the anti-heatstroke of automobile based on blueteeth network, comprises the following steps:
Whether S1, have people in monitoring car;
S2, has people if monitored in car, just starts to monitor vehicle interior temperature and concentration of toxic gases;
S3, when vehicle interior temperature or concentration of toxic gases exceed set threshold value, just generates alerting signal;
S4, automobile starting Bluetooth accessory, bluetooth equipment in hunting zone also matches with it connection, alerting signal is sent to by blueteeth network in the bluetooth equipment matched;
S5, bluetooth equipment receives alerting signal, generates and send alerting signal to check warning message to remind the outer personnel of car.
In the alarm method of the anti-heatstroke of the aforesaid automobile based on blueteeth network, also comprise:
S21, has people if monitored in car, just starts oxygen concentration in monitoring car;
S31, when oxygen concentration in car is lower than set threshold value, just generates alerting signal.
In the alarm method of the anti-heatstroke of the aforesaid automobile based on blueteeth network, in step S1, in car, whether someone is judged by pyroelectric infrared sensor or the monitoring of microwave induced human body sensor.
In the alarm method of the anti-heatstroke of the aforesaid automobile based on blueteeth network, monitor concentration of toxic gases in step S2 and comprise carbon monoxide, oxides of nitrogen and benzene.
In the alarm method of the anti-heatstroke of the aforesaid automobile based on blueteeth network, described bluetooth equipment is mobile phone, panel computer or PDA.
In the alarm method of the anti-heatstroke of the aforesaid automobile based on blueteeth network, described alerting signal comprises voice reminder signal, music reminding signal and man-machine interface display.
Realize a warning system for the anti-heatstroke of the automobile based on blueteeth network of preceding method, comprising: be located at the anti-heatstroke device of automobile of automotive interior and the bluetooth equipment of the outer personnel of car;
The anti-heatstroke device of automobile comprises human body sensor, temperature sensor, concentration of toxic gases sensor, Bluetooth accessory, threshold value memory and controller, and human body sensor, temperature sensor, concentration of toxic gases sensor, Bluetooth accessory, threshold value memory are all connected with controller;
Bluetooth equipment comprises bluetooth module, processor and prompting module, and bluetooth module is connected with Bluetooth accessory and processor respectively, and prompting module is connected with processor.
In the warning system of the anti-heatstroke of the aforesaid automobile based on blueteeth network, in the anti-heatstroke device of automobile, be also provided with the lambda sensor be connected with controller.
In the warning system of the anti-heatstroke of the aforesaid automobile based on blueteeth network, human body sensor is pyroelectric infrared sensor or microwave induced human body sensor.
In the warning system of the anti-heatstroke of the aforesaid automobile based on blueteeth network, concentration of toxic gases sensor comprises carbon monoxide transducer, NOx sensor and benzene sensor.
In the warning system of the anti-heatstroke of the aforesaid automobile based on blueteeth network, prompting module comprises chipspeech, music storage, loudspeaker and display screen, chipspeech, music storage are all connected with processor with display screen, and loudspeaker is connected with chipspeech, music storage respectively.
Compared with prior art, the present invention can carry out monitoring in real time, accurately, comprehensively to vehicle interior temperature, toxic gas and oxygen concentration, and by blueteeth network to People's warning message outside short-range car, prevent the unexpected heatstroke of occupant, the generation of poisoning situation, as long as the outer personnel of the car in Bluetooth transmission range as the take over party of warning message, can increase the chance finding trapped personnel.The structure of system of the present invention is simple, easily realizes.
Accompanying drawing explanation
Fig. 1 is the workflow diagram of the embodiment of the present invention;
Fig. 2 is the system architecture schematic diagram of the embodiment of the present invention.
Being labeled as in accompanying drawing: the anti-heatstroke device of 1-automobile, 2-bluetooth equipment, 3-temperature sensor, 4-concentration of toxic gases sensor, 5-lambda sensor, 6-Bluetooth accessory, 7-threshold value memory, 8-controller, 9-bluetooth module, 10-processor, 11-prompting module, 12-chipspeech, 13-music storage, 14-loudspeaker, 15-display screen, 16-human body sensor, 17-carbon monoxide transducer, 18-NOx sensor, 19-benzene sensor.
Embodiment
Below in conjunction with drawings and Examples, the art of this patent is further described.
Embodiments of the invention: the alarm method of the anti-heatstroke of a kind of automobile based on blueteeth network, as shown in Figure 1, comprises the following steps:
Whether S1, have people in monitoring car;
S2, has people if monitored in car, just starts to monitor vehicle interior temperature, concentration of toxic gases and oxygen concentration;
S3, when vehicle interior temperature or concentration of toxic gases exceed set threshold value, or oxygen concentration lower than set threshold value time, just generate alerting signal;
S4, automobile starting Bluetooth accessory, bluetooth equipment in hunting zone also matches with it connection, alerting signal is sent to by blueteeth network in the bluetooth equipment matched;
S5, bluetooth equipment receives alerting signal, generates and send alerting signal to check warning message to remind the outer personnel of car, and described alerting signal comprises voice reminder signal, music reminding signal and man-machine interface display.
In step S1, in car, whether someone is judged by pyroelectric infrared sensor or the monitoring of microwave induced human body sensor.
Monitor concentration of toxic gases in step S2 and comprise carbon monoxide, oxides of nitrogen and benzene.
Realize a warning system for the anti-heatstroke of the automobile based on blueteeth network of preceding method, as shown in Figure 2, comprising: be located at the anti-heatstroke device 1 of automobile of automotive interior and the bluetooth equipment 2 of the outer personnel of car.
Wherein, the anti-heatstroke device 1 of automobile comprises human body sensor 16, temperature sensor 3, concentration of toxic gases sensor 4, lambda sensor 5, Bluetooth accessory 6, threshold value memory 7 and controller 8, and human body sensor 16, temperature sensor 3, concentration of toxic gases sensor 4, lambda sensor 5, Bluetooth accessory 6, threshold value memory 7 are all connected with controller 8; Human body sensor 16 is pyroelectric infrared sensor or microwave induced human body sensor; Concentration of toxic gases sensor 4 comprises carbon monoxide transducer 17, NOx sensor 18 and benzene sensor 19.
Bluetooth equipment 2 comprises bluetooth module 9, processor 10 and prompting module 11; Bluetooth module 9 is connected with Bluetooth accessory 6 and processor 10 respectively; Prompting module 11 is connected with processor 10, prompting module 11 comprises chipspeech 12, music storage 13, loudspeaker 14 and display screen 15, chipspeech 2, music storage 13 are all connected with processor 10 with display screen 15, and loudspeaker 14 is connected with chipspeech 12, music storage 13 respectively.
Described bluetooth equipment 2 can be mobile phone, panel computer and PDA.
Principle of work of the present invention: whether have people in human body sensor 16 Real-Time Monitoring car, if monitor in car and have people, controller 8 sends signal, start-up temperature sensor 3, concentration of toxic gases sensor 4 and lambda sensor 5, detect vehicle interior temperature, concentration of toxic gases and oxygen concentration data respectively.
Described detection data can be sent to controller 8, and controller 8 reads the temperature, concentration of toxic gases, the oxygen concentration threshold value that pre-set from threshold value memory 7, and compare detecting data one by one with the threshold value preset.If there is the one of following three kinds of situations, the anti-heatstroke device 1 of automobile just generates alerting signal: the vehicle interior temperature of detection exceedes established temperature threshold value; Concentration of toxic gases exceedes set harmful gas threshold value; Oxygen concentration is lower than set oxygen threshold value.Alerting signal is transferred to the bluetooth equipment 2 of the outer personnel of car that pairing connects by Bluetooth accessory 6.
Bluetooth module 9 receives alerting signal, and processor 10 generates alerting signal, and prompting module 11 can remind the outer personnel of car to check warning message in the following manner:
1, chipspeech 12 generates voice reminder signal (such as " vehicle interior temperature exceeds standard, and please fastly return "), and is played back by loudspeaker 14;
2, processor 10 reads the prompting music pre-set stored in music storage 13, and is played back by loudspeaker 14;
3, display screen 15 automatic spring dialog box.

Claims (10)

1., based on an alarm method for the anti-heatstroke of automobile of blueteeth network, it is characterized in that, comprise the following steps:
Whether S1, have people in monitoring car;
S2, has people if monitored in car, just starts to monitor vehicle interior temperature and concentration of toxic gases;
S3, when vehicle interior temperature or concentration of toxic gases exceed set threshold value, just generates alerting signal;
S4, automobile starting Bluetooth accessory, bluetooth equipment in hunting zone also matches with it connection, alerting signal is sent to by blueteeth network in the bluetooth equipment matched;
S5, bluetooth equipment receives alerting signal, generates and send alerting signal to check warning message to remind the outer personnel of car.
2. the alarm method of the anti-heatstroke of the automobile based on blueteeth network according to claim 1, is characterized in that, also comprise:
S21, has people if monitored in car, just starts oxygen concentration in monitoring car;
S31, when oxygen concentration in car is lower than set threshold value, just generates alerting signal.
3. the alarm method of the anti-heatstroke of the automobile based on blueteeth network according to claim 1, is characterized in that: monitor concentration of toxic gases in step S2 and comprise carbon monoxide, oxides of nitrogen and benzene.
4. the alarm method of the anti-heatstroke of the automobile based on blueteeth network according to claim 1, is characterized in that: described bluetooth equipment is mobile phone, panel computer or PDA.
5. the alarm method of the anti-heatstroke of the automobile based on blueteeth network according to claim 1 and 2, is characterized in that: described alerting signal comprises voice reminder signal, music reminding signal and man-machine interface display.
6. realize a warning system for the anti-heatstroke of the automobile based on blueteeth network of method described in Claims 1 to 5, it is characterized in that: the bluetooth equipment (2) comprising the anti-heatstroke device (1) of the automobile being located at automotive interior and the outer personnel of car;
The anti-heatstroke device (1) of automobile comprises human body sensor (16), temperature sensor (3), concentration of toxic gases sensor (4), Bluetooth accessory (6), threshold value memory (7) and controller (8), and human body sensor (16), temperature sensor (3), concentration of toxic gases sensor (4), Bluetooth accessory (6), threshold value memory (7) are all connected with controller (8);
Bluetooth equipment (2) comprises bluetooth module (9), processor (10) and prompting module (11), and bluetooth module (9) is connected with Bluetooth accessory (6) and processor (10) respectively, and prompting module (11) is connected with processor (10).
7. the warning system of the anti-heatstroke of the automobile based on blueteeth network according to claim 6, is characterized in that: be also provided with the lambda sensor (5) be connected with controller (8) in the anti-heatstroke device (1) of automobile.
8. the warning system of the anti-heatstroke of the automobile based on blueteeth network according to claim 6, is characterized in that: human body sensor (16) is pyroelectric infrared sensor or microwave induced human body sensor.
9. the warning system of the anti-heatstroke of the automobile based on blueteeth network according to claim 6, is characterized in that: concentration of toxic gases sensor (4) comprises carbon monoxide transducer (17), NOx sensor (18) and benzene sensor (19).
10. the warning system of the anti-heatstroke of the automobile based on blueteeth network according to claim 6, it is characterized in that: prompting module (11) comprises chipspeech (12), music storage (13), loudspeaker (14) and display screen (15), chipspeech (12), music storage (13) are all connected with processor (10) with display screen (15), and loudspeaker (14) is connected with chipspeech (12), music storage (13) respectively.
CN201310449350.1A 2013-09-27 2013-09-27 Automobile heatstroke prevention alarm method based on bluetooth network and system thereof Pending CN104517399A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310449350.1A CN104517399A (en) 2013-09-27 2013-09-27 Automobile heatstroke prevention alarm method based on bluetooth network and system thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310449350.1A CN104517399A (en) 2013-09-27 2013-09-27 Automobile heatstroke prevention alarm method based on bluetooth network and system thereof

Publications (1)

Publication Number Publication Date
CN104517399A true CN104517399A (en) 2015-04-15

Family

ID=52792636

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310449350.1A Pending CN104517399A (en) 2013-09-27 2013-09-27 Automobile heatstroke prevention alarm method based on bluetooth network and system thereof

Country Status (1)

Country Link
CN (1) CN104517399A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105225411A (en) * 2015-09-06 2016-01-06 深圳市乐莱萌科技有限公司 A kind of vehicle-mounted human body alarm method and device
CN105329199A (en) * 2015-10-23 2016-02-17 苏文辉 Child nursing method and child nursing device applied to vehicle
CN105427530A (en) * 2015-12-08 2016-03-23 西宁共进新材料科技有限公司 Intelligent safety alarm device in car and alarm method thereof
CN105448037A (en) * 2015-12-31 2016-03-30 苏州浪尖设计整合有限公司 Automatic alarm signal transmitting and receiving system for automobile
CN105575050A (en) * 2015-12-11 2016-05-11 北京光华纺织集团有限公司 Wearable alarm device for baby asphyxia
CN106985643A (en) * 2017-04-10 2017-07-28 安徽盛润机械科技有限公司 The back door of oxygen concentration in a kind of utilization Bluetooth signal detection car body
CN107042749A (en) * 2017-04-10 2017-08-15 安徽盛润机械科技有限公司 Utilize fan-folded solar panels and the back door of the in-car oxygen of Bluetooth signal detection
CN107139872A (en) * 2017-04-10 2017-09-08 安徽盛润机械科技有限公司 A kind of back door of the in-car oxygen content of utilization fan-folded solar panels detection
CN107150567A (en) * 2017-04-07 2017-09-12 广州途威慧信息科技有限公司 A kind of in-car life entity monitoring emergency system
CN107160984A (en) * 2017-04-10 2017-09-15 安徽盛润机械科技有限公司 A kind of back door with high temperature intelligent detecting function
CN107160983A (en) * 2017-04-10 2017-09-15 安徽盛润机械科技有限公司 A kind of utilization fan-folded solar panels realize the back door of high temperature Intelligent Measurement
CN107187298A (en) * 2017-04-10 2017-09-22 安徽盛润机械科技有限公司 A kind of utilization fan-folded solar panels detect the back door of formaldehyde content of the car
CN107215183A (en) * 2017-04-10 2017-09-29 安徽盛润机械科技有限公司 It is a kind of to detect the back door of in-car oxygen concentration
CN107230320A (en) * 2017-06-23 2017-10-03 上海应用技术大学 A kind of microwave induced children lock remote alarming device in Automobile
WO2019033319A1 (en) * 2017-08-16 2019-02-21 深圳市启惠智能科技有限公司 Gas concentration detection method and server

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105225411A (en) * 2015-09-06 2016-01-06 深圳市乐莱萌科技有限公司 A kind of vehicle-mounted human body alarm method and device
CN105329199A (en) * 2015-10-23 2016-02-17 苏文辉 Child nursing method and child nursing device applied to vehicle
CN105427530A (en) * 2015-12-08 2016-03-23 西宁共进新材料科技有限公司 Intelligent safety alarm device in car and alarm method thereof
CN105575050A (en) * 2015-12-11 2016-05-11 北京光华纺织集团有限公司 Wearable alarm device for baby asphyxia
CN105448037A (en) * 2015-12-31 2016-03-30 苏州浪尖设计整合有限公司 Automatic alarm signal transmitting and receiving system for automobile
CN107150567A (en) * 2017-04-07 2017-09-12 广州途威慧信息科技有限公司 A kind of in-car life entity monitoring emergency system
CN107042749A (en) * 2017-04-10 2017-08-15 安徽盛润机械科技有限公司 Utilize fan-folded solar panels and the back door of the in-car oxygen of Bluetooth signal detection
CN107139872A (en) * 2017-04-10 2017-09-08 安徽盛润机械科技有限公司 A kind of back door of the in-car oxygen content of utilization fan-folded solar panels detection
CN106985643A (en) * 2017-04-10 2017-07-28 安徽盛润机械科技有限公司 The back door of oxygen concentration in a kind of utilization Bluetooth signal detection car body
CN107160984A (en) * 2017-04-10 2017-09-15 安徽盛润机械科技有限公司 A kind of back door with high temperature intelligent detecting function
CN107160983A (en) * 2017-04-10 2017-09-15 安徽盛润机械科技有限公司 A kind of utilization fan-folded solar panels realize the back door of high temperature Intelligent Measurement
CN107187298A (en) * 2017-04-10 2017-09-22 安徽盛润机械科技有限公司 A kind of utilization fan-folded solar panels detect the back door of formaldehyde content of the car
CN107215183A (en) * 2017-04-10 2017-09-29 安徽盛润机械科技有限公司 It is a kind of to detect the back door of in-car oxygen concentration
CN107230320A (en) * 2017-06-23 2017-10-03 上海应用技术大学 A kind of microwave induced children lock remote alarming device in Automobile
WO2019033319A1 (en) * 2017-08-16 2019-02-21 深圳市启惠智能科技有限公司 Gas concentration detection method and server

Similar Documents

Publication Publication Date Title
CN104517399A (en) Automobile heatstroke prevention alarm method based on bluetooth network and system thereof
CN203455922U (en) Heatstroke and poisoning-prevention car alarm system based on ZigBee network
CN104517400A (en) 3G network based in-car heatstroke-prevention monitoring alarm method and system
US10217344B2 (en) Noxious gas alert and remediation system
US8952800B2 (en) Prevention of texting while operating a motor vehicle
US10457200B2 (en) Abandoned occupant danger alert system
CN202481010U (en) Infrared automobile interior environment monitoring system based on controller area network (CAN) /local interconnect network (LIN) bus
CN103927846A (en) Automatic car alarm based on in-car temperature and gas detection
CN107399236A (en) Carbon monoxide detection system for motor vehicles
CN102774285A (en) Vehicle child retention alarm device
CN106846725A (en) A kind of in-car delay safety pre-warning system
CN105109402A (en) Automobile alarming device and method
CN106515575A (en) Alarm method and system for child safety seat
CN105261149B (en) Prevent that child from passing into silence the device and method in automobile
CN104097606A (en) Car window closing system
CN104517401A (en) ZigBee network based heatstroke and poisoning-prevention car alarm method and system
CN104527373A (en) Gas exhaust state monitoring method for vehicle air conditioner
CN106218354A (en) Vehicle electronic device
CN207637265U (en) A kind of node type alarm communication system
CN203455921U (en) Car heatstroke-prevention alarm system based on Bluetooth network
CN104553995A (en) Vehicle internal air condition monitoring and controlling method
CN104999985A (en) Warning device for oxygen concentration in automobile
CN104527522A (en) Gas exhaust state monitoring system for vehicle air conditioner
CN203455923U (en) 3G network-based in-car heatstroke-prevention monitoring alarm system
CN204965681U (en) Children's car seat alarm device and children's car seat

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150415