CN107264223A - A kind of monitoring in real time of the in-car gas of motor vehicle and alarm life saving system - Google Patents
A kind of monitoring in real time of the in-car gas of motor vehicle and alarm life saving system Download PDFInfo
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- CN107264223A CN107264223A CN201710427245.6A CN201710427245A CN107264223A CN 107264223 A CN107264223 A CN 107264223A CN 201710427245 A CN201710427245 A CN 201710427245A CN 107264223 A CN107264223 A CN 107264223A
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- car
- microcontroller
- gas
- monitoring
- real time
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/008—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being air quality
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00828—Ventilators, e.g. speed control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical 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
- B60R21/01512—Passenger detection systems
- B60R21/0153—Passenger detection systems using field detection presence sensors
- B60R21/01534—Passenger detection systems using field detection presence sensors using electromagneticwaves, e.g. infrared
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Human Computer Interaction (AREA)
- Electromagnetism (AREA)
- Air-Conditioning For Vehicles (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention provides a kind of monitoring in real time of the in-car gas of motor vehicle and alarm life saving system, including micro controller system, monitoring system and warning system, the monitoring system includes gas detecting system and biological detection system；The warning system includes speech prompting system, condenser type LCD LCD MODULEs, input key system；The micro controller system connects executing agency.The present invention can be detected by microprocessor control related sensor automobile in parking it is in-car whether someone and pet leave in the car, the concentration of the gas such as the content of toxic gas and oxygen and carbon monoxide, communicated by CAN with vehicle-mounted ECU, and then control ventilation fan exhaust to update in-car air, exclude toxic gas, in-car malaria can be changed into the air dried outside car simultaneously, in-car humidity is reduced, is reduced due to the injury that automobile closed is caused.Detection sensitivity of the present invention is high, and False Rate is extremely low, working stability, therefore with very high reliability.
Description
Technical field
Supervised in real time the present invention relates to automobile safety guard system technical field, more particularly to a kind of in-car gas of motor vehicle
Control and alarm life saving system.
Technical background
With the fast development of automobile industry, in-vehicle air pollution also turns into a major issue for threatening health of people,
Environment inside car quality has been attracted wide attention, and the toxic gas such as carbon monoxide has had a strong impact on the life peace of passenger
Entirely.Once news report cross numerical example because sleep of turning on the aircondition in the car cause occupant because of anoxic death by suffocation, also have handle
Virgin and pet omits the relevant report for the accident for causing to occur injures and deaths in the car.Certainly in exposure automobile of the summer by sunlight
Some articles produced the health that the toxic gas such as formaldehyde has seriously endangered passenger by thermal decomposition.To ensure vehicle occupant
The health and life security of member, in-car gas componant environment is carried out effectively monitoring and early warning have become one it is urgently to be resolved hurrily
Problem.
A kind of automobile harmful gas detection alarm of the disclosure of the invention of Patent No. 201510120532.3, for in-car
Automatic alarm when pernicious gas is exceeded.Controller respectively with carbon monoxide transducer, carbon dioxide sensor, indicator lamp, swash
The laser lamp of light device, car alarm trigger, buzzer, mobile module, power supply, battery connection, car alarm trigger
It is connected with automotive anti-theft alarming system, Mobile phone card is inserted with mobile module, is connected by communication interface with controller；Carbon monoxide
Gas content in sensor, carbon dioxide sensor collecting vehicle, is compared with the dangerous values of alarm inner setting, more than alarming value
Afterwards, controller makes buzzer produce alarm, while the anti-theft alarm system on car alarm trigger triggering automobile, and lead to
Cross mobile module and send alarming short message to car owner, laser-projector launches emergency pattern on car glass.The invention can facilitate road
People has found human life's safety in problem car, service truck.Simple in construction, intelligence degree is high.
The invention of Patent No. 201610301599.1 is related to a kind of automotive safety detection method, including：Obtain automobile hair
Exhaust pressure value at motivation exhaust outlet；When the exhaust pressure value reaches predetermined value, automobile exhaust purifier is gone out
The tail gas of mouth is detected；Judge harmful gas emission in vehicle exhaust whether more than the first threshold according to the result of detection
Value；If so, then obtain temperature in automobile current driving speed and automobile bodies, and it is less than the in the automobile current driving speed
When temperature is more than three threshold values in two threshold values and the automobile bodies, instruction is sent by automobile electric control system, control is all
Automobile side-window is closed, and automatically opens up air conditioning for automobiles and vehicle dormer window.Vehicle exhaust is to compartment when the invention can reduce traffic congestion
The harm of interior passenger, ensures the physical safety of passenger.
However, research is found by inquiry, at present on automobile on the market all also without corresponding in-car oxygen, have poison gas
The detection means of body, air humidity, it is impossible to which timely and effectively updating the air of in-car causes occur asphyxia casualty accident, so anxious
A kind of automobile safety protection system is needed, the life security that toxic gas updates member in in-car air, service truck can be effectively excluded.
The content of the invention
It is an object of the invention to the shortcoming for overcoming above-mentioned prior art, there is provided a kind of in-car oxygen and toxic gas are real
When monitor and detection control alarm and life saving system, by by associated gas sensor, at the microprocessor of high reliability
Related data is managed, in-car gas componant is analyzed, and controls the related executing agency of in-car, toxic gas is timely excluded and updates
In-car air, the effective guarantee life security of in-car member.
To achieve the above object, present invention employs following technical scheme：A kind of monitoring in real time of the in-car gas of motor vehicle and
Alarm life saving system, including micro controller system, monitoring system and warning system, the monitoring system and the warning system point
It is not connected by network system with the micro controller system；The network system includes mobile phone beehive network system；The prison
Control system includes gas detecting system and biological detection system；The warning system includes speech prompting system, condenser type LCD liquid
Brilliant display module, input key system；The micro controller system connects executing agency.
Further, the mobile phone beehive network system include information processing microcontroller and respectively with described information
Manage gsm module, the LTE network module of microcontroller connection.
Further, the phonetic warning system connects including audio alert chip and respectively with the audio alert chip
The buzzer that connects, voice alarm circuit.
Further, the biological detection system include be sequentially connected with pyroelectric infrared sensor, signal filter circuit,
Signal amplification circuit.
Further, the condenser type LCD LCD MODULEs are shown including LCD display and respectively with the LCD
The LCD display control circuits of device connection, transistor, the input key system include button inputting circuits.
Further, the micro controller system includes 32 8-digit microcontrollers, and the microcontroller connects peripheral circuit.
Further, the executing agency is by micro controller system control, including car ventilation system and drive control electricity
Road.
Further, realize that the in-car gas of motor vehicle of the present invention is monitored in real time and the method for alarm life saving system function is：
1）When automobile parking, whether pyroelectric infrared sensor detection in-car has biological delay in the car, and sensor will be detected
To echo signal deliver to filter amplification circuit, be converted into stable electric signal, be then sent to A/D change-over circuits, turn by A/D
Change after circuit conversion, the data signal obtained after conversion is sent to microcontroller, microcontroller docking by I/O serial ports
The echo signal of receipts such as is analyzed, calculated, being contrasted at the processing, and microcontroller produces corresponding control instruction；
2）When pyroelectric infrared sensor has detected biological delay in the car, microcontroller produces dependent instruction, makes all types of
Gas sensor be in normal operating conditions；
3）The echo signal detected is delivered to filter amplification circuit by gas sensor, is converted into stable electric signal, is then sent
To A/D change-over circuits, after the conversion of A/D change-over circuits, the data signal obtained after conversion is transmitted by I/O serial ports
To microcontroller, the processing such as microcontroller is analyzed the echo signal of reception, calculated, contrasted, result will be sent extremely
Shown on LCD LCD screens；
4）If in-car concentration of toxic gases is less than predetermined threshold value, microcontroller production beyond predetermined threshold value or oxygen concentration
Give birth to and send dependent instruction；
5）Microcontroller sends the ventilation fan of instruction unpack automobile, in-car toxic gas is excluded in time, now voice message system
System sends sound, reminds in-car occupant, and system sends message by beehive network systems such as GPRS and informs that car owner is related in-car
Relevant information, can make car owner go in-car observe conditions to be effectively prevented from the generation of casualty accident in time；
6）If microcontroller detects in-car gaseous environment and returns to normal level, microcontroller, which sends instruction, stops ventilation fan
Only work and enter holding state, if now the concentration of toxic gases too high or oxygen concentration that remains unchanged is still too low, microcontroller
Instruction can be sent and allow ventilation fan continuous firing untill in-car gaseous environment returns to normal level.
The beneficial effects of the present invention are：
The present invention devises in-car oxygen concentration, pernicious gas composition and concentration detection system, to in-car carbon monoxide, oxygen,
The gases such as carbon dioxide and temperature, humidity carry out monitoring and early warning in real time, if necessary self-starting emergency measure, it is ensured that will endanger
It is reduced to lower degree.Avoid driver from being injured by caused by toxic gas and anoxic, and children and animal are omitted
Cause the accident of injures and deaths in closed car.This invention can be prevented effectively from personal injury and property loss.The present invention is except that can apply
It can also be arranged in automobile in the residential houses of people, there is substantial amounts of resident to be heated up water using natural gas in China and warm oneself and do
Meal, northern area also there is resident to be carried out in the winter time using coal heating anthracemia accident is of common occurrence, the present invention can be with
The generation of such accident is prevented effectively from, so, the design of the system is based on global strategic concerns, and the recoverable amount of automobile is many
Many, the life with everyone is closely bound up, therefore with being widely applied very much scope and very high practical value.
Brief description of the drawings
Fig. 1 is object detection system basic structure sketch.
Fig. 2 are working-flow sketches.
Fig. 3 is information transmitting system structure diagram.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
With the fast development of automobile industry, in-vehicle air pollution also turns into a major issue for threatening health of people,
Environment inside car quality has been attracted wide attention, to ensure the health and life security of occupant, to in-car gas componant
Environment carries out effectively monitoring and has become a urgent problem to be solved with early warning.
As shown in Figure 1 to Figure 3, the present invention is provided the monitoring in real time of the in-car gas of motor vehicle and alarm life saving system, including
Micro controller system, monitoring system and warning system, the monitoring system and the warning system respectively by network system with
The micro controller system connection；The network system includes mobile phone beehive network system；The monitoring system is examined including gas
Examining system and biological detection system；The warning system includes speech prompting system, condenser type LCD LCD MODULEs, button
Input system；The micro controller system connects executing agency.
Mobile phone beehive network system includes signal transmitting and receiving antenna, wireless transport module, information processing chip, bus communication mould
Block.Bus communication module obtains the signal that microcontroller is sent from bus, and will be sent to information processing after signal transacting
Module, message processing module will be sent to wireless transport module after information transcoding, and then wireless communication module is by receiving and dispatching day
Line communicates information to base station.The system can also receive the extraneous relevant instruction information sent simultaneously.
Gas detecting system includes a series of gas sensor, signal amplification and A/D converter circuit, temperature, humidity sensor
Device, transistor.Gas sensor can detect the concentration of in-car carbon monoxide, oxygen, carbon dioxide in real time.Signal amplify and
At the amplified circuit amplification of faint analog signal that A/D converter circuit can detect gas sensor and A/D converter circuit
Be converted into after reason can for microcontroller read data signal and microcontroller is sent to by bus.Temperature, humidity sensor
Device can detect the real time temperature and appropriateness of in-car, and send relevant information to microcontroller.Transistor can control sensing
The break-make of the electric power system of device, transistor is by micro controller system control.Gas sensor will possess that power consumption is extremely low, detection range
Extensively, sensitivity is high, reaction is fast, long lifespan, application circuit is simple, small volume the characteristics of.A/D change-over circuits have low-power consumption, height
The features such as speed, Serial output.
Biological detection system includes pyroelectric infrared sensor, transistor.Pyroelectric infrared sensor can detect automobile
It is whether in-car has biology to leave in the car in parking, multiple pyroelectric infrared sensors is arranged in the car to improve the system
Stability and dependability.Transistor is by microprocessor control, and transistor can control pyroelectric infrared sensor power supply circuit
Break-make.
Speech prompting system includes voice message chip, buzzer, voice warning circuit.In the voice message chip
Voice message content can be prepared in advance by computer, and the speech prompting system receives the control signal that microcontroller is produced,
And according to control signal come the conducting and disconnection of control voice cue circuit, and then the work shape residing for control voice prompt system
State.
Condenser type LCD LCD MODULEs and input key system include lcd touch screen and its control circuit, button
And its circuit, transistor.LCD screen can show the concentration, in-car humiture, related setting of the various gases detected.
User can set the related of system set, input reserved phone number by touch-screen or button.
Micro controller system includes the peripheral circuit of microcontroller and its correlation.Microcontroller needs to receive and handles all kinds of
The various analog and digital signals that type sensor is sended over, can also store the related of user's setting and set and reserved mobile phone
Number and data can be protected not lose in the power-off state.Microcontroller needs the presentation of information after part is handled in liquid
On crystal display, so that driver reads relevant information in real time.Microcontroller also to control automobile by micro controller system
The executing agency of control.Microcontroller can control the power supply circuit of various sensors to make whole system enter resting state
The power consumption of reduction system.The executing agency controlled by micro controller system include automobile ventilation fan, window lifting motor and its
Drive circuit.Microcontroller controls the working condition of automobile ventilation fan by sending signal, when receiving what microcontroller was sent
Ventilation fan opens the toxic gas for timely discharging in-car during signal.
In view of also no Related product in current automobile, while to solve relevant issues present in life, the present invention
Infrared sensor is released by heat and detects whether automobile has biology to leave in the car in parking, if detecting in-car has biology, oxygen
Gas and toxic gas sensor are detected to in-car gas componant, and testing result is sent into microcontroller by CAN
Analyzed and processed, if detected, oxygen concentration is normal, and system, which enters resting state, is preferably minimized the power consumption of system, if
Detect that oxygen concentration is too low or concentration of toxic gases is too high, microcontroller can send dependent instruction, will be instructed and sent out by CAN
Execution unit is given, execution unit can open car ventilation system（Ventilation fan）In-car pernicious gas composition is excluded in time, more
Air in new car（Can automatic closing automobile air exchange system if in-car gas componant returns to normal level system）, and pass through
In-car relevant information is sent to car owner so that car owner returns to in-car in time by the cellular networks such as GSM, LTE by the form of short message
Check, so as to avoid occurring casualty accident, ensure the life security of passenger.The present invention will be examined by LCD liquid crystal displays
The toxic gas measured is shown on screen, and car owner can recognize the gas station of in-car in real time.
In practical application, the present invention can also be arranged in the residential houses of people except that can apply in automobile,
China have substantial amounts of resident using natural gas heat up water heating and cook, northern area also has resident to be carried out in the winter time using coal
Anthracemia accident of warming oneself is of common occurrence, the present invention it is possible to prevente effectively from the generation of such accident, so, the system is set
Meter scheme is based on global strategic concerns, and the recoverable amount of automobile is numerous, and the life with everyone is closely bound up, therefore with very wide
General application and very high practical value.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, the general technology people of this area
Member using the solution of the present invention it will be recognized that can also realize many optional embodiments.It is all in the spirit and principles in the present invention
Within any modifications, equivalent substitutions and improvements for being made etc., should be included in the scope of the protection.
Claims (8)
1. a kind of monitoring in real time of the in-car gas of motor vehicle and alarm life saving system, it is characterised in that：Including micro controller system, prison
Control system and warning system, the monitoring system pass through network system and the micro controller system respectively with the warning system
Connection；The network system includes mobile phone beehive network system；The monitoring system includes gas detecting system and biological detection
System；The warning system includes speech prompting system, condenser type LCD LCD MODULEs, input key system；The micro-control
Device system processed connects executing agency.
2. the monitoring in real time of the in-car gas of motor vehicle as claimed in claim 1 and alarm life saving system, it is characterised in that：The mobile phone honeybee
Nest network system includes information processing microcontroller and handles gsm module, LTE that microcontroller is connected with described information respectively
Mixed-media network modules mixed-media.
3. the monitoring in real time of the in-car gas of motor vehicle as claimed in claim 1 and alarm life saving system, it is characterised in that：The voice reporting
Alert system includes audio alert chip and the buzzer being connected respectively with the audio alert chip, voice alarm circuit.
4. the monitoring in real time of the in-car gas of motor vehicle as claimed in claim 1 and alarm life saving system, it is characterised in that：The biological inspection
Examining system includes pyroelectric infrared sensor, signal filter circuit, the signal amplification circuit being sequentially connected with.
5. the monitoring in real time of the in-car gas of motor vehicle as claimed in claim 1 and alarm life saving system, it is characterised in that：The condenser type
LCD LCD MODULEs include LCD display and the LCD display control circuits being connected respectively with the LCD display, crystal
Pipe, the input key system includes button inputting circuits.
6. the monitoring in real time of the in-car gas of motor vehicle as claimed in claim 1 and alarm life saving system, it is characterised in that：The microcontroller
Device system includes 32 8-digit microcontrollers, and the microcontroller connects peripheral circuit.
7. the monitoring in real time of the in-car gas of motor vehicle as claimed in claim 1 and alarm life saving system, it is characterised in that：The execution machine
Structure is by micro controller system control, including car ventilation system and drive control circuit.
8. the monitoring in real time of the in-car gas of motor vehicle as claimed in claim 1 and alarm life saving system, it is characterised in that realize system
System function method be：
Step 1：When automobile parking, whether pyroelectric infrared sensor detection in-car has biological delay in the car, and sensor will
The echo signal detected delivers to filter amplification circuit, is converted into stable electric signal, is then sent to A/D change-over circuits, passes through
After the conversion of A/D change-over circuits, the data signal obtained after conversion is sent to microcontroller, microcontroller by I/O serial ports
Device such as is analyzed the echo signal of reception, calculated, being contrasted at the processing, and microcontroller produces corresponding control instruction；
Step 2：When pyroelectric infrared sensor has detected biological delay in the car, microcontroller produces dependent instruction, makes each
The gas sensor of type is in normal operating conditions；
Step 3：The echo signal detected is delivered to filter amplification circuit by gas sensor, is converted into stable electric signal, so
After deliver to A/D change-over circuits, by A/D change-over circuits conversion after, the data signal obtained after conversion is passed through I/O serial ports
It is sent to microcontroller, the processing such as microcontroller is analyzed the echo signal of reception, calculated, contrasted, result will be sent out
Deliver on LCD LCD screens and show；
Step 4：If in-car concentration of toxic gases is less than predetermined threshold value, microcontroller beyond predetermined threshold value or oxygen concentration
Device produces and sends dependent instruction；
Step 5：Microcontroller sends the ventilation fan of instruction unpack automobile, and in-car toxic gas is excluded in time, and now voice is carried
Show system sounds, remind in-car occupant, system sends message by beehive network systems such as GPRS and informs that car owner is related
In-car relevant information, can make car owner go in-car observe conditions to be effectively prevented from the generation of casualty accident in time；
Step 6：If microcontroller detects in-car gaseous environment and returns to normal level, microcontroller, which sends instruction, makes ventilation
Fan is stopped and enters holding state, if now the concentration of toxic gases too high or oxygen concentration that remains unchanged is still too low, micro-control
Device processed can send instruction and allow ventilation fan continuous firing untill in-car gaseous environment returns to normal level.
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| CN201710427245.6A CN107264223A (en) | 2017-06-08 | 2017-06-08 | A kind of monitoring in real time of the in-car gas of motor vehicle and alarm life saving system |
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| CN201710427245.6A CN107264223A (en) | 2017-06-08 | 2017-06-08 | A kind of monitoring in real time of the in-car gas of motor vehicle and alarm life saving system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108171927A (en) * | 2017-12-28 | 2018-06-15 | 广东松山职业技术学院 | Vehicle protection child's security alerting system |
| CN109431144A (en) * | 2018-10-27 | 2019-03-08 | 李代全 | A kind of chair |
| CN110254347A (en) * | 2019-06-04 | 2019-09-20 | 佛山科学技术学院 | A kind of automotive safety monitoring system |
| CN111505207A (en) * | 2020-04-17 | 2020-08-07 | 一汽奔腾轿车有限公司 | Vehicle-mounted environment monitoring device |
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| CN108171927A (en) * | 2017-12-28 | 2018-06-15 | 广东松山职业技术学院 | Vehicle protection child's security alerting system |
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| CN110254347A (en) * | 2019-06-04 | 2019-09-20 | 佛山科学技术学院 | A kind of automotive safety monitoring system |
| CN111505207A (en) * | 2020-04-17 | 2020-08-07 | 一汽奔腾轿车有限公司 | Vehicle-mounted environment monitoring device |
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Application publication date: 20171020 |
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| RJ01 | Rejection of invention patent application after publication |