CN109398233A - A kind of interior prevention system and method for suffocating - Google Patents
A kind of interior prevention system and method for suffocating Download PDFInfo
- Publication number
- CN109398233A CN109398233A CN201811155778.4A CN201811155778A CN109398233A CN 109398233 A CN109398233 A CN 109398233A CN 201811155778 A CN201811155778 A CN 201811155778A CN 109398233 A CN109398233 A CN 109398233A
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- interior
- car owner
- module
- alarm signal
- vehicle
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Classifications
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- 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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Human Computer Interaction (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to a kind of interior asphyxia prevention system and methods, the system is with carbon dioxide sensor according to the gas concentration lwevel for detecting that in-vehicle air contains, prevention is after parking of automobile is flame-out, after if car owner leaves the living bodies such as baby or pet in the car, the system energy signal an alert and improvement air environment.
Description
Technical field
The present invention relates to Detection of Air Quality technical fields, and in particular to a kind of interior prevention system and method for suffocating.
Background technique
Improving in-car air quality situation is major automaker's problem to be solved all the time, and car belongs to one
Phenomena such as closed space of kind, people will appear fatigue, anoxic in the car, feel sleepy for a long time, and dioxy in in-vehicle air environment
The high concentration for changing carbon will affect safety of the people in driving, people is easy lethargic sleep in the car, even result in baby or pet is retained in
Car is suffocated.
Summary of the invention
In view of this, the present invention provides a kind of interior asphyxia prevention system and method, with carbon dioxide sensor according to
Detect the gas concentration lwevel that in-vehicle air contains, if prevention after parking of automobile stops working car owner by living bodies such as baby or pets
After leaving in the car, the system energy signal an alert and improvement air environment.
To achieve the above object, the present invention discloses a kind of interior asphyxia prevention system, and the system is detected by carbon dioxide
Circuit is electrically connected composition with interior control module；
The carbon dioxide detection circuit includes power module 1, is electrically connected with 1 first power output end of power module steady
Die block 2, the single-chip microcontroller 3 being electrically connected with Voltage stabilizing module 2, the transmission module 4 being connect with 3 first signal end of single-chip microcontroller, with transmission
Module 4 is electrically connected carbon dioxide sensor 5, the transceiver module 6 connecting with 3 second signal end of single-chip microcontroller.
The 1 second source output end of power module is connected with 5 power input of carbon dioxide sensor.
In the above-mentioned technical solutions, the power module 1 uses DC-DC circuit, and the Voltage stabilizing module 2 uses LDO low pressure
Difference linear constant voltage regulator, the single-chip microcontroller 3 use chip ATSAMDA1E15B, and the transmission module 4 uses the universal asynchronous receipts of UART
Transmitter is sent out, the transceiver module 6 uses LIN bus transceiving chip TJA1021LIN.
In the above-mentioned technical solutions, the transceiver module 6 is electrically connected with interior control module and is communicated.
Invention additionally discloses a kind of interior asphyxia prevention methods, the described method comprises the following steps:
S1, after vehicle parking is flame-out, interior control module automatically turns on life and leaves detection pattern；
The concentration of carbon dioxide, data are sent to single-chip microcontroller and judge vehicle in S2, carbon dioxide sensor detection in-vehicle air
Whether interior air environment is in the hole, and is sent to interior control module by transceiver module；
The signal meeting signal an alert that S3, interior control module receive transceiver module notifies car owner, and car owner is according to car
Current condition controls air-conditioning or windowing to improve in-vehicle air environment, alarm signal is persistently sent out if car owner is unresponsive and from master control
Air-conditioning processed or windowing improve in-vehicle air environment.
In the above-mentioned technical solutions, sending alarm signal after vehicle parking is flame-out in the step S3 includes following step
It is rapid:
If S31, detection pattern detection automobile are lighted a fire again, detection pattern is closed, into car travel mode；
If S32, detecting concentration 500PPM when current gas concentration lwevel is higher than parking, alarm signal is issued to car owner；
If S33, interior control module detect that vehicle interior temperature is higher than 30 degree and currently gas concentration lwevel is higher than parking
Concentration 200PPM then issues alarm signal to car owner, if detection vehicle interior temperature obtains two group two higher than 30 degree and after three minutes every
Carbonoxide concentration data calculates slope twice and is both greater than 1.2, then issues alarm signal to car owner；
If S34, detection vehicle interior temperature take two groups of gas concentration lwevel data to calculate two less than 25 degree and after every three minutes
Secondary slope is both greater than 1.8, then issues alarm signal to car owner.
In the above-mentioned technical solutions, send alarm signal post-processing approach the following steps are included:
If S301, car owner remotely receive alarm signal and open air-conditioning, car owner opens vehicle device air-conditioning, and it is logical to open outer circulation
Wind；
If S302, car owner remotely receive alarm signal opened skylight, car owner's opened skylight；
If S303, car owner are unresponsive, air-conditioning is automatically turned on until temperature is down to 25 degree hereinafter, gas concentration lwevel is down to
500 or so, and continue to send out alarm signal.
In the above-mentioned technical solutions, vehicle interior temperature is detected lower than 25 degree, and when gas concentration lwevel is lower than parking, and is given birth to
It is unchanged that life leaves temperature and gas concentration lwevel after detection time continues 15 minutes, then automobile by life leave detection pattern into
Enter sleep pattern.
A kind of interior asphyxia prevention system of the present invention and method, have the advantages that this system can be examined effectively in real time
Situation in measuring car carrys out the case where current car of discriminatory analysis leaves life in conjunction with inside and outside temperature with gas concentration lwevel classification,
Monitored after life is left can initiative alarming notify car owner, if car owner does not reply in certain time, according to interior dioxy
Change carbon environmental aspect, automobile will control vehicle window, skylight, air-conditioning etc. voluntarily to adjust environment inside car situation.
Detailed description of the invention
Fig. 1 is a kind of module map of interior asphyxia prevention system of the present invention；
Fig. 2 is a kind of flow chart of interior asphyxia prevention method of the present invention；
1- power module, 2- Voltage stabilizing module, 3- single-chip microcontroller, 4- transmission module, 5- carbon dioxide sensor, 6- receive and dispatch mould
Block.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing, and the present invention provides a kind of interior asphyxia prevention system,
It is formed as shown in Figure 1, the system is electrically connected by carbon dioxide detection circuit with interior control module；
The carbon dioxide detection circuit includes power module 1, is electrically connected with 1 first power output end of power module steady
Die block 2, the single-chip microcontroller 3 being electrically connected with Voltage stabilizing module 2, the transmission module 4 being connect with 3 first signal end of single-chip microcontroller, with transmission
Module 4 is electrically connected carbon dioxide sensor 5, the transceiver module 6 connecting with 3 second signal end of single-chip microcontroller.
The 1 second source output end of power module is connected with 5 power input of carbon dioxide sensor.
Wherein, the power module 1 uses DC-DC circuit, and the Voltage stabilizing module 2 uses LDO low pressure difference linear voltage regulator,
The single-chip microcontroller 3 uses chip ATSAMDA1E15B, and the transmission module 4 uses UART universal asynchronous receiving-transmitting transmitter, described
Transceiver module 6 uses LIN bus transceiving chip TJA1021LIN.
Wherein, the voltage of external 8-16V is converted to 5V voltage to Voltage stabilizing module 2 and carbon dioxide by the power module 1
Sensor 5 is powered, and input 5V voltage is converted to 3.3V voltage and powered to single-chip microcontroller 3 by the Voltage stabilizing module 2, the external 8-
16V voltage is powered to transceiver module 6.
Wherein, the transceiver module 6 is electrically connected with interior control module and is communicated.
After parking of automobile is flame-out, in-vehicle secondary battery is to power module, transceiver module and interior control module power supply.
The present invention also provides a kind of interior asphyxia prevention methods, the described method comprises the following steps:
S1, after vehicle parking is flame-out, interior control module automatically turns on life and leaves detection pattern；
The concentration of carbon dioxide, data are sent to single-chip microcontroller and judge vehicle in S2, carbon dioxide sensor detection in-vehicle air
Whether interior air environment is in the hole, and is sent to interior control module by transceiver module；
The signal meeting signal an alert that S3, interior control module receive transceiver module notifies car owner, and car owner is according to car
Current condition controls air-conditioning or windowing to improve in-vehicle air environment, alarm signal is persistently sent out if car owner is unresponsive and from master control
Air-conditioning processed or windowing improve in-vehicle air environment.
Wherein, software systems are associated with vehicle control system in car owner's mobile phone, and the alarm signal of sending is sent to car owner's hand
Car owner is reminded in machine software systems.
Wherein, according to the concentration of different carbon dioxide, following symptom can be generated, as shown in table 1；
Wherein, send alarm signal after vehicle parking is flame-out in the step S3 the following steps are included:
If S31, detection pattern detection automobile are lighted a fire again, detection pattern is closed, into car travel mode；
If S32, detecting concentration 500PPM when current gas concentration lwevel is higher than parking, alarm signal is issued to car owner；
If S33, interior control module detect that vehicle interior temperature is higher than 30 degree and currently gas concentration lwevel is higher than parking
Concentration 200PPM then issues alarm signal to car owner, if detection vehicle interior temperature obtains two group two higher than 30 degree and after three minutes every
Carbonoxide concentration data calculates slope twice and is both greater than 1.2, then issues alarm signal to car owner；
If S34, detection vehicle interior temperature take two groups of gas concentration lwevel data to calculate two less than 25 degree and after every three minutes
Secondary slope is both greater than 1.8, then issues alarm signal to car owner.
Wherein, send alarm signal post-processing approach the following steps are included:
If S301, car owner remotely receive alarm signal and open air-conditioning, car owner opens vehicle device air-conditioning, and it is logical to open outer circulation
Wind；
If S302, car owner remotely receive alarm signal opened skylight, car owner's opened skylight；
If S303, car owner are unresponsive, air-conditioning is automatically turned on until temperature is down to 25 degree hereinafter, gas concentration lwevel is down to
500 or so, and continue to send out alarm signal.
Wherein, vehicle interior temperature is detected lower than 25 degree, and when gas concentration lwevel is lower than stopping, and when life leaves detection
Between continue 15 minutes after temperature and gas concentration lwevel it is unchanged, then automobile leaves detection pattern by life and enters sleep pattern.
The part not illustrated in specification is the prior art or common knowledge.Present embodiment is merely to illustrate the hair
It is bright, rather than limit the scope of the invention, the modifications such as equivalent replacement that those skilled in the art make the present invention are recognized
To be fallen into invention claims institute protection scope.
Claims (7)
1. a kind of interior asphyxia prevention system, which is characterized in that the system is by carbon dioxide detection circuit and interior control mould
Block electrical connection composition；
The carbon dioxide detection circuit includes power module (1), is electrically connected with (1) first power output end of power module steady
Die block (2), the single-chip microcontroller (3) being electrically connected with Voltage stabilizing module (2), the transmission module being connect with (3) first signal end of single-chip microcontroller
(4), carbon dioxide sensor (5) are electrically connected with transmission module (4), the transceiver module connecting with single-chip microcontroller (3) second signal end
(6)。
Power module (1) the second source output end is connected with carbon dioxide sensor (5) power input.
2. a kind of interior asphyxia prevention system according to claim 1, which is characterized in that the power module (1) uses DC-
DC circuit, the Voltage stabilizing module (2) use LDO low pressure difference linear voltage regulator, and the single-chip microcontroller (3) uses chip
ATSAMDA1E15B, the transmission module (4) use UART universal asynchronous receiving-transmitting transmitter, and the transceiver module (6) uses LIN
Bus transceiving chip TJA1021LIN.
3. a kind of interior asphyxia prevention system according to claim 1, which is characterized in that the transceiver module (6) and car
Control module electrical connection is communicated.
4. a kind of interior asphyxia prevention method, which is characterized in that the described method comprises the following steps:
S1, after vehicle parking is flame-out, interior control module automatically turns on life and leaves detection pattern；
The concentration of carbon dioxide in S2, carbon dioxide sensor detection in-vehicle air, it is interior empty that data are sent to single-chip microcontroller judgement
Whether compression ring border is in the hole, and is sent to interior control module by transceiver module；
The signal meeting signal an alert that S3, interior control module receive transceiver module notifies car owner, and car owner is according to interior existing
Situation controls air-conditioning or windowing to improve in-vehicle air environment, and persistently simultaneously autonomous control is empty for hair alarm signal if car owner is unresponsive
It adjusts or windowing improves in-vehicle air environment.
5. a kind of interior asphyxia prevention method according to claim 4, which is characterized in that in vehicle parking in the step S3
Send alarm signal after flame-out the following steps are included:
If S31, detection pattern detection automobile are lighted a fire again, detection pattern is closed, into car travel mode；
If S32, detecting concentration 500PPM when current gas concentration lwevel is higher than parking, alarm signal is issued to car owner；
If S33, interior control module detect that vehicle interior temperature is higher than 30 degree and current gas concentration lwevel is higher than concentration when stopping
200PPM then issues alarm signal to car owner, if detection vehicle interior temperature obtains two groups of titanium dioxides higher than 30 degree and after three minutes every
Concentration of carbon data calculate slope twice and are both greater than 1.2, then issue alarm signal to car owner；
If S34, detection vehicle interior temperature take two groups of gas concentration lwevel data calculating oblique twice less than 25 degree and after every three minutes
Rate is both greater than 1.8, then issues alarm signal to car owner.
6. a kind of interior asphyxia prevention method according to claim 5, which is characterized in that send alarm signal post-processing approach
The following steps are included:
If S301, car owner remotely receive alarm signal and open air-conditioning, car owner opens vehicle device air-conditioning, and opens outer circulation ventilation；
If S302, car owner remotely receive alarm signal opened skylight, car owner's opened skylight；
If S303, car owner are unresponsive, air-conditioning is automatically turned on until temperature is down to 25 degree hereinafter, gas concentration lwevel is down to 500
Left and right, and continue to send out alarm signal.
7. a kind of interior asphyxia prevention method according to claim 6, which is characterized in that detect vehicle interior temperature lower than 25
Degree, and when gas concentration lwevel is lower than parking, and life leaves temperature and gas concentration lwevel after detection time continues 15 minutes
Unchanged, then automobile leaves detection pattern by life and enters sleep pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811155778.4A CN109398233A (en) | 2018-09-30 | 2018-09-30 | A kind of interior prevention system and method for suffocating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811155778.4A CN109398233A (en) | 2018-09-30 | 2018-09-30 | A kind of interior prevention system and method for suffocating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109398233A true CN109398233A (en) | 2019-03-01 |
Family
ID=65466668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811155778.4A Pending CN109398233A (en) | 2018-09-30 | 2018-09-30 | A kind of interior prevention system and method for suffocating |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115871556A (en) * | 2022-11-29 | 2023-03-31 | 重庆长安汽车股份有限公司 | Intelligent alarm method and device for vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115871556A (en) * | 2022-11-29 | 2023-03-31 | 重庆长安汽车股份有限公司 | Intelligent alarm method and device for vehicle |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190301 |
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