CN104691273A - Intelligent ventilation system of automobile and control method of intelligent ventilation system - Google Patents
Intelligent ventilation system of automobile and control method of intelligent ventilation system Download PDFInfo
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- CN104691273A CN104691273A CN201510016100.8A CN201510016100A CN104691273A CN 104691273 A CN104691273 A CN 104691273A CN 201510016100 A CN201510016100 A CN 201510016100A CN 104691273 A CN104691273 A CN 104691273A
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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
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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
- B60H1/00814—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
- B60H1/00835—Damper doors, e.g. position control
- B60H1/00849—Damper doors, e.g. position control for selectively commanding the induction of outside or inside air
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides an intelligent ventilation system of an automobile and a control method of the intelligent ventilation system. The system comprises a detection unit, a control unit, a ventilation unit and a warning unit; the system monitors concentration of oxygen, carbon monoxide, carbon dioxide, formaldehyde, smoke and the like in the automobile in real time by the aid of the detection unit, when the corresponding concentration in the air does not conform to human health and comfort standards, the control unit starts an external circulation system of the automobile and drives an automobile window motor to control windows to be opened automatically, and ventilation in the automobile is finished in the shortest time; when the system detects that the air quality is up to the standards, ventilation is stopped timely; the air quality of the space in the automobile is ensured to be good all the time, so that the health and the life safety of a driver are maintained. The system is reasonable in design and high in practicability.
Description
Technical field
The present invention relates to vehicle carried air exchanging field, be specifically related to a kind of automobile intelligent air exchange system and control method thereof.
Background technology
Even to this day automobile has become the indispensable landway traffic tool of people, almost each family at least has one to two automobiles, and along with the development of automobile manufacturing process, the air-tightness of present automobile is also become better and better, some automobiles almost achieve automotive interior and entirely block with outside air, thus cause air impact health in a series of car, the even event of threat to life safety.
The air-conditioning storing tank of most of automobile can not carry out real-time switching on the market at present, and the air quality that people are enjoyed in car is very low, and this just directly threatens health and the impact comfort level by bus of people.Also indirectly cause a large amount of traffic accident that fatigue driving causes because the traffic accident, particularly truck driver of the low dispirited initiation of the chaufeur state of mind caused of in-car air quality are stayed up late miserable especially simultaneously.Just urgent all the more to the demand of the detection of vehicle air quality and purification in this context.
Summary of the invention
The application is by providing a kind of automobile intelligent air exchange system and control method thereof, the setting threshold of oxygen, carbonic oxide, carbon dioxide, formaldehyde, smog isoconcentration and its storage inside in the air of detecting unit Real-time Collection contrasts by control unit, when respective concentration in air does not meet health and comfort criterion, start ventilating unit and send warning, health is affected, the even technical matters of threat to life safety to solve atmosphere draught-free in car.
For solving the problems of the technologies described above, the application is achieved by the following technical solutions:
A kind of automobile intelligent air exchange system, comprises detecting unit, control unit, alarm unit, ventilating unit, described detecting unit connects the input end of described control unit, described alarm unit, the mouth of ventilating unit connection control unit, wherein, described detecting unit comprises oxygen concentration sensor, carbon-monoxide concentration sensor, gas concentration lwevel sensor, concentration of formaldehyde sensor, Smoke Sensor, described control unit is electronic controller ECU, and described ventilating unit comprises air-conditioning, Car window electric machine and vehicle window, described control unit is by the oxygen of described detecting unit Real-time Collection, carbonic oxide, carbon dioxide, formaldehyde, smokescope numerical value contrasts with the corresponding threshold value of control unit storage inside, when the oxygen concentration gathered is less than oxygen concentration threshold value or carbonic oxide, carbon dioxide, formaldehyde, when the concentration of smog is greater than respective threshold, then opens ventilating unit and take a breath, namely open the outer circulation air exchange system of air-conditioning, and automatically open ventilation by driving Car window electric machine to control vehicle window, propose warning by alarm unit simultaneously.
As the preferred scheme of one, the first switch and second switch is also comprised in system, described first switch is the starting switch of this system, only need open the first switch, intelligent ventilating system is just started working, Real-Time Monitoring in-car air quality, and takes a breath in time, make in car, to remain good air quality, thus safeguard the healthy of chaufeur and life security.Described second switch is the switch of described alarm unit, if chaufeur thinks that phonetic warning there is no need, or does not like phonetic warning, and only need close second switch, when monitoring in-car air quality and being not up to standard, ventilation work is still normally carried out.
As the preferred scheme of one, in system, display unit can also be comprised, the various data messages that this display unit collects for showing detecting unit, for chaufeur provides more intuitive display.
As the preferred scheme of one, described ECU is Holtek HT32 series monolithic or HT66 series monolithic.
A control method for automobile intelligent air exchange system, comprises the following steps:
Step S1: set oxygen, carbonic oxide, carbon dioxide, formaldehyde, smoke density threshold value in a control unit;
Step S2: open intelligent ventilating system;
Step S3: the concentration of the oxygen of the sensor Real-time Collection automobile inner air of detecting unit, carbonic oxide, carbon dioxide, formaldehyde, smog;
Step S4: by step S3 detect various numerical value and the control unit storage inside obtained corresponding threshold value contrast, when the oxygen concentration gathered be less than oxygen concentration threshold value or carbonic oxide, carbon dioxide, formaldehyde, smog concentration be greater than respective threshold time, perform step S5, otherwise, continue to perform step S3;
Step S5: send warning, and open ventilating unit, namely starting the outer circulation air exchange system of air-conditioning, automatically opening ventilation by driving Car window electric machine to control vehicle window simultaneously;
Step S6: the respective concentration of the sensor Real-time Collection automobile inner air of detecting unit;
Step S7: by step S6 detect various numerical value and the control unit storage inside obtained corresponding threshold value contrast, when the oxygen concentration gathered is greater than oxygen concentration threshold value and the concentration of carbonic oxide, carbon dioxide, formaldehyde, smog is all less than respective threshold, perform step S8, otherwise, continue to perform step S6;
Step S8: close ventilating unit.
Wherein the concrete operations of step S8 are: if air-conditioning is in opening before opening ventilating unit, when then closing ventilating unit, external circulating system is switched to internal circulation system, and drive Car window electric machine to close vehicle window, if air-conditioning is in closed condition before unlatching ventilating unit, when then closing ventilating unit, external circulating system is closed, and drive Car window electric machine to close vehicle window.
Oxygen content in car is sufficient, can ensure that chaufeur is more clear-headed in driving procedure, thus improve the safety of driving, therefore native system carries out Real-Time Monitoring to oxygen concentration in car, and to set oxygen concentration threshold value be 19%, when in the car detected, oxygen concentration is less than this setting threshold, illustrate that in car, oxygen content is on the low side, at this moment warning is sent, remind chaufeur Che Nei that oxygen content is on the low side, and the ventilating unit of start up system, the external circulating system of air-conditioning is opened, drives Car window electric machine vehicle window to be opened automatically in time more air renewal simultaneously.
Turn on the aircondition for a long time under vehicle immobilization state, engine running burning is insufficient, produces carbonic oxide and increases, and stopped vehicle exhaust system owes unobstructed, easily leak in car, if small space is airtight in car, carbonic oxide just can be built up and increase in car.Carbonic oxide enter human body after can and blood in haemoglobin combination, produce carbonyl hemoglobin, and then make haemoglobin can not with combination with oxygen, thus cause body tissue to occur anoxic, cause human body death by suffocation, therefore the monitoring of the carbonic oxide in air in car is necessary, native system setting carbon-monoxide concentration threshold value is 50ppm, when in the car detected, carbon-monoxide concentration is greater than this setting threshold, send warning, remind chaufeur Che Nei that CO (carbon monoxide converter) concentration is too high, and the ventilation of the ventilating unit of start up system.
When in car, oxygen is consumed to lower than human normal respiratory demand, the concentration of carbon dioxide will rise, this makes chaufeur neurolysis, even there is the danger suffocated, therefore native system is provided with the concentration threshold of carbon dioxide is 1000ppm, when gas concentration lwevel is greater than this setting threshold in the car detected, sends warning, remind chaufeur Che Nei that carbon dioxide content is too high, and the ventilation of the ventilating unit of start up system.
When vehicle window closes more than half an hour, in car, content of formaldehyde will sharply rise, and be the harm avoiding formaldehyde to cause human body, and this Operation system setting concentration of formaldehyde threshold value is 0.06mg/m
3, when concentration of formaldehyde is greater than this setting threshold in the car detected, send warning, remind chaufeur Che Nei that content of formaldehyde is too high, and the ventilation of the ventilating unit of start up system.
Passenger inside the vehicle's smoking works the mischief to other people healthy, often the many inconvenience of chaufeur is reminded, therefore native system is provided with smoke density threshold value is 0.06%, when in the car detected, smokescope is greater than this setting threshold, send warning, remind chaufeur Che Nei smog too high levels, and the ventilation of the ventilating unit of start up system, this interior air of can not only more changing trains, can also remind smoker's conscious extinguishing cigarette.
Compared with prior art, the technical scheme that the application provides, the technique effect had or advantage are: by providing a kind of automobile intelligent air exchange system and control method thereof, control unit is by oxygen in the air of detecting unit Real-time Collection, carbonic oxide, carbon dioxide, formaldehyde, the setting threshold of smog isoconcentration and its storage inside contrasts, when respective concentration in air does not meet health and comfort criterion, start ventilating unit and send warning, ensure that interior space has good air quality all the time, thus safeguard the healthy of chaufeur and life security, the present invention is reasonable in design, practical.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of air exchange system of the present invention;
Fig. 2 is the diagram of circuit of air exchange system control method of the present invention.
Detailed description of the invention
The embodiment of the present application is by providing a kind of automobile intelligent air exchange system and control method thereof, the setting threshold of oxygen, carbonic oxide, carbon dioxide, formaldehyde, smog isoconcentration and its storage inside in the air of detecting unit Real-time Collection contrasts by control unit, when respective concentration in air does not meet health and comfort criterion, start ventilating unit and send warning, health is affected, the even technical matters of threat to life safety to solve atmosphere draught-free in car.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Embodiment
As shown in Figure 1, a kind of automobile intelligent air exchange system, comprises detecting unit 10, control unit 20, alarm unit 30, ventilating unit 40, described detecting unit 10 connects the input end of described control unit 20, described alarm unit 30, the mouth of ventilating unit 40 connection control unit 20, wherein, described detecting unit 10 comprises oxygen concentration sensor 101, carbon-monoxide concentration sensor 102, gas concentration lwevel sensor 103, concentration of formaldehyde sensor 104, Smoke Sensor 105, described control unit 20 is electronic controller ECU, and described ventilating unit 40 comprises air-conditioning 401, Car window electric machine 402 and vehicle window 403, described control unit 20 is by oxygen in the air of detecting unit 10 Real-time Collection, carbonic oxide, carbon dioxide, formaldehyde, smokescope numerical value contrasts with the corresponding threshold value of its storage inside, when the oxygen concentration gathered is less than oxygen concentration threshold value or carbonic oxide, carbon dioxide, formaldehyde, when the concentration of smog is greater than respective threshold, then opens ventilating unit 40 and take a breath, namely open the outer circulation air exchange system of air-conditioning 401, and automatically open ventilation by driving Car window electric machine 402 to control vehicle window 403, send warning by alarm unit 30 simultaneously.
Certainly, other sensors can also be comprised in the detecting unit 10 of this automobile intelligent air exchange system to detect corresponding levels in air, just not enumerate at this.
As the preferred scheme of one, the first switch 50 and second switch 60 is also comprised in system, described first switch 50 is the starting switch of described intelligent ventilating system, only need open the first switch, intelligent ventilating system is just started working, Real-Time Monitoring in-car air quality, and takes a breath in time, make in car, to remain good air quality, thus safeguard the healthy of chaufeur and life security.Described second switch is the switch of alarm unit 60, if chaufeur thinks that phonetic warning there is no need, or does not like phonetic warning, and only need close second switch 60, when monitoring in-car air quality and being not up to standard, ventilation work 40 is still normally carried out.
In order to provide more intuitive display to chaufeur, in system, display unit 70 can also be comprised, for showing the various data messages that detecting unit collects,
As the preferred scheme of one, described ECU is Holtek HT32 series monolithic or HT66 series monolithic.
As shown in Figure 2, a kind of control method of automobile intelligent air exchange system, comprises the following steps:
Step S1: set oxygen, carbonic oxide, carbon dioxide, formaldehyde, smoke density threshold value in a control unit;
Step S2: open intelligent ventilating system;
Step S3: the concentration of the oxygen of the sensor Real-time Collection automobile inner air of detecting unit, carbonic oxide, carbon dioxide, formaldehyde, smog;
Step S4: by step S3 detect various numerical value and the control unit storage inside obtained corresponding threshold value contrast, when the oxygen concentration gathered be less than oxygen concentration threshold value or carbonic oxide, carbon dioxide, formaldehyde, smog concentration be greater than respective threshold time, perform step S5, otherwise, continue to perform step S3;
Step S5: send warning, and open ventilating unit, namely starting the outer circulation air exchange system of air-conditioning, automatically opening ventilation by driving Car window electric machine to control vehicle window simultaneously;
Step S6: the respective concentration of the sensor Real-time Collection automobile inner air of detecting unit;
Step S7: by step S6 detect various numerical value and the control unit storage inside obtained corresponding threshold value contrast, when the oxygen concentration gathered is greater than oxygen concentration threshold value and the concentration of carbonic oxide, carbon dioxide, formaldehyde, smog is all less than respective threshold, perform step S8, otherwise, continue to perform step S6;
Step S8: close ventilating unit.
Wherein the concrete operations of step S8 are: if air-conditioning is in opening before opening ventilating unit, when then closing ventilating unit, external circulating system is switched to internal circulation system, and drive Car window electric machine to close vehicle window, if air-conditioning is in closed condition before unlatching ventilating unit, when then closing ventilating unit, external circulating system is closed, and drive Car window electric machine to close vehicle window.
Oxygen content in car is sufficient, can ensure that chaufeur is more clear-headed in driving procedure, thus improve the safety of driving, therefore native system carries out Real-Time Monitoring to oxygen concentration in car, and to set oxygen concentration threshold value be 19%, when in the car detected, oxygen concentration is less than this setting threshold, illustrate that in car, oxygen content is on the low side, at this moment warning is sent, remind chaufeur Che Nei that oxygen content is on the low side, and the ventilating unit of start up system, the external circulating system of air-conditioning is opened, drives Car window electric machine vehicle window to be opened automatically in time more air renewal simultaneously.
Turn on the aircondition for a long time under vehicle immobilization state, engine running burning is insufficient, produces carbonic oxide and increases, and stopped vehicle exhaust system owes unobstructed, easily leak in car, if small space is airtight in car, carbonic oxide just can be built up and increase in car.Carbonic oxide enter human body after can and blood in haemoglobin combination, produce carbonyl hemoglobin, and then make haemoglobin can not with combination with oxygen, thus cause body tissue to occur anoxic, cause human body death by suffocation, therefore the monitoring of the carbonic oxide in air in car is necessary, native system setting carbon-monoxide concentration threshold value is 50ppm, when in the car detected, carbon-monoxide concentration is greater than this setting threshold, send warning, remind chaufeur Che Nei that CO (carbon monoxide converter) concentration is too high, and the ventilation of the ventilating unit of start up system.
When in car, oxygen is consumed to lower than human normal respiratory demand, the concentration of carbon dioxide will rise, this makes chaufeur neurolysis, even there is the danger suffocated, therefore native system is provided with the concentration threshold of carbon dioxide is 1000ppm, when gas concentration lwevel is greater than this setting threshold in the car detected, sends warning, remind chaufeur Che Nei that carbon dioxide content is too high, and the ventilation of the ventilating unit of start up system.
When vehicle window closes more than half an hour, in car, content of formaldehyde will sharply rise, and be the harm avoiding formaldehyde to cause human body, and this Operation system setting concentration of formaldehyde threshold value is 0.06mg/m
3, when concentration of formaldehyde is greater than this setting threshold in the car detected, send warning, remind chaufeur Che Nei that content of formaldehyde is too high, and the ventilation of the ventilating unit of start up system.
Passenger inside the vehicle's smoking works the mischief to other people healthy, often the many inconvenience of chaufeur is reminded, therefore native system is provided with smoke density threshold value is 0.06%, when in the car detected, smokescope is greater than this setting threshold, send warning, remind chaufeur Che Nei smog too high levels, and the ventilation of the ventilating unit of start up system, this interior air of can not only more changing trains, can also remind smoker's conscious extinguishing cigarette.
Certainly, above-mentioned threshold value has considered the health of human body and comfort criterion sets, and consider different occasions or the impact of other factors in actual applications, threshold value can change thereupon relatively.
In above-described embodiment of the application, by providing a kind of automobile intelligent air exchange system and control method thereof, the setting threshold of oxygen, carbonic oxide, carbon dioxide, formaldehyde, smog isoconcentration and its storage inside in the air of detecting unit Real-time Collection contrasts by control unit, when respective concentration in air does not meet health and comfort criterion, start ventilating unit and send warning, ensure that interior space has good air quality all the time, thus safeguard the healthy of chaufeur and life security, the present invention is reasonable in design, practical.
It should be noted that; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present invention, modification, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (10)
1. an automobile intelligent air exchange system, comprises detecting unit, control unit, alarm unit, ventilating unit, described detecting unit connects the input end of described control unit, described alarm unit, the mouth of ventilating unit connection control unit, is characterized in that, described detecting unit comprises oxygen concentration sensor, carbon-monoxide concentration sensor, gas concentration lwevel sensor, concentration of formaldehyde sensor, Smoke Sensor, described control unit is electronic controller ECU, and described ventilating unit comprises air-conditioning, Car window electric machine and vehicle window, described control unit is by the oxygen of described detecting unit Real-time Collection, carbonic oxide, carbon dioxide, formaldehyde, smokescope numerical value contrasts with the corresponding threshold value of storage inside, when the oxygen concentration gathered is less than oxygen concentration threshold value or carbonic oxide, carbon dioxide, formaldehyde, when the concentration of smog is greater than respective threshold, then opens described ventilating unit and take a breath, namely open the outer circulation air exchange system of air-conditioning, and automatically open ventilation by driving Car window electric machine to control vehicle window, propose warning by alarm unit simultaneously.
2. automobile intelligent air exchange system according to claim 1, is characterized in that, also comprises the first switch and second switch, and described first switch is the starting switch of this system, and described second switch is the switch of described alarm unit.
3. automobile intelligent air exchange system according to claim 1, is characterized in that, also comprise display unit, the various data messages that this display unit collects for showing detecting unit.
4. the control method of automobile intelligent air exchange system as claimed in claim 1, is characterized in that, comprise the following steps:
Step S1: set oxygen, carbonic oxide, carbon dioxide, formaldehyde, smoke density threshold value in a control unit;
Step S2: open intelligent ventilating system;
Step S3: the concentration of the oxygen of the sensor Real-time Collection automobile inner air of detecting unit, carbonic oxide, carbon dioxide, formaldehyde, smog;
Step S4: by step S3 detect various numerical value and the control unit storage inside obtained corresponding threshold value contrast, when the oxygen concentration gathered be less than oxygen concentration threshold value or carbonic oxide, carbon dioxide, formaldehyde, smog concentration be greater than respective threshold time, perform step S5, otherwise, continue to perform step S3;
Step S5: send warning, and open ventilating unit, namely starting the outer circulation air exchange system of air-conditioning, automatically opening ventilation by driving Car window electric machine to control vehicle window simultaneously;
Step S6: the respective concentration of the sensor Real-time Collection automobile inner air of detecting unit;
Step S7: by step S6 detect various numerical value and the control unit storage inside obtained corresponding threshold value contrast, when the oxygen concentration gathered is greater than oxygen concentration threshold value and the concentration of carbonic oxide, carbon dioxide, formaldehyde, smog is all less than respective threshold, perform step S8, otherwise, continue to perform step S6;
Step S8: close ventilating unit.
5. the control method of automobile intelligent air exchange system according to claim 4, is characterized in that, the concrete operations of step S8 are:
If air-conditioning is in opening before unlatching ventilating unit, when then closing ventilating unit, external circulating system is switched to internal circulation system, and drive Car window electric machine to close vehicle window, if air-conditioning is in closed condition before unlatching ventilating unit, when then closing ventilating unit, external circulating system is closed, and drive Car window electric machine to close vehicle window.
6. the control method of automobile intelligent air exchange system according to claim 4, is characterized in that, described oxygen concentration threshold value is 19%.
7. the control method of automobile intelligent air exchange system according to claim 4, is characterized in that, described carbon-monoxide concentration threshold value is 50ppm.
8. the control method of automobile intelligent air exchange system according to claim 4, is characterized in that, described gas concentration lwevel threshold value is 1000ppm.
9. the control method of automobile intelligent air exchange system according to claim 4, is characterized in that, described concentration of formaldehyde threshold value is 0.06mg/m
3.
10. the control method of automobile intelligent air exchange system according to claim 4, is characterized in that, described smoke density threshold value is 0.06%.
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| CN201510016100.8A CN104691273A (en) | 2015-01-13 | 2015-01-13 | Intelligent ventilation system of automobile and control method of intelligent ventilation system |
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| CN201510016100.8A CN104691273A (en) | 2015-01-13 | 2015-01-13 | Intelligent ventilation system of automobile and control method of intelligent ventilation system |
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