CN202271928U - Device for monitoring quality of air in vehicles - Google Patents
Device for monitoring quality of air in vehicles Download PDFInfo
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- CN202271928U CN202271928U CN2011203230914U CN201120323091U CN202271928U CN 202271928 U CN202271928 U CN 202271928U CN 2011203230914 U CN2011203230914 U CN 2011203230914U CN 201120323091 U CN201120323091 U CN 201120323091U CN 202271928 U CN202271928 U CN 202271928U
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Abstract
The utility model provides a device for monitoring quality of air in vehicles, which belongs to the technical field of automobiles and solves the problems that the monitoring device in the prior art cannot monitor the quality of air in the vehicles in real time and cannot be assembled independently. The device for monitoring the quality of air in the vehicles comprises a smog detection sensor arranged on a meter table, wherein the input end of the smog detection sensor is connected with a control unit, and the output end of the smog detection sensor is connected with the control unit through an amplifying circuit. An alarming mechanism and an air conditioner controller are further connected onto the control unit. The smog detection sensor can detect content of organic volatile harmful gases in the air in the vehicles in real time and transmits electric signals to the control unit; and the control unit compares the electric signals transmitted by the smog detection sensor with a set value in the control unit, sends signals to the alarming mechanism and controls the air conditioner controller to switch the mode of an air conditioner to outer circulation if content of the harmful gases is larger than the set value. The device can monitor the quality of air in the vehicles in real time, and can be assembled independently.
Description
Technical field
The utility model belongs to automobile technical field, relates to the monitoring device of air quality in a kind of car.
Background technology
The main source of in-vehicle air pollution is the gas that ornament materials such as the glue of locating usefulness such as seat, ceiling, textiles, plastic fittings evaporate, and comprises formaldehyde, benzene etc.Also have because the aerial contamination that occupant's activity causes, such as organic volatile class pungency pernicious gases such as the smog of generations such as smoking, paper burns, drink, ammonia, alcohol, methane.The people contacts low dosage formaldehyde, benzene for a long time and not only can cause dizziness, feels sick, cough and malaise symptoms such as breathe heavily, and is serious even can cause leukaemia, bigger to children and pregnant woman's harm especially.
March 1, to implement by " the in-vehicle air pollution substrate concentration limit value and the method for measurement " of State Environmental Protection Administration issue is formal, the detection of the automobile air quality of being avoided by numerous car production enterprise has in the past had national standard for the first time.The interior air quality problems of present car has become people and has purchased the problem that car is paid close attention to.
Air quality monitoring device in the car of the prior art; Its function is: cross low or gas concentration lwevel when too high when oxygen concentration, open air-conditioning, carry out air inerchange with the external world; Alleviate oxygen problem in the car, improved the not enough and potential safety hazard that causes of oxygen in the car.When oxygen in the car is sufficient when but pernicious gas also exceeded standard, this device just can't effectively identify pernicious gas and make effective measures.
Afterwards, the Chinese patent document disclosed the intelligent monitoring device of vehicle indoor gas of patent No. ZL200820165599.4.This device is set up a switch on the instrument desk in car; Switch one end connects the automobile level, and the other end connects voltage conversion circuit, and signal conversion circuit, central process unit and indicating device are connected the mouth of voltage conversion circuit respectively; Be provided with air sensor in the car; Signal conversion circuit connects the mouth of air sensor, and central process unit connects the mouth of signal conversion circuit, and indicating device is connected central process unit with air governor.This patent can be monitored indoor noxious gas content; But also there is following deficiency in this device: 1, monitoring is not carried out in real time; To be chaufeur or occupant select whether open switch according to wish in the car monitors; People can open under situation such as do not feel like oneself or stuffy, and monitoring has at this moment fallen behind a step; 2, central process unit is to follow the central process unit of car body to become one as the control unit of observation circuit, can not change for monitoring location, can not assembling separately on automobile.
Summary of the invention
There are the problems referred to above in the utility model to existing technology; Proposed the monitoring device of air quality in a kind of car, this monitoring device is the interior air quality of monitoring car in real time, and when pernicious gas exceeds standard in the air in monitoring car; Take safety measures the protection health.
The utility model is realized through following technical proposal: the monitoring device of air quality in a kind of car; Comprise the Smoke Detection sensor that is arranged on the instrument desk; Described Smoke Detection sensor input end connects control unit; Connect through amplifying circuit between detecting sensor mouth and the control unit; Also be connected with alarm mechanism and air-conditioner controller on the control unit; Described Smoke Detection sensor is the pungency pernicious gas content of organic volatile class and send electric signal and give control unit in the air in the inspection vehicle in real time, and described control unit will be used for Smoke Detection sensor electric signal that transports and the setting value of establishing in it compares, and is used for controlling respectively according to comparing result the warning and the control air-conditioner controller switching air-conditioning circulation pattern of alarm mechanism.
When automobile starting; The control unit energising brings into operation; Control unit sends instruction and gives Smoke Detection sensor control Smoke Detection sensor unlatching work; The Smoke Detection sensor detects for the air in the car in real time, and the detection information of the pungency pernicious gas content of organic volatile class in the air in the car is exported through the mode of Transistor-Transistor Logic level, flows to control unit after the treated processing of circuit of electric signal; Control unit is analyzed comparison to the electrical signal data after amplifying and the reference data of setting, and reports to the police with air-conditioner controller air-conditioning to be modulated under the suitable pattern according to judged result control alarm mechanism and move.Electric signal that control unit transports the Smoke Detection sensor and the setting value of establishing in it are compared, and to switch air conditioning mode for alarm mechanism and control air-conditioner controller be outer circulation if pernicious gas content just sends signal greater than the described control unit of setting value.
In the monitoring device of air quality, described air-conditioner controller is used for according to the comparing result of control unit the air-conditioning circulation pattern being switched between interior circulation pattern and outer circulation pattern in above-mentioned car.Control unit switches back former mode of operation through air-conditioner controller control air-conditioning when comparing electric signal that the Smoke Detection sensor transports less than setting value.
In the monitoring device of air quality, described alarm mechanism comprises voice guard and light-emitting diode display in above-mentioned car, and above-mentioned voice guard and light-emitting diode display are connected to the mouth of control unit.Send control command through control unit, voice guard sends tweeting sound and reminds the passenger, and on LED, shows.
In the monitoring device of air quality, described control unit is supplied power by automobile mounted power supply in above-mentioned car.When automobile starting, this monitoring device can and then start.
In the monitoring device of air quality, described control unit and air-conditioner controller are through the total wire joint of BUS in the car in above-mentioned car.Can reduce circuit connection in the car through the BUS bus, and guarantee the reliability of communication.
In the monitoring device of air quality, described control unit is a micro controller system in above-mentioned car.
Prior art is compared, and the monitoring device of Ben Chenei air quality has the following advantages:
1, the monitoring device of Ben Chenei air quality is through Smoke Detection sensor real-time air quality in the monitoring car behind automobile starting, has when airborne pernicious gas exceeds standard in monitoring car to take safety measures the effect of protection health.
2, in the monitoring device of Ben Chenei air quality, control unit is independently controlled realization by control unit, is providing under the situation of external source, and this device can be realized the function of air in the monitoring car under the situation that automobile does not start, can assembling separately on automobile.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the testing process scheme drawing of the utility model.
Among the figure, 1, control unit; 2, alarm mechanism; 21, light-emitting diode display; 22, voice guard; 3, air-conditioner controller; 4, Smoke Detection sensor; 5, amplifying circuit; 6, vehicle power.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
As shown in Figure 1; The monitoring device of air quality in this car; Comprise the Smoke Detection sensor 4 that is arranged on the instrument desk; Smoke Detection sensor 4 input ends connect control unit 1, connect through vehicle power 6 between Smoke Detection sensor 4 mouths and the control unit 1, also be connected with alarm mechanism 2 on the control unit 1 and the air in the car and the external world are carried out on-cycle air-conditioner controller 3.Control unit 1 can carry out analyzing and processing and send control signal control alarm mechanism 2 and whether work with air-conditioner controller 3 to the electric signal that Smoke Detection sensor 4 transports; Output control signal control alarm equipment alarm and get into the outer circulation patterns through light-emitting diode display 21 air-conditioner controllers 3 control air-conditionings when control unit 1 compares electric signal that Smoke Detection sensor 4 transports greater than setting value is switched back former mode of operation through air-conditioner controller 3 control air-conditionings when comparing electric signal that Smoke Detection sensor 4 transports less than setting value.
Automobile mounted power supply 6 gives control unit 1 power supply; Smoke Detection sensor 4 is the pungency pernicious gas content of organic volatile class and send electric signal and give control unit 1 in the air in the inspection vehicle in real time; Alarm mechanism 2 comprises voice guard 22 and light-emitting diode display 21, and voice guard 22 and light-emitting diode display 21 are connected to the mouth of control unit 1.Air-conditioner controller 3 is for being used to control the air-conditioner controller of a/c system in the car.Control unit 1 passes through the total wire joint of BUS in the car with air-conditioner controller 3.
Like Fig. 1, shown in Figure 2; When organic volatile class pungency pernicious gases such as the smog that exists cigarette, timber, paper burning to produce in the car cabin, alcohol, ammonia, hydrogen, methane, propane, larane, styrene, propylene glycol, phenol, toluene, ethylbenzene, xylene, formaldehyde; The interior air quality information of Smoke Detection sensor 4 real-time inspection vehicles also changes into Transistor-Transistor Logic level to the pernicious gas signal and is exported by mouth; Offer amplifying circuit 5; Transistor-Transistor Logic level supplies control unit 1 identification after amplifying circuit 5 amplifies, be provided with corresponding executive routine in the control unit 1.Control unit 1 compares, judges electric signal that transports and the parameter that is arranged in advance in the program according to built-in program; When being higher than, detected signal indication organic volatile class pungency harmful gas concentration sets the ULN value; Possibly be detrimental to health and make; Then control unit 1 sending controling instruction starts the LED demonstration for alarm mechanism 2 and sends tweeting sound caution occupant; Sending controling instruction is given air-conditioner controller 3 simultaneously, and the air-conditioner controller clamp pin air conditioning mode in the car in the car load a/c system switches to the outer circulation pattern.After the car inner air and outer air being exchanged a period of time through air-conditioning outer circulation pattern; Air quality recovers normal in the car, and Smoke Detection sensor 4 detects in real time, and it is lower that Smoke Detection sensor 4 detects the interior pernicious gas of car; Judge through control unit 1; When detected organic volatile class pungency harmful gas concentration was lower than the concentration limit value of setup parameter, control unit 1 sending controling instruction was given air-conditioner controller 3, and air-conditioner controller braking air-conditioning is autotomyed and gained former mode of operation.
The Transistor-Transistor Logic level signal is that common data representation is adopted the two scale notation regulation, is equivalent to logical one like+5V, and 0V is equivalent to logical zero, and this is known as the TTL signal system, i.e. the transistor logic level.
The monitoring device of this automotive interior air quality and car load a/c system and vehicle-mounted ECU are independent mutually, on automobile, can assemble separately, and the control unit 1 of this embodiment is a micro controller system, and used micro controller system can be selected the AT89CT51 micro controller system for use.
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as control unit 1, alarm mechanism 2, light-emitting diode display 21, voice guard 22, air-conditioner controller 3, Smoke Detection sensor 4, amplifying circuit 5, vehicle power 6 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily, and it all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (6)
1. the monitoring device of air quality in the car; Comprise the Smoke Detection sensor (4) that is arranged on the instrument desk; It is characterized in that; Described Smoke Detection sensor (4) input end connects control unit (1); Connect through amplifying circuit (5) between detecting sensor mouth and the control unit (1), also be connected with alarm mechanism (2) and air-conditioner controller (3) on the control unit (1), described Smoke Detection sensor (4) is the pungency pernicious gas content of organic volatile class and send electric signal to control unit (1) in the interior air of inspection vehicle in real time; Described control unit (1) is used for the electric signal that Smoke Detection sensor (4) transports and the setting value of establishing in it is compared, and the warning and the control air-conditioner controller (3) that are used for controlling respectively according to comparing result alarm mechanism (2) switch the air-conditioning circulation pattern.
2. the monitoring device of air quality is characterized in that described air-conditioner controller (3) is used for according to the comparing result of control unit (1) the air-conditioning circulation pattern being switched in the car according to claim 1 between interior circulation pattern and outer circulation pattern.
3. the monitoring device of air quality in the car according to claim 2; It is characterized in that; Described alarm mechanism (2) comprises voice guard (22) and light-emitting diode display (21), and above-mentioned voice guard (22) and light-emitting diode display (21) are connected to the mouth of control unit (1).
4. according to the monitoring device of air quality in claim 1 or the 2 or 3 described cars, it is characterized in that described control unit (1) is supplied power by automobile mounted power supply (6).
5. according to the monitoring device of air quality in claim 1 or the 2 or 3 described cars, it is characterized in that described control unit (1) passes through the total wire joint of BUS in the car with air-conditioner controller (3).
6. according to the monitoring device of air quality in claim 1 or the 2 or 3 described cars, it is characterized in that described control unit (1) is a micro controller system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203230914U CN202271928U (en) | 2011-08-31 | 2011-08-31 | Device for monitoring quality of air in vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203230914U CN202271928U (en) | 2011-08-31 | 2011-08-31 | Device for monitoring quality of air in vehicles |
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| Publication Number | Publication Date |
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| CN202271928U true CN202271928U (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203230914U Expired - Fee Related CN202271928U (en) | 2011-08-31 | 2011-08-31 | Device for monitoring quality of air in vehicles |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629783A (en) * | 2013-12-13 | 2014-03-12 | 杭州广安汽车电器有限公司 | Vehicle air condition controller containing multi-compartment smoke and undesirable odor sound and video alarm function and application method |
| CN104816606A (en) * | 2015-03-26 | 2015-08-05 | 盐城工学院 | Cyclically circulating diversion pipe type car passenger compartment air quality detector |
| CN105599562A (en) * | 2014-11-14 | 2016-05-25 | 丰田自动车株式会社 | Method of preventing fuel gas from entering cabin of mobile object including fuel cell and mobile object |
| CN106184064A (en) * | 2016-07-29 | 2016-12-07 | 芜湖新泉汽车饰件系统有限公司 | Instrument board sensor detection grid |
| CN106680431A (en) * | 2016-12-28 | 2017-05-17 | 北京新能源汽车股份有限公司 | In-car air quality detection method and device |
| CN107906659A (en) * | 2017-10-02 | 2018-04-13 | 广东美的制冷设备有限公司 | Control method, new wind turbine and the computer-readable recording medium of new wind turbine |
| CN111547082A (en) * | 2020-05-22 | 2020-08-18 | 中车株洲电力机车有限公司 | Air conditioner control method and system for railway vehicle in fire and railway vehicle |
-
2011
- 2011-08-31 CN CN2011203230914U patent/CN202271928U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629783A (en) * | 2013-12-13 | 2014-03-12 | 杭州广安汽车电器有限公司 | Vehicle air condition controller containing multi-compartment smoke and undesirable odor sound and video alarm function and application method |
| CN105599562A (en) * | 2014-11-14 | 2016-05-25 | 丰田自动车株式会社 | Method of preventing fuel gas from entering cabin of mobile object including fuel cell and mobile object |
| US10071650B2 (en) | 2014-11-14 | 2018-09-11 | Toyota Jidosha Kabushiki Kaisha | Method of preventing fuel gas from entering cabin of mobile object including fuel cell and mobile object including fuel cell |
| CN105599562B (en) * | 2014-11-14 | 2019-04-09 | 丰田自动车株式会社 | The method and moving body for inhibiting the fuel gas of the fuel cell in moving body to invade to the interior space |
| CN104816606A (en) * | 2015-03-26 | 2015-08-05 | 盐城工学院 | Cyclically circulating diversion pipe type car passenger compartment air quality detector |
| CN104816606B (en) * | 2015-03-26 | 2016-08-31 | 盐城工学院 | Circulation honeycomb duct type vehicle occupant compartment air quality detector |
| CN106184064A (en) * | 2016-07-29 | 2016-12-07 | 芜湖新泉汽车饰件系统有限公司 | Instrument board sensor detection grid |
| CN106680431A (en) * | 2016-12-28 | 2017-05-17 | 北京新能源汽车股份有限公司 | In-car air quality detection method and device |
| CN107906659A (en) * | 2017-10-02 | 2018-04-13 | 广东美的制冷设备有限公司 | Control method, new wind turbine and the computer-readable recording medium of new wind turbine |
| CN111547082A (en) * | 2020-05-22 | 2020-08-18 | 中车株洲电力机车有限公司 | Air conditioner control method and system for railway vehicle in fire and railway vehicle |
| CN111547082B (en) * | 2020-05-22 | 2021-09-17 | 中车株洲电力机车有限公司 | Air conditioner control method and system for railway vehicle in fire and railway vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20130831 |