CN202693538U - Equipment for detecting air quality in vehicle and vehicle - Google Patents
Equipment for detecting air quality in vehicle and vehicle Download PDFInfo
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- CN202693538U CN202693538U CN 201220325117 CN201220325117U CN202693538U CN 202693538 U CN202693538 U CN 202693538U CN 201220325117 CN201220325117 CN 201220325117 CN 201220325117 U CN201220325117 U CN 201220325117U CN 202693538 U CN202693538 U CN 202693538U
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- dimethylbenzene
- electric signal
- signal
- concentration
- vehicle
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Abstract
The embodiment of the utility model provides equipment for detecting air quality in a vehicle and the vehicle. The equipment comprises at least one dimethylbenzene concentration sensor, a signal acquirer, an amplification circuit, a filter and a signal processor, wherein the at least one dimethylbenzene concentration sensor is used for acquiring the dimethylbenzene concentration of the air; the signal acquirer is connected with the dimethylbenzene concentration sensor and used for acquiring a first electric signal corresponding to the dimethylbenzene concentration; the amplification circuit is connected with the signal acquirer and used for amplifying the first electric signal to generate a second electric signal; the filter is connected with the amplification circuit and used for filtering a preset waveband signal of the second electric signal to generate a third electric signal; and the signal processor is connected with the filter and used for converting the third electric signal into dimethylbenzene concentration data. The concentration of the pollutant dimethylbenzene of the air is acquired by the sensor and subjected to signal amplification and filtering to generate the dimethylbenzene concentration data which can be displayed or compared with an alarm threshold value, so that a user can know the air quality in the vehicle in real time.
Description
Technical field
The utility model relates to the vehicle environmental protection technology, refers to especially a kind of equipment and vehicle that in-car air quality is detected.
Background technology
The in-vehicle exposure source mainly contains: bonding agent, leather, plastics and rubber, air-conditioning produce mould, engine running; The above two are maximum to the harm of human body.Pollution source can produce dimethylbenzene (Dimethyl benzene), and dimethylbenzene is colourless transparent liquid, and dimethylbenzene has spread effect to eye and respiratory tract, and high concentration has anesthetic action to nervous centralis.Dimethylbenzene acute poisoning: suck in a short time that higher concentration can go out to lose face and the obvious irritation of the upper respiratory tract, eye conjunctiva and pharyngeal hyperemia, dizziness, uncomfortable in chest.That severe one can have is restless, twitch or stupor.
The product that carries out at present the car inner air-cleaning mainly contains several classes: Vehicular photo, its shortcoming is in the vehicle owing to post the article such as antiultraviolet film, cause the interior uitraviolet intensity of car very low, and the ability of photocatalyst resolving harmful gas and uitraviolet intensity are directly proportional, so the Vehicular photo role is very limited, use at present the vehicle of Vehicular photo also fewer and feweri.Purifier for vehicle and anion generator, but its shortcoming is: do not contact the pollution source such as leather and rubber cushion, that pollution source are discharging pollution on one side, to purify on one side, if close vehicle window, be equivalent to people and clarifier and absorb together harmful gas, the efficient of its clear pollutant is not even as opening the window.Ozone, and the activated charcoal with physical adsorbability.
No matter adopt which kind of mode to remove in-vehicle exposure, learn the air quality situation in the vehicle when all needing to allow driver and passenger real.
The utility model content
The technical problems to be solved in the utility model provides a kind of equipment and vehicle that in-car air quality is detected, and the quality of vehicle interior air is detected.
The utility model embodiment provides a kind of equipment that in-car air quality is detected, and is applied to vehicle, comprising: at least one obtains the xylene concentration sensor of the concentration of airborne dimethylbenzene; Be connected with described xylene concentration sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described dimethylbenzene; Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal; Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal; Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of dimethylbenzene.
In the described equipment, also comprise: be connected with signal processor, for the display screen of the concentration data that shows described dimethylbenzene.
In the described equipment, also comprise: be connected with described signal processor, be used for when the concentration data of described dimethylbenzene during greater than the xylene concentration threshold value of correspondence the xylene concentration alarm of reporting to the police.
In the described equipment, described xylene concentration sensor is positioned at the back side of room mirror mirror case.
In the described equipment, described xylene concentration sensor comprises: be used for the micro air pump of the air of absorption predetermined, be used for the air chamber of the air of accommodating described predetermined; For detection of the detection module that behind the airborne dimethylbenzene of described predetermined, generates described the first electric signal.
A kind of vehicle comprises the equipment that in-car air quality is detected, and described equipment comprises: at least one obtains the xylene concentration sensor of the concentration of airborne dimethylbenzene; Be connected with described xylene concentration sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described dimethylbenzene; Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal; Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal; Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of dimethylbenzene.
In the described vehicle, also comprise: be connected with signal processor, for the display screen of the concentration data that shows described dimethylbenzene.
In the described vehicle, also comprise: be connected with described signal processor, be used for when the concentration data of described dimethylbenzene during greater than the xylene concentration threshold value of correspondence the xylene concentration alarm of reporting to the police.
In the described vehicle, described xylene concentration sensor is positioned at the back side of room mirror mirror case.
In the described vehicle, described xylene concentration sensor comprises: be used for the micro air pump of the air of absorption predetermined, be used for the air chamber of the air of accommodating described predetermined; For detection of the detection module that behind the airborne dimethylbenzene of described predetermined, generates described the first electric signal.
The technical scheme that provides is provided, sensor obtains the concentration of airborne pollutant-dimethylbenzene, after signal amplification and filtering, the concentration data of the dimethylbenzene that generation can be shown or compare with alarm threshold value is so that the user can learn the air quality situation in the vehicle in real time.
Description of drawings
Fig. 1 represents a kind of device structure synoptic diagram one that detects vehicle inner air quality;
Fig. 2 represents a kind of device structure synoptic diagram two that detects vehicle inner air quality.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model embodiment provides a kind of equipment that detects vehicle inner air quality, as shown in Figure 1, is applied to vehicle, comprising:
At least one obtains the xylene concentration sensor of the concentration of airborne dimethylbenzene;
Be connected with described xylene concentration sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described dimethylbenzene;
Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal;
Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal;
Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of dimethylbenzene.
The technical scheme that provides is provided, sensor obtains the concentration of airborne pollutant-dimethylbenzene, after signal amplification and filtering, the concentration data of the dimethylbenzene that generation can be shown or compare with alarm threshold value is so that the user can learn the air quality situation in the vehicle in real time.
In a preferred embodiment, as shown in Figure 2, also comprise:
Be connected with signal processor, for the display screen of the concentration data that shows described dimethylbenzene.
In a preferred embodiment, as shown in Figure 2, also comprise:
Be connected with signal processor, be used for when the concentration data of described dimethylbenzene during greater than the xylene concentration threshold value of correspondence the xylene concentration alarm of reporting to the police.Wherein, the xylene concentration threshold value is a kind of concrete alarm threshold value.
In a preferred embodiment, the xylene concentration sensor comprises:
The micro air pump that is used for the air of absorption predetermined,
The air chamber that is used for the air of accommodating described predetermined;
For detection of the detection module that behind the airborne dimethylbenzene of described predetermined, generates described the first electric signal.
In an application scenarios, on the diverse location of xylene concentration installation of sensors in vehicle, comprising:
Air in the vehicle through the micro air pump automatic suction to vaporizer, rear in the vaporizer vaporization (is carrier gas by inert gas, also be mobile phase) bring chromatographic column into, chromatographic column contains fixedly phase of liquid or solid, because the boiling point of each sample component, polarity or absorption property are different, every kind of sample component is all tended to form between mobile phase and fixing phase and is distributed or adsorption equilibrium.Because flowing of carrier gas, it is attached to make sample component carry out at the volley repeated multiple times distribution or adsorption/desorption, and the result is that the sample component that concentration is large in carrier gas flows out first chromatographic column, and flows out chromatographic column after the large sample component of distribution concentration fixing in mutually.Sample component enters detection module after flowing out chromatographic column immediately, and whether detection module can change the existence of sample component into first electric signal, and the size of the first electric signal is directly proportional with amount or the concentration of sample component.
The first electric signal is output one voltage signal-second electric signal after amplifying circuit amplifies, and its size keeps direct ratio with its concentration value.
Voltage signal generates the 3rd electric signal through integrated circuit processor-wave filter after relatively, signal processor is connected with wave filter, be used for described the 3rd electric signal is converted into the concentration data of dimethylbenzene, if the concentration data of dimethylbenzene is digital signal, then digital signal be presented on the instrument panel; And when the numerical value of the concentration data of dimethylbenzene sign has surpassed alarm threshold value, can adopt sound and light alarm.The xylene concentration threshold value of dimethylbenzene is 1.50mg/m normally
3, when the concentration data of dimethylbenzene is greater than or equal to 1.50mg/m
3The time, carry out sound and light alarm.
The utility model embodiment provides a kind of vehicle, comprises the equipment that in-car air quality is detected, and described equipment comprises:
At least one obtains the xylene concentration sensor of the concentration of airborne dimethylbenzene;
Be connected with described xylene concentration sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described dimethylbenzene;
Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal;
Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal;
Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of dimethylbenzene.
In a preferred embodiment, also comprise:
Be connected with signal processor, for the display screen of the concentration data that shows described dimethylbenzene.
In a preferred embodiment, also comprise:
Be connected with described signal processor, be used for when the concentration data of described dimethylbenzene during greater than the xylene concentration threshold value of correspondence the xylene concentration alarm of reporting to the police.
In a preferred embodiment, the xylene concentration sensor is positioned at the back side of room mirror mirror case.
In a preferred embodiment, the xylene concentration sensor comprises:
The micro air pump that is used for the air of absorption predetermined,
The air chamber that is used for the air of accommodating described predetermined;
For detection of the detection module that behind the airborne dimethylbenzene of described predetermined, generates described the first electric signal.
In an application scenarios, the xylene concentration sensor is integrated in the back side of room mirror mirror case, the circuit board of integrated signal picker, amplifying circuit and wave filter is integrated in the Vehicular instrument panel, circuit bus by vehicle is powered, and the concentration data of dimethylbenzene is presented on the vehicle-mounted audio-video system or computer screen.
Adopt this programme advantage afterwards to be: sensor obtains the concentration of airborne pollutant-dimethylbenzene, after signal amplification and filtering, the concentration data of the dimethylbenzene that generation can be shown or compare with alarm threshold value is so that the user can learn the air quality situation in the vehicle in real time.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. the equipment that in-car air quality is detected is characterized in that, is applied to vehicle, comprising:
At least one obtains the xylene concentration sensor of the concentration of airborne dimethylbenzene;
Be connected with described xylene concentration sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described dimethylbenzene;
Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal;
Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal;
Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of dimethylbenzene.
2. equipment according to claim 1 is characterized in that, also comprises:
Be connected with signal processor, for the display screen of the concentration data that shows described dimethylbenzene.
3. equipment according to claim 1 is characterized in that, also comprises:
Be connected with described signal processor, be used for when the concentration data of described dimethylbenzene during greater than the xylene concentration threshold value of correspondence the xylene concentration alarm of reporting to the police.
4. equipment according to claim 1 is characterized in that, described xylene concentration sensor is positioned at the back side of room mirror mirror case.
5. equipment according to claim 1 is characterized in that, described xylene concentration sensor comprises:
The micro air pump that is used for the air of absorption predetermined,
The air chamber that is used for the air of accommodating described predetermined;
For detection of the detection module that behind the airborne dimethylbenzene of described predetermined, generates described the first electric signal.
6. a vehicle is characterized in that, comprises the equipment that in-car air quality is detected, and described equipment comprises:
At least one obtains the xylene concentration sensor of the concentration of airborne dimethylbenzene;
Be connected with described xylene concentration sensor, for the signal picker of the first electric signal corresponding to the concentration that gathers described dimethylbenzene;
Be connected with signal picker, for the amplifying circuit that described the first electric signal is amplified to generate the second electric signal;
Be connected with amplifying circuit, be used for the predetermined band signal of described the second electric signal of filtering, to generate the wave filter of the 3rd electric signal;
Be connected with wave filter, be used for described the 3rd electric signal is converted into the signal processor of the concentration data of dimethylbenzene.
7. vehicle according to claim 6 is characterized in that, also comprises:
Be connected with signal processor, for the display screen of the concentration data that shows described dimethylbenzene.
8. vehicle according to claim 6 is characterized in that, also comprises:
Be connected with described signal processor, be used for when the concentration data of described dimethylbenzene during greater than the xylene concentration threshold value of correspondence the xylene concentration alarm of reporting to the police.
9. vehicle according to claim 6 is characterized in that, described xylene concentration sensor is positioned at the back side of room mirror mirror case.
10. vehicle according to claim 6 is characterized in that, described xylene concentration sensor comprises:
The micro air pump that is used for the air of absorption predetermined,
The air chamber that is used for the air of accommodating described predetermined;
For detection of the detection module that behind the airborne dimethylbenzene of described predetermined, generates described the first electric signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325117 CN202693538U (en) | 2012-07-05 | 2012-07-05 | Equipment for detecting air quality in vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325117 CN202693538U (en) | 2012-07-05 | 2012-07-05 | Equipment for detecting air quality in vehicle and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693538U true CN202693538U (en) | 2013-01-23 |
Family
ID=47549141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220325117 Expired - Lifetime CN202693538U (en) | 2012-07-05 | 2012-07-05 | Equipment for detecting air quality in vehicle and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693538U (en) |
-
2012
- 2012-07-05 CN CN 201220325117 patent/CN202693538U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE CO., Free format text: FORMER OWNER: BAIC MOTOR CO., LTD. Effective date: 20131213 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100021 CHAOYANG, BEIJING TO: 101300 SHUNYI, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131213 Address after: 101300 Beijing, Shunyi District Shun Road, No. 25, room 5, 106 Patentee after: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. Address before: 100021 Chaoyang District, Warwick, Beijing, No. 10, Peng Long Building Patentee before: BAIC MOTOR Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
|
| CX01 | Expiry of patent term |