CN113442676A - Air quality control system in car - Google Patents
Air quality control system in car Download PDFInfo
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- CN113442676A CN113442676A CN202110723068.2A CN202110723068A CN113442676A CN 113442676 A CN113442676 A CN 113442676A CN 202110723068 A CN202110723068 A CN 202110723068A CN 113442676 A CN113442676 A CN 113442676A
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- vehicle
- air
- control unit
- compensation
- array sensor
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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
- B60H3/00—Other air-treating devices
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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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
- E05Y2900/55—Windows
Abstract
The invention discloses an in-car air quality control system, which comprises: the system comprises a micro vacuum pump, an array sensor, a control unit, a vehicle machine controller and a vehicle window system; wherein: the micro vacuum pump is used for pumping air in the vehicle into the array sensor based on a control signal of the control unit; the array sensor is used for detecting the content of harmful gas in the air in the vehicle to obtain a response value; the control unit is used for judging whether the air in the vehicle is qualified or not according to the response value; and the vehicle-mounted machine controller is used for controlling the vehicle window system to open the vehicle window when the control unit determines that the air in the vehicle is unqualified. The invention can detect various harmful gases in the vehicle by adopting the array sensor, can quickly respond when the air quality in the vehicle is unqualified, and can perform early warning and air updating to ensure better air quality in the vehicle.
Description
Technical Field
The invention relates to the technical field of automotive electronics, in particular to an in-car air quality control system.
Background
With the improvement of living standard of people, domestic automobiles step into thousands of households; meanwhile, the environmental awareness and the self-protection awareness of the social public are continuously improved, and higher requirements are provided for the quality of air in the vehicle directly related to physical health. When the automobile is in production design, due to the requirements of sound insulation, interior decoration upgrading and the like, the air tightness of the automobile is gradually improved, and therefore air pollutants in the automobile are more prone to gather. The current way to deal with the quality of air in a vehicle is to monitor with certain sensors and then to issue corresponding alarms. The occupant determines the in-vehicle air command based on whether the alarm is present. Although the method can achieve certain monitoring and early warning effects, the method is not intelligent, and when the quality problem of air in the vehicle occurs, the air cannot be processed in time. It still easily causes the driver and passengers to be harmed by the poor air.
Therefore, although the prior art can perform air quality early warning, the prior art cannot perform targeted treatment on air in the vehicle well.
Disclosure of Invention
In view of the above problems, the invention provides an in-vehicle air quality control system, which can detect various harmful gases in a vehicle, can quickly respond when the quality of the in-vehicle air is unqualified, and can perform early warning and air updating to ensure the quality safety of the in-vehicle air.
The application provides the following technical scheme through an embodiment:
an in-vehicle air quality control system comprising: the system comprises a micro vacuum pump, an array sensor, a control unit, a vehicle machine controller and a vehicle window system; wherein:
the micro vacuum pump is used for pumping air in the vehicle into the array sensor based on the control signal of the control unit; the array sensor is used for detecting the content of harmful gas in the air in the vehicle to obtain a response value; the control unit is used for judging whether the air in the vehicle is qualified or not according to the response value; and the vehicle-mounted machine controller is used for controlling the vehicle window system to open the vehicle window when the control unit determines that the air in the vehicle is unqualified.
Optionally, the control unit is specifically configured to:
obtaining a detection value of the harmful gas according to the response value; carrying out environmental compensation on the detection value to obtain a compensation detection value; and judging whether the air in the vehicle is qualified or not according to the compensation detection value.
Optionally, the environmental compensation includes: time-varying drift compensation, in-vehicle component interference compensation, temperature compensation, equipment difference compensation and humidity compensation.
Optionally, the micro vacuum pump is specifically configured to:
and pumping air in the vehicle into the array sensor at a flow rate of 100-200 ml/min based on a control signal of the control unit.
Optionally, the harmful gas detected by the array sensor comprises any one or more of the following: carbon monoxide, carbon dioxide, formaldehyde, TVOC, hydrogen sulfide, and alcohol.
Optionally, the array sensor is specifically configured to detect the content of harmful gas in the air in the vehicle at a temperature range of 250 to 500 ℃ to obtain a response value.
Optionally, the system further comprises an air conditioning system;
the vehicle-mounted controller is further used for controlling the air conditioning system to open the air conditioning external circulation when the control unit determines that the air in the vehicle is unqualified.
Optionally, the air purifier is further included;
the vehicle-mounted controller is further used for controlling the air purifier to start air purification when the control unit determines that the air in the vehicle is unqualified.
Optionally, the system further comprises an early warning system;
the vehicle-mounted controller is further used for controlling the early warning system to perform early warning when the control unit determines that the carbon monoxide in the air in the vehicle is unqualified.
Optionally, the number of the sensor units of the array sensor is 8-32.
The embodiment of the invention provides an in-vehicle air quality control system, which comprises: the system comprises a micro vacuum pump, an array sensor, a control unit, a vehicle machine controller and a vehicle window system; wherein: the micro vacuum pump is used for pumping air in the vehicle into the array sensor based on a control signal of the control unit; the array sensor is used for detecting the content of harmful gas in the air in the vehicle to obtain a response value; the control unit is used for judging whether the air in the vehicle is qualified or not according to the response value; and the vehicle-mounted machine controller is used for controlling the vehicle window system to open the vehicle window when the control unit determines that the air in the vehicle is unqualified. According to the air quality control system in the vehicle, disclosed by the embodiment of the invention, the array sensor is adopted to detect various harmful gases in the vehicle, so that the system can quickly respond when the air quality in the vehicle is unqualified, and can perform early warning and air updating to ensure the air quality safety in the vehicle.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts. In the drawings:
fig. 1 is a schematic structural diagram illustrating an in-vehicle air quality control system according to a first embodiment of the present invention;
fig. 2 shows a schematic diagram of the compensation factor acquisition in the first embodiment of the present invention.
Description of the drawings: 10-a micro vacuum pump; 20-an array sensor; 30-a control unit; 40-a vehicle controller; 50-a window system; 60-an air conditioning system; 70-an air purifier; 80-early warning system; 91-a display screen; 92-power supply.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Further, please refer to the following examples:
referring to fig. 1, a schematic structural diagram of an in-vehicle air quality control system according to a first embodiment of the present invention is shown. The main structure of the in-vehicle air quality control system comprises: the system comprises a micro vacuum pump, an array sensor, a control unit, a vehicle machine controller and a vehicle window system; in addition, the in-vehicle air quality control system may further include: air conditioning system, air purifier, early warning system, display screen and power etc..
The function, function and cooperation of the above-mentioned components will be explained and explained in detail.
And the micro vacuum pump is used for pumping air in the vehicle into the array sensor based on the control signal of the control unit. Specifically, the micro vacuum pump collects air in the vehicle and sends the air in the vehicle into the array sensor according to a certain flow rate, so that the array sensor can detect the air. The working flow of the micro vacuum pump is controlled by the control unit.
And the array sensor is used for detecting the content of harmful gas in the air in the vehicle to obtain a response value.
In this embodiment, the array sensor may be used to detect a variety of harmful gases, thereby obtaining corresponding models. The array sensor is adopted to detect the quality of air in the vehicle, so that the volume of a vehicle detection module can be effectively reduced, and different types of gas can be conveniently expanded and detected through sample calibration and model training. The array sensor has 8-32 sensor units, and can effectively detect the following harmful gases: carbon monoxide, carbon dioxide, formaldehyde, TVOC (Total Volatile Organic Compounds), hydrogen sulfide, and alcohol. That is, the array sensor in the present embodiment may be configured to detect any one or more of the above-described harmful gases. In addition, the array sensor can also effectively control the cost when guaranteeing to accurately detect various types of harmful gases.
In particular, the micro vacuum pump may be specifically used for: and pumping air in the vehicle into the array sensor at a flow rate of 100-200 ml/min based on a control signal of the control unit. When the number of the sensor units is 8-32, the flow range of 100 ml/min-200 ml/min can better cover the detection of various gases, and higher accuracy is ensured. For example, the flow rate is controlled to be 100 ml/min-120 ml/min, such as 100ml/min, 110ml/min, 115ml/min and the like, when detecting carbon monoxide, carbon dioxide, formaldehyde and TVOC; the hydrogen sulfide and alcohol flow rates are controlled to be 180 ml/min-200 ml/min, such as 180ml/min, 185ml/min, 190ml/min and the like.
When the array sensor works, the array sensor is used for detecting the content of harmful gases in the air in the vehicle within the temperature range of 250-500 ℃ to obtain a response value. The sensitivity of the array sensor to different harmful gases can be adjusted by controlling the working temperature of the array sensor, so that different harmful gases can be selected for detection. The temperature of the sensor units in the array sensor can be controlled and maintained by the heated ceramic plate.
For an array sensor, a corresponding recognition model may be constructed in advance. When harmful gas detection is carried out, the slope value of the conductance logarithm and time curve of the sensor unit is obtained through model optimization and feature extraction, and the digital signal of the gas concentration can be obtained through mode identification of the control unit. The principle of the process of converting the harmful gas concentration into the digital signal by the array sensor can be understood by referring to the prior art, and is not described in detail in this embodiment.
And the control unit can generate a control signal, and the control signal is sent to the micro vacuum pump to control the micro vacuum pump. And the controller is also used for judging whether the air in the vehicle is qualified or not according to the response value.
The control unit may be a processor or microcontroller provided with the functionality described above. Since the array sensor feeds back the raw signal after detecting the air, the corresponding concentration signal can be obtained through further processing by the control unit. Specifically, the control unit may be specifically configured to:
according to the response value, obtaining a detection value of the harmful gas; carrying out environmental compensation on the detection value to obtain a compensation detection value; specifically, the environmental compensation includes: time-varying drift compensation, in-vehicle component interference compensation, temperature compensation, equipment difference compensation and humidity compensation. The compensation is a multitask orthogonal array compensation method aiming at various compensation factors in the vehicle internal environment, and the qualification of air quality judgment can be further improved after the compensation.
For the determination of the compensation coefficient, two arrays of sensors, one master sensor and the other slave sensor, can be used for any harmful gas, as shown in fig. 2. The main sensor is a calibrated standard sensor; firstly, the compensation value of the slave sensor is calculated by measuring in calibration samples with different concentrations, so that a compensation curve is obtained by fitting. Finally, when the slave sensor is used for measurement, the compensation can be carried out on the basis of the compensation curve pair to obtain a final correction value.
The compensation values can be used for obtaining corresponding compensation models through sample calibration and model training, and the compensation models can be regression modules, neural network models and the like without limitation. Common models can be selected, and the training process is not repeated in this embodiment of the prior art. For any compensation, the trained model can output a corresponding single compensation value when the air environment parameters in the vehicle are input. The parameters of the air environment in the vehicle comprise two or more than two of the following parameters: ambient temperature, humidity, composition of air in the vehicle, time of use of the device, vehicle state, size of space in the vehicle, and the like.
And then, judging whether the air in the vehicle is qualified or not according to the compensation detection value. .
After the control unit compensates the response value output by the array sensor, the compensation detection value is closer to the actual harmful gas concentration, and the detection result is more accurate. The accuracy of qualified judgment of the quality of the air in the vehicle is improved.
For example, when the concentration of formaldehyde is detected, the ambient temperature of the equipment is 30 ℃, the humidity is 35% RH, the equipment is used for one year, and the driving condition is adopted. The single compensation values are obtained through single compensation training and measurement, the known time-varying drift compensation value is 0.005ppm (+), the detection equipment difference compensation value is 0.02ppm (-), the in-vehicle component interference compensation value is 0.02ppm (-), the temperature compensation value is 0.01ppm (+), and the humidity compensation value is 0.01ppm (+). Under the standard working condition, the response value of the formaldehyde concentration is 0.2ppm, and the compensation detection value is 0.185ppm through linear compensation calculation.
The control unit may be powered by a power source, which may be an on-board battery. In addition, the control unit can also be connected to a memory unit for storing measured values or compensated measured values. The device can also be connected with a display screen through an output port, the display screen can be a vehicle-mounted central control screen, the current response value or the compensation detection value can be displayed through the display screen, and the historical detection value can also be displayed.
In the embodiment, the compensation calculation and the judgment calculation are both completed by the control unit, and the judgment result is sent to the vehicle-mounted controller, so that the calculation and judgment efficiency is improved.
And the vehicle-mounted machine controller is used for controlling the vehicle window system to open the vehicle window when the control unit determines that the air in the vehicle is unqualified. The vehicle controller may be a running computer of the vehicle, i.e., an Electronic Control Unit (ECU). The vehicle-mounted machine controller can control a vehicle window system, an air conditioning system, an air purifier and an early warning system based on a judgment result calculated by the control unit. The car machine Controller and the control unit CAN be connected through a Controller Area Network (CAN) bus communication.
Specifically, the vehicle-mounted controller is further used for controlling the air conditioning system to open the air conditioning external circulation when the control unit determines that the air in the vehicle is unqualified; the air purifier is also used for controlling the air purifier to start air purification when the control unit determines that the air in the vehicle is unqualified; and the early warning system is also used for controlling the early warning system to carry out early warning when the control unit determines that the carbon monoxide in the air in the vehicle is unqualified. The air in the vehicle can be updated and purified in time through the control process, so that the quality of the air in the vehicle is qualified.
Specifically, in this embodiment, the vehicle controller may perform coordinated control on the plurality of systems according to the type of the unqualified harmful gas detected by the control unit. At the moment, when the control unit detects that the content of the harmful gas is unqualified, the control unit outputs which harmful gas is unqualified to the vehicle controller. At this moment, the control mode of the vehicle machine controller can enter the following steps:
when the control unit detects that the content of the carbon monoxide exceeds 8ppm, the carbon monoxide content in the vehicle is judged to be unqualified, and a first signal is sent to the vehicle controller. And the vehicle controller controls the air conditioning system to start the air conditioning external circulation, controls the vehicle window system to start all vehicle windows and skylights, and controls the early warning system to start the buzzer to give an alarm. Because the carbon monoxide can cause poisoning of drivers and passengers, the maximum protection and early warning functions can be realized for the drivers and the passengers through linkage control. The threshold concentration for determining whether the carbon monoxide content is acceptable may be a value within the range of 8ppm ± 1 ppm. Adjusting the concentration threshold within this range can be beneficial to compensation adjustment for different geographical ranges, such as vehicle seasons, to improve the reliability of judgment and control, and the concentration threshold setting is the same hereafter and will not be described any further.
And when the control unit detects that the carbon dioxide content exceeds 700ppm, judging that the carbon dioxide content in the vehicle is unqualified, and sending a second signal to the vehicle controller by the control unit. And the vehicle controller controls the air conditioning system to open the air conditioning external circulation function and controls the vehicle window system to open the vehicle window in a small range. The threshold concentration for determining whether the carbon dioxide content is acceptable may be a value within a range of 700ppm + -50 ppm.
When the control unit detects that the formaldehyde content exceeds 0.075ppm, the formaldehyde content in the car is judged to be unqualified, and the control unit sends a third signal to the car controller. And the car machine controller controls the car window system to open the car window in a small amplitude and controls the air purifier to start. The threshold concentration for determining whether the formaldehyde content is acceptable may be a value within the range of 0.075ppm ± 0.005 ppm.
When the control unit detects that the TVOC content exceeds 0.15ppm, the TVOC content in the vehicle is judged to be unqualified, and the control unit sends a fourth signal to the vehicle controller. And the car machine controller controls the car window system to open the car window in a small amplitude and controls the air purifier to start. The threshold concentration for determining whether the TVOC content is acceptable may be a value within the range of 0.15ppm + -0.02 ppm.
When the control unit detects that the alcohol concentration exceeds 50ppm, the alcohol concentration in the vehicle is judged to be unqualified, and the control unit sends a fifth signal to the vehicle controller. The car machine controller controls the air conditioning system to open the air conditioning external circulation function, controls the car window system to open the car window in a small amplitude, controls the early warning system to start, and plays a warning sound to warn a driver, such as 'driving without drinking'. When the control unit detects that the alcohol concentration exceeds 200ppm, the alcohol concentration in the vehicle is judged to be unqualified, and the control unit sends a fifth signal to the vehicle controller. The car machine controller controls the air conditioning system to open the air conditioning external circulation function, controls the car window system to open the car window in a small range, controls the early warning system to start, and plays a warning sound to warn a driver, such as 'drive without drunkenness'. Judging whether the concentration threshold value of drinking can be a value within the range of 50ppm +/-4 ppm; the threshold concentration for determining whether intoxication is a value within the range of 200ppm + -10 ppm.
By the linkage control of different harmful gases, the reliability of control updating and early warning in the vehicle can be effectively ensured.
In summary, the present embodiment provides an in-vehicle air quality control system, including: the system comprises a micro vacuum pump, an array sensor, a control unit, a vehicle machine controller and a vehicle window system; wherein: the micro vacuum pump is used for pumping air in the vehicle into the array sensor based on a control signal of the control unit; the array sensor is used for detecting the content of harmful gas in the air in the vehicle to obtain a response value; the control unit is used for judging whether the air in the vehicle is qualified or not according to the response value; and the vehicle-mounted machine controller is used for controlling the vehicle window system to open the vehicle window when the control unit determines that the air in the vehicle is unqualified. The in-car air quality control system of this embodiment adopts array sensor can detect multiple harmful gas in the car, when the air quality is unqualified in the car, but quick response to carry out early warning and renewal air, guarantee air quality safety in the car.
The term "and/or" appearing herein is merely one type of associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship; the word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An in-vehicle air quality control system, comprising: the system comprises a micro vacuum pump, an array sensor, a control unit, a vehicle machine controller and a vehicle window system; wherein:
the micro vacuum pump is used for pumping air in the vehicle into the array sensor based on the control signal of the control unit;
the array sensor is used for detecting the content of harmful gas in the air in the vehicle to obtain a response value;
the control unit is used for judging whether the air in the vehicle is qualified or not according to the response value;
and the vehicle-mounted machine controller is used for controlling the vehicle window system to open the vehicle window when the control unit determines that the air in the vehicle is unqualified.
2. The in-vehicle air quality control system of claim 1, wherein the control unit is specifically configured to:
obtaining a detection value of the harmful gas according to the response value;
carrying out environmental compensation on the detection value to obtain a compensation detection value;
and judging whether the air in the vehicle is qualified or not according to the compensation detection value.
3. The in-vehicle air quality control system of claim 2, wherein the environmental compensation comprises: time-varying drift compensation, in-vehicle component interference compensation, temperature compensation, equipment difference compensation and humidity compensation.
4. The in-vehicle air quality control system of claim 1, wherein the micro vacuum pump is specifically configured to:
and pumping air in the vehicle into the array sensor at a flow rate of 100-200 ml/min based on a control signal of the control unit.
5. The in-vehicle air quality control system of claim 1, wherein the harmful gas detected by the array sensor comprises any one or more of: carbon monoxide, carbon dioxide, formaldehyde, TVOC, hydrogen sulfide, and alcohol.
6. The in-vehicle air quality control system according to claim 1, wherein the array sensor is specifically configured to detect a content of harmful gas in the in-vehicle air at a temperature range of 250 ℃ to 500 ℃ to obtain a response value.
7. The in-vehicle air quality control system of claim 1, further comprising an air conditioning system;
the vehicle-mounted controller is further used for controlling the air conditioning system to open the air conditioning external circulation when the control unit determines that the air in the vehicle is unqualified.
8. The in-vehicle air quality control system of claim 1, further comprising an air purifier;
the vehicle-mounted controller is further used for controlling the air purifier to start air purification when the control unit determines that the air in the vehicle is unqualified.
9. The in-vehicle air quality control system of claim 1, further comprising an early warning system;
the vehicle-mounted controller is further used for controlling the early warning system to perform early warning when the control unit determines that the carbon monoxide in the air in the vehicle is unqualified.
10. The in-vehicle air quality control system according to claim 1, wherein the number of the sensor units of the array sensor is 8-32.
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| CN115792135A (en) * | 2023-01-10 | 2023-03-14 | 北京车讯骏都互联网有限公司 | Method, system and medium for testing air quality in vehicle |
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| CN209624543U (en) * | 2019-03-04 | 2019-11-12 | 天津卡达克数据有限公司 | A kind of gas-detecting device |
| CN110426490A (en) * | 2019-07-25 | 2019-11-08 | 北京市劳动保护科学研究所 | A kind of the temperature and humidity drift compensation method and device of pernicious gas on-line computing model |
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