WO2017193686A1 - Treatment device for nitrogen dioxide in automobile cabin - Google Patents

Treatment device for nitrogen dioxide in automobile cabin Download PDF

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Publication number
WO2017193686A1
WO2017193686A1 PCT/CN2017/075934 CN2017075934W WO2017193686A1 WO 2017193686 A1 WO2017193686 A1 WO 2017193686A1 CN 2017075934 W CN2017075934 W CN 2017075934W WO 2017193686 A1 WO2017193686 A1 WO 2017193686A1
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WO
WIPO (PCT)
Prior art keywords
automobile
purifier
nitrogen dioxide
exhaust gas
car
Prior art date
Application number
PCT/CN2017/075934
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French (fr)
Chinese (zh)
Inventor
黄方元
黄安武
Original Assignee
黄方元
黄安武
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Publication date
Application filed by 黄方元, 黄安武 filed Critical 黄方元
Publication of WO2017193686A1 publication Critical patent/WO2017193686A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2086—Activating the catalyst by light, photo-catalysts
    • 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
    • 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
    • B60H1/00764—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 a vehicle driving condition, e.g. speed
    • 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
    • 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
    • B60H1/00807—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 a specific way of measuring or calculating an air or coolant temperature
    • 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
    • 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
    • E05F15/71—Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Definitions

  • the invention relates to the field of automobiles, and in particular relates to a nitrogen dioxide treatment device in an automobile compartment.
  • the present invention provides a nitrogen dioxide treatment device in an automobile compartment, which can reduce nitrogen dioxide in the automobile compartment and ensure the physical safety of passengers in the vehicle compartment.
  • the present invention adopts the following technical solutions:
  • a nitrogen dioxide treatment device in an automobile compartment comprising:
  • a gas detector connected to the outlet of the automobile exhaust gas purifier for detecting the exhaust gas of the automobile discharged from the outlet of the automobile exhaust gas purifier to obtain a nitrogen dioxide content
  • a temperature sensor for detecting the temperature inside the car compartment
  • a central control MCU for determining whether the nitrogen dioxide content exceeds a first threshold, If yes, reading the current driving speed of the automobile, and when the current driving speed of the automobile is less than the second threshold and the temperature in the automobile compartment is greater than the third threshold, issuing an instruction to control all the side windows of the automobile to be closed, and automatically turning on the air conditioning of the automobile, Automobile sunroof and automobile second purifier valve;
  • a second purifier for receiving the vehicle exhaust gas discharged from the outlet of the automobile exhaust gas purifier when the second purifier valve of the automobile is opened, passing the automobile exhaust gas through a titanium dioxide photocatalytic reaction layer, and emitting by using an ultraviolet lamp Ultraviolet light is used to absorb and treat nitrogen dioxide.
  • the nitrogen dioxide treatment device in the automobile compartment of the present invention automatically determines whether it is necessary to close the side window of the automobile and open the automobile according to the content of nitrogen dioxide in the exhaust gas of the automobile, the temperature inside the automobile compartment, and the current traveling speed of the automobile.
  • the air conditioner and the sunroof of the car while discharging the exhaust of the car into the second purifier of the car for nitrogen dioxide treatment, thereby reducing the content of nitrogen dioxide dispersed in the car compartment when the car is jammed from the source, thereby greatly ensuring the passengers in the car. Physical safety.
  • FIG. 1 is a schematic flow chart of a nitrogen dioxide treatment device in an automobile compartment according to an embodiment of the present invention.
  • a nitrogen dioxide treatment device in an automobile compartment provided by the present invention, include:
  • a gas detector 101 connected at the outlet of the automobile exhaust gas purifier for detecting the exhaust gas of the automobile discharged from the outlet of the automobile exhaust gas purifier to obtain a nitrogen dioxide content
  • a temperature sensor 102 for detecting the temperature inside the automobile compartment
  • a central control unit (MCU) 103 for determining whether the nitrogen dioxide content exceeds a first threshold, and if so, reading a current traveling speed of the automobile, and the current traveling speed of the automobile is less than the second When the threshold value and the temperature in the automobile compartment are greater than the third threshold, issuing an instruction to control all the side windows of the automobile to be closed, and automatically opening the air conditioner of the automobile, the sunroof of the automobile, and the second purifier valve of the automobile;
  • the automobile second purifier 104 is configured to receive the automobile exhaust gas discharged from the outlet of the automobile exhaust gas purifier when the second purifier valve of the automobile is opened, pass the automobile exhaust gas through the titanium dioxide photocatalytic reaction layer, and utilize the ultraviolet lamp
  • the way of emitting ultraviolet light is to absorb and treat the nitrogen dioxide.
  • the current driving speed of the automobile is used to determine whether the vehicle is currently in a traffic jam state.
  • the passenger In consideration of the traffic jam state, the passenger generally selects the taxi side window to observe the traffic environment, and is scattered at this time.
  • the exhaust of the vehicle in the air is very likely to enter the car compartment through the side window of the car, thereby polluting the environment of the car; and the pollution will become more serious at any time in the car compartment, so it is preset in the embodiment of the present invention.
  • Threshold when the current running speed of the automobile is less than the second threshold and the temperature inside the automobile compartment is greater than the third threshold, all the side windows of the automobile are automatically closed by the vehicle central control MCU system, and the automobile exhaust in the air is prevented from entering the automobile compartment through the side window of the automobile.
  • the car air conditioner and the car sunroof are automatically turned on, on the one hand, the harmful gas of the original car is discharged, and the passage is passed.
  • the powerful purification function of the car air conditioner filters out a large amount of harmful gases, allowing clean air to enter the car compartment.
  • the automobile exhaust gas is discharged into the second purifier of the automobile by opening the second purifier valve of the automobile to perform secondary treatment on the nitrogen dioxide or other harmful gas.
  • the automobile second purifier is a device specially used for secondary absorption treatment of various harmful gases in the automobile exhaust gas, which can be connected at the exit of the automobile exhaust gas purifier, when the second purifier valve of the automobile is opened
  • the automobile second purifier receives the automobile exhaust gas discharged from the outlet of the automobile exhaust gas purifier, passes the automobile exhaust gas through the titanium dioxide photocatalytic reaction layer, and absorbs and treats the nitrogen dioxide by using ultraviolet light to emit ultraviolet rays.
  • the gas detector may be a composite gas detector, and the hybrid multi-gas detector may be equipped with a plurality of gas detecting sensors required on one instrument, for example, in the embodiment of the present invention.
  • the two gas detecting sensors of nitrogen dioxide and carbon monoxide are equipped on a single instrument, so that in addition to being capable of detecting the nitrogen dioxide content, the present invention can detect the carbon monoxide content from the automobile exhaust gas.
  • carbon monoxide may be subjected to secondary treatment after the carbon monoxide is retrieved. Specifically, carbon monoxide is secondarily absorbed by further filling a carbon monoxide adsorbent in the second purifier, thereby reducing carbon monoxide in the automobile exhaust gas which is dispersed into the vehicle compartment from the root source.
  • the carbon monoxide absorbent may be a composition composed of a porous inorganic carrier and a binary complex of a nitride and copper chloride carried thereon, wherein the nitride accounts for 0.37-0.58 molar ratio;
  • the carrier comprises: a honeycomb ceramic, activated carbon or titanium oxide; the nitride is pyridine and Compositions.
  • the automotive central control MCU may be further configured to: obtain an exhaust pressure value at an exhaust pipe outlet of the automobile engine, and calculate an actual number of times the exhaust pressure value is greater than or equal to a predetermined value within a predetermined time. And determining whether the actual number of times is greater than or equal to a fourth threshold; if yes, sending a delay instruction to open the second purifier valve of the automobile, and controlling the second purifier valve of the automobile according to the delay instruction The opening time, and within this opening time, stop obtaining the exhaust pressure value at the outlet of the exhaust pipe of the automobile engine.
  • the road condition of the vehicle is automatically determined to be complicated, for example, uphill.
  • the passengers in the compartment are most likely to be polluted by the automobile exhaust gas.
  • the opening time of the second purifier valve of the automobile can be extended, for example, extended to 5 minutes or 10 minutes.
  • the opening time can be set in advance, and the specific setting process can adopt the prior art, and details are not described herein.
  • the predetermined time, the predetermined value, the first threshold, the second threshold, the third threshold, the fourth threshold, and the like may be set by using similar means according to actual needs.
  • the central control MCU of the automobile may be further configured to: extract a time value in the delay instruction, and open a timer after opening the second purifier valve of the automobile, where Turning off the second purifier of the car when the timer reaches the time value a valve; wherein the time value is automatically generated and encoded into the delay command according to a predetermined formula according to the three parameters of the exhaust pressure value, the actual number of times, and the current traveling speed of the vehicle.
  • the time value is It is proportional to the exhaust pressure value and the actual number of times, and is inversely proportional to the current traveling speed of the automobile.
  • the automotive central control MCU can also be used to: acquire the rotational speed of the automobile engine and the temperature of the second purifier of the automobile in real time, according to the rotational speed, the temperature in the second purifier of the automobile, and the row.
  • the gas pressure value and the nitrogen dioxide content calculate a reference speed, and the speed at which the vehicle exhaust is discharged into the second purifier of the automobile is adjusted according to the reference speed.
  • V is the reference speed
  • r is the rotational speed of the automobile engine
  • C is the nitrogen dioxide content
  • T is the temperature in the second purifier of the automobile
  • P is the exhaust pressure value
  • a is a constant conversion coefficient, which is between 0.43 Between 0.66.
  • the nitrogen dioxide treatment device in the automobile compartment of the embodiment of the present invention can automatically determine whether it is necessary to close the side window of the automobile according to the content of nitrogen dioxide in the exhaust gas of the automobile, the temperature inside the automobile compartment, and the current traveling speed of the automobile. And open the car air conditioner and the car sunroof, while discharging the car exhaust into the car's second purifier for nitrogen dioxide
  • the treatment reduces the amount of nitrogen dioxide dispersed in the car compartment when the car is jammed from the source, which greatly ensures the safety of the passengers in the car.

Abstract

A treatment device for nitrogen dioxide in an automobile cabin, said device comprising: a gas detector (101), used for detecting automobile exhaust gas discharged from an automobile exhaust gas purifier outlet, and obtaining a nitrogen dioxide amount; a temperature sensor (102), used for detecting the automobile cabin interior temperature; an automobile control MCU (103), used for determining whether the nitrogen dioxide amount exceeds a first threshold value, and if yes, reading the automobile current driving speed, and when the automobile current driving speed is less than a second threshold value and the automobile cabin interior temperature is greater than a third threshold value, issuing a command to control all automobile side windows to close, and automatically turning on automobile air conditioning and opening an automobile sunroof and an automobile second purifier valve; an automobile second purifier (104), used for absorbing and treating nitrogen dioxide. The treatment device for nitrogen dioxide in an automobile cabin reduces nitrogen dioxide in an automobile cabin, and ensures the physical safety of passengers in the cabin.

Description

汽车车厢内的二氧化氮处理装置Nitrogen dioxide treatment device in automobile compartment 技术领域Technical field
本发明涉及汽车领域，具体涉及一种汽车车厢内的二氧化氮处理装置。The invention relates to the field of automobiles, and in particular relates to a nitrogen dioxide treatment device in an automobile compartment.
背景技术Background technique
在堵车时，所有汽车都处于停止或缓慢行驶状态，此时汽车尾气将不可避免地散布在空气中，并通过汽车的侧窗进入汽车车厢内。研究表明，汽车车厢内的尾气污染将严重影响人体的健康，例如，汽车尾气中的二氧化氮(NO2)是一种具有腐蚀性的气体，吸入二氧化氮气体初期便会有轻微的眼及上呼吸道刺激症状，如咽部不适、干咳等，且经过数小时潜伏期后则会发生胸闷、呼吸窘迫、咳嗽、咯泡沫痰、紫绀等，重者甚至可能会使人昏厥。In the event of traffic jams, all cars are in a stopped or slow-moving state, at which point the car exhaust will inevitably be dispersed in the air and enter the car compartment through the side windows of the car. Research shows that car exhaust pollution in the passenger compartment will seriously affect human health, for example, automobile exhaust nitrogen dioxide (NO 2) is a corrosive gas having inhaled nitrogen dioxide gas will be the beginning of a slight eye And upper respiratory tract irritation, such as pharyngeal discomfort, dry cough, etc., and after a few hours of incubation period, chest tightness, respiratory distress, cough, sputum, cyanosis, etc., may even cause fainting.
发明内容Summary of the invention
基于此，本发明提供一种汽车车厢内的二氧化氮处理装置，能够减少汽车车厢内的二氧化氮，保障车厢内乘客的身体安全。Based on this, the present invention provides a nitrogen dioxide treatment device in an automobile compartment, which can reduce nitrogen dioxide in the automobile compartment and ensure the physical safety of passengers in the vehicle compartment.
为实现上述目的，本发明采用如下技术方案：To achieve the above object, the present invention adopts the following technical solutions:
一种汽车车厢内的二氧化氮处理装置，包括：A nitrogen dioxide treatment device in an automobile compartment, comprising:
连接在汽车尾气净化器出口处的气体检测器，用于对从汽车尾气净化器出口排出的汽车尾气进行检测，得到二氧化氮含量；a gas detector connected to the outlet of the automobile exhaust gas purifier for detecting the exhaust gas of the automobile discharged from the outlet of the automobile exhaust gas purifier to obtain a nitrogen dioxide content;
温度传感器，用于检测汽车车厢内温度；a temperature sensor for detecting the temperature inside the car compartment;
汽车中控MCU，用于判断所述二氧化氮含量是否超过第一阈值， 若是，则读取汽车当前行驶速度，并在所述汽车当前行驶速度小于第二阈值以及所述汽车车厢内温度大于第三阈值时，发出指令控制所有汽车侧窗关闭，并自动打开汽车空调、汽车天窗以及汽车第二净化器阀门；a central control MCU for determining whether the nitrogen dioxide content exceeds a first threshold, If yes, reading the current driving speed of the automobile, and when the current driving speed of the automobile is less than the second threshold and the temperature in the automobile compartment is greater than the third threshold, issuing an instruction to control all the side windows of the automobile to be closed, and automatically turning on the air conditioning of the automobile, Automobile sunroof and automobile second purifier valve;
汽车第二净化器，用于在所述汽车第二净化器阀门打开时，接收所述汽车尾气净化器出口排出的汽车尾气，将所述汽车尾气通过二氧化钛光催化反应层，并利用紫外灯发射紫外线的方式来对二氧化氮进行吸收和处理。a second purifier for receiving the vehicle exhaust gas discharged from the outlet of the automobile exhaust gas purifier when the second purifier valve of the automobile is opened, passing the automobile exhaust gas through a titanium dioxide photocatalytic reaction layer, and emitting by using an ultraviolet lamp Ultraviolet light is used to absorb and treat nitrogen dioxide.
与现有技术相比，本发明的汽车车厢内的二氧化氮处理装置，根据汽车尾气中二氧化氮含量、汽车车厢内温度、汽车当前行驶速度来自动判断是否需要关闭汽车侧窗并打开汽车空调和汽车天窗，同时将汽车尾气排放到汽车第二净化器中进行二氧化氮处理，从而从源头上减少了汽车堵车时散布到汽车车厢内的二氧化氮含量，极大地保障了车厢内乘客的身体安全。Compared with the prior art, the nitrogen dioxide treatment device in the automobile compartment of the present invention automatically determines whether it is necessary to close the side window of the automobile and open the automobile according to the content of nitrogen dioxide in the exhaust gas of the automobile, the temperature inside the automobile compartment, and the current traveling speed of the automobile. The air conditioner and the sunroof of the car, while discharging the exhaust of the car into the second purifier of the car for nitrogen dioxide treatment, thereby reducing the content of nitrogen dioxide dispersed in the car compartment when the car is jammed from the source, thereby greatly ensuring the passengers in the car. Physical safety.
附图说明DRAWINGS
图1为本发明的实施例中一种汽车车厢内的二氧化氮处理装置的流程示意图。1 is a schematic flow chart of a nitrogen dioxide treatment device in an automobile compartment according to an embodiment of the present invention.
具体实施方式detailed description
下面，结合附图以及具体实施方式，对本发明做进一步描述：The present invention will be further described below in conjunction with the drawings and specific embodiments.
参照图1，本发明所提供的一种汽车车厢内的二氧化氮处理装置， 包括：Referring to Figure 1, a nitrogen dioxide treatment device in an automobile compartment provided by the present invention, include:
连接在汽车尾气净化器出口处的气体检测器101，用于对从汽车尾气净化器出口排出的汽车尾气进行检测，得到二氧化氮含量；a gas detector 101 connected at the outlet of the automobile exhaust gas purifier for detecting the exhaust gas of the automobile discharged from the outlet of the automobile exhaust gas purifier to obtain a nitrogen dioxide content;
温度传感器102，用于检测汽车车厢内温度；a temperature sensor 102 for detecting the temperature inside the automobile compartment;
汽车中控MCU(Microcontroller Unit，微控制单元)103，用于判断所述二氧化氮含量是否超过第一阈值，若是，则读取汽车当前行驶速度，并在所述汽车当前行驶速度小于第二阈值以及所述汽车车厢内温度大于第三阈值时，发出指令控制所有汽车侧窗关闭，并自动打开汽车空调、汽车天窗以及汽车第二净化器阀门；a central control unit (MCU) 103 for determining whether the nitrogen dioxide content exceeds a first threshold, and if so, reading a current traveling speed of the automobile, and the current traveling speed of the automobile is less than the second When the threshold value and the temperature in the automobile compartment are greater than the third threshold, issuing an instruction to control all the side windows of the automobile to be closed, and automatically opening the air conditioner of the automobile, the sunroof of the automobile, and the second purifier valve of the automobile;
汽车第二净化器104，用于在所述汽车第二净化器阀门打开时，接收所述汽车尾气净化器出口排出的汽车尾气，将所述汽车尾气通过二氧化钛光催化反应层，并利用紫外灯发射紫外线的方式来对二氧化氮进行吸收和处理。The automobile second purifier 104 is configured to receive the automobile exhaust gas discharged from the outlet of the automobile exhaust gas purifier when the second purifier valve of the automobile is opened, pass the automobile exhaust gas through the titanium dioxide photocatalytic reaction layer, and utilize the ultraviolet lamp The way of emitting ultraviolet light is to absorb and treat the nitrogen dioxide.
本发明实施例中，当二氧化氮含量超标时，通过获取汽车当前行驶速度来判断当前是否处于堵车状态，考虑到堵车状态下，乘客一般会选择打车侧窗以观察交通环境，此时散布在空气中的汽车尾气极有可能通过汽车侧窗进入到汽车车厢内，从而污染车厢环境；并且，随时汽车车厢内温度的升高，这种污染将越发严重，故本发明实施例中预先设定阈值，在汽车当前行驶速度小于第二阈值并且汽车车厢内温度大于第三阈值时，通过汽车中控MCU系统来控制所有汽车侧窗自动关闭，防止空气中的汽车尾气通过汽车侧窗进入汽车车厢；同时自动打开汽车空调、汽车天窗，一方面排出原来车厢的有害气体，并通过 汽车空调的强大净化功能来过滤掉大量有害气体，让干净的空气进入汽车车厢内。In the embodiment of the present invention, when the nitrogen dioxide content exceeds the standard, the current driving speed of the automobile is used to determine whether the vehicle is currently in a traffic jam state. In consideration of the traffic jam state, the passenger generally selects the taxi side window to observe the traffic environment, and is scattered at this time. The exhaust of the vehicle in the air is very likely to enter the car compartment through the side window of the car, thereby polluting the environment of the car; and the pollution will become more serious at any time in the car compartment, so it is preset in the embodiment of the present invention. Threshold, when the current running speed of the automobile is less than the second threshold and the temperature inside the automobile compartment is greater than the third threshold, all the side windows of the automobile are automatically closed by the vehicle central control MCU system, and the automobile exhaust in the air is prevented from entering the automobile compartment through the side window of the automobile. At the same time, the car air conditioner and the car sunroof are automatically turned on, on the one hand, the harmful gas of the original car is discharged, and the passage is passed. The powerful purification function of the car air conditioner filters out a large amount of harmful gases, allowing clean air to enter the car compartment.
在排掉车厢内二氧化氮之后，考虑到空气中仍然会存在尾气，因此为了保障乘客的安全和保护环境，还需要从根源上减少飘散到车厢内的汽车尾气。本发明实施例中，通过打开汽车第二净化器阀门，将汽车尾气排放到汽车第二净化器中以对二氧化氮或其他有害气体进行二次处理。汽车第二净化器是专门用来对汽车尾气中的各种有害气体进行二次吸收处理的一个装置，其可以连接在汽车尾气净化器出口之处，在所述汽车第二净化器阀门打开时，汽车第二净化器接收所述汽车尾气净化器出口排出的汽车尾气，将所述汽车尾气通过二氧化钛光催化反应层，并利用紫外灯发射紫外线的方式来对二氧化氮进行吸收和处理。After draining the nitrogen dioxide in the compartment, it is considered that there will still be exhaust gas in the air, so in order to protect the safety of the passengers and protect the environment, it is also necessary to reduce the exhaust of the vehicle that is scattered into the compartment from the root. In the embodiment of the present invention, the automobile exhaust gas is discharged into the second purifier of the automobile by opening the second purifier valve of the automobile to perform secondary treatment on the nitrogen dioxide or other harmful gas. The automobile second purifier is a device specially used for secondary absorption treatment of various harmful gases in the automobile exhaust gas, which can be connected at the exit of the automobile exhaust gas purifier, when the second purifier valve of the automobile is opened The automobile second purifier receives the automobile exhaust gas discharged from the outlet of the automobile exhaust gas purifier, passes the automobile exhaust gas through the titanium dioxide photocatalytic reaction layer, and absorbs and treats the nitrogen dioxide by using ultraviolet light to emit ultraviolet rays.
在另外一个实施例中，所述气体检测器可以采用复合式气体检测仪，复合式多气体检测仪可以在一台仪器上配备所需的多个气体检测传感器，例如，本发明实施例中可以把二氧化氮和一氧化碳两个气体检测传感器配备在一台仪器上，这样一来，本发明除了能够检测二氧化氮含量之外，还能从所述汽车尾气中检测出一氧化碳含量。In another embodiment, the gas detector may be a composite gas detector, and the hybrid multi-gas detector may be equipped with a plurality of gas detecting sensors required on one instrument, for example, in the embodiment of the present invention. The two gas detecting sensors of nitrogen dioxide and carbon monoxide are equipped on a single instrument, so that in addition to being capable of detecting the nitrogen dioxide content, the present invention can detect the carbon monoxide content from the automobile exhaust gas.
考虑到除了二氧化氮之外，对车厢内乘客身体危害最大的有害气体是一氧化碳，因此本发明实施例中在检索出一氧化碳之后，还可以对一氧化碳进行二次处理。具体通过在第二净化器内还填充一氧化碳吸附剂来对一氧化碳进行二次吸收，从而从根源上减少飘散到车厢内的汽车尾气中的一氧化碳。所述一氧化碳吸收剂可以为由多孔无机载 体和其上所载有的氮化物和氯化铜的二元配合物构成的组合物，该组合物中氮化物占0.37-0.58摩尔比；所述无机载体包括：蜂窝陶瓷、活性炭或者氧化钛等；所述氮化物为吡啶及
Figure PCTCN2017075934-appb-000001
的组合物。In view of the fact that in addition to nitrogen dioxide, the most harmful gas to the passenger body in the vehicle compartment is carbon monoxide, in the embodiment of the present invention, carbon monoxide may be subjected to secondary treatment after the carbon monoxide is retrieved. Specifically, carbon monoxide is secondarily absorbed by further filling a carbon monoxide adsorbent in the second purifier, thereby reducing carbon monoxide in the automobile exhaust gas which is dispersed into the vehicle compartment from the root source. The carbon monoxide absorbent may be a composition composed of a porous inorganic carrier and a binary complex of a nitride and copper chloride carried thereon, wherein the nitride accounts for 0.37-0.58 molar ratio; The carrier comprises: a honeycomb ceramic, activated carbon or titanium oxide; the nitride is pyridine and
Figure PCTCN2017075934-appb-000001
Compositions.
作为优选的实施例，所述汽车中控MCU还可以用于：获取汽车发动机排气管出口处的排气压力值，计算所述排气压力值在预定时间内大于或等于预定值的实际次数，并判断所述实际次数是否大于或等于第四阈值；若是，则发送延长打开所述汽车第二净化器阀门的延时指令，并根据所述延时指令控制所述汽车第二净化器阀门的打开时间，并在该打开时间内停止获取汽车发动机排气管出口处的排气压力值。In a preferred embodiment, the automotive central control MCU may be further configured to: obtain an exhaust pressure value at an exhaust pipe outlet of the automobile engine, and calculate an actual number of times the exhaust pressure value is greater than or equal to a predetermined value within a predetermined time. And determining whether the actual number of times is greater than or equal to a fourth threshold; if yes, sending a delay instruction to open the second purifier valve of the automobile, and controlling the second purifier valve of the automobile according to the delay instruction The opening time, and within this opening time, stop obtaining the exhaust pressure value at the outlet of the exhaust pipe of the automobile engine.
本发明实施例中，当在预定时间内所述排气压力值大于或等于所述预定值的实际次数达到设定的第三阈值时，则自动判定汽车的行驶的路况比较复杂，例如上坡等，这时候车厢内的乘客受到汽车尾气污染的概率最大，此时可以延长汽车第二净化器阀门的打开时间，例如延长至5分钟或者10分钟等。该打开的时间可以预先进行设定，具体设定的过程可采用现有技术，此处不予赘述。同理，所述预定时间、预定值、第一阈值、第二阈值、第三阈值、第四阈值等均可根据实际需要采用相类似的手段进行设定。In the embodiment of the present invention, when the actual number of times that the exhaust pressure value is greater than or equal to the predetermined value reaches the set third threshold within a predetermined time, the road condition of the vehicle is automatically determined to be complicated, for example, uphill. At this time, the passengers in the compartment are most likely to be polluted by the automobile exhaust gas. At this time, the opening time of the second purifier valve of the automobile can be extended, for example, extended to 5 minutes or 10 minutes. The opening time can be set in advance, and the specific setting process can adopt the prior art, and details are not described herein. Similarly, the predetermined time, the predetermined value, the first threshold, the second threshold, the third threshold, the fourth threshold, and the like may be set by using similar means according to actual needs.
作为一个较好的实施例，所述汽车中控MCU还可以用于：提取所述延时指令中的时间值，并在打开所述汽车第二净化器阀门后，开启一个定时器，在该定时器到达所述时间值时关闭所述汽车第二净化器 阀门；其中，所述时间值是根据排气压力值、实际次数值以及汽车当前行驶速度这三个参数按照预定公式进行计算后自动生成并编码到延时指令中的，具体的，该时间值与所述排气压力值以及所述实际次数成正比关系，并与所述汽车当前行驶速度成反比关系。As a preferred embodiment, the central control MCU of the automobile may be further configured to: extract a time value in the delay instruction, and open a timer after opening the second purifier valve of the automobile, where Turning off the second purifier of the car when the timer reaches the time value a valve; wherein the time value is automatically generated and encoded into the delay command according to a predetermined formula according to the three parameters of the exhaust pressure value, the actual number of times, and the current traveling speed of the vehicle. Specifically, the time value is It is proportional to the exhaust pressure value and the actual number of times, and is inversely proportional to the current traveling speed of the automobile.
另外，作为一个较好的实施例，所述汽车中控MCU还可以用于：实时获取汽车发动机的转速以及汽车第二净化器内温度，根据所述转速、汽车第二净化器内温度、排气压力值以及二氧化氮含量计算出参考速度，并根据所述参考速度来调节汽车尾气排放到所述汽车第二净化器中的速度。In addition, as a preferred embodiment, the automotive central control MCU can also be used to: acquire the rotational speed of the automobile engine and the temperature of the second purifier of the automobile in real time, according to the rotational speed, the temperature in the second purifier of the automobile, and the row. The gas pressure value and the nitrogen dioxide content calculate a reference speed, and the speed at which the vehicle exhaust is discharged into the second purifier of the automobile is adjusted according to the reference speed.
本实施例中，可以采用如下公式来计算参考速度：In this embodiment, the following formula can be used to calculate the reference speed:
Figure PCTCN2017075934-appb-000002
Figure PCTCN2017075934-appb-000002
上式中，V为参考速度；r为汽车发动机的转速，C为二氧化氮含量，T为汽车第二净化器内温度，P为排气压力值，a为常数转换系数，介于0.43-0.66之间。通过控制尾气排放到汽车第二净化器中的的速度，使得二氧化氮能够在汽车第二净化器中被更完全的吸收，从而可以有效提高二氧化氮处理的效率，这样进入到汽车车厢内的二氧化氮自然也就减少了。特别的，经过大量的实验数据证明，当a的值取为0.53时，二氧化氮被吸收的效率最佳。In the above formula, V is the reference speed; r is the rotational speed of the automobile engine, C is the nitrogen dioxide content, T is the temperature in the second purifier of the automobile, P is the exhaust pressure value, and a is a constant conversion coefficient, which is between 0.43 Between 0.66. By controlling the speed at which the exhaust gas is discharged into the second purifier of the automobile, the nitrogen dioxide can be more completely absorbed in the second purifier of the automobile, so that the efficiency of the nitrogen dioxide treatment can be effectively improved, and thus entering the automobile compartment The nitrogen dioxide is naturally reduced. In particular, a large amount of experimental data proves that when the value of a is taken as 0.53, the efficiency of absorption of nitrogen dioxide is optimal.
通过以上方案可以看出，本发明实施例的汽车车厢内的二氧化氮处理装置，能够根据汽车尾气中二氧化氮含量、汽车车厢内温度、汽车当前行驶速度来自动判断是否需要关闭汽车侧窗并打开汽车空调和汽车天窗，同时将汽车尾气排放到汽车第二净化器中进行二氧化氮 处理，从而从源头上减少了汽车堵车时散布到汽车车厢内的二氧化氮含量，极大地保障了车厢内乘客的身体安全。It can be seen from the above scheme that the nitrogen dioxide treatment device in the automobile compartment of the embodiment of the present invention can automatically determine whether it is necessary to close the side window of the automobile according to the content of nitrogen dioxide in the exhaust gas of the automobile, the temperature inside the automobile compartment, and the current traveling speed of the automobile. And open the car air conditioner and the car sunroof, while discharging the car exhaust into the car's second purifier for nitrogen dioxide The treatment reduces the amount of nitrogen dioxide dispersed in the car compartment when the car is jammed from the source, which greatly ensures the safety of the passengers in the car.
对本领域的技术人员来说，可根据以上描述的技术方案以及构思，做出其它各种相应的改变以及形变，而所有的这些改变以及形变都应该属于本发明权利要求的保护范围之内。 Various other changes and modifications may be made by those skilled in the art in light of the above-described technical solutions and concepts, and all such changes and modifications are intended to fall within the scope of the appended claims.

Claims (4)

  1. 一种汽车车厢内的二氧化氮处理装置，其特征在于，包括：A nitrogen dioxide treatment device in an automobile compartment, characterized in that it comprises:
    连接在汽车尾气净化器出口处的气体检测器，用于对从汽车尾气净化器出口排出的汽车尾气进行检测，得到二氧化氮含量；a gas detector connected to the outlet of the automobile exhaust gas purifier for detecting the exhaust gas of the automobile discharged from the outlet of the automobile exhaust gas purifier to obtain a nitrogen dioxide content;
    温度传感器，用于检测汽车车厢内温度；a temperature sensor for detecting the temperature inside the car compartment;
    汽车中控MCU，用于判断所述二氧化氮含量是否超过第一阈值，若是，则读取汽车当前行驶速度，并在所述汽车当前行驶速度小于第二阈值以及所述汽车车厢内温度大于第三阈值时，发出指令控制所有汽车侧窗关闭，并自动打开汽车空调、汽车天窗以及汽车第二净化器阀门；a central control MCU for determining whether the nitrogen dioxide content exceeds a first threshold, and if so, reading a current traveling speed of the automobile, and the current driving speed of the automobile is less than a second threshold and the temperature in the automobile compartment is greater than At the third threshold, an instruction is issued to control the closing of all the side windows of the car, and the car air conditioner, the sunroof of the car, and the second purifier valve of the car are automatically opened;
    汽车第二净化器，用于在所述汽车第二净化器阀门打开时，接收所述汽车尾气净化器出口排出的汽车尾气，将所述汽车尾气通过二氧化钛光催化反应层，并利用紫外灯发射紫外线的方式来对二氧化氮进行吸收和处理；a second purifier for receiving the vehicle exhaust gas discharged from the outlet of the automobile exhaust gas purifier when the second purifier valve of the automobile is opened, passing the automobile exhaust gas through a titanium dioxide photocatalytic reaction layer, and emitting by using an ultraviolet lamp Ultraviolet light to absorb and treat nitrogen dioxide;
    所述汽车中控MCU还用于：提取所述延时指令中的时间值，并在打开所述汽车第二净化器阀门后，开启一个定时器，在该定时器到达所述时间值时关闭所述汽车第二净化器阀门；其中，所述时间值是根据所述排气压力值、实际次数以及汽车当前行驶速度进行计算后得到的，且该时间值与所述排气压力值以及所述实际次数成正比关系，并与所述汽车当前行驶速度成反比关系；The vehicle central control MCU is further configured to: extract a time value in the delay instruction, and after opening the second purifier valve of the automobile, start a timer, and close when the timer reaches the time value The second purifier valve of the automobile; wherein the time value is obtained according to the exhaust pressure value, the actual number of times, and the current running speed of the automobile, and the time value and the exhaust pressure value and the The actual number of times is proportional to the relationship and is inversely proportional to the current driving speed of the car;
    所述汽车中控MCU还用于：实时获取汽车发动机的转速以及汽车第二净化器内温度，根据所述转速、汽车第二净化器内温度、排气压力值以及二氧化氮含量计算出参考速度，并根据所述参考速度来调节 汽车尾气排放到所述汽车第二净化器中的速度。The vehicle central control MCU is further configured to: acquire the rotational speed of the automobile engine and the temperature of the second purifier of the automobile in real time, and calculate a reference according to the rotational speed, the temperature of the second purifier of the automobile, the exhaust pressure value, and the nitrogen dioxide content. Speed and adjust according to the reference speed The speed at which the vehicle exhaust is discharged into the second purifier of the car.
  2. 根据权利要求1所述的汽车车厢内的二氧化氮处理装置，其特征在于，所述气体检测器为复合式气体检测仪，还用于从所述汽车尾气中检测出一氧化碳含量。A nitrogen dioxide treatment apparatus in an automobile compartment according to claim 1, wherein said gas detector is a composite gas detector, and is further configured to detect a carbon monoxide content from said automobile exhaust gas.
  3. 根据权利要求2所述的汽车车厢内的二氧化氮处理装置，其特征在于，所述汽车第二净化器内还填充有一氧化碳吸附剂，用于吸收汽车尾气中的一氧化碳；所述一氧化碳吸收剂为由多孔无机载体和其上所载有的氮化物和氯化铜的二元配合物构成的组合物，该组合物中氮化物占0.37-0.58摩尔比；所述无机载体包括：蜂窝陶瓷、活性炭或者氧化钛；所述氮化物为吡啶及
    Figure PCTCN2017075934-appb-100001
    的组合物。    The nitrogen dioxide treatment device in an automobile compartment according to claim 2, wherein said second purifier of said automobile is further filled with a carbon oxide adsorbent for absorbing carbon monoxide in automobile exhaust gas; said carbon monoxide absorbent a composition comprising a porous inorganic carrier and a binary complex of a nitride and a copper chloride supported thereon, wherein the nitride comprises 0.37 to 0.58 molar ratio; the inorganic carrier comprises: a honeycomb ceramic, Activated carbon or titanium oxide; the nitride is pyridine and
    Figure PCTCN2017075934-appb-100001
    Compositions.
  4. 根据权利要求1所述的汽车车厢内的二氧化氮处理装置，其特征在于，所述汽车中控MCU还用于：The nitrogen dioxide treatment device in a vehicle compartment according to claim 1, wherein the automotive central control MCU is further configured to:
    获取汽车发动机排气管出口处的排气压力值，计算所述排气压力值在预定时间内大于或等于预定值的实际次数，并判断所述实际次数是否大于或等于第四阈值；若是，则发送延长打开所述汽车第二净化器阀门的延时指令，并根据所述延时指令控制所述汽车第二净化器阀门的打开时间，并在该打开时间内停止获取汽车发动机排气管出口处的排气压力值。 Obtaining an exhaust pressure value at an outlet of the exhaust pipe of the automobile engine, calculating an actual number of times that the exhaust pressure value is greater than or equal to a predetermined value within a predetermined time, and determining whether the actual number of times is greater than or equal to a fourth threshold; if yes, And sending a delay instruction for extending the second purifier valve of the automobile, and controlling an opening time of the second purifier valve of the automobile according to the delay instruction, and stopping acquiring the exhaust pipe of the automobile engine within the opening time The value of the exhaust pressure at the outlet.
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CN105952515A (en) * 2016-05-09 2016-09-21 黄安武 Nitrogen dioxide treatment device in automobile compartment
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