WO2017193688A1 - 检测汽车安全的方法 - Google Patents

检测汽车安全的方法 Download PDF

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Publication number
WO2017193688A1
WO2017193688A1 PCT/CN2017/075936 CN2017075936W WO2017193688A1 WO 2017193688 A1 WO2017193688 A1 WO 2017193688A1 CN 2017075936 W CN2017075936 W CN 2017075936W WO 2017193688 A1 WO2017193688 A1 WO 2017193688A1
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automobile
exhaust
purifier
exhaust gas
pressure value
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PCT/CN2017/075936
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English (en)
French (fr)
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黄方元
黄安武
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黄方元
黄安武
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Publication of WO2017193688A1 publication Critical patent/WO2017193688A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
    • B60W40/105—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/08—Windows; Windscreens; Accessories therefor arranged at vehicle sides
    • B60J1/12—Windows; Windscreens; Accessories therefor arranged at vehicle sides adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • 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 to a method for detecting safety of a vehicle.
  • the present invention provides a method for detecting the safety of a vehicle, which can reduce the damage of the vehicle exhaust gas to the passengers in the vehicle compartment during traffic jams, and protect the physical safety of the passengers.
  • the present invention adopts the following technical solutions:
  • a method of detecting car safety includes the following steps:
  • the vehicle electronic control system issues an instruction to control the closing of all the side windows of the automobile, and automatically opens the automobile air conditioner and the sunroof of the automobile.
  • the method for detecting automobile safety determines whether it is necessary to close the side window of the automobile and open the automobile by the value of the exhaust pressure at the outlet of the exhaust pipe of the automobile engine, the current traveling speed of the automobile, and the temperature inside the automobile compartment.
  • the air conditioner and the sunroof of the car effectively reduce the harm of the vehicle exhaust gas dispersed in the air to the passengers in the car when the car is jammed, and greatly protect the physical safety of the passenger.
  • FIG. 1 is a schematic flow chart of a method for detecting safety of a vehicle according to an embodiment of the present invention.
  • a method for detecting automobile safety includes the following steps:
  • step S101 the exhaust pressure value at the outlet of the exhaust pipe of the automobile engine is obtained. Since the car produces different power on different roads or when the speed of the car is different, the exhaust pressure at the outlet of the exhaust pipe of the automobile engine is also different. When the exhaust pressure value is different, the content of harmful gases contained in the exhaust gas at the outlet of the exhaust pipe of the engine is also different.
  • Step S102 when the exhaust pressure value reaches a predetermined value, detecting exhaust gas at the outlet of the automobile exhaust gas purifier.
  • the exhaust gas of the automobile exhaust gas purifier outlet is detected, which can effectively reduce the number of times and time of using the equipment used in the process, and prolong the service life of the equipment. .
  • the type and content of the harmful gas contained in the exhaust gas can be separately detected by a plurality of gas detectors, thereby obtaining the emission amount of each harmful gas.
  • the content of all harmful gases in the exhaust gas discharged from the outlet of the automobile exhaust gas purifier per unit time is greater than or equal to M%, the harmful gas exceeds the standard.
  • M% is a positive number, which can be set according to actual needs.
  • the harmful gas in the automobile exhaust gas is usually discharged after the automobile exhaust gas purifier is absorbed.
  • the pressure value is greater than the predetermined value, there is a possibility that the automobile exhaust exceeds the standard.
  • the predetermined value can be determined after testing according to different engines. For example, by detecting the content of harmful gas in the exhaust gas at the exhaust pipe of the automobile engine exhaust pipe, when the content reaches the maximum value that can be absorbed by the automobile exhaust gas purifier, the exhaust gas at the outlet of the exhaust pipe of the automobile engine at this time can be exhausted.
  • the magnitude of the pressure value is set to the predetermined value.
  • the process of detecting exhaust gas at the outlet of the automobile exhaust gas purifier may include the following steps:
  • the harmful gas emissions are obtained based on the electrical signal analysis.
  • automobile exhaust gas usually contains various harmful gases such as carbon monoxide, hydrocarbons, sulfur oxides, and nitrogen oxides.
  • harmful gases such as carbon monoxide, hydrocarbons, sulfur oxides, and nitrogen oxides.
  • Each of these gases has a specific characteristic absorption band and characteristic frequency that is strongly absorbed when the infrared spectrum falls near the characteristic frequency band. Therefore, the infrared spectroscopy of the corresponding characteristic frequency can be used to detect the components of the harmful gas in the exhaust gas, and the amount of the absorbed external spectrum can detect the content of the corresponding gas (ie, the discharge amount).
  • Step S103 determining whether the harmful gas emission amount in the automobile exhaust exceeds the first threshold according to the detected result. If yes, step S104 is performed. Otherwise, the process returns to step S101 or step S102.
  • Step S104 if the result of the determination in step S103 is YES, obtain the current traveling speed of the automobile and the temperature inside the automobile compartment, and pass when the current traveling speed of the automobile is less than the second threshold and the temperature in the automobile compartment is greater than the third threshold.
  • the car's electronic control system issues instructions to control the closing of all car side windows and automatically open the car air conditioner and the car sunroof.
  • 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 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 electronic control system of the automobile, thereby preventing the automobile exhaust in the air from continuing to enter the automobile compartment;
  • the second purifier valve of the automobile is opened, and the exhaust of the automobile is discharged to the second purifier of the automobile for carbon monoxide treatment, wherein the second purifier of the automobile is filled with a carbon monoxide adsorbent.
  • the automobile second purifier is a device specially used for secondary absorption treatment of various harmful gases in the automobile exhaust gas, and can be connected at the exit of the automobile exhaust gas purifier. Since the harmful gas that is most harmful to the passenger body in the vehicle compartment is carbon monoxide, the embodiment of the present invention focuses on secondary treatment of carbon monoxide.
  • the carbon monoxide absorbent may be a composition composed of a porous inorganic carrier and a binary complex of a nitride and a copper chloride carried thereon, and the nitride in the composition accounts for 0.42- 0.79 molar ratio;
  • the inorganic carrier comprises: honeycomb ceramic, activated carbon or titanium oxide;
  • the nitride is pyridine and Compositions.
  • the following steps may be further included:
  • the opening time of the second purifier valve of the automobile is controlled according to the delay instruction, and the exhaust pressure value at the outlet of the exhaust pipe of the automobile engine is stopped during the opening time.
  • 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 process of controlling the opening time of the second purifier valve of the automobile according to the delay instruction may specifically include the following steps:
  • the predetermined formula is automatically generated after the calculation is performed.
  • the time value 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;
  • a timer After opening the second purifier valve of the automobile, a timer is turned on, and the second purifier valve of the automobile is turned off when the timer reaches the time value.
  • the process of discharging the automobile exhaust gas to the second purifier of the automobile may specifically include the following steps:
  • the reference speed is calculated based on the rotational speed, the temperature in the second purifier of the automobile, the exhaust pressure value, and the harmful gas discharge amount, and the speed at which the automobile exhaust is discharged to 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 car engine
  • C is the harmful gas discharge
  • T is the temperature in the second purifier of the car
  • P is the exhaust pressure value
  • a is the constant conversion coefficient, which is between 0.29- Between 0.51.
  • a method for detecting automobile safety determines whether the vehicle side needs to be closed by the exhaust pressure value at the exit of the exhaust pipe of the automobile engine, the current traveling speed of the automobile, and the temperature inside the automobile compartment.
  • the window and the car air conditioner and the car sunroof are opened, thereby effectively reducing the harm of the vehicle exhaust gas dispersed in the air to the passengers in the car when the car is jammed, and greatly protecting the physical safety of the passenger.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
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  • Biochemistry (AREA)
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Abstract

一种检测汽车安全的方法，包括：获取汽车发动机排气管出口处的排气压力值；当所述排气压力值达到预定值时，对汽车尾气净化器出口的尾气进行检测；根据检测的结果判断汽车尾气中的有害气体排放量是否超过第一阈值；若是，则获取汽车当前行驶速度与汽车车厢内温度，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，通过汽车电控系统发出指令，控制所有汽车侧窗关闭，并自动打开汽车空调和汽车天窗。该方法能够减少堵车时汽车尾气对车厢内乘客的危害，保障乘客的身体安全。

Description

检测汽车安全的方法 技术领域
本发明涉及汽车领域，具体涉及一种检测汽车安全的方法。
背景技术
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，汽车车厢内的空气污染将严重影响人体的健康，甚至诱发癌症。
因此，如何在堵车时保障汽车内的乘客不会受到汽车尾气的危害，成为一个亟待解决的问题。
发明内容
针对现有技术的不足，本发明提供一种检测汽车安全的方法，能够减少堵车时汽车尾气对车厢内乘客的危害，保障乘客的身体安全。
为实现上述目的，本发明采用如下技术方案：
一种检测汽车安全的方法，包括如下步骤：
获取汽车发动机排气管出口处的排气压力值；
当所述排气压力值达到预定值时，对汽车尾气净化器出口的尾气进行检测；
根据检测的结果判断汽车尾气中的有害气体排放量是否超过第一阈值；
若是，则获取汽车当前行驶速度与汽车车厢内温度，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，通过汽车电控系统发出指令，控制所有汽车侧窗关闭，并自动打开汽车空调和汽车天窗。
与现有技术相比，本发明的检测汽车安全的方法，通过汽车发动机排气管出口处的排气压力值、汽车当前行驶速度以及汽车车厢内温度来判断是否需要关闭汽车侧窗并打开汽车空调和汽车天窗，从而在汽车堵车时有效减少了散布在空气中的汽车尾气对车厢内乘客的危害，极大地保障了乘客的身体安全。
附图说明
图1为本发明的实施例中一种检测汽车安全的方法的流程示意图。
具体实施方式
下面，结合附图以及具体实施方式，对本发明做进一步描述：
参照图1，本发明所提供的一种检测汽车安全的方法，包括如下步骤：
步骤S101，获取汽车发动机排气管出口处的排气压力值。由于汽车在不同道路上行驶或者汽车时速不同时汽车发动机所产生功率不同，从而使得汽车发动机排气管出口处的排气压力值也不同。该排气压力值不同时通常发动机排气管出口处的尾气中所包含有害气体的含量也不相同。
步骤S102，当所述排气压力值达到预定值时，对汽车尾气净化器出口的尾气进行检测。
本发明实施例中，只有当排气压力值达到预定值才对汽车尾气净化器出口的尾气进行检测，可以有效的降低完成该过程所述使用设备的使用次数和时间，延长该设备的使用寿命。
在其中一个实施例中，可通过多个气体检测器来分别检测出尾气中包含有害气体的种类及含量，从而得到各有害气体的排放量。当单位时间内汽车尾气净化器出口排出的尾气中所有害气体的含量占总尾气量大于或等于M％时则说明害气体超标。该M为正数，其可根据实际需要进行设定。
由于排气压力值小于预定值时，汽车尾气中的有害气体通常会在汽车尾气净化器吸收完毕之后排放出去。但是当该压力值大于预定值时则有可能会出现汽车尾气超标的情况。该预定值可根据不同发动机进行测试之后确定。例如通过对汽车发动机排气管出口处的尾气含有有害气体的含量进行检测，当该含量达到汽车尾气净化器所能吸收的最大值时，可将此时汽车发动机排气管出口处的排气压力值的大小设为该预定值。
在另外一个实施例中，所述对汽车尾气净化器出口的尾气进行检测的过程可以包括如下步骤：
通过红外线检测的方式对尾气进行实时检测；
根据被吸收的红外线的波长范围及被吸收的程度，生成相应的电信号；
根据该电信号分析得出所述有害气体排放量。
由于汽车尾气中通常包含有一氧化碳、碳氢化合物、硫氧化合物、氮氧化合物等各种有害气体。而这些气体中每种气体具有特定的特征吸收谱带与特征频率，当红外光谱落在特征频率带附近的时候会被强烈的吸收。所以可通过相应特征频率的红外光谱来检测尾气中有害气体的成分，及被吸收的外光谱的量可以检测出相应气体的含量(即排放量)。
步骤S103，根据检测的结果判断汽车尾气中的有害气体排放量是否超过第一阈值。若是则执行步骤S104。否则返回执行步骤S101或者步骤S102。
步骤S104，若步骤S103的判断结果为是，则获取汽车当前行驶速度与汽车车厢内温度，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，通过汽车电控系统发出指令，控制所有汽车侧窗关闭，并自动打开汽车空调和汽车天窗。
本发明实施例中，当有害气体排放量超标时，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车窗以观察交通环境，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，通过汽车电控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继续进入汽车车厢；同时自动打开汽车空 调和汽车天窗，一方面排出原来车厢的有害气体，另一方面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。
为了更进一步的避免汽车尾气对车厢内乘客的危害，还可以对汽车尾气进行二次处理，以减少飘散到车厢内的汽车尾气的浓度。作为一个较好的实施例，在判断得出汽车尾气中的有害气体排放量超过第一阈值之后，还可以包括如下步骤：
将汽车第二净化器阀门打开，将所述汽车尾气排放到所述汽车第二净化器进行一氧化碳处理，其中，所述汽车第二净化器内填充有一氧化碳吸附剂。本发明实施例中，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。由于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重点针对一氧化碳进行二次处理。在本实施例中，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，且该组合物中氮化物占0.42-0.79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 PCTCN2017075936-appb-000001
的组合物。
作为优选的实施例，在所述获取对汽车发动机排气管出口处的排气压力值步骤之后，还可以包括以下步骤：
获取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；
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；
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。
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四阈值时，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。
作为一个较好的实施例，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的过程具体可以包括如下步骤：
提取所述延时指令中的时间值；该时间值是在判断得出所述实际次数大于或等于第四阈值之后，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的，具体的，所述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；
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。
另外，作为一个较好的实施例，将所述汽车尾气排放到所述汽车第二净化器的过程具体可以包括如下步骤：
实时获取汽车发动机的转速以及所述汽车第二净化器内温度；
根据转速、汽车第二净化器内温度、排气压力值以及有害气体排放量计算出参考速度，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的速度。
本实施例中，可以采用如下公式来计算参考速度：
Figure PCTCN2017075936-appb-000002
上式中，V为参考速度；r为汽车发动机的转速，C为有害气体排放量，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0.29-0.51之间。通过控制尾气排放到汽车第二净化器中的的速度，使得有害气体能够在汽车第二净化器中被更完全的吸收，从而可以有效提高尾气处理的效率，这样进入到汽车车厢内的有害气体自然也就减少了。特别的，经过大量的实验数据证明，当a的值取为0.38时，有害气体被吸收的效率最佳。
通过以上方案可以看出，本发明实施例的一种检测汽车安全的方法，通过汽车发动机排气管出口处的排气压力值、汽车当前行驶速度以及汽车车厢内温度来判断是否需要关闭汽车侧窗并打开汽车空调和汽车天窗，从而在汽车堵车时有效减少了散布在空气中的汽车尾气对车厢内乘客的危害，极大地保障了乘客的身体安全。
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。

Claims (3)

  1. 一种检测汽车安全的方法，其特征在于，包括如下步骤：
    获取汽车发动机排气管出口处的排气压力值；
    当所述排气压力值达到预定值时，对汽车尾气净化器出口的尾气进行检测；
    根据检测的结果判断汽车尾气中的有害气体排放量是否超过第一阈值；
    若是，则获取汽车当前行驶速度与汽车车厢内温度，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，通过汽车电控系统发出指令，控制所有汽车侧窗关闭，并自动打开汽车空调和汽车天窗；
    在所述获取对汽车发动机排气管出口处的排气压力值步骤之后，还包括以下步骤：获取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；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；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；
    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的过程包括：提取所述延时指令中的时间值；其中，该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；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；
    将所述汽车尾气排放到所述汽车第二净化器的过程包括：实时获取汽车发动机的转速以及所述汽车第二净化器内温度；根据转速、汽车第二净化器内温度、排气压力值以及有害气体排放量计算出参考速度，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。
  2. 根据权利要求1所述的检测汽车安全的方法，其特征在于，在判断得出汽车尾气中的有害气体排放量超过第一阈值之后，还包括步骤：
    将汽车第二净化器阀门打开，将所述汽车尾气排放到所述汽车第二净化器进行一氧化碳处理，其中，所述汽车第二净化器内填充有一氧化碳吸附剂；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，且该组合物中氮化物占0.42-0.79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 PCTCN2017075936-appb-100001
    的组合物。
  3. 根据权利要求1所述的检测汽车安全的方法，其特征在于，所述对汽车尾气净化器出口的尾气进行检测的过程包括：
    通过红外线检测的方式对汽车尾气净化器出口的尾气进行检测；
    根据被吸收的红外线的波长范围及被吸收的程度，生成相应的电信号；
    根据该电信号分析得出所述有害气体排放量。
PCT/CN2017/075936 2016-05-09 2017-03-08 检测汽车安全的方法 WO2017193688A1 (zh)

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