CN106931583A - Indoor air cleaning system and method - Google Patents
Indoor air cleaning system and method Download PDFInfo
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- CN106931583A CN106931583A CN201710124368.2A CN201710124368A CN106931583A CN 106931583 A CN106931583 A CN 106931583A CN 201710124368 A CN201710124368 A CN 201710124368A CN 106931583 A CN106931583 A CN 106931583A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004140 cleaning Methods 0.000 title claims 12
- 239000001301 oxygen Substances 0.000 claims abstract description 76
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 76
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000004887 air purification Methods 0.000 claims abstract description 22
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 18
- 231100000719 pollutant Toxicity 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 119
- 238000012544 monitoring process Methods 0.000 claims description 44
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
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- 229910052704 radon Inorganic materials 0.000 claims description 3
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 11
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- 238000001914 filtration Methods 0.000 claims 1
- 239000008188 pellet Substances 0.000 claims 1
- 230000007306 turnover Effects 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 17
- 239000003570 air Substances 0.000 description 129
- 239000000779 smoke Substances 0.000 description 12
- 239000012080 ambient air Substances 0.000 description 8
- 235000019504 cigarettes Nutrition 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
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- 238000010276 construction Methods 0.000 description 2
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- 239000000428 dust Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
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- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/62—Tobacco smoke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/64—Airborne particle content
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/76—Oxygen
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Combustion & Propulsion (AREA)
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- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
- Ventilation (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
本发明公开了一种室内环境空气净化系统及方法，系统包括室内外空气循环系统、室内空气循环系统、控制系统、室内空气质量传感器和室外空气质量传感器，室内空气质量传感器包括氧气浓度传感器和PM10浓度传感器，室外空气质量传感器包括PM2.5浓度传感器。本发明通过选择不同的滤网和传感器，系统可对现有以及将来可能出现的污染物同时进行净化，并且增加了对室内氧气浓度的检测和控制；通过传感器的合理布置，得到室内各种气体，尤其是氧气和污染物的分布情况，实现定量处理；进风风道内设有PM2.5浓度传感器，当室外空气质量超出系统净化能力时对用户发出警告，延长滤网寿命。
The invention discloses an indoor environment air purification system and method. The system includes an indoor and outdoor air circulation system, an indoor air circulation system, a control system, an indoor air quality sensor and an outdoor air quality sensor. The indoor air quality sensor includes an oxygen concentration sensor and PM10 Concentration sensor, outdoor air quality sensor including PM2.5 concentration sensor. In the present invention, by selecting different filter screens and sensors, the system can purify the existing and possible future pollutants at the same time, and increase the detection and control of indoor oxygen concentration; through the reasonable arrangement of sensors, various indoor gas , especially the distribution of oxygen and pollutants, to achieve quantitative treatment; there is a PM2.5 concentration sensor in the air inlet duct, and when the outdoor air quality exceeds the purification capacity of the system, it will send a warning to the user to prolong the life of the filter.
Description
技术领域technical field
本发明涉及室内空气净化技术领域，具体来说，涉及一种室内环境空气净化系统及方法。The invention relates to the technical field of indoor air purification, in particular to an indoor environment air purification system and method.
背景技术Background technique
现有的几种空气净化方法都存在各自的问题。静电集尘法需要较高的电压，只对空气中的颗粒有作用，在使用过程中会产生臭氧；负离子技术对人体的影响目前仍存在争议，负离子产生的过程中也会有臭氧产生，并且与负离子结合后的粒子和尘埃仍然留在室内，不能被净化或者排出；光催化法需要紫外线的能量，置于室内的紫外线灯会对人体有不利影响，且催化剂也存在接触面积有限，容易堵塞、失活等问题。Several existing air purification methods all have their own problems. The electrostatic dust collection method requires a higher voltage, which only works on particles in the air, and ozone will be generated during use; the impact of negative ion technology on the human body is still controversial, and ozone will also be generated during the process of negative ion generation, and The particles and dust combined with negative ions remain indoors and cannot be purified or discharged; photocatalysis requires the energy of ultraviolet rays, and ultraviolet lamps placed indoors will have adverse effects on the human body, and the catalyst also has a limited contact area, which is easy to block, Deactivation and other issues.
此外，使用上述净化方法的装置只对现有的某一种或几种污染物的净化效率较高，而对其他污染物则效果不佳，也没有考虑到未知污染物的存在和应对策略，并且只关注污染物的净化，而忽略了对人体必需的氧气浓度的监测和控制。In addition, the devices using the above-mentioned purification methods only have high purification efficiency for one or several existing pollutants, but are not effective for other pollutants, and do not take into account the existence and countermeasures of unknown pollutants. And only pay attention to the purification of pollutants, while ignoring the monitoring and control of the oxygen concentration necessary for the human body.
另一方面，目前的空气净化装置中，对检测室内空气质量的传感器的布置形式没有具体的描述说明，不能突出传感器的其他优势，例如可以灵活布置，同种传感器可以布置多个以增加精度等等。并且控制方法中只考虑到室内空气质量情况，如今室外空气的污染也十分严重，忽略室外空气质量影响的控制方法已经不再适用，当室外空气质量超过系统的净化能力时，向室内引入新风将会引起反作用，使室内空气质量更差。On the other hand, in the current air purification device, there is no specific description of the layout of the sensor for detecting indoor air quality, and other advantages of the sensor cannot be highlighted, such as flexible layout, multiple sensors of the same type can be arranged to increase accuracy, etc. Wait. And the control method only takes into account the indoor air quality. Nowadays, outdoor air pollution is also very serious. The control method that ignores the impact of outdoor air quality is no longer applicable. When the outdoor air quality exceeds the purification capacity of the system, introducing fresh air into the room will It will have the opposite effect and make the indoor air quality worse.
申请号为201210119550.6提供一种民用及办公环境室内空气净化系统，其特征在于包括排风系统和补风系统，所述排风系统包括室内吸风过滤装置和外排风机，所述外排风机外部壳体内侧设有吸音棉，本发明启动工作时，由室外进入室内的空气都经过过滤，在排除室内的污染空气的同时，输入的是100％自然新鲜空气，该发明外排风机外部壳体内均设有吸音棉，有效降低了噪音，在家里门窗紧闭情况下，可以定时通风，实现室内空气的净化。The application number is 201210119550.6 to provide an indoor air purification system for civil and office environments, which is characterized in that it includes an exhaust system and a supplementary air system. The exhaust system includes an indoor suction filter device and an external exhaust fan. There is sound-absorbing cotton inside the casing. When the invention starts to work, the air entering the room from the outside is filtered, and while the polluted air in the room is eliminated, 100% natural fresh air is input. All are equipped with sound-absorbing cotton, which effectively reduces noise. When the doors and windows are closed at home, it can be ventilated regularly to achieve indoor air purification.
申请号为201610643753.3提供了一种空气净化系统，其包括壳体，壳体内设置有气体流道；所述气体流道内设置有依次连通的新风段和净化段；所述气体流道在靠近所述新风段的一端设置有与室外连通的新风入口；所述气体流道在靠近所述净化段的一端设置有与室内连通的出风口；所述气体流道在所述新风段和所述净化段上均设置有风机和过滤器；所述气体流道在所述新风段和所述净化段的连接部位还设置有回风入口。该发明可以在净化室内空气的同时，向室内输入新鲜空气，室外新风和室内空气可以分流管理，可根据自身需求及室内外环境选择净化模式，从而实现净化室内空气的同时节约能耗。The application number is 201610643753.3, which provides an air purification system, which includes a housing, and a gas flow channel is arranged in the housing; a fresh air section and a purification section connected in sequence are arranged in the gas flow channel; the gas flow channel is close to the One end of the fresh air section is provided with a fresh air inlet that communicates with the outside; the gas flow channel is provided with an air outlet that communicates with the room at one end close to the purification section; the gas flow channel is between the fresh air section and the purification section Fans and filters are arranged on each side; the gas flow channel is also provided with a return air inlet at the connecting part of the fresh air section and the purification section. The invention can purify the indoor air while inputting fresh air into the room. The outdoor fresh air and indoor air can be managed separately, and the purification mode can be selected according to one's own needs and the indoor and outdoor environment, so as to achieve energy saving while purifying the indoor air.
上述专利申请结构设置复杂，净化效率低下。The structure of the above-mentioned patent application is complex and the purification efficiency is low.
发明内容Contents of the invention
本发明的目的在于提出一种室内环境空气净化系统及方法，以克服现有技术中存在的上述不足。The object of the present invention is to propose an indoor environment air purification system and method to overcome the above-mentioned deficiencies in the prior art.
为实现上述发明目的，本发明的技术方案是这样实现的：For realizing above-mentioned purpose of the invention, technical scheme of the present invention is realized like this:
室内环境空气净化系统，包括室内外空气循环系统、室内空气循环系统、控制系统、室内空气质量传感器和室外空气质量传感器，所述室内外空气循环系统包括室内进风系统和室内排风系统，所述室内空气循环系统包括室内空气净化器，所述室内进风系统的进风管道内设有空气过滤组件，所述室内进风系统、室内排风系统、室内空气质量传感器、室外空气质量传感器和室内空气净化器均与控制系统相连，所述室内空气质量传感器包括氧气浓度传感器和第一可吸入颗粒物浓度传感器，所述室外空气质量传感器包括第二可吸入颗粒物浓度传感器。The indoor ambient air purification system includes an indoor and outdoor air circulation system, an indoor air circulation system, a control system, an indoor air quality sensor and an outdoor air quality sensor. The indoor and outdoor air circulation system includes an indoor air intake system and an indoor exhaust system. The indoor air circulation system includes an indoor air cleaner, an air filter assembly is arranged in the air intake duct of the indoor air intake system, the indoor air intake system, the indoor exhaust system, the indoor air quality sensor, the outdoor air quality sensor and The indoor air cleaners are all connected to the control system, the indoor air quality sensor includes an oxygen concentration sensor and a first inhalable particle concentration sensor, and the outdoor air quality sensor includes a second inhalable particle concentration sensor.
进一步的，所述第一可吸入颗粒物浓度传感器为PM10浓度传感器，所述第二可吸入颗粒物浓度传感器为PM2.5浓度传感器。Further, the first inhalable particulate matter concentration sensor is a PM10 concentration sensor, and the second inhalable particulate matter concentration sensor is a PM2.5 concentration sensor.
进一步的，所述室内空气质量传感器还包括甲醛浓度传感器、氨气浓度传感器、酒精浓度传感器、甲苯浓度传感器、苯浓度传感器、二甲苯浓度传感器、氡浓度传感器和烟气浓度传感器中的一种或多种。Further, the indoor air quality sensor also includes one or more of a formaldehyde concentration sensor, an ammonia concentration sensor, an alcohol concentration sensor, a toluene concentration sensor, a benzene concentration sensor, a xylene concentration sensor, a radon concentration sensor and a smoke concentration sensor Various.
进一步的，所述室内进风系统和室内排风系统均设有用于防止室外未经净化的空气通过缝隙进入室内的密封件，所述室内进风系统的进气管道内和室内排风系统的排气管道内均设有用于起保护和隔热作用的卷闸门。Further, both the indoor air intake system and the indoor exhaust system are provided with seals for preventing outdoor unpurified air from entering the room through gaps, the air intake duct of the indoor air intake system and the indoor exhaust system The exhaust pipes are equipped with rolling shutters for protection and heat insulation.
进一步的，所述控制系统包括氧气浓度监控模块、PM10浓度监控模块、室内外空气循环系统控制模块、室内空气循环系统控制模块和PM2.5浓度监控模块；Further, the control system includes an oxygen concentration monitoring module, a PM10 concentration monitoring module, an indoor and outdoor air circulation system control module, an indoor air circulation system control module and a PM2.5 concentration monitoring module;
所述PM2.5浓度监控模块用于实时监测室外PM2.5浓度，当检测到的PM2.5浓度高于其内设定的报警阈值时，分别向氧气浓度监控模块和PM10浓度监控模块发送一报警信号；The PM2.5 concentration monitoring module is used to monitor the outdoor PM2.5 concentration in real time. When the detected PM2.5 concentration is higher than the alarm threshold set in it, it sends a message to the oxygen concentration monitoring module and the PM10 concentration monitoring module respectively. Alarm;
所述氧气浓度监控模块用于实时监测室内氧气浓度，当检测到的氧气浓度低于其内设定的氧气浓度范围的下限时，启动室内外空气循环系统，当检测到的氧气浓度落于其内设定的氧气浓度范围且接收到PM2.5浓度监控模块发送的报警信号时，启动室内空气循环系统，当检测到的氧气浓度落于其内设定的氧气浓度范围且没有接收到PM2.5浓度监控模块发送的报警信号时，启动室内外空气循环系统；The oxygen concentration monitoring module is used to monitor the indoor oxygen concentration in real time. When the detected oxygen concentration is lower than the lower limit of the oxygen concentration range set in it, the indoor and outdoor air circulation system is started. When the detected oxygen concentration falls below its When the oxygen concentration range set within and the alarm signal sent by the PM2.5 concentration monitoring module is received, the indoor air circulation system is started. When the detected oxygen concentration falls within the set oxygen concentration range and no PM2.5 is received. 5. When the alarm signal sent by the concentration monitoring module is activated, the indoor and outdoor air circulation system is started;
所述PM10浓度监控模块用于实时监测室内PM10浓度，当检测到的PM10浓度落于其内设定的PM10浓度范围时，启动室内空气循环系统，当检测到的PM10浓度超过其内设定的PM10浓度范围且接收到PM2.5浓度监控模块发送的报警信号时，启动室内空气循环系统，当检测到的PM10浓度超过其内设定的PM10浓度范围且没有接收到PM2.5浓度监控模块发送的报警信号时，启动室内外空气循环系统。The PM10 concentration monitoring module is used to monitor the indoor PM10 concentration in real time, and when the detected PM10 concentration falls within the set PM10 concentration range, the indoor air circulation system is started; when the detected PM10 concentration exceeds the set When the PM10 concentration range and the alarm signal sent by the PM2.5 concentration monitoring module are received, the indoor air circulation system is started. When the detected PM10 concentration exceeds the set PM10 concentration range and the PM2.5 concentration monitoring module does not receive When the alarm signal is activated, the indoor and outdoor air circulation system will be activated.
进一步的，所述控制系统还包括与用户端连接的无线通讯控制模块或手动控制模块。Further, the control system also includes a wireless communication control module or a manual control module connected to the user terminal.
进一步的，所述PM2.5浓度监控模块还用于当室外的空气质量超出所述室内环境空气净化系统的净化能力时向用户端发出警告。Further, the PM2.5 concentration monitoring module is also used to send a warning to the user terminal when the outdoor air quality exceeds the purification capacity of the indoor ambient air purification system.
进一步的，所述室内进风系统的进气管道内和室内排风系统的排气管道内还设有用于防止较大异物进出的保护格栅。Further, the air intake duct of the indoor air intake system and the exhaust duct of the indoor air exhaust system are also provided with protective grilles for preventing the entry and exit of relatively large foreign objects.
室内环境空气净化方法，包括以下步骤：Indoor ambient air purification method, comprising the following steps:
1)根据室内污染物的分布情况合理布置氧气浓度传感器、PM10浓度传感器和甲醛浓度传感器，在室内进风系统的进风管道内布置PM2.5浓度传感器，在控制系统内设定氧气浓度范围、PM10浓度范围和甲醛浓度范围；1) Arrange oxygen concentration sensors, PM10 concentration sensors and formaldehyde concentration sensors reasonably according to the distribution of indoor pollutants, arrange PM2.5 concentration sensors in the air intake duct of the indoor air intake system, and set the oxygen concentration range, PM10 concentration range and formaldehyde concentration range;
2)打开所述室内环境空气净化系统，当氧气浓度传感器检测到的氧气浓度低于设定的氧气浓度范围时，打开室内外空气循环系统，当氧气浓度传感器检测到的氧气浓度落于设定的氧气浓度范围时，进行以下步骤；2) Open the indoor ambient air purification system, when the oxygen concentration detected by the oxygen concentration sensor is lower than the set oxygen concentration range, open the indoor and outdoor air circulation system, when the oxygen concentration detected by the oxygen concentration sensor falls below the set In the range of oxygen concentration, perform the following steps;
3)当PM2.5浓度传感器检测到的PM2.5浓度达到报警阈值时，启动室内空气循环系统，当PM2.5浓度传感器检测到的PM2.5浓度低于报警阈值时，进行以下步骤；3) When the PM2.5 concentration detected by the PM2.5 concentration sensor reaches the alarm threshold, start the indoor air circulation system, and when the PM2.5 concentration detected by the PM2.5 concentration sensor is lower than the alarm threshold, perform the following steps;
4)当PM10浓度传感器检测到的PM10浓度落入设定的PM10浓度范围、甲醛浓度传感器检测到的甲醛浓度落入设定的甲醛浓度范围或者两者均落入各自的浓度范围时，启动室内空气循环系统，当PM10浓度传感器检测到的PM10浓度超过设定的PM10浓度范围、甲醛浓度传感器检测到的甲醛浓度超过设定的甲醛浓度范围或者两者均超过各自的浓度范围时，启动室内外空气循环系统。4) When the PM10 concentration detected by the PM10 concentration sensor falls within the set PM10 concentration range, the formaldehyde concentration detected by the formaldehyde concentration sensor falls within the set formaldehyde concentration range, or both fall within their respective concentration ranges, the chamber will be activated. Air circulation system, when the PM10 concentration detected by the PM10 concentration sensor exceeds the set PM10 concentration range, the formaldehyde concentration detected by the formaldehyde concentration sensor exceeds the set formaldehyde concentration range, or both exceed their respective concentration ranges, the indoor and outdoor air circulation system.
进一步的，当氧气浓度传感器检测到的氧气浓度超过设定的氧气浓度范围、PM10浓度传感器检测到的PM10浓度低于设定的PM10浓度范围以及甲醛浓度传感器检测到的甲醛浓度低于设定的甲醛浓度范围时，关闭所述室内环境空气净化系统。Further, when the oxygen concentration detected by the oxygen concentration sensor exceeds the set oxygen concentration range, the PM10 concentration detected by the PM10 concentration sensor is lower than the set PM10 concentration range, and the formaldehyde concentration detected by the formaldehyde concentration sensor is lower than the set When the concentration of formaldehyde is within the range, the indoor ambient air purification system is turned off.
本发明的有益效果：Beneficial effects of the present invention:
1、通过选择不同的滤网和传感器，所述系统可对现有以及将来可能出现的污染物同时进行净化，并且增加了对室内氧气浓度的检测和控制；1. By selecting different filters and sensors, the system can simultaneously purify existing and future pollutants, and increase the detection and control of indoor oxygen concentration;
2、可以通过传感器的合理布置，得到室内各种气体，尤其是氧气和污染物的分布情况，实现定量处理；2. Through the reasonable arrangement of sensors, the distribution of various gases in the room, especially oxygen and pollutants, can be obtained to achieve quantitative processing;
3、室内空气质量传感器可以布置在系统机体内，也可以在有效范围内随意放置。布置灵活，响应快；针对室内空气变化，有多种净化策略，效率高，能耗低；3. The indoor air quality sensor can be arranged in the system body, or it can be placed randomly within the effective range. Flexible layout and quick response; there are multiple purification strategies for indoor air changes, with high efficiency and low energy consumption;
4、排气风机可以有一个或多个，有多个风机时，可以实现精确到点的净化，提升传感器的利用价值，适应不同的室内空气分布情况，更加人性化；4. There can be one or more exhaust fans. When there are multiple fans, it can achieve accurate purification, improve the use value of the sensor, adapt to different indoor air distribution conditions, and be more humanized;
5、系统可以是整体式，也可以是分体式，避免装置过于复杂、体积较大等问题，也能实现室内空间灵活利用，适应不同的安装条件；5. The system can be integral or split, avoiding the problems of overly complicated devices and large volumes, and can also realize flexible use of indoor space and adapt to different installation conditions;
6、实现传感器智能控制、远程控制和手动控制三种控制方式；6. Realize three control methods: sensor intelligent control, remote control and manual control;
7、进风风道内设有PM2.5浓度传感器，当室外空气质量超出系统净化能力时对用户发出警告，延长滤网寿命；7. There is a PM2.5 concentration sensor in the air inlet duct, which will send a warning to the user when the outdoor air quality exceeds the purification capacity of the system to prolong the life of the filter;
8、卷闸门在系统停止工作时展开，起保护和隔热作用。8. The rolling gate is unfolded when the system stops working, which plays the role of protection and heat insulation.
附图说明Description of drawings
图1是本发明所述的室内环境空气净化系统的结构框图；Fig. 1 is the structural block diagram of indoor environment air purification system of the present invention;
图2是本发明所述的控制系统的功能模块图。Fig. 2 is a functional block diagram of the control system of the present invention.
图中所示：As shown in the figure:
1-室内外空气循环系统；2-室内进风系统；3-空气过滤组件；4-室内排风系统；5-室内空气净化器；6-室内空气循环系统；7-PM10浓度传感器；8-烟气浓度传感器；9-控制系统；10-甲醛浓度传感器；11-氧气浓度传感器；12-PM2.5浓度传感器；13-室内外空气循环系统控制模块；14-甲醛浓度监控模块；15-烟气浓度监控模块；16-氧气浓度监控模块；17-PM2.5浓度监控模块；18-PM10浓度监控模块；19-室内空气循环系统控制模块；20-无线通讯控制模块；21-手动控制模块。1-indoor and outdoor air circulation system; 2-indoor air intake system; 3-air filter components; 4-indoor exhaust system; 5-indoor air purifier; 6-indoor air circulation system; 7-PM10 concentration sensor; 8- Smoke concentration sensor; 9-control system; 10-formaldehyde concentration sensor; 11-oxygen concentration sensor; 12-PM2.5 concentration sensor; 13-indoor and outdoor air circulation system control module; 14-formaldehyde concentration monitoring module; 15-smoke Gas concentration monitoring module; 16-oxygen concentration monitoring module; 17-PM2.5 concentration monitoring module; 18-PM10 concentration monitoring module; 19-indoor air circulation system control module; 20-wireless communication control module; 21-manual control module.
具体实施方式detailed description
下面结合本发明的附图，对本发明的技术方案进行清楚、完整地描述。The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.
首先需要说明的是：First things first:
本发明中的“室内”是指一切有人类活动的相对密封的空间，包括建筑物的室内、载运车辆以及载人飞行器等等，如住宅、办公室、车厢和机舱。"Indoor" in the present invention refers to all relatively sealed spaces with human activities, including the interior of buildings, vehicles and manned aircraft, such as residences, offices, compartments and cabins.
另外，随着技术进步与环境变化，室内需要监控、处理(净化等)的有害气体将会发生变化。比如，现在控制PM2.5，今后可能还要控制PM1.5。本申请文件以现有国家标准规定的PM10和PM2.5作为参考标准来详细说明本申请的技术方案。In addition, with technological progress and environmental changes, harmful gases that need to be monitored and treated (purified, etc.) indoors will change. For example, if we control PM2.5 now, we may also control PM1.5 in the future. This application document uses the PM10 and PM2.5 stipulated in the existing national standards as reference standards to describe the technical solution of this application in detail.
如图1所示，本发明实施所述的一种室内环境空气净化系统，包括室内外空气循环系统1、室内空气循环系统6、控制系统9、室内空气质量传感器和室外空气质量传感器，所述室内外空气循环系统6包括室内进风系统2和室内排风系统4，所述室内空气循环系统6包括室内空气净化器5，所述室内进风系统2的进风管道内设有空气过滤组件3，所述室内进风系统2、室内排风系统4、室内空气质量传感器、室外空气质量传感器和室内空气净化器5均与控制系统9相连，所述室内空气质量传感器包括氧气浓度传感器11和PM10浓度传感器18，所述室外空气质量传感器包括PM2.5浓度传感器12。As shown in Figure 1, the present invention implements the described a kind of indoor environment air purification system, comprises indoor and outdoor air circulation system 1, indoor air circulation system 6, control system 9, indoor air quality sensor and outdoor air quality sensor, described The indoor and outdoor air circulation system 6 includes an indoor air intake system 2 and an indoor exhaust system 4, the indoor air circulation system 6 includes an indoor air cleaner 5, and an air filter assembly is arranged in the air intake duct of the indoor air intake system 2 3. The indoor air intake system 2, indoor exhaust system 4, indoor air quality sensor, outdoor air quality sensor and indoor air cleaner 5 are all connected to the control system 9, and the indoor air quality sensor includes an oxygen concentration sensor 11 and PM10 concentration sensor 18, the outdoor air quality sensor includes PM2.5 concentration sensor 12.
在本实施例中，所述室内空气质量传感器还包括甲醛浓度传感器10和烟气浓度传感器8，本领域技术人员可以直接毫无疑义的得知的是，上述室内空气质量传感器还可替换为氨气浓度传感器、酒精浓度传感器、甲苯浓度传感器、苯浓度传感器、二甲苯浓度传感器或氡浓度传感器。本发明中的室内空气质量传感器和室外空气质量传感器可以是有线的或者无线的，其可以在有效范围内任意布置，测得的参数能反应该种污染物的分布特点。同种传感器可以布置一个或者多个，只布置一个时，应布置在污染物易生成或易聚集而导致浓度平均值较高或者可能骤然升高的地方，或者布置在用户认为该种气体影响最大的地方；若选择布置多个，则可以得到更精确的该种污染物在室内的分布场，提高系统控制的精度。In this embodiment, the indoor air quality sensor also includes a formaldehyde concentration sensor 10 and a smoke concentration sensor 8. Those skilled in the art can directly and undoubtedly know that the above indoor air quality sensor can also be replaced by ammonia Gas concentration sensor, alcohol concentration sensor, toluene concentration sensor, benzene concentration sensor, xylene concentration sensor or radon concentration sensor. The indoor air quality sensor and the outdoor air quality sensor in the present invention can be wired or wireless, they can be arranged arbitrarily within the effective range, and the measured parameters can reflect the distribution characteristics of this kind of pollutants. One or more sensors of the same type can be arranged. When only one sensor is arranged, it should be arranged in a place where pollutants are easy to generate or accumulate, resulting in a high or sudden increase in the average concentration, or where the user thinks that the gas has the greatest impact If you choose to arrange more than one place, you can get a more accurate distribution field of this kind of pollutant in the room, and improve the accuracy of system control.
在本实施例中，所述室内进风系统2和室内排风系统4均设有用于防止室外未经净化的空气通过缝隙进入室内的密封件(图中未示)。In this embodiment, both the indoor air intake system 2 and the indoor exhaust system 4 are provided with seals (not shown) for preventing unpurified outdoor air from entering the room through gaps.
在本实施例中，如图2所示，所述控制系统包括氧气浓度监控模块16、PM10浓度监控模块18、室内外空气循环系统控制模块13、室内空气循环系统控制模块19、烟气浓度监控模块15、甲醛浓度监控模块14和PM2.5浓度监控模块17；In this embodiment, as shown in FIG. 2, the control system includes an oxygen concentration monitoring module 16, a PM10 concentration monitoring module 18, an indoor and outdoor air circulation system control module 13, an indoor air circulation system control module 19, and a flue gas concentration monitoring module. Module 15, formaldehyde concentration monitoring module 14 and PM2.5 concentration monitoring module 17;
所述PM2.5浓度监控模块17用于实时监测室外PM2.5浓度，当检测到的PM2.5浓度高于其内设定的报警阈值时，分别向氧气浓度监控模块16和PM10浓度监控模块18发送一报警信号；The PM2.5 concentration monitoring module 17 is used to monitor the outdoor PM2.5 concentration in real time, and when the detected PM2.5 concentration is higher than the alarm threshold set in it, the oxygen concentration monitoring module 16 and the PM10 concentration monitoring module are respectively sent 18 send an alarm signal;
所述氧气浓度监控模块16用于实时监测室内氧气浓度，当检测到的氧气浓度低于其内设定的氧气浓度范围的下限时，启动室内外空气循环系统1，当检测到的氧气浓度落于其内设定的氧气浓度范围且接收到PM2.5浓度监控模块17发送的报警信号时，启动室内空气循环系统6，当检测到的氧气浓度落于其内设定的氧气浓度范围且没有接收到PM2.5浓度监控模块17发送的报警信号时，启动室内外空气循环系统1；The oxygen concentration monitoring module 16 is used for real-time monitoring of the indoor oxygen concentration, and when the detected oxygen concentration is lower than the lower limit of the oxygen concentration range set therein, the indoor and outdoor air circulation system 1 is started, and when the detected oxygen concentration falls In the oxygen concentration range of setting in it and when receiving the alarm signal that PM2. When receiving the alarm signal sent by the PM2.5 concentration monitoring module 17, start the indoor and outdoor air circulation system 1;
所述PM10浓度监控模块18用于实时监测室内PM10浓度，当检测到的PM10浓度落于其内设定的PM10浓度范围时，启动室内空气循环系统6，当检测到的PM10浓度超过其内设定的PM10浓度范围且接收到PM2.5浓度监控模块发送的报警信号时，启动室内空气循环系统6，当检测到的PM10浓度超过其内设定的PM10浓度范围且没有接收到PM2.5浓度监控模块发送的报警信号时，启动室内外空气循环系统1；Described PM10 concentration monitoring module 18 is used for real-time monitoring indoor PM10 concentration, when the detected PM10 concentration falls within the PM10 concentration range of setting in it, starts indoor air circulation system 6, when the detected PM10 concentration exceeds its built-in When the PM10 concentration range is set and the alarm signal sent by the PM2.5 concentration monitoring module is received, the indoor air circulation system 6 is started. When the detected PM10 concentration exceeds the PM10 concentration range set within it and no PM2.5 concentration is received When the alarm signal sent by the monitoring module is activated, the indoor and outdoor air circulation system 1 is started;
烟气浓度监控模块15和甲醛浓度监控模块14的监控机理参照PM10浓度监控模块18的控制机理。The monitoring mechanism of the smoke concentration monitoring module 15 and the formaldehyde concentration monitoring module 14 refers to the control mechanism of the PM10 concentration monitoring module 18 .
在本实施例中，所述控制系统9还包括与用户端连接的无线通讯控制模块20或手动控制模块21，从而实现了传感器智能控制、远程控制和手动控制三种控制方式。In this embodiment, the control system 9 further includes a wireless communication control module 20 or a manual control module 21 connected to the user end, thereby realizing three control modes of sensor intelligent control, remote control and manual control.
在本实施例中，所述PM2.5浓度监控模块17还用于当室外的空气质量超出所述室内环境空气净化系统的净化能力时向用户端发出警告，从而达到延长滤网寿命的目的。In this embodiment, the PM2.5 concentration monitoring module 17 is also used to send a warning to the user terminal when the outdoor air quality exceeds the purification capacity of the indoor ambient air purification system, so as to achieve the purpose of extending the life of the filter.
在本实施例中，所述室内进风系统2的进气管道内和室内排风系统4的排气管道内均设有用于起保护和隔热作用的卷闸门(图中未示)。In this embodiment, both the air intake duct of the indoor air intake system 2 and the exhaust duct of the indoor exhaust system 4 are provided with rolling shutters (not shown) for protection and heat insulation.
在本实施例中，所述室内进风系统2的进气管道内和室内排风系统4的排气管道内还设有用于防止较大异物进出的保护格栅(图中未示)。In this embodiment, the air intake duct of the indoor air intake system 2 and the exhaust duct of the indoor air exhaust system 4 are further provided with protective grilles (not shown in the figure) for preventing large foreign objects from entering and leaving.
另外，本发明所述室内环境空气净化系统的室内进风系统2和室内排风系统4的风机均至少设有一个。有多个排风风机时，通过增加管道，使一定数量的排风风机单独分别主要排出室内某些部位附近的旧空气。例如，室内的桌子附近经常会有香烟的烟雾，需要及时净化，则可以在桌子上布置一个香烟烟雾传感器，在系统的某一个排风风机和桌子之间布置一根管道，并使得该风机主要排出桌子附近的空气，风机的工作状态则由香烟烟雾传感器控制。当香烟烟雾传感器检测到烟雾时，风机启动，当香烟烟雾传感器不再检测到烟雾时，风机停止。In addition, the indoor air intake system 2 and the indoor exhaust system 4 of the indoor ambient air purification system of the present invention have at least one fan. When there are multiple exhaust fans, by increasing the pipeline, a certain number of exhaust fans are used to discharge the old air near some parts of the room separately. For example, there is often cigarette smoke near the table in the room, and it needs to be cleaned in time. You can arrange a cigarette smoke sensor on the table, and arrange a pipe between a certain exhaust fan of the system and the table, and make the fan main The air near the table is exhausted, and the working status of the fan is controlled by a cigarette smoke sensor. When the cigarette smoke sensor detects smoke, the fan starts, and when the cigarette smoke sensor no longer detects smoke, the fan stops.
关于风机流量的选择：Regarding the choice of fan flow:
例如，根据《室内空气质量标准》，新风量的标准为30m3/(h·人)。对于面积为20㎡，高3m的房间，活动人数为两人的房间，每小时换气一次即可达到标准要求。若要每小时换气4次，则新风流量应达到240m3/h，相对于室外环境，室内保持正压可以减少从缝隙进入的污染物，所以取略小的旧风流量，为230m3/h。For example, according to "Indoor Air Quality Standards", the standard of fresh air volume is 30m 3 /(h·person). For a room with an area of 20 square meters and a height of 3m, and a room with two people, one air change per hour can meet the standard requirements. If you want to change the air 4 times per hour, the fresh air flow should reach 240m 3 /h. Compared with the outdoor environment, maintaining positive pressure indoors can reduce pollutants entering from the gap, so take a slightly smaller old air flow, which is 230m 3 / h.
本发明还公开了如上所述的室内环境空气净化系统的控制方法，包括以下步骤：The present invention also discloses the control method of the above-mentioned indoor environment air purification system, including the following steps:
1)根据室内污染物的分布情况合理布置氧气浓度传感器11、PM10浓度传感器7和甲醛浓度传感器10，在室内进风系统2的进风管道内布置PM2.5浓度传感器12，在控制系统9内设定氧气浓度范围、PM10浓度范围和甲醛浓度范围；1) Arrange the oxygen concentration sensor 11, the PM10 concentration sensor 7 and the formaldehyde concentration sensor 10 reasonably according to the distribution of indoor pollutants, arrange the PM2.5 concentration sensor 12 in the air intake duct of the indoor air intake system 2, and arrange the PM2. Set the oxygen concentration range, PM10 concentration range and formaldehyde concentration range;
2)打开所述室内环境空气净化系统，当氧气浓度传感器11检测到的氧气浓度低于设定的氧气浓度范围时，打开室内外空气循环系统1，当氧气浓度传感器11检测到的氧气浓度落于设定的氧气浓度范围时，进行以下步骤；2) Open the indoor ambient air purification system, when the oxygen concentration detected by the oxygen concentration sensor 11 is lower than the set oxygen concentration range, open the indoor and outdoor air circulation system 1, when the oxygen concentration detected by the oxygen concentration sensor 11 falls In the set oxygen concentration range, perform the following steps;
3)当PM2.5浓度传感器12检测到的PM2.5浓度达到报警阈值时，启动室内空气循环系统6，当PM2.5浓度传感器12检测到的PM2.5浓度低于报警阈值时，进行以下步骤；3) When the PM2.5 concentration detected by the PM2.5 concentration sensor 12 reaches the alarm threshold, start the indoor air circulation system 6, and when the PM2.5 concentration detected by the PM2.5 concentration sensor 12 is lower than the alarm threshold, carry out the following step;
4)当PM10浓度传感器18检测到的PM10浓度落入设定的PM10浓度范围、甲醛浓度传感器10检测到的甲醛浓度落入设定的甲醛浓度范围或者两者均落入各自的浓度范围时，启动室内空气循环系统6，当PM10浓度传感器7检测到的PM10浓度超过设定的PM10浓度范围、甲醛浓度传感器10检测到的甲醛浓度超过设定的甲醛浓度范围或者两者均超过各自的浓度范围时，启动室内外空气循环系统1。4) when the PM10 concentration detected by PM10 concentration sensor 18 falls into the PM10 concentration range of setting, the formaldehyde concentration detected by formaldehyde concentration sensor 10 falls into the formaldehyde concentration range of setting or both fall into respective concentration ranges, Start the indoor air circulation system 6, when the PM10 concentration detected by the PM10 concentration sensor 7 exceeds the set PM10 concentration range, the formaldehyde concentration detected by the formaldehyde concentration sensor 10 exceeds the set formaldehyde concentration range or both exceed their respective concentration ranges , start the indoor and outdoor air circulation system 1.
上述控制方法总结如下表所示：The above control methods are summarized in the table below:
上面描述的是室内存在甲醛污染时采取的智能控制方法，对于室内存在其它的污染物时，也可以采取相类似的智能控制方法。What has been described above is the intelligent control method adopted when there is formaldehyde pollution in the room. When there are other pollutants in the room, a similar intelligent control method can also be adopted.
对于本发明来说，还可以采取远程控制。用户可以通过无线设备获取室内污染物分布情况，并控制系统的工作状态。例如，可以通过手机获取室内甲醛、氧气和和室外PM2.5分布情况，并可以控制系统开启和关闭、选择循环模式，设置净化目标值以及定时开启和关闭等等。For the present invention, remote control can also be adopted. Users can obtain the distribution of indoor pollutants and control the working status of the system through wireless devices. For example, the distribution of indoor formaldehyde, oxygen, and outdoor PM2.5 can be obtained through the mobile phone, and the system can be controlled to turn on and off, select the cycle mode, set the purification target value, and turn on and off at regular intervals.
另外，还可以采用手动控制。用户可以直接通过机体上的按钮控制系统工作状态，如定时、调整风速启停系统等等。In addition, manual control can also be used. Users can directly control the working status of the system through the buttons on the body, such as timing, adjusting the wind speed, starting and stopping the system, and so on.
关于阈值的选择：以氧气浓度传感器11、甲醛浓度传感器10和PM10浓度传感器7为例，根据《室内空气质量标准》，部分室内空气质量标准如下表：Regarding the selection of the threshold value: taking the oxygen concentration sensor 11, the formaldehyde concentration sensor 10 and the PM10 concentration sensor 7 as examples, according to the "Indoor Air Quality Standards", some indoor air quality standards are as follows:
根据《民用建筑工程室内环境污染控制规范》，民用建筑工程室内环境污染物浓度限量如下表(部分)：According to the "Code for Indoor Environmental Pollution Control of Civil Construction Engineering", the concentration limit of indoor environmental pollutants in civil construction engineering is as follows (part):
理论上，氧气体积应占空气总量的21％，室内氧浓度在19％～20％范围内时，人会感觉不舒服。取氧气浓度的下阈值为20％，上阈值为21.5％。Theoretically, the volume of oxygen should account for 21% of the total air. When the indoor oxygen concentration is in the range of 19% to 20%, people will feel uncomfortable. The lower threshold value of the oxygen concentration is 20%, and the upper threshold value is 21.5%.
若室内传感器包括氧气浓度传感器11、甲醛浓度传感器10和PM10浓度传感器7，则：If indoor sensor comprises oxygen concentration sensor 11, formaldehyde concentration sensor 10 and PM10 concentration sensor 7, then:
氧气浓度下阈值取20％，上阈值取21.5％；The lower threshold of oxygen concentration is 20%, and the upper threshold is 21.5%;
甲醛浓度范围值的下限取0.08mg/m3左右，范围值的上限取0.10mg/m3左右；The lower limit of the range value of formaldehyde concentration is about 0.08mg/ m3 , and the upper limit of the range value is about 0.10mg/ m3 ;
PM10浓度范围值的下限取0.10mg/m3左右，范围值的上限取0.15mg/m3左右。The lower limit of the PM10 concentration range value is about 0.10 mg/m 3 , and the upper limit of the range value is about 0.15 mg/m 3 .
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.
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