CN111426004B - Distributed indoor air monitoring method - Google Patents
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- CN111426004B CN111426004B CN202010218845.3A CN202010218845A CN111426004B CN 111426004 B CN111426004 B CN 111426004B CN 202010218845 A CN202010218845 A CN 202010218845A CN 111426004 B CN111426004 B CN 111426004B
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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
- 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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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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
Abstract
The invention relates to a distributed indoor air monitoring method, which can monitor indoor air when the indoor air has poor fluidity through the arrangement of a distributed air detection device, temporarily sample the indoor air through the expansion and contraction of a temporary air storage bag in the process, adsorb PM2.5 particles in the air through an autorotation dust filter in time when the PM2.5 content exceeds the standard, and the autorotation dust filter can self-adjust the position of a filter in the adsorption process, so that the filter with good permeability is moved to a left circulating pipe, the adsorption effect of the autorotation dust filter on the PM2.5 in the indoor air is effectively ensured, the partial permeability of the filter can be timely recovered by matching the actions of self-knocking and a bottom plate, the diffusion of the PM2.5 in a hemispherical groove can be effectively reduced under the action of a wet bamboo cotton fiber layer, and the overall adsorption efficiency of the PM2.5 in the indoor air is effectively improved, further, the PM2.5 content in the room is guaranteed to be below a standard value, and the health of indoor personnel is effectively guaranteed.
Description
Technical Field
The invention relates to an air monitoring method, in particular to a distributed indoor air monitoring method.
Background
PM2.5 is also known as fine particulate matter, fines. Fine particles refer to particles having an aerodynamic equivalent diameter of 2.5 microns or less in ambient air. It can be suspended in air for a long time, and the higher the content concentration in the air, the more serious the air pollution is. Although PM2.5 is only a component of earth's atmospheric composition in small amounts, it has a significant effect on air quality and visibility, among other things. Compared with the thicker atmospheric particulate matters, the PM2.5 has small particle size, large area, strong activity, easy attachment of toxic and harmful substances (such as heavy metals, microorganisms and the like), long retention time in the atmosphere and long conveying distance, thereby having larger influence on human health and atmospheric environmental quality.
PM2.5 particle diameter is minimum, naked eye is difficult to distinguish, the people stays in the room that PM2.5 content exceeds standard for a long time, very easily cause the influence to indoor personnel's respiratory track, there is certain potential safety hazard, however, people when having a rest at night, for the quiet quality of guaranteeing the sleep, generally can close into the window, reach syllable-dividing effect, nevertheless inclosed indoor, the air is not circulated, also leads to PM2.5 content to rise easily, exceed standard even, produce certain potential safety hazard to indoor personnel's health.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a distributed indoor air monitoring method.
In order to achieve the purpose, the invention adopts the technical scheme that:
a distributed indoor air monitoring method comprises the following steps:
s1, firstly, measuring indoor and outdoor air flow values according to the air flow sensors arranged at the window sides, and controlling the distributed air measuring devices corresponding to the window sides to be opened when the air flow sensors judge that the air flow values are small;
s2, operating an induced draft fan installed in the top wall body, so as to suck indoor air into the distributed air measurement device;
s3, swelling the distributed gas measurement device, and measuring the content of PM2.5 in the air by the internal (7) of the distributed gas measurement device; PM2.5 sensor
When the PM2.5 content does not exceed the standard, controlling the electromagnetic valve on the right side to be opened, discharging the gas in the distributed gas measurement device back to the room, and repeating S2-S3 after a period of time;
and when the content of PM2.5 exceeds the standard, controlling the opening of the electromagnetic valve on the left side to discharge the gas in the distributed gas measurement device into the self-rotation dust filter device for filtering, then discharging the gas into a room, and continuously repeating S2-S3 until the content of PM2.5 is lower than the standard value.
Furthermore, the air flow value in the S1 is small, namely the indoor state is closed, the interval time in the S3 is 1-1.5h, PM2.5 is higher when indoor air is not circulated, particularly under the condition that a sound insulation window is closed at night, and at the moment, indoor air monitoring is carried out, so that the content of the PM2.5 in the room can be adjusted in time, and the personal health of indoor residents is improved.
Further, the distributing type gas survey device includes spacing cover and the interim gas storage bag with top wall body fixed connection, the suction fan communicates with each other with interim gas storage bag, the PM2.5 sensor is installed at the top wall body lower extreme that is located interim gas storage bag, spacing cover is located inside interim gas storage bag, interim gas storage bag lower extreme middle part fixedly connected with intercommunication trachea, the activity of intercommunication trachea runs through spacing cover, inside the inlaying of top wall body has the dust filtration passageway and has the right circulating pipe of right solenoid valve, the both ends of right circulating pipe and dust filtration passageway are equallyd divide and are do not communicate with each other with indoor and interim gas storage bag, the dust filtration passageway includes the left circulating pipe that has left solenoid valve, cuts the hemisphere groove in the top wall body and inlays the outlet duct in the top wall body, left circulating pipe, hemisphere groove and outlet duct are arranged from right side to left, and the three communicates with each other, when the PM2.5 content is monitored by the PM2.5 sensor to be not over the standard, air gathered in the temporary air storage bag can be normally discharged into a room from the right circulating pipe, and when the PM2.5 content is monitored to be over the standard, the air gathered in the temporary air storage bag can enter the dust filtering channel to adsorb PM2.5, so that the PM2.5 of indoor air can be timely reduced to be below the standard, and the health of indoor personnel is effectively guaranteed.
Further, interim gas storage bag is made for the elasticity material, and when the suction fan induced air, interim gas storage bag can expand to carry out interim storage to the air, spacing cover is netted stereoplasm structure, can restrict the inflation of interim gas storage bag, effectively guarantees that the suction fan is difficult by the broken that rises when induced air.
Further, the rotation dust filter device includes that the lower extreme has the bottom plate of handle, bottom plate and hemisphere groove mouth department joint, the bottom plate upper end is rotated and is connected with the pivot, the filter element of a plurality of evenly distributed of pivot outer end fixedly connected with can pass through the hemisphere groove through the gas that left circulating pipe entered into the hemisphere inslot, thereby carry out PM 2.5's absorption by the rotation dust filter device, after the filter element permeability that is close to left circulating pipe behind the one end time is poor, the windage grow, left circulating pipe exhaust air can play the impetus to the filter element, thereby make the position of a plurality of filter elements change, thereby make the better filter element of permeability remove to left circulating pipe department, effectively guarantee rotation dust filter device PM 2.5's adsorption in to the room air.
Further, the bottom plate upper surface glues and is equipped with wet absorption cotton board, wet absorption cotton board upper surface is equipped with wet bamboo cotton fiber layer, when the filter disc position changes, can drop owing to vibrate its surface adsorption's partial PM2.5 granule, through the PM2.5 granule that wet bamboo cotton fiber layer can effective adhesion drop, effectively avoids the PM2.5 granule that drops to get back to indoorly along with the flow of air once more.
Furthermore, the inner wall surface of the hemispherical groove close to one side of the left circulating pipe is fixedly connected with a plurality of uniformly distributed self-knocking pendants, and the end parts of the self-knocking pendants extend to gaps among the plurality of filter elements.
Further, strike the weight from knocking for the marble that includes inelastic rope and fixed connection at inelastic rope end, when the filter element removed, the filter element can with strike from knocking and take place the striking between the weight, the marble can strike on the filter element surface to accelerate dropping of PM2.5 granule on the filter element, thereby resume the permeability of filter element part, make its filtration adsorption to PM2.5 granule better.
Further, the bottom plate includes that shell, threaded connection are at the stereoplasm commentaries on classics board and the sponge piece of fixed connection in stereoplasm commentaries on classics board upper end in the spacing cover, the inside absorption of sponge piece has water.
Furthermore, the part of the shell, which is positioned at the upper end of the sponge block, is of a multi-through hole structure, the hard rotating plate can be rotated by the handle at intervals to move upwards, so that the hard rotating plate is extruded, a water cup in the hard rotating plate is extruded, the part of the shell, which passes through the multi-through hole, is adsorbed by the wet adsorption cotton plate and the wet bamboo cotton fiber layer on the upper surface of the wet adsorption cotton plate, and is kept wet, and the adsorption of the shell on PM2.5 particles is ensured.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the scheme of the invention can monitor the indoor air when the indoor air has poor fluidity through the arrangement of the distributed gas measurement device, thereby timely ensuring that the content of the PM2.5 in the indoor air is below a standard value, thereby effectively ensuring the health of indoor personnel, realizing the temporary sampling of the indoor air through the expansion and contraction of the temporary gas storage bag, timely adsorbing the PM2.5 particles in the air through the self-rotation dust filter when the content of the PM2.5 exceeds the standard, and self-adjusting the position of the filter disc by the self-rotation dust filter in the adsorption process, thereby enabling the filter disc with good permeability to move to the left circulating pipe, effectively ensuring the adsorption effect of the self-rotation dust filter on the PM2.5 in the indoor air, simultaneously matching with the effects of self-knocking pendant and a bottom plate, timely recovering partial permeability of the filter disc, and effectively reducing the PM2.5 diffusion in a hemispherical groove under the effect of a wet bamboo cotton fiber layer, and further effectively improve the whole adsorption efficiency to room air PM 2.5.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1 is a main flow diagram of the present invention;
FIG. 2 is a schematic structural view of the front side of the distributed gas measurement device of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic structural view of the self-tapping pendant of the present invention;
FIG. 5 is a schematic structural view of a self-rotating dust filter of the present invention;
FIG. 6 is a schematic structural view of the front side of the base plate of the present invention;
FIG. 7 is a schematic structural view of a temporary gas reservoir inflated in a distributed gas measurement apparatus according to the present invention;
wherein: 1 spacing cover, 2 right circulating pipe, 31 outlet duct, 32 left circulating pipe, 4 interim gas storage bags, 5 hemisphere grooves, 6 intercommunication trachea, 7 PM2.5 sensor, 8 bottom plates, 9 pivot, 10 filters, 11 from knocking the weight, 12 wet absorption cotton boards, 81 shells, 82 stereoplasm commentaries on classics board, 83 sponge pieces.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
The distributed indoor air monitoring method of the invention as shown in the attached figure 1 comprises the following steps:
s1, firstly, measuring indoor and outdoor air flow values according to the air flow sensors arranged at the window sides, and controlling the distributed air measuring devices corresponding to the window sides to be opened when the air flow sensors judge that the air flow values are small as shown in figure 1;
s2, operating an induced draft fan installed in the top wall body, so as to suck indoor air into the distributed air measurement device;
s3, the distributed gas measurement device expands, and a PM2.5 sensor (7) in the distributed gas measurement device measures the PM2.5 content in the air;
when the PM2.5 content does not exceed the standard, controlling the electromagnetic valve on the right side to be opened, discharging the gas in the distributed gas measurement device back to the room, and repeating S2-S3 after a period of time;
and when the content of PM2.5 exceeds the standard, controlling the opening of the electromagnetic valve on the left side to discharge the gas in the distributed gas measurement device into the self-rotation dust filter device for filtering, then discharging the gas into a room, and continuously repeating S2-S3 until the content of PM2.5 is lower than the standard value.
The air flow value in S1 is small, namely the indoor is in a closed state, the interval time in S3 is 1-1.5h, when the indoor air is not circulated, particularly under the condition that a sound insulation window is closed at night, PM2.5 is higher, and at the moment, the indoor air is monitored, so that the content of the indoor PM2.5 can be adjusted in time, and the personal health of indoor residents is improved.
Referring to fig. 2, a in the figure shows a top wall, the distributed gas measurement device comprises a limit cover 1 and a temporary gas storage bag 4 fixedly connected with the top wall, the temporary gas storage bag 4 is made of elastic material, when a suction fan sucks air, the temporary gas storage bag 4 can be expanded so as to temporarily store air, the limit cover 1 is of a net-shaped hard structure, please refer to fig. 7, the expansion of the temporary gas storage bag 4 can be limited, the temporary gas storage bag 4 is effectively ensured not to be easily broken when the suction fan sucks air, the suction fan is communicated with the temporary gas storage bag 4, a PM2.5 sensor 7 is arranged at the lower end of the top wall in the temporary gas storage bag 4, the limit cover 1 is arranged in the temporary gas storage bag 4, a communicating air pipe 6 is fixedly connected to the middle part of the lower end of the temporary gas storage bag 4, the communicating air pipe 6 movably penetrates through the limit cover 1, a dust filtering channel and a right circulating pipe 2 with a right electromagnetic valve are embedded in the top wall, the two ends of the right circulating pipe 2 and the dust filtering channel are respectively communicated with the indoor and the temporary gas storage bag 4, the dust filtering channel comprises a left circulating pipe 32 with a left electromagnetic valve, a hemispherical groove 5 dug in the top wall body and a gas outlet pipe 31 embedded in the top wall body, the left circulating pipe 32, the hemispherical groove 5 and the gas outlet pipe 31 are arranged from right to left and are communicated with each other, when the PM2.5 content detected by the PM2.5 sensor 7 is not over standard, air gathered in the temporary gas storage bag 4 can be normally discharged into the indoor from the right circulating pipe 2, when the PM2.5 content detected is over standard, the air gathered in the temporary gas storage bag 4 can enter the dust filtering channel to adsorb the PM2.5, the PM2.5 of the indoor air can be timely reduced to be below the standard, and the health of indoor personnel can be effectively guaranteed.
As shown in fig. 3-4, the inner wall surface of the hemispherical groove 5 close to one side of the left circulation pipe 32 is fixedly connected with a plurality of uniformly distributed self-knocking pendants 11, the ends of the self-knocking pendants 11 extend to gaps among a plurality of filter elements 10, the self-knocking pendants 11 are elastic balls comprising inelastic ropes and fixedly connected to the ends of the inelastic ropes, when the filter elements 10 move, the filter elements 10 can collide with the self-knocking pendants 11, the elastic balls can knock on the surfaces of the filter elements 10, so that the dropping of PM2.5 particles on the filter elements 10 is accelerated, the permeability of the filter elements 10 is restored, and the filter adsorption effect of the filter elements on the PM2.5 particles is better.
Referring to fig. 5, the rotation dust filter includes a bottom plate 8 having a handle at the lower end, the bottom plate 8 is connected to the notch of the hemispherical groove 5 in a clamping manner, a rotating shaft 9 is rotatably connected to the upper end of the bottom plate 8, a plurality of filter sheets 10 are fixedly connected to the outer end of the rotating shaft 9, the air entering the hemispherical groove 5 through the left circulating pipe 32 passes through the hemispherical groove 5, so as to be adsorbed by PM2.5 by the rotation dust filter, when the permeability of the filter sheets 10 near the left circulating pipe 32 is deteriorated after a period of time, the wind resistance is increased, the air discharged from the left circulating pipe 32 pushes the filter sheets 10, so as to change the positions of the filter sheets 10, so as to move the filter sheets 10 with good permeability to the left circulating pipe 32, thereby effectively ensuring the adsorption of the rotation dust filter to PM2.5 in the indoor air, a wet adsorption cotton plate 12 is adhered to the upper surface of the bottom plate 8, and a wet bamboo cotton fiber layer is disposed on the upper surface of the wet adsorption cotton plate 12, when the position of the filter element 10 changes, the PM2.5 particles adsorbed on the surface of the filter element can fall off by vibration, the falling PM2.5 particles can be effectively adhered to the wet bamboo cotton fiber layer, and the falling PM2.5 particles are effectively prevented from returning to the indoor space along with the flow of air.
As shown in fig. 6, the bottom plate 8 includes a housing 81, a hard rotating plate 82 screwed in the limiting cover 1 and a sponge block 83 fixedly connected to the upper end of the hard rotating plate 82, water is adsorbed inside the sponge block 83, the part of the housing 81 located at the upper end of the sponge block 83 is a multi-through hole structure, at intervals, the hard rotating plate 82 can be rotated by a handle to move upwards, so that the hard rotating plate 82 is squeezed, a cup inside the hard rotating plate is squeezed out, the part capable of passing through the multi-through hole of the housing 81 is adsorbed by the wet adsorption cotton plate 12 and the wet bamboo cotton fiber layer on the upper surface of the wet adsorption cotton plate, and is kept wet, thereby ensuring the adsorption of PM2.5 particles.
Through the arrangement of the distributed gas measurement device, when the indoor air has poor flowability, the indoor air can be monitored, so that the content of the PM2.5 in the indoor air is timely ensured to be below a standard value, the health of indoor personnel is effectively ensured, in the process, the temporary sampling of the indoor air can be realized through the expansion and contraction of the temporary gas storage bag 4, when the content of the PM2.5 exceeds the standard, PM2.5 particles in the air can be timely adsorbed through the self-rotation dust filter, in addition, the position of the filter disc 10 can be automatically adjusted in the adsorption process of the self-rotation dust filter, so that the filter disc 10 with better permeability is moved to the left circulating pipe 32, the adsorption effect of the self-rotation dust filter on the PM2.5 in the indoor air is effectively ensured, meanwhile, the partial permeability of the filter disc 10 can be timely recovered by matching the effects of the self-knocking pendant and the bottom plate 8, and the diffusion of the PM2.5 in the hemispherical groove 5 can be effectively reduced under the effect of the wet bamboo cotton fiber layer, and further effectively improve the whole adsorption efficiency to room air PM 2.5.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (3)
1. A distributed indoor air monitoring method is characterized in that: the method comprises the following steps:
s1, firstly, measuring indoor and outdoor air flow values according to the air flow sensors arranged at the window sides, and controlling the distributed air measuring devices corresponding to the window sides to be opened when the air flow sensors judge that the air flow values are small;
s2, install the suction fan work in the top wall body to with indoor air suction distributed gas survey device, distributed gas survey device include with top wall body fixed connection' S spacing cover (1) and interim gas storage bag (4), the suction fan communicates with each other with interim gas storage bag (4), PM2.5 sensor (7) are installed and are being located the top wall body lower extreme in interim gas storage bag (4), spacing cover (1) are located inside interim gas storage bag (4), interim gas storage bag (4) lower extreme middle part fixedly connected with intercommunication trachea (6), spacing cover (1) are run through in intercommunication trachea (6) activity, inside the inlaying of top wall body has the dust filtration passageway and has right circulating pipe (2) of right solenoid valve, right circulating pipe (2) and the both ends of dust filtration passageway are equallyd divide and are do not communicate with each other with indoor and interim gas storage bag (4), the dust filtration passageway is including left circulating pipe (32) that have left solenoid valve, The dust filter comprises a hemispherical groove (5) formed in a top wall body and an air outlet pipe (31) embedded in the top wall body, wherein a left circulating pipe (32), the hemispherical groove (5) and the air outlet pipe (31) are arranged from right to left, the three are communicated with each other, a self-rotation dust filter comprises a bottom plate (8) with a handle at the lower end, the bottom plate (8) is clamped with a notch of the hemispherical groove (5), the inner wall surface of the hemispherical groove (5) close to one side of the left circulating pipe (32) is fixedly connected with a plurality of uniformly distributed self-knocking weights (11), the end part of the self-knocking weight (11) extends to a gap between a plurality of filter pieces (10), the self-knocking weights (11) are elastic balls comprising inelastic ropes and fixedly connected to the ends of the inelastic ropes, a wet adsorption cotton plate (12) is adhered to the upper surface of the bottom plate (8), and a wet bamboo cotton fiber layer is arranged on the upper surface of the wet adsorption cotton plate (12), the upper end of the bottom plate (8) is rotatably connected with a rotating shaft (9), the outer end of the rotating shaft (9) is fixedly connected with a plurality of filter elements (10) which are uniformly distributed, the bottom plate (8) comprises a shell (81), a hard rotating plate (82) which is in threaded connection with the limiting cover (1) and a sponge block (83) which is fixedly connected with the upper end of the hard rotating plate (82), water is adsorbed in the sponge block (83), and the part of the shell (81) which is positioned at the upper end of the sponge block (83) is of a multi-way through hole structure;
s3, the distributed gas measurement device expands, and a PM2.5 sensor (7) in the distributed gas measurement device measures the PM2.5 content in the air;
when the PM2.5 content does not exceed the standard, controlling the electromagnetic valve on the right side to be opened, discharging the gas in the distributed gas measurement device back to the room, and repeating S2-S3 after a period of time;
and when the content of PM2.5 exceeds the standard, controlling the electromagnetic valve on the left side to be opened, discharging the gas in the distributed gas measurement device into the self-rotation dust filter device for filtering, then discharging the gas into a room, and continuously repeating S2-S3 until the content of PM2.5 is lower than the standard value.
2. A distributed indoor air monitoring method according to claim 1, characterized in that: the air flow value in S1 is smaller, namely the indoor is in a closed state, and the interval time in S3 is 1-1.5 h.
3. A distributed indoor air monitoring method according to claim 1, characterized in that: the temporary gas storage bag (4) is made of elastic materials, and the limiting cover (1) is of a net-shaped hard structure.
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| CN202010218845.3A CN111426004B (en) | 2020-03-25 | 2020-03-25 | Distributed indoor air monitoring method |
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| CN206454388U (en) * | 2017-01-25 | 2017-09-01 | 浙江盼程针织有限公司 | Air special purification processing unit in a kind of Socks Factory's factory building |
| CN207102161U (en) * | 2017-05-13 | 2018-03-16 | 新昌县科畅科技咨询有限公司 | Intelligent PM2.5 detects filtration purifier |
| JP2019052797A (en) * | 2017-09-15 | 2019-04-04 | シャープ株式会社 | Network system, information processing method and server |
| EP3474091B1 (en) * | 2017-10-20 | 2023-07-05 | aixprocess GmbH | Method and device for controlling a process within a system, namely of a milling process in a milling device |
| CN207662665U (en) * | 2017-12-01 | 2018-07-27 | 云南森雅环保科技有限公司 | A kind of multi-functional comprehensively sampling instrument |
| CN207866579U (en) * | 2017-12-28 | 2018-09-14 | 贾琰 | A kind of environmental protection air sampling detection device |
| CN108357322B (en) * | 2018-01-10 | 2020-11-03 | 吉利汽车研究院（宁波）有限公司 | Intelligent management system and method for air quality in vehicle |
| CN208115407U (en) * | 2018-02-08 | 2018-11-20 | 福建省晋江市金山印染织造有限公司 | A kind of workshop dust collector |
| CN208206570U (en) * | 2018-06-04 | 2018-12-07 | 义乌市百汇环保科技有限公司 | A kind of indoor multi-functional air sampling apparatus |
| CN208652734U (en) * | 2018-06-25 | 2019-03-26 | 成都凌凌漆科技有限公司 | A kind of air cleaner with function with the humid air |
| CN109268944B (en) * | 2018-09-06 | 2020-10-09 | 广东美的制冷设备有限公司 | Air conditioner, method and apparatus for controlling the same, and computer-readable storage medium |
| CN209181158U (en) * | 2018-11-30 | 2019-07-30 | 合肥京安自动化系统有限公司 | A kind of interior detection gas purification device |
| CN209549076U (en) * | 2019-01-28 | 2019-10-29 | 沧州晨杭环保设备有限公司 | Environmentally friendly flue dust bag filter |
| CN110864430A (en) * | 2019-11-04 | 2020-03-06 | 佛山市云米电器科技有限公司 | Multi-functional air-out equipment with environmental data gathers function |
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2020
- 2020-03-25 CN CN202010218845.3A patent/CN111426004B/en not_active Expired - Fee Related
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