CN104930660A - Air state monitoring method and device - Google Patents

Air state monitoring method and device Download PDF

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Publication number
CN104930660A
CN104930660A CN201510354320.1A CN201510354320A CN104930660A CN 104930660 A CN104930660 A CN 104930660A CN 201510354320 A CN201510354320 A CN 201510354320A CN 104930660 A CN104930660 A CN 104930660A
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Prior art keywords
air condition
sensor
condition data
duration
detection
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CN201510354320.1A
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CN104930660B (en
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施锦岸
冯荣华
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Beijing Qihoo Technology Co Ltd
Qizhi Software Beijing Co Ltd
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Beijing Qihoo Technology Co Ltd
Qizhi Software Beijing Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties

Abstract

The invention discloses an air state monitoring method. The method comprises the steps that S1, a sensor is driven to perform detection during a first time length within a specific working cycle so that detected air state data can be obtained, and the sensor is enabled to stop working to be dormant until the working cycle is completed; S2, the sensor is driven to perform detection during a second time length smaller than the first time length within the specific working cycle so that detected air state data can be obtained; S3, when it is judged that the error range of the air state data obtained through detection this time and the air state data obtained through detection last time does not exceed an error range, S4 is performed; S4, the sensor is enabled to stop working to be dormant until the working cycle is completed, and then S2 continues to be performed.

Description

Air condition monitoring method and monitoring device
Technical field
The present invention relates to a kind of air detection technical field, particularly relate to a kind of air condition monitoring method, and for realizing the air condition monitoring device of this monitoring method.
Background technology
Haze weather is very large to Health Impact, particularly PM2.5 wherein.Current air cleaning facility, air quality monitoring equipment all can be monitored the particle in air by adopting sensor, measure the concentration of corresponding particle in air, to judge air quality, make an important reference index with the content of PM2.5.For the sensor that PM2.5 (even for other particles) monitors, its basic functional principle is as follows: have fan in senser element and flow by air, laser detection unit is also provided with in sensor, the fine particle number of moving air process in the unit interval can be monitored, determine the concentration of dust.
If when sensor needs long-term work, fan and the laser detection unit of its inside can be in the state of working long hours, now, easily produce too much heat, fan, particularly laser detection cell life are shortened greatly.Thus cause the life-span of whole sensor greatly to shorten.
Sensor does not intermittently work long hours, big energy-consuming, is unfavorable for power savings.On the other hand, obtain accurate air condition data and need to rely on sensor not working long hours intermittently, this implementation also seems unreasonable.
Summary of the invention
For realizing object of the present invention, a kind of air condition monitoring method extending sensor service life, energy saving being provided, and realizing the air condition monitoring device of this monitoring method.
A kind of air condition monitoring method, it comprises the steps:
Step S1, driving sensor the first duration within particular duty cycle performs detection, and obtain the air condition data detected, stop sensor work is to make it dormancy to completing the described work period;
Step S2, driving sensor perform detection with the second duration being less than described first duration in particular duty cycle, obtain the air condition data detected;
Step S3, when judge this detect the air condition data and the previous error range detecting the air condition data obtained that obtain do not exceed error range time, transfer execution step S4;
Step S4, stop sensor work, making its dormancy to completing the described work period, jumping to step S2 and continuing to perform.
In step S3, when judging these air condition data detecting acquisition and the previous error detecting the air condition data obtained exceeds error range, testing process is continued to the detection of the first duration to obtain new air condition data, then performed step S4.
Particularly, the described work period is specific on duration, in each work period, makes the duration of sensor dormancy be difference between this work period and corresponding detection duration.
For providing necessary air condition reference index, described air condition data are PM2.5 data.
Read air condition data for ease of people, before described sensor enters dormancy, this is detected the described air condition data output display obtained.
The difference of described first duration and the second duration is: the accuracy of the data that the accuracy of the data obtained through the detection of described second duration obtains lower than the detection through described first duration.
Preferably, described second duration be described first duration 1/8 to 1/4 between any value.More preferably, described first duration is 36 seconds, and described second duration is 6 seconds.
Further, described work period duration is 60 seconds.
Further, this detects the default error range of air condition data that the air condition data that obtain and previous detection obtain and is confined to any value between 5%-20%.Preferably, described default error range is constrained on 10%.
Described monitoring method also comprises following not by the step of order restriction:
Receive described work period, the first duration, the second duration, preset one of any in error range or setting instruction multinomial arbitrarily and corresponding entry is preset.
A kind of air condition monitoring device, it comprises:
Sensor, for controlled execution air condition Data Detection, to obtain corresponding air condition data;
Control unit, for performing foregoing air condition monitoring method to control described sensor;
Output equipment, exports its air condition data driving described sensor to obtain for described control unit.
For providing the interface of digital independent, described output equipment is display, for showing the air condition data up-to-date in time that described control unit exports.
For realizing the storage of data, described output equipment is memory, for temporally storing every air condition data that described control unit exports.
For realizing wireless transmission, described output equipment is remote transmission module, is exported by remote interface for the air condition data exported by described control unit.Particularly, described remote transmission module is one of any in sonic transmissions module, Bluetooth communication modules, WiFi transport module, mobile communication module.
Further, described sensor comprises for detecting PM2.5 content to determine the detecting unit of described air condition data and the blower fan for driving air to flow.
Described control unit is configured to control detecting unit and the blower fan synchronous averaging of described sensor or quits work.
Compared with prior art, the present invention has following advantage:
(1) air condition monitoring method of the present invention, be provided with operative norm detect the first duration and perform the second duration detected fast, perform quick sense cycle as a rule, effectively shorten the working time that sensor carries out single detection, avoid sensor to produce parts tired;
(2) air condition monitoring method of the present invention, sleep time is inserted within the work period of sensor, sensor is quit work in sleep time, sensor is avoided to generate heat because working long hours further, affect the sensitivity of sensor, it also avoid sensor and produce parts fatigue, effectively extend the service life of sensor;
(3) air condition monitoring method of the present invention, described sleep time controls, being greater than 1 times and being no more than 2 times of described first durations, can extend the service life of sensor, can take into account again the needs detected in real time;
(4) air condition monitoring method of the present invention, be provided with the error range that air condition data compare, and according to whether exceeding the inspection policies that this error range adjusts sensor in good time, while the working life ensureing sensor, also ensure that the accuracy of the data that sensor produces;
(5) air condition monitoring device of the present invention, be provided with remote transmission module as one of output equipment, this monitoring device is combined with network, this monitoring device can be made to incorporate in home information system, become one of them member making intelligent residence, or, in public's environment, be set to networked air detection system, realize monitoring more accurately to air condition.
The such scheme that the present invention proposes, very little to the change of existing system, can not the compatibility of influential system, and realize simple, efficient.
The aspect that the present invention adds and advantage will part provide in the following description, and these will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the structural framing schematic diagram of the first embodiment of air condition monitoring device of the present invention.
Fig. 2 is the structural framing schematic diagram of the second embodiment of air condition monitoring device of the present invention.
Fig. 3 is the schematic flow sheet of the first embodiment of air condition monitoring method of the present invention.
Fig. 4 is the schematic flow sheet of the second embodiment of air condition monitoring method of the present invention.
Fig. 5 is the schematic flow sheet of the 3rd embodiment of air condition monitoring method of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Those skilled in the art of the present technique are appreciated that unless expressly stated, and singulative used herein " ", " one ", " described " and " being somebody's turn to do " also can comprise plural form.Should be further understood that, the wording used in description of the present invention " comprises " and refers to there is described feature, integer, step, operation, element and/or assembly, but does not get rid of and exist or add other features one or more, integer, step, operation, element, assembly and/or their group.Should be appreciated that, when we claim element to be " connected " or " coupling " to another element time, it can be directly connected or coupled to other elements, or also can there is intermediary element.In addition, " connection " used herein or " coupling " can comprise wireless connections or wirelessly to couple.Wording "and/or" used herein comprises one or more whole or arbitrary unit listing item be associated and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology), have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.It should also be understood that, those terms defined in such as general dictionary, should be understood to that there is the meaning consistent with the meaning in the context of prior art, unless and by specific definitions as here, otherwise can not explain by idealized or too formal implication.
Those skilled in the art of the present technique are appreciated that, here used " terminal ", " terminal device " had both comprised the equipment of wireless signal receiver, it only possesses the equipment of the wireless signal receiver without emissivities, comprise again the equipment receiving and launch hardware, it has and on bidirectional communication link, can perform the reception of two-way communication and launch the equipment of hardware.This equipment can comprise: honeycomb or other communication equipments, its honeycomb or other communication equipment of having single line display or multi-line display or not having multi-line display; PCS (Personal Communications Service, PCS Personal Communications System), it can combine voice, data processing, fax and/or its communication ability; PDA (PersonalDigital Assistant, personal digital assistant), it can comprise radio frequency receiver, pager, the Internet/intranet access, web browser, notepad, calendar and/or GPS (Global PositioningSystem, global positioning system) receiver; Conventional laptop and/or palmtop computer or other equipment, it has and/or comprises the conventional laptop of radio frequency receiver and/or palmtop computer or other equipment.Here used " terminal ", " terminal device " can be portable, can transport, be arranged in the vehicles (aviation, sea-freight and/or land), or be suitable for and/or be configured at local runtime, and/or with distribution form, any other position operating in the earth and/or space is run.Here used " terminal ", " terminal device " can also be communication terminal, access terminals, music/video playback terminal, can be such as PDA, MID (Mobile Internet Device, mobile internet device) and/or there is the mobile phone of music/video playing function, also can be the equipment such as intelligent television, Set Top Box.
Those skilled in the art of the present technique are appreciated that used remote network devices here, and it includes but not limited to the cloud that computer, network host, single network server, multiple webserver collection or multiple server are formed.At this, cloud is formed by based on a large amount of computer of cloud computing (Cloud Computing) or the webserver, and wherein, cloud computing is the one of Distributed Calculation, the super virtual machine be made up of a group loosely-coupled computer collection.In embodiments of the invention, realize communicating by any communication mode between remote network devices, terminal device with WNS server, include but not limited to, the mobile communication based on 3GPP, LTE, WIMAX, the computer network communication based on TCP/IP, udp protocol and the low coverage wireless transmission method based on bluetooth, Infrared Transmission standard.
With reference to figure 1, realize the air condition monitoring device for air condition detection of the present invention and comprise control unit 1, sensor 2 and all kinds of output equipment (sign).
Particularly, described sensor 2 comprises blower fan 21 and detecting unit 22, and this sensor 2 is the matured product of this area.Described blower fan 21 flows for driving sensor 2 ambient air, to import the air that needing around this monitoring device detects its quality state.Described detecting unit 22 is for detecting the number of particle in the air that flows in the unit interval, and the number of particularly harmful PM2.5, finally to determine the concentration of particle in air.Under normal circumstances, described detecting unit 22 adopts laser measuring technology, the general principle of laser measuring technology is: by stable laser signal source through the air duct of specifying being suspended with various particle, can reflect or scattering the laser of incidence after particle in this air duct is irradiated with a laser, arrange and receive from the reverberation of specific direction or the light receiving element of scattered light, and utilize described control unit 1 to calculate the intensity of the optical signal received, according to the attenuation coefficient that laser signal source is preset, the concentration of corresponding suspended particulate in this air duct of further calculating, for described control unit 1 provides corresponding air condition data.
Further, described control unit 1 is for performing default programmed instruction to control described sensor 2, and the control volume of this control unit 1 pair of sensor 2 controls the blower fan 21 of this sensor 2 and/or the startup of detecting unit 22 and dormancy now.Specifically, this control unit 1 receives the air condition data coming from described sensor 2 and produce, and according to pre-set programs result of calculation, according to result, FEEDBACK CONTROL instruction is to described sensor 2, to realize the control to described sensor 2.
Further, in order to realize man-machine interaction, the air condition data resulting from described sensor 2 can output to various output equipment by described control unit 1.Described output equipment can be following listed any one or multiple:
(1) memory 3, in chronological sequence sequential storage by described sensor 2 produce and the every air condition data exported by described control unit 1, and the program information preset that the described control unit 1 of various confession reads; By providing memory, conveniently record can be carried out, so that subsequent analysis to measured air condition data.
(2) display 4, for show produced by described sensor 2 and the air condition data of the up-to-date in time acquisition exported by described control unit 1, for user's real time inspection.
Continue with reference to figure 1, above-mentioned control unit 1, sensor 2, memory 3 and display 4 can be encapsulated in an entity, as the air monitoring device with entity morphology.
Further, as shown in Figure 1, described output equipment can also comprise remote transmission module 5, for by produced by described sensor 2 and the air condition data exported by described control unit 1 exported by remote interface; This remote transmission module 5 can be one of any in sonic transmissions module, Bluetooth communication modules, WiFi transport module, mobile communication module.
In like manner, above-mentioned control unit 1, sensor 2 and remote transmission module 5 can be encapsulated in an entity, as the air monitoring device with entity morphology, the display device that the air detection data that this air monitoring device produces are sent to far-end by described remote transmission module 5 shows, or the memory device being sent to far-end stores.
With reference to figure 2, above-mentioned sensor 2 can encapsulate with described remote transmission module 5, described control unit 1, memory 3 and display 4 can be encapsulated in another entity, and the exchanges data between one or more described sensor 2 and control unit 1 carries out the transmission of wireless mode by this remote transmission module 5.
The above-mentioned air monitoring device being provided with remote transmission module 5 combines with network, when this air monitoring device of setting is for household use, can incorporates in home information system by this air monitoring device, become one of them member making intelligent residence; When this air monitoring device of setting is for the public, this air monitoring device can be set to the networked system of multiple spot monitoring, the air condition of PE be monitored, and provides reference data by Internet Transmission to the public.
With reference to figure 3, above-mentioned monitoring device of the present invention performs pre-set programs by its control unit and performs air condition monitoring method of the present invention, to be optimized by the mode of operation of described control unit 1 to described sensor 2, described air condition monitoring method comprises the steps:
Step S1, detects with the first duration and obtains air condition data in particular duty cycle;
Described air monitoring device sets the specific work period, in each described work period, comprises the first duration or the second duration that perform detecting step, has also comprised the sleep time of residue work period.
According to actual conditions, the duration of described work period can be set as 60 seconds.
After described air monitoring device starts, described control unit 1 drives described sensor 2 operative norm detecting step in described first duration, and obtains air condition data thus.Described air condition data by described display 4 and/or remote transmission module 5 output display, and/or are only stored in memory.
Described standard detection refers to that described sensor 2 can obtain abundant detection sample with the process by calculating the detection data obtaining sufficient accuracy in specific duration.Described first air condition data are as the reference data of subsequent detection.Accordingly, according to actual conditions, described first duration can be set as 36 seconds.
Further, after obtaining described air condition data, described control unit 1 stops described sensor 2 to work, and enters dormancy until complete this work period to make it.Described sleep procedure, for avoiding the blower fan 21 of described sensor 2 and detecting unit 22 because of continuous operation thus causing shorten the service life of this sensor 2, also can reach energy-conservation object simultaneously.
Step S2, detects with the second duration in the described work period next time and obtains new air condition data;
In the upper once described work period, described control unit 1 drives described sensor 2 to perform quick detecting step in described second duration, and obtains new air condition data thus.Described new air condition data export to cover the display of previous air condition data by described display 4 and/or remote transmission module 5, and/or are recorded in memory.
Described quick detection refers to that described sensor 2 can obtain minimal detection sample to obtain the relative process detecting data accurately by calculating in another specific duration.
Can know the difference between described quick detection and standard detection thus: compare from the accuracy of obtained data, the accuracy of the data obtained through described quick testing process is lower than the accuracy of the data obtained through described standard detection process; Compare from duration, described quick detection performs in described second duration, and described standard detection performs in described first duration, and described second duration is less than described first duration, preferably, described second duration be described first duration 1/8 to 1/4 between any value.
According to actual conditions, described second duration can be set as 6 seconds.
Step S3, error calculation, and judge;
First, the air condition data that this detection described obtains by described control unit 1 and the previous air condition data obtained that detect carry out error calculation, when this detect the air condition data obtained with the previous error detecting the air condition data obtained within default error range time, show that the described air condition data that this detects acquisition are comparatively close to the air condition data that relatively accurate described previous detection obtains, or, show that larger change does not occur present air state.Secondly, described sensor 2 is stopped to work to make it enter dormancy to completing the described work period.Finally, jump to and perform above-mentioned steps S2, initially as described reference data first air condition data by substitute by described new air condition data, reference data then by successively substitute by the air condition data that newly obtain.
But, when described this detect the air condition data that obtain with the previous error detecting the air condition data obtained outside default error range time, show that described this detects the air condition data that obtain and relative accurate described previous to detect the air condition gap data obtained larger, fail correctly to reflect present air state, or, show that present air state there occurs larger change, now, described in described control unit 1 Direct driver, the detection duration of sensor 2 continues to described first duration by described second duration, data during to be obtained new air condition by standard detection step.Then, the new air condition data obtained are detected to this and proceed error calculation.
Further, described default error range is constrained on 5% ~ 20%, and preferably 10%.If the error range preset is too little, described sensor 2 is difficult to realize quick detection; If the error range preset is too large, the air condition data obtained do not have reference significance.
The value of above-mentioned work period, the first duration, the second duration and default error range should be pre-stored in the memory 3 of this air monitoring device, extracts call for described control unit 1 when controlling described sensor 2.
According to above to the description of described air condition monitoring method, the control of the working method of described control unit 1 pair of sensor 2 can also have following change:
(1) with reference to figure 4, the period 1 of operative norm testing process is set, performs second round and the dormancy period of quick testing process.
S1) described control unit 1 drive described sensor 2 start rear elder generation within the described period 1 operative norm testing process to obtain air condition data;
S2) described control unit 1 stops described sensor 2 to work to enter dormancy period;
S3) described control unit 1 drives described sensor 2 within described second round, to perform quick testing process to obtain new air condition data;
S4) when judging these air condition data detecting acquisition and the previous error detecting the air condition data obtained does not exceed in described error range, then following S5 is performed); When judging these air condition data detecting acquisition and the previous error detecting the air condition data obtained exceeds in described error range, then circulation performs S1) ~ S4);
S5) after a described dormancy period, sensor 2 continues to enter second round to perform quick testing process, continues to perform described S4);
(2) with reference to figure 5, the period 1 of operative norm testing process is set, performs second round and the dormancy period of quick testing process.
Described default error range is divided into third gear: 0 ~ 5% (comprising 5%), 5% ~ 15% (comprising 15%) and more than 15%.Described control unit 1 first obtains the air condition data that described sensor 2 produced in described period 1 and second round successively.Then, carry out error calculation, when the error of the new air condition data that obtain and previous acquisition air condition data is when 0 ~ 5% (comprising 5%), stop sensor 2 works to make it enter dormancy period, continues to enter second round to carry out quick testing process after described dormancy period terminates; When the error of the air condition data of the new air condition data that obtain and previous acquisition is when 5% ~ 15% (comprising 15%), driving sensor 2 enters a second round to carry out quick testing process, to proceed error calculation; When the error of the air condition data of the new air condition data that obtain and previous acquisition is more than 15%, driving sensor 2 enters a period 1 to carry out standard detection process, continue again to enter described second round to detect fast, to proceed error calculation;
(3) described control unit 1 obtains several air condition data obtained by quick testing process of the air condition data obtained by standard detection process and follow-up continuous generation successively, after a described dormancy period, again as step above obtains the air condition data and several air condition data obtained by quick testing process obtained by standard detection process successively; This monitoring method can omit pre-seting of described error range;
(4) described control unit 1 continuously obtains several air condition data obtained by quick testing process of the air condition data obtained by standard detection process and follow-up continuous generation successively, and after often obtaining air condition data, carry out the quick dormancy period (as 10 seconds) of a short period.
The part of above control method is replaced or is reconfigured not deviate from and of the present inventionly realizes principle, and this is considered as equal replacement of the present invention.
In sum, air condition monitoring method of the present invention and monitoring device effectively extend sensor service life, and realize energy saving.
It should be noted that at this, the above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.The present invention do not rely on terminal operating system API and achieve remote session set up technical scheme, be not only conducive to realizing centralized Control, and improve safety coefficient and execution efficiency by avoiding mobile communications network.The present invention is not only applicable to Windows, is also applicable to comprise Android, IOS etc. and has built voluntarily in the system environments of Push Service.
The above is only some embodiments of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. an air condition monitoring method, is characterized in that, it comprises the steps:
Step S1, driving sensor in particular duty cycle with the first duration perform detection, obtain the air condition data that detect, stop sensor work is to make it dormancy to completing the described work period;
Step S2, driving sensor perform detection with the second duration being less than described first duration in particular duty cycle, obtain the air condition data detected;
Step S3, when judge this detect the air condition data and the previous error range detecting the air condition data obtained that obtain do not exceed error range time, transfer execution step S4;
Step S4, stop sensor work, making its dormancy to completing the described work period, jumping to step S2 and continuing to perform.
2. air condition monitoring method as claimed in claim 1, it is characterized in that: in step S3, when judging these air condition data detecting acquisition and the previous error detecting the air condition data obtained exceeds error range, testing process is continued to the detection of the first duration to obtain new air condition data, then performed step S4.
3. air condition monitoring method as claimed in claim 1, is characterized in that: the described work period is specific on duration, in each work period, makes the duration of sensor dormancy be difference between this work period and corresponding detection duration.
4. air condition monitoring method as claimed in claim 1, is characterized in that: the accuracy of the data that the accuracy of the data obtained through the detection of described second duration obtains lower than the detection through described first duration.
5. air condition monitoring method as claimed in claim 1, is characterized in that: described second duration be described first duration 1/8 to 1/4 between any value.
6. air condition monitoring method as claimed in claim 1, is characterized in that: the default error range of the air condition data that this detection obtains and the air condition data that previous detection obtains is confined to any value between 5%-20%.
7. an air condition monitoring device, is characterized in that, it comprises:
Sensor, for controlled execution air condition Data Detection, to obtain corresponding air condition data;
Control unit, for performing if the air condition monitoring method in claim 1 to 6 as described in any one is with the sensor as described in controlling;
Output equipment, exports its air condition data driving described sensor to obtain for described control unit.
8. air condition monitoring device as claimed in claim 7, is characterized in that: described output equipment is display, for showing the air condition data up-to-date in time that described control unit exports.
9. air condition monitoring device as claimed in claim 7, be is characterized in that: described output equipment is remote transmission module, is exported for the air condition data exported by described control unit by remote interface.
10. air condition monitoring device as claimed in claim 7, is characterized in that: described sensor comprises for detecting PM2.5 content to determine the detecting unit of described air condition data and the blower fan for driving air to flow.
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