CN205607971U - Air quality detector - Google Patents
Air quality detector Download PDFInfo
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- CN205607971U CN205607971U CN201620417293.8U CN201620417293U CN205607971U CN 205607971 U CN205607971 U CN 205607971U CN 201620417293 U CN201620417293 U CN 201620417293U CN 205607971 U CN205607971 U CN 205607971U
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- air quality
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Abstract
The utility model discloses an air quality detector, inhale detecting element including diffusion formula detecting element and pump, diffusion formula detecting element and pump all are equipped with air matter level sensor module in inhaling detecting element, wherein, diffusion formula detecting element both ends are equipped with air inlet and the gas outlet that supplies the air business turn over, the one end that detecting element is inhaled to the pump is equipped with sampling channel switching ware, and the other end is equipped with miniature air pump. The utility model discloses a diffusion formula detecting element and pump are inhaled detecting element and are mutually supported, and diffusion formula detecting element wherein is used for detecting the air quality of overall situation such as storehouse, is the pump inhaled detecting element and is connected 1 through sampling channel switching ware the long sampling hose of 2m stretches into different sampling position, conveniently detects the air quality of microenvironments such as showcase, filing cabinet, intensive.
Description
Technical field
This utility model relates to archives conservation, storehouse environment measuring, Detection of Air Quality technology neck
Territory, a can multi-channel detection storage area and file cabinet, showcase, compact shelving etc. be internal protects
Deposit the instrument of microenvironment air quality.
Background technology
Archives are the historical records that people are engaged in that social practice is directly formed, its cultural inheritance,
Service society, is treasure and the cultural heritage of country.In long-term preservation management process,
File carrier material is easily subject to atmosphere pollution, such as SO2、NOx(NO and NO2)、O3、
The erosion of particulate matter etc. and degradation and decomposition.On the other hand, storage area is airtight, logical owing to building
The feature that wind is bad, easily gathers multiple dusty gas, such as formaldehyde, benzene, toluene etc., causes
Air quality is the best.Therefore, detection and files for assessment storehouse air quality, it is by preventative
The important content of protection.The most constantly purify storage area air, eliminate gaseous contamination
Thing, improves storehouse air quality, then can effectively extend life time of archive.
Now with social development, most of the time people all in indoor environment among, indoor
Environmental aspect can affect health and emotion, and people are to the air quality of various indoor environments
Through paying special attention to.Storage area belongs to a kind of typical indoor environment, and file clerk is frequent
Need in storage area, be engaged in archive arrangement work for a long time, generally pay high attention to storehouse air
Quality.Therefore, good storehouse air quality not only contributes to the permanent preservation of archives, also has
It is beneficial to build healthy and safe working environment.
There is following shortcoming or not in some determining instrument of indoor air quality devices common in the art
Foot.Spot sampling, lab analysis chemical analysis method time-consuming bothersome, for storage area
Working environment is not suitable for;Some environmental contaminants detecting instrument such as air monitoring instrument system,
Bulky, run complexity, expensive be not suitable for storage area environment measuring;Also some
Instrument or detecting system, it is desirable to wherein detector unit (such as probe) is carried out distributed fixing
Installing, once position is fixed, and cannot move easily, and detection is with regard to underaction, data the most not
Comprehensively.The most most air quality detector device can only the air matter of overall situation in sensing chamber
Amount, to also having no idea inside the microenvironment such as file cabinet of archives preservation, showcase, compact shelving to examine
Survey.
Utility model content
In view of the foregoing defects the prior art has, a technology to be solved in the utility model is asked
Topic is to provide a kind of air quality detector, can detect the air quality of overall situation, moreover it is possible to
Enough detect the air quality of the most airtight microenvironments such as showcase, compact shelving, file cabinet.
Another one technical problem to be solved in the utility model is to provide a kind of air quality inspection
Survey instrument, it is possible to the air quality of multiple positions in detection indoor environment neatly.
For solving the problems referred to above, this utility model provides a kind of air quality detector, including
Diffusion type detector unit and pumping detector unit, described diffusion type detector unit and pumping detection are single
Being equipped with air mass sensor module in unit, wherein, described diffusion type detector unit two ends set
Having the air inlet for air turnover and gas outlet, one end of described pumping detector unit is provided with sampling
Censor key, the other end is provided with micro air pump.
As preferably, described air mass sensor module, including temperature, humidity, SO2、NOx、
O3, particulate matter, formaldehyde, any one or combination in any in VOCs sensor.
As preferably, in described diffusion type detector unit, it is provided with rotating fan.Further,
Described rotating fan is speed adjustable fan
As preferably, described sampling channel switch includes multiple sampling channel being in communication with the outside
With a sense channel led in described diffusion type detector unit, described sampling channel and detection
It is provided with control valve between passage, sampling channel connects sampling flexible pipe.
As preferably, described control valve is electromagnetic valve.
As preferably, described air quality detector also includes microcontroller, and described diffusion type is examined
Survey the air mass sensor mould in unit and rotating fan and the air of pumping detector unit
Mass sensor mould, electromagnetic valve and micro air pump are by described microprocessor controls.
Further, described air quality detector also includes that be connected with described microcontroller leads to
News module, described communication module and computer networking are with remotely detection.
Preferably, described air quality detector also includes data memory module and display
Unit.
Preferably, described air quality detector also includes power module, described power supply
Module includes lithium battery and Switching Power Supply.
Air quality detector of the present utility model is had the advantages that and is examined by diffusion type
Surveying cooperating of unit and pumping detector unit, diffusion type detector unit is used for detecting storehouse etc.
The air quality of overall situation, pumping detector unit connects 1-2m length by sampling channel switch
Sampling flexible pipe, stretches into different sampling locations, convenient detection showcase, file cabinet, compact shelving etc.
The air quality of microenvironment.Additionally, the sampling channel of pumping detector unit is soft by connecting sampling
Pipe, can select multiple test point, the air quality of multiple positions in flexible sensing chamber flexibly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the air quality detector of an embodiment of the present utility model.
Fig. 2 is the structural representation of the sampling channel switch of the air quality detector of the present embodiment
Figure.
Fig. 3 is the structured flowchart of the air quality detector control system of the present embodiment.
Detailed description of the invention
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings, but
Not as to restriction of the present utility model.
As it is shown in figure 1, the air quality detector of an embodiment of the present utility model, including expanding
Dissipate formula detector unit 1 and pumping detector unit 2, diffusion type detector unit 1 and pumping detector unit 2
Inside being equipped with air mass sensor module 3, wherein diffusion type detector unit 1 two ends are provided with for sky
The air inlet 11 of gas turnover and gas outlet 12, one end of pumping detector unit 2 is provided with sampling channel and cuts
Parallel operation 6, the other end is provided with micro air pump 5.
Air mass sensor module therein, including multiple underlying parameter sensors and multiple use
Sensor in detection pollutant.Dioxy is included but not limited to for detecting the sensor of pollutant
Change sulfur (SO2), (NOx, including NO and NO for nitrogen oxides2), ozone (O3), one oxidation
Carbon (CO), hydrogen sulfide (H2S), carbon dioxide (CO2), formaldehyde (HCHO), volatility
Organic compound (VOCs), particulate matter (PM10And PM2.5) sensor.Described basis ginseng
Number sensor includes but not limited to temperature sensor, humidity sensor and baroceptor.The most just
Saying it is the difference according to measuring target, air mass sensor module can only include a kind of sensing
Device, it is also possible to include the combination in any of multiple sensors.
Air inlet 11 and the gas outlet 12 at the diffusion type detector unit two ends in Fig. 1 use dotted line table
Show, represent and be connected with external environment, the version such as orifice plate or screen can be taked.
The air quality detector of the present embodiment is by detecting diffusion type detector unit 1 and pumping
The mode that unit 2 becomes one, the two is simultaneously operable, diffusion type detector unit 1 therein
Carry out air circulation with the external world by the form of natural diffuseness, indoor overall situation can be carried out sky
Gas quality testing, pumping detector unit 2 is persistently bled by micro air pump 5 by the way of offer power
Make the circulation of air, wherein sampling channel switch 6, conveniently can enter with multichannel sequence detection
Row is patrolled and examined, and one end of sampling channel switch 6 is provided with the multiple sampling channels 61 being in communication with the outside,
Rear end is provided with a sense channel 62, is provided with between multiple sampling channels 61 and sense channel 62
Control valve controls its break-make, and on sampling channel 61, front end can be by arranging adopting of sampling 1-2m length
Sample flexible pipe (not shown), stretches into different sampling location, convenient detection showcase, file cabinet,
The air quality of the microenvironments such as compact shelving.One of the air quality detector of the present embodiment is notable
Advantage be can be simultaneously to indoor overall situation and deposit the showcase of archives, file cabinet, intensive
The microenvironments such as frame carry out Detection of Air Quality, conveniently compare, thus detect neatly comprehensively
Storehouse air quality.
As it is shown in figure 1, be provided with rotating fan 4, rotating fan 4 in diffusion type detector unit 1
Effect be to strengthen air diffusion effect, it is simple to detection.Additionally, by rotating fan 4
Operating in good air ambient, reaches self-cleaning effect.In order to reach preferable effect,
To use different environment, as preferably, speed adjustable fan taked by rotating fan 4.This fan
DC brushless motor (fan) used, uses PWM (pulse width modulation) mode to realize
Speed governing and L298N (the special drive integrated circult of motor) control rotating.Use rotating
The advantage of speed-regulating fan: in diffusion detector unit, designs, rotating to clean detection cabin
Speed-regulating fan passes through microprocessor (MCU) programming Control, by rotating forward, inverting and different
Rotating speed, can realize the effect of optimum cleaning.When detection starts, can promote that air spreads,
Shorten the diffusion detection time;Anemometer when this fan quits work, in diffusion detector unit
Diffusion wind speed (turbulent flow wind speed) can be measured.
As in figure 2 it is shown, control valve 63 set between three sampling channels 61 and sense channel 62
It is electromagnetic valve, can facilitate by the way of the signal of telecommunication, control its break-make.One of them sampling is logical
Road 61 connects with sense channel 62, just can detect the air quality on this road.Sampling channel 61
Quantity can more than three, the quantity detecting position as required is set.
Shown in Fig. 1, in order to detect the wind speed of overall situation, the air inlet in diffusion type detector unit 1
Mouth 11 sets hot-wire array sensor 14 nearby, in order to detect in entrance pump suction type detector unit 2
Air quality, as in figure 2 it is shown, set gas matter at the sense channel 62 of pump suction type detector unit 2
Amount flow transducer 8.These two kinds of sensors are all common sensors, and concrete model is asked for an interview hereafter.
In order to realize automatically controlling, the air quality detector of the present embodiment also includes microcontroller,
As it is shown on figure 3, the air mass sensor mould 3 in diffusion type detector unit 1 and rotating fan 4
And the air mass sensor mould 3 of pumping detector unit 2, electromagnetic valve 63 and micro air pump 5 by
Microprocessor controls.The air quality detector of this enforcement includes the communication being connected with microcontroller
Module, communication module and computer networking are with remotely detection.Utilize communication module therein permissible
Remote observation can be carried out with networking.Networking by communication module Yu computer, it is possible to achieve
Detect while multiple air quality detectors, compare.
Certainly, in order to realize data storage and display, as it is shown on figure 3, the air matter of the present embodiment
Amount detector, also includes data memory module and display unit.Data memory module can be direct
Storage, with in the machine, is also transmitted to connected computer in the way of by USB, aobvious
Show that unit is lcd screen, the data of current sensor and each workpiece can be shown
Working condition.
Certainly, being taken as electronically controlled equipment, the air quality detector of the present embodiment is also
Including power module, this power module includes lithium battery and charging module.Use lithium battery and fill
Electricity module is easy to portable use.Obviously, power module takes the mode of civil power+power transfer module
Can also realize, the most convenient.
Below in conjunction with accompanying drawing, the work process of the air quality detector of the present embodiment is described, presses
According to the 26S Proteasome Structure and Function of moment sensor class detecting instrument, can direct-reading detection data and store and with
Computer communication.
First pass through power module, can directly use civil power (220V) through Switching Power Supply or
USB interface is to lithium cell charging or power supply, and to realize portable function, time portable, lithium battery is available for
Electricity.
Diffusion detector unit, pumping detector unit is controlled by microcontroller (MCU), will inspection
Survey data to show in real time at display unit (LCD or TFT can be used), facilitate shower directly to read
Take detection data;Additionally detection data can be stored in data memory module (such as SD card), or
Can be connected with computer by communication module, communication module can take wired forms (USB form,
RS485 bus form, CAN form) or wireless network forms (such as Zigbee form),
Multiple stage air quality detector can be monitored in networking, meets analytical data requirement.Detection data are permissible
By LCD direct-reading, it is also possible to be stored in SD card, or use computer to be read by USB interface.
Microcontroller (MCU) can control diffusion detector unit 1 by programming mode, pumping detects
Air mass sensor module 3, rotating fan 4, micro air pump 5 and sampling in unit 2 are logical
Electromagnetic valve on road switch 6.
The two-part work process of this air quality detector described further below: about diffusion inspection
Survey the work of unit 1: first microprocessor controls rotating fan 4 works, enter fast mode,
Carry out automated cleaning, by the high-speed cruising of rotating fan 4, in making diffusion detector unit 1
Gas interacts with the external world, reaches self-cleaning effect (primarily to prevent diffusion detection
The accuracy of the former gases affect detection data deposited in unit 1).Then, rotating fan 4 is entered
Constant speed pattern, microcontroller starts air mass sensor module 3 and detects, and stores detection data.
The work process of pumping detector unit 2: first, microprocessor controls micro air pump 5 is by one
Determining pumping speed and draw air into pumping detector unit 2, microcontroller controls sampling channel switching simultaneously
The electromagnetic valve break-make of device 6 is to realize the sequence detection between different sampling channel, and microcontroller starts sky
Makings quantity sensor module 3 detects each channel air, and stores detection data, is designed by time delay
Sampling can be met and clean the requirement of detector unit.Time delay designs, i.e. air mass sensor
Module 3 start the time than micro air pump 5 the startup time a little later, so can reduce original gas
Impact, make detection data more accurate, the length of concrete time delay, carry out according to practical situation
Select.Such as when being provided with the sampling flexible pipe of 2m in sampling channel front end, can be miniature
Air pump 5 works after time delay 3min, restarts air mass sensor module 3 and detects.Sampling
Hose length can be more than 2m, but the sampling too long of sampling efficiency of flexible pipe reduces, poor effect.
The present embodiment realizes control by microcontroller, concrete microcontroller can use based onCortexTM-M4 is kernel family chip, such as STM32F407, STM32F429 etc., mesh
The optional type of front MCU is a lot, is based only uponCortexTMJust having of-M4 kernel is a lot, and
Can also use other types single-chip microcomputer (8051, AVR, MSP430 etc.) orIn other
Nuclear core sheet coordinates other block combiner to realize.
The break-make of the control valve of sampling channel switch 6 can take the mode of manual switching, it is clear that
Manual switching is inefficient.Certainly, control by the way of microprocessor controls electromagnetic valve,
The most convenient, efficient.
The purpose arranging sampling channel switch 6 is to sample flexible pipe with to difference by connection
Position or different devices inside detect, by switching channel, can realize detecting not
With the air quality at position, improve detection efficiency.
The air mass sensor module 3 that the present embodiment is used, covers and is applicable to storehouse air
In the sensor of common contaminant, such as SO2、NOx、O3, particulate matter, formaldehyde, VOCs
(Volatile Organic Compounds is called for short VOCs, VOC) etc. are many
Individual sensor integrated, it is also possible to integrated include that temperature sensor, humidity sensor, wind speed pass
The underlying parameter sensors such as sensor.The sensor of the present embodiment, (ratio under a fixed working voltage
Such as 5V) detected signal value of each pollutant and underlying parameter can be exported respectively, pass through the signal of telecommunication
Display parameter value, this is the ultimate principle of electric transducer, does not repeats them here.
As example, following table is the concrete model of the sensor that the present embodiment is used and can replace
The list of die number:
Rotating speed-regulating fan in the present embodiment can replace with simple fan, it is clear that effect meeting
Reduce.
The air quality detector of the present embodiment can be widely applied in the indoor environments such as storage area
Carry out Detection of Air Quality, when being not limited to this applied environment, every need to detect macro ring simultaneously
When the air quality of border and subregion microenvironment, all can use, its range of application bag
Include but be not limited to the Detection of Air Quality in library, museum even ordinary residence.Such as examine
When surveying the air pollution situation of certain furniture, the IAQ (indoor air quality) with its external world is needed to compare
Which could be distinguished pollute from environment, which pollutes from furniture itself.In a word, this area
Technical staff can this utility model be applied among varying environment, with realize detect simultaneously,
And switch easily and fast between difference detection region (position), place sampling
After flexible pipe, realize when not moving air quality detector automatically switching.
Certainly, the above is preferred implementation of the present utility model, it is noted that for
For those skilled in the art, on the premise of without departing from this utility model principle,
Can also make some improvements and modifications, these improvements and modifications are also considered as guarantor of the present utility model
Protect scope.
Claims (10)
1. an air quality detector, it is characterised in that include diffusion type detector unit and pump
Inhale detector unit, in described diffusion type detector unit and pumping detector unit, be equipped with air quality
Sensor assembly, wherein, described diffusion type detector unit two ends are provided with the air inlet for air turnover
Mouth and gas outlet, one end of described pumping detector unit is provided with sampling channel switch, the other end
It is provided with micro air pump.
Air quality detector the most according to claim 1, it is characterised in that described sky
Makings quantity sensor module, including temperature, humidity, SO2、NOx、O3, particulate matter, formaldehyde,
Any one in VOCs sensor or combination in any.
Air quality detector the most according to claim 2, it is characterised in that described expansion
It is provided with rotating fan in dissipating formula detector unit.
Air quality detector the most according to claim 3, it is characterised in that described in adopt
Sample censor key include multiple sampling channel being in communication with the outside and one lead to described diffusion type
Sense channel in detector unit, is provided with control valve between described sampling channel and sense channel,
Sampling flexible pipe is connected on sampling channel.
Air quality detector the most according to claim 4, it is characterised in that described control
Valve processed is electromagnetic valve.
Air quality detector the most according to claim 5, it is characterised in that also include
Microcontroller, the air mass sensor mould in described diffusion type detector unit and rotating fan
And air mass sensor mould, electromagnetic valve and the micro air pump of pumping detector unit is by described
Microprocessor controls.
Air quality detector the most according to claim 1, it is characterised in that also include
The communication module being connected with described microcontroller, described communication module and computer networking are with remotely
Detection.
Air quality detector the most according to claim 3, it is characterised in that described just
Reversion fan is speed adjustable fan
Air quality detector the most according to claim 1, it is characterised in that also include
Data memory module and display unit.
Air quality detector the most according to claim 1, it is characterised in that also wrap
Including power module, described power module includes lithium battery and Switching Power Supply.
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CN201620417293.8U CN205607971U (en) | 2016-05-10 | 2016-05-10 | Air quality detector |
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CN201620417293.8U CN205607971U (en) | 2016-05-10 | 2016-05-10 | Air quality detector |
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CN201620417293.8U Expired - Fee Related CN205607971U (en) | 2016-05-10 | 2016-05-10 | Air quality detector |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108107040A (en) * | 2017-12-15 | 2018-06-01 | 山东佳星环保科技有限公司 | A kind of room air detection device |
CN108872491A (en) * | 2018-07-27 | 2018-11-23 | 重庆工业职业技术学院 | One kind being suitable for indoor air quality detecting device |
CN108921760A (en) * | 2018-08-20 | 2018-11-30 | 泛测(北京)环境科技有限公司 | A method of generating air quality analysis report |
CN110672793A (en) * | 2019-10-10 | 2020-01-10 | 深圳市华图测控系统有限公司 | Multi-parameter microenvironment air quality monitoring device capable of achieving rapid and accurate detection |
CN111521224A (en) * | 2020-06-18 | 2020-08-11 | 佛山市启振环保科技有限公司 | Intelligent air quality monitor and application system thereof |
CN113671121A (en) * | 2021-08-02 | 2021-11-19 | 德尔格安全设备(中国)有限公司 | Gas detection device |
CN113819521A (en) * | 2021-09-13 | 2021-12-21 | 青岛海尔空调器有限总公司 | Air conditioner and control method thereof |
CN113819525A (en) * | 2021-09-13 | 2021-12-21 | 青岛海尔空调器有限总公司 | Air conditioner and control method thereof |
CN115155362A (en) * | 2022-07-29 | 2022-10-11 | 西安热工研究院有限公司 | Dynamic large-range mixing system suitable for rectangular section channel |
-
2016
- 2016-05-10 CN CN201620417293.8U patent/CN205607971U/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108107040A (en) * | 2017-12-15 | 2018-06-01 | 山东佳星环保科技有限公司 | A kind of room air detection device |
CN108872491A (en) * | 2018-07-27 | 2018-11-23 | 重庆工业职业技术学院 | One kind being suitable for indoor air quality detecting device |
CN108921760A (en) * | 2018-08-20 | 2018-11-30 | 泛测(北京)环境科技有限公司 | A method of generating air quality analysis report |
CN110672793A (en) * | 2019-10-10 | 2020-01-10 | 深圳市华图测控系统有限公司 | Multi-parameter microenvironment air quality monitoring device capable of achieving rapid and accurate detection |
CN111521224A (en) * | 2020-06-18 | 2020-08-11 | 佛山市启振环保科技有限公司 | Intelligent air quality monitor and application system thereof |
CN111521224B (en) * | 2020-06-18 | 2021-12-10 | 佛山市托利环境科技有限公司 | Intelligent air quality monitor and application system thereof |
CN113671121A (en) * | 2021-08-02 | 2021-11-19 | 德尔格安全设备(中国)有限公司 | Gas detection device |
CN113819521A (en) * | 2021-09-13 | 2021-12-21 | 青岛海尔空调器有限总公司 | Air conditioner and control method thereof |
CN113819525A (en) * | 2021-09-13 | 2021-12-21 | 青岛海尔空调器有限总公司 | Air conditioner and control method thereof |
CN115155362A (en) * | 2022-07-29 | 2022-10-11 | 西安热工研究院有限公司 | Dynamic large-range mixing system suitable for rectangular section channel |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160928 Termination date: 20180510 |