CN106596871A - Method and device for detecting performance reliability of air quality monitor - Google Patents
Method and device for detecting performance reliability of air quality monitor Download PDFInfo
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- CN106596871A CN106596871A CN201710121115.XA CN201710121115A CN106596871A CN 106596871 A CN106596871 A CN 106596871A CN 201710121115 A CN201710121115 A CN 201710121115A CN 106596871 A CN106596871 A CN 106596871A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
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Abstract
The invention discloses a device for detecting the performance reliability of an air quality monitor. The device comprises a PM2.5 gas storage device, a formaldehyde gas storage device, a TVOC gas storage device, a combined valve and a sealed static chamber, wherein the PM2.5 gas storage device, the formaldehyde gas storage device and the TVOC gas storage device are communicated with the static chamber through a guide pipe provided with the combined valve; a switch valve is arranged between the PM2.5 gas storage device and the combined valve, a switch valve is arranged between the formaldehyde gas storage device and the combined valve, and a switch valve is arranged between the TVOC gas storage device and the combined valve; an object placing table is arranged in the static chamber, an air quality detecting device is placed on the object placing table, and the part, above the air quality detecting device, of the static chamber is provided with an observation window. By the device and method for detecting the performance reliability of the air quality monitor, the reliability of air quality parameters output by household appliances can be detected.
Description
Technical field
The present invention relates to the detection means and method of a kind of air quality monitor performance reliability, belong to household electrical appliance inspection
Test, detection field.
Background technology
With the continuous deterioration of environment, air quality problems increasingly cause the attention of people, such as indoor air-conditioning, sky
Gas purifier etc. all plays the role of to improve air quality.Meanwhile, all have on many household electrical appliance show air quality at present
Function, user can be turned on or off the air-cleaning function of equipment according to the air quality parameters shown on household electrical appliances.But
It is, the often micron-sized fine particle due to affecting air quality, it is impossible to intuitively detect whether its display parameters is accurate.
The content of the invention
It is an object of the present invention to provide a kind of detection means of air quality monitor performance reliability, can detect
Household electrical appliance show the reliability of air quality, meanwhile, the invention also discloses the using method of the equipment.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of detection means of air quality monitor performance reliability, including PM2.5 gas storage devices, formaldehyde gas
The static chamber of storage device, TVOC gas storage devices, combinaing valve body and sealing, PM2.5 gas storage devices, formaldehyde gas are deposited
Storage device is connected by conduit with TVOC gas storage devices with static chamber, and the conduit is provided with combinaing valve body；PM2.5 gas
Switch valve is provided between body storage device and combinaing valve body, between formaldehyde gas storage device and combinaing valve body switch valve is provided with,
Switch valve is provided between TVOC gas storage devices and combinaing valve body；Articles holding table is provided with static chamber, places free on articles holding table
Makings amount detecting device, the static chamber above air quality detecting device is provided with observation window.The researcher of indoor air quality
Generally their all indoor organic gas materials of sampling analysis are called TVOC, it is Volatile Organic
The abbreviation of tri- word first letters of Compound, various measured VOC are generically and collectively referred to as total volatile organism TVOC, TVOC
Being three kinds affects to affect more serious one kind in indoor air quality pollution.Specifically, the air quality detecting device bag
Include PM2.5 detection means, Formaldehyde device and TVOC detection means.
In a kind of detection means of aforesaid air quality monitor performance reliability, also sense including the first air quality
Device, the second air mass sensor and Air Quality Analysis device, the first air mass sensor is located at the top in static chamber,
Second air mass sensor is located at the bottom in static chamber, and the first air mass sensor and the second air mass sensor are equal
It is connected with Air Quality Analysis device, Air Quality Analysis device is arranged in static chamber, and Air Quality Analysis device is provided with aobvious
Display screen.If the information that the first air mass sensor and the second air mass sensor are collected is identical, illustrate in sealed compartment
Gas by evenly mixing, the basis of the contrasting detection for having reached.It is sufficiently mixed to accelerate various gases in sealed compartment, it is quiet
Blower fan is additionally provided with state case.
A kind of detection method of air quality monitor performance reliability, using above-described air quality monitor
The detection means of energy reliability, is able to verify that whether accurately household electrical appliance show air quality parameters, including under by the method
State step：
S100：To treat that rheoscope is placed on articles holding table；
S200：PM2.5 gases and/or formaldehyde gas and/or the combined valve body of TVOC gases are led by controlling switch valve
Enter static chamber；
S300：Combinaing valve body is closed, after gas diffusion in static chamber is uniform electrical equipment to be checked and Detection of Air Quality are connected
Device；
S400：The reading of rheoscope and air quality detecting device is treated in contrast；
S500：Calculated on the basis of the reading of air quality detecting device treat the error of indication of rheoscope, data reappearance,
The impact of voltage stability, variation of ambient temperature.
Specifically, step S500 also includes following methods：
Every 5 minutes record primary air quality detection devices and the reading for treating rheoscope, record six times respectively, take air
Six reading mean values of quality detection device are denoted as：A；Take six reading mean values of household electrical appliances to be checked to be denoted as：The error of indication：The deviation percent for treating that rheoscope shows result can be clearly calculated by this formula.
In the detection method of aforesaid air quality monitor performance reliability, step S500 also includes following sides
Method：The data reappearance of 6 readings is calculated by following formula：
Wherein, δvRepresent precision；AiRepresent single measurements；6 measurement mean values are represented, can by this formula
Clearly calculate the relative standard deviation for treating rheoscope.
In the detection method of aforesaid air quality monitor performance reliability, step S500 also includes following sides
Method：After rheoscope start it is pre- it is thermally-stabilised after, record treat rheoscope PM2.5Reading W；It is higher than original initial to adjust electrical voltage to be checked
Magnitude of voltage+10%, after stablizing electrical equipment PM to be checked is recorded2.5Reading X；Then, it is less than original initial voltage to adjust electrical voltage to be checked
Value -10%, after stablizing electrical equipment PM to be checked is recorded2.5Reading Y, the according to the following formula voltage stability：V=(X-W) ÷ R
× 100% or (Y-W) ÷ R × 100%, rheoscope delivery air quality is treated in the change that can calculate voltage by this formula
As a result what kind of is produced affects.
In the detection method of aforesaid air quality monitor performance reliability, step S500 also includes following sides
Method：
Static the temperature inside the box is adjusted to 25 ± 1 DEG C, stable at least 30 minutes, record PM2.5, formaldehyde and the parameters of TVOC tri-
Reading M0；
Static the temperature inside the box is adjusted to 35 ± 1 DEG C, stable at least 30min records PM2.5 reading M1；
Static the temperature inside the box is adjusted to 25 ± 1 DEG C, stable at least 30min records PM2.5 reading M2；
Static the temperature inside the box is adjusted to 15 ± 1 DEG C, stable at least 30min records PM2.5 reading M3；
Static the temperature inside the box is adjusted to 25 ± 1 DEG C, stable at least 30min records PM2.5 reading M4；
The impact of the variation of ambient temperature is calculated by following formula：
OrThe implication of this formula is exactly 15 degree relative 25 degree of changes, and 35
The relative 25 degree change of degree, that is, the comparison of two marginal points and intermediate point.
Compared with prior art, the invention provides a kind of detection means of air quality monitor performance reliability and side
Method, by this device and method the reliability of household electrical appliance delivery air mass parameter can be detected.And can be from indicating value
Error, data reappearance, voltage stability, variation of ambient temperature impact many aspects to household electrical appliance show air quality this
Individual function is analyzed.
Description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the present invention.
Reference：1-PM2.5 gas storage devices, 2- formaldehyde gas storage devices, 3-TVOC gas storage devices, 4-
Switch valve, 5- combinaing valve bodies, the air mass sensors of 6- first, 7- display screens, 8- observation windows, 9- Air Quality Analysis devices,
10- treats rheoscope, and 11- air quality detecting devices, the air mass sensors of 12- second, 13- blower fans, 14- static chambers, 15- puts
Thing platform.
With reference to the accompanying drawings and detailed description the present invention is further illustrated.
Specific embodiment
Embodiments of the invention 1：As shown in figure 1, a kind of detection means of air quality monitor performance reliability, including
The static state of PM2.5 gas storage devices 1, formaldehyde gas storage device 2, TVOC gas storage devices 3, combinaing valve body 5 and sealing
Case 14, PM2.5 gas storage devices 1, formaldehyde gas storage device 2 and TVOC gas storage devices 3 are by conduit and static state
Case 14 is connected.The researcher of indoor air quality generally calls their all indoor organic gas materials of sampling analysis
TVOC, it is the abbreviation of Volatile Organic tri- word first letters of Compound, and various measured VOC are total
Referred to as total volatile organism TVOC, TVOC are three kinds to be affected to affect more serious one kind in indoor air quality pollution.Institute
State conduit and be provided with combinaing valve body 5；Switch valve 4 is provided between PM2.5 gas storage devices 1 and combinaing valve body 5, formaldehyde gas is deposited
Switch valve 4 is provided between storage device 2 and combinaing valve body 5, between TVOC gas storage devices 3 and combinaing valve body 5 switch valve is provided with
4；Articles holding table 15 is provided with static chamber 14, air quality detecting device 11, air quality detecting device are placed with articles holding table 15
The static chamber 14 of 11 tops is provided with observation window 8.Specifically, the air quality detecting device 11 includes PM2.5 detection means, first
Aldehyde monitoring device and TVOC detection means.In order to accelerate to be additionally provided with wind in the speed of gas mixing in static chamber 14, static chamber 14
Machine 13.
Also include the first air mass sensor 6, the second air mass sensor 12 and Air Quality Analysis device 9, the
One air mass sensor 6 is located at the top in static chamber 14, under the second air mass sensor 12 is located in static chamber 14
Portion, the first air mass sensor 6 is connected with the second air mass sensor 12 with Air Quality Analysis device 9, air matter
Amount analytical equipment 9 is arranged in static chamber 14, and Air Quality Analysis device 9 is provided with display screen 7.If the first air quality is sensed
The information that device and the second air mass sensor are collected is identical, illustrates that gas by evenly mixing, has reached in sealed compartment
Contrasting detection basis.
When whether the parameter shown after checking Electrical Testing air quality to be checked is accurate, using following methods：It is a kind of empty
The detection method of gas quality monitor performance reliability, using the air quality monitor performance reliability described in embodiment 1
Detection means, it is characterised in that comprise the steps：
S100：To treat that rheoscope 10 is placed on articles holding table 15；
S200：By controlling switch valve 4 by PM2.5 gases and/or formaldehyde gas and/or the combined valve body 5 of TVOC gases
Import static chamber 14；Background clean-up performance is：TVOC 0.6mg/m3, formaldehyde 0.1mg/m3, the solid particulate matter grain of more than 0.3um
Subnumber, 1000/L, gas cleaning realizes that solid cleaning is realized by " HEPA screen packs " by " activated charcoal strainer ".
S300：Combinaing valve body 5 is closed, after gas diffusion in static chamber 14 is uniform electrical equipment to be checked 10 and air quality are connected
Detection means 11；
S400：The reading of rheoscope 10 and air quality detecting device 11 is treated in contrast；
S500：The error of indication, the data weight for treating rheoscope 10 is calculated on the basis of the reading of air quality detecting device 11
Existing property, voltage stability, the impact of variation of ambient temperature.
The computational methods of the error of indication include following methods：
Every 5 minutes record primary air quality detection devices 11 and the reading for treating rheoscope 10, record six times respectively, take
11 6 reading mean values of air quality detecting device are denoted as：A；Take six reading mean values of household electrical appliances to be checked to be denoted as：Indicating value is missed
Difference：
The computational methods of data reappearance include following methods：The data reappearance of 6 readings is calculated by following formula：
Wherein, δvRepresent precision；AiRepresent single measurements；Represent 6 measurement mean values.
The computational methods of voltage stability include following methods：After rheoscope 10 start shooting it is pre- it is thermally-stabilised after, record electricity to be checked
Device 10PM2.5Reading W；Regulation treats that the voltage of rheoscope 10 is, higher than original initial magnitude of voltage+10%, after stablizing electrical equipment to be checked to be recorded
10PM2.5Reading X；Then, adjust and treat that the voltage of rheoscope 10 is, less than original initial magnitude of voltage -10%, after stablizing electricity to be checked to be recorded
Device 10PM2.5Reading Y, the according to the following formula voltage stability：V=X-W ÷ R × 100% or Y-W ÷ R × 100%.
The computational methods of the impact of variation of ambient temperature also include following methods：
Stable at least 30 minutes by temperature adjustment in static chamber 14 to 25 ± 1 DEG C, record PM2.5, formaldehyde and TVOC tri- join
Several reading M0；
By temperature adjustment in static chamber 14 to 35 ± 1 DEG C, stable at least 30min records PM2.5 reading M1；
By temperature adjustment in static chamber 14 to 25 ± 1 DEG C, stable at least 30min records PM2.5 reading M2；
By temperature adjustment in static chamber 14 to 15 ± 1 DEG C, stable at least 30min records PM2.5 reading M3；
By temperature adjustment in static chamber 14 to 25 ± 1 DEG C, stable at least 30min records PM2.5 reading M4；
The impact of the variation of ambient temperature is calculated by following formula：
Or
Wherein, step S100～S500 is operated in environment temperature is for 5 DEG C～35 DEG C, and the precision of environment temperature will
Control is within ± 1 DEG C；Whole detection method requires control surrounding air relative humidity 10%～85%, and the precision of humidity will be controlled
System is within ± 5%.
Claims (9)
1. a kind of detection means of air quality monitor performance reliability, it is characterised in that including PM2.5 gas storage devices
(1), the static chamber (14) of formaldehyde gas storage device (2), TVOC gas storage devices (3), combinaing valve body (5) and sealing,
PM2.5 gas storage devices (1), formaldehyde gas storage device (2) and TVOC gas storage devices (3) are by conduit and static state
Case (14) is connected, and the conduit is provided with combinaing valve body (5)；Set between PM2.5 gas storage devices (1) and combinaing valve body (5)
There is switch valve (4), switch valve (4), TVOC gases storage dress are provided between formaldehyde gas storage device (2) and combinaing valve body (5)
Put and be provided between (3) and combinaing valve body (5) switch valve (4)；Articles holding table (15) is provided with static chamber (14), articles holding table is put on (15)
Air quality detecting device (11) is equipped with, the static chamber (14) above air quality detecting device (11) is provided with observation window (8).
2. a kind of detection means of air quality monitor performance reliability according to claim 1, it is characterised in that institute
Air quality detecting device (11) is stated including PM2.5 detection means, Formaldehyde device and TVOC detection means.
3. the detection means of a kind of air quality monitor performance reliability according to claim 2, it is characterised in that also
Including the first air mass sensor (6), the second air mass sensor (12) and Air Quality Analysis device (9), first is empty
Top of the makings quantity sensor (6) in static chamber (14), the second air mass sensor (12) is in static chamber (14)
Bottom, the first air mass sensor (6) and the second air mass sensor (12) are and Air Quality Analysis device (9) phase
Even, in static chamber (14), Air Quality Analysis device (9) is provided with display screen (7) to Air Quality Analysis device (9).
4. the detection means of a kind of air quality monitor performance reliability according to claim 3, it is characterised in that quiet
Blower fan (13) is additionally provided with state case (14).
5. a kind of detection method of air quality monitor performance reliability, it is characterised in that using the sky described in claim 4
The detection means of gas quality monitor performance reliability, it is characterised in that comprise the steps：
S100：To treat that rheoscope (10) is placed on articles holding table (15)；
S200：By controlling switch valve (4) by PM2.5 gases and/or formaldehyde gas and/or the combined valve body of TVOC gases (5)
Import static chamber (14)；
S300：Combinaing valve body (5) is closed, uniformly electrical equipment to be checked (10) and air matter are connected afterwards after the interior gas diffusion of static chamber (14)
Amount detecting device (11)；
S400：The reading of rheoscope (10) and air quality detecting device (11) is treated in contrast；
S500：The error of indication, the data weight for treating rheoscope (10) is calculated on the basis of the reading of air quality detecting device (11)
Existing property, voltage stability, the impact of variation of ambient temperature.
6. the detection method of air quality monitor performance reliability according to claim 5, it is characterised in that the step
Rapid S500 also includes following methods：
Primary air quality detection device (11) was recorded every 5 minutes and treat the reading of rheoscope (10), recorded six times respectively, take
(11) six reading mean values of air quality detecting device are denoted as：A；Take six reading mean values of household electrical appliances to be checked to be denoted as：Indicating value
Error：
7. the detection method of air quality monitor performance reliability according to claim 6, it is characterised in that the step
Rapid S500 also includes following methods：The data reappearance of 6 readings is calculated by following formula：
Wherein, δvRepresent precision；AiRepresent single measurements；Represent 6 measurement mean values.
8. the detection method of air quality monitor performance reliability according to claim 7, it is characterised in that the step
Rapid S500 also includes following methods：After rheoscope (10) start it is pre- it is thermally-stabilised after, record treat rheoscope (10) PM2.5Reading W；Adjust
Section treats that rheoscope (10) voltage is, higher than original initial magnitude of voltage+10%, after stablizing electrical equipment to be checked (10) PM to be recorded2.5Reading X；So
Afterwards, adjust and treat that rheoscope (10) voltage is, less than original initial magnitude of voltage -10%, after stablizing electrical equipment to be checked (10) PM to be recorded2.5Read
Y is counted, according to the following formula the voltage stability：V=(X-W) ÷ R × 100% or (Y-W) ÷ R × 100%.
9. the detection method of air quality monitor performance reliability according to claim 8, it is characterised in that the step
Rapid S500 also includes following methods：
It is stable at least 30 minutes by the interior temperature adjustment of static chamber (14) to 25 ± 1 DEG C, record PM2.5, formaldehyde and the parameters of TVOC tri-
Reading M0；
By the interior temperature adjustment of static chamber (14) to 35 ± 1 DEG C, stable at least 30min records PM2.5 reading M1；
By the interior temperature adjustment of static chamber (14) to 25 ± 1 DEG C, stable at least 30min records PM2.5 reading M2；
By the interior temperature adjustment of static chamber (14) to 15 ± 1 DEG C, stable at least 30min records PM2.5 reading M3；
By the interior temperature adjustment of static chamber (14) to 25 ± 1 DEG C, stable at least 30min records PM2.5 reading M4；
The impact of the variation of ambient temperature is calculated by following formula：
Or
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| CN108414410A (en) * | 2018-01-15 | 2018-08-17 | 松下知识产权经营株式会社 | Method for testing performance, system and its control method, control device and storage medium |
| CN111781310A (en) * | 2020-07-21 | 2020-10-16 | 清华大学合肥公共安全研究院 | Environment adaptability detection system for gas concentration monitoring equipment |
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