CN206515319U - A kind of detection means for the volatile matter that household electrical appliance are produced - Google Patents
A kind of detection means for the volatile matter that household electrical appliance are produced Download PDFInfo
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- CN206515319U CN206515319U CN201720199773.6U CN201720199773U CN206515319U CN 206515319 U CN206515319 U CN 206515319U CN 201720199773 U CN201720199773 U CN 201720199773U CN 206515319 U CN206515319 U CN 206515319U
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Abstract
A kind of detection means of the volatile matter produced the utility model discloses household electrical appliance, including：Volume is 10 cubic metres of sealed compartment, and sealed compartment is provided with cabin air inlet and observation window, and sealed compartment is additionally provided with exhaust outlet；Sealed compartment is additionally provided with the first thief hatch, the second thief hatch and the 3rd thief hatch, the first thief hatch connection temperature-detecting device, the second thief hatch connection humidity detector, the 3rd thief hatch connection TVOC concentration detection apparatus；Blower fan is provided with sealed compartment, two smoke collectings mouthful are equipped with sealed compartment on two relative bulkheads, the top that two smoke collectings mouthful one of same bulkhead are located at bulkhead, another is located at the bottom of bulkhead, and smoke collecting mouthful is communicated with TVOC concentration detection apparatus；Exhaust outlet, the first thief hatch, the second thief hatch, the 3rd thief hatch and smoke collecting mouthful are equipped with gate valve.The utility model provides a kind of detection means for the volatile matter that household electrical appliance are produced, by operating the present apparatus to be capable of detecting when the concentration for the volatile matter that household electrical appliance are produced.
Description
Technical field
The utility model is related to a kind of detection means for the volatile matter that household electrical appliance are produced, and belongs to household electrical appliance and examines, examines
Survey 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.But, while also many household electrical appliance can all produce TVOC.It is indoor
Their all indoor organic gas materials of sampling analysis are generally called TVOC by the researcher of air quality, and it is
The abbreviation of Volatile Organic tri- word first letters of Compound, various measured VOC are generically and collectively referred to as total volatilization
Property organic matter TVOC (Total Volatile Organic Compounds).The reason for household electrical appliance produce TVOC mainly has two
It is individual：1st, household electrical appliance own material can volatilize TVOC, the household electrical appliance that can especially generate heat, and the volatile matter that it is produced is more
It is many；2nd, household electrical appliance can produce TVOC in the process of running, e.g., air-conditioning, air purifier, and the principle that it purifies air is most of
All it is that air is filtered by filter screen, the impurity being mingled with air is separated, so, screen pack plays impurity separation
Effect, also result in and have substantial amounts of impurity and be attached on screen pack, cause it to produce TVOC in the process of running.But mesh
The device for the TVOC that preceding not detection household electrical appliance are produced, causes consumer can not be from TVOC this angle is produced to household electric
Device produces cognitive.
Utility model content
The purpose of this utility model is a kind of detection means of the volatile matter produced there is provided household electrical appliance, passes through operation
The present apparatus is capable of detecting when the concentration for the TVOC that household electrical appliance are produced, and enables the customer to from TVOC this angle is produced to family expenses
Electrical equipment produces cognitive.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：
A kind of detection means for the volatile matter that household electrical appliance are produced, including：Volume is 10 cubic metres of sealed compartment, sealed compartment
Provided with cabin air inlet and observation window, sealed compartment is additionally provided with exhaust outlet；Sealed compartment is additionally provided with the first thief hatch, the second thief hatch and
Three thief hatch, the first thief hatch connection temperature-detecting device, the second thief hatch connection humidity detector, the connection of the 3rd thief hatch
TVOC concentration detection apparatus；It is provided with sealed compartment on two bulkheads relative in blower fan, sealed compartment and is equipped with two smoke collectings
Mouthful, the top positioned at bulkhead of two smoke collectings mouthful of same bulkhead, another is located at the bottom of bulkhead, smoke collecting mouthful
It is communicated with TVOC concentration detection apparatus；Exhaust outlet, the first thief hatch, the second thief hatch, the 3rd thief hatch and smoke collecting mouthful
It is equipped with gate valve.
In the detection means for the volatile matter that a kind of foregoing household electrical appliance are produced, dividing plate, the two of dividing plate are provided with sealed compartment
The end relative both sides of connection sealed compartment, the top of dividing plate connects the top of sealed compartment, the bottom of dividing plate and the bottom of sealed compartment away from
From less than or equal to 30 centimetres, the exhaust outlet is located at sealed compartment on the bulkhead of dividing plate.The volatilization that household electrical appliance are produced
The general temperature of thing is all higher, the top in sealed compartment, by set dividing plate can it is more uniform by volatile matter from sealing
Discharged in cabin.
In the detection means for the volatile matter that a kind of foregoing household electrical appliance are produced, in order that household electrical appliance can be located at sealing
Backing plate is additionally provided with the center in cabin, sealed compartment, the thickness of backing plate is 70 centimetres, will be to be checked when rheoscope is highly relatively low
Electrical equipment is placed on backing plate, in order to which volatile matter more can be evenly distributed in sealed compartment.
A kind of detection method for the volatile matter that household electrical appliance are produced, the volatile matter produced using above-described household electrical appliance
Detection means, comprise the following steps：
S100：It will treat that rheoscope is placed on the center of sealed compartment by cabin air inlet, close cabin air inlet；
S200：The gate valve at exhaust outlet, the first thief hatch, the second thief hatch, the 3rd thief hatch and smoke collecting mouth is opened,
By applying negative pressure to exhaust outlet, gas is discharged from exhaust outlet, until in sealed compartment particle diameter be 0.3 micron with
On solid particulate matter concentration be less than 1000/liter, and TVOC concentration be less than 0.6mg/m3；
S300：The gate valve closed at exhaust outlet, the first thief hatch, the second thief hatch and smoke collecting mouth, is adopted by the 3rd
Sample mouthful sampling, and TVOC concentration in sealed compartment is detected, it is denoted as Co；
S400：Blower fan is opened, the gate valve that the 3rd thief hatch goes out is closed, will treat that rheoscope is opened small to peak power operation 24
When, rheoscope is treated in closing；
S500：The 3rd thief hatch is opened, TVOC concentration in sealed compartment is detected by TVOC concentration detection apparatus, C is denoted ast；
S600：The concentration for treating the volatile matter that rheoscope is produced is calculated, the volatile concentrations are equal to CtAnd CoDifference.
Specifically, the step S300 also includes following methods：Every TVOC concentration in ten minutes collection once sealing cabins,
The average value of three times is taken to be denoted as Co。
The step S500 also includes following methods：Every TVOC concentration in ten minutes collection once sealing cabins, take three times
Average value be denoted as Ct。
As one of which preferably embodiment, the step S500 also includes following methods：Pass through smoke collecting mouthful
The gas of four diverse locations in sealed compartment is gathered, detection respectively collects the TVOC concentration of gas, waits TVOC at four positions
Both differences of concentration any combination are less than 0.6mg/m3, the 3rd thief hatch is then opened, is detected by TVOC concentration detection apparatus
TVOC concentration in sealed compartment, is denoted as Ct.The main function of this step is to prevent volatile matter not to be diffused in sealed compartment uniformly,
Cause prohibited data detection really, error is excessive.
As one of which embodiment, also include following methods in the step S100：If treating rheoscope height
Less than 70 centimetres, it will treat that rheoscope is placed on backing plate.
Compared with prior art, the utility model provides a kind of detection means for the volatile matter that household electrical appliance are produced, and passes through
The operation present apparatus is capable of detecting when the concentration for the TVOC that household electrical appliance are produced, and enables the customer to from this angle pair of generation TVCO
Household electrical appliance produce cognitive.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the present utility model；
Fig. 2 is the structural representation at another visual angles of Fig. 1.
Reference：The thief hatch of 1- first, the thief hatch of 2- second, the thief hatch of 3- the 3rd, 4- sealed compartments, 5- blower fans, 6- cigarettes
Gas acquisition port, 7- dividing plates, 8- observation windows, 9- cabin air inlets, 10- exhaust outlets.
The utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment
Embodiment 1 of the present utility model：As depicted in figs. 1 and 2, the detection dress for the volatile matter that a kind of household electrical appliance are produced
Put, including：Volume is 10 cubic metres of sealed compartment 4, and sealed compartment 4 is provided with cabin air inlet 9 and observation window 8, the row of being additionally provided with of sealed compartment 4
Gas port 10；Sealed compartment 4 is additionally provided with the first thief hatch 1, the second thief hatch 2 and the 3rd thief hatch 3, the first thief hatch 1 connection temperature
Detection means, the second thief hatch 2 connection humidity detector, the 3rd thief hatch 3 connection TVOC concentration detection apparatus；Sealed compartment 4
Interior be provided with two bulkheads relative in blower fan 5, sealed compartment 4 is equipped with two smoke collectings mouthful 6, two flue gases of same bulkhead
The top that acquisition port 6 one is located at bulkhead, another is located at the bottom of bulkhead, and smoke collecting mouthful 6 is communicated with the inspection of TVOC concentration
Survey device；Exhaust outlet 10, the first thief hatch 1, the second thief hatch 2, the 3rd thief hatch 3 and smoke collecting mouth 6 are equipped with gate valve.
Embodiment 2：As depicted in figs. 1 and 2, the detection means for the volatile matter that a kind of household electrical appliance are produced, including：Volume is
10 cubic metres of sealed compartment 4, sealed compartment 4 is provided with cabin air inlet 9 and observation window 8, and sealed compartment 4 is additionally provided with exhaust outlet 10；Sealed compartment 4
The first thief hatch 1, the second thief hatch 2 and the 3rd thief hatch 3 are additionally provided with, the first thief hatch 1 connects temperature-detecting device, and second adopts
Sample mouthful 2 connects humidity detector, the 3rd thief hatch 3 connection TVOC concentration detection apparatus；Blower fan 5, sealing are provided with sealed compartment 4
Two smoke collectings mouthful 6 are equipped with cabin 4 on two relative bulkheads, two smoke collectings mouthful 6 one of same bulkhead are located at
The top of bulkhead, another is located at the bottom of bulkhead, and smoke collecting mouthful 6 is communicated with TVOC concentration detection apparatus；Exhaust outlet 10,
First thief hatch 1, the second thief hatch 2, the 3rd thief hatch 3 and smoke collecting mouth 6 are equipped with gate valve.
Dividing plate 7 is provided with sealed compartment 4, the two ends of dividing plate 7 connect the relative both sides of sealed compartment 4, and the top connection of dividing plate 7 is close
The top of batten down 4, the bottom of dividing plate 7 is less than or equal to 30 centimetres with the distance from bottom of sealed compartment 4, and the exhaust outlet 10 is located at
Sealed compartment 4 is on the bulkhead of dividing plate 7.Backing plate is additionally provided with sealed compartment 4, the thickness of backing plate is 70 centimetres.
The detection method for the volatile matter that a kind of household electrical appliance are produced, using waving that the household electrical appliance described in embodiment 2 are produced
The detection means of stimulating food, comprises the following steps：
S100：Electromagnetic oven is placed on to the center of sealed compartment 4 by cabin air inlet 9, in order that electromagnetic oven is positioned at close
The center of batten down 4, electromagnetic oven is placed on backing plate, closes cabin air inlet 9；
S200：Open at exhaust outlet 10, the first thief hatch 1, the second thief hatch 2, the 3rd thief hatch 3 and smoke collecting mouth 6
Gate valve, by exhaust outlet 10 apply negative pressure, gas in sealed compartment 4 is discharged from exhaust outlet 10, until sealed compartment 4 in grain
Footpath is equal to 800/liter for more than 0.3 micron of solid particulate matter concentration, and TVOC concentration is less than 0.6mg/m3；
S300：Exhaust outlet 10, the first thief hatch 1, the gate valve at the second thief hatch 2 and smoke collecting mouthfuls 6 are closed, by the
Three thief hatch 3 are sampled, and detect TVOC concentration in sealed compartment 4, every TVOC concentration, note in ten minutes collection once sealing cabins 4
Record to obtain 7.6mg/m3、7.5mg/m3、7.4mg/m3, take the average value of three times to be denoted as CoEqual to 7.5mg/m3；It is used as TVOC gas
The background clean-up performance of body will be：TVOC concentration is 0.6mg/m3Following gas, gas cleaning passes through " activated charcoal strainer "
Realize, solid cleaning is realized by " HEPA screen packs ".
S400：Blower fan 5 is opened, the gate valve that the 3rd thief hatch 3 goes out is closed, electromagnetic oven is opened small to peak power operation 24
When, close electromagnetic oven；
S500：The 3rd thief hatch 3 is opened, TVOC concentration in sealed compartment 4 is detected by TVOC concentration detection apparatus, is denoted as
Ct, the gas of four diverse locations in sealed compartment 4 is gathered by smoke collecting mouthful 6, detects that the TVOC for collecting gas is dense respectively
Degree, waits both differences of TVOC concentration any combination at four positions to be equal to 0.4mg/m3, the 3rd thief hatch 3 is then opened, is passed through
TVOC concentration in TVOC concentration detection apparatus detection sealed compartment 4, every TVOC concentration, note in ten minutes collection once sealing cabins 4
Record to obtain 11.0mg/m3、12.0mg/m3、13.0mg/m3, take the average value of three times to be denoted as Ct=12.0mg/m3；
S600：The concentration for the TVOC that electromagnetic oven is produced is calculated, the TVOC concentration is equal to CtAnd CoDifference be equal to 4.5mg/
m3, very intuitively numerical value has been obtained, has been easy to understand the parameters of household electrical appliance.Wherein, step S100~S600 is in environment
Temperature is is operated in 5 DEG C~35 DEG C, the precision of environment temperature will be controlled within ± 1 DEG C；Whole detection method requires control
Surrounding air relative humidity 10%~85% processed, the precision of humidity will be controlled within ± 5%.
Claims (3)
1. a kind of detection means for the volatile matter that household electrical appliance are produced, it is characterised in that including：Volume is 10 cubic metres of sealing
Cabin (4), sealed compartment (4) is provided with cabin air inlet (9) and observation window (8), and sealed compartment (4) is additionally provided with exhaust outlet (10)；Sealed compartment (4)
It is additionally provided with the first thief hatch (1), the second thief hatch (2) and the 3rd thief hatch (3), the first thief hatch (1) connection temperature detection dress
Put, the second thief hatch (2) connection humidity detector, the 3rd thief hatch (3) connection TVOC concentration detection apparatus；Sealed compartment (4)
Interior be provided with two bulkheads relative in blower fan (5), sealed compartment (4) is equipped with two smoke collectings mouthful (6), and the two of same bulkhead
The top that individual smoke collecting mouthful (6) one is located at bulkhead, another is located at the bottom of bulkhead, and smoke collecting mouthful (6) is communicated with
TVOC concentration detection apparatus；Exhaust outlet (10), the first thief hatch (1), the second thief hatch (2), the 3rd thief hatch (3) and flue gas are adopted
Ji Kou (6) is equipped with gate valve.
2. the detection means for the volatile matter that a kind of household electrical appliance according to claim 1 are produced, it is characterised in that sealed compartment
(4) dividing plate (7) is provided with, the two ends of dividing plate (7) connect the relative both sides of sealed compartment (4), the top connection sealed compartment of dividing plate (7)
(4) top, the bottom of dividing plate (7) is less than or equal to 30 centimetres, the exhaust outlet (10) with the distance from bottom of sealed compartment (4)
Positioned at sealed compartment (4) on the bulkhead of dividing plate (7).
3. the detection means for the volatile matter that a kind of household electrical appliance according to claim 2 are produced, it is characterised in that sealed compartment
(4) backing plate is additionally provided with, the thickness of backing plate is 70 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720199773.6U CN206515319U (en) | 2017-03-02 | 2017-03-02 | A kind of detection means for the volatile matter that household electrical appliance are produced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720199773.6U CN206515319U (en) | 2017-03-02 | 2017-03-02 | A kind of detection means for the volatile matter that household electrical appliance are produced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206515319U true CN206515319U (en) | 2017-09-22 |
Family
ID=59869023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720199773.6U Active CN206515319U (en) | 2017-03-02 | 2017-03-02 | A kind of detection means for the volatile matter that household electrical appliance are produced |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206515319U (en) |
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2017
- 2017-03-02 CN CN201720199773.6U patent/CN206515319U/en active Active
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