CN109884254A - For detecting the simulation laboratory and application method of the pernicious gas amount of precipitation of plate and furniture - Google Patents
For detecting the simulation laboratory and application method of the pernicious gas amount of precipitation of plate and furniture Download PDFInfo
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- CN109884254A CN109884254A CN201910211014.0A CN201910211014A CN109884254A CN 109884254 A CN109884254 A CN 109884254A CN 201910211014 A CN201910211014 A CN 201910211014A CN 109884254 A CN109884254 A CN 109884254A
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- 230000000505 pernicious effect Effects 0.000 title claims abstract description 46
- 238000004088 simulation Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001556 precipitation Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 75
- 238000000746 purification Methods 0.000 claims abstract description 15
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 238000010998 test method Methods 0.000 claims description 44
- 238000012937 correction Methods 0.000 claims description 31
- 238000005259 measurement Methods 0.000 claims description 25
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 22
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 18
- 238000005070 sampling Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 11
- 239000012857 radioactive material Substances 0.000 claims description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 5
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 238000013507 mapping Methods 0.000 claims 1
- 238000005034 decoration Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000003912 environmental pollution Methods 0.000 description 5
- 239000003463 adsorbent Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 241001449342 Chlorocrambe hastata Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 208000032839 leukemia Diseases 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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Abstract
It is a kind of for detecting the simulation laboratory and application method of the pernicious gas amount of precipitation of plate and furniture, in order to obtain for pernicious gas amount of precipitation data of the subject article within the unit time in the same space.It includes laboratory main body, experimental enviroment control system and measuring device；Laboratory main body, which is used to form, can store up the air seal test environment received and be tested article；Experimental enviroment control system includes the ventilation module being mainly made of inlet channel, exhaust passage and air interchanger；Purification device, check valve are arranged in sequence in the intake channel, check valve is equipped in exhaust passage, so that outdoor gas only can unidirectionally enter in the main body of laboratory and not include pernicious gas；Measuring device is for temperature data, indoor humidity data, room pressure data, indoor harmful gas data and outdoor barometric information in measuring chamber.There is processing cost of the pernicious gas beyond standard requirements when after avoiding interior decoration convenient for determining suitable furniture and plate before finishing indoors in it.
Description
Technical field
The present invention relates to furniture, board for furniture detection technique field, and in particular to one kind is for detecting plate and furniture
Pernicious gas amount of precipitation simulation laboratory and application method.
Background technique
Before more than ten years, China's pollution of indoor environment is quite serious, once becomes the hot spot of society for several years running: China
The survey showed that by the consumers' association one announced in 2001, and the indoor environmental pollution detection after the finishing of 30 family of Beijing has
Evil gas concentration it is exceeded reach 73%, Hangzhou 53 fit up after indoor environmental pollution detection, harmful gas concentration is exceeded to be reached
To 79%, highest exceeded more than 10 times, in addition, VOC and benzene are exceeded 40% or more.
After publication executes at the beginning of " code for indoor environmental pollution control of civil building engineering " 2002, the departments concerned is permitted
Multiplexing is made, and overall situation is gradually improved, but problem still remains: according to 2006 --- and some areas have been fitted up within 2009
Residence, office building indoor environmental pollution testing result show that the exceeded ratio of pernicious gas is still in 50% or more, TVOC exceeded 40%.In
Centre TV station CCTV-2 life channel once organized an indoor decoration pollution some projects scouting in 2005, surpassed as the result is shown
For mark the serious is pernicious gas (exceeded ratio is 70%), the exceeded ratio of followed by TVOC(is 38%) relatively light (the exceeded ratio of benzene pollution
Example be 11%) scouting conclusion: China because finishing caused by indoor pollution it is serious, relevant department, the China Ying Yinqi pay close attention to the (scouting
Due to lacking technical support and quality control, data are only for reference).The indoor environment that local paper, TV news report occur
Pollution problem is complained constantly, and indoor environmental pollution dispute happens occasionally, and cases with leukemia children's case increases, and it is still room that spearhead, which is directed toward,
Interior decoration pollution.
More than ten years go over, " the current indoor environmental pollution situation in China is how on earth ", " presently, there are main problem be
How what, solve ", " how grasped in Decoration Design using finishing material usage amount to guarantee that room air pollution does not surpass
Mark ", " how guaranteeing indoor hardware fitting pollution in Various Seasonal (different temperatures) within the Limited Doses of national regulation " etc.
Problems, since construction, environmental protection, health department did not organized nationwide indoor pollution to investigate, basic condition is unclear, no
It is few with the pollutant release conditions research under finishing operating condition, it is difficult to provide definite answer, line decoration design and construction personnel lack
The support of of low pollution Prevention Technique, it is helpless in face of indoor pollution problem.
In view of current such situation, there is an urgent need to detect finishing material in different amounts, different temperature and humidity, different ventilation quantities
In the case of be able to carry out pernicious gas be precipitated detection simulated experiment room, thus from Decoration Design construct actual needs go out
Hair reduces and prevents and remedies pollution providing technical support for line decoration design and construction personnel, and proposes interior decoration prevention and cure of pollution needle
To property measure.
Summary of the invention
Goal of the invention of the invention is to provide a kind of simulation examination for detecting the pernicious gas amount of precipitation of plate and furniture
Room is tested, in order to obtain for pernicious gas amount of precipitation data of the subject article within the unit time in the same space.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
It designs a kind of for detecting the simulation laboratory of the pernicious gas amount of precipitation of plate and furniture, including laboratory main body, examination
Test environmental control system and measuring device；The laboratory main body has gas-tight door, is used to form to store up and receives subject article
Air seal test environment；The experimental enviroment control system includes ventilation module；The ventilation module includes inlet channel, purification dress
It sets, exhaust passage and air interchanger, purification device, the first check valve is arranged in sequence in the inlet channel, in the exhaust
Second one-way valve is equipped in channel, so that the gas outside the laboratory main body only can unidirectionally enter the laboratory main body
It is interior, and enter the intracorporal gas of laboratory master and do not include pernicious gas；The air interchanger is arranged in the inlet channel
Or in the exhaust passage；The measuring device is used to measure room temperature data in the air seal test environment, indoor wet
Outdoor barometric information outside degree evidence, room pressure data and indoor harmful gas data and the air seal test environment.
Preferably, the measuring device further includes the more sampling pipes that distribution is installed in the ceiling of the laboratory main body,
Valve is installed in laboratory main body foreign side, on the sampling pipe；The laboratory main body include the first face wall and with
The second opposite face wall of first face wall, at the rear of first check valve, the inlet channel is formed with multiple gas outlets, should
A little gas outlets are uniformly distributed and are arranged close to first face wall, in the front of the second one-way valve, the outlet passageway shape
At there is multiple air inlets, those air inlets are uniformly distributed and are arranged close to second face wall.
Further, it is erect in the position close to first face wall and is equipped with 3 air intake branches, the gas outlet setting exists
The position of neighbouring second face wall of the air intake branch, and in the short transverse of every air intake branch, every 0.18~
0.22m opens up a gas outlet；The middle part of the air intake branch is connected to the gas side that goes out of first check valve, in every air inlet
The both ends of branch pipe are equipped with plug；It is erect in the position close to second face wall and is equipped with 3 exhaust branch pipes, the air inlet setting
In the position of neighbouring first face wall of the exhaust branch pipe, and in the short transverse of every exhaust branch pipe, every 0.18~
0.22m opens up an air inlet；The middle part of the exhaust branch pipe is connected to the air inlet side of the second one-way valve, is vented at every
The both ends of branch pipe are equipped with plug.
Further, the distance between first face wall and second face wall are 2~3m, and the sampling pipe has 5,
The thief hatch of those sampling pipes is distributed in the vertex and point of intersection of " ten " font.
Preferably, airtight body, the airtight body packet are fitted in the junction of the laboratory main body and the gas-tight door
Non-radioactive material and the tinfoil paper for wrapping up non-radioactive material are included, the non-radioactive material is arranged in the tinfoil paper.
Preferably, the measuring device further includes being arranged in the intracorporal Temperature Humidity Sensor of laboratory master, the examination
Testing environmental control system further includes thermoregulator, humidistat, controller, the Temperature Humidity Sensor and the controller
Input terminal be correspondingly connected with, the output end of the controller is electrically connected with the thermoregulator, thermoregulator respectively so that
Temperature in the air seal test environment is maintained at target temperature section, and the humidity in the air seal test environment is maintained at target
Humidity section.
Preferably, the air interchanger includes that the air-introduced machine being arranged in the inlet channel and setting are logical in the exhaust
Exhaust blower in road, the air-introduced machine are 3m3/h-30m3The stepless frequency conversion blower of/h.
A method of using the simulation laboratory for the pernicious gas amount of precipitation for being previously described for detection plate and furniture, institute
It states laboratory main volume and object space volumetric ratio is 1:a, be tested the material category of article and be placed in target measurement space
Article material category it is consistent, and in each material category, be tested the quantity of article and be placed in target measurement space
The volume ratio of the quantity of article is 1:a；A is the constant greater than 0, and the value of a preferably takes 1, includes the following steps,
(1) evacuation step, the evacuation step is included in the gas-tight door and is under closed state, with the frequency of 0.5 time/hour
The intracorporal harmful gas concentration of laboratory master is measured, operates air interchanger in time after being measured, to replace the reality
Test gas in the main body of room；In continuously at least 24 hours measurement periods, harmful gas concentration and room in the laboratory main body
Interior temperature data, room temperature data carry out step after reaching test requirements document；
(2) merging subject article step, the merging subject article step are included in the simulation laboratory and reach test requirements document
Afterwards, after the subject article being placed in the laboratory main body, make to form air seal test environment in the laboratory main body, 48
Following at least one test method is carried out after hour:
Test method a. is with the room temperature data in air seal test environment described in the frequency record of 1 time/hour, indoor humidity number
According to the outdoor barometric information outside, room pressure data and the air seal test environment, meanwhile, it is intracorporal to measure the laboratory master
The harmful gas concentration of at least four sampled point, the harmful gas concentration average value of those sampled points are the secondary harmful gas concentration
Correction value operates air interchanger in time after being measured, to replace gas in the laboratory main body；It is small continuously at least 24
When measurement period in, until the harmful gas concentration correction value substantial equalization measured every time；
Test method b. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.5 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, operates air interchanger, in time after being measured to replace gas in the laboratory main body；Continuously at least 24
In the measurement period of hour, until the harmful gas concentration correction value substantial equalization measured every time；
Test method c. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.2 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, operates air interchanger, in time after being measured to replace gas in the laboratory main body；Continuously at least 24
In the measurement period of hour, until the harmful gas concentration correction value substantial equalization measured every time；
Test method d. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.1 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, operates air interchanger, in time after being measured to replace gas in the laboratory main body；Continuously at least 24
In the measurement period of hour, until the harmful gas concentration correction value substantial equalization measured every time；
Test method e. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.1 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, in continuously at least 48 hours measurement periods, the harmful gas concentration correction value substantial equalization measured every time is
Only；
When simultaneously using two or more above-mentioned test methods, reply according to test method a, test method b, test method c,
The sequentially progress of test method d, test method e, and air interchanger is operated after every kind of test method, to replace the reality
Gas in the main body of room is tested, and gas replenishment could start a kind of lower test side in the laboratory main body after at least 48 hours
Formula.
Preferably, in the evacuation step, pernicious gas includes formaldehyde, ammonia, VOCS in the laboratory main body, works as institute
State concentration of formaldehyde≤0.01mg/m3, the ammonia density≤0.05mg/m3, the VOCS concentration≤0.1mg/m3, the Indoor Temperature
When degree is according to being 15 DEG C~35 DEG C and indoor humidity data 30%~80%, reach the test requirements document.
Compared with prior art, exist the beneficial effects of the present invention are: can obtain for the subject article in the same space
Pernicious gas amount of precipitation data in unit time avoid room in order to fit up preceding determining suitable furniture and plate indoors
Occur processing cost of the pernicious gas beyond standard requirements when after interior decoration.
Detailed description of the invention
Fig. 1 is that the structure after the simulation laboratory removal ceiling for detecting the pernicious gas amount of precipitation of plate and furniture is shown
It is intended to.
In figure, the laboratory 1- main body, 11- gas-tight door, the first face wall of 12-, the second face wall of 13-, 21- inlet channel, 211-
Gas outlet, 22- purification device, 23- air-introduced machine, the first check valve of 24-, 25- valve, 31- exhaust passage, 311- air inlet, 32-
Second one-way valve, 33- exhaust blower, 34- valve, 4- control cabinet, 51- Temperature Humidity Sensor, 52- sampling pipe, 521- valve, 522-
Thief hatch.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawings and examples, but following embodiment is used only in detail
It describes the bright present invention in detail, does not limit the scope of the invention in any way.
In the prior art, English, which produces PPM test equipment, can measure concentration of formaldehyde；Shenzhen Wan An enlightening observing and controlling Co., Ltd is raw
The pump suction type ammonia analyzer of production can measure ammonia concentration；The VOC in-line analyzer of Xi'an Bo Chun Instrument Ltd. production
It can be used to detect VOCS concentration.
Embodiment 1: it is a kind of for detecting the simulation laboratory of the pernicious gas amount of precipitation of plate and furniture, referring to Fig. 1, packet
Include laboratory main body 1, experimental enviroment control system and measuring device.In Fig. 1, laboratory main body 1 is arranged in a room body,
It can according to need in room body between sample storage processing is set, Chemical Analysis Lab.
But laboratory main body 1 can also be not arranged in room body.
Laboratory main body 1 has gas-tight door, and the air seal test environment received and be tested article can be stored up by being used to form.
Experimental enviroment control system includes ventilation module；Ventilation module includes inlet channel 21, purification device 22, is vented and leads to
Purification device 22, the first check valve 24 are arranged in sequence in inlet channel 21, sets in exhaust passage 31 for road 31 and air interchanger
There is second one-way valve 32, so that the gas outside laboratory main body 1 only can unidirectionally enter in laboratory main body 1, and enters experiment
Gas in room main body 1 does not include pernicious gas；Air interchanger is arranged in inlet channel 21 or exhaust passage 31.
Measuring device is used to measure room temperature data, the indoor humidity data, room pressure number in air seal test environment
According to the outdoor barometric information outside indoor harmful gas data and the air seal test environment.Room temperature data are generally
Relative temperature RH data.
In general, formaldehyde, ammonia, VOCS are properly termed as laboratory main body pernicious gas.Qu has formaldehyde except the method for formaldehyde
Purifying adsorbent, such as active carbon, activated silica, activated alumina；Alternatively, photocatalyst material, such as the ring health of Germany's production are removed
Aldehydase.Qu has absorption method, sour reaction method except the method for ammonia, generally needs that adsorbent material is arranged after sour reaction method, to inhale
The acid gas of attached evaporation.Qu has absorption method, combustion method except the method for VOCS.So adsorbent generally can be set in purification device
Layer, such as active carbon, activated silica.As needed, purification device can also include dedusting module, such as cloth envelop collector.
Embodiment 2: it is a kind of for detecting the simulation laboratory of the pernicious gas amount of precipitation of plate and furniture, it is real referring to Fig. 1
Testing room main body includes the first face wall 12 and second face wall 13 opposite with the first face wall 12, as to the preferred of embodiment 1, measurement
Device includes baroceptor (not drawing), Temperature Humidity Sensor 51, and baroceptor has at least two, one of air pressure sensing
Device is arranged in laboratory main body 1, another baroceptor is arranged outside laboratory main body 1, and experimental enviroment control system is also
It (is not drawn) including controller, controller is arranged in control cabinet 4.Controller can be electronic computer, PLC, single-chip microcontroller, with control
Device processed be electronic computer for, RS232 data collecting card and RS232 control card are accompanied on electronic computer.RS232 data
Capture card includes serial ports RS 232 circuit, A/D conversion module and multi-sampling circuit, wherein three tunnel of RS232 data collecting card
The interface of sample circuit should be electrically connected with the wire pair of the electric wire of Temperature Humidity Sensor 51, baroceptor respectively, RS232
The RS232 serial ports of data collecting card is plugged on the RS232 serial ports of electronic computer.
As a kind of pernicious gas measurement method, more be fixedly installed can be distributed in the ceiling of laboratory main body 1 and adopted
Sample pipe 52, laboratory main body 1 foreign side, valve 521 is installed on sampling pipe 52, at this moment, adopting in laboratory main body 1
One end nozzle of sample pipe 52 then corresponds to thief hatch 522, and when valve 521 is closed, gas in laboratory main body 1 can not be with
Gas outside laboratory main body 1 is exchanged.Referring to Fig. 1, preferably, the distance between the first face wall 12 and the second face wall 13 are
2~3m, sampling pipe 52 have 5, and the thief hatch 522 of those sampling pipes 52 is distributed in the vertex and point of intersection of " ten " font.Sampling
The stainless steel tube of Φ 6mm can be selected in the thief hatch 522 of pipe 52, and draws outside laboratory main body 1 by using pressure pipe.
At the rear of the first check valve 24, inlet channel 21 is formed with multiple gas outlets 211, those gas outlets 211 are uniform
It is distributed and is arranged close to the first face wall 12, in the front of second one-way valve 32, exhaust passage 31 is formed with multiple air inlets 311,
Those air inlets 311 are uniformly distributed and are arranged close to the second face wall 13.In this way, the gas warp in ventilation, outside laboratory main body 1
Purification device 22 enters in laboratory main body 1 after being removed by filtration pernicious gas through the first check valve 23, gas outlet 211, laboratory
Gas in main body 1 enters exhaust pipe 31 through air inlet 311, and in exhaust pipe 31, gas is through 32 heel row of second one-way valve
Out outside laboratory main body 1.Since gas outlet 211,311 opposite side of air inlet are arranged, convenient for the gas emptying in laboratory main body 1.
Moreover, the ceiling that laboratory main body 1 is arranged in thief hatch 522 can guarantee the stabilization of the harmful gas concentration at thief hatch 522
Property, the reason is that, after gas emptying updates in laboratory main body 1, harmful gas that the subject article in laboratory main body 1 distributes
Body, for example, formaldehyde, ammonia, VOCS be full of laboratory main body 1 in after just can diffuse to laboratory main body 1 ceiling at.
Preferably, inlet channel is uniformly separated with three in vertically arranged air intake branch in laboratory main body 1
Portion's connection is equipped with plug at the both ends of every air intake branch.Long 2.2~the 2.8m of every air intake branch, on every air intake branch,
Every 0.18~0.22m distance opens up a gas outlet 211, and the internal diameter of gas outlet can be 5~7mm.As an example, inlet channel
Φ 40mm pipe is selected to be formed, the long 2.5m of air intake branch, on every air intake branch, every 0.2m distance opens up a gas outlet 211,
The internal diameter of gas outlet is 6mm.It is tested in room main body 1 in room, exhaust passage uniformly separates vertically arranged exhaust branch pipe with three
Middle part connection is equipped with plug, the long 2.2~2.8m of every exhaust branch pipe, in every exhaust branch pipe at the both ends of every exhaust branch pipe
On, every 0.18~0.22m distance opens up an air inlet 311, and the internal diameter of air inlet can be 7~9mm.As an example, exhaust
Channel selects Φ 50mm pipe to be formed, and the long 2.5m of exhaust branch pipe, on every exhaust branch pipe, every 0.2m distance opens up an air inlet
311, the internal diameter of air inlet is 8mm.
Preferably, when gas-tight door 11 closes in laboratory main body 1, the company of main body 1 and gas-tight door 11 in laboratory
The place of connecing is fitted with airtight body (not drawing), and airtight body includes non-radioactive material and the tinfoil paper for wrapping up non-radioactive material, nothing
Radioactive material is arranged in tinfoil paper, is for avoiding pollution material in room, interference examination using the reason of non-radioactive material
Test result.
Preferably, experimental enviroment control system further includes thermoregulator, humidistat, air seal test ring is being obtained
After domestic room temperature data, indoor humidity data, thermoregulator and humidistat can be by manual controls, can also be with
Using the method for automatic control.Thermoregulator has common pocket adjuster, inside be typically arranged with monolithic type control
Device, adjustable temperature reduce humidity, have the function of making the temperature in air seal test environment to be maintained at target temperature section.
So when thermoregulator select air regulator when, humidistat need only to have increase humidity function can, example
Such as humidifier.Since humidistat is realized jointly by air regulator and humidifier, so needing the string of RS232 control card
The Serial Port Line master-slave communication of the single-chip microcontroller type controller of mouth line and air regulator connects, and the relay of RS232 control card is born
It carries end interface and concatenates the power supply line into humidifier, to control the reduction humidity function and control of air regulator by electronic computer
The humidification function of humidifier processed makes the humidity in air seal test environment be maintained at target humidity section.
Preferably, air interchanger includes the air-introduced machine 23 being arranged in inlet channel 21 and is arranged in exhaust passage 31
Exhaust blower 33, air-introduced machine 23 be 3m3/h-30m3The stepless frequency conversion blower of/h.Air-introduced machine 23 is preferably disposed on 22 He of purification device
Between first check valve 24, the reason is that, when the air inlet side of purification device 22 is arranged in air-introduced machine 23, what air-introduced machine 23 was discharged
Air-flow may exceed the detergent power of purification device；When going out gas side of the first check valve 24 is arranged in air-introduced machine 23, first is single
It will form gas-flow resistance to valve 24.Likewise, exhaust blower 32 is preferably disposed on the air inlet side of second one-way valve 32.
In addition, exhaust blower 33 can also be not provided in exhaust passage 31, pressure-difference valve is set in exhaust passage 31, when
When air-introduced machine 23 works, the air pressure in laboratory main body 1 is increased, after reaching the pressure difference unlocking condition of pressure-difference valve, experiment
Gas in room main body 1 can be discharged from exhaust passage 31.
As needed, air-introduced machine 23 can be set in air box, and air box air measuring uses national standard (GB/T 7725-
2004 Appendix D) desired measurement method, the equipment such as setting nozzle, pressure difference tester, air-introduced machine in air box, outside is not using
Become rusty steel casing.
Optionally, valve 25 is installed on the inlet channel of the air inlet side of purification device 22, in the row of second one-way valve 32
Valve 34 is installed on the exhaust passage of gas side, in this way, when closing valve 25, valve 34, valve 521, gas-tight door 11, laboratory
Gas in main body 1 is achieved that is isolated with gas outside laboratory main body 1.
A kind of embodiment 3: pernicious gas precipitation for detecting plate and furniture using in embodiment 1 or embodiment 2
The method of the simulation laboratory of amount, 1 volume of laboratory main body and object space volumetric ratio are 1:a, are tested the material category of article
It is consistent with the material category for the article being placed in target measurement space, and in each material category, be tested the quantity of article with
The volume ratio for being placed in the quantity of the article in target measurement space is 1:a；A is constant greater than 0, and the value of a preferably takes 1, including
Following steps,
(1) evacuation step, the evacuation step is included in the gas-tight door and is under closed state, with the frequency of 0.5 time/hour
The intracorporal harmful gas concentration of laboratory master is measured, operates air interchanger in time after being measured, to replace the reality
Test gas in the main body of room；In continuously at least 24 hours measurement periods, harmful gas concentration and room in the laboratory main body
Interior temperature data, room temperature data carry out step after reaching test requirements document；As optional example, the laboratory master
Internal pernicious gas includes formaldehyde, ammonia, VOCS, as the concentration of formaldehyde≤0.01mg/m3, the ammonia density≤0.05mg/m3,
VOCS concentration≤the 0.1mg/m3, when the room temperature data are 15 DEG C~35 DEG C and indoor humidity data 30%~80%,
Reach the test requirements document；During follow-up test, to maintain room temperature data wet in 15 DEG C~35 DEG C sections and interior
Degree is according between 30%~80%.
(2) merging subject article step, the merging subject article step are included in the simulation laboratory and reach test
After it is required that, after the subject article is placed in the laboratory main body, make to form air seal test environment in the laboratory main body,
Following at least one test method is carried out after 48 hrs:
Test method a. is with the room temperature data in air seal test environment described in the frequency record of 1 time/hour, indoor humidity number
According to the outdoor barometric information outside, room pressure data and the air seal test environment, meanwhile, it is intracorporal to measure the laboratory master
The harmful gas concentration of at least four sampled point, the harmful gas concentration average value of those sampled points are the secondary harmful gas concentration
Correction value operates air interchanger in time after being measured, to replace gas in the laboratory main body；It is small continuously at least 24
When measurement period in, until the harmful gas concentration correction value substantial equalization measured every time, when harmful gas concentration correction value
In the 0.2mg/m up and down of average value3When in section, it is believed that until harmful gas concentration substantial equalization, similarly hereinafter；
Test method b. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.5 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, operates air interchanger, in time after being measured to replace gas in the laboratory main body；Continuously at least 24
In the measurement period of hour, until the harmful gas concentration correction value substantial equalization measured every time；
Test method c. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.2 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, operates air interchanger, in time after being measured to replace gas in the laboratory main body；Continuously at least 24
In the measurement period of hour, until the harmful gas concentration correction value substantial equalization measured every time；
Test method d. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.1 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, operates air interchanger, in time after being measured to replace gas in the laboratory main body；Continuously at least 24
In the measurement period of hour, until the harmful gas concentration correction value substantial equalization measured every time；
Test method e. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.1 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, in continuously at least 48 hours measurement periods, the harmful gas concentration correction value substantial equalization measured every time is
Only；
When simultaneously using two or more above-mentioned test methods, reply according to test method a, test method b, test method c,
The sequentially progress of test method d, test method e, and air interchanger is operated after every kind of test method, to replace the reality
Gas in the main body of room is tested, and gas replenishment could start a kind of lower test side in the laboratory main body after at least 48 hours
Formula.
The data of above-mentioned record and the harmful gas concentration data of measurement are handled.For example, can be obtained by test
The threshold value of the harmful gas concentration in test method a, test method b, test method c, test method d, test method e is taken,
Then determine whether the pernicious gas release of furniture or plate suits the requirements again with this threshold value.
It as needed, can be dense in the intracorporal pernicious gas of surveying laboratory master when confirming test effect of the invention
While spending, the intracorporal harmful gas concentration of surveying laboratory master is as a comparison.
The present invention is described in detail above in conjunction with drawings and examples, still, those of skill in the art
Member is it is understood that without departing from the purpose of the present invention, can also carry out each design parameter in above-described embodiment
Change, forms multiple specific embodiments, is common variation range of the invention, is no longer described in detail one by one herein.
Claims (9)
1. a kind of for detecting the simulation laboratory of the pernicious gas amount of precipitation of plate and furniture, including laboratory main body, test
Environmental control system and measuring device；It is characterized in that, the laboratory main body have gas-tight door, be used to form can store up receive by
Try the air seal test environment of article；The experimental enviroment control system includes ventilation module；The ventilation module includes that air inlet is logical
Purification device, the first check valve is arranged in sequence in road, purification device, exhaust passage and air interchanger in the inlet channel,
Second one-way valve is equipped in the exhaust passage, so that the gas outside the laboratory main body only can unidirectionally enter the experiment
In the main body of room, and enters the intracorporal gas of laboratory master and do not include pernicious gas；Air interchanger setting it is described into
In gas channel or the exhaust passage；The measuring device includes room pressure sampling unit, outdoor air pressure sampling unit；It is described
Measuring device be used to measure room temperature data in the air seal test environment, indoor humidity data, room pressure data and
Outdoor barometric information outside indoor harmful gas data and the air seal test environment.
2. simulation laboratory as described in claim 1, which is characterized in that the measuring device further includes described in distribution is installed in
More sampling pipes of the ceiling of laboratory main body are equipped with valve in laboratory main body foreign side, on the sampling pipe；Institute
Stating laboratory main body includes the first face wall and second face wall opposite with the first face wall, at the rear of first check valve, institute
It states inlet channel and is formed with multiple gas outlets, those gas outlets are uniformly distributed and are arranged close to first face wall, described the
The front of two check valves, the exhaust passage are formed with multiple air inlets, those air inlets are uniformly distributed and close to described second
Face wall setting.
3. simulation laboratory as claimed in claim 2, which is characterized in that erect and be equipped in the position close to first face wall
The position of neighbouring second face wall of the air intake branch is arranged in 3 air intake branches, the gas outlet, and in every air inlet
In the short transverse of branch pipe, every 0.18~0.22m opens up a gas outlet；The middle part of the air intake branch is unidirectional with described first
Valve goes out gas side connection, is equipped with plug at the both ends of every air intake branch；It is erect in the position close to second face wall and is equipped with 3
The position of neighbouring first face wall of the exhaust branch pipe is arranged in root exhaust branch pipe, the air inlet, and is vented at every
In the short transverse of branch pipe, every 0.18~0.22m opens up an air inlet；The middle part of the exhaust branch pipe is unidirectional with described second
The air inlet side of valve is connected to, and is equipped with plug at the both ends of every exhaust branch pipe.
4. simulation laboratory as claimed in claim 2, which is characterized in that between first face wall and second face wall
Distance is 2~3m, and the sampling pipe has 5, and the thief hatch of those sampling pipes is distributed in the vertex and point of intersection of " ten " font.
5. simulation laboratory as described in claim 1, which is characterized in that in the company of the laboratory main body and the gas-tight door
The place of connecing is fitted with airtight body, and the airtight body includes non-radioactive material and the tinfoil paper for wrapping up non-radioactive material, described
Non-radioactive material is arranged in the tinfoil paper.
6. simulation laboratory as described in claim 1, which is characterized in that the measuring device further includes being arranged in the experiment
The intracorporal Temperature Humidity Sensor of room master, the experimental enviroment control system further include thermoregulator, humidistat, control
The input terminal of device, the Temperature Humidity Sensor and the controller is correspondingly connected with, the output end of the controller respectively with it is described
Thermoregulator, thermoregulator electrical connection, so that the temperature in the air seal test environment is maintained at target temperature section, institute
It states the humidity in air seal test environment and is maintained at target humidity section.
7. simulation laboratory as described in claim 1, which is characterized in that the air interchanger includes that setting is logical in the air inlet
Air-introduced machine in road and the exhaust blower being arranged in the exhaust passage, the air-introduced machine is 3m3/h-30m3The stepless frequency conversion of/h
Blower.
8. using the simulation such as the pernicious gas amount of precipitation of any of claims 1-7 for being used to detect plate and furniture
The method of laboratory, the laboratory main volume and object space volumetric ratio are 1:a, are tested the material category of article and are placed in
The material category of article in target measurement space is consistent, and in each material category, is tested the quantity of article and is placed in mesh
The volume ratio of the quantity of article in mapping quantity space is 1:a；A is the constant greater than 0, which is characterized in that includes the following steps,
(1) evacuation step, the evacuation step is included in the gas-tight door and is under closed state, with the frequency of 0.5 time/hour
The intracorporal harmful gas concentration of laboratory master is measured, operates air interchanger in time after being measured, to replace the reality
Test gas in the main body of room；In continuously at least 24 hours measurement periods, harmful gas concentration and room in the laboratory main body
Interior temperature data, room temperature data carry out step after reaching test requirements document；
(2) merging subject article step, the merging subject article step are included in the laboratory main body and reach test requirements document
Afterwards, after the subject article being placed in the laboratory main body, make to form air seal test environment in the laboratory main body, 48
Following at least one test method is carried out after hour:
Test method a. is with the room temperature data in air seal test environment described in the frequency record of 1 time/hour, indoor humidity number
According to the outdoor barometric information outside, room pressure data and the air seal test environment, meanwhile, it is intracorporal to measure the laboratory master
The harmful gas concentration of at least four sampled point, the harmful gas concentration average value of those sampled points are the secondary harmful gas concentration
Correction value operates air interchanger in time after being measured, to replace gas in the laboratory main body；It is small continuously at least 24
When measurement period in, until the harmful gas concentration correction value substantial equalization measured every time；
Test method b. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.5 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, operates air interchanger, in time after being measured to replace gas in the laboratory main body；Continuously at least 24
In the measurement period of hour, until the harmful gas concentration correction value substantial equalization measured every time；
Test method c. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.2 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, operates air interchanger, in time after being measured to replace gas in the laboratory main body；Continuously at least 24
In the measurement period of hour, until the harmful gas concentration correction value substantial equalization measured every time；
Test method d. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.1 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, operates air interchanger, in time after being measured to replace gas in the laboratory main body；Continuously at least 24
In the measurement period of hour, until the harmful gas concentration correction value substantial equalization measured every time；
Test method e. is with room temperature data, the indoor humidity in air seal test environment described in the frequency record of 0.1 time/hour
Outdoor barometric information outside data, room pressure data and the air seal test environment, meanwhile, it measures in the laboratory main body
At least four sampled point harmful gas concentration, the harmful gas concentration average value of those sampled points is that the secondary pernicious gas is dense
Correction value is spent, in continuously at least 48 hours measurement periods, the harmful gas concentration correction value substantial equalization measured every time is
Only；
When simultaneously using two or more above-mentioned test methods, reply according to test method a, test method b, test method c,
The sequentially progress of test method d, test method e, and air interchanger is operated after every kind of test method, to replace the reality
Gas in the main body of room is tested, and gas replenishment could start a kind of lower test side in the laboratory main body after at least 48 hours
Formula.
9. as claimed in claim 8 for detecting the user of the simulation laboratory of the pernicious gas amount of precipitation of plate and furniture
Method, which is characterized in that in the evacuation step, pernicious gas includes formaldehyde, ammonia, VOCS in the laboratory main body, works as institute
State concentration of formaldehyde≤0.01mg/m3, the ammonia density≤0.05mg/m3, the VOCS concentration≤0.1mg/m3, the Indoor Temperature
When degree is according to being 15 DEG C~35 DEG C and indoor humidity data 30%~80%, reach the test requirements document.
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| CN201910211014.0A CN109884254B (en) | 2019-03-20 | Simulation laboratory for detecting harmful gas precipitation amount of plates and furniture and use method |
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| CN201910211014.0A CN109884254B (en) | 2019-03-20 | Simulation laboratory for detecting harmful gas precipitation amount of plates and furniture and use method |
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| CN117871377A (en) * | 2023-12-15 | 2024-04-12 | 江苏诚益达计量检测有限公司 | Salt fog test box based on atomizer |
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