CN109507224A - A kind of building materials volatility detection method - Google Patents
A kind of building materials volatility detection method Download PDFInfo
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- CN109507224A CN109507224A CN201811494817.3A CN201811494817A CN109507224A CN 109507224 A CN109507224 A CN 109507224A CN 201811494817 A CN201811494817 A CN 201811494817A CN 109507224 A CN109507224 A CN 109507224A
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- G01N25/00—Investigating or analyzing materials by the use of thermal means
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Abstract
The invention belongs to volatility detection technique fields, more particularly to a kind of building materials volatility detection method, evaporation chamber is heated by heat source, building materials plate surface is set to generate fixed temperature, building board transfers heat to building materials fixed plate, radiating treatment is carried out to building materials fixed plate by temperature control chamber, the temperature control of a panel region is realized by the baffle of nested structure, by the degree of heat radiation for individually controlling each heat-dissipating pipe, further the local temperature in a panel region is controlled, keep the degree of heat radiation of building materials fixed plate different location different, the region of different temperatures is generated in building materials plate surface, when to realize that small size building materials close volatility experiment under wall-mounted heating condition, the control of building material surface temperature, simulate building material surface temperature under true indoor suspension heating environment, improve the authenticity of testing result.
Description
Technical field
The invention belongs to volatility detection technique field more particularly to a kind of building materials volatility detection methods.
Background technique
Indoor air quality (IAQ) refers to that in some specific environment, certain elements are to people's life, work in air
Suitable degree, previous air quality mainly based on temperature, humidity, with the raising of modern architecture airtightness, makes interior
Pernicious gas cannot discharge, and the pernicious gas of decoration material volatilization becomes new focus；
Volatile detection of indoor building materials, generallys use closed experiment bin, and building for small size is arranged in experiment bin
Material detects the volatility of building materials, building materials are in actual residence by factors such as control environment temperature, humidity, ventilation rate and rate of load condensates
Firmly in environment, since room temperature is under different heating environments, the region of different temperatures can be formed indoors, is reacted in building materials
The different zones of building materials can be made to generate different temperature regions on plate, due to building using small size during test experience
Material, conversion by a certain percentage are tested, and indoor environment can be simulated in humidity and ventilation rate, and in no less important
In temperature control, the building materials different situation of local temperature present in environment indoors can not be really simulated, experiment is tied
There are deviations in the volatility for reacting true indoor environment plate for fruit, and therefore, one kind can be simulated under different heating environments, room
The experiment bin of interior building materials surface temperature, becomes urgent problem to be solved.
Summary of the invention
The present invention overcomes above-mentioned the deficiencies in the prior art, provide a kind of building materials volatility detection method, the skill of solution
Art problem includes:
1, when small size building materials close volatility experiment under wall-mounted heating condition, the control of building material surface temperature；
2, how the temperature of several humidity provinces of building material surface is controlled；
3, how to the partial temperature control in building material surface humidity province；
4, how gas after volatilization is mixed；
5, how mixed gas is sampled；
Technical solution of the present invention:
A kind of building materials volatility detection device for simulating wall-mounted heating environment, comprising: evaporation chamber, temperature control chamber and mixing
Chamber is provided with the heat source for simulating wall-mounted heat supply in the evaporation chamber, and the side opposite with heat source is provided with building materials and fixes
The outside of plate, building materials fixed plate is connect with temperature control chamber, and the evaporation chamber side is connect with mixed collection chamber；
The temperature control chamber includes: heat-dissipating pipe, heat emission fan and baffle, the baffle keep off the temperature control chamber be divided into heat-insulation chamber and
Heat dissipation cavity is provided with heat emission fan in the heat dissipation cavity, and the heat-insulation chamber is adjacent with the building materials fixed plate, described in several
Heat-dissipating pipe passes through the baffle, and several heat-dissipating pipe rectangular array settings, one end of heat-dissipating pipe and the building materials fixed plate
Connection, the other end of heat-dissipating pipe enter the heat dissipation cavity, and heat-dissipating pipe enter heat dissipation cavity length it is adjustable；
The heat-dissipating pipe includes: heat-dissipating pipe pedestal, heat-dissipating pipe actuator and heat dissipation tube body, one end of the heat-dissipating pipe pedestal
It is fixed in the building materials fixed plate, the other end is provided with sliding eye, and sliding eye is embedded with heat dissipation tube body, and heat dissipation tube body can be
It slides axially in the sliding eye, is provided with heat-dissipating pipe actuator, heat-dissipating pipe between the heat-dissipating pipe pedestal and heat dissipation tube body
Actuator is for driving heat dissipation tube body sliding；
The baffle includes several rectangle baffles, rectangle baffle include perpendicular to the heat-dissipating pipe baffle-panels and along
The axially extending baffle body of heat-dissipating pipe, first rectangle baffle are located in the rectangular array of the formation of the heat-dissipating pipe described in several
The heart is provided with the rectangular through-hole for adapting to first rectangle baffle in the middle part of second rectangle baffle, and is slided by the through-hole
It is socketed on the baffle body of first rectangle baffle, third rectangle baffle is socketed in second rectangle by intermediate through-hole and keeps off
On the baffle body of plate, and so on, several rectangle baffles form successively nested structure；
The mixing chamber is internally provided with isolating door and probe tube, and the isolating door setting is connect in mixing chamber with evaporation chamber
Side wall on.
Further, the axis of the heat emission fan is located at the center of the baffle, and the gas outlet of the heat dissipation cavity
At the outer that baffle is contacted with temperature control chamber.
Further, the isolating door includes: main door plate, connection door-plate, secondary door-plate and drive shaft, main door described in two
One end of plate is articulated and connected, and the other end of two main door plates is hinged with one end of a connection door-plate respectively, two connection door-plates
The other end be articulated and connected respectively with the intermediate of secondary door-plate, the articulated shaft at the connection door-plate both ends passes through sliding block and slides
It is connected in the first slideway, first slideway is arranged in parallel with the isolating door, and one end of the pair door-plate is sliding by sliding block
Dynamic to be connected in the second slideway, second slideway is obliquely installed with the isolating door, and two second slideways are set in parallel
It sets, the one end hinged with door-plate is connect of main door plate described in two is provided with pull rod, and the outer end of pull rod and one end of rope connect,
The other end of rope is wrapped in the drive shaft, and side of the isolating door far from the probe tube, the pair is arranged in drive shaft
Side on door-plate close to evaporation chamber is provided with circulating fan.
Further, the both ends of the isolating door are provided with elastic component, apply drawing outward to the both ends of isolating door
Power.
Further, the probe tube includes: current limiting tube, circulatory turbine, outer probe tube and interior probe tube, the current limiting tube
Inside is coaxially arranged with outer probe tube, several outer sampling openings, the inside of outer probe tube are provided on the side wall of outer probe tube
It is coaxially arranged with interior probe tube, is correspondingly arranged in several on the side wall of interior probe tube with outer probe tube and samples opening, it is described
It is provided with probe tube driving structure between interior probe tube and outer probe tube, probe tube driving structure makes interior probe tube relative to taking outside
Sample pipe is mobile, and opening when being formed in interior sampling opening and outer sampling opening coincidence, interior sampling opening and outer sampling opening are not overlapped
When the construction of switch closed, the lower end of the outer probe tube is provided with circulatory turbine.
Further, the current limiting tube upper end is provided with upper flow tube socket, and lower end is provided with lower current limiting tube seat, upper limit flow tube
Seat and lower current limiting tube seat are each attached on the inner wall of the mixing chamber, and there are gaps between the current limiting tube and upper flow tube socket
Air stream outlet is formed, there are gaps to form air flow inlet between current limiting tube and lower current limiting tube seat, and air flow inlet and air stream outlet are equal
The side of the probe tube is set.
A kind of building materials volatility detection method, comprising the following steps:
Step a: it by building materials back brushing heat-conducting silicone grease to be detected, and is bonded and is fixed in building materials fixed plate；
Step b: go out several humidity provinces, root according to several corresponding region divisions of rectangle baffle on the surface of building board
The temperature region temperature for factually testing needs adjusts the position of each rectangle baffle, the temperature height of temperature region by rectangle baffle towards
The direction of heat emission fan pulls, and the temperature of temperature region is low to pull rectangle baffle towards the direction of building materials fixed plate；
Step c: the local temperature adjustment heat dissipation that needs are tested on building board is corresponded to according to heat-dissipating pipe on each rectangle baffle
The length of tube body is slided by heat-dissipating pipe actuator driving heat dissipation tube body towards heat-dissipating pipe chassis interior when local temperature is high,
Reduce single heat dissipation tube body relative to rectangle baffle extension elongation, passes through the driving heat dissipation of heat-dissipating pipe actuator when local temperature is low
Tube body is slided towards heat-dissipating pipe base exterior, increases single heat dissipation tube body relative to rectangle baffle extension elongation；
Step d: starting heat source and heat emission fan close the volatilization environment that isolating door makes evaporation chamber form sealing, in heat emission fan
In the case of the cooling wind for providing constant speed, the rectangle baffle of different location limits the extension elongation of heat-dissipating pipe in rectangle baffle, makes
The heat dispersal situations that rectangle baffle corresponds in the humidity province on building board are identical, and the temperature of several different temperatures is formed on building board
Area is spent, relative to heat-dissipating pipe pedestal heat dissipation tube body with different depths, in the heat-dissipating pipe extension elongation that rectangle baffle limits
On the basis of, change the extension elongation for the tube body that individually radiates on rectangle baffle, to change the part temperature on building board in humidity province
Area's heat dispersal situations are spent, form the local temperature of several different temperatures in the humidity province of building board；
Step e: opening isolating door after the completion of volatilization, and non-uniform gas enters mixing chamber in evaporation chamber, in mixing chamber
After interior mixing, pass through probe tube sample detection.
Further, in the step e, when opening isolating door, by rotate driving axis, rope is wrapped in drive shaft
On, pull rod is pulled, makes the rotation of two main door plates, while serious first slideway slides, the hinged ends of two main door plates is towards sampling
Pipe is mobile, is formed in mixing chamber along evaporation chamber to the diaphragm structure for mixing cavity direction, secondary door-plate is whole along the first slideway
Sliding, one end of secondary door-plate are slided along the second slideway, so that secondary door-plate is rotated, the circulating fan on secondary door-plate is by evaporation chamber
Interior varying cyclically is the outer circulation of evaporation chamber and mixing chamber, under the action of diaphragm structure and circulating fan, forms fitting volatilization
The big mixing circulation of chamber and mixing chamber side wall.
Further, when probe tube is sampled, made on interior probe tube and outer probe tube by probe tube driving structure
Interior sampling hole and outer sampling hole be not overlapped, circulatory turbine rotation makes air-flow flow direction top inside the current limiting tube, from top-side
Outflow flows downward along mixing cavity wall, enters current limiting tube from current limiting tube lower end side, small mixing circulation is formed, by taking
Sample pipe driving structure is overlapped interior sampling hole and outer sampling hole on interior probe tube and outer probe tube, in mixed gas entrance
Probe tube.
Further, the method is applied in a kind of building materials volatility detection device for simulating wall-mounted heating environment.
Further, a kind of building materials volatility detection device for simulating wall-mounted heating environment include: evaporation chamber,
Temperature control chamber and mixing chamber are provided with the heat source for simulating wall-mounted heat supply in the evaporation chamber, and the side opposite with heat source is set
It is equipped with building materials fixed plate, the outside of building materials fixed plate is connect with temperature control chamber, and the evaporation chamber side is connect with mixed collection chamber.
The invention has the benefit that
1) detection device of the invention includes: evaporation chamber, temperature control chamber and mixing chamber, is provided in the evaporation chamber for mould
The heat source for intending wall-mounted heat supply, the side opposite with heat source are provided with building materials fixed plate, the outside of building materials fixed plate and temperature control chamber
Connection, the evaporation chamber side connect with mixed collection chamber, are heated by heat source to evaporation chamber, generate building materials plate surface
Fixed temperature, building board transfer heat to building materials fixed plate, carry out radiating treatment to building materials fixed plate by temperature control chamber, pass through
The degree of heat radiation of building materials fixed plate different location is different, so that building materials plate surface is generated the region of different temperatures, to realize small ruler
When very little building materials close volatility experiment under wall-mounted heating condition, the control of building material surface temperature.
2) temperature control chamber of the present invention includes: heat-dissipating pipe, heat emission fan and baffle, and heat-dissipating pipe described in several passes through gear
Plate, one end of heat-dissipating pipe are connect with the building materials fixed plate, and the baffle includes several rectangle baffles, several rectangle baffles
Successively nested structure is formed, by mobile rectangle baffle, batch changes the exposed length of heat-dissipating pipe, in building board bulk temperature
On the basis of fast implement the temperature control of building board surface region, realize and the temperature of several humidity provinces of building material surface controlled.
3) heat-dissipating pipe of the present invention include: heat-dissipating pipe pedestal, heat-dissipating pipe actuator and heat dissipation tube body, heat-dissipating pipe pedestal
One end is provided with sliding eye, and sliding eye is embedded with heat dissipation tube body, and heat-dissipating pipe actuator is for driving heat dissipation tube body sliding, Ke Yi
The extension elongation for changing single heat dissipation tube body in the region that baffle is set by heat-dissipating pipe actuator, thus in baffle setting
The degree of heat radiation for changing part in humidity province, so that changing building board individually changes regional area in the humidity province that baffle is set
Temperature control the temperature of building material surface more accurate thus to the partial temperature control in building material surface humidity province.
4) present invention is internally provided with isolating door in mixing chamber, and isolating door is formed in mixing chamber along volatilization after opening
To the diaphragm structure for mixing cavity direction, gas flow when to mixing limits chamber, allows gas along evaporation chamber and mixes
The wall flow for closing chamber, flows the gas for being deposited in side wall sufficiently, participates in mixing.
5) probe tube of the present invention includes: current limiting tube, circulatory turbine, outer probe tube and interior probe tube, inside the current limiting tube
It is coaxially arranged with outer probe tube, several outer sampling openings are provided on the side wall of outer probe tube, the inside of outer probe tube is coaxial
It is provided with interior probe tube, interior sampling opening is provided on the side wall of interior probe tube, the lower end of the outer probe tube is provided with circulation
Turbine, thus structure may be implemented, and interior probe tube is mobile relative to outer probe tube, be formed in interior sampling opening and outer sampling opening
It is opened when coincidence, the construction of switch that interior sampling opening and outer sampling opening are closed when not being overlapped rotates auxiliary gas in circulatory turbine
After body mixing, auxiliary turbine makes mixed gas, is entered by inside and outside probe tube, further ensures that the sample obtained is filled
Divide mixing.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of the temperature control chamber in Fig. 1；
Fig. 3 is the Section A-A schematic diagram in Fig. 2；
Fig. 4 is the structural schematic diagram of the heat-dissipating pipe in Fig. 2；
Fig. 5 is the structural schematic diagram of the mixing chamber in Fig. 1；
Fig. 6 is the structural schematic diagram of the isolating door opening state in Fig. 5；
Fig. 7 is the structural schematic diagram of the probe tube in Fig. 1；
In figure: 1 evaporation chamber；2 temperature control chambers；3 mixing chambers；4 isolating doors；5 probe tubes；1-1 heat source；1-2 building materials fixed plate；2-
1 heat-dissipating pipe；2-2 heat emission fan；2-3 baffle；4-1 main door plate；4-2 connection door-plate；4-3 pair door-plate；4-4 drive shaft；4-5 first is sliding
Road；The second slideway of 4-6；4-7 circulating fan；5-1 current limiting tube；5-2 circulatory turbine；The outer probe tube of 5-3；Probe tube in 5-4；2-1-
1 heat-dissipating pipe pedestal；2-1-2 heat-dissipating pipe actuator；2-1-3 heat dissipation tube body；2-3-1 rectangle baffle；
Specific embodiment
Below with reference to attached drawing, the present invention is described in detail:
Specific embodiment one
As shown in connection with fig. 1, a kind of building materials volatility detection device for simulating wall-mounted heating environment disclosed in the present embodiment,
Include: evaporation chamber 1, temperature control chamber 2 and mixing chamber 3, the heat source 1-1 for simulating wall-mounted heat supply be provided in the evaporation chamber 1,
The side opposite with heat source 1-1 is provided with building materials fixed plate 1-2, and the outside of building materials fixed plate 1-2 is connect with temperature control chamber 2, described
1 side of evaporation chamber is connect with mixed collection chamber 3；
Closed environment is formed by evaporation chamber 1, the number of changing in simulating chamber is simulated by heat source 1-1 and the setting of building board interval
Wall-mounted heating environment forms isoperibol in evaporation chamber 1, and building board is fixed on building materials fixed plate 1-2, control is passed through
Greenhouse 2 applies different degrees of heat dissipation to the side of building materials fixed plate 1-2, and building materials plate surface is made to generate different temperature regions,
The case where to simulate the building material surface temperature distributing disproportionation in wall-mounted heating environment, pass through mixing chamber after the completion of volatilization
It is mixed and is sampled, to realize the volatilization experiment of small size building board in a closed environment, simulate wall-mounted heat supply side
The volatilization situation of the building materials of formula indoors；
In conjunction with shown in Fig. 2 and Fig. 3, the temperature control chamber 2 includes: heat-dissipating pipe 2-1, heat emission fan 2-2 and baffle 2-3, the gear
Plate 2-3 keeps off the temperature control chamber 2 and is divided into heat-insulation chamber and heat dissipation cavity, heat emission fan 2-2 is provided in the heat dissipation cavity, and described heat-insulated
Chamber is adjacent with the building materials fixed plate 1-2, and heat-dissipating pipe 2-1 described in several passes through the baffle 2-3, and several heat-dissipating pipes
The setting of 2-1 rectangular array, one end of heat-dissipating pipe 2-1 connect with the building materials fixed plate 1-2, the other end of heat-dissipating pipe 2-1 into
Enter the heat dissipation cavity, and heat-dissipating pipe 2-1 enter heat dissipation cavity length it is adjustable；
In order to which the heat dispersal situations to building materials fixed plate 1-2 control, by being set in the side array of building materials fixed plate 1-2
Several heat-dissipating pipe 2-1 are set, heat-dissipating pipe 2-1 is blocked by baffle 2-3, by control baffle 2-3 to heat-dissipating pipe 2-1's
Shielded area can control the heat dispersal situations of heat-dissipating pipe 2-1 in the case where heat emission fan 2-2 provides identical heat dissipation air quantity
System；
As shown in connection with fig. 4, the heat-dissipating pipe 2-1 includes: heat-dissipating pipe pedestal 2-1-1, heat-dissipating pipe actuator 2-1-2 and heat dissipation
Tube body 2-1-3, one end of the heat-dissipating pipe pedestal 2-1-1 are fixed on the building materials fixed plate 1-2, and the other end is provided with sliding
Hole, sliding eye are embedded with heat dissipation tube body 2-1-3, and heat dissipation tube body 2-1-3 can slide axially in the sliding eye, described to dissipate
It is provided with heat-dissipating pipe actuator 2-1-2 between heat pipe pedestal 2-1-1 and heat dissipation tube body 2-1-3, heat-dissipating pipe actuator 2-1-2 is used for
Driving heat dissipation tube body 2-1-3 sliding；
Once the exposed length of multiple heat-dissipating pipe 2-1 is adjusted by baffle 2-3, realizes the temperature tune of a panel region
It is whole, but the local temperature in region can not be adjusted, the heat dissipation edge tube body 2-1-3 is driven by heat-dissipating pipe actuator 2-1-2
Axial movement, heat dissipation tube body 2-1-3 is mobile relative to baffle 2-3, thus to the heat dispersal situations of each heat-dissipating pipe 2-1 in a section
It is individually adjusted on the basis of the bulk temperature adjustment in domain；
In conjunction with shown in Fig. 3 and Fig. 4, the baffle 2-3 includes several rectangles baffle 2-3-1, and rectangle baffle 2-3-1 includes
Baffle-panels and the baffle body axially extending along heat-dissipating pipe 2-1 perpendicular to the heat-dissipating pipe 2-1, first rectangle baffle 2-3-
1 is located at the center for the rectangular array that the heat-dissipating pipe 2-1 described in several is formed, the middle part setting of second rectangle baffle 2-3-1
There is the rectangular through-hole for adapting to first rectangle baffle 2-3-1, and is slidably socketed by the through-hole in first rectangle baffle 2-
On the baffle body of 3-1, third rectangle baffle 2-3-1 is socketed in the gear of second rectangle baffle 2-3-1 by intermediate through-hole
On plate body, and so on, several rectangle baffle 2-3-1 form successively nested structure；Each rectangle baffle 2-3-1 can be single
It is solely mobile, the heat dispersal situations of a panel region are adjusted；
The mixing chamber 3 is internally provided with isolating door 4 and probe tube 5, and the setting of isolating door 4 is in mixing chamber 3 and volatilization
On the side wall that chamber 1 connects, the isolating door 4 is formed in mixing chamber 3 along evaporation chamber 1 to 3 direction of mixing chamber after opening
Diaphragm structure, diaphragm structure is isolated by air-flow guides, and so that air-flow is mainly bonded side wall movement, avoids local gas flow slow, make
It is more fully mixed.
Specific embodiment two
The present embodiment is on the basis of specific embodiment one, particularly in connection with shown in Fig. 2；
The axis of the heat emission fan 2-2 is located at the center of the baffle 2-3, and the gas outlet of the heat dissipation cavity is located at
At the outer that baffle 2-3 is contacted with temperature control chamber 2.
Specific embodiment three
The present embodiment is on the basis of specific embodiment one or two, specifically, in conjunction with shown in Fig. 5 and Fig. 6；
The isolating door 4 includes: main door plate 4-1, connection door-plate 4-2, pair door-plate 4-3 and drive shaft 4-4, described in two
One end of main door plate 4-1 is articulated and connected, and the other end of two main door plate 4-1 is hinged with one end of a connection door-plate 4-2 respectively,
The other end of two connection door-plate 4-2 is articulated and connected with secondary the intermediate of door-plate 4-3 respectively, the both ends the connection door-plate 4-2
Articulated shaft pass through sliding block and be slidably connected in the first slideway 4-5, the first slideway 4-5 is parallel with the isolating door 4 to be set
Set, one end of the pair door-plate 4-3 is slidably connected in the second slideway 4-6 by sliding block, the second slideway 4-6 with it is described every
Be obliquely installed from door 4, and two the second slideway 4-6 are arranged in parallel, main door plate 4-1 described in two with connect door-plate 4-2
Hinged one end is provided with pull rod, and the outer end of pull rod and one end of rope connect, and the other end of rope is wrapped in the drive shaft
On 4-4, side of the isolating door 4 far from the probe tube 5, close evaporation chamber 1 on the pair door-plate 4-3 is arranged in drive shaft 4-4
Side be provided with circulating fan 4-7；
By rotate driving axis 4-4, it is wrapped in rope on drive shaft 4-4, rope pulls pull rod, and pull rod drives main door plate
4-1 rotation, while mobile to centre, the hinged place of two main door plate 4-1 is mobile towards probe tube 5, formed be located at probe tube 5 with
Baffle arrangement between evaporation chamber 1, baffle arrangement are located at the middle position of evaporation chamber 1 and mixing chamber 3, play and lead to mixed airflow
To effect, make air-flow along wall flow, two pair door-plate 4-3 are slided along inclined second slideway 4-6, due to the second slideway
4-6 is obliquely installed, and secondary door-plate is made to rotate, so that circulating fan 4-7 be driven to rotate, makes circulating fan 4-7 by evaporation chamber 1
Interior generation convection current, which is changed into, promotes gas in evaporation chamber 1 to enter the mixing of mixing chamber 3, makes gas flowing mixing in two chambers；
Specific embodiment four
The present embodiment is on the basis of specific embodiment three, specifically；
The both ends of the isolating door 4 are provided with elastic component, apply pulling force outward to the both ends of isolating door 4.
Specific embodiment five
The present embodiment is on the basis of specific embodiment one or two, specifically, as shown in connection with fig. 7；
The probe tube 5 includes: current limiting tube 5-1, circulatory turbine 5-2, outer probe tube 5-3 and interior probe tube 5-4, the limit
It is coaxially arranged with outer probe tube 5-3 inside flow tube 5-1, several outer sampling openings are provided on the side wall of outer probe tube 5-3, outside
The inside of probe tube 5-3 is coaxially arranged with interior probe tube 5-4, is correspondingly arranged on the side wall of interior probe tube 5-4 with outer probe tube 5-3
There is sampling opening in several, be provided with probe tube driving structure between the interior probe tube 5-4 and outer probe tube 5-3, samples
Pipe driving structure keeps interior probe tube 5-4 mobile relative to outer probe tube 5-3, is formed in interior sampling opening and outer sampling opening is overlapped
When open, the construction of switch that interior sampling opening and outer sampling opening are closed when not being overlapped, the lower end setting of the outer probe tube 5-3
There is circulatory turbine 5-2；
Probe tube driving structure drives interior probe tube 5-4 mobile relative to outer probe tube 5-3, makes interior sampling opening and takes outside
Sample opening is not overlapped, and starts circulatory turbine 5-2, and the gas in mixing chamber 3 flows into current limiting tube 5-1, from the upper end side of current limiting tube 5-1
Surface current goes out, and washes away 3 side wall of mixing chamber, after flow to current limiting tube 5-1 lower end side, into current limiting tube 5-1, formed in mixing chamber 3
The mixing circulation in portion, the systemic circulation with evaporation chamber 1 and mixing chamber 3 cooperate, and further increase mixed effect, keep gas distribution equal
It is even, after mixing probe tube driving structure drive in probe tube 5-4 it is mobile relative to outer probe tube 5-3, make interior sampling opening and outside
Sampling opening is overlapped, and gas flows into interior probe tube 5-4；
Specific embodiment six
The present embodiment is on the basis of specific embodiment five, specifically, as shown in connection with fig. 7；
The upper end the current limiting tube 5-1 is provided with upper flow tube socket, and lower end is provided with lower current limiting tube seat, and upper flow tube socket is under
Current limliting tube socket is each attached on the inner wall of the mixing chamber 3, and there are gap shapes between the current limiting tube 5-1 and upper flow tube socket
At air stream outlet, between current limiting tube 5-1 and lower current limiting tube seat, there are gaps to form air flow inlet, and air flow inlet and air stream outlet are equal
The side of the probe tube 5 is set.
Specific embodiment seven
A kind of building materials volatility detection method disclosed in the present embodiment, the method apply specific embodiment one, two,
In a kind of building materials volatility detection device that simulating wall-mounted heating environment disclosed in four or six, in conjunction with shown in Fig. 1-Fig. 7, specifically
Ground, comprising the following steps:
Step a: it by building materials back brushing heat-conducting silicone grease to be detected, and is bonded and is fixed on building materials fixed plate 1-2；
Step b: several temperature are gone out according to the corresponding region division of several rectangle baffles 2-3-1 on the surface of building board
Area adjusts the position of each rectangle baffle 2-3-1 according to the temperature region temperature that experiment needs, and the temperature height of temperature region is by square
Shape baffle 2-3-1 is pulled towards the direction of heat emission fan 2-2, and the temperature of temperature region is low to consolidate rectangle baffle 2-3-1 towards building materials
The direction of fixed board 1-2 pulls；
Step c: the local temperature that needs are tested on building board is corresponded to according to heat-dissipating pipe 2-1 on each rectangle baffle 2-3-1
The length of adjustment heat dissipation tube body 2-1-3 passes through heat-dissipating pipe actuator 2-1-2 driving heat dissipation tube body 2-1-3 when local temperature is high
Towards heat-dissipating pipe pedestal 2-1-1 internal slide, reduce single heat dissipation tube body 2-1-3 relative to rectangle baffle 2-3-1 extension elongation,
Drive heat dissipation tube body 2-1-3 towards cunning outside heat-dissipating pipe pedestal 2-1-1 by heat-dissipating pipe actuator 2-1-2 when local temperature is low
It is dynamic, increase single heat dissipation tube body 2-1-3 relative to rectangle baffle 2-3-1 extension elongation；
Step d: starting heat source 1-1 and heat emission fan 2-2, the volatilization environment that isolating door 4 makes evaporation chamber 1 form sealing is closed,
When heat emission fan 2-2 provides the cooling wind of constant speed, the rectangle baffle 2-3-1 of different location limits rectangle baffle 2-3-1
The extension elongation of interior heat-dissipating pipe 2-1, the heat dispersal situations for corresponding to rectangle baffle 2-3-1 in the humidity province on building board are identical,
The humidity province that several different temperatures are formed on building board, relative to heat-dissipating pipe pedestal 2-1-1 heat-dissipating pipe with different depths
Body 2-1-3 changes single on rectangle baffle 2-3-1 on the basis of the heat-dissipating pipe 2-1 extension elongation that rectangle baffle 2-3-1 is limited
The extension elongation of a heat dissipation tube body 2-1-3, to change the local temperature area heat dispersal situations on building board in humidity province, in building materials
The local temperature of several different temperatures is formed in the humidity province of plate；
Step e: opening isolating door 4 after the completion of volatilization, and non-uniform gas enters mixing chamber 3 in evaporation chamber 1, is mixing
In chamber 3 after mixing, pass through 5 sample detection of probe tube.
Specific embodiment eight
The present embodiment is on the basis of specific embodiment seven, in conjunction with shown in Fig. 5 and Fig. 6, specifically；
In the step e, when opening isolating door 4, by rotate driving axis 4-4, rope is wrapped on drive shaft 4-4,
Pull pull rod, make two main door plate 4-1 rotation, while serious first slideway 4-5 is slided, the hinged end of two main door plate 4-1 to
Probe tube 5 it is mobile, formed in mixing chamber 3 along evaporation chamber 1 to the diaphragm structure in 3 direction of mixing chamber, secondary door-plate 4-3 is whole
It is slided along the first slideway 4-5, one end of secondary door-plate 4-3 is slided along the second slideway 4-6, and secondary door-plate 4-3 is made to rotate, secondary
Circulating fan 4-7 on door-plate 4-3 is the outer circulation of evaporation chamber 1 and mixing chamber 3 by varying cyclically in evaporation chamber 1, in partition knot
Under the action of structure and circulating fan 4-7, the big mixing circulation of fitting evaporation chamber 1 and 3 side wall of mixing chamber is formed.
Specific embodiment nine
The present embodiment is on the basis of specific embodiment seven, as shown in connection with fig. 7, specifically；
When probe tube 5 is sampled, made on interior probe tube 5-4 and outer probe tube 5-3 by probe tube driving structure
Interior sampling hole and outer sampling hole are not overlapped, circulatory turbine 5-2 rotation, make air-flow flow direction top inside current limiting tube 5-1, from top
Side outflow, flows downward along 3 inner wall of mixing chamber, enters current limiting tube 5-1 from current limiting tube 5-1 lower end side, form small mixing
Circulation is overlapped interior sampling hole and outer sampling hole on interior probe tube 5-4 and outer probe tube 5-3 by probe tube driving structure,
Mixed gas enters interior probe tube 5-4.
Specific embodiment ten
The present embodiment is on the basis of specific embodiment seven, eight or nine, specifically；
A kind of building materials volatility detection method is applied in a kind of building materials volatility for simulating wall-mounted heating environment
In detection device.
Specific embodiment 11
The present embodiment is on the basis of specific embodiment ten, specifically；
A kind of building materials volatility detection device for simulating wall-mounted heating environment includes: evaporation chamber 1, temperature control chamber 2
With mixing chamber 3, the heat source 1-1 for simulating wall-mounted heat supply, the side opposite with heat source 1-1 are provided in the evaporation chamber 1
Be provided with building materials fixed plate 1-2, the outside of building materials fixed plate 1-2 is connect with temperature control chamber 2,1 side of evaporation chamber with mix receive
Collect chamber 3 to connect.
Above embodiments are exemplary description of this patent, do not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (5)
1. a kind of building materials volatility detection method, is, comprising the following steps:
Step a: it by building materials back brushing heat-conducting silicone grease to be detected, and is bonded and is fixed on building materials fixed plate (1-2)；
Step b: go out several temperature according to several corresponding region divisions of rectangle baffle (2-3-1) on the surface of building board
Area adjusts the position of each rectangle baffle (2-3-1) according to the temperature region temperature that experiment needs, and the temperature height of temperature region will
Rectangle baffle (2-3-1) towards heat emission fan (2-2) direction pull, the temperature of temperature region it is low by rectangle baffle (2-3-1) to
Building materials fixed plate (1-2) direction pull；
Step c: according to the local temperature for testing needs on the corresponding building board of heat-dissipating pipe (2-1) on each rectangle baffle (2-3-1)
The length of adjustment heat dissipation tube body (2-1-3) passes through heat-dissipating pipe actuator (2-1-2) driving heat dissipation tube body when local temperature is high
(2-1-3) towards heat-dissipating pipe pedestal (2-1-1) internal slide reduces single heat dissipation tube body (2-1-3) relative to rectangle baffle (2-
3-1) extension elongation drives heat dissipation tube body (2-1-3) towards heat dissipation when local temperature is low by heat-dissipating pipe actuator (2-1-2)
Tube bottom seat (2-1-1) slide outside increases single heat dissipation tube body (2-1-3) relative to rectangle baffle (2-3-1) extension elongation；
Step d: starting heat source (1-1) and heat emission fan (2-2) close the volatilization ring that isolating door (4) make evaporation chamber (1) to form sealing
Border, when heat emission fan (2-2) provides the cooling wind of constant speed, the rectangle baffle (2-3-1) of different location limits rectangle gear
The extension elongation of plate (2-3-1) interior heat-dissipating pipe (2-1) makes dissipating in the humidity province on rectangle baffle (2-3-1) corresponding building board
Enthusiastic condition is identical, and the humidity province of several different temperatures is formed on building board, has not relative to heat-dissipating pipe pedestal (2-1-1)
Change on the basis of heat-dissipating pipe (2-1) extension elongation that rectangle baffle (2-3-1) is limited with the heat dissipation tube body (2-1-3) of depth
Individually radiate the extension elongation of tube body (2-1-3) on bending moment shape baffle (2-3-1), to change the office on building board in humidity province
Portion humidity province heat dispersal situations, form the local temperature of several different temperatures in the humidity province of building board；
Step e: opening isolating door (4) after the completion of volatilization, and non-uniform gas enters mixing chamber (3) in evaporation chamber (1), mixed
It closes after being mixed in chamber (3), passes through probe tube (5) sample detection.
2. a kind of building materials volatility detection method according to claim 1, which is characterized in that in the step e, opening
When isolating door (4), by rotate driving axis (4-4), rope is wrapped on drive shaft (4-4), is pulled pull rod, is made two main door plates
(4-1) rotation, while serious first slideway (4-5) slides, the hinged end of two main door plates (4-1) is mobile towards probe tube (5),
It is formed in the mixing chamber (3) along evaporation chamber (1) to the diaphragm structure in mixing chamber (3) direction, secondary door-plate (4-3) is whole along the
One end of one slideway (4-5) sliding, secondary door-plate (4-3) is slided along the second slideway (4-6), and secondary door-plate (4-3) is made to rotate,
Circulating fan (4-7) on secondary door-plate (4-3) is outer the following of evaporation chamber (1) and mixing chamber (3) by evaporation chamber (1) interior varying cyclically
Ring forms the big mixing of fitting evaporation chamber (1) and mixing chamber (3) side wall under the action of diaphragm structure and circulating fan (4-7)
Circulation.
3. a kind of building materials volatility detection method according to claim 1, which is characterized in that taken in probe tube (5)
When sample, interior sampling hole on interior probe tube (5-4) and outer probe tube (5-3) and outer sampling hole are made not by probe tube driving structure
It is overlapped, circulatory turbine (5-2) rotation, makes air-flow flow direction top inside current limiting tube (5-1), flowed out from top-side, along mixed
It closes chamber (3) inner wall to flow downward, enters current limiting tube (5-1) from current limiting tube (5-1) lower end side, form small mixing circulation, pass through
Probe tube driving structure makes interior probe tube (5-4) and interior sampling hole and the coincidence of outer sampling hole on outer probe tube (5-3), after mixing
Gas enter interior probe tube (5-4).
4. a kind of building materials volatility detection method according to claim 1,2 or 3, which is characterized in that the method application
In a kind of building materials volatility detection device for simulating wall-mounted heating environment.
5. a kind of building materials volatility detection method according to claim 4, which is characterized in that a kind of simulation wall hanging
The building materials volatility detection device of formula heating environment includes: evaporation chamber (1), temperature control chamber (2) and mixing chamber (3), the evaporation chamber
(1) heat source (1-1) for simulating wall-mounted heat supply is provided in, opposite side is provided with building materials and fixes with heat source (1-1)
The outside of plate (1-2), building materials fixed plate (1-2) is connect with temperature control chamber (2), evaporation chamber (1) side and mixed collection chamber (3)
Connection.
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| CN109507224B (en) | 2021-04-02 |
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