CN208766130U - A kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building - Google Patents
A kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building Download PDFInfo
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- CN208766130U CN208766130U CN201821442971.1U CN201821442971U CN208766130U CN 208766130 U CN208766130 U CN 208766130U CN 201821442971 U CN201821442971 U CN 201821442971U CN 208766130 U CN208766130 U CN 208766130U
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- insulating mold
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Abstract
The utility model discloses a kind of equivalent thermal resistance of insulating mold coating for building and thermal coefficient detection devices, wherein equipment includes including heat source and incubator, partition is installed, incubator is divided into two mutually independent test chambers and heating chamber by the partition in the incubator；The heat source is connected to heating chamber provides stable thermal energy for heating chamber, mounting rack is provided in the test chamber, there is two layers or two layers or more of mounting bracket on the mounting rack, data temperature collection heat flow density device is provided on the mounting rack, the cabinet inner top of the incubator is divided into painting apply flitch to be measured and comparison painting apply flitch.The utility model can quantitatively design the equivalent thermal resistance of the blocking radiant heat of insulating mold coating for building, can respectively tell the true and false and superiority and inferiority of insulating mold coating using unit and testing agency according to equivalent thermal resistance size.Global demand has this detection device to generate as early as possible, and application market prospect is very good, has fabulous promotional value.
Description
Technical field
The utility model belongs to building coating detection technique field, and in particular to a kind of resistance of insulating mold coating for building
Heat-insulated radiological equivalent thermal resistance and equivalent heat conductivity detection device.
Background technique
Insulating mold coating for building is with efficiently to sunlight and the wide amplitude of remote middle near-infrared, heat radiation with barrier
Heat-insulated and insulation effect, excellent anti-ultraviolet property, extraordinary resistance tocrocking, good adhesive force, abrasion resistance, acid and alkali-resistance
Corrosivity and the performances such as anti-mildew, are modern architecture heat-insulation and heat-preservation field function admirable, strong applicability, one kind with high content of technology
Novel building heat preserving and insulating material.
Power saving function coating cost for building can be more much higher than common coating, but functional coating and common coating exist
Naked eyes can not identify that the function of the difference and coating that how to detect these coating becomes a big problem at all after construction.
By retrieval discovery patent announcement number be CN102980911A a kind of insulating moulding coating equivalent thermal resistance detection device and
Detection method is specifically connect with detector signal using thermocouple with solar radiation sensor, detector and computing terminal
Signal connection；Detection method includes using the thermoelectricity of glue adhesive band sheet metal respectively at the middle part of multiple exterior wall external surfaces
It is even；After glue to be pasted parches securely, in outer exterior surface of wall brushing insulating moulding coating and common coating respectively；Needs are allowed to detect outer
Wall receives solar radiation, acquires data with solar radiation sensor；Solar radiation sensor continuous acquisition chose it after seven days
In four days valid data be transmitted to computing terminal, the equivalent heat of the detection wall insulating moulding coating is extrapolated in conjunction with software for calculation
Resistance.By the above-mentioned means, the technology can be for condition required for insulating moulding coating on-site test, in conjunction with live winer construction side
Method accurately acquires data and participates in calculating, and the curve for capableing of effectively output temperature is analyzed, and the equivalent of insulating moulding coating is extrapolated
Thermal resistance.
But above-mentioned technology is a kind of method of inspection of unstable state.Error is influenced greatly to 50% by weather, and the testing time is long.
It is expensive, not applicable, and it is only suitable for the material of conduction heat transfer, be not suitable for the thermo-resistance measurement of radiation heat insulation material, while other
It also there is no the detection device and method that can detect coating power saving function in the prior art.Thus there are false coating, coating inferior
It is recognized use, so that massive losses are caused to country and user, so that really with the fabulous advanced high-tech in the whole world
Environment-friendly materials, insulating mold coating can not be examined quickly and effectively be promoted.
Utility model content
For overcome it is above-mentioned there are deficiency, the inventor of the utility model passes through long-term explorations trial and multiple reality
It tests and effort, keeps reforming and innovate, propose equivalent thermal resistance and the thermal coefficient detection of a kind of insulating mold coating for building
Equipment.
Its specific technical solution is: equivalent thermal resistance and the thermal coefficient detection of a kind of insulating mold coating for building are set
It is standby, including heat source and incubator, it is equipped with partition (bottom plate i.e. described herein) in the incubator, the partition will be kept the temperature
Case is divided into two mutually independent test chambers and heating chamber；The heat source is connected to heating chamber provides stable heat for heating chamber
Can, mounting rack is provided in the test chamber, there is two layers or two layers or more of mounting plate on the mounting rack, on the mounting plate
It is provided with data collector, the cabinet inner top of the incubator is divided into painting apply flitch to be measured and comparison painting apply flitch.
According to a kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building described in the utility model,
Further technical solution is for it: the data collector is thermocouple and heat flow density piece, and thermocouple connects moisture recorder,
Heat flow density piece connects heat flow density recorder.
According to a kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building described in the utility model,
Further technical solution is for it: the heat source is boiling water constant temperature boiler, passes through water inlet between boiling water constant temperature boiler and incubator
Pipe is connected to outlet pipe, and forming water circulation heating keeps the temperature in incubator relatively stable.
According to a kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building described in the utility model,
Further technical solution is for it: the heating chamber is constituted by inside and outside two layers, and internal layer is stainless steel, and outer layer is thermal insulation material, is surveyed
Examination chamber is made of nonmetallic insulation board.
According to a kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building described in the utility model,
Further technical solution is for it: the mounting plate in the test chamber is rice type non-metallic plates.
According to a kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building described in the utility model,
Further technical solution is for it: the top plate of the partition and incubator inner top is all standard plastic plate or glass.
According to a kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building described in the utility model,
Further technical solution is for it: the spacing between the partition and incubator inner top top plate is greater than 1000mm, cabinet length
Greater than 2000mm.
According to a kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building described in the utility model,
Further technical solution is for it: support frame is provided in the heating chamber, the support frame is tightly attached on four peripheral wall of heating chamber,
The partition is mounted on support frame.
Compared with prior art, the technical solution of the utility model have the following advantages that/the utility model has the advantages that
1) the utility model test is simple, and the testing time is short, it is only necessary to the time in 7 minutes.
It 2) is the closed test under same environment when the utility model is tested, accuracy is high.
3) device structure of the utility model is simple, equipment cost is low, and testing cost is low, is suitble to be widely popularized.
The utility model can quantitatively design the equivalent thermal resistance of the heat-insulated resistance of insulating mold coating for building, according to equivalent
Thermal resistance size can respectively tell the true and false and superiority and inferiority of insulating mold coating using unit and testing agency.Global demand has this set
Meter generates as early as possible, and application market prospect is very good, has fabulous promotional value.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is equipment diagrammatic cross-section in the utility model.
In figure: incubator 1, test chamber 101, heating chamber 102, support frame 103, partition 2, mounting rack 3, mounting plate 301, heat
Current density piece 4, thermocouple 5, top plate 6, heat source 7, water inlet pipe 701, outlet pipe 702.
Specific embodiment
Attached drawing is described in detail in the utility model embodiment, to the technical solution in utility model embodiment
It is clearly and completely described, it is clear that described embodiment is a part of embodiment of the utility model, rather than complete
The embodiment in portion.Based on the embodiment in utility model, those of ordinary skill in the art are not making creative work
Under the premise of every other embodiment obtained fall within the protection scope of the utility model.Therefore, below in the accompanying drawings
The detailed description of the embodiments of the present invention of offer is not intended to limit the range of claimed invention, and
It is the selected embodiment for being merely representative of the utility model.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then it further can not be defined and explained in subsequent attached drawing.
Embodiment
As shown in Figure 1, 2, the utility model provide a kind of insulating mold coating for building equivalent thermal resistance and thermally conductive system
Number detection device.The detection device includes heat source 7 and incubator 1, and heat source is connected to heating chamber and provides for heating chamber stable
Thermal energy.Wherein heat source 7 is using boiling water constant temperature boiler.Then one support frame 103, support frame are installed in incubator 1
103 are tightly attached on 1 inner wall of incubator, and its height is less than the inner space height of incubator 1.Then pacify on support frame 103
It fills the partition 2 made of plastic plate (bottom plate i.e. described herein), incubator 1 is divided into two mutually solely by such partition 2
Vertical space, respectively test chamber 101 and heating chamber 102.Then heating chamber 102 passes through water inlet pipe 701 and outlet pipe 702 and boiling water
The connection of constant temperature boiler, forming water circulation heating keeps the temperature in incubator relatively stable.Heating chamber 102 is formed by two layers, outer layer
For adiabator layer, internal layer is stainless steel layer, to outer heat insulation while may be implemented internal thermally conductive in this way.
Mounting rack 3 is provided in the test chamber 101, mounting rack 3 is using stainless steel frame.Then on mounting rack 3
There is two layers or two layers or more of rice font nonmetallic materials mounting plate 301, is arranged on mounting plate 301 for acquiring related data
Heat flow density piece 4 and thermocouple 5, which uses non-metallic plates, so that test result is more accurate.
When installation, the both ends of heat flow density piece 4 respectively fill a thermocouple 5, and thermocouple 5 connects moisture recorder, and heat flow density piece 4 connects
Heat flow density recorder.Then every two thermocouple and a heat flow density piece matched combined form a test point, main to use
In the space temperature and the heat flow of unit time of detection coating.Multiple tests are installed on every layer of mounting plate 301 as needed
So that acquisition data are more accurate, the test point between every layer is in same vertical line point.The cabinet top of the incubator
Plate is set as the top plate 6 of plastic plate production, and top plate 6 has been divided into painting apply flitch to be measured and comparison painting apply flitch two parts.Specific setting
When top plate 6 and partition 2 between spacing be greater than 1000mm, cabinet length is greater than 2000mm, it is such apart from size be because of body
Product is big, and the error of test is just small.
The top panel (top plate) of incubator 1 described in the present embodiment is standard plastic plate, and each face of the test chamber on top is to protect
Warm plate, each panel of the heating chamber of lower part are made of outer layer standard incubation plate and internal layer standard stainless steel plate.That measures in this way is equivalent
Thermal resistance index will not be affected because of materials variances.
Within a certain period of time, the thermal resistance average value of each measuring point of coating portion to be measured subtracts the concrete operating principle of this detection device
Compare each measuring point thermal resistance average value of coating portion, as architectural heat insulation coating equivalent thermal resistance.
The specific detection method is as follows for the utility model:
Itself the following steps are included: the area (painting apply flitch to be measured) of 6 half of top plate in equipment is coated coating to be measured, the other half
Common plastics plate tabula rasa or comparison coating are set on the area of (comparison painting apply flitch)；All coating in the present embodiment with a thickness of
0.3mm, due to manually smearing, difference in thickness is controlled within 10%.
Equipment preheating: opening heat source, until the temperature in incubator is stablized；
Data acquisition: pass through heat flow density needed for data collector acquisition；
Equivalent thermal resistance calculates: Computing Principle is: architectural heat insulation coating blocking radiant heat equivalent thermal resistance Re calculation formula
Are as follows: Re=R "j-R'i
In formula:
R″j: the radiant heat flux density equivalent for applying vertical direction between insulating mold coating plastic plate and bottom plate is thermally conductive heat
The thermal resistance of current density；
R′i: it is thermally conductive for being not coated with the radiant heat flux density equivalent of vertical direction between insulating mold coating plastic plate and bottom plate
The thermal resistance of heat flow density；
Wherein R "jWith R 'iAlgorithm it is identical all, specially
In formula: S is the distance between each measuring point and corresponding measuring point (between two measuring points when being the measurement temperature difference
Away from)；
Temperature difference of the Δ T between test point；
Δ t is the interval time tested every time；
Q is heat flow density；
Δ X spacing between test point.
And the calculation method about insulating mold coating equivalent thermal resistance for building:
It is according to Fu Liye law:
Q is the unit time to conduct heat；A is heat transfer base plate (partition) area；λ is thermal coefficient；For temperature gradient.
Therefore it can obtain to I part of top plate (top plate portion for being not coated with the top plate portion of coating or the comparison coating of painting) in Δ
The heat transmitted in the t time:
The heat transmitted within the Δ t time to II part of top plate (partial panels for being coated with coating to be measured):
λ1、λ2The respectively thermal coefficient of top plate I part and II part, A1、A2Respectively I part of top plate and II part
Area.
Only considered when calculating when the heat of vertical direction transmitting simultaneously: and have(A is heat transfer base plate
Area/partition area)；
The thermal resistance that I part is transmitted within the Δ t time
The thermal resistance that II part is transmitted within the Δ t time
(Δ t is the test interval)
It will 3. substitute into 1.；4. 2. substituting into then has
λ1For I part equivalent heat conductivity of top plate；λ2For II part equivalent heat conductivity of top plate；
Then have:
I part of top plate:
It can be obtained
It can be obtained
Wherein: (the equivalent thermal resistance that thermal resistance R ' is I part of top plate) (the equivalent thermal resistance that thermal resistance R " is II part of top plate)
The then average equivalent thermal resistance of II part of top plate are as follows:
N is indicated in formula: the number of I part or II part thermal resistance, two-part thermal resistance number are identical.
Therefore insulating mold coating equivalent thermal resistance can be obtained are as follows: Re=R "j-R'i, insulating mold coating average equivalent thermal resistance are as follows:The Equivalent Thermal Conductivities of insulating mold coating:
To obtain the equivalent thermal resistance (average equivalent thermal resistance) of above-mentioned architectural heat insulation coating.
In above-mentioned formula: i is i-th of I part of top plate measuring point；J is j-th of II part of top plate measuring point；I part of top plate does not apply
Coating or the coating applied are different coating from the coating (insulating mold coating for building) on top plate II.
The detection method be detection device room temperature be 25 DEG C, water content in air are as follows: complete in 60% ± 5%
At.
The present embodiment has selected three kinds of tabula rasa, insulating mold coating and reflective heat-insulation paint different coating to carry out test survey
Examination, test point is upper layer and lower layer, and thermocouple and current density piece are only provided with two layers of phase, therefore the S in formula is at this moment
For the spacing between bottom plate (i.e. partition 2) and top plate.The case where it is detected is as shown in table 1.Table 1 is that insulating mold coating is equivalent
Thermo-resistance measurement table.
Table 1
Data in table are inserted in calculation formula, so as to calculate the equivalent thermal resistance of various materials.Simultaneously from table
Data can be seen that the detection method of the utility model have quickly, the technological merits such as accurate, be completely suitable for thermal insulation separation
The detection of hot coating property, to differentiate the true and false.
Equivalent thermal resistance described herein is: each test point heat radiation heat flow density equivalent of cabinet space is in the thermally conductive of space
The thermal resistance that heat flow density calculates.
Equivalent thermal resistance is: since insulating mold coating is the mechanism and effect of blocking radiant heat, applying thermal insulation coatings part and hangs down
Straight corresponding space temperature increases, and equivalent thermal resistance increases, and is equivalent to the increase of insulating mold coating thermal resistance, and equivalent speed view resistance is heat preservation
The equivalent thermal resistance of insulating moulding coating.
Equivalent heat conductivity is: equivalent thermal resistance calculates the thermal coefficient of each measuring point of cabinet space.
Equivalent Thermal Conductivities are: the thermally conductive system calculated according to the thickness gauge of insulating mold coating equivalent thermal resistance and thermal insulation coatings
Number is the Equivalent Thermal Conductivities (virtual thermal coefficient) of insulating mold coating.
In utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation "
Equal terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be machinery
Connection, is also possible to be electrically connected；It can be directly connected, two elements can also be can be indirectly connected through an intermediary
The interaction relationship of internal connection or two elements.It for the ordinary skill in the art, can be according to specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. the equivalent thermal resistance and thermal coefficient detection device of a kind of insulating mold coating for building, it is characterised in that: including heat source
And incubator, partition is installed in the incubator, the partition by incubator be divided into two mutually independent test chambers and
Heating chamber；The heat source is connected to heating chamber and provides stable thermal energy for heating chamber, and mounting rack, institute are provided in the test chamber
The mounting plate for having two layers or two layers or more on mounting rack is stated, data collector is provided on the mounting plate, the incubator
Cabinet inner top is divided into painting apply flitch to be measured and comparison painting apply flitch.
2. the equivalent thermal resistance and thermal coefficient detection device of a kind of insulating mold coating for building according to claim 1,
It is characterized in that, the data collector is thermocouple and heat flow density piece.
3. the equivalent thermal resistance and thermal coefficient detection device of a kind of insulating mold coating for building according to claim 1,
It is characterized in that, the heat source is boiling water constant temperature boiler, pass through water inlet pipe and outlet pipe between boiling water constant temperature boiler and incubator
Connection, forming water circulation heating keeps the temperature in incubator relatively stable.
4. the equivalent thermal resistance and thermal coefficient detection device of a kind of insulating mold coating for building according to claim 1,
It is characterized in that, the heating cavity segment is constituted by inside and outside two layers, wherein internal layer is stainless steel, and outer layer is thermal insulation material, test
Chamber is made of nonmetallic insulation board.
5. the equivalent thermal resistance and thermal coefficient detection device of a kind of insulating mold coating for building according to claim 1,
It is characterized in that, the mounting plate in the test chamber is rice type non-metallic plates.
6. the equivalent thermal resistance and thermal coefficient detection device of a kind of insulating mold coating for building according to claim 1,
It is characterized in that, the partition and heat preservation roof box are plastic plate.
7. the equivalent thermal resistance and thermal coefficient detection device of a kind of insulating mold coating for building according to claim 1,
It is characterized in that, the spacing between the partition and heat preservation roof box is greater than 1000mm.
8. the equivalent thermal resistance and thermal coefficient detection device of a kind of insulating mold coating for building according to claim 1,
It is characterized in that, being provided with support frame in the heating chamber, the support frame is tightly attached on four peripheral walls of heating chamber, the partition
It is mounted on support frame.
9. the equivalent thermal resistance and thermal coefficient detection device of a kind of insulating mold coating for building according to claim 2,
It is characterized in that, the thermocouple connects moisture recorder.
10. the equivalent thermal resistance and thermal coefficient detection device of a kind of insulating mold coating for building according to claim 2,
It is characterized in that, the heat flow density piece connects heat flow density recorder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821442971.1U CN208766130U (en) | 2018-09-04 | 2018-09-04 | A kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building |
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| CN201821442971.1U CN208766130U (en) | 2018-09-04 | 2018-09-04 | A kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896605A (en) * | 2018-09-04 | 2018-11-27 | 成都市科创节能材料有限公司 | A kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building |
| CN110568262A (en) * | 2019-07-19 | 2019-12-13 | 成都市科创节能材料有限公司 | Equipment and method for steady-state detection of heat-insulating coating |
| CN115266814A (en) * | 2022-06-21 | 2022-11-01 | 安徽万瑞冷电科技有限公司 | Low-temperature thermal conductivity measuring device and measuring method |
-
2018
- 2018-09-04 CN CN201821442971.1U patent/CN208766130U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896605A (en) * | 2018-09-04 | 2018-11-27 | 成都市科创节能材料有限公司 | A kind of equivalent thermal resistance and thermal coefficient detection device of insulating mold coating for building |
| CN108896605B (en) * | 2018-09-04 | 2024-06-25 | 成都市科创节能材料有限公司 | Equivalent thermal resistance and heat conductivity coefficient detection equipment of heat preservation and heat insulation coating for building |
| CN110568262A (en) * | 2019-07-19 | 2019-12-13 | 成都市科创节能材料有限公司 | Equipment and method for steady-state detection of heat-insulating coating |
| CN115266814A (en) * | 2022-06-21 | 2022-11-01 | 安徽万瑞冷电科技有限公司 | Low-temperature thermal conductivity measuring device and measuring method |
| CN115266814B (en) * | 2022-06-21 | 2023-06-27 | 安徽万瑞冷电科技有限公司 | Low-temperature thermal conductivity measuring device and measuring method |
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