CN109085199A - Detect the device and method of insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities - Google Patents
Detect the device and method of insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities Download PDFInfo
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Abstract
The present invention relates to the device and method of a kind of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities, equipment includes heat source and incubator, the incubator includes the first incubator and the second incubator, and the heat source is mounted in incubator, is additionally provided with data collector in the incubator；Detection method uses method of comparison, by insulating mold coating brushing on the first incubator and the first bottom plate, any coating is not applied on second incubator, the temperature that different time in detection process is recorded by moisture recorder, the interval value of its equivalent thermal resistance and Equivalent Thermal Conductivities is calculated by the height of the mean temperature of two cabinets.The present invention can quantitatively calculate the equivalent thermal resistance interval value 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.Also there is the foundation for detecting and supervising in detection superintendent office in this way, and architectural design personnel also have method to carry out energy-saving design in construction.
Description
Technical field
The invention belongs to building coating detection technique fields, and in particular to one kind is by method of comparison to the heat-insulated painting of building heat preservation
The device and method that material equivalent thermal resistance interval value and Equivalent Thermal Conductivities interval value are detected.
Background technique
Thermal insulation paint for building is with efficiently to sunlight and the wide wave amplitude of remote middle near-infrared, heat radiation with barrier
It is heat-insulated and insulation effect, excellent anti-ultraviolet property, extraordinary resistance tocrocking, good adhesive force, abrasion resistance, acidproof resistance to
Corrosivity and the performances such as anti-mildew.Thermal insulation paint is modern architecture heat-insulation and heat-preservation field function admirable, strong applicability, technology
A kind of high novel barrier heat radiation building heat preservation heat-barrier material of content.
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 hot property 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 hair of the detection wall insulating moulding coating is extrapolated in conjunction with software for calculation
It is bright.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, is influenced error greatly to 50% by weather, the testing time is long,
It is expensive, it is not suitable for, and be only suitable for the thermal resistance detection of the material of conduction heat transfer, the thermal resistance for being not suitable for radiation heat insulation material is surveyed
Examination.Other also there is no the detection device and method that can detect coating power saving function in the prior art simultaneously.Thus have false coating,
Coating inferior is also recognized use, so that massive losses are caused to country and user, so that really first with the fabulous whole world
Into high-tech environment-friendly materials, insulating mold coating can not examine quickly and effectively be promoted.
Summary of the invention
In consideration of it, in order to solve it is above-mentioned there are deficiency, the present inventor attempted and more by long-term exploration
Secondary experiment and effort, keeps reforming and innovates, in order to solve the above technical problems, used specific technical solution there is provided
A kind of device and method detecting insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities, can quickly and easily detect to protect
The equivalent thermal resistance interval value of warm insulating moulding coating and the interval value of Equivalent Thermal Conductivities.
Present invention firstly provides the equipment of a kind of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities, including
Heat source and incubator, the incubator include the first incubator and the second incubator, and two incubators are mutually indepedent, and two incubators
Structure it is identical with making material, the heat source is mounted in incubator, and the incubator is mounted on the base, the incubator
Inside it is additionally provided with data collector.
The equipment of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities according to the present invention, further
Technical solution be: the heat source is boiling water, and boiling water is placed on the centre of incubator.
The equipment of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities according to the present invention, further
Technical solution be: the boiling water is contained in salable and nonmetallic heat conductive container.
The equipment of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities according to the present invention, further
Technical solution be: the incubator is assembled by bottom plate and shell, and the shell is fixed on bottom plate by sealant, institute
State tank thickness of the tank thickness less than the second incubator of the first incubator.
The equipment of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities according to the present invention, further
Technical solution be: the thickness of the bottom plate and case material is identical specific using insulation board, sets at the case top center
There is circular hole, connecting rod is installed at the circular hole, connecting rod one end is protruded into incubator, and one end is placed in outside incubator.
The equipment of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities according to the present invention, further
Technical solution be: connecting rod two sides of one end in incubator are provided with mounting bar, are provided on the mounting bar
Data collector, connecting rod are equipped with moisture recorder on one end outside incubator.
The equipment of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities according to the present invention, further
Technical solution be: the data collector is thermocouple, and the thermocouple connects moisture recorder, the specially company of thermocouple
Wiring is tightly attached to connection rod outer surface and is connected to moisture recorder along connecting rod.
The equipment of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities according to the present invention, further
Technical solution be: the first cabinet and second case intracorporal spatial volume size are identical.
The equipment of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities according to the present invention, further
Technical solution be: spacing between first incubator and the second incubator is greater than 1000mm.
The present invention also provides a kind of methods of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities, including with
Lower step:
A. the brushing insulating mold coating inside the first incubator, the second incubator inside are brushed comparison coating or are not applied
Material, method of comparison are tested and analyzed；
B. two identical heat sources are individually positioned in the first incubator and the second incubator, install data acquisition
Data collector is connect by device with moisture recorder；
C. start to detect after equipment is installed, record the temperature in the first incubator and the second incubator respectively, often
5min record is primary, and detection time is not more than 40min；When heat source is constant temperature heat source, and the intracorporal temperature of test box keeps constant temperature,
Then detection time does not limit.After the completion of detection, by equivalent thermal resistance and thermal coefficient that architectural heat insulation coating is calculated.
Compared with prior art, technical solution of the present invention has the advantages that
1. the configuration of the present invention is simple, easy to operate, it to be used for architectural heat insulation coating equivalent thermal resistance and Equivalent Thermal Conductivities
The detection of interval value.The present invention has detection simple, and detection time is short, and equipment cost is low, and testing cost is low, is suitble to be widely popularized
The features such as.
2. the present invention is by contrived experiment group and control group, and experimental group and control group are closed under same environment
Test, so that testing result is accurate, can also quantitatively calculate the equivalent of the blocking radiant heat of insulating mold coating for building
Thermal resistance interval value, so that judging that the true and false of architectural heat insulation coating and superiority and inferiority are simpler.
3. by heat specifically for boiling water, mainly 100 DEG C of infrared waves occurred by chamber wall of boiled water temperature in the present invention
Wave amplitude, close to room (experimental situation) heating occur infrared waves wave amplitude so that experiment data it is more accurate.
4. the connecting line of thermocouple is tightly attached to connection rod outer surface by the present invention, connecting line and connecting rod are wrapped up in adhesive tape
Tightly, it is then connect with moisture recorder, has been avoided as much as a possibility that connecting line brings cabinet inner air and outer air to circulate in this way,
To further ensure that the intracorporal true temperature of case, the accuracy of test is improved.
5. the present invention can quantitatively calculate the equivalent thermal resistance interval value of the blocking radiant heat of insulating mold coating for building,
The true and false and superiority and inferiority of insulating mold coating can be respectively told using unit and testing agency according to equivalent thermal resistance size.It detects in this way
The foundation that superintendent office also has detection to supervise, architectural design personnel also have method to carry out energy-saving design in construction.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is test equipment structural schematic diagram in the embodiment of the present invention 1.
The schematic cross-sectional view of this Fig. 1 of Fig. 2.
Fig. 3 is test equipment structural schematic diagram in the embodiment of the present invention 2.
Fig. 4 is the schematic cross-sectional view of Fig. 3.
Figure acceptance of the bid note is respectively as follows: 1 pedestal；2 first insulation boards；3 first shells；4 first incubators；5 first insulation boards；6
Second shell；7 second incubators；8 moisture recorders；9 heat sources；10 connecting rods；11 thermocouples；12 mounting bars；Insulation board 2-1,
Shell 3-1, container 4-1.
Specific embodiment
Attached drawing is described in detail in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that described embodiment is a part of embodiment of the invention, rather than whole implementation
Mode.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.Therefore, of the invention to what is provided in the accompanying drawings below
The detailed description of embodiment is not intended to limit the range of claimed invention, but is merely representative of of the invention select
Embodiment.
Embodiment 1
As shown in Figure 1, 2, present invention firstly provides a kind of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities
Equipment.The detection device includes heat source 9 and incubator, and incubator includes the first incubator 4 and the second incubator 7, and first protects
Incubator 4 and the second incubator 7 are placed on side by side on pedestal 1, and the spacing between the first incubator 4 and the second incubator 7 is greater than
1000mm.By the comparison of testing result in two cabinets, the true and false and superiority and inferiority of architectural heat insulation coating are judged, spacing is set
It is in order to avoid two cabinets closely allow respective heat to be obscured very much, so that testing result is inaccurate.
Boiling water is contained in sealable nonmetallic heat conductive container by heat source 9 using boiling water, and container is thermally conductive
Coefficient is big, and such as plastic barrel, allowing heat source 9 to distribute, heat is fast, and detection speed is fast；Heat source 9 is placed on the centre of incubator, allows and distributes
Even heat be distributed in cabinet so that testing result is accurate, two intracorporal boiled water temperatures of case are identical with weight.
First incubator 4 is made of the first insulation board 2 and first shell 3, and first shell 3 is fixed on first by sealant
On insulation board 2, circular hole is additionally provided at the top of first shell 3.Second incubator 7 is made of the second insulation board 5 and second shell 6,
Second shell 6 is fixed on the second insulation board 5 by sealant, is additionally provided with circular hole at the top of second shell 6.First incubator 4
Tank thickness less than the second incubator 7 tank thickness, in order to preferably detect the effect of insulating mold coating；Keep the temperature plate thickness
The consistency of thickness of degree and shell, it is ensured that the accuracy of testing result.The making material of first incubator and the second incubator is identical,
The insulation board of each cabinet and the thickness of shell are identical.
As shown in Fig. 2, being also equipped with detection device on shell, detection device is mounted on shell by connecting rod 10, is examined
Surveying device includes data collector and moisture recorder 8, and data collector is thermocouple 11.Cabinet is protruded into 10 one end of connecting rod
Interior, one end is set outside the enclosure；The intracorporal one end of case is protruded into equipped with mounting bar 12, thermocouple 11 is located on mounting bar 12, cabinet
Outer one end is equipped with moisture recorder 8.Mounting bar 12 is located at the two sides of 10 lower end of connecting rod, there is 3 respectively, and totally 6；Thermoelectricity
Even 11 are located on the one end of mounting bar 12 far from connecting rod 10, and thermocouple 11 is also equipped with 6.Thermocouple 11 and moisture recorder
8 are electrically connected, and record the temperature in detection process by moisture recorder 8, convenient for calculating architectural heat insulation coating and right
Than coating or the equivalent thermal resistance and thermal coefficient interval value of tabula rasa.
Embodiment 2:
As shown in Figure 3,4: the present embodiment is at least made of two cabinets of the first incubator and the second incubator, wherein first
Incubator be test cabinet, the second incubator be test comparison cabinet, two cabinets are mutually indepedent, and between two cabinets between
Away from 1m is greater than, mutually transmitting to avoid the thermal energy between two cabinets influences test effect.Two cabinets are all using thermal insulating material
Material is made, specifically using cystosepiment in the present embodiment.Two body structures are identical, and the intracorporal space size of case is identical, the
The tank thickness of one cabinet is 10mm less than the thickness of the second cabinet, the specially tank thickness of the first cabinet, the second cabinet
Tank thickness is 50mm.
The specific structure of two tanks are as follows: it all includes insulation board 2-1 and shell 3-1, and wherein shell 3-1 is square,
Bottom is opening.A container 4-1 is placed in the middle position the insulation board 2-1, and 100 DEG C of boiling water is filled in container 4-1, and
Boiling water, which is sealed in container 4-1, forms heat source, and container 4-1 can be made of nonmetallic Heat Conduction Material, in the present embodiment
Using plastic cup with cover.Then the bottom open end of shell 3-1 is buckled on insulation board 2-1 and will be connected with sealant
That locates is sealed around, and thus container 4-1 is sealed in cabinet.It is additionally provided with circular hole at the top of shell 3-1, is installed on circular hole
There is detection device, detection device is made of moisture recorder 8 and data collector.10 one end of connecting rod passes through circular hole and is located at heat preservation
In case, the other end stays in outside thermal-insulating body and installs moisture recorder 8.Data collector is thermocouple 11, and in two cabinets
Thermocouple quantity it is identical.Connecting rod 10 protrudes into the intracorporal one end of case equipped with mounting bar 12, and mounting bar 12 and connecting rod 10 are adopted
With the heat-insulating material for being made of, thermocouple 11 is located on mounting bar 12, and one end outside cabinet is equipped with moisture recorder 8.Thermoelectricity
Even 11 are electrically connected with moisture recorder 8, record the temperature in detection process by moisture recorder 8.The present embodiment is by pedestal
It is divided into two independent parts, therefore further reduced a possibility that two cabinets influence each other.
Shell 3-1 in the present embodiment in two cabinets in the same cabinet is identical as the material of insulation board 2-1 and thickness.
Based on above-mentioned test equipment, the present invention also provides a kind of detection insulating mold coating equivalent thermal resistances and equivalent thermally conductive system
Several methods, comprising the following steps:
A. on 4 cabinet of the first incubator and the first insulation board 5 brushing insulating mold coating (i.e. by the first incubator and
Whole coating as above on the test cabinet of one insulation board composition), coating can be coated on inner wall, can also be applied on the outer wall, be applied
Expect that thickness is no more than 0.0003m, not coating on 7 cabinet of the second incubator passes through method of comparison analysis detection result；
B. two glasss 100 DEG C of boiling water is being individually positioned in the intracorporal bottom of case of the first incubator 4 and the second incubator 7 just
Center installs thermocouple 11, and thermocouple 11 is connect with moisture recorder 8；
C. start to be detected after equipment is installed, record the temperature in the first incubator 4 and the second incubator 7 respectively
Degree, every 5min record is primary, and detection time is not more than 40min, is not in this way constant temperature because of boiling water in case, radiations heat energy it is big
Temperature is impacted, therefore can detect accuracy more than 40min and will receive influence；After the completion of detection, protected by the way that building is calculated
Warm insulating moulding coating and comparison coating or not the equivalent thermal resistance interval value and Equivalent Thermal Conductivities interval value of coating.
Calculating content is that equivalent thermal resistance interval value and Equivalent Thermal Conductivities interval value, calculation are as follows:
If the first incubator 4 is A case, the second incubator 7 is B case；
Paint thickness is set as 0.0003m, all test n times simultaneously in two cabinets, 5 minutes every time, is in two casees of A, B
Gradient installs identical measuring point, and the relative dimensional position coordinates of two intracorporal test points of case are identical, and the quantity of measuring point is M
It is a；Following result then can be obtained:
Wherein:For the mean temperature of s measuring point of i-th in A box space；
For the mean temperature of r measuring point of jth in B box space time；
The mean temperature tested for n times in A box space；
The mean temperature tested for n times in B box space；
ATisFor the temperature of s-th of measuring point of i-th in A box space；
BTjrFor the temperature of r-th of measuring point of jth in B box space time；
Based on thermal resistance, then heat output is small greatly, then the high principle of space temperature；To according to the relationship of thermal resistance and thermal coefficient
:
It is inversely proportional, then had according to thermal resistance and thermal coefficient:
According to test temperature, ifThen there is RA+RA coating≥RB；
To obtain insulating mold coating equivalent thermal resistance interval value are as follows: RA coating≥RB-RA
Coating Equivalent Thermal Conductivities interval value:
IfThen there is RA+RA coating< RB；
To obtain insulating mold coating equivalent thermal resistance interval value: RA coating< RB-RA
Coating Equivalent Thermal Conductivities interval value:
In formula: RAFor the thermal resistance of A case insulation board；
SAPlate thickness is kept the temperature for A case；
λAFor the thermal coefficient of A case insulation board；
RBFor the thermal resistance of B case insulation board；
SBPlate thickness is kept the temperature for B case；
λBFor the thermal coefficient of B case insulation board；
RA coatingFor the equivalent thermal resistance of A case coating；
λA coatingFor the Equivalent Thermal Conductivities of A case coating.
The thickness of insulation board and thermal coefficient can be tested by tool in the present invention, will test resulting insulation board
It is to be tested that institute can be obtained in the parameters such as thickness, case body temperature, insulation board thermal coefficient and paint thickness substitution above-mentioned formula
Coating Equivalent Thermal Conductivities interval value and coating equivalent thermal resistance interval value.
Test environment temperature in the present embodiment is 25 DEG C, and water content (humidity) is 60% ± 10% in surrounding air.
Boiling water can also be replaced using constant temperature heat source in the present invention.
The first heretofore described cabinet, the second cabinet quantity can correspondingly be increased according to the case where actual test
Add, the thickness of cabinet, the size of cabinet can be adjusted according to the case where actual environment.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term 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 mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, is not departing from scope of the invention, several improvements and modifications can also be made, these improvement
It also should be regarded as protection scope of the present invention with retouching.
Claims (10)
1. the equipment of a kind of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities, it is characterised in that: including heat source and
Incubator, the incubator include the first incubator and the second incubator, and two incubators are mutually indepedent, and the structure of two incubators
Identical with making material, the heat source is mounted in incubator, and the incubator is mounted on the base, and is also set in the incubator
There is data collector.
2. the equipment of detection insulating mold coating equivalent thermal resistance according to claim 1 and Equivalent Thermal Conductivities, feature
It is, the heat source is boiling water, and boiling water is placed on the centre of incubator, and the boiling water is contained in salable and nonmetallic leads
In heat container.
3. the equipment of detection insulating mold coating equivalent thermal resistance according to claim 1 and Equivalent Thermal Conductivities, feature
It is, the incubator is assembled by bottom plate and shell, and the shell is mounted on bottom plate by sealant, and described first protects
Tank thickness of the tank thickness of incubator less than the second incubator.
4. the equipment of detection insulating mold coating equivalent thermal resistance according to claim 3 and Equivalent Thermal Conductivities, feature
It is, the thickness of the bottom plate and case material is identical specific to use insulation board, is equipped with circular hole, institute at the case top center
It states and connecting rod is installed at circular hole, connecting rod one end is protruded into incubator, and one end is placed in outside incubator.
5. the equipment of detection insulating mold coating equivalent thermal resistance according to claim 4 and Equivalent Thermal Conductivities, feature
It is, connecting rod two sides of one end in incubator are provided with mounting bar, and data acquisition is provided on the mounting bar
Device, connecting rod are equipped with moisture recorder on one end outside incubator.
6. the equipment of detection insulating mold coating equivalent thermal resistance according to claim 5 and Equivalent Thermal Conductivities, feature
It is, the data collector is thermocouple, and the thermocouple connects moisture recorder, and the specially connecting line of thermocouple is close to
Moisture recorder is connected to along connecting rod in connection rod outer surface.
7. the equipment of detection insulating mold coating equivalent thermal resistance according to claim 1 and Equivalent Thermal Conductivities, feature
It is, first cabinet and second case intracorporal spatial volume size are identical.
8. the equipment of detection insulating mold coating equivalent thermal resistance according to claim 1 and Equivalent Thermal Conductivities, feature
It is, the spacing between first incubator and the second incubator is greater than 1000mm.
9. a kind of method of detection insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities, comprising the following steps:
A. the brushing insulating mold coating on the first heat preservation tank shell and the first insulation board, second keeps the temperature not painting on tank shell
Material, method of comparison are tested and analyzed；
B. the identical boiling water of two glasss of temperature is individually positioned in the first incubator and the second incubator, installs data acquisition
Data collector is connect by device with moisture recorder；
C. start to detect after equipment is installed, record the temperature in the first incubator and the second incubator respectively, every 5min with
Interior record is primary, and detection time is less than 40min；After the completion of detection, by the equivalent heat that architectural heat insulation coating is calculated
Resistance and Equivalent Thermal Conductivities.
10. the side of a kind of detection architectural heat insulation coating equivalent thermal resistance according to claim 9 and Equivalent Thermal Conductivities
Method, wherein equivalent thermal resistance and Equivalent Thermal Conductivities calculation are as follows:
Equivalent thermal resistance:
If the first incubator is A case, the second incubator is B case；
Paint thickness is set as 0.0003m, all tests n times simultaneously in two cabinets, 5 minutes every time, two case inside gradient peaces of A, B
It is identical to fill measuring point number, is M, three-dimensional location coordinates are identical；Following result then can be obtained:
Wherein:For the mean temperature of s measuring point of i-th in A box space；
For the mean temperature of r measuring point of jth in B box space time；
The mean temperature tested for n times in A box space；
The mean temperature tested for n times in B box space；
ATisFor the temperature of s-th of measuring point of i-th in A box space；
BTjrFor the temperature of r-th of measuring point of jth in B box space time；
Based on thermal resistance, then heat output is small greatly, then the high principle of space temperature；To be obtained according to the relationship of thermal resistance and thermal coefficient:
It is inversely proportional, then had according to thermal resistance and thermal coefficient:
According to test temperature, ifThen there is RA+RA coating≥RB；
To obtain insulating mold coating equivalent thermal resistance interval value are as follows: RA coating≥RB-RA
Coating Equivalent Thermal Conductivities interval value:
IfThen there is RA+RA coating< RB；
To obtain insulating mold coating equivalent thermal resistance interval value: RA coating< RB-RACoating Equivalent Thermal Conductivities interval value:
In formula: RAFor the thermal resistance of A case insulation board；
SAPlate thickness is kept the temperature for A case；
λAFor the thermal coefficient of A case insulation board；
RBFor the thermal resistance of B case insulation board；
SBPlate thickness is kept the temperature for B case；
λBFor the thermal coefficient of B case insulation board；
RA coatingFor the equivalent thermal resistance of A case coating；
λA coatingFor the Equivalent Thermal Conductivities of A case coating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079432.0A CN109085199A (en) | 2018-09-17 | 2018-09-17 | Detect the device and method of insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities |
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| CN201811079432.0A CN109085199A (en) | 2018-09-17 | 2018-09-17 | Detect the device and method of insulating mold coating equivalent thermal resistance and Equivalent Thermal Conductivities |
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| CN109187629A (en) * | 2018-09-04 | 2019-01-11 | 成都市科创节能材料有限公司 | A kind of equivalent thermal resistance and thermal coefficient detection method 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 |
| CN110726751A (en) * | 2019-11-11 | 2020-01-24 | 吴祖荣 | Rapid detection device for thermal insulation performance of building exterior window and control method thereof |
| CN110823953A (en) * | 2019-11-22 | 2020-02-21 | 张凯伦 | Car specialty machine oil contrast check out test set that generates heat |
| CN111398343A (en) * | 2020-04-30 | 2020-07-10 | 亚士漆(上海)有限公司 | Device and method for detecting equivalent thermal resistance of heat-insulation thin material by contrast method |
| CN113030163A (en) * | 2021-03-01 | 2021-06-25 | 中建科技集团有限公司 | Testing device |
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