CN101029880A - Device and method for inspecting transparent material thermal-insulating performance - Google Patents
Device and method for inspecting transparent material thermal-insulating performance Download PDFInfo
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- CN101029880A CN101029880A CN 200710090103 CN200710090103A CN101029880A CN 101029880 A CN101029880 A CN 101029880A CN 200710090103 CN200710090103 CN 200710090103 CN 200710090103 A CN200710090103 A CN 200710090103A CN 101029880 A CN101029880 A CN 101029880A
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Abstract
A method for detecting heat isolation performance of transparent material includes measuring temperature-rise differences caused by passing infrared ray with equal intensity through difference heat isolation materials to let said infrared ray be absorbed by heat absorption plate and then indirectly reflecting heat isolation effect of heat isolation material on infrared ray and directly reflecting heat isolation effect of heat isolation material by measured temperature-rise differences. The device used for realizing said method is also disclosed.
Description
Technical field
The present invention relates to a kind of transparent material thermal-insulating performance pick-up unit and detection method thereof.
Background technology
The door glass of buildings, transparent ceiling and automobile window etc. are used the position of glass, and at first demanding visible light permeability (transparency) wishes to intercept the heat radiation that solar spectrum mid-infrared light district is brought simultaneously.
The product that solves the glass heat-proof problem at present has: coated glass, Heat insulation type adhering film and transparent heat insulating dope.For these insulation products, have only the method and the instrument that detect its infrared light transmitance and sunshine reflectivity at present, also there are not reliable proving installation and method in the world for actual effect of heat insulation.Indoor temperature is descended the several years and people wish to know most after being to use heat-barrier material, it is very necessary therefore inventing a kind of detecting instrument and the detection method that can test actual effect of heat insulation easily and intuitively.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, easy to use, detection speed is fast, can accurately reflect the testee heat-proof quality pick-up unit and corresponding detecting method, be suitable for transparent insulate material as: the effect of heat insulation of transparent heat insulating glass coating, transparent heat-insulating film, transparent heat-insulated resin, heat-protecting glass detects.
Technical matters to be solved by this invention is:
A kind of transparent material thermal-insulating performance pick-up unit has the casing of open top, at the open-mouth of casing the detection sheet material of printing opacity is installed, and forms an enclosure space, is provided with infrared light supply above casing; Be provided with absorber plate and light barrier at box house, absorber plate and light barrier below are respectively arranged with the oven temperature, temperature measurer that is used to measure the infrared thermometer of infrared absorption temperature and is used to measure air themperature in the casing.
In order to make casing have better insulation effect, guarantee temperature and not convection current mutually of the external world in the casing, further, be attached with heat-insulation layer on the described casing.
Measure the accuracy of air themperature in infrared absorption temperature and the casing in order to improve temperature measurer, further: described absorber plate closely links to each other with infrared thermometer, leaves spacing between light barrier and the oven temperature, temperature measurer.
In order to realize that the power of infrared light supply is regulated, more further: be connected with dimmer on the described infrared light supply.
Particularly: described infrared thermometer and room temperature temperature measurer are the thermocouple temperature measurement instrument; Described absorber plate is the ferrous metal plate; Described infrared light supply is a heat radiation type infrared lamp.
Utilize transparent material thermal-insulating performance to detect dress, the present invention provides a kind of detection method of transparent material thermal-insulating performance again, the infrared light that this detection method can be measured equality strength passes the intensification difference that causes after different heat-barrier materials are absorbed by absorber plate, the reflection heat-barrier material is to the shielding action of infrared radiation indirectly, the effect of heat insulation that directly reflects material, concrete detection method is:
Adopt two identical transparent material thermal-insulating performance pick-up units, the detection sheet material on casing is selected thermal insulation plate and conventional clear glass respectively for use; Has constant ambient temperature t in the holding chamber and in the casing
0Original state, adopt the back temperature reduction way that heats up earlier: adjust dimmer, treat the spin manifold temperature unanimity of stream oriented device and infrared absorption temperature reach 60 ± 1 ℃ after powered-down, make casing reduce to room temperature again.Open infrared light supply, infrared light composition 〉=92% of control infrared light supply, wavelength coverage 800～10000nm.Infrared light supply with heat radiation effect shines to casing, infrared ray passes the thermal insulation plate of transparent optical and the box house that conventional clear glass enters into sealing separately respectively, absorb infrared heat by absorber plate, by recording infrared whole absorption temperature t respectively with infrared thermometer that absorber plate closely links to each other
2And t
1, record air themperature t in the casing respectively by the oven temperature, temperature measurer of light barrier below
4And t
3, after temperature rise is constant, note t
2, t
1, t
4, t
3By effect of heat insulation t=t
3-t
4Directly characterize the actual effect of heat insulation of heat-barrier material, perhaps, by heat insulation index B=(t
1-t
2)/(t
1-t
0) characterize heat-barrier material indirectly to through extraradial shielding action.
Transparent material thermal-insulating performance pick-up unit modern design of the present invention, simple in structure, easy to operate utilizes this device can detect the effect of heat insulation of heat-barrier material, simple and fast easily.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is apparatus of the present invention structural representations.
Among the figure: 1. casing 2. detects sheet material 3. infrared light supplies 4. absorber plates 5. light barriers 6. infrared thermometers 7. oven temperature, temperature measurers 8. heat-insulation layers 9. dimmers
Embodiment
A kind of transparent material thermal-insulating performance pick-up unit as shown in Figure 1, has casing 1, casing 1 is of a size of 18cm * 18cm * 12cm, wall and bottom are lined with the heat-insulation layer 8 of 1.5cm thickness to guarantee temperature and the not convection current mutually of the external world in the casing, the open top of casing 1, can insert the detection sheet material 2 of corresponding size, form confined space, the distance that detects sheet material 2 and infrared light supply 3 is 20cm.Because heat-barrier material is to rely on the infrared light in the shielding sunray to play heat-blocking action, so the wave spectrum that light source sends should be defined in the infrared band.Infrared light supply 3 can adopt heat radiation type infrared lamp, its infrared light composition 〉=92%, wavelength coverage 800～10000nm.Dimmer can adopt variohm, regulates lamp tube current or voltage parameter with this, light source is reached and keeps certain luminous intensity.
Be provided with absorber plate 4 and light barrier 5 in casing 1 inside, absorber plate 4 and light barrier 5 belows are respectively arranged with the oven temperature, temperature measurer 7 that is used to measure the infrared thermometer 6 of infrared absorption temperature and is used to measure air themperature in the casing, absorber plate 4 closely links to each other with infrared thermometer 6, leaves spacing between light barrier 5 and the oven temperature, temperature measurer 7.Absorber plate 4 is selected the metal copper plate of heat conductivility excellence for use, uses the Berlin black brushing, forms effective thermal barrier, and it can be absorbed fully to the heat radiation that the infrared ray that passes sample brings.Infrared thermometer 6 and oven temperature, temperature measurer 7 are all selected thermocouple thermometer for use, and the temperature-measuring range of thermocouple thermometer is 0 ℃～70 ℃, and resolution is 0.1 ℃, and accuracy class is 0.5 ℃.
Because transparent insulate material all is to realize heat-blocking action by the infrared light in the shielding sunray, so to pass simple glass and pass the caused intensification of transparent insulate material be discrepant to the infrared light of same intensity in a confined space, this is that intensity weakens greatly after passing heat-barrier material because of infrared light, and infrared light is thermal-radiating main source.Establish a kind of detection method according to above principle, pass the intensification that causes after remainder behind the heat-barrier material is absorbed by thermal barrier, reflect the shielding action of heat-barrier material indirectly, directly reflect the effect of heat insulation of material infrared radiation by measuring infrared light.
A kind of detection method of transparent material thermal-insulating performance, adopt two identical transparent material thermal-insulating performance pick-up units, detection sheet material on casing 1 is selected heat-barrier material and conventional clear glass respectively for use, wherein, heat-barrier material can be transparent heat insulating glass coating, transparent heat-insulating film, transparent heat-insulated resin or heat-protecting glass.Adjust dimmer 9, treat the casing 1 temperature unanimity of stream oriented device and infrared absorption temperature reach 60 ± 1 ℃ after powered-down, make casing 1 reduce to room temperature again.Has constant ambient temperature t in the holding chamber and in the casing 1
0Original state, open infrared light supply 3, infrared light composition 〉=92% of control infrared light supply 3, wavelength coverage 800～10000nm.Infrared light supply 3 with heat radiation effect is to casing 1 irradiation, infrared ray passes the thermal insulation plate of transparent optical and casing 1 inside that conventional clear glass enters into sealing separately respectively, absorb infrared heat by absorber plate 4, by recording infrared whole absorption temperature t respectively with the absorber plate 4 tight infrared thermometers 6 that link to each other
2And t
1, record air themperature t in the casing 1 respectively by the oven temperature, temperature measurer 7 of light barrier 5 belows
4And t
3, after temperature rise is constant, note t
2, t
1, t
4, t
3By effect of heat insulation t=t
3-t
4Directly characterize the actual effect of heat insulation of heat-barrier material, perhaps, by heat insulation index B=(t
1-t
2)/(t
1-t
0) characterize heat-barrier material indirectly to through extraradial shielding action.Measured temperature t when the ability of sample shielding infrared light is got over convergence 100%
2Get over convergence room temperature t
0, this moment, B ≈ 1, measured temperature t when the ability of sample shielding infrared light is got over convergence 0
2Convergence sees through simple glass measured temperature t more
1, this moment, B ≈ 0.
Below in conjunction with specific embodiment detection method of the present invention is described further.
Test process is described:
The identical size dimension of sample window that earlier specimen preparation was become and installed before on-test, laboratory temperature remain on 25 ℃ of disturbances of also as far as possible avoiding room air.Open the power supply and the temperature display switch of instrument, adjust dimmer, make the light intensity unanimity of both sides light source and be steady state (SS).Powered-down after treating both sides spin manifold temperature demonstration unanimity and reaching balance makes casing reduce to room temperature.Sample window at the both sides casing inserts heat insulation sample and blank glass respectively, turns on the power switch once more to make in the casing to heat up, and observes temperature variation, when it no longer rises when reaching constant, notes the temperature t on both sides respectively
1, t
3And t
2, t
4And calculated difference t (t=t
3-t
4), promptly obtain the actual effect of heat insulation of this sample.And according to B=t
1-t
2/ t
1-t
0Calculate its heat insulation index.
Detect example 1:
On the simple glass plate of the identical size dimension of sample window, dry back is stand-by as sample panel with insulating mold coating of transparent glass A blade coating.Open the power supply and the temperature display switch of instrument, adjust dimmer, treat the both sides spin manifold temperature show unanimity and infrared absorption temperature reach 60 ± 1 ℃ after powered-down, make casing reduce to room temperature.The sample window of on the left side casing inserts the heat insulation sample A that has prepared, the sample window of casing inserts blank glass on the right, turns on the power switch once more to make in the casing to heat up, and observes temperature variation, when it no longer rises when reaching constant, note the temperature t on the left side respectively
2, t
4This moment t
2=41.9 ℃ of t
4The temperature t on=36.6 ℃ and the right
1, t
3This moment t
1=59.2 ℃ of t
3=42.1 ℃, and record room temperature t at this moment
0=25.2 ℃, calculate sample A's according to formula
Effect of heat insulation t=42.1-36.6=5.5 ℃,
Heat insulation index B=59.2-41.9/59.2-25.2=0.51.
Detect example 2:
Vehicle glass thermal isolation film B is closely sticked on the simple glass plate with the identical size dimension of sample window, stand-by as sample panel.Open the power supply and the temperature display switch of instrument, adjust dimmer, powered-down after treating both sides spin manifold temperature demonstration unanimity and reaching 60 ± 1 ℃ makes casing reduce to room temperature.The sample window of on the left side casing inserts the heat insulation sample B that has prepared, and the sample window of casing inserts blank glass on the right, turns on the power switch once more to make in the casing to heat up, and when temperature reaches weighing apparatus regularly, notes the temperature t on the left side
2, t
4This moment t
2=49.7 ℃ of t
4The temperature t on=38.7 ℃ and the right
1, t
3This moment t
1=60.3 ℃ of t
3=43.0 ℃, record room temperature t at this moment
0=24.9 ℃, calculate sample B's according to formula
Effect of heat insulation t=43.0-38.7=4.3 ℃,
Heat insulation index B=60.3-49.7/60.3-24.9=0.30.
Claims (9)
1. transparent material thermal-insulating performance pick-up unit is characterized in that: have the casing (1) of open top, at the open-mouth of casing (1) the detection sheet material (2) of printing opacity is installed, form an enclosure space, be provided with infrared light supply (3) in the top of casing (1); Be provided with absorber plate (4) and light barrier (5) in casing (1) inside, absorber plate (4) and light barrier (5) below are respectively arranged with the infrared thermometer (6) that is used to measure the infrared absorption temperature and are used to measure the oven temperature, temperature measurer (7) of air themperature in the casing.
2. transparent material thermal-insulating performance pick-up unit according to claim 1 is characterized in that: be attached with heat-insulation layer (8) on the described casing (1).
3. transparent material thermal-insulating performance pick-up unit according to claim 1 is characterized in that: described absorber plate (4) closely links to each other with infrared thermometer (6), leaves spacing between light barrier (5) and the oven temperature, temperature measurer (7).
4. transparent material thermal-insulating performance pick-up unit according to claim 1 is characterized in that: be connected with dimmer (9) on the described infrared light supply (3).
5. transparent material thermal-insulating performance pick-up unit according to claim 1 is characterized in that: described infrared thermometer (6) and oven temperature, temperature measurer (7) are the thermocouple temperature measurement instrument; Described absorber plate (4) is the ferrous metal plate; Described infrared light supply (3) is a heat radiation type infrared lamp.
6. the detection method of a transparent material thermal-insulating performance, it is characterized in that: utilize the transparent material thermal-insulating performance pick-up unit, the infrared light of measuring equality strength passes the intensification difference that causes after different heat-barrier materials are absorbed by absorber plate, the reflection heat-barrier material is to the shielding action of infrared radiation indirectly, the effect of heat insulation that directly reflects material, concrete detection method is:
Adopt two identical transparent material thermal-insulating performance pick-up units, the detection sheet material on casing (1) is selected heat-barrier material and conventional clear glass respectively for use; Has constant ambient temperature t in the holding chamber and in the casing (1)
0Original state, open infrared light supply (3), infrared light supply (3) with heat radiation effect shines to casing (1), infrared ray passes the thermal insulation plate of transparent optical and casing (1) inside that conventional clear glass enters into sealing separately respectively, absorb infrared heat by absorber plate (4), by recording infrared whole absorption temperature t respectively with infrared thermometer (6) that absorber plate (4) closely links to each other
2And t
1, record the interior air themperature t of casing (1) respectively by the oven temperature, temperature measurer (7) of light barrier (5) below
4And t
3, after temperature rise is constant, note t
2, t
1, t
4, t
3By effect of heat insulation t=t
3-t
4Directly characterize the actual effect of heat insulation of heat-barrier material, perhaps, by heat insulation index B=(t
1-t
2)/(t
1-t
0) characterize heat-barrier material indirectly to through extraradial shielding action.
7. the detection method of transparent material thermal-insulating performance according to claim 6 is characterized in that: infrared light composition 〉=92% of control infrared light supply (3), wavelength coverage 800～10000nm.
8. the detection method of transparent material thermal-insulating performance according to claim 6, it is characterized in that: described original state, adopt the back temperature reduction way that heats up earlier: adjust dimmer (9), treat casing (1) the temperature unanimity of stream oriented device and infrared absorption temperature reach 60 ± 1 ℃ after powered-down, make casing (1) reduce to room temperature again.
9. the detection method of transparent material thermal-insulating performance according to claim 6, it is characterized in that: described heat-barrier material is transparent heat insulating glass coating, transparent heat-insulating film, transparent heat-insulated resin or heat-protecting glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710090103 CN101029880A (en) | 2007-04-12 | 2007-04-12 | Device and method for inspecting transparent material thermal-insulating performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710090103 CN101029880A (en) | 2007-04-12 | 2007-04-12 | Device and method for inspecting transparent material thermal-insulating performance |
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| CN101029880A true CN101029880A (en) | 2007-09-05 |
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|---|---|---|---|---|
| CN102565126A (en) * | 2012-01-16 | 2012-07-11 | 中国矿业大学 | Cooling effect simulating experiment device of roadway heat insulating injection material |
| CN102980909A (en) * | 2011-12-13 | 2013-03-20 | 南通大学 | Device for testing heat insulating property of fabrics |
| CN104569040A (en) * | 2014-12-19 | 2015-04-29 | 华南理工大学 | Device for measuring energy saving performance of energy storage phase change microcapsule |
| CN104964999A (en) * | 2015-07-08 | 2015-10-07 | 浙江大学 | Device and method for testing equivalent thermal resistance of reflective thermal insulation coating material |
| CN105628619A (en) * | 2015-12-28 | 2016-06-01 | 太仓耀华玻璃有限公司 | Monitoring method of heat-insulating performance of vacuum glass |
| CN107621478A (en) * | 2017-10-25 | 2018-01-23 | 青岛科技大学 | A kind of coating heat-proof quality detection means |
| CN108132279A (en) * | 2018-03-15 | 2018-06-08 | 中国铁道科学研究院铁道建筑研究所 | A kind of track plates reflective heat-insulation paint heat insulation evaluating apparatus |
| CN110044960A (en) * | 2019-05-17 | 2019-07-23 | 上海纺织集团检测标准有限公司 | Curtain class product radiant temperature experimental rig and its detection method |
| CN113030163A (en) * | 2021-03-01 | 2021-06-25 | 中建科技集团有限公司 | Testing device |
| CN113155894A (en) * | 2021-03-30 | 2021-07-23 | 中国飞机强度研究所 | Transparent material heat-proof quality test device |
| CN117571779A (en) * | 2024-01-15 | 2024-02-20 | 山东信泰节能科技股份有限公司 | Insulation board thermal insulation performance detection system |
-
2007
- 2007-04-12 CN CN 200710090103 patent/CN101029880A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102980909A (en) * | 2011-12-13 | 2013-03-20 | 南通大学 | Device for testing heat insulating property of fabrics |
| CN102980909B (en) * | 2011-12-13 | 2014-07-09 | 南通大学 | Device for testing heat insulating property of fabrics |
| CN102565126A (en) * | 2012-01-16 | 2012-07-11 | 中国矿业大学 | Cooling effect simulating experiment device of roadway heat insulating injection material |
| CN102565126B (en) * | 2012-01-16 | 2013-10-30 | 中国矿业大学 | Cooling effect simulating experiment device of roadway heat insulating injection material |
| CN104569040A (en) * | 2014-12-19 | 2015-04-29 | 华南理工大学 | Device for measuring energy saving performance of energy storage phase change microcapsule |
| CN104964999A (en) * | 2015-07-08 | 2015-10-07 | 浙江大学 | Device and method for testing equivalent thermal resistance of reflective thermal insulation coating material |
| CN105628619A (en) * | 2015-12-28 | 2016-06-01 | 太仓耀华玻璃有限公司 | Monitoring method of heat-insulating performance of vacuum glass |
| CN107621478A (en) * | 2017-10-25 | 2018-01-23 | 青岛科技大学 | A kind of coating heat-proof quality detection means |
| CN108132279A (en) * | 2018-03-15 | 2018-06-08 | 中国铁道科学研究院铁道建筑研究所 | A kind of track plates reflective heat-insulation paint heat insulation evaluating apparatus |
| CN108132279B (en) * | 2018-03-15 | 2024-03-22 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Heat insulation effect evaluation device of reflective heat insulation coating for track plate |
| CN110044960A (en) * | 2019-05-17 | 2019-07-23 | 上海纺织集团检测标准有限公司 | Curtain class product radiant temperature experimental rig and its detection method |
| CN113030163A (en) * | 2021-03-01 | 2021-06-25 | 中建科技集团有限公司 | Testing device |
| CN113155894A (en) * | 2021-03-30 | 2021-07-23 | 中国飞机强度研究所 | Transparent material heat-proof quality test device |
| CN117571779A (en) * | 2024-01-15 | 2024-02-20 | 山东信泰节能科技股份有限公司 | Insulation board thermal insulation performance detection system |
| CN117571779B (en) * | 2024-01-15 | 2024-04-05 | 山东信泰节能科技股份有限公司 | Insulation board thermal insulation performance detection system |
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Open date: 20070905 |