CN203672806U - Heat insulation effect evaluation device for mineral powder material - Google Patents
Heat insulation effect evaluation device for mineral powder material Download PDFInfo
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- CN203672806U CN203672806U CN201320804974.6U CN201320804974U CN203672806U CN 203672806 U CN203672806 U CN 203672806U CN 201320804974 U CN201320804974 U CN 201320804974U CN 203672806 U CN203672806 U CN 203672806U
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Abstract
The utility model discloses a heat insulation effect evaluation device for a mineral powder material, and relates to a general physical device. The heat insulation effect evaluation device comprises two sample testers which are identical in sizes and structures, a temperature polling tester, a large heat preservation box, two small heat preservation boxes which are identical in sizes and structures, and a computer, wherein the sample testers comprise temperature controllers, temperature control sensors, temperature sensors for testing temperatures of the upper wall surfaces and the lower wall surfaces of sample mounting slots, protection plates arranged at the upper ends of test sample slots, heating devices, the test sample mounting slots and test sample slot bases; the temperature polling tester comprises a temperature sensor for testing the air temperature in small heat preservation box bodies, a multi-path temperature and voltage converter and a signal conversion device. The shortcomings that an evaluation result is affected by factors such as temperature, air pressure, air flowing and a coating formula and the stability and the repetitiveness of test data are difficult to guarantee in the prior art are overcome.
Description
Technical field
The technical solution of the utility model relates to general physical unit, specifically for mineral powders effect of heat insulation evaluating apparatus.
Background technology
A large amount of statistical data prove, account for 30～40% of whole society's total energy consumption taking heating and air-conditioning as main building energy consumption.If can improve the impermeability of buildings, isolated wall, the transmission of door and window to energy just can reduce the startup frequency of air-conditioning and the thermal losses of working time and Winter heat supply under the condition that ensures identical indoor temperature.The most frequently used heat-insulating method is exactly to utilize heat preserving and insulating material to replace traditional material to reduce building energy consumption, improves the utilization ratio of the energy.Therefore, heat preserving and insulating material and using method thereof are the material bases of building energy conservation.
The energy saving building of China adopts heat-barrier material as heat-insulation layer more, the transmission of block heat,, by the thermofin of being made up of the material of the low thermal conductivities such as polyphenyl foaming, forms a thermograde, slow down heat by the transmission of conductive form, thereby play the effect of heat-insulation and heat-preservation.At present, the general method of heat-insulating material is at body of wall outer wrapping one deck polystyrene foam plate and fiberglass gridding cloth, additional woven wire and anchor nails, then scrape its outside painting the sand-cement slurry that about 6mm is thick, then carry out external coating.So-called external-wall exterior insulation system (ETIC) that Here it is.Its system construction of this system is loaded down with trivial details, cost is high, be not suitable for the construction of abnormal complex structure, and in whole system, have a large amount of EPS plate seams, formed many " heat bridges ", be difficult to the energy-saving effect of further raising system, once and heat imports inside into by surface, heat energy will be absorbed by heat-barrier material, also can be by " tired falling into " therein, cause the rising of temperature, reduce the effect of heat insulation of material.Based on mineral powders as the insulation material of main additive gained owing to thering is the advantages such as the low and good heat-insulation effect of good flame resistance, cost, become gradually current study hotspot both domestic and external.Therefore, the research of the heat-proof quality evaluating apparatus of mineral powders, is of great significance for the exploitation tool of above-mentioned insulation material.
For assay method and the evaluating apparatus of mineral powders, at present still in the development stage, also do not set up unified national standard or authority's current international practice standard.Common evaluation method mainly contains following 3 kinds:
(1) mineral powders is added in coating, with reference to U.S. army mark in 1976, select identical function instrument home-made contrivance, set up heat-insulation property of heat-insulation coating test macro, and compare test with standard coating, indirectly evaluate the effect of heat insulation of mineral powders.(2) utilize heat-pole method to test the coefficient of heat conductivity of powder body material, evaluate the effect of heat insulation of powder body material.(3) mineral powders is added in coating, use the effect of heat insulation of some effect of heat insulation evaluation criterions that are analogous to each other with open system and device Indirect evaluation mineral powders, when enforcement, in most of open systems, fix a thermal source, for example water bath with thermostatic control, infrared lamp or daylight lamp, testing sample plate is placed on the slit with thermal source certain distance, measure the double-edged temperature difference of building materials test board by temperature-sensing element as thermal resistance, thermopair or infrared thermometer, with this Indirect evaluation mineral powders effect of heat insulation.
The method of above-mentioned evaluation mineral powders effect of heat insulation and the defect that all exists of device be, above-mentioned (1) and (3) two kinds of methods, be very easy to be subject to the impacts such as factor such as temperature, air pressure, Air Flow and formulation for coating material, and reappearance and reliability are bad; In (2) kind method because heat-pole method is transient measurement method, the stability of test data and repeatability etc. very difficult guarantee.
Utility model content
Technical problem to be solved in the utility model is: be provided for mineral powders effect of heat insulation evaluating apparatus, its test subject is made up of two identical little thermal-insulating bodies of dimensional structure and the identical sample test instrument of two dimensional structures that is placed on respectively these two little thermal-insulating body upper ends, fixed test environment with a large insulation can again, thereby the evaluation result that has overcome prior art is subject to the defect of the very difficult guarantee such as the impact of the factors such as temperature, air pressure, Air Flow and formulation for coating material and the stability of test data and repeatability.
The utility model solves this technical problem adopted technical scheme: for mineral powders effect of heat insulation evaluating apparatus, comprise two identical sample test instrument of dimensional structure, temperature patrol inspection tester, large insulation can, two identical little insulation cans of dimensional structure and computing machine; Wherein, sample test instrument comprises endshield on temperature controller, control temperature sensor, the temperature sensor of testing the upper and lower wall surface temperature of sample mounting groove, test sample cell, heater element, test sample mounting groove and test sample bottom land seat; Temperature patrol inspection tester comprises that temperature sensor, multi way temperature electric pressure converter and the signal of the air themperature for testing little thermal-insulating body inside transform device and form; the arrangement of above-mentioned each component parts and connected mode are such: two identical little insulation cans of dimensional structure are placed in large insulation can side by side, the box body of temperature patrol inspection tester is placed in the crown center position of large insulation can, two identical sample test instrument of dimensional structure are placed in respectively the centre position, casing upper end of two little insulation cans, the double-layer heat insulation material that on the test sample bottom land seat being done by the good metal of thermal conductivity and test sample cell, endshield bolt a is connected to little insulation can is made on the sidewall casing of little thermal-insulating body, heater element is positioned on test sample cell under endshield, be connected on test sample cell on endshield with bolt b, controlling temperature sensor is placed on test sample cell on endshield, space between heater element and test sample bottom land seat is test sample mounting groove, heater element, between temperature controller and control temperature sensor, order is by after connecting wire connection, be wired to again in the heating gauge tap being placed in above large thermal insulation box body, two are placed in respectively two of the left and right sidewall medium position of little insulation can through two of the left and right sidewall of little insulation can for testing the temperature sensor of air themperature of little thermal-insulating body inside, totally six of the temperature sensors of the upper and lower wall surface temperature of test sample mounting groove, wherein the temperature sensor of three upper and lower wall surface temperatures of test sample mounting groove is placed in endshield upper wall on test sample cell, the temperature sensor of other three upper and lower wall surface temperatures of test sample mounting groove is placed in the lower wall of test sample mounting groove, multi way temperature electric pressure converter and signal converter are placed in the box body inside of temperature patrol inspection tester, the box body multi way temperature electric pressure converter of temperature patrol inspection tester is with connecting circular open that wire is 20～30mm through the diameter having on the casing of large insulation can and the relatively inner sidewall of the casing of little insulation can or being directly connected for the temperature sensor of testing the upper and lower wall surface temperature of test sample mounting groove that the temperature sensor of air themperature of little thermal-insulating body inside splits with each with above-mentioned respectively, and connect the temperature patrol inspection tester switch of settling on the box body of temperature patrol inspection tester, between the multi way temperature electric pressure converter of computing machine and temperature patrol inspection tester box body inside and signal converter, be connected with wire.
Above-mentioned for mineral powders effect of heat insulation evaluating apparatus, the casing of described little insulation can is of a size of (400～600) × (400～600) × (600～800) mm
3.
Above-mentioned for mineral powders effect of heat insulation evaluating apparatus, described test sample mounting groove is of a size of (150～350) × (150～350) × (15～35) mm
3.
Above-mentioned for mineral powders effect of heat insulation evaluating apparatus, in the casing of described large insulation can and little insulation can, heat-barrier material used is polyurethane foam board or polyphenyl foam plate, its coefficient of heat conductivity≤0.025W/ (mk).
Above-mentioned, for mineral powders effect of heat insulation evaluating apparatus, described heater element is infrared heating device.
For mineral powders effect of heat insulation evaluating apparatus, described all adopt thermal resistance or thermopair for the temperature sensor of air themperature and the temperature sensor of test sample mounting groove upper and lower wall surface temperature of testing little thermal-insulating body inside above-mentioned.
Above-mentioned, for mineral powders effect of heat insulation evaluating apparatus, described is platinum resistance Pt10 or platinum resistance Pt100 for testing the temperature sensor of air themperature of little thermal-insulating body inside and thermal resistance that the temperature sensor of test sample mounting groove upper and lower wall surface temperature adopts.
Above-mentioned, for mineral powders effect of heat insulation evaluating apparatus, described is copper-constantan thermocouple or copper-Kao copper thermopair for testing the temperature sensor of air themperature of little thermal-insulating body inside and thermopair that the temperature sensor of test sample mounting groove upper and lower wall surface temperature adopts.
Above-mentioned, for mineral powders effect of heat insulation evaluating apparatus, described multi way temperature electric pressure converter is multiple signals logging.
Above-mentioned, for mineral powders effect of heat insulation evaluating apparatus, described signal converter adopts RS-232RS-485Converter.
, in described computing machine, contain with the data analysis software system of supporting that measurement and the programmed method adopting are Labview for mineral powders effect of heat insulation evaluating apparatus above-mentioned.
Above-mentioned for mineral powders effect of heat insulation evaluating apparatus, wherein involved parts, components and parts and computing machine and wherein containing band data analysis software system be all that those skilled in the art can make or obtain by commercially available.
The beneficial effects of the utility model are: compared with prior art, substantive distinguishing features of the present utility model and progress are:
(1) the utility model makes test process lowered by the impact of environmental factor for mineral powders effect of heat insulation evaluating apparatus with large insulation can, has improved the accuracy of test effect;
(2) the utility model is made up of two identical little thermal-insulating bodies of dimensional structure and the identical sample test instrument of two dimensional structures that is placed on respectively two little thermal-insulating body upper ends for mineral powders effect of heat insulation evaluating apparatus test subject, has ensured the intuitive of evaluation result and the stability of sample test environment of evaluating apparatus;
(3) the utility model is positioned at centre position, little thermal-insulating body upper end for mineral powders effect of heat insulation evaluating apparatus sample test instrument, do base and upper endshield by the good metal of thermal conductivity, be connected on little thermal-insulating body with bolt, heater element is positioned under endshield, be connected on upper endshield with bolt, heater element, after connecting by wire between temperature controller and control temperature sensor, use again from box back surface wire out and be connected to the heating gauge tap two ends of large insulation can (6) above casing, effectively reduce existing apparatus employing and in open system, fixed a thermal source, for example water bath with thermostatic control, infrared lamp or daylight lamp, the evaluation result error of bringing.
(4) air themperature of testing two the identical little thermal-insulating body of dimensional structure upper and lower wall surface temperatures of upper end sample test instrument and little thermal-insulating body inside when the utility model is for mineral powders effect of heat insulation evaluating apparatus, utilize the computing machine containing the data analysis software system that is Labview with the programmed method of supporting to measure and adopt, directly demonstrate the numerical value such as the temperature difference that mineral powders sample brings by the time dependent curve of temperature, and then its effect of heat insulation is made an appraisal, both directly perceived quick, clear accurate again.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the diagrammatic cross-section of facing of the present utility model.
Fig. 2 is that sample test instrument of the present utility model forms schematic diagram.
Fig. 3 is the formation schematic diagram of temperature patrol inspection tester box body of the present utility model inside.
In figure, 1. temperature controller, 2. sample test instrument, 3. heating gauge tap, 4. temperature patrol inspection tester, 5. temperature patrol inspection tester switch, 6. large insulation can, 7. little insulation can, 8. for testing the temperature sensor of air themperature of little thermal-insulating body inside, 9. bolt a, 10. bolt b, 11. control temperature sensor, 12. connect wire, 13. for testing the temperature sensor of the upper and lower wall surface temperature of sample mounting groove, endshield on 14. test sample cells, 15. heater elements, 16. double-layer heat insulation materials are made the sidewall of little thermal-insulating body, 17. test sample mounting grooves, 18. test sample bottom land seats, 19. multi way temperature electric pressure converters, 20. signal converters, 21. computing machines.
Embodiment
Embodiment illustrated in fig. 1 showing, the main body that is used for the temperature patrol inspection tester of mineral powders effect of heat insulation evaluating apparatus forms: comprise two identical sample test instrument of dimensional structure (2), temperature patrol inspection tester (4), large insulation can (6), two identical little insulation cans of dimensional structure (7) and computing machine (21), wherein sample test instrument (2) comprises temperature controller (1), the arrangement of above-mentioned each component parts and connected mode are such: two identical little insulation cans of dimensional structure (7) are placed in large insulation can (6) side by side, the box body of temperature patrol inspection tester (4) is placed in the crown center position of large insulation can (6), two identical sample test instrument of dimensional structure (2) are placed in respectively the centre position, casing upper end of two little insulation cans (7), large insulation can (6) is mounted with heating gauge tap (3) above casing, patrol and examine on the box body of tester (4) and be mounted with temperature patrol inspection tester switch (5), two are placed in respectively two of the left and right sidewall medium position of little insulation can (7) through two of the left and right sidewall of little insulation can (7) for testing the temperature sensor (8) of air themperature of little thermal-insulating body inside, computing machine (21) is connected with temperature patrol inspection tester (4).
The formation of the shown sample test instrument (2) for mineral powders effect of heat insulation evaluating apparatus of Fig. 2 is: on the test sample bottom land seat (18) wherein being done by the good metal of thermal conductivity and test sample cell, endshield (14) is used bolt a(9) be connected to double-layer heat insulation material and make the sidewall of little thermal-insulating body (16) casing, the temperature sensor (13) of three upper and lower wall surface temperatures of test sample mounting groove is placed in endshield (14) upper wall on test sample cell, the temperature sensor (13) of another three upper and lower wall surface temperatures of test sample mounting groove is placed in test sample mounting groove (17) lower wall, heater element (15) is positioned on test sample cell under endshield (14), use bolt b(10) be connected on test sample cell on endshield (14), space between heater element (15) and test sample bottom land seat (18) is test sample mounting groove (17), controlling temperature sensor (11) is placed on test sample cell on endshield (14), by connecting by connecting wire (12) between heater element (15) and control temperature sensor (11).Temperature controller (1) also belongs to the component part of sample test instrument (2), just in Fig. 2, does not add demonstration.
Embodiment illustrated in fig. 3 showing, the formation that is used for the temperature patrol inspection tester box body inside of mineral powders effect of heat insulation evaluating apparatus is multi way temperature electric pressure converter (19) and signal converter (20), connects wire (12) and stretches out from temperature patrol inspection tester box body.
Embodiment 1
For mineral powders effect of heat insulation evaluating apparatus, comprise two identical sample test instrument of dimensional structure (2), temperature patrol inspection tester (4), large insulation can (6), two identical little insulation cans of dimensional structure (7) and computing machine (21); Wherein, sample test instrument (2) comprise temperature controller (1), control temperature sensor (11), endshield (14), heater element (15), test sample mounting groove (17) and test sample bottom land seat (18) on the temperature sensor (13) of test sample mounting groove upper and lower wall surface temperature, test sample cell; Temperature patrol inspection tester (4) comprises that temperature sensor (8), multi way temperature electric pressure converter (19) and the signal of the air themperature for testing little thermal-insulating body inside transform device (20) and form; the arrangement of above-mentioned each component parts and connected mode are such: two identical little insulation cans of dimensional structure (7) are placed in large insulation can (6) side by side, the box body of temperature patrol inspection tester (4) is placed in the crown center position of large insulation can (6), two identical sample test instrument of dimensional structure (2) are placed in respectively the centre position, casing upper end of two little insulation cans (7), on the test sample bottom land seat (18) being done by the good metal of thermal conductivity and test sample cell, endshield (14) is used bolt a(9) the double-layer heat insulation material that is connected to little insulation can (7) makes on sidewall (16) casing of little thermal-insulating body, heater element (15) is positioned on test sample cell under endshield (14), use bolt b(10) be connected on test sample cell on endshield (14), controlling temperature sensor (11) is placed on endshield (14), space between heater element (15) and test sample bottom land seat (18) is test sample mounting groove (17), by heater element (15), between temperature controller (1) and control temperature sensor (11), order is by after connecting wire (12) connection, be wired to again and be placed in the heating gauge tap (3) of large insulation can (6) above casing, two are placed in respectively two of the left and right sidewall medium position of little insulation can (7) through two of the left and right sidewall of little insulation can (7) for testing the temperature sensor (8) of air themperature of little thermal-insulating body inside, totally six of the temperature sensors (13) of the upper and lower wall surface temperature of test sample mounting groove (17), wherein the temperature sensor (13) of the upper and lower wall surface temperature of three test sample mounting grooves (17) is placed in endshield (14) upper wall on test sample cell, the temperature sensor (13) of the upper and lower wall surface temperature of other three test sample mounting grooves (17) is placed in the lower wall of test sample mounting groove (17), multi way temperature electric pressure converter (19) and signal converter (20) are placed in the box body inside of temperature patrol inspection tester (4), the box body multi way temperature electric pressure converter (19) of temperature patrol inspection tester (4) is connected for the temperature sensor (13) of testing the upper and lower wall surface temperature of test sample mounting groove that the temperature sensor (8) of air themperature of little thermal-insulating body inside splits with each with above-mentioned with connecting circular open that wire (12) is 20mm through the diameter having on the casing of large insulation can (6) sidewall relatively inner with the casing of little insulation can (7), and connect the temperature patrol inspection tester switch (5) of settling on the box body of temperature patrol inspection tester (4), between the multi way temperature electric pressure converter (19) of computing machine (21) and temperature patrol inspection tester (4) box body inside and signal converter (20), be connected with wire.In the present embodiment, the casing of little insulation can (7) is of a size of 400 × 400 × 600mm
3, test sample mounting groove (17) is of a size of 150 × 150 × 15mm
3, in the casing of large insulation can (6) and little insulation can (7), heat-barrier material used is polyurethane foam board or polyphenyl foam plate, its coefficient of heat conductivity≤0.025W/ (mk), heater element (15) is infrared heating device, all adopt platinum resistance Pt10 thermal resistance for the temperature sensor (8) of air themperature and the temperature sensor (13) of the upper and lower wall surface temperature of test sample mounting groove of testing little thermal-insulating body inside, multi way temperature electric pressure converter (19) is that multiple signals logging signal converter (20) adopts RS-232RS-485Converter, the data analysis software system that is Labview containing the programmed method of measuring with support and adopt in computing machine (21).
Embodiment 2
Except the box body multi way temperature electric pressure converter (19) of temperature patrol inspection tester (4) passes circular open that the diameter that has on the casing of large insulation can (6) sidewall relatively inner with the casing of little insulation can (7) is 25mm and is connected for the temperature sensor (13) of testing the upper and lower wall surface temperature of test sample mounting groove that the temperature sensor (8) of air themperature of little thermal-insulating body inside splits with each with above-mentioned respectively with connecting wire (12), the casing of little insulation can (7) is of a size of 500 × 500 × 700mm
3, test sample mounting groove (17) is of a size of 250 × 250 × 25mm
3, all adopting outside platinum resistance Pt100 thermal resistance for the temperature sensor (8) of air themperature and the temperature sensor (13) of the upper and lower wall surface temperature of test sample mounting groove of testing little thermal-insulating body inside, other are with embodiment 1.
Embodiment 3
Except the box body multi way temperature electric pressure converter (19) of temperature patrol inspection tester (4) passes circular open that the diameter that has on the casing of large insulation can (6) sidewall relatively inner with the casing of little insulation can (7) is 30mm and is connected for the temperature sensor (13) of testing the upper and lower wall surface temperature of test sample mounting groove that the temperature sensor (8) of air themperature of little thermal-insulating body inside splits with each with above-mentioned respectively with connecting wire (12), the casing of little insulation can (7) is of a size of 600 × 600 × 800mm
3, test sample mounting groove (17) is of a size of 350 × 350 × 35mm
3, all adopting outside copper-constantan thermocouple for the temperature sensor (8) of air themperature and the temperature sensor (13) of the upper and lower wall surface temperature of test sample mounting groove of testing little thermal-insulating body inside, other are with embodiment 1.
Embodiment 4
Except the box body multi way temperature electric pressure converter (19) of temperature patrol inspection tester (4), with connecting, wire (12) is direct to be connected for the temperature sensor (13) of testing the upper and lower wall surface temperature of test sample mounting groove that the temperature sensor (8) of air themperature of little thermal-insulating body inside splits with each with above-mentioned respectively, and the casing of little insulation can (7) is of a size of 600 × 600 × 800mm
3, test sample mounting groove (17) is of a size of 350 × 350 × 35mm
3, all adopting outside copper-Kao copper thermopair for the temperature sensor (8) of air themperature and the temperature sensor (13) of the upper and lower wall surface temperature of test sample mounting groove of testing little thermal-insulating body inside, other are with embodiment 1.
Involved parts, components and parts and computing machine and be wherein all that those skilled in the art can make or obtain by commercially available containing the data analysis software system of band in above-described embodiment.
Claims (8)
1. for mineral powders effect of heat insulation evaluating apparatus, it is characterized in that: comprise two identical sample test instrument of dimensional structure, temperature patrol inspection tester, large insulation can, two identical little insulation cans of dimensional structure and computing machine; Wherein, sample test instrument comprises endshield on temperature controller, control temperature sensor, the temperature sensor of testing the upper and lower wall surface temperature of sample mounting groove, test sample cell, heater element, test sample mounting groove and test sample bottom land seat; Temperature patrol inspection tester comprises that temperature sensor, multi way temperature electric pressure converter and the signal of the air themperature for testing little thermal-insulating body inside transform device and form; the arrangement of above-mentioned each component parts and connected mode are such: two identical little insulation cans of dimensional structure are placed in large insulation can side by side, the box body of temperature patrol inspection tester is placed in the crown center position of large insulation can, two identical sample test instrument of dimensional structure are placed in respectively the centre position, casing upper end of two little insulation cans, the double-layer heat insulation material that on the test sample bottom land seat being done by the good metal of thermal conductivity and test sample cell, endshield bolt a is connected to little insulation can is made on the sidewall casing of little thermal-insulating body, heater element is positioned on test sample cell under endshield, be connected on test sample cell on endshield with bolt b, controlling temperature sensor is placed on test sample cell on endshield, space between heater element and test sample bottom land seat is test sample mounting groove, heater element, between temperature controller and control temperature sensor, order is by after connecting wire connection, be wired to again in the heating gauge tap being placed in above large thermal insulation box body, two are placed in respectively two of the left and right sidewall medium position of little insulation can through two of the left and right sidewall of little insulation can for testing the temperature sensor of air themperature of little thermal-insulating body inside, totally six of the temperature sensors of the upper and lower wall surface temperature of test sample mounting groove, wherein the temperature sensor of three upper and lower wall surface temperatures of test sample mounting groove is placed in endshield upper wall on test sample cell, the temperature sensor of other three upper and lower wall surface temperatures of test sample mounting groove is placed in the lower wall of test sample mounting groove, multi way temperature electric pressure converter and signal converter are placed in the box body inside of temperature patrol inspection tester, the box body multi way temperature electric pressure converter of temperature patrol inspection tester is with connecting circular open that wire is 20～30mm through the diameter having on the casing of large insulation can and the relatively inner sidewall of the casing of little insulation can or being directly connected for the temperature sensor of testing the upper and lower wall surface temperature of test sample mounting groove that the temperature sensor of air themperature of little thermal-insulating body inside splits with each with above-mentioned respectively, and connect the temperature patrol inspection tester switch of settling on the box body of temperature patrol inspection tester, between the multi way temperature electric pressure converter of computing machine and temperature patrol inspection tester box body inside and signal converter, be connected with wire.
2. according to claim 1 for mineral powders effect of heat insulation evaluating apparatus, it is characterized in that: the casing of described little insulation can is of a size of (400～600) × (400～600) × (600～800) mm
3.
3. according to claim 1 for mineral powders effect of heat insulation evaluating apparatus, it is characterized in that: described test sample mounting groove is of a size of (150～350) × (150～350) × (15～35) mm
3.
4. according to claim 1 for mineral powders effect of heat insulation evaluating apparatus, it is characterized in that: in the casing of described large insulation can and little insulation can, heat-barrier material used is polyurethane foam board or polyphenyl foam plate, its coefficient of heat conductivity≤0.025W/ (mk).
5. according to claim 1 for mineral powders effect of heat insulation evaluating apparatus, it is characterized in that: described heater element is infrared heating device.
6. according to claim 1 for mineral powders effect of heat insulation evaluating apparatus, it is characterized in that: describedly all adopt thermal resistance or thermopair for the temperature sensor of air themperature and the temperature sensor of test sample mounting groove upper and lower wall surface temperature of testing little thermal-insulating body inside.
7. according to claim 1 for mineral powders effect of heat insulation evaluating apparatus, it is characterized in that: described multi way temperature electric pressure converter is multiple signals logging.
8. according to claim 1 for mineral powders effect of heat insulation evaluating apparatus, it is characterized in that: described signal converter adopts RS-232 RS-485 Converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804974.6U CN203672806U (en) | 2013-12-06 | 2013-12-06 | Heat insulation effect evaluation device for mineral powder material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804974.6U CN203672806U (en) | 2013-12-06 | 2013-12-06 | Heat insulation effect evaluation device for mineral powder material |
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| CN203672806U true CN203672806U (en) | 2014-06-25 |
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| CN201320804974.6U Expired - Fee Related CN203672806U (en) | 2013-12-06 | 2013-12-06 | Heat insulation effect evaluation device for mineral powder material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215654A (en) * | 2014-09-11 | 2014-12-17 | 中国科学院地球化学研究所 | New method for measuring heat conductivity coefficient of micro powder sample under variable temperature and variable pressure conditions |
| CN105784765A (en) * | 2016-05-30 | 2016-07-20 | 河北工业大学 | Powder material heat insulation effect evaluation device and application method thereof |
| CN107044996A (en) * | 2016-11-29 | 2017-08-15 | 常州浩达科技股份有限公司 | Heat insulating property test device and method of testing |
-
2013
- 2013-12-06 CN CN201320804974.6U patent/CN203672806U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215654A (en) * | 2014-09-11 | 2014-12-17 | 中国科学院地球化学研究所 | New method for measuring heat conductivity coefficient of micro powder sample under variable temperature and variable pressure conditions |
| CN104215654B (en) * | 2014-09-11 | 2018-01-30 | 中国科学院地球化学研究所 | A kind of method for measuring thermal conductivity factor of the little power sample under different temperatures, pressure conditions under vacuum conditions |
| CN105784765A (en) * | 2016-05-30 | 2016-07-20 | 河北工业大学 | Powder material heat insulation effect evaluation device and application method thereof |
| CN107044996A (en) * | 2016-11-29 | 2017-08-15 | 常州浩达科技股份有限公司 | Heat insulating property test device and method of testing |
| CN107044996B (en) * | 2016-11-29 | 2019-10-15 | 常州浩达科技股份有限公司 | Heat insulating property test device and test method |
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