CN100498315C - Method and apparatus for controlling temperature field of tester for testing thermal insulation performance of flat-plate type fabric - Google Patents
Method and apparatus for controlling temperature field of tester for testing thermal insulation performance of flat-plate type fabric Download PDFInfo
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- CN100498315C CN100498315C CNB2006100453350A CN200610045335A CN100498315C CN 100498315 C CN100498315 C CN 100498315C CN B2006100453350 A CNB2006100453350 A CN B2006100453350A CN 200610045335 A CN200610045335 A CN 200610045335A CN 100498315 C CN100498315 C CN 100498315C
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Abstract
The invention relates to a method for controlling temperature field of the plate fabric thermal-insulated property test device, and relative device, which can correct error of present method, wherein the inner surfaces of test plate and bottom plate are mounted with temperature sensors, while one temperature sensor displays the inner surface temperature of test plate; the heating control system controls the inner surface temperature of bottom plate whose maximum temperature difference with the inner surface temperature of stable test plate is 0.3Deg. C, to realize the one-dimension temperature stable field which emits heat upwards on the test plate, to avoid downwards heat emission and confirm the test result.
Description
Technical field the present invention relates to a kind of control method and device thereof of temperature field of tester for testing thermal insulation performance of flat-plate type fabric, and said tester for testing thermal insulation performance is a kind of specialized equipment that is mainly used in dress materials heat-insulating properties such as measuring various fabrics, cotton-wool, leather.
The flat insulation instrument of background technology comprises that mainly inside is separately installed with the breadboard of heater, fender and base plate, is referred to as hot plate, and supporting temperature shows, control device.Wherein, fender is installed in around the breadboard, and is in same plane with breadboard.Base plate is arranged at fender and breadboard below, and by wooden Ling or alternate manner with them from a distance, and the frame made from all around wooden frame or other materials and thermal insulation material everywhere form some air chambers.
Be " the space temperature stationary field once " that guarantees to realize that breadboard only upwards dispels the heat that the fender and the breadboard temperature difference are as far as possible little on the one hand; On the other hand, need to guarantee that base plate is consistent with the breadboard internal surface temperature or approaching consistent.
U.S.'s " textile material heat-conductive characteristic method of testing standard " [Standard test method forthermal transmittance of textilematerials; be called for short A.S.T.M.D1518-1985 (2003)] 8.1.2 point out that partly the maximum temperature difference between fender or base plate and the breadboard is 0.3 ℃.
Problem is, hot plate is the object that there is thermal source inside, and its Temperature Distribution of direction in space once perpendicular to the plate face is very inhomogeneous.Inner portion temperature near thermal source is the highest, and the upper surface of breadboard, fender is owing to will dispel the heat, and temperature is minimum, and the breadboard internal surface temperature is between its upper surface and internal temperature.Therefore, so-called hot plate temperature is meant which position then seems extremely important, does not clearly set forth in China's national standard.The sensor that 5.5.1 bar explanation is used to detect hot plate temperature in A.S.T.M.D 1518-1985 (2003) standard is placed in the inside of plate, and as much as possible near the outside surface of plate.In fact; the way of countries such as China, Japan, the U.S. is all similar with U.S. A.S.T.M.D 1518-1985 (2003) standard at present; therefore, everybody thinks: fender and breadboard temperature refer to its outside surface (being upper surface), and baseplate temp refers to its upper surface (being inside surface).
Therefore, owing to adopt the existing control method of " between base plate and the breadboard temperature consistent or near consistent " can not guarantee base plate with the breadboard internal surface temperature consistent or approaching unanimity.Also just can not avoid the heat of breadboard to transmit downwards by this temperature control mode, can't form breadboard only to " the space temperature stationary field once " of a direction heat radiation, therefore not meet the pyrology principle of tester for testing thermal insulation performance of flat-plate type fabric test.
Summary of the invention technical matters to be solved by this invention is, a kind of control method and device of temperature field of tester for testing thermal insulation performance of flat-plate type fabric are provided, can only upwards transmit by the heat that changes temperature control mode warranty test plate, in order to overcome the deficiency of existing method and product.
The technical solution adopted for the present invention to solve the technical problems is as follows:
A kind of control method of temperature field of tester for testing thermal insulation performance of flat-plate type fabric; tester for testing thermal insulation performance of flat-plate type fabric comprises that mainly inside is separately installed with the breadboard of heater, fender and base plate; and supporting temperature shows, control device; wherein base plate is arranged at fender and breadboard below; it is characterized in that: with the plate upper surface temperature control to stable after the breadboard underlaying surface temperature consistent, maximum temperature difference is no more than 0.3 ℃.
Be separately installed with temperature sensor at the lower surface of breadboard and the upper surface of base plate, one of them temperature sensor shows the breadboard underlaying surface temperature, and by heating control system with the plate upper surface temperature control to stable after the breadboard underlaying surface temperature consistent, maximum temperature difference is no more than 0.3 ℃.
Adopt the control device of the temperature field of tester for testing thermal insulation performance of flat-plate type fabric of above-mentioned control method, it is characterized in that: comprise casing and demonstration and electric control gear, the base plate that inside is provided with the base plate heater strip is fixed on the lower end of casing, the breadboard that inside is provided with the breadboard heater strip be fixed in the middle of the fender and with the fender coplane, temperature sensor is set respectively on the upper surface of breadboard lower surface and base plate; Described temperature sensor is connected with electric control gear with demonstration respectively.
Breadboard is provided with two groups or three groups of temperature sensors, and wherein one group of sensor is fixed in the lower surface of breadboard, i.e. inside surface.
Base plate is provided with one group or two groups of temperature sensors, and wherein one group of sensor is fixed in plate inner surface, i.e. upper surface.
The present invention has following characteristics: the mistake in the testing standard method of existing China, the U.S., Japan is corrected, at breadboard lower surface and plate upper surface temperature sensor is set, the detected temperature value of the sensor is compared, and according to the temperature of mathematical model control base plate, to guarantee the synchronous variation of plate upper surface temperature and breadboard internal surface temperature, finally avoided the heat of breadboard to transmit downwards, guarantee the unicity of breadboard heat transferred direction, guarantee the correct of test result.
Description of drawings Fig. 1 is the structural representation of the embodiment of the invention.
Embodiment control method of the present invention is: the inside surface at breadboard and base plate is separately installed with temperature sensor, one of them temperature sensor shows the breadboard internal surface temperature, and by heating control system the plate inner surface temperature being controlled to consistently with stable back breadboard internal surface temperature, the temperature difference is no more than 0.3 ℃.
As shown in Figure 1; the embodiment of control device of the present invention mainly comprises casing 2; show and electric control gear; the base plate 1 that inside is provided with base plate heater strip 11 is fixed on the lower end of casing 2; fender 3 is fixed on the upper end of casing 2, and the breadboard 4 that inside is provided with breadboard heater strip 6 is fixed in the middle of the fender 3.
Breadboard upper sensor 5 is fixed in the upper surface of breadboard 4, and the breadboard sensor 7 that is used for controlling breadboard 4 temperature is fixed in breadboard heater strip 6, and breadboard lower sensor 8 is fixed in the lower surface of breadboard 4.
In fender 3, also be provided with heater strip and temperature sensor, in order to avoid the heat transferred between breadboard and the fender.The heat transferred direction of finally guaranteeing breadboard for plate vertically upward, promptly only transmit to the test material direction, make the heat insulation test result more accurate.
Claims (6)
1, a kind of control method of temperature field of tester for testing thermal insulation performance of flat-plate type fabric; tester for testing thermal insulation performance of flat-plate type fabric comprises that mainly inside is separately installed with the breadboard of heater, fender and base plate; and supporting temperature shows, control device; wherein base plate is arranged at fender and breadboard below; it is characterized in that: with the plate upper surface temperature control to stable after the breadboard underlaying surface temperature consistent, maximum temperature difference is no more than 0.3 ℃.
2, the control method of temperature field of tester for testing thermal insulation performance of flat-plate type fabric as claimed in claim 1, it is characterized in that: be separately installed with temperature sensor at the lower surface of breadboard and the upper surface of base plate, one of them temperature sensor shows the breadboard underlaying surface temperature, and by heating control system with the plate upper surface temperature control to stable after the breadboard underlaying surface temperature consistent, maximum temperature difference is no more than 0.3 ℃.
3, adopt the control device of the temperature field of tester for testing thermal insulation performance of flat-plate type fabric of claim 1 or 2 described control methods, it is characterized in that: comprise casing (2) and demonstration and electric control gear, the base plate (1) that inside is provided with base plate heater strip (11) is fixed on the lower end of casing (2), the breadboard (4) that inside is provided with breadboard heater strip (6) be fixed in the middle of the fender (3) and with fender (3) coplane, on the upper surface of breadboard (4) lower surface and base plate (1) temperature sensor is set respectively; Described temperature sensor is connected with electric control gear with demonstration respectively.
4, the control device of temperature field of tester for testing thermal insulation performance of flat-plate type fabric according to claim 3, it is characterized in that: breadboard (4) is provided with two groups or three groups of temperature sensors, wherein one group of sensor is fixed in the lower surface of breadboard (4), i.e. inside surface.
5, the control device of temperature field of tester for testing thermal insulation performance of flat-plate type fabric according to claim 3 is characterized in that: base plate (1) is provided with one group or two groups of temperature sensors, and wherein one group of sensor is fixed in base plate (1) inside surface, i.e. upper surface.
6, the control device of temperature field of tester for testing thermal insulation performance of flat-plate type fabric according to claim 4 is characterized in that: base plate (1) is provided with one group or two groups of temperature sensors, and wherein one group of sensor is fixed in base plate (1) inside surface, i.e. upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100453350A CN100498315C (en) | 2006-07-06 | 2006-07-06 | Method and apparatus for controlling temperature field of tester for testing thermal insulation performance of flat-plate type fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100453350A CN100498315C (en) | 2006-07-06 | 2006-07-06 | Method and apparatus for controlling temperature field of tester for testing thermal insulation performance of flat-plate type fabric |
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| Publication Number | Publication Date |
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| CN1885015A CN1885015A (en) | 2006-12-27 |
| CN100498315C true CN100498315C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100453350A Expired - Fee Related CN100498315C (en) | 2006-07-06 | 2006-07-06 | Method and apparatus for controlling temperature field of tester for testing thermal insulation performance of flat-plate type fabric |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590270A (en) * | 2012-02-07 | 2012-07-18 | 绍兴文理学院 | Device and method for detecting heat preservation performance of silk quilt |
| CN102661971B (en) * | 2012-05-16 | 2014-07-02 | 中原工学院 | Textile material thermal insulation property test instrument for simulating all-weather weather conditions |
| CN102967626B (en) * | 2012-11-28 | 2016-09-28 | 联润翔（青岛）纺织科技有限公司 | Phase-change material temperature adjustment function textile inspection method |
| CN103760188B (en) * | 2014-01-07 | 2015-09-02 | 莱州市电子仪器有限公司 | Bedding tester for testing thermal insulation performance |
| CN106018475A (en) * | 2016-07-20 | 2016-10-12 | 北京中丽制机工程技术有限公司 | Insulation material detection device and apparatus |
| CN111220644A (en) * | 2018-11-26 | 2020-06-02 | 上海天祥质量技术服务有限公司 | Quilt warm-keeping performance testing method and testing device adopted by same |
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2006
- 2006-07-06 CN CNB2006100453350A patent/CN100498315C/en not_active Expired - Fee Related
Non-Patent Citations (4)
| Title |
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| 中华人民共和国国家标准 纺织品保温性能试验方法. 196-199. 1989 |
| 中华人民共和国国家标准 纺织品保温性能试验方法. 196-199. 1989 * |
| 平板式保温仪传热系数与保温率的关系研究. 郁幼君等.上海纺织科技，第32卷第4期. 2004 |
| 平板式保温仪传热系数与保温率的关系研究. 郁幼君等.上海纺织科技，第32卷第4期. 2004 * |
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