CN201503406U - Improved flat plate instrument for testing thermal performance of fabric - Google Patents
Improved flat plate instrument for testing thermal performance of fabric Download PDFInfo
- Publication number
- CN201503406U CN201503406U CN200920210721XU CN200920210721U CN201503406U CN 201503406 U CN201503406 U CN 201503406U CN 200920210721X U CN200920210721X U CN 200920210721XU CN 200920210721 U CN200920210721 U CN 200920210721U CN 201503406 U CN201503406 U CN 201503406U
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- hot plate
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Abstract
The utility model relates to an improved flat plate instrument for testing thermal performance of a fabric, which comprises a measuring hot plate, a bottom hot protective plate and a lateral hot protective plate. Temperature sensors are respectively arranged on the upper and lower surfaces of the measuring hot plate, the temperature of the upper surface of the measuring hot plate is measured by the temperature sensor on the upper surface, the measuring hot plate is heated by a heating logic control unit, and the temperature sensor on the lower surface is only used as the datum reference of the bottom hot protective plate and the lateral hot protective plate for temperature control. The improved flat plate instrument eliminates the problem that the measured temperature is inconsistent with the actual temperature of the upper surface of the hot plate due to that the measuring hot plate of the previous flat plate instrument only uses the temperature sensor on the lower surface to carry out measuring and controlling; meanwhile, as the temperature sensor on the upper surface of the measuring hot plate is provided, system errors of the flat plate instrument can be conveniently corrected. Therefore, the measuring accuracy of the flat plate instrument is greatly improved.
Description
Technical field
The utility model relates to a kind of testing tool, especially a kind of modified fabric thermal performance test slab instrument.
Background technology
According to act.std (IS011092, GB11048), be that perspiration flat plate heat instrument also is that the flat plate heat instrument of non-perspiration all adopts initiatively thermal protection structure, periphery and the bottom surface of promptly measuring hot plate all have the thermal protection sheet of adding, be called for short hot backplate, consistent with the temperature of hot backplate inboard by control survey hot plate periphery with the temperature of bottom surface, can prevent that the heat of measuring hot plate from transmitting to periphery and bottom surface, thereby assurance is measured the heat folk prescription of hot plate to the tested fabric by its upper surface of covering, thereby makes the heat transfer property of fabric obtain measuring.
In order to prevent that the heat of measuring hot plate from transmitting to periphery and bottom surface, the temperature that will guarantee to measure base plate is consistent with the temperature of the hot backplate upper surface in the end, therefore, the temperature sensor of measuring hot plate in the surveyor's table of current structure places the lower surface of measuring hot plate, the temperature sensor of the hot backplate in the end then places the upper surface of the hot backplate in the end, if the temperature control of the upper surface of the hot backplate of the lower surface and the end of measurement hot plate is just the same, then measuring hot plate is zero to the heat of the hot backplate transmission in the end substantially.The temperature sensor of the hot backplate of side then places the inside surface of the hot backplate of side, usually its temperature control is the same with measurement hot plate bottom surface, if measuring the side of hot plate and the inside surface temperature difference of the hot backplate of side is zero, so, measuring hot plate also is zero to the heat of side surface direction transmission substantially.
In existing surveyor's table, it is generally acknowledged that measuring hot plate all is the manufacturing of high heat transfer metal material, it is very little to measure the hot plate upper and lower surface temperature difference, therefore, uses the measured temperature of temperature sensor of measuring the hot plate lower surface to represent to measure the temperature of hot plate upper surface.But inventor of the present utility model finds have certain thickness owing to measure hot plate, and the temperature of its upper surface is different with the temperature that its lower surface is measured.In hollow plate experiment and different thermal resistance fabric experiments of measuring, show it is the same though measure the hot plate underlaying surface temperature, the actual temperature diversity ratio of measuring the hot plate upper surface is bigger, and the temperature of upper surface is participated in thermal resistance calculation directly, therefore, can produce bigger influence to the accuracy of measuring.On the other hand, in theory as long as the temperature of hot backplate is identical with the temperature of measuring hot plate, measure between hot plate and the hot backplate and just do not have exchange heat, but in fact, have deviation owing to measure, the temperature of hot backplate can not be in full accord with the temperature of measuring hot plate, therefore, have exchange heat between measurement hot plate and the hot backplate, that is to say to measure to have systematic error, this all can cause the deviation of measurement result.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of modified fabric thermal performance test slab instrument and makes owing to the temperature contrast of the upper and lower surface existence of measuring hot plate is eliminated the influence of measurement result, thereby has improved the measurement accuracy of fabric thermal resistance.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of modified fabric thermal performance test slab instrument is provided, comprise: measure hot plate, be provided with first electric heater in the described measurement hot plate, and first temperature sensor be installed at the lower surface of measuring hot plate; Described measurement hot plate below is the hot backplate in the end, is provided with second electric heater in the hot backplate in the described end, and thereon mounted on surface second temperature sensor; Described measurement hot plate periphery is the hot backplate of side, is provided with the 3rd electric heater in the hot backplate of described side, and within it mounted on surface three-temperature sensor; Thermal insulation board is placed between the hot backplate of the described measurement hot plate and the described end and described measurement hot plate and the hot backplate of described side, and the upper surface of described measurement hot plate has been installed the 4th temperature sensor.
The measurement hot plate of this modified fabric thermal performance test slab instrument has adopted by the directly actuated heating steering logic of its upper surface the 4th temperature sensor unit.
Beneficial effect
In modified fabric thermal performance test slab instrument, owing to measure the heating power that the temperature of hot plate upper surface is a control survey hot plate that directly measure by the temperature sensor of measuring the hot plate upper surface and direct, eliminated in the past because measure the caused measuring error of hot plate upper and lower surface temperature difference, thereby improved the measurement accuracy of fabric thermal resistance.
The heat control that adds that the temperature sensor of measurement hot plate lower surface no longer participates in measuring hot plate in the modified hot-plate instrument, only passive perception is measured the temperature of hot plate lower surface and is controlled the temperature reference of heating as hot backplate in the end and the hot backplate of side with this, thereby make that the measurement hot plate is zero to the heat of hot backplate in the end and the hot backplate transmission of side substantially, thereby guarantee to measure the heat folk prescription of hot plate to tested fabric by its upper surface of covering.
But, therefore measure between hot plate and the hot backplate also can have certain exchange heat owing to the temperature of hot backplate can not be identical with the temperature of measuring hot plate.That is to say, can have systematic error, so need proofread and correct this measuring system.And in the process of proofreading and correct, need accurately to know the temperature of measuring the hot plate upper surface, so can more conveniently make the systematic error of system obtain proofreading and correct exactly, make measurement result reach the accurate of highest level at measurement hot plate upper surface sensor installation.
Description of drawings
Fig. 1 is a synoptic diagram of the present utility model;
Fig. 2 measures hot plate heating steering logic cell schematics in the utility model;
Fig. 3 is the hot backplate heating in an end steering logic cell schematics in the utility model;
Fig. 4 is the hot backplate heating of a side steering logic cell schematics in the utility model.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment of the present utility model is a kind of modified fabric thermal performance test slab instrument, comprising: measure hot plate 10, be provided with first electric heater 11 in this measurement hot plate, and at the lower surface of this measurement hot plate 10 first temperature sensor 2 be installed; There is the hot backplate 6 in the end these measurement hot plate 10 belows, are provided with second electric heater 5 in the hot backplate 6 in this end, and at the upper surface of the hot backplate 6 in this end second temperature sensor 4 have been installed; These measurement hot plate 10 peripheries have the hot backplate 7 of side, are provided with the 3rd electric heater 8 in the hot backplate 7 of this side, and at the inside surface of the hot backplate 7 of this side three-temperature sensor 3 have been installed; Measure hot plate 10 and the hot backplate 6 in the end and measure between hot plate 10 and the hot backplate 7 of side thermal insulation board 9 is arranged; The upper surface of this measurement hot plate 10 has also been installed the 4th temperature sensor 1.The measurement hot plate of this modified fabric thermal performance test slab instrument has adopted by the 4th temperature sensor 1 directly actuated heating steering logic unit.
As shown in Figure 1, the difference of this modified fabric thermal performance test slab instrument and traditional surveyor's table maximum is that present embodiment is on classic flat-plate instrument basis, install a temperature sensor additional at measurement hot plate upper surface, so surveyor's table is to measure temperature by the temperature sensor of measuring the hot plate upper surface, and directly controls heating steering logic unit by this temperature sensor and heat measuring hot plate.And the heat control that adds that the temperature sensor of measuring the hot plate lower surface does not participate in measuring hot plate, the temperature of hot plate lower surface is measured in only passive perception.
As shown in Figure 2, it is to be T by setting measurement hot plate upper surface temperature that the measurement hot plate of this modified fabric thermal performance test slab instrument adds heat control, and recording actual temperature by the temperature sensor of measuring the hot plate upper surface is t
1, and heat measuring hot plate by logic control element according to the difference of the temperature of the measurement hot plate upper surface of the temperature of actual measurement hot plate upper surface and setting, make and measure hot plate upper surface actual temperature t
1T is basic identical with design temperature.
This shows, owing to a temperature sensor has been installed at measurement hot plate upper surface, can directly record the temperature of measuring the hot plate upper surface, eliminated former cause and be installed in the measured temperature of temperature sensor of measuring the hot plate lower surface and replace measuring of the influence of the existing difference of hot plate upper surface temperature, thereby improved the measurement accuracy of fabric thermal resistance measurement result.
As shown in Figure 3, to add heat control be the temperature t that measures according to the temperature sensor of measuring the hot plate lower surface to the hot backplate in the end of this modified fabric thermal performance test slab instrument
2The temperature t of the hot backplate upper surface in the end that records with the sensor of the hot backplate upper surface in the end
3Between difference, by relevant logic control element the hot backplate upper surface in the end is heated, make the temperature t of measuring the hot plate lower surface
2Temperature t with the hot backplate upper surface in the end
3Basic identical.
As shown in Figure 4, the hot backplate steering logic of side of this modified fabric thermal performance test slab instrument is the temperature t that measures according to the temperature sensor of measuring the hot plate lower surface
2The temperature t of the hot apron internal surface of side that records with the sensor of the hot apron internal surface of side
4Between difference, heat by the relevant hot apron internal surface of logic control element offside, make the temperature t of measuring the hot plate lower surface
2Temperature t with the hot apron internal surface of side
4Basic identical.
Be not difficult to find, the heat control that adds that the temperature sensor of the measurement hot plate lower surface in this modified thermal performance test surveyor's table does not participate in measuring hot plate, only passive perception is measured the temperature of hot plate bottom surface and is controlled the temperature reference of heating as hot backplate in the end and the hot backplate of side with this, thereby make measuring hot plate is zero to the heat of hot backplate in the end and the hot backplate transmission of side substantially, thereby the heat folk prescription that guarantees to measure hot plate is to by covering the tested fabric of its upper surface.
Because the temperature of the temperature of hot backplate and measurement hot plate can not be identical, therefore measure between hot plate and the hot backplate and be bound to exist exchange heat.That is to say, can have systematic error, so need proofread and correct this measuring system.And in the process of proofreading and correct, need to know exactly the temperature of measuring the hot plate upper surface, so can make things convenient for and proofread and correct surveyor's table exactly measuring hot plate upper surface sensor installation, make measurement result reach higher level precisely.
Claims (2)
1. a modified fabric thermal performance test slab instrument comprises: measure hot plate (10), be provided with first electric heater (11) in the described measurement hot plate, and at the lower surface of measuring hot plate (10) first temperature sensor (2) has been installed; Described measurement hot plate (10) below is the hot backplate in the end (6), is provided with second electric heater (5) in the hot backplate in the described end (6), and thereon mounted on surface second temperature sensor (4); Described measurement hot plate (10) periphery is the hot backplate of side (7), is provided with the 3rd electric heater (8) in the hot backplate of described side (7), and within it mounted on surface three-temperature sensor (3); Thermal insulation board (9) is placed between the hot backplate of the described measurement hot plate (10) and the described end (6) and described measurement hot plate (10) and the hot backplate of described side (7), it is characterized in that the upper surface of described measurement hot plate (10) has been installed the 4th temperature sensor (1).
2. modified fabric thermal performance test slab instrument according to claim 1 is characterized in that, described measurement hot plate (10) has adopted by the directly actuated heating steering logic of the 4th temperature sensor (1) unit.
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CN200920210721XU CN201503406U (en) | 2009-10-14 | 2009-10-14 | Improved flat plate instrument for testing thermal performance of fabric |
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CN200920210721XU CN201503406U (en) | 2009-10-14 | 2009-10-14 | Improved flat plate instrument for testing thermal performance of fabric |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101936933A (en) * | 2010-07-01 | 2011-01-05 | 东华大学 | Device for testing open fire prevention and heat insulation performance of fabric |
CN102901684A (en) * | 2012-09-13 | 2013-01-30 | 黄乐军 | Heat-resistance and wear-resistance detection apparatus for high temperature-resistant gloves |
CN102967626A (en) * | 2012-11-28 | 2013-03-13 | 联润翔(青岛)纺织科技有限公司 | Method for detecting thermoregulation function textile made by phase-change material |
CN102998331A (en) * | 2011-09-09 | 2013-03-27 | 力丽企业股份有限公司 | Tester capable of continuously measuring heating and cooling of fabric |
CN103529073A (en) * | 2013-10-12 | 2014-01-22 | 东华大学 | Asymmetric hot plate instrument |
CN103760188A (en) * | 2014-01-07 | 2014-04-30 | 莱州市电子仪器有限公司 | Heat-preservation performance tester for beddings |
CN105738409A (en) * | 2011-04-17 | 2016-07-06 | 宁波纺织仪器厂 | Fabric heat and moisture resistance tester |
CN106018473A (en) * | 2016-07-15 | 2016-10-12 | 东华大学 | Rapid thermal resistance testing device for warm clothing material |
CN107478678A (en) * | 2017-09-25 | 2017-12-15 | 东华大学 | A kind of fabric photo-thermal Optical thin film method |
CN107643312A (en) * | 2017-10-23 | 2018-01-30 | 安吉艺科装饰材料科技有限公司 | A kind of antibacterial polypropylene fibre molecule carpet woven test device |
CN107741437A (en) * | 2017-09-25 | 2018-02-27 | 东华大学 | A kind of measurement apparatus of hot shield formula fabric photo-thermal absorptivity and infrared emittance |
CN108279254A (en) * | 2018-01-16 | 2018-07-13 | 东华大学 | A kind of fabric thermal resistance recurrence measurement method |
CN109507232A (en) * | 2018-12-28 | 2019-03-22 | 武汉纺织大学 | A kind of quick test fabric tester for testing thermal insulation performance |
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 |
-
2009
- 2009-10-14 CN CN200920210721XU patent/CN201503406U/en not_active Expired - Fee Related
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101936933A (en) * | 2010-07-01 | 2011-01-05 | 东华大学 | Device for testing open fire prevention and heat insulation performance of fabric |
CN101936933B (en) * | 2010-07-01 | 2012-02-22 | 东华大学 | Device for testing open fire prevention and heat insulation performance of fabric |
CN105738409A (en) * | 2011-04-17 | 2016-07-06 | 宁波纺织仪器厂 | Fabric heat and moisture resistance tester |
CN102998331A (en) * | 2011-09-09 | 2013-03-27 | 力丽企业股份有限公司 | Tester capable of continuously measuring heating and cooling of fabric |
CN102901684A (en) * | 2012-09-13 | 2013-01-30 | 黄乐军 | Heat-resistance and wear-resistance detection apparatus for high temperature-resistant gloves |
CN102967626A (en) * | 2012-11-28 | 2013-03-13 | 联润翔(青岛)纺织科技有限公司 | Method for detecting thermoregulation function textile made by phase-change material |
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 |
CN103529073B (en) * | 2013-10-12 | 2016-04-06 | 东华大学 | A kind of asymmetric hot plate instrument |
CN103529073A (en) * | 2013-10-12 | 2014-01-22 | 东华大学 | Asymmetric hot plate instrument |
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 |
CN103760188A (en) * | 2014-01-07 | 2014-04-30 | 莱州市电子仪器有限公司 | Heat-preservation performance tester for beddings |
CN106018473A (en) * | 2016-07-15 | 2016-10-12 | 东华大学 | Rapid thermal resistance testing device for warm clothing material |
CN107478678A (en) * | 2017-09-25 | 2017-12-15 | 东华大学 | A kind of fabric photo-thermal Optical thin film method |
CN107741437A (en) * | 2017-09-25 | 2018-02-27 | 东华大学 | A kind of measurement apparatus of hot shield formula fabric photo-thermal absorptivity and infrared emittance |
CN107643312A (en) * | 2017-10-23 | 2018-01-30 | 安吉艺科装饰材料科技有限公司 | A kind of antibacterial polypropylene fibre molecule carpet woven test device |
CN108279254A (en) * | 2018-01-16 | 2018-07-13 | 东华大学 | A kind of fabric thermal resistance recurrence measurement method |
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 |
CN109507232A (en) * | 2018-12-28 | 2019-03-22 | 武汉纺织大学 | A kind of quick test fabric tester for testing thermal insulation performance |
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C14 | Grant of patent or utility model | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20121014 |