CN201503406U - Improved flat plate instrument for testing thermal performance of fabric - Google Patents

Improved flat plate instrument for testing thermal performance of fabric Download PDF

Info

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
Authority
CN
China
Prior art keywords
hot plate
hot
temperature
measuring
backplate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200920210721XU
Other languages
Chinese (zh)
Inventor
陈益松
徐军
吴新侠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Donghua University
Original Assignee
Donghua University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Donghua University filed Critical Donghua University
Priority to CN200920210721XU priority Critical patent/CN201503406U/en
Application granted granted Critical
Publication of CN201503406U publication Critical patent/CN201503406U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

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

A kind of modified fabric thermal performance test slab instrument
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.
CN200920210721XU 2009-10-14 2009-10-14 Improved flat plate instrument for testing thermal performance of fabric Expired - Fee Related CN201503406U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920210721XU CN201503406U (en) 2009-10-14 2009-10-14 Improved flat plate instrument for testing thermal performance of fabric

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200920210721XU CN201503406U (en) 2009-10-14 2009-10-14 Improved flat plate instrument for testing thermal performance of fabric

Publications (1)

Publication Number Publication Date
CN201503406U true CN201503406U (en) 2010-06-09

Family

ID=42454338

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200920210721XU Expired - Fee Related CN201503406U (en) 2009-10-14 2009-10-14 Improved flat plate instrument for testing thermal performance of fabric

Country Status (1)

Country Link
CN (1) CN201503406U (en)

Cited By (14)

* Cited by examiner, † Cited by third party
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
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

Cited By (18)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN201503406U (en) Improved flat plate instrument for testing thermal performance of fabric
CN103454306B (en) A kind of detection measuring method of heat conduction coefficient tester
CN101915778B (en) Apparatus and method for measuring thermal coefficients by adopting guarded thermal plate method
CN102288641A (en) Method for measuring high temperature thermal conductivity coefficient
CN104180929B (en) A kind of calibration steps of TR heat flow transducer
CN103983660B (en) A kind of indoor rock sample test device of thermal conductivity coefficient
CN103196949A (en) Heat resistance heat flow meter calibration method and implementation device thereof
CN110174434B (en) Method for measuring heterogeneous content and distribution in porous material
CN104749210A (en) Method for measuring rock thermal coefficient of linear expansion by utilizing pressure tester
CN104280419A (en) Method for testing material heat conductivity coefficient through transient plane heat source method
CN202171579U (en) Double test piece protection hot plate method heat conducting instrument
CN103868948A (en) Method for correcting heat exchange power of heat conductivity tester through single-test piece guarded hot plate method
CN104267060A (en) Method for measuring heat conductivity of active heat-protection type calorimeter by virtue of quasi-steady-state method and correction method of active heat-protection type calorimeter
CN100424502C (en) Detecting method for convection heat exchange coefficient and its convection heat coefficient sonsor
CN102721721B (en) Thermal diffusivity sensor chip with silicon cup structure and preparation method of thermal diffusivity sensor chip
CN104267070A (en) Device for measuring heat conductivity coefficient of liquid on basis of transient plane source method
CN108195879A (en) The method that Transient Method measures material thermal conductivity and thermal diffusion coefficient
CN105021650A (en) Device for measuring heat conduction coefficient by means of guarded hot plate method
CN105466575B (en) Measuring device and calibration method for consistency calibration
WO2001069341A3 (en) A method of measuring and adjusting room temperature
CN203672806U (en) Heat insulation effect evaluation device for mineral powder material
CN105116008A (en) System component based on accomplishing measurement of heat conductivity coefficients of to-be-test samples with different thicknesses
CN205449641U (en) Metal bath optics temperature measuring device
CN103529073B (en) A kind of asymmetric hot plate instrument
CN104132963A (en) Device for detecting thermal contact resistance under micro-stress condition

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100609

Termination date: 20121014