CN106814103A - A kind of device for measuring vacuum glass heat transfer coefficient - Google Patents
A kind of device for measuring vacuum glass heat transfer coefficient Download PDFInfo
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- CN106814103A CN106814103A CN201611171344.4A CN201611171344A CN106814103A CN 106814103 A CN106814103 A CN 106814103A CN 201611171344 A CN201611171344 A CN 201611171344A CN 106814103 A CN106814103 A CN 106814103A
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- hot plate
- vacuum glass
- cold drawing
- heat transfer
- transfer coefficient
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
A kind of device for measuring vacuum glass heat transfer coefficient, including vacuum glass, vacuum glass upper and lower ends are respectively arranged with hot plate and cold drawing, hot plate is respectively arranged with glass compressing device with cold drawing outside, and hot plate temperature regulating device, cold drawing temperature regulating device are provided with hot plate, cold drawing；Hot plate is connected in measurement Control ＆ data acquisition system with the signal end of cold drawing；The detailed process of U values measurement mainly includes following content：Vacuum glass is added between hot plate and cold drawing and the pressure between cold-hot plate is kept between 2 3KPa, after hot plate and heat metering area heater power or heat-flow meter reading on cold drawing is read after hot plate and cold drawing hot-fluid stabilization, vacuum glass U values is calculated；Data acquisition can repeatedly take average, for example, a secondary data is gathered per 300s, take 10 average values of data as final measurement U values；Certainty of measurement and stability can so be improved；The present invention has simple structure, the characteristics of practical.
Description
Technical field
The present invention relates to measure vacuum glass heat transfer unit (HTU) technical field, more particularly to a kind of measurement vacuum glass heat transfer system
Several devices.
Background technology
Used as the novel glass product of current building field, vacuum glass is good because of thermal and insulating performance, and insulate against sound excellent, weight
Gently, received much concern the advantages of thickness of thin.But due to the special thermal conductivity approach of vacuum glass：Radiation thermal conductivity, supporter thermal conductivity and
Residual gas thermal conductivity；Plus vacuum glass heat transfer coefficient ultralow in itself：U values can as little as 0.3W/m2K, is suitable for hollow at present
The measuring method and device of glass transition coefficient have been no longer desirable for vacuum glass, or its certainty of measurement does not reach vacuum far
The measurement request of glass.Current vacuum glass technology is in the ascendant, also occurs in that some methods for the measurement of vacuum glass U values
And device, but these methods low, poor repeatability that all there is certainty of measurement, the problems such as measured value is influenced by ambient temperature big.More than
Railway Project seriously constrains certification and the industrialized production of vacuum glass product.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of device for measuring vacuum glass heat transfer coefficient, be based on
Hot-fluid steady method proposes a kind of high accuracy, and adaptation has the vacuum glass heat transfer coefficient detection limit of support array, with structure letter
It is single, the characteristics of practical.
To achieve these goals, the present invention is achieved through the following technical solutions：
A kind of device for measuring vacuum glass heat transfer coefficient, is included in the upper and lower ends of vacuum glass 1, is respectively arranged with hot plate
2 are respectively arranged with glass compressing device 4 with cold drawing 3, described hot plate 2 and the outside of cold drawing 3, are set on described hot plate 2, cold drawing 3
It is equipped with hot plate temperature regulating device 5, cold drawing temperature regulating device 6；Described hot plate 2 is connected to measurement control with the signal end of cold drawing 3
In data collecting system 7；
Described hot plate 2 is identical with the structure of cold drawing 3, respectively the heat metering area 8 including innermost layer, described calorimeter
The outside of amount area 8 is provided with thermal protection area 9.
Described thermal protection area 9 is hierarchy；Between described heat metering area 8 and thermal protection area 9, thermal protection area 9
Temperature difference control is carried out using thermopile.
Described heat metering area 8 is the heater or high-precision heat-flow meter of measurable heating power.
Described thermopile number scope is 2-12 pairs.
Gap between described heat metering area 8 and thermal protection area 9 and between thermal protection area 9 is designed as 2-10mm.
Described hot plate 2 is provided with cushion with contact jaw of the cold drawing 3 respectively with vacuum glass 1；Described cushion is
The soft material of high thermal conductivity coefficient.
Described vacuum glass 1 is internally provided with support meanss 10, and the spacing dimension between heat metering area 8 is filled for support
Put the integral multiple of spacing dimension between 10.
Beneficial effects of the present invention：
The present invention is based on thermal protection steady method, and hot-fluid leakage is protected and revised, therefore heat transfer coefficient measured value
Precision is very high, and repeatability is also fine, and by measurement ambient temperature effect.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is principle schematic of the invention.
Fig. 3 is that figure structure schematic representation is illustrated in multi-layer circular heat metering of the invention and thermal protection.
Fig. 4 is that figure structure schematic representation is illustrated in the square heat metering of multilayer of the present invention and thermal protection.
Specific embodiment
The present invention is described in detail in detail with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Fig. 1 Fig. 2：A kind of device for measuring vacuum glass heat transfer coefficient, is included in the upper and lower ends of vacuum glass 1,
Hot plate 2 and cold drawing 3 are respectively arranged with, described hot plate 2 is respectively arranged with glass compressing device 4, described heat with the outside of cold drawing 3
Hot plate temperature regulating device 5, cold drawing temperature regulating device 6 are provided with plate 2, cold drawing 3；Described hot plate 2 connects respectively with the signal end of cold drawing 3
It is connected in measurement Control ＆ data acquisition system 7；
Described hot plate 2 is provided with cushion with contact jaw of the cold drawing 3 respectively with vacuum glass 1；Described cushion is
The soft material of high thermal conductivity coefficient.
As shown in Figure 3, Figure 4：Described hot plate 2 is identical with the structure of cold drawing 3, respectively the heat metering area including innermost layer
8, the described outside of heat metering area 8 is provided with thermal protection area 9.
Described thermal protection area 9 is hierarchy；Between described heat metering area 8 and thermal protection area 9, thermal protection area 9
Temperature difference control is carried out using thermopile.
Described heat metering area 8 is the heater or high-precision heat-flow meter of measurable heating power.
Described thermopile number scope is 2-12 pairs.
Gap between described heat metering area 8 and thermal protection area 9 and between thermal protection area 9 is designed as 2-10mm.
Described vacuum glass 1 is internally provided with support meanss 10, and the spacing dimension between heat metering area 8 is filled for support
Put the integral multiple of spacing dimension between 10.
As shown in Figure 3, Figure 4：Dotted line in figure represents multilayer thermal protection, you can think 2 layers, 3 layers, 4 layers etc..Heat metering
The area in area 8 is designed according to the periodicity and measurement signal size of supporter array.Heat metering area 8 and thermal protection area 9,
Temperature difference control is carried out using thermopile between each thermal protection area 9.
Heat metering area 8 and thermal protection area 9 can be designed on hot plate 2, it is also possible to which design is on cold drawing 3.Heat metering
The element of area 8 can be the heater, or high-precision heat-flow meter of measurable heating power.By taking Fig. 4 as an example, if vacuum
The supporter array of glass 1 is square, if its spacing is a, is typically designed as 25-60mm, then square metering plate heat metering
Area 8 is designed as the integral multiple of a, and so metering plate suqare is consistent with supporter array periodicity, can accurately measure vacuum
The supporter thermal conductivity of glass 1.Above form is not limited to square as a example by square.Measure plate shape and branch in heat metering area 8
Support thing array configuration can be square, rectangle, and triangle is circular, oval, rhombus, parallelogram, hexagon etc..Heat
The temperature difference between metering zone 8 and thermal protection area 9 is controlled in the form of thermoelectric pile.The number scope of thermopile is 2-12
It is right.Temperature difference control accuracy is less than 0.1 degree.Gap design between heat metering area 8 and thermal protection area 9 and between thermal protection area 9
It is 2-10mm.There is hot-fluid short circuit to prevent the hot plate 2 caused by glass bending from being contacted with vacuum glass 1 with cold drawing 3, in hot plate
2 introduce cushion with cold drawing 3 and the contact surface of vacuum glass 1, and this layer is generally the soft material of high thermal conductivity coefficient, can be certain
Hot plate 2 is made up under pressure and contacts gap with cold drawing 3 and vacuum glass 1, prevent hot-fluid short circuit.
Operation principle of the invention：
The detailed process of U values measurement mainly includes following content：Vacuum glass 1 is added between hot plate 2 and cold drawing 3 and is kept
Pressure between cold-hot plate reads hot plate 2 with calorimeter on cold drawing 3 between 2-3KPa after hot plate 2 and the hot-fluid of cold drawing 3 are stable
The amount heater power of area 8 or heat-flow meter reading, are calculated vacuum glass U values.Data acquisition can repeatedly take average, for example
A secondary data is gathered per 300s, 10 average values of data is taken as final measurement U values.Can so improve certainty of measurement and
Stability.
Claims (7)
1. a kind of device for measuring vacuum glass heat transfer coefficient, is included in vacuum glass (1) upper and lower ends, is respectively arranged with hot plate
(2) with cold drawing (3), described hot plate (2) is respectively arranged with glass compressing device (4), described hot plate with cold drawing (3) outside
(2) hot plate temperature regulating device (5), cold drawing temperature regulating device (6), are provided with cold drawing (3)；Described hot plate (2) and the letter of cold drawing (3)
Number end is connected in measurement Control ＆ data acquisition system (7)；
Described hot plate (2) is identical with the structure of cold drawing (3), respectively the heat metering area (8) including innermost layer, described heat
Metering zone (8) outside is provided with thermal protection area (9).
2. a kind of device for measuring vacuum glass heat transfer coefficient according to claim 1, it is characterised in that described heat is prevented
Shield area (9) is hierarchy；Thermocouple is used between described heat metering area (8) and thermal protection area (9), thermal protection area (9)
Heap carries out temperature difference control.
3. it is according to claim 1 it is a kind of measure vacuum glass heat transfer coefficient device, it is characterised in that described heat
Metering zone (8) is the heater or high-precision heat-flow meter of measurable heating power.
4. it is according to claim 2 it is a kind of measure vacuum glass heat transfer coefficient device, it is characterised in that described thermoelectricity
Even heap number scope is 2-12 pairs.
5. it is according to claim 1 it is a kind of measure vacuum glass heat transfer coefficient device, it is characterised in that described heat
Gap between metering zone (8) and thermal protection area (9) and between thermal protection area (9) is designed as 2-10mm.
6. it is according to claim 1 it is a kind of measure vacuum glass heat transfer coefficient device, it is characterised in that described hot plate
(2) contact jaw of the cold drawing (3) respectively with vacuum glass (1) is provided with cushion；Described cushion is high thermal conductivity coefficient
Soft material.
7. it is according to claim 1 it is a kind of measure vacuum glass heat transfer coefficient device, it is characterised in that described vacuum
Glass (1) is internally provided with support meanss (10), the spacing dimension between heat metering area (8) be support meanss (10) between
The integral multiple of carpenters square cun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611171344.4A CN106814103A (en) | 2016-12-17 | 2016-12-17 | A kind of device for measuring vacuum glass heat transfer coefficient |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611171344.4A CN106814103A (en) | 2016-12-17 | 2016-12-17 | A kind of device for measuring vacuum glass heat transfer coefficient |
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| Publication Number | Publication Date |
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| CN106814103A true CN106814103A (en) | 2017-06-09 |
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| CN201611171344.4A Pending CN106814103A (en) | 2016-12-17 | 2016-12-17 | A kind of device for measuring vacuum glass heat transfer coefficient |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220652A (en) * | 2019-11-21 | 2020-06-02 | 中国航空工业集团公司北京长城计量测试技术研究所 | High-temperature heat conductivity coefficient measuring device based on protection hot plate method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2553378Y (en) * | 2002-07-22 | 2003-05-28 | 林福亨 | Automatic measuring device for testing vacuum glass thermal resistance |
| KR20030092971A (en) * | 2002-05-31 | 2003-12-06 | 김광우 | A testing method and equipment of thermal conduction for plate glass |
| CN2694268Y (en) * | 2003-12-11 | 2005-04-20 | 林福亨 | One-sided test vacuum glass thermal resistance instrument |
| CN101241091A (en) * | 2007-02-08 | 2008-08-13 | 北京秦润玻璃有限公司 | Building glass steady state heat resistance measuring equipment |
| CN201716278U (en) * | 2010-07-19 | 2011-01-19 | 中国建筑科学研究院 | Heat conduction coefficient measuring instrument with protective heat plate method |
| CN102590269A (en) * | 2012-01-19 | 2012-07-18 | 陕西科技大学 | Device for measuring thermal conductivity of vacuum glass |
| CN103376274A (en) * | 2012-04-12 | 2013-10-30 | 北京新立基真空玻璃技术有限公司 | Method and device for quickly measuring heat resistance of vacuum glass |
| CN103675017A (en) * | 2012-09-12 | 2014-03-26 | 北京中建建筑科学研究院有限公司 | Testing device and method for thermal conductivity coefficient of material |
-
2016
- 2016-12-17 CN CN201611171344.4A patent/CN106814103A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030092971A (en) * | 2002-05-31 | 2003-12-06 | 김광우 | A testing method and equipment of thermal conduction for plate glass |
| CN2553378Y (en) * | 2002-07-22 | 2003-05-28 | 林福亨 | Automatic measuring device for testing vacuum glass thermal resistance |
| CN2694268Y (en) * | 2003-12-11 | 2005-04-20 | 林福亨 | One-sided test vacuum glass thermal resistance instrument |
| CN101241091A (en) * | 2007-02-08 | 2008-08-13 | 北京秦润玻璃有限公司 | Building glass steady state heat resistance measuring equipment |
| CN201716278U (en) * | 2010-07-19 | 2011-01-19 | 中国建筑科学研究院 | Heat conduction coefficient measuring instrument with protective heat plate method |
| CN102590269A (en) * | 2012-01-19 | 2012-07-18 | 陕西科技大学 | Device for measuring thermal conductivity of vacuum glass |
| CN103376274A (en) * | 2012-04-12 | 2013-10-30 | 北京新立基真空玻璃技术有限公司 | Method and device for quickly measuring heat resistance of vacuum glass |
| CN103675017A (en) * | 2012-09-12 | 2014-03-26 | 北京中建建筑科学研究院有限公司 | Testing device and method for thermal conductivity coefficient of material |
Non-Patent Citations (2)
| Title |
|---|
| 韩松: "《中华人民共和国建材行业标准》", 1 December 2008 * |
| 麦梦秋: "BS EN 675-2011", 《道客巴巴》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220652A (en) * | 2019-11-21 | 2020-06-02 | 中国航空工业集团公司北京长城计量测试技术研究所 | High-temperature heat conductivity coefficient measuring device based on protection hot plate method |
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Application publication date: 20170609 |
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