CN205038179U - Building envelope internal surface transient state coefficient of heat transfer apparatus - Google Patents
Building envelope internal surface transient state coefficient of heat transfer apparatus Download PDFInfo
- Publication number
- CN205038179U CN205038179U CN201520811357.8U CN201520811357U CN205038179U CN 205038179 U CN205038179 U CN 205038179U CN 201520811357 U CN201520811357 U CN 201520811357U CN 205038179 U CN205038179 U CN 205038179U
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- heat transfer
- wind speed
- speed tester
- temperature sensor
- horizontal stripe
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Abstract
The utility model discloses a building envelope internal surface transient state coefficient of heat transfer apparatus, include: braced frame, braced frame's one end edge is provided with wind speed tester and thermal radiometer, in be provided with many horizontal bars between the braced frame, horizontal bar and setting the wind speed tester reaches the end limit of thermal radiometer is parallel, each it do not is provided with temperature sensor to equally divide on the horizontal bar, the wind speed tester the thermal radiometer with temperature sensor all with treater electricity signal connection. This tester structure is simple, the easy to use, and the real data of survey wall body internal surface heat transfer that can be accurate provides accurate foundation for the aassessment of green and energy -saving building efficiency.
Description
Technical field
The utility model relates to wall heat transfer resistance technical field of measurement and test, especially, relates to a kind of architectural exterior-protecting construction inside surface Transient Heat Transfer coefficient measuring instrument.
Background technology
Building is by building enclosure, comprise the space that body of wall, roofing, door and window, ground etc. enclose, this space closed and outdoor environment generation heat transmit-conduct heat, conduct heat primarily of the heat absorption of building enclosure surfaces externally and internally, heat release and self heat conduction three basic process compositions, the heat transfer of wall-body energy saving and room air shows as heat radiation and thermal convection two kinds of forms.The heat transfer coefficient of current surface of wall adopts experience to select fixed value R
ifor 0.11m
2k/W, but in fact, differ comparatively large from the surface of wall convection transfer rate result extracted Transient Heat Transfer with this default value, the correlative study utilizing detection instrument to test wall-body energy saving Transient Heat Transfer coefficient exactly still belongs to blank.
Utility model content
The utility model object is to provide a kind of architectural exterior-protecting construction inside surface Transient Heat Transfer coefficient measuring instrument, to solve in prior art, differ comparatively large from the surface of wall convection transfer rate result extracted Transient Heat Transfer with default value, there is no the problem of detection instrument Accurate Determining.
For achieving the above object, the utility model provides a kind of architectural exterior-protecting construction inside surface Transient Heat Transfer coefficient measuring instrument, comprising: support frame, the limit, one end of described support frame is provided with wind speed tester and thermal radiometer; Many horizontal stripes are provided with between described support frame, described horizontal stripe is parallel with the end limit arranging described wind speed tester and described thermal radiometer, horizontal stripe described in each is provided with temperature sensor respectively, and described wind speed tester, described thermal radiometer and described temperature sensor are all connected with a processor electric signal.
Further, certainly arrange one end of described wind speed tester and described thermal radiometer, the spacing between two adjacent described horizontal stripes becomes large successively, arranges in logarithmic relationship X=-dln (a); Described X is the distance of described horizontal stripe and tested surface of wall; D=20mm-30mm is air heating power thickness index; Described a=0.01-1 is humidity index.
Further, described horizontal stripe is provided with 6, horizontal stripe described in each root is provided with 2-3 described temperature sensor.
The utility model has following beneficial effect:
This tester structure is simple, is easy to use, and can measure the real data of wall-body energy saving heat exchange accurately, for Green energy-saving buildings energy efficiency evaluation provides accurate foundation.
Accompanying drawing explanation
Below with reference to figure, the utility model is described in further detail.The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of architectural exterior-protecting construction inside surface of the utility model Transient Heat Transfer coefficient measuring instrument preferred embodiment.
Description of reference numerals:
1, tested body of wall; 101, support frame; 102, wind speed tester; 103, thermal radiometer; 104, horizontal stripe; 105, temperature sensor; 106, processor.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Refer to Fig. 1, preferred embodiment of the present utility model provides a kind of architectural exterior-protecting construction inside surface Transient Heat Transfer coefficient measuring instrument, comprising: support frame 101, the limit, one end of described support frame 101 is provided with wind speed tester 102 and thermal radiometer 103; Many horizontal stripes 104 are provided with between described support frame 101, described horizontal stripe 104 is parallel with the end limit arranging described wind speed tester 102 and described thermal radiometer 103, horizontal stripe 104 described in each is provided with temperature sensor 105 respectively, and described wind speed tester 102, described thermal radiometer 103 and described temperature sensor 105 are all connected with processor 106 electric signal.
When testing, support frame 101 is arranged wind speed tester 102 to be adjacent to the end limit of thermal radiometer 103 and the surface of tested body of wall 1, wind speed tester 102 is for the wind speed of measuring distance tested body of wall 1 inside surface, thermal radiometer 103 is for testing the heat radiation of tested body of wall 1 inside surface, the air Temperature Difference perpendicular to tested body of wall 1 inside surface tested by temperature sensor 105, be transferred to processor 106 after these three groups of data messages being detected and carry out computing, obtain the instantaneous coefficient of heat transfer of wall-body energy saving according to stability maintenance state heat transfer theory.This tester structure is simple, is easy to use, and can measure the real data of wall-body energy saving heat exchange accurately, for Green energy-saving buildings energy efficiency evaluation provides accurate foundation.
Preferably, for improving the detection accuracy of tester, certainly arrange one end of described wind speed tester 102 and described thermal radiometer 103, the spacing between adjacent two described horizontal stripes 104 becomes large successively, arranges in logarithmic relationship X=-dln (a); Described X is the distance on described horizontal stripe 104 and tested body of wall 1 surface; D=20mm-30mm is air heating power thickness index; Described a=0.01-1 is humidity index.
Preferably, described horizontal stripe 104 is provided with 6, horizontal stripe 104 described in each root is provided with 2-3 described temperature sensor 105.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model; For a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. an architectural exterior-protecting construction inside surface Transient Heat Transfer coefficient measuring instrument, is characterized in that, comprising:
Support frame, the limit, one end of described support frame is provided with wind speed tester and thermal radiometer; Many horizontal stripes are provided with between described support frame, described horizontal stripe is parallel with the end limit arranging described wind speed tester and described thermal radiometer, horizontal stripe described in each is provided with temperature sensor respectively, and described wind speed tester, described thermal radiometer and described temperature sensor are all connected with a processor electric signal.
2. a kind of architectural exterior-protecting construction inside surface Transient Heat Transfer coefficient measuring instrument according to claim 1, is characterized in that:
From the one end arranging described wind speed tester and described thermal radiometer, the spacing between two adjacent described horizontal stripes becomes large successively, arranges in logarithmic relationship X=-dln (a); Described X is the distance of described horizontal stripe and tested surface of wall; D=20mm-30mm is air heating power thickness index; Described a=0.01-1 is humidity index.
3. a kind of architectural exterior-protecting construction inside surface Transient Heat Transfer coefficient measuring instrument according to claim 1 and 2, is characterized in that:
Described horizontal stripe is provided with 6, horizontal stripe described in each root is provided with 2-3 described temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811357.8U CN205038179U (en) | 2015-10-20 | 2015-10-20 | Building envelope internal surface transient state coefficient of heat transfer apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811357.8U CN205038179U (en) | 2015-10-20 | 2015-10-20 | Building envelope internal surface transient state coefficient of heat transfer apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205038179U true CN205038179U (en) | 2016-02-17 |
Family
ID=55297075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520811357.8U Withdrawn - After Issue CN205038179U (en) | 2015-10-20 | 2015-10-20 | Building envelope internal surface transient state coefficient of heat transfer apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205038179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203594A (en) * | 2015-10-20 | 2015-12-30 | 江苏省建筑工程质量检测中心有限公司 | Transient heat-transfer coefficient tester for inner surface of building enclosure |
-
2015
- 2015-10-20 CN CN201520811357.8U patent/CN205038179U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203594A (en) * | 2015-10-20 | 2015-12-30 | 江苏省建筑工程质量检测中心有限公司 | Transient heat-transfer coefficient tester for inner surface of building enclosure |
| CN105203594B (en) * | 2015-10-20 | 2018-07-06 | 江苏省建筑工程质量检测中心有限公司 | A kind of architectural exterior-protecting construction inner surface Transient Heat Transfer coefficient measuring instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160217 Effective date of abandoning: 20180706 |