CN202230042U - Cooling and heating box for measuring heat transmission coefficient of outer wall of building - Google Patents
Cooling and heating box for measuring heat transmission coefficient of outer wall of building Download PDFInfo
- Publication number
- CN202230042U CN202230042U CN2011203036971U CN201120303697U CN202230042U CN 202230042 U CN202230042 U CN 202230042U CN 2011203036971 U CN2011203036971 U CN 2011203036971U CN 201120303697 U CN201120303697 U CN 201120303697U CN 202230042 U CN202230042 U CN 202230042U
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- semiconductor cooler
- cooling
- controller
- wall
- temperature sensor
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Abstract
The utility model provides a cooling and heating box for measuring a heat transmission coefficient of an outer wall of a building, comprising a box body, a semiconductor cooler, a direct current power supply, a controller and a temperature sensor, wherein the box body is a square or rectangular structure with an opening, the semiconductor cooler is arranged at the bottom part of the box body, two side surfaces of the semiconductor cooler are respectively arranged at the inner side and the outer side of the box body, the temperature sensor is arranged in the box body, the semiconductor cooler is connected with the direct current power supply by the controller, and the temperature sensor is connected with the controller. When the cooling and heating box is used, two of the cooling and heating boxes are respectively connected as a heating box and a cooling box and are arranged at two opposite sides of the outer wall, and a heat-flow meter is used for measuring the heat transmission coefficient of the outer wall. The cooling and heating box has the advantages that: the semiconductor cooler is adopted to refrigerate or heat, the cooling and heating box is not provided with a sliding component and has good stability and high safety when in working, the refrigerant pollution is avoided, the temperatures of the inner surface and the outer surface of the outer wall are stable when the cooling and heating box is used, thereby preventing the to-be-checked area of the outer surface of the outer wall from being influenced by hit of rain and snow and direct irradiation of sunlight.
Description
Technical field
The utility model relates to the equipment that adopts the heat flow meter method that the external wall heat transfer coefficient is detected.
Background technology
Enforcement along with GB 50411-2007 " building energy conservation engineering construction quality acceptance specification "; The external wall heat transfer coefficient is as an emphasis index of building energy conservation; Inquired into by the relevant industries expert always; And traditional external wall heat transfer coefficient detection method is the laboratory simulation experiment, exists excessive cycle shortcomings such as (cycle reach 35 days).
Scene when cool and hot box is mainly used in external wall heat transfer coefficient employing heat flow meter method is detected.When detecting, ice chest and hot case be installed in the inside and outside both sides of external wall respectively; Set up the outside temperature difference in the exterior wall through the mode of refrigeration or heating; The temperature value in ice chest and the hot case is set in requirement according to the coherent detection standard; Make exterior wall high temperature side surface temperature be higher than the low temperature side relevant numerical, detect the heat transfer coefficient of exterior wall then with heat flow meter.Existing ice chest adopts the refrigeration machine refrigeration, and hot case adopts electric heater, adopts the ice chest complex structure of refrigeration machine refrigeration, and vibrations, noise are big.
The innovation and creation content
The purpose of the utility model is to propose a kind of on-the-spot cool and hot box that detects of external wall heat transfer coefficient that is used for, and it has job stability height, safe, no cold-producing medium pollution characteristics.
The utility model can be realized through following technical scheme:
A kind of cool and hot box that is used to detect the external wall heat transfer coefficient includes casing, refrigerator, direct supply, controller, temperature sensor, and casing is the square or rectangular configuration with opening, and aperture area is 0.3～1.5m
2, be provided with fixedly ear around casing is outer;
Described refrigerator is a semiconductor cooler; Semiconductor cooler is installed on bottom half; The one side of semiconductor cooler is positioned at box inside, and another side is positioned at the casing outside, is mounted with temperature sensor in the casing; Semiconductor cooler is connected to direct supply through controller, and temperature sensor is connected to controller;
Said controller can be an integrative-structure, and also can be the unitized construction of relay and temperature controller: relay be connected semiconductor cooler and direct supply, and temperature sensor is connected to relay through temperature controller.
Prioritization scheme is: casing adopts the stainless steel insulation foam plate to make.
During use; With the utility model installation of becoming a partner; With 2 cool and hot boxes be installed on respectively testee over against both sides; The opening of casing is over against measured object dignity and sealing, and the semiconductor cooler of a cool and hot box is connected to refrigeration (ice chest) in the case, the semiconductor cooler of another cool and hot box is connected in the case heats (hot case);
Set the temperature value of ice chest and hot case through controller; After the energized; The semiconductor cooler of ice chest and hot case is worked simultaneously; Ice chest stops when reaching the temperature value of setting freezing and keeping the temperature inside the box in the scope of setting, and hot case stops the scope that to heat and keep the temperature inside the box setting when reaching the temperature value of setting;
Like this, just a more stable temperature difference environment can be provided for the both sides of testee (exterior wall), the reusable heat flowmeter just can accurately have been measured the heat transfer coefficient of exterior wall.
The utlity model has following characteristics:
The refrigeration of this cool and hot box or add the thermal recovery semiconductor cooler does not have slide unit, equipment work good stability, safe, no cold-producing medium to pollute;
This cool and hot box can make whole testing process China and foreign countries within the walls, hull-skin temperature keeps stable, can avoid exterior wall to be examined the influence that regional outside surface receives sleet invasion and attack and sunlight direct projection simultaneously.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the right view of Fig. 1.
Fig. 3 detects external wall heat transfer coefficient synoptic diagram with the utility model.
Embodiment
With reference to figure 1, Fig. 2 and Fig. 3; A kind of cool and hot box that is used to detect the external wall heat transfer coefficient; Include casing 1, refrigerator 2, direct supply 3, controller 5, temperature sensor 4, casing 1 is for having the square structure of opening, and its inside dimension is 1000 * 1000 * 300mm; Casing 1 adopts the stainless steel insulation foam plate to make, and the outer of casing 1 is provided with fixedly ear 11 by opening part all around;
Described refrigerator 2 is a semiconductor cooler; Semiconductor cooler, the function that has refrigeration and heat, semiconductor cooler 2 is installed on casing 1 bottom; It simultaneously is positioned at casing 1 inboard; Another side is positioned at casing 1 outside, and the surface of semiconductor cooler 2 also is equipped with heat abstractor, substantial middle position mounting temperature sensor 4 in the casing 1;
The controller 5 of present embodiment is the combination of relay 51 and temperature controller 52: semiconductor cooler 2 is connected relay 51, and relay 51 connects direct supply 3, and temperature sensor 4 is connected to relay 51 through temperature controller 52.
During use; With the utility model installation of becoming a partner; With 2 casings 1 respectively with bolt pass engaging lug 11 be fixedly installed in exterior wall (testee) over against both sides (indoor and outdoors); The opening of casing 1 is connected to case in refrigeration (ice chest) with the semiconductor cooler that is installed on indoor cool and hot box 2 through wiring over against tested metope and sealing, the semiconductor cooler that is installed on outdoor cool and hot box 2 is connected in the case through wiring heats (hot case);
Set the temperature value of ice chest and hot case respectively through temperature controller 52; With the direct supply 3 outer AC powers that are connected to; Behind the power connection; The semiconductor cooler 2 of ice chest and hot case is worked simultaneously, and ice chest stops when reaching the temperature value of setting freezing and keeping the temperature inside the box in the scope of setting, and hot case stops the scope that to heat and keep the temperature inside the box setting when reaching the temperature value of setting;
Like this, with regard to for the both sides of testee (exterior wall) provide a more stable temperature difference environment, again with reference to figure 3; By detecting rules; In hot case, evenly lay 4 thermopairs 6 during measurement, in ice chest, evenly lay 4 heat flux plates 7,3 thermopairs 8 of every heat flux plates periphery; Whole thermopairs and heat flux plates are connected to heat flow meter 9, measure the heat transfer coefficient of exterior wall through heat flow meter 9.
Claims (3)
1. a cool and hot box that is used to detect the external wall heat transfer coefficient includes casing, refrigerator, direct supply, controller, temperature sensor, and casing is the square or rectangular configuration with opening, and aperture area is 0.3～1.5m
2, be provided with fixedly ear around casing is outer, it is characterized in that: described refrigerator is a semiconductor cooler; Semiconductor cooler is installed on bottom half; The one side of semiconductor cooler is positioned at box inside, and another side is positioned at the casing outside, is mounted with temperature sensor in the casing; Semiconductor cooler is connected to direct supply through controller, and temperature sensor is connected to controller.
2. cool and hot box according to claim 1 is characterized in that: said controller comprises relay and temperature controller, and relay connects semiconductor cooler and direct supply, and temperature sensor is connected to relay through temperature controller.
3. cool and hot box according to claim 1 and 2 is characterized in that: casing adopts the stainless steel insulation foam plate to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203036971U CN202230042U (en) | 2011-08-19 | 2011-08-19 | Cooling and heating box for measuring heat transmission coefficient of outer wall of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203036971U CN202230042U (en) | 2011-08-19 | 2011-08-19 | Cooling and heating box for measuring heat transmission coefficient of outer wall of building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202230042U true CN202230042U (en) | 2012-05-23 |
Family
ID=46080626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203036971U Expired - Fee Related CN202230042U (en) | 2011-08-19 | 2011-08-19 | Cooling and heating box for measuring heat transmission coefficient of outer wall of building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202230042U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076359A (en) * | 2013-01-08 | 2013-05-01 | 重庆大学 | Device for detecting heat transfer coefficient of building enclosing structure on site |
| CN104458801A (en) * | 2014-12-12 | 2015-03-25 | 中冶建筑研究总院有限公司 | Detection device and method for measuring heat conduction coefficient and heat resistance of component by adopting dynamic hot-box method |
| CN108535319A (en) * | 2018-06-14 | 2018-09-14 | 广东省有色工业建筑质量检测站有限公司 | Cool and hot box for detecting external wall heat transfer coefficient |
-
2011
- 2011-08-19 CN CN2011203036971U patent/CN202230042U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076359A (en) * | 2013-01-08 | 2013-05-01 | 重庆大学 | Device for detecting heat transfer coefficient of building enclosing structure on site |
| CN103076359B (en) * | 2013-01-08 | 2014-12-03 | 重庆大学 | Device for detecting heat transfer coefficient of building enclosing structure on site |
| CN104458801A (en) * | 2014-12-12 | 2015-03-25 | 中冶建筑研究总院有限公司 | Detection device and method for measuring heat conduction coefficient and heat resistance of component by adopting dynamic hot-box method |
| CN108535319A (en) * | 2018-06-14 | 2018-09-14 | 广东省有色工业建筑质量检测站有限公司 | Cool and hot box for detecting external wall heat transfer coefficient |
| CN108535319B (en) * | 2018-06-14 | 2021-06-15 | 广东省有色工业建筑质量检测站有限公司 | Cooling and heating box for detecting heat transfer coefficient of building outer wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20180819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |