CN108535319A - Cool and hot box for detecting external wall heat transfer coefficient - Google Patents
Cool and hot box for detecting external wall heat transfer coefficient Download PDFInfo
- Publication number
- CN108535319A CN108535319A CN201810614954.XA CN201810614954A CN108535319A CN 108535319 A CN108535319 A CN 108535319A CN 201810614954 A CN201810614954 A CN 201810614954A CN 108535319 A CN108535319 A CN 108535319A
- Authority
- CN
- China
- Prior art keywords
- babinet
- cool
- hot box
- heat transfer
- flexible piece
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000004065 semiconductor Substances 0.000 claims description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000002937 thermal insulation foam Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The embodiment of the invention discloses a kind of cool and hot box for detecting external wall heat transfer coefficient, including babinet, refrigerator, DC power supply, controller, temperature sensor, babinet is the rectangular or rectangular configuration with opening, and opening area is 1.0~2.0m2, fixed ear is surrounded by outside babinet, and the cool and hot box further includes sealing strip；The sealing strip includes multiple flexible pieces being set up in parallel；First face of each flexible piece is provided with triangle buckle, opposite with first face on the flexible piece to be provided with multiple arcs structure on one side, for offseting with the skin；It is provided with the multiple and triangle on the surface being bonded with the skin on the babinet and buckles matched triangle groove, the triangle buckle on the first face of the flexible piece is embedded into the triangular groove；Each flexible piece, which is integrally formed, to be made, and the material of the sealing strip is rubber, to realize the purpose for the accuracy for improving the detection of external wall heat transfer coefficient.
Description
Technical field
The present embodiments relate to external wall heat transfer coefficient detection techniques, more particularly to one kind is for detecting external wall
The cool and hot box of heat transfer coefficient.
Background technology
Cool and hot box is mainly for detection of external wall heat transfer coefficient.When detecting ice chest and hot tank are separately mounted to build
Inside and outside exterior wall, the outside temperature difference in exterior wall is established by way of freezing or heating, according to the requirement of coherent detection standard
The temperature value in ice chest and hot tank is set, so that exterior wall high temperature side surface temperature is higher than the corresponding numerical value of low temperature side, then uses hot-fluid
The heat transfer coefficient of meter detection exterior wall.
When actually detected, existing cool and hot box and the close layer of external wall be not tight, be easy to cause external wall heat transfer coefficient
Detection is inaccurate.
Invention content
The present invention provides a kind of cool and hot box for detecting external wall heat transfer coefficient, and external wall heat transfer is improved to realize
The purpose of the accuracy of coefficient detection.
An embodiment of the present invention provides a kind of cool and hot boxes for detecting external wall heat transfer coefficient, which includes case
Body, refrigerator, DC power supply, controller, temperature sensor, babinet are the rectangular or rectangular configuration with opening, opening area
For 1.0~2.0m2, fixed ear is surrounded by outside babinet；
The refrigerator is semiconductor cooler, and semiconductor cooler is installed on the bottom of box, the one of semiconductor cooler
Face is located at box inside, and another side is located on the outside of babinet, is mounted with temperature sensor in babinet, semiconductor cooler passes through control
Device is connected to DC power supply, and temperature sensor is connected to controller；
The cool and hot box further includes sealing strip；The sealing strip includes multiple flexible pieces being set up in parallel；Each flexibility
First face of part is provided with triangle buckle, opposite with first face on the flexible piece to be provided with multiple arcs knot on one side
Structure, for offseting with the skin；
Multiple buckle with the triangle is provided on the surface being bonded with the skin on the babinet to match
Triangle groove, the triangle buckle on the first face of the flexible piece is embedded into the triangular groove；
Each flexible piece, which is integrally formed, to be made, and the material of the sealing strip is rubber.
Further, the controller includes relay and temperature controller, and the relay connects the semiconductor system
Cooler and the DC power supply, the temperature sensor are connected to the relay by the temperature controller.
Further, the babinet is made of stainless steel insulation foam plate.
The embodiment of the present invention further includes sealing strip by the way that the cool and hot box is arranged；The sealing strip includes multiple is set up in parallel
Flexible piece；First face of each flexible piece is provided with triangle buckle, opposite with first face one on the flexible piece
Face is provided with multiple arcs structure, for offseting with the skin；It is pasted with the skin on the babinet
It is provided with the multiple and triangle on the surface of conjunction and buckles matched triangle groove, it is described on the first face of the flexible piece
Triangle buckle is embedded into the triangular groove；Each flexible piece, which is integrally formed, to be made, and the material of the sealing strip is rubber
Glue can improve the accuracy of external wall heat transfer coefficient detection.
Description of the drawings
Fig. 1 is a kind of structural representation for detecting the cool and hot box of external wall heat transfer coefficient provided in an embodiment of the present invention
Figure；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is a kind of partial structurtes for detecting the cool and hot box of external wall heat transfer coefficient provided in an embodiment of the present invention
Schematic diagram；
Fig. 4 is a kind of cool and hot box and external wall for detecting external wall heat transfer coefficient provided in an embodiment of the present invention
The partial structural diagram to offset；
Fig. 5 is that the cool and hot box using provided in an embodiment of the present invention for detecting external wall heat transfer coefficient carries out heat transfer system
When number detection, the connection relation signal of ice chest and hot tank；
Fig. 6 is that another cool and hot box and building for detecting external wall heat transfer coefficient provided in an embodiment of the present invention is outer
The partial structural diagram that wall offsets.
Specific implementation mode
The feature and principle of the present invention are described in detail below in conjunction with attached drawing, illustrated embodiment is only used for explaining this hair
It is bright, protection scope of the present invention is not limited with this.
Fig. 1 is a kind of structural representation for detecting the cool and hot box of external wall heat transfer coefficient provided in an embodiment of the present invention
Figure；Fig. 2 is the right view of Fig. 1；Fig. 3 is provided in an embodiment of the present invention a kind of for detecting the cold and hot of external wall heat transfer coefficient
The partial structural diagram of case；Fig. 4 is provided in an embodiment of the present invention a kind of for detecting the cold and hot of external wall heat transfer coefficient
The partial structural diagram that case offsets with external wall.Fig. 5 is to utilize provided in an embodiment of the present invention be used for outside detection building
When the cool and hot box of wall heat transfer coefficient carries out heat transfer coefficient detection, the connection relation signal of ice chest and hot tank.With reference to figure 1, Fig. 2, figure
3, Fig. 4 and Fig. 5, this is used to detect the cool and hot box of external wall heat transfer coefficient, including babinet 1, refrigerator 2, DC power supply 3, control
Device 5 processed, temperature sensor 4, babinet 1 are the rectangular or rectangular configuration with opening, and opening area is 1.0~2.0m2, babinet 1
Outer be surrounded by fixed ear 11.
Refrigerator 2 is semiconductor cooler, and semiconductor cooler is installed on 1 bottom of babinet, the one side of semiconductor cooler
Positioned at 1 inside of babinet, another side is located at 1 outside of babinet, is mounted with temperature sensor 4 in babinet 1, semiconductor cooler passes through control
Device 5 processed is connected to DC power supply 3, and temperature sensor 4 is connected to controller 5.
With continued reference to Fig. 3 and Fig. 4, cool and hot box further includes sealing strip 110；Sealing strip 110 include it is multiple be set up in parallel it is soft
Property part 12 (in Fig. 3 illustratively include four flexible pieces 12)；First face of each flexible piece 12 is provided with triangle buckle 121, soft
It is opposite with the first face on property part 12 to be provided with multiple arcs structure 122 on one side, for offseting with skin 200.Case
It is provided with multiple and triangle on the surface being bonded with skin 200 on body 1 and buckles 121 matched triangle grooves 112, it is soft
Property part 12 the first face on triangle buckle 121 be embedded into triangular groove 112；Each flexible piece 12, which is integrally formed, to be made, close
The material of strip of paper used for sealing 110 is rubber.
The embodiment of the present invention further includes sealing strip by the way that cool and hot box is arranged, and requires sealing strip on the one hand and skin
It offsets, is on the one hand matched with babinet, substantially utilize the gap between sealing strip filling babinet and skin, prevent
Only in actually detected heat transfer coefficient, the air outside air and cool and hot box in cool and hot box passes through between babinet and skin
Gap convection current, cause thermal loss, and then the bad phenomenon for influencing the accuracy of external wall heat transfer coefficient detection occurs, into
And improve the accuracy of external wall heat transfer coefficient detection.
Fig. 6 is that another cool and hot box and building for detecting external wall heat transfer coefficient provided in an embodiment of the present invention is outer
The partial structural diagram that wall offsets.With continued reference to Fig. 6, if skin 200 is uneven, since sealing strip 110 wraps
Multiple flexible pieces 12 being set up in parallel are included, flexible piece 12 can find corresponding deformation according to 200 concrete structure of skin, make
The shape and the shape of skin 200 for obtaining 12 arcuate structure 122 of flexible piece are mutually agreed with, and then achieve the effect that sealing.
Optionally, with continued reference to Fig. 1, controller 5 includes relay 51 and temperature controller 52：Semiconductor cooler 2 connects
Contact relay 51, relay 51 connect DC power supply 3, and temperature sensor 4 is connected to relay 51 by temperature controller 52.
In use, two cool and hot boxes provided by the present invention for detecting external wall heat transfer coefficient are needed, one of them
Ice chest is made, one is done hot tank.2 babinets 1 are fixedly mounted with bolt across engaging lug 11 respectively for ice chest and the peering installation of hot tank
In the face both sides of exterior wall (testee), the opening face of babinet 1 is tested metope and is sealed using sealing strip, and room will be installed on
The semiconductor cooler 2 of interior cool and hot box is connected as freezing (ice chest) in case by wiring, will be installed on outdoor cool and hot box
Semiconductor cooler 2 is connected as heating (hot tank) in case by wiring.
The temperature value for setting ice chest and hot tank by temperature controller 52 respectively will be connected to alternating current outside DC power supply 3
Source, after power supply is connected, the semiconductor cooler 2 of ice chest and hot tank works at the same time, and ice chest stops system when reaching the temperature value of setting
It is cold and keep the temperature inside the box in the range of setting, stop heating when hot tank reaches the temperature value of setting and the temperature inside the box is kept to set
Fixed range.
Thus the both sides for testee (exterior wall) provide a relatively stable temperature difference environment, and with reference to figure 5, press
Detect regulation, when measurement in hot tank uniformly distributed 4 thermocouples 6, uniformly distributed 4 pieces of heat flux plates 7, every piece of hot-fluid in ice chest
3 thermocouples 8 are arranged on plate periphery, and whole thermocouples and heat flux plates are connected to heat-flow meter 9, exterior wall is measured by heat-flow meter 9
Heat transfer coefficient.
Further, babinet 1 is made of stainless steel insulation foam plate.The benefit being arranged in this way is can to further prevent
The air outside air and cool and hot box in cool and hot box carries out heat exchange by the wall of babinet 1.
It is present pre-ferred embodiments above, it should be noted that without departing from the principles of the present invention, also
It can make several improvements and retouch, these improvements and modifications also should be regarded as the scope of the present invention.
Claims (3)
1. a kind of cool and hot box for detecting external wall heat transfer coefficient, including babinet, refrigerator, DC power supply, controller, temperature
Sensor is spent, babinet is the rectangular or rectangular configuration with opening, and opening area is 1.0~2.0m2, babinet is surrounded by solid outside
Determine ear, it is characterised in that：
The refrigerator is semiconductor cooler, and semiconductor cooler is installed on the bottom of box, the one side position of semiconductor cooler
In box inside, another side is located on the outside of babinet, is mounted with temperature sensor in babinet, semiconductor cooler is connected by controller
It is connected to DC power supply, temperature sensor is connected to controller；
The cool and hot box further includes sealing strip；The sealing strip includes multiple flexible pieces being set up in parallel；Each flexible piece
First face is provided with triangle buckle, opposite with first face on the flexible piece to be provided with multiple arcs structure on one side, uses
It offsets in the skin；
It is provided with the multiple and triangle on the surface being bonded with the skin on the babinet and buckles matched three
Angle groove, the triangle buckle on the first face of the flexible piece are embedded into the triangular groove；
Each flexible piece, which is integrally formed, to be made, and the material of the sealing strip is rubber.
2. cool and hot box according to claim 1, it is characterised in that：The controller includes relay and temperature controller,
The relay connects the semiconductor cooler and the DC power supply, the temperature sensor pass through the temperature controller
It is connected to the relay.
3. cool and hot box according to claim 1 or 2, it is characterised in that：The babinet uses stainless steel insulation foam plate system
Make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614954.XA CN108535319B (en) | 2018-06-14 | 2018-06-14 | Cooling and heating box for detecting heat transfer coefficient of building outer wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614954.XA CN108535319B (en) | 2018-06-14 | 2018-06-14 | Cooling and heating box for detecting heat transfer coefficient of building outer wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108535319A true CN108535319A (en) | 2018-09-14 |
| CN108535319B CN108535319B (en) | 2021-06-15 |
Family
ID=63470976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810614954.XA Expired - Fee Related CN108535319B (en) | 2018-06-14 | 2018-06-14 | Cooling and heating box for detecting heat transfer coefficient of building outer wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108535319B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917239A (en) * | 2019-03-01 | 2019-06-21 | 华南理工大学 | A system and method for measuring the discharge transfer temperature of a dirty surface of silicone rubber |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108535319B (en) | 2021-06-15 |
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Effective date of registration: 20220402 Address after: 510000 self compiled No. 1, No. 8, Xinxiang Road, Xintang Town, Zengcheng District, Guangzhou, Guangdong Province (plant A-1, office building A-3) Patentee after: Guangdong Chengke Testing Technology Co.,Ltd. Address before: 523000 101, 1333 Hulin Road, Huangpu District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG NONFERROUS INDUSTRY BUILDING QUALITY INSPECTION STATION Co.,Ltd. |
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Effective date of registration: 20221122 Address after: 510000 self compiled No. 1, No. 8, Xinxiang Road, Xintang Town, Zengcheng District, Guangzhou, Guangdong Province (plant A-1, office building A-3) Patentee after: Guangdong Chengke Testing Technology Co.,Ltd. Patentee after: GUANGDONG NONFERROUS INDUSTRY BUILDING QUALITY INSPECTION STATION Co.,Ltd. Address before: 510000 self compiled No. 1, No. 8, Xinxiang Road, Xintang Town, Zengcheng District, Guangzhou, Guangdong Province (plant A-1, office building A-3) Patentee before: Guangdong Chengke Testing Technology Co.,Ltd. |
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Granted publication date: 20210615 |