CN207571062U - Adjustable material thermal resistance hot-fluid determination experiment device - Google Patents
Adjustable material thermal resistance hot-fluid determination experiment device Download PDFInfo
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- CN207571062U CN207571062U CN201721547281.8U CN201721547281U CN207571062U CN 207571062 U CN207571062 U CN 207571062U CN 201721547281 U CN201721547281 U CN 201721547281U CN 207571062 U CN207571062 U CN 207571062U
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- thermal resistance
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- 239000012530 fluid Substances 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 title claims abstract description 26
- 238000002474 experimental method Methods 0.000 title claims abstract description 18
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 18
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000004088 simulation Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 4
- 239000004035 construction material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model belongs to material thermal resistance hot-fluid determination techniques field, more particularly, to a kind of adjustable material thermal resistance hot-fluid determination experiment device, it is characterized by comprising hot tanks, with the sealed connection of this hot tank and dismountable exterior wall, it is separately positioned on the thermocouple of this exterior wall both sides, the heat-flow meter and expansion flow fan I being arranged on exterior wall, the heat source being arranged in hot tank and expansion flow fan II.The adjustable material thermal resistance hot-fluid determination experiment apparatus structure of the utility model is simple, it is cheap, solve non-at-scene test problems, realize top surface, facade thermal resistance hot-fluid simulation, the material thermal resistance hot-fluid measure under the conditions of beam wind, crosswind is realized, realizes non-heating season thermal resistance hot-fluid test problems.
Description
Technical field
The utility model belongs to material thermal resistance hot-fluid determination techniques field, more particularly, to a kind of adjustable material thermal resistance heat
Flow determination experiment device.
Background technology
Construction material thermal resistance heat-flow meter method measurement experiment device is mainly used for measuring building enclosure structure thermal resistance and heat transfer system
Number.Partial devices can be applied to the research application of practical building enclosure component.Traditional construction material thermal resistance heat-flow meter method measures
Experimental provision mainly includes：Hot tank, heating system, thermocouple, heat-flow meter, temperature, thermal resistance signal acquiring system, multi channel testing
Instrument, data communication and processing software, hot tank cooling system etc..The device meets generally acknowledged specification.But the set system structure is complicated,
Lack the measurement situation simulation to top surface, facade material, in same season top surface and the air flow condition of facade surfaces externally and internally
It is hardly same, lack at present to its simulated experiment, another solution is to use the differential equation and mathematical technique, however is transported
It can become more cumbersome with the differential equation and mathematical technique, derive that more complicated situation so as to be unfavorable for drawing a conclusion, does not have
Simulated experiment is direct.Lack simulation to multiple air flow simultaneously, the heat between object is transmitted and can be carried out by air, it can thus be appreciated that object
The laminar flows of body superficial air can influence heat conduction.Thin layer of air thermal resistance is by air speed influence, such as beam wind, crosswind, therefore
Thin layer of air thermal resistance under varying environment is different, needs to measure and correct, Rt=Ro+d1/d2+d2/k2+dn/kn+Ri,
Ro, Ri are respectively outer inner surface thin layer of air thermal resistance.And the condition of cold house is set to be unsuitable for Site Detection and four seasons detection, no
Suitable for largely manufacturing.
Invention content
The purpose of the utility model is to provide a kind of novel adjustable material thermal resistance hot-fluid determination experiment device, the experiments
Device solves non-at-scene test problems, realize top surface, facade thermal resistance hot-fluid simulation, realize beam wind, crosswind condition
Under material thermal resistance hot-fluid measure, realize non-heating season thermal resistance hot-fluid test problems.
The purpose of this utility model is realized by following technical proposals：
The adjustable material thermal resistance hot-fluid determination experiment device of the utility model, it is characterised in that including hot tank, with this heat
Case is tightly connected and dismountable exterior wall, is separately positioned on the thermocouple of this exterior wall both sides, the hot-fluid being arranged on the exterior wall
Meter and expansion flow fan I, the heat source being arranged in the hot tank and expansion flow fan II.
The hot tank is 1m3Square.
The hot tank material is the heat-insulated benzene plate of 4cm-6cm thickness, and has tinfoil layer outside heat-insulated benzene plate herein.
The expansion flow fan I and expansion flow fan II is that low speed expands flow fan.
The thermocouple accuracy is 0.1 degree.
The advantages of the utility model：
The adjustable material thermal resistance hot-fluid determination experiment apparatus structure of the utility model is simple, cheap, solves non-
Site Detection problem, realize top surface, facade thermal resistance hot-fluid simulation, realize the material thermal resistance under the conditions of beam wind, crosswind
Hot-fluid measures, and realizes non-heating season thermal resistance hot-fluid test problems.
Description of the drawings
Fig. 1 is the structure diagram that the utility model surveys facade wall experimental state.
Fig. 2 is the structure diagram that the utility model surveys top surface wall experimental state.
Specific embodiment
Specific embodiment of the present utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, the adjustable material thermal resistance hot-fluid determination experiment device of the utility model, it is characterised in that including
Hot tank 1, is tightly connected and dismountable exterior wall 3 with this hot tank 1, is separately positioned on the thermocouple 2 of this 3 both sides of exterior wall, is arranged on
Heat-flow meter 1 and expansion flow fan I4 on the exterior wall 3, the heat source 5 being arranged in the hot tank 6 and expansion flow fan II7.
The hot tank 6 is 1m3Square.
6 material of hot tank is the heat-insulated benzene plate of 4cm-6cm thickness, and has tinfoil layer outside heat-insulated benzene plate herein.
The expansion flow fan I4 and expansion flow fan II7 is that low speed expands flow fan.Expand flow fan I4 for simulating difference
Air current composition operating mode, 6 inside (bottom) of hot tank sets heat source 5 and expands flow fan II7 with low speed, to ensure the one of the temperature inside the box
It causes.
2 accuracy of thermocouple is 0.1 degree, to record experimental data.
Embodiment is as follows, such as Fig. 1, surveys facade wall experimental state：
A, measured material geometric dimension is measured, measured material is placed in 6 left side of hot tank, and will uniformly be filled at gap
Cellular insulant ensures no gas leakage；
B, the place for setting the thermocouple 2 is polishing to smooth, thermocouple 2 is placed in smooth place, and be coated with thermal conductive silicon
Fat ensures to be in close contact seamless；Thermocouple 2 should be by inspection building enclosure both side surface installation；It is placed in the heat of 3 inner surface of exterior wall
Galvanic couple 2 should be installed close to heat-flow meter 1, and the thermocouple 2 for being placed in 3 outer surface of exterior wall is preferably installed with 1 corresponding position of heat-flow meter；
Thermocouple 2 together with 0.1m long leads should with by inspection intimate surface contact, the radiation coefficient on 2 surface of thermocouple should with by inspection surface base
This is identical；
C, start the heat source 5 and the expansion flow fan II7, set temperature treat that temperature reaches setting value and proceeds by survey
Amount, indoor air temperature should keep stable；
D, data record and processing；During detection, time recording heat flow density and inner and outer surfaces temperature are answered, records the time
Interval should not exceed 60min；The average value of recordable multiple repairing weld data, sampling interval are preferably shorter than sensor minimum time constant
1/2.
1 heat transfer coefficient of outer wall of table is tested
Institute's measured data is calculated by formula 1 using data：
In formula：Thermal resistance (the m of R- building enclosure main body sections2·k/w)；
θijThe jth time measured value (DEG C) of building enclosure main body section internal surface temperature；
θEjThe jth time measured value (DEG C) of building enclosure main body section hull-skin temperature；
qjThe jth time measured value (w/m of building enclosure main body section heat flow density2)。
The last calculated value of building enclosure main body section thermal resistance with for 24 hours before calculating；It is not much different in 5%；The detection phase
The calculating of long number of days interior building enclosure main body section thermal resistance similary with the last one in interior first INT (2 × DT/3) day
Value is not much different in 5%.
Note：DT is detection continuous days, and INT represents round numbers part.
As a result meet national regulation examination criteria.
If Fig. 2 is survey top surface wall experimental state, method is same as above.
The utility model is simple in structure, cheap, solves non-at-scene test problems, realize top surface, facade heat
The simulation of thermal resistance stream realizes the material thermal resistance hot-fluid measure under the conditions of beam wind, crosswind, realizes the inspection of non-heating season thermal resistance hot-fluid
Survey problem.
Claims (5)
1. a kind of adjustable material thermal resistance hot-fluid determination experiment device, it is characterised in that including hot tank, be tightly connected with this hot tank
And dismountable exterior wall, the thermocouple of this exterior wall both sides is separately positioned on, wind is flowed in the heat-flow meter being arranged on the exterior wall and expansion
Machine I, the heat source being arranged in the hot tank and expansion flow fan II.
2. adjustable material thermal resistance hot-fluid determination experiment device according to claim 1, it is characterised in that the hot tank
For 1m3Square.
3. adjustable material thermal resistance hot-fluid determination experiment device according to claim 1, it is characterised in that the hot tank
Material is the heat-insulated benzene plate of 4cm-6cm thickness, and has tinfoil layer outside heat-insulated benzene plate herein.
4. adjustable material thermal resistance hot-fluid determination experiment device according to claim 1, it is characterised in that the expansion stream
Wind turbine I and expansion flow fan II is that low speed expands flow fan.
5. adjustable material thermal resistance hot-fluid determination experiment device according to claim 1, it is characterised in that the thermoelectricity
Even accuracy is 0.1 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721547281.8U CN207571062U (en) | 2017-11-20 | 2017-11-20 | Adjustable material thermal resistance hot-fluid determination experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721547281.8U CN207571062U (en) | 2017-11-20 | 2017-11-20 | Adjustable material thermal resistance hot-fluid determination experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207571062U true CN207571062U (en) | 2018-07-03 |
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ID=62690964
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721547281.8U Expired - Fee Related CN207571062U (en) | 2017-11-20 | 2017-11-20 | Adjustable material thermal resistance hot-fluid determination experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207571062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007962A (en) * | 2017-11-20 | 2018-05-08 | 辽宁科技大学 | Adjustable material thermal resistance hot-fluid determination experiment device |
-
2017
- 2017-11-20 CN CN201721547281.8U patent/CN207571062U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007962A (en) * | 2017-11-20 | 2018-05-08 | 辽宁科技大学 | Adjustable material thermal resistance hot-fluid determination experiment device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 |