CN105675647B - Phase-transition heat-storage test device and phase-transition heat-storage method of testing - Google Patents
Phase-transition heat-storage test device and phase-transition heat-storage method of testing Download PDFInfo
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- CN105675647B CN105675647B CN201610176031.1A CN201610176031A CN105675647B CN 105675647 B CN105675647 B CN 105675647B CN 201610176031 A CN201610176031 A CN 201610176031A CN 105675647 B CN105675647 B CN 105675647B
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- 238000005338 heat storage Methods 0.000 title claims abstract description 45
- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000010998 test method Methods 0.000 title description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 59
- 230000008859 change Effects 0.000 claims abstract description 41
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 36
- 239000004411 aluminium Substances 0.000 claims abstract description 34
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 33
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 30
- 239000011232 storage material Substances 0.000 claims abstract description 28
- 229920006328 Styrofoam Polymers 0.000 claims abstract description 12
- 239000008261 styrofoam Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 229920005479 Lucite® Polymers 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 239000003822 epoxy resin Substances 0.000 claims description 15
- 229920000647 polyepoxide Polymers 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000010426 asphalt Substances 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000005439 thermosphere Substances 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 8
- 238000004146 energy storage Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 239000012782 phase change material Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 heat time Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 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
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- 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)
- Resistance Heating (AREA)
- Central Heating Systems (AREA)
Abstract
The invention belongs to build energy-storage economical technical field, in particular it relates to a kind of phase-transition heat-storage test device.Phase-transition heat-storage temperature measuring equipment includes：Heat exchange aluminium tube, heat exchange aluminium flake, irony storage heater, poly (methyl methacrylate) plate, styrofoam heat insulation layer, temperature thermocouple；Exchanging heat, periphery of the aluminium flake along heat exchange aluminium tube is uniformly fixed to form entirety, and heat exchange aluminium flake is placed in irony storage heater, and the irony storage heater is provided with temperature thermocouple, and the styrofoam heat insulation layer is fixed on outside irony storage heater；The temperature thermocouple is connected with temperature polling instrument and computer equipment, is measured and is recorded the change of phase change heat storage material internal temperature.The present invention can clearly test temperature variations in the accumulation of heat, heat release and storage heater of phase change heat storage material, and test philosophy is clear, and test result is directly perceived, accurate；Solve the problems, such as that the irony storage heater shell of test and temperature thermocouple can not be reused, only need to change the inexpensive components such as lucite piece in testing engineering, reduce testing cost.
Description
Technical field
The invention belongs to build energy-storage economical technical field, in particular it relates to a kind of phase-transition heat-storage test device and phase transformation
Accumulation of heat method of testing.
Background technology
With the improvement of people ' s living standards whole society's total energy consumption has been accounted for the quickening of urbanization process, building energy consumption
27%, according to the experience of developed country, building energy consumption can reach more than the 30% of whole society's total energy consumption, so big building energy
Consumption undoubtedly causes great burden to the whole society, takes new technology to carry out building energy conservation very urgent.Under construction, the need of the energy
Summation supply has very strong dependence to the time, in order to solve the contradiction of energy demand and unbalanced supply in building, improve the energy
Utilization ratio and environmental protection, building phase change energy storage technology arise at the historic moment.Phase-change energy storage equipment can heat energy storage, needing
When discharge heat energy, to reduce the consumption of building energy on the premise of indoor comfort degree is kept, have it is boundless should
Use prospect.
At present when phase-change material building image is carried out, the temperature of house interior is typically determined, and it is right
Lack real Quality Research in the change of the dosage of phase-change material, heat time, phase-change material internal temperature.The class that the present invention uses
It is similar to the experimental provision of phase-change material floor heating pipe and temperature change inside phase-change material is determined by thermocouple, during accumulation of heat heat release
Between, there can be more deep understanding to phase transition process.The storage heater in the device and thermocouple can repeat to use simultaneously,
A variety of accumulation of heats, heat release operating mode can be tested, there is the characteristics of use cost is low, and operational effect is good.
The content of the invention
The defects of to overcome present in prior art, the present invention provide a kind of heat-storing material temperature testing device and accumulation of heat material
Expect temperature testing method, its is reasonable in design, simple in construction, measurement is accurate, is easy to dynamic monitoring to data, solves existing skill
Problem present in art.
To achieve the above object, the technical solution adopted in the present invention is as follows：
Phase-transition heat-storage temperature measuring equipment, including：Heat exchange aluminium tube, heat exchange aluminium flake, irony storage heater, poly (methyl methacrylate) plate, styrofoam
Heat insulation layer, temperature thermocouple；Wherein：Exchanging heat, periphery of the aluminium flake along heat exchange aluminium tube is uniformly fixed to form entirety, and heat exchange aluminium flake is placed in
In irony storage heater, the irony storage heater is provided with temperature thermocouple, and the styrofoam heat insulation layer is fixed on irony storage heater
It is outside；The temperature thermocouple is connected with temperature polling instrument and computer equipment, is measured and is recorded phase change heat storage material internal temperature
Change.
It is as follows relative to prior art, beneficial effects of the present invention：
(1) temperature variations in the accumulation of heat, heat release and storage heater of phase change heat storage material, can be clearly tested, are tested
Clear principle, test result are directly perceived, accurate.
(2), solve the problems, such as that the irony storage heater shell of test and temperature thermocouple can not be reused, in test work
Only need to change the inexpensive components such as lucite piece in journey, reduce testing cost.
(3), phase-transition heat-storage temperature measuring equipment is reasonable in design, simple in construction, and cost of investment is low, and test device and method are very suitable
Close promotion and implementation.
Brief description of the drawings
Fig. 1 is phase-transition heat-storage test device structural representation；
Fig. 2 is device connection organization chart；
In figure：1st, heat exchange aluminium tube, 2, heat exchange aluminium flake, 3, irony storage heater, 4, epoxide-resin glue, 5, poly (methyl methacrylate) plate, 6,
Plasticine, 7, styrofoam heat insulation layer, 8, hot water inlet, 9, hot water outlet, 10, phase change heat storage material thermal expansion overfall, 11, phase
Change heat storage material, 12, temperature thermocouple, 13, water bath with thermostatic control, 14, water pump, 15, water-supply-pipe, 16, temperature polling instrument, 17, computer.
Embodiment
As shown in Figure 1 and Figure 2, phase-transition heat-storage temperature measuring equipment, including：Heat exchange aluminium tube 1, heat exchange aluminium flake 2, irony storage heater 3,
Poly (methyl methacrylate) plate 5, styrofoam heat insulation layer 7, temperature thermocouple 12；Wherein
Exchanging heat, periphery of the aluminium flake 2 along heat exchange aluminium tube 1 is uniformly fixed to form entirety；The top of heat exchange aluminium tube 1 enters for hot water
Mouth 8, the bottom of heat exchange aluminium tube 1 is hot water outlet 9；Hot water inlet 8 is connected by water-supply-pipe 15 with pumping water bath with thermostatic control 13, is introduced
High-temperature water, flowed out by hot water outlet 9.
Heat exchange aluminium flake 2 is placed in irony storage heater 3, and the top and bottom of irony storage heater 3 are by the envelope of poly (methyl methacrylate) plate 5
Close；The center of poly (methyl methacrylate) plate 5 is provided with internal diameter and the outside dimension identical circular hole of heat exchange aluminium tube 1, and heat exchange aluminium tube 1 is enclosed on the circular hole
In；Phase change heat storage material thermal expansion overfall 10, phase change heat storage material thermal expansion overflow are provided with the poly (methyl methacrylate) plate 5 at top
A diameter of 1~2mm of mouth 10, phase change heat storage material thermal expansion overfall 10 communicate with the external world, prevent phase change heat storage material to be heated
Expansion, causes poly (methyl methacrylate) plate 5 to be split up.
The irony storage heater 3 is provided with three holes, and temperature thermocouple 12, temperature thermocouple 12 and irony are installed in hole
Sealed between storage heater 3 by plasticine 6, epoxide-resin glue 4 bonds temperature thermocouple 12, plasticine 6, irony storage heater 3 solid
It is fixed；The irony storage heater 3 is the environment inside simulation floor heating pipe, makes it closer to the needs of practical application, and intensity is high；Institute
Plasticine 6 is stated, there is preferable ductility, it is easily peelable.
The heat exchange aluminium tube 1 is bonded with poly (methyl methacrylate) plate 5 using epoxide-resin glue 4, poly (methyl methacrylate) plate 5 and irony storage heater
3 bond；The heat exchange aluminium tube 1 with heat exchange aluminium flake 2, using aluminium as heat-transfer matcrial, has preferable heat conductivility.
The styrofoam heat insulation layer 7 is fixed on outside irony storage heater 3, anti-locking apparatus heat loss；The styrofoam is adiabatic
Layer 7, thermal conductivity factor is low, cheap, prevents that device radiation is too fast；The epoxide-resin glue 4, various metals and other can be bonded
Cementitiousness between nonmetallic is strong, liquidproof seepage, corrosion-resistant.
The temperature thermocouple 12 is connected with temperature polling instrument 16 and computer equipment 17, is measured and is recorded phase change heat storage material
Internal temperature changes；The temperature thermocouple 12 is K-type thermocouple needle, can direct measurement temperature, simple in construction, measurement range
Extensively, precision height, output signal are easy to teletransmission.
Phase-transition heat-storage method of testing, after test device connects, water bath with thermostatic control 13 is heated to assigned temperature, opens water
Pump 14, the water after heating is incorporated into the heat exchange aluminium tube 1 with heat exchange aluminium flake 2 by hot water inlet 8, and then heat is conducted
To phase change heat storage material 11, heat is transmitted through convection current and the effect conducted inside phase change heat storage material 11, temperature thermocouple 12 is supervised
The temperature dynamic change of the tested pilot in the inside of phase change heat storage material 11 is surveyed, is recorded by the Monitoring Data of temperature polling instrument 16, computer 17,
After one group of DATA REASONING, the water-supply-pipe 15 of hot water inlet 8 and hot water outlet 9 is pulled down, then will wherein one with heating blade
Block poly (methyl methacrylate) plate 5 is cut with the shell of irony storage heater 3, pours out liquid phase-change heat-storing material 11, is destroyed with hard objects viscous
The epoxide-resin glue 4 and plasticine 6 between temperature thermocouple 12 and the shell of irony storage heater 3 are tied, then takes out temperature thermocouple
12；Another piece of poly (methyl methacrylate) plate 5 and irony storage heater 3 are separated with heating blade, poly (methyl methacrylate) plate 5 and heat exchange aluminium tube 1 are divided
From the various sizes of heat exchange aluminium tube 1 with heat exchange aluminium flake 2 of other set being changed, using epoxide-resin glue 4 by new one group of heat exchange
Aluminum pipe 1, aluminium flake and new poly (methyl methacrylate) plate 5 bond, using epoxide-resin glue 4 by poly (methyl methacrylate) plate 5 and the bottom of irony storage heater 3
Bond；Temperature thermocouple 12 is inserted into the inside specified location of irony storage heater 3, preliminary fixation, close is carried out using plasticine 6
Envelope, reuses epoxide-resin glue 4 and is bonded together temperature thermocouple 12, plasticine 6, irony storage heater 3, forms sealing property
Good semienclosed container；Liquid phase-change heat-storing material 11 is imported in the semienclosed container of making, then by poly (methyl methacrylate) plate 5
Bonded with the other end of irony storage heater 3, the upper end of heat exchange aluminium tube 1 and poly (methyl methacrylate) plate 5 are bonded into formation is fully sealed container, then
Continue to monitor the change of the internal temperature of phase change heat storage material 11, the phase tested in the case of different size heat exchange aluminium tubes 1 and heat exchange aluminium flake 2
Change process.After the completion of test, the poly (methyl methacrylate) plate 5 at the both ends of test irony storage heater 3 is cut away using the blade of heating, and
The bonding destroyed between temperature thermocouple 12 and irony storage heater 3, preserve the heat exchange aluminium tube with heat exchange aluminium flake 2 of various sizes
1st, irony storage heater 3, temperature thermocouple 12, styrofoam heat insulation layer 7, so that experiment next time uses.
Phase change heat storage material is placed in device by the phase transition heat accumulation unit of the present invention, so as to dynamically recording phase-transition heat-storage
Material internal temperature variations, disclose phase change heat storage material internal heat conductive process and its mode.Filled using phase-transition heat-storage
Put, convenience simple to phase change heat storage material temperature survey.Many places epoxy resin gluing knot is provided with phase transition heat accumulation unit, so as to
The reuse of multiple parts in device, the temperature survey to phase change heat storage material is also quite accurate, and the phase transformation of the present invention
Regenerative apparatus is reasonable in design, simple in construction, and cost of investment is low, is especially suitable for promotion and implementation.
Claims (1)
1. a kind of phase-transition heat-storage temp measuring method, thermometric, the phase-transition heat-storage temperature measuring equipment are carried out using phase-transition heat-storage temperature measuring equipment
Including heat exchange aluminium tube, heat exchange aluminium flake, irony storage heater, poly (methyl methacrylate) plate, styrofoam heat insulation layer and temperature thermocouple；Exchange heat aluminium
Periphery of the piece along heat exchange aluminium tube is uniformly fixed to form entirety, and heat exchange aluminium tube top is hot water inlet, and heat exchange aluminium tube bottom is hot water
Outlet, hot water inlet are connected by water-supply-pipe with pumping water bath with thermostatic control, introduce high-temperature water by hot water inlet, high-temperature water is by warm
Water out flows out；Heat exchange aluminium flake is placed in irony storage heater, and the top and bottom of irony storage heater are closed by poly (methyl methacrylate) plate,
The center of poly (methyl methacrylate) plate is provided with internal diameter and heat exchange aluminium tube outside dimension identical circular hole, and heat exchange aluminium tube is enclosed in the circular hole；
Phase change heat storage material thermal expansion overfall, the diameter of phase change heat storage material thermal expansion overfall are provided with the poly (methyl methacrylate) plate at top
For 1~2mm, phase change heat storage material thermal expansion overfall communicates with the external world, prevents phase change heat storage material expanded by heating, causes organic
Glass plate is split up；The irony storage heater is provided with three holes, and temperature thermocouple is installed in hole, and temperature thermocouple stores with irony
Sealed between hot device by plasticine, temperature thermocouple, plasticine, irony storage heater are adhesively fixed epoxide-resin glue；It is described to change
Hot aluminum pipe uses epoxy resin gluing knot with poly (methyl methacrylate) plate, and poly (methyl methacrylate) plate bonds with irony storage heater；The styrofoam is exhausted
Thermosphere is fixed on outside irony storage heater；The temperature thermocouple is connected with temperature polling instrument and computer equipment, is measured and is recorded
Phase change heat storage material internal temperature changes, and the temperature thermocouple is K-type thermocouple needle；It is characterized in that：
After phase-transition heat-storage temperature measuring equipment connects, water bath with thermostatic control is heated to assigned temperature, water pump is opened, by the water after heating
It is incorporated into by hot water inlet in the heat exchange aluminium tube with heat exchange aluminium flake, and then heat is conducted to phase change heat storage material, phase transformation
Heat, the tested pilot in temperature thermocouple monitoring phase change heat storage material inside are transmitted in effect through convection current and conduction inside heat-storing material
Temperature dynamic change, by temperature polling instrument Monitoring Data, computer record, after one group of DATA REASONING, pull down hot water inlet
With the water-supply-pipe of hot water outlet, then one of poly (methyl methacrylate) plate and irony storage heater shell are cut with heating blade, inclined
Liquid phase-change heat-storing material is poured out, the asphalt mixtures modified by epoxy resin bonded between temperature thermocouple and irony storage heater shell is destroyed with hard objects
Fat glue and plasticine, then take out temperature thermocouple；Another piece of poly (methyl methacrylate) plate and irony storage heater are separated with heating blade,
Poly (methyl methacrylate) plate is separated with heat exchange aluminium tube, the various sizes of heat exchange aluminium tube with heat exchange aluminium flake of other set is changed, uses
Epoxide-resin glue bonds new one group of heat exchange aluminium tube, aluminium flake and new poly (methyl methacrylate) plate, using epoxide-resin glue by lucite
Plate and irony storage heater bottom adhesive；By specified location inside temperature thermocouple insertion irony storage heater, carried out using plasticine
Preliminary fixation, sealing, reuse epoxide-resin glue and are bonded together temperature thermocouple, plasticine, irony storage heater, are formed
The semienclosed container of favorable sealing property；Liquid phase-change heat-storing material is imported in the semienclosed container made, then will be organic
Glass plate and the irony storage heater other end bond, and heat exchange aluminium tube upper end and poly (methyl methacrylate) plate are bonded to be formed container is fully sealed,
Then proceed to monitor the change of phase change heat storage material internal temperature, the phase tested in the case of different size heat exchange aluminium tubes and heat exchange aluminium flake
Change process；After the completion of test, test is cut away with the poly (methyl methacrylate) plate at irony storage heater both ends using the blade of heating, and breaks
Bonding between bad temperature thermocouple and irony storage heater, preserve the heat exchange aluminium tube with heat exchange aluminium flake, the irony of various sizes
Storage heater, temperature thermocouple, styrofoam heat insulation layer, so that experiment next time uses.
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| CN106769827B (en) * | 2017-01-18 | 2023-05-02 | 河北工业大学 | Testing device and testing method for composite phase-change plate |
| CN107389227B (en) * | 2017-08-09 | 2023-12-08 | 国家电网公司 | Device and method for measuring residual heat accumulation of phase-change energy storage material |
| CN109507234B (en) * | 2019-01-02 | 2020-07-03 | 大连理工大学 | Frozen soil heat conductivity coefficient test correction method based on hot wire method |
| CN110006281A (en) * | 2019-04-18 | 2019-07-12 | 河海大学 | A kind of phase transition heat accumulation unit improving phase-change material heat storage efficiency |
| CN110849932A (en) * | 2019-11-20 | 2020-02-28 | 张俊霞 | Device and method for measuring heat storage performance of composite phase-change material |
| CN113933336A (en) * | 2021-10-12 | 2022-01-14 | 珠海格力电器股份有限公司 | Phase change material testing assembly, testing system and control method |
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| CN100439906C (en) * | 2004-03-19 | 2008-12-03 | 中国科学院理化技术研究所 | Cylindrical calorimeter based on fluidic heat exchange of fluids |
| CN101358940B (en) * | 2008-09-18 | 2011-11-09 | 中国建筑科学研究院 | Phase change heat storage tester |
| CN201277942Y (en) * | 2008-10-27 | 2009-07-22 | 水利部交通部电力工业部南京水利科学研究院 | Pressure dispersion type stress distribution detection apparatus for anchor cable and anchor solid |
| JP2015118012A (en) * | 2013-12-18 | 2015-06-25 | 一般財団法人建材試験センター | Specific heat-measuring device and specific heat-measuring method of test body |
| CN103776703B (en) * | 2014-01-24 | 2015-11-18 | 山东大学 | Based on hydrofracturing water filling charger and the test method of rocks resin test specimen |
| CN104198235A (en) * | 2014-07-31 | 2014-12-10 | 公安部物证鉴定中心 | Method for manufacturing fiber cross section slices |
| CN204630880U (en) * | 2015-05-23 | 2015-09-09 | 浙江大学 | A kind of water vapor diffusion coefficient unsteady-state measuring device |
| CN105004749B (en) * | 2015-07-03 | 2017-07-11 | 浙江大学 | Solid-liquid phase change material melting heat transfer performance parameter testing system and its method |
| CN205484149U (en) * | 2016-03-25 | 2016-08-17 | 华北水利水电大学 | Phase -change thermal testing arrangement |
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