CN205941417U - Experimental device for be used for testing high low -temperature stability of phase change energy storage material - Google Patents
Experimental device for be used for testing high low -temperature stability of phase change energy storage material Download PDFInfo
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- CN205941417U CN205941417U CN201521018040.5U CN201521018040U CN205941417U CN 205941417 U CN205941417 U CN 205941417U CN 201521018040 U CN201521018040 U CN 201521018040U CN 205941417 U CN205941417 U CN 205941417U
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000004146 energy storage Methods 0.000 title claims abstract description 35
- 239000011232 storage material Substances 0.000 title claims abstract description 35
- 238000009413 insulation Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract 2
- 238000009825 accumulation Methods 0.000 description 6
- 230000009466 transformation Effects 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses an experimental device for be used for testing high low -temperature stability of phase change energy storage material mainly comprises two constant temperature cisterns, two circulating pumps, heat preservation test box and control system, through the automatic tube replacement way flow direction of cutting of control system, realizes the temperature variation of heat preservation test box intercycle nature, and the quilt is surveyed the sample and is put in the test box, can be used to test phase change energy storage material repetition heat -retaining, exothermal stability in use under high and low temperature environment.
Description
Technical field
The utility model is related to a kind of experimental provision for testing phase-changing energy storage material height temperature stability, and this experiment fills
Put and be made up of two constant temperature fluid baths, two circulating pumps, a heat insulation test case and control system.Automatically switched by control system
The flow direction of height geothermal liquid in constant temperature fluid bath, makes to present periodic high and low temperature environment in heat insulation test case, simulates phase-change accumulation energy
Material heat accumulation, the use process of low temperature heat at high temperature, thus test the stability in use of phase-changing energy storage material.
Background technology
Phase-changing energy storage material is the purpose reaching storage heat using itself latent heat of phase change, when environment temperature is higher than its phase transformation
During temperature, phase-changing energy storage material fusing heat absorption, is converted into liquid condition by solid state, when environment temperature is less than its phase transition temperature
When phase-changing energy storage material crystallization heat absorption, solid state is converted into by liquid condition.Phase transformation storage during heat absorption, release
The height temperature stability particular importance of energy material, often after heat accumulation repeatedly, heat release repeatedly, phase-changing energy storage material occurs layering
Phenomenon, i.e. partially crystallizable when less than phase transition temperature, there is partially liq cannot crystallize, this is due to phase-changing energy storage material itself
Height temperature stability causes.
The height temperature stability weighing phase-changing energy storage material at present mainly relies on differential scan calorimeter（DSC）, due to
Phase-changing energy storage material is made up of multiple additives, is wherein also possible to store up as phase transformation containing the solid matter that cannot dissolve on a small quantity
The nucleator of energy material, and DSC sampling amount is especially few（It is usually 1 milligram about）, sample the reality that can not reflect material completely
Situation, the method has certain limitation.
The utility model provides a kind of experimental provision for testing phase-changing energy storage material height temperature stability, by control
In system automatic switchover high/low temperature constant temperature fluid bath processed, the flow direction of liquid, makes heat insulation test the temperature inside the box assume cyclically-varying, mould
Intend phase-changing energy storage material heat accumulation, the process of low temperature heat at high temperature.Samples taken is put in heat insulation test case, and sampling amount can
To reach more than several hectograms, sample test is not limited by sampling amount, can reflect the performance of measured material completely, is protected by observing
In warm test box, the crystalline state of phase-changing energy storage material finally judges the recycling number of times of tested sample.
Utility model content
The utility model discloses a kind of experimental provision for testing phase-changing energy storage material height temperature stability, by mould
Intend phase-changing energy storage material heat accumulation fusing, the recycling process of low temperature thermal crystalline at high temperature, test phase-changing energy storage material
Height temperature stability.
Technology contents of the present utility model are as follows：
A kind of experimental provision for testing phase-changing energy storage material height temperature stability is it is characterised in that by two constant temperature liquid
Groove, two circulating pumps, a heat insulation test case and control system composition.Two constant temperature fluid baths built with same liquid medium,
Fluid temperature in one of constant temperature fluid bath is higher than the phase transition temperature of phase-changing energy storage material, the liquid in another one constant temperature fluid bath
Temperature is less than the phase transition temperature of phase-changing energy storage material.Two circulating pumps, as the power section of whole experimental provision, connect permanent
Warm liquid bath and heat insulation test case, the heat-insulation layer material of heat insulation test case is that in polyurethane or polystyrene, test box, placement is tested
The phase-changing energy storage material of examination.Control system includes control circuit and six magnetic valves, programmable logic controller (PLC)（PLC）Connect 6
Individual electromagnetic valve, forms a whole set of control circuit, is opened by the time parameter that two processes are heated and cool down in setting and closes
Close electromagnetic valve, so that the temperature in heat insulation test case is changed between high temperature and low temperature.
Brief description
Fig. 1 is the experimental provision of test phase-changing energy storage material high temperature performance.
Fig. 2 is the control circuit part of experimental provision.
Specific embodiment
A kind of experimental provision for testing phase-changing energy storage material height temperature stability that the utility model is related to, mainly by
Two constant temperature fluid baths, two circulating pumps, a heat insulation test case and control system are constituted.
Built with same liquid medium, one of fluid temperature is higher than the phase transformation of phase-changing energy storage material to two constant temperature fluid baths
Temperature, another temperature is less than the phase transition temperature of phase-changing energy storage material.Two circulating pumps are in normally open, connect constant temperature fluid bath
With heat insulation test case, the heat-insulation layer of heat insulation test case is made up of polyurethane or polystyrene, and pipeline is arranged six magnetic valves, control
Circuit processed is responsible for the opening and closing state of electromagnetic valve for adjusting.
Tested sample loads in test tube, puts heat insulation test case into, when needing phase-changing energy storage material to be heated fusing, if
Determine the phase transition temperature that heat insulation test the temperature inside the box is higher than material, now electromagnetic valve 1,3,6 is opened, electromagnetic valve 2,4,5 closes
Close, high-temp liquid flows into heat insulation test case, phase-changing energy storage material is heated fusing, and cryogenic liquid directly flows back to through circulating pump
Low temperature liquid bath；When needing phase-changing energy storage material crystallization exotherm, set heat insulation test the temperature inside the box as the phase alternating temperature less than material
Degree, now electromagnetic valve 2,4,5 is opened, and electromagnetic valve 1,3,6 is closed, and cryogenic liquid flows into heat insulation test case, phase-change accumulation energy material
The cooled crystallization of material, and high-temp liquid directly flows back to high temperature liquid bath through circulating pump.
By Programmable Logic Controller（PLC）Heating and the time cooling down and the number of times repeatedly heating cooling can be set.
The number of times being repeatedly circulated by the crystallization stratification state judgement of final phase-changing energy storage material.
The technical scheme of above-described embodiment is only used as illustrating, and can not limit protection domain of the present utility model, if
The equivalent transformation that the technical scheme of embodiment is made, all belongs to the utility model scope of the claims.
Claims (2)
1. a kind of experimental provision for testing phase-changing energy storage material height temperature stability is it is characterised in that by two constant temperature liquid
Groove, two circulating pumps, a heat insulation test case and control system composition；Two constant temperature fluid baths built with same liquid medium,
One of fluid temperature is higher than the phase transition temperature of phase-changing energy storage material, and another temperature is less than the phase alternating temperature of phase-changing energy storage material
Degree；Two circulating pumps, as the power section of whole experimental provision, connect in constant temperature fluid bath and heat insulation test case, test box and place
It is test for phase-changing energy storage material；Control system includes control circuit and six magnetic valves, programmable logic controller (PLC)（PLC）Even
Connect 6 electromagnetic valves, form a whole set of control circuit, by setting heat and cool down two processes time parameter open with
Close electromagnetic valve, so that the temperature in heat insulation test case is changed between high temperature and low temperature.
2. experimental provision according to claim 1 it is characterised in that the heat-insulation layer material of heat insulation test case by polyurethane or
Polystyrene is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521018040.5U CN205941417U (en) | 2015-12-10 | 2015-12-10 | Experimental device for be used for testing high low -temperature stability of phase change energy storage material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521018040.5U CN205941417U (en) | 2015-12-10 | 2015-12-10 | Experimental device for be used for testing high low -temperature stability of phase change energy storage material |
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| Publication Number | Publication Date |
|---|---|
| CN205941417U true CN205941417U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521018040.5U Active CN205941417U (en) | 2015-12-10 | 2015-12-10 | Experimental device for be used for testing high low -temperature stability of phase change energy storage material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931554A (en) * | 2018-07-16 | 2018-12-04 | 东南大学 | A kind of the storage energy test macro and method of non-ideal solid-liquid phase change material |
| CN109738476A (en) * | 2019-01-17 | 2019-05-10 | 浙江大学 | A kind of integrated apparatus and method for testing phase-change heat-storage material stability |
| CN116678914A (en) * | 2023-07-31 | 2023-09-01 | 河南新创业起重机械有限公司 | Device and method for testing thermal stability of phase change material for building |
-
2015
- 2015-12-10 CN CN201521018040.5U patent/CN205941417U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931554A (en) * | 2018-07-16 | 2018-12-04 | 东南大学 | A kind of the storage energy test macro and method of non-ideal solid-liquid phase change material |
| CN108931554B (en) * | 2018-07-16 | 2021-01-12 | 东南大学 | Storage and discharge energy testing system and method for non-ideal solid-liquid phase change material |
| CN109738476A (en) * | 2019-01-17 | 2019-05-10 | 浙江大学 | A kind of integrated apparatus and method for testing phase-change heat-storage material stability |
| CN116678914A (en) * | 2023-07-31 | 2023-09-01 | 河南新创业起重机械有限公司 | Device and method for testing thermal stability of phase change material for building |
| CN116678914B (en) * | 2023-07-31 | 2023-10-20 | 河南机电职业学院 | Device and method for testing thermal stability of phase change material for building |
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| C14 | Grant of patent or utility model | ||
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| DD01 | Delivery of document by public notice |
Addressee: Wan Fuxin Document name: Notification of Acceptance of Request for Reexamination |
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| CP03 | Change of name, title or address |
Address after: Room 416A, 4th Floor, Building 1, No. 8, Hongda North Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing 100176 Patentee after: BEIJING FINE PE CO.,LTD. Address before: No. 8, Hongda North Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing 100176 Patentee before: BEIJING JINGXIN XIANGNENG TECHNOLOGY Co.,Ltd. Address after: Room 201, 2nd Floor, No. 1 Factory Building, Maohua Factory, No. 1, Caida 3rd Street, Nancai Town, Shunyi District, Beijing 101399 Patentee after: Beijing CIMC Cold Cloud Technology Co.,Ltd. Address before: Room 416A, 4th Floor, Building 1, No. 8, Hongda North Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing 100176 Patentee before: BEIJING FINE PE CO.,LTD. |
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