CN202583097U - Automatic thermal circulation experiment device for phase change energy storage material - Google Patents
Automatic thermal circulation experiment device for phase change energy storage material Download PDFInfo
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- CN202583097U CN202583097U CN 201220205388 CN201220205388U CN202583097U CN 202583097 U CN202583097 U CN 202583097U CN 201220205388 CN201220205388 CN 201220205388 CN 201220205388 U CN201220205388 U CN 201220205388U CN 202583097 U CN202583097 U CN 202583097U
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Abstract
The utility model relates to an automatic thermal circulation experiment device for a phase change energy storage material. The device comprises a constant-temperature cold and hot medium bath module, a control module, a detection module and a heat exchange module, wherein the cold and hot medium temperature of the constant-temperature cold and hot medium bath module is controlled by a first temperature control instrument; a second temperature control instrument controls the heat exchange module to carry out cold and hot circulation on a phase change energy storage material test sample to be detected; circulation times are automatically recorded by a counter of the detection module; and phase change temperatures are recorded by a temperature inspecting instrument. The device can fully realize an automatic circulation process of the phase change energy storage material, shorten the circulation experiment time, record the circulation times and acquire the temperature change condition of the phase change material in real time, thus greatly improving the thermal circulation experiment efficiency of the phase change energy storage material.
Description
Technical field
The utility model relates to a kind of thermal cycle experiment device, particularly about a kind of experimental provision of phase-changing energy storage material robotization thermal cycle.
Background technology
Phase-changing energy storage material is a latent heat storage material.Material is referred to as phase transformation to liquid or liquid to solid state transformation by solid-state, heat energy can take place during phase transformation change.When phase-change material reaches phase transition temperature, can be through absorbing or release heat maintenance temperature constant.
Phase-changing energy storage material is because its special thermal property obtains application more and more widely in fields such as Aero-Space, building, clothes processing, sun power.In practical application, the thermal stability of phase-changing energy storage material is the important indicator of its permanance.Under to the little situation of heat conductivility influence, have important economic value and meaning with the stable phase-change material of thermal behavior.In the use of phase-changing energy storage material, because phase-change material constantly solidifies/melt circulation, often be accompanied by certain volume change, thermal behavior is degenerated, and influences the thermal stability of material.Therefore, actual utilize phase-change material before, in order to ensure the long-term usability of phase-change material, the thermal stability that the research phase-change material repeatedly solidifies/melt after circulating in experience is necessary.Usually, the means that the research phase-change material quickens thermal cycle are that phase-change material is contained in container, insert the fusing of baking oven or hot case again, treat that again it being inserted ice chest after the fusing fully solidifies, and like this as a circulation, so repeats hundreds of thousands of times.It is lower to carry out phase-change material thermal cycle accelerated tests efficient in this way, and working strength is higher, often can not carry out the experiment of more number of times because experimental period is long.
The utility model content
To the problems referred to above; The purpose of the utility model provides a kind of phase-changing energy storage material robotization thermal cycle experiment device, carries out thermal cycle experiment but its automatic phasing becomes material, the record cycle index; And gather the phase-change material temperature situation of change in real time, greatly improved thermal cycle experiment efficient.It is-60 ℃～260 ℃ phase-change material thermal cycle experiment that this device can satisfy phase transition temperature.
For realizing above-mentioned purpose, the utility model is taked following technical scheme:
A kind of phase-changing energy storage material robotization thermal cycle experiment device, it comprises the cold and hot medium bath of constant temperature module, control module, detection module and heat exchange module;
The cold and hot medium of said constant temperature is bathed module and is comprised that the cold medium bathtub of first temperature controller, separation and thermal medium bathtub, cold medium bath temperature are popped one's head in, thermal medium bath temperature probe; Said hot and cold medium bath temperature probe is by the first temperature controller lead control linkage, and end of probe extend into respectively in the corresponding hot and cold medium bath;
Said control module comprises second temperature controller, specimen temperature probe, cold medium pump, thermal medium pump, cold loop solenoid valve, hot loop solenoid valve;
Said heat exchange module comprises coupon, heat exchanger tube; Said specimen temperature probe detection end extend in the coupon, and coupon is equipped with sample and partly places in the heat exchanger tube;
Said detection module comprises temperature polling instrument, counter;
Said specimen temperature probe, cold medium pump, thermal medium pump, cold loop solenoid valve, hot loop solenoid valve are by the second temperature controller lead control linkage; Said cold medium pump, thermal medium pump, cold loop solenoid valve, hot loop solenoid valve are connected between cold medium bathtub, thermal medium bathtub and the heat exchanger tube through water pipe respectively accordingly; Said temperature polling instrument is the said specimen temperature probe of lead control linkage simultaneously, and said counter lead is connected on said cold medium pump or the thermal medium pump.
Said first temperature controller is the multichannel temperature controller.
Said second temperature controller is the changes in temperature temperature controller.
Said hot and cold medium pump is a kind of in membrane pump or the magnetic drive pump.
Said hot and cold circuit electromagnetic valve is the closed type solenoid valve.
Said counter is an electronics stored count device.
Said hot and cold medium bathtub is the suit mode, is fixed with semiconductor chilling plate on the inner therein medium bathtub wall, and cold junction towards and contact cold medium and bathe, the hot junction towards and the contact thermal medium bathe, said semiconductor chilling plate is connected to said first temperature controller.
Said semiconductor chilling plate has multi-disc, and the form of piling up with huyashi-chuuka (cold chinese-style noodles) subsides hot side between the multi-disc semiconductor chilling plate is connected step by step.
Said fluid media (medium) is water, anti freezing solution or oil.
Take the utility model of above technical scheme; Have following advantage: 1, the utility model is owing to be provided with hot and cold two media bath simultaneously; Can heat as required simultaneously or refrigeration, bathe by the wait process that is chilled to heat and save single medium, or by heat to cold wait process.2, the utility model adopts semiconductor chilling plate, and the characteristic of utilizing its one side of simultaneously freezing to heat heats simultaneously or freezes, and replaces discrete heating system and refrigeration system, can improve compactedness, reliability and the power consumption efficiency of structure greatly.3, the utility model utilizes the characteristic of fluid media (medium) convection transfer rate greater than aerial convection transfer rate, adopts fluid media (medium)s such as water, oil, anti freezing solution to bathe.4, utilize the unlatching number of times of cold (heat) pump, the record times of thermal cycle, and gather the phase-change material temperature situation of change in real time, greatly improved thermal cycle experiment efficient.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is carried out detailed description.
The utility model is realized the THERMAL STABILITY to phase-changing energy storage material through setting up an automatic thermal cycle system.The system of the utility model design comprises apparatus and method two parts, based on following consideration:
Based on the characteristic of the convection transfer rate of phase-change material in fluid media (medium) (water, anti freezing solution or wet goods), therefore utilize hot and cold medium to bathe and solidify and melt circulation experiment greater than aerial convection transfer rate.
" Peltier effect " of based semiconductor cooling piece, the characteristic of utilizing its one side of simultaneously freezing to heat replaces discrete heating system and refrigeration system.
Utilize the hot and cold medium bath temperature probe that is connected with temperature controller, obtain the temperature in the hot and cold medium bath, when temperature did not reach preset temperature, the startup semiconductor chilling plate freezed or heats.
Utilize with the insertion sample in the temperature controller that is connected of temp probe; Control cold medium pump and thermal medium pump and circuit electromagnetic valve; When temperature is below or above design temperature in the sample; Start thermal medium pump or cold medium pump and circuit electromagnetic valve, the conveyance fluid medium heats sample or cools off.
Can be regarded as the once phase-change circulation this time opening thermal medium pump (or cold medium pump) to open once more next time, utilize counter, medium pump break-make electricity number of times is carried out record, this number of times is the phase transformation cycle index.
The temperature polling instrument that utilization is connected in parallel on the specimen temperature probe carries out real time record to the sample phase transition temperature, can help to analyze phase-change material phase transition temperature characteristic, like phase transition temperature, latent heat of phase change etc.
Therefore, the device basic setup that provides of the utility model following several part of module: the cold and hot medium of constant temperature is bathed module, control module, detection module and heat exchange module.
Specifically, as shown in Figure 1, the cold and hot medium of constant temperature is bathed module and is made up of first temperature controller 1, thermal medium bath temperature probe 2, cold medium bath temperature probe 3, thermal medium bathtub 4, cold medium bathtub 5, semiconductor chilling plate 6.First temperature controller 1 is the multichannel temperature controller, and it connects thermal medium bath temperature probe 2 and cold medium bath temperature probe 3 respectively through lead (among Fig. 1, fine rule representes that lead connects); Thermal medium bath temperature probe 2 is inserted into respectively in thermal medium bathtub 4 and the cold medium bathtub 5 with the end of probe of cold medium bath temperature probe 3.In thermal medium bathtub 4 and the cold medium bathtub 5 heat, cold fluid medium are housed respectively; Can constitute heat, the bath of cold medium for water, anti freezing solution or wet goods; And thermal medium bathtub 4 is nested form with cold medium bathtub 5; Who interior who outside and unrestricted (Fig. 1 outside, cold medium bathtub 5 in interior form as an example) with thermal medium bathtub 4.On inner therein medium bathtub (Fig. 1 the is shown as cold medium bathtub 5) wall; Be fixed with a few chip semiconductor cooling pieces 6; And the huyashi-chuuka (cold chinese-style noodles) that makes semiconductor chilling plate 6 towards and separate and touch cold medium and bathe; Hot side towards and the contact thermal medium bathe, and semiconductor chilling plate 6 is wired to first temperature controller, 1 (not shown).According to actual cooling and warming power demand; Can be with two or 6 couplings of multi-disc semiconductor chilling plate; The form of piling up with huyashi-chuuka (cold chinese-style noodles) subsides hot side between the multi-disc semiconductor chilling plate 6 is connected step by step; To improve the two sides temperature difference and cooling and warming power, can apply a little silicone grease between sheet and the sheet and improve heat transfer efficiency to reduce thermal contact resistance.The semiconductor chilling plate principle of work: semiconductor chilling plate is made up of a lot of N-type semiconductor elements and P-type semiconductor element; When the thermopair centering that is coupled to when a N-type semiconductor material and P-type semiconductor material has electric current to pass through; Will produce transfer of heat between the two ends; Heat will be transferred to the other end from an end, forms cold and hot end thereby produce the temperature difference.Electric current absorbs heat by the joint that N type element flows to P type element, becomes cold junction; Flow to the joint release heat of N type element by P type element, become the hot junction.Can use the ZTC1209 N-type semiconductor N cooling piece that is purchased in the utility model.
Heat exchange module is made up of coupon 13 and heat exchanger tube 14.Coupon 13 is used for splendid attire phase-change material to be measured, in coupon 13, is inserted with specimen temperature probe 8; Heat exchanger tube 14 is an obturator, and outer wall coats insulation material, and its internal cavities is cold and hot medium fluid passage, establishes going up of being communicated with internal cavities and manages and manage down; The part that coupon 13 is equipped with phase-change material to be measured places heat exchanger tube 14.
Control module is made up of second temperature controller 7, specimen temperature probe 8, thermal medium pump 9, cold medium pump 10, hot loop solenoid valve 11, cold loop solenoid valve 12.Second temperature controller 7 is the changes in temperature temperature controller, connects specimen temperature probe 8 through lead, and the end of probe of specimen temperature probe 8 is inserted in the coupon 13.Thermal medium pump 9 is membrane pump with cold medium pump 10 or magnetic drive pump is wired to second temperature controller, 7 (not shown); Thermal medium pump 9 also is connected between thermal medium bathtub 4 and the heat exchanger tube 14 through last hot-water line 21 (water pipeline among Fig. 1 is represented with thick lines); Cold medium pump 10 also is connected between cold medium bathtub 5 and the heat exchanger tube 14 through last cold water pipe 22; Last hot-water line 21, an end of going up cold water pipe 22 are parallel-connected to the pipe of going up of heat exchanger tube 14, and the other end feeds respectively in thermal medium or the cold medium.
Hot loop solenoid valve 11 is the closed type solenoid valve with cold loop solenoid valve 12, is parallel-connected to second temperature controller, 7 (not shown) through lead; Hot loop solenoid valve 11 also is connected between thermal medium bathtub 4 and the heat exchanger tube 14 through following hot-water line 23; The cold loop solenoid valve also is connected between cold medium bathtub 5 and the heat exchanger tube 14 through following cold water pipe 24; Following hot-water line 23, an end of cold water pipe 24 is parallel-connected to the following pipe of heat exchanger tube 14 down, and the other end feeds respectively in thermal medium or the cold medium.
Detection module is made up of temperature polling instrument 15 and electronics stored count device 16.Temperature polling instrument 15 is the same with temperature controller 7, also connects specimen temperature probe 8 through lead; Counter 16 is connected between thermal medium pump 9 (or cold medium pump 10) and the temperature controller 7 through lead.Counter 16 is an electronics stored count device.
To install by after arranging like upper type, during work, at first start first temperature controller 1; Give semiconductor chilling plate 6 energisings; Let the cold and hot medium of constant temperature bathe the module operation, on temperature controller 1, set thermal medium bath temperature and cold medium bath temperature, suppose that phase-change material phase transition temperature to be measured is 26 ℃; Then the thermal medium bath temperature should be set to be higher than this temperature, and cold medium bath temperature then is set to be lower than this temperature.The cold and hot medium of constant temperature is bathed module and is guaranteed that thermal medium bathtub 4 and cold medium bathtub 5 interior heat, cold fluid media remain on design temperature.
Testing sample after melting is on a small quantity poured into coupon 13; Insert specimen temperature probe 8, start second temperature controller 7, the control module operation; On second temperature controller 7, set upper and lower limit temperature (phase transition temperature by phase-change material is provided with the upper and lower limit temperature); Suppose that the phase-change material phase transition temperature is 26 ℃, then ceiling temperature is set to a little more than 26 ℃, and lower limit temperature is set to a little less than 26 ℃.Usually, the thermal medium bath temperature that first temperature controller 1 is provided with should be higher than the ceiling temperature that second temperature controller 7 is provided with, and the cold medium bath temperature that first temperature controller 1 is provided with should be lower than the lower limit temperature that second temperature controller 7 is provided with.
Start-up temperature logging 15 and electronics stored count device 16, detection module is ready.
Start second temperature controller, 7 run switch; Second temperature controller 7 will if temperature is lower than the lower limit temperature of setting, then start thermal medium pump 9 and hot loop solenoid valve 11 through the specimen temperature 8 test sample temperature of popping one's head in this moment; Carry the coupon 13 in the hot fluid medium heat exchanging tube 14 to carry out heat exchange; Make the sample fusing, temperature-resistant in the sample in the fusion process, fusing back specimen temperature fully raises; When specimen temperature is popped one's head in the set ceiling temperature of 8 detected temperature height to the second temperature controllers 7, start cold medium pump 10 and carry the cold fluid media that sample is carried out heat exchange with cold loop solenoid valve 12, sample is solidified; When detected temperature is low to moderate the set lower limit temperature of second temperature controller 7 once more; Start thermal medium pump 9; So circulation; Can be regarded as the once phase-change circulation by this time opening thermal medium pump or cold medium pump to open next time again, utilize 16 pairs of circulatory mediator pumps of electronics stored count device break-make electricity number of times to carry out record, the record number of times is the phase transformation cycle index.Utilization connects the temperature polling instrument 15 of specimen temperature probe 8, can change specimen temperature and carry out real time record, helps the relation between variation of analytical sample phase transition temperature and latent heat of phase change and the cycle index.
Application example:
In this example, use the phase-changing energy storage material sample with lauric acid, capric acid potpourri as test, water quickens thermal cycling test as heat transferring medium to sample.The component mol ratio of lauric acid, capric acid is 6:4 in the potpourri, and its phase transition temperature is about 26-27 ℃, after its fusion and mixing, takes by weighing 5g and pours into coupon, and coupon is placed in the heat exchanger tube.Cold and hot medium bath temperature is set on first temperature controller; Because the temperature that this cold and hot medium is bathed controlled separately by semiconductor chilling plate but not discrete control also can be freezed when it heats, consider that two faces of semiconductor chilling plate can have the big temperature difference (at least 40 ℃); And general its phase transition temperature interval of phase-changing energy storage material is less; Therefore, only need to guarantee that its cold medium bath temperature is lower than on the basis of sample phase transition temperature, the thermal medium bath temperature is set separately gets final product.In this example, the phase transition temperature of sample is 26-27 ℃, is accelerated test, raises the efficiency, and it is 35 ℃ that the thermal medium bath temperature is set, and correspondingly, cold medium bath temperature will be lower than sample phase transition temperature (the cold medium of this instance is bathed temperature and is room temperature, about 20 ℃).Hot and cold medium bath temperature starts second temperature controller after setting, and upper temperature limit is made as 30 ℃, and lowest temperature is set to 22 ℃.Unlocking electronic stored count device.When treating that sample is cooled to 22 ℃, second temperature controller starts thermal medium pump and hot loop solenoid valve, and heat medium flow heats up to sample to heat exchanger tube, and sample fusion process internal temperature is constant.After treating phase transformation fully, internal temperature raises, and until being increased to 30 ℃, second temperature controller cuts out thermal medium pump and hot loop solenoid valve, starts cold medium pump and cold loop solenoid valve, and sample is cooled off.Until starting thermal medium pump and hot loop solenoid valve once more, the electronics stored count device that is connected this moment between the thermal medium pump and second temperature controller is counted thermal medium pump break-make electricity number of times, shows that sample phase transformation number of times adds up once.Utilize temperature polling instrument connection computer also can monitor the sample phase transition process in real time, contrast before and after the convenient test, like the variation of phase transition temperature, variation of variation and latent heat of phase change or the like between the phase change zone.
In this example, phase transformation of the sample of 5g circulation about 10 minutes consuming time at most, one hour at least 6 times capable of circulation, and counting automatically, if continuous service round the clock can be accomplished thousands of cyclic tests within a couple of days.Traditional method then can only circulate up to a hundred times, and needs manpower between baking oven and refrigerator, to place sample back and forth, and expense wastes time and energy.Therefore the phase-changing energy storage material robotization thermal cycle experiment device of the utility model proposition can greatly improve conventional efficient, and big practical value is arranged.
The above only is used to explain the utility model; Wherein the concrete structure of each parts, connected mode etc. all can change to some extent; Every equivalents of on the basis of the utility model technical scheme, carrying out and improvement all should not got rid of outside the protection domain of the utility model.
Claims (10)
1. a phase-changing energy storage material robotization thermal cycle experiment device is characterized in that, it comprises the cold and hot medium bath of constant temperature module, control module, detection module and heat exchange module;
The cold and hot medium of said constant temperature is bathed module and is comprised that the cold medium bathtub of first temperature controller, separation and thermal medium bathtub, cold medium bath temperature are popped one's head in, thermal medium bath temperature probe; Said hot and cold medium bath temperature probe is by the first temperature controller lead control linkage, and end of probe extend into respectively in the corresponding hot and cold medium bath;
Said control module comprises second temperature controller, specimen temperature probe, cold medium pump, thermal medium pump, cold loop solenoid valve, hot loop solenoid valve;
Said heat exchange module comprises coupon, heat exchanger tube; Said specimen temperature probe detection end extend in the coupon, and coupon is equipped with sample and partly places in the heat exchanger tube;
Said detection module comprises temperature polling instrument, counter;
Said specimen temperature probe, cold medium pump, thermal medium pump, cold loop solenoid valve, hot loop solenoid valve are by the second temperature controller lead control linkage; Said cold medium pump, thermal medium pump, cold loop solenoid valve, hot loop solenoid valve are connected between cold medium bathtub, thermal medium bathtub and the heat exchanger tube through water pipe respectively accordingly; Said temperature polling instrument is the said specimen temperature probe of lead control linkage simultaneously, and said counter lead is connected on said cold medium pump or the thermal medium pump.
2. a kind of phase-changing energy storage material robotization thermal cycle experiment device as claimed in claim 1, it is characterized in that: said first temperature controller is the multichannel temperature controller.
3. a kind of phase-changing energy storage material robotization thermal cycle experiment device as claimed in claim 1, it is characterized in that: said second temperature controller is the changes in temperature temperature controller.
4. a kind of phase-changing energy storage material robotization thermal cycle experiment device as claimed in claim 1, it is characterized in that: said hot and cold medium pump is membrane pump or magnetic drive pump.
5. a kind of phase-changing energy storage material robotization thermal cycle experiment device as claimed in claim 1, it is characterized in that: said hot and cold circuit electromagnetic valve is the closed type solenoid valve.
6. a kind of phase-changing energy storage material robotization thermal cycle experiment device as claimed in claim 1, it is characterized in that: said counter is an electronics stored count device.
7. like claim 1 or 2 or 3 or 4 or 5 or 6 described a kind of phase-changing energy storage material robotization thermal cycle experiment devices; It is characterized in that: said hot and cold medium bathtub is the suit mode; Be fixed with semiconductor chilling plate on the inner therein medium bathtub wall; And cold junction is towards cold medium bathtub and contact cold medium, and the hot junction is towards thermal medium bathtub and contact thermal medium, and said semiconductor chilling plate is connected to said first temperature controller.
8. a kind of phase-changing energy storage material robotization thermal cycle experiment device as claimed in claim 7, it is characterized in that: said semiconductor chilling plate has multi-disc, and the form of piling up with huyashi-chuuka (cold chinese-style noodles) subsides hot side between the multi-disc semiconductor chilling plate is connected step by step.
9. a kind of phase-changing energy storage material robotization thermal cycle experiment device as claimed in claim 7, it is characterized in that: said fluid media (medium) is water, anti freezing solution or oil.
10. a kind of phase-changing energy storage material robotization thermal cycle experiment device as claimed in claim 8, it is characterized in that: said fluid media (medium) is water, anti freezing solution or oil.
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| CN 201220205388 CN202583097U (en) | 2012-05-09 | 2012-05-09 | Automatic thermal circulation experiment device for phase change energy storage material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636512A (en) * | 2012-05-09 | 2012-08-15 | 中国建筑材料科学研究总院 | Test device and test method for automatic heat cycle of phase transition energy storage material |
| CN103760190A (en) * | 2014-01-13 | 2014-04-30 | 中国科学院广州能源研究所 | Method and device for measuring heat conduction coefficient of natural gas hydrate in porous medium |
| CN103995018A (en) * | 2014-05-26 | 2014-08-20 | 北京工业大学 | Device and method for measuring relative heat conductivity coefficient of phase change member by radiant heat exchange method |
| CN108489841A (en) * | 2018-04-04 | 2018-09-04 | 中国建筑材料科学研究总院有限公司 | A kind of phase-change material cold cycling endurance testing device and test method |
| CN109540958A (en) * | 2018-12-05 | 2019-03-29 | 山东恒利热载体工程技术有限公司 | The quick detection device of organic heat carrier |
-
2012
- 2012-05-09 CN CN 201220205388 patent/CN202583097U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636512A (en) * | 2012-05-09 | 2012-08-15 | 中国建筑材料科学研究总院 | Test device and test method for automatic heat cycle of phase transition energy storage material |
| CN103760190A (en) * | 2014-01-13 | 2014-04-30 | 中国科学院广州能源研究所 | Method and device for measuring heat conduction coefficient of natural gas hydrate in porous medium |
| CN103760190B (en) * | 2014-01-13 | 2016-01-27 | 中国科学院广州能源研究所 | A kind of method and apparatus measuring gas hydrate coefficient of heat conductivity in porous medium |
| CN103995018A (en) * | 2014-05-26 | 2014-08-20 | 北京工业大学 | Device and method for measuring relative heat conductivity coefficient of phase change member by radiant heat exchange method |
| CN103995018B (en) * | 2014-05-26 | 2017-04-12 | 北京工业大学 | Device and method for measuring relative heat conductivity coefficient of phase change member by radiant heat exchange method |
| CN108489841A (en) * | 2018-04-04 | 2018-09-04 | 中国建筑材料科学研究总院有限公司 | A kind of phase-change material cold cycling endurance testing device and test method |
| CN109540958A (en) * | 2018-12-05 | 2019-03-29 | 山东恒利热载体工程技术有限公司 | The quick detection device of organic heat carrier |
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Granted publication date: 20121205 |