CN206146861U - Fast cold circulation of fast heat of solid -liquid phase -change material and material stability test system - Google Patents
Fast cold circulation of fast heat of solid -liquid phase -change material and material stability test system Download PDFInfo
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- CN206146861U CN206146861U CN201620918994.XU CN201620918994U CN206146861U CN 206146861 U CN206146861 U CN 206146861U CN 201620918994 U CN201620918994 U CN 201620918994U CN 206146861 U CN206146861 U CN 206146861U
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- water
- storage box
- quickly cooling
- water storage
- speed heat
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Abstract
The utility model discloses a fast cold circulation of fast heat of solid -liquid phase -change material and material stability test system, including cold hot -water circulation supply subsystem and the fast cold sample test district of fast heat, cold hot -water circulation supply subsystem includes cold water water storage box, hot water water storage box and heat pump cycle module, compressor in the heat pump cycle module is connected with water cooled condenser, and water cooled condenser is connected with the expansion valve, and the expansion valve is connected with water cooling type evaporator, and water cooling type evaporator is connected with the compressor, water cooled condenser arranges in in the hot water water storage box, water cooling type evaporator arranges in in the cold water water storage box. The beneficial effects of the utility model are that: the function is simple, and is with strong points, can realize up to ten thousand times the cold phase transition circulation of fast heat / speed, equipment structure is simple, and the installation degree of difficulty is low, and the strong operability realizes automated control, saves electric power, the succinct high efficiency of whole design, and the manufacturability is good, and occupation space is little, and economic cost low, equipment do not contain mechanically moving parts, stop frequent maintenance, and long service life has very high engineering application and worth.
Description
【Technical field】
This utility model is related to testing of materials field, and especially a kind of solid-liquid phase change material speed heat quickly cooling circulation and material are steady
Qualitative test system.
【Background technology】
Phase-change material is carried out after multiple phase transformation circulation, and the stability of its hot physical property is to determine the phase-change material application
Important indicator.Existing achievable quickly cooling, the experimental apparatus of speed heat function are mainly used in studying material after sample quickly cooling or speed heat
Thermal physical property parameter, therefore only once freezed or heated, do not made with the multiple speed heat quickly cooling phase transformation circulation of phase-change material and counting
For target.Additionally, existing equipment complex structure, greatly, price is high, generally requires 3～50,000 yuan/platform or so for installation difficulty.If
It realizes that the multiple phase transformation to phase-change material is circulated, and not only needs control manually, and with high costs, and Technical Economy is low.
In order to solve the defect of prior art presence, someone is improved equipment, Application No.
201010283704.6, it is entitled《A kind of system for testing stability of solid-liquid phase change materials》Utility application；Application
Number be 201210142242.5, it is entitled《A kind of phase-changing energy storage material automatization thermal cycle experiment device and method》Practicality it is new
Type patent application describes respectively two kinds of different improvement projects.But above two is improved equal scheme and is had the following disadvantages：1st, it is every
The secondary circulation measurement that can only realize individual sample, inefficiency；2nd, it is low using efficiency during semiconductor refrigerating, need to consume very
Many electric energy, very high initial cost is needed using water bath with thermostatic control as Cooling and Heat Source；3rd, all material is placed in test tube, test tube is placed in water
In bath, the heat transfer of phase-change material is all low than teaching in the heat transfer of test tube and test tube.
【Utility model content】
The purpose of this utility model is to overcome the shortcomings of that above-mentioned prior art is present, and proposes that one kind is with strong points, speed heat/
Quickly cooling phase transformation cycle-index is more, and simple structure, installation difficulty is low, and Financial cost is low, solid-liquid phase change the advantages of long service life
Material speed heat quickly cooling is circulated and stability of material test system.
To achieve these goals, this utility model is realized in：A kind of solid-liquid phase change material speed heat quickly cooling circulation
And stability of material test system, including hot and cold water circulation-supplied subsystem and speed heat quickly cooling sample test area, the hot and cold water
Circulation-supplied subsystem includes cold water water storage box, hot water water storage box and heat pump cycle module, and the heat pump cycle module includes pressure
Contracting machine, water cooled condenser, expansion valve, water-cooled vaporizer, the compressor are connected by pipeline with water cooled condenser, institute
State water cooled condenser to be connected with the expansion valve by pipeline, the expansion valve is connected by pipeline with the water-cooled vaporizer
Connect, the water-cooled vaporizer is connected by pipeline with the compressor, form heat pump cycle；The water cooled condenser is placed in
In the hot water water storage box；The water-cooled vaporizer is placed in the cold water water storage box.
Ball-cock assembly and automatic water-replenishing device are set in the hot water water storage box, and automatic water-replenishing device is positioned using ball-cock assembly
Moisturizing, when the water level in water tank is less than setting value, ball-cock assembly can be automatically turned on to hot water water storage box moisturizing.
Electrical auxiliary heater is provided with hot water water storage box.
The arrival end in the speed heat quickly cooling sample test area is connected respectively by pipeline with cold water water storage box and hot water water storage box
Connect, set respectively on the pipeline that is connected with cold water water storage box and hot water water storage box of arrival end in the speed heat quickly cooling sample test area
Put electric check valve；Arrival end in the speed heat quickly cooling sample test area arranges water circulating pump；The speed heat quickly cooling sample is surveyed
The port of export in examination area is connected respectively by pipeline with cold water water storage box and hot water water storage box, in the speed heat quickly cooling sample test area
The pipeline that is connected with cold water water storage box and hot water water storage box of the port of export on be respectively provided with electric check valve.
The speed heat quickly cooling sample test area include into water supervisor, water outlet main pipe and be arranged on it is described enter water supervisor and water outlet
Some arms composition of same Cheng Liudao is formed between supervisor, several sample test holes are set on the arm.
The arm can be root, per arm described in root on be provided with 10 sample test holes.
In the water inlet end of the arm, hand stop valve is set.
The sample test hole includes the bulge and rubber seal plug being fixed on the arm, the rubber seal
Gag is at the opening of the bulge.
The bulge includes container outer shroud and container internal ring, is provided between the container outer shroud and container internal ring
For containing the sample cavity of test sample, the sample cavity inside middle is provided with thermocouple.
Solid-liquid phase change material in solid-liquid phase change because caning absorb or discharging a large amount of heat energy and keep stationary temperature, tool simultaneously
There is the energy storage density bigger than sensible heat energy-accumulation material, therefore can be applied in the energy storage equipment of various energy resources system, for example too
The hold over system of positive energy heat utilization, the cold accumulation system of air-conditioning, heat recovery system of industrial exhaust heat etc..Solid-liquid phase change material can be divided into
Organic phase change material and inorganic phase-changing material, during due to practical engineering application, phase-change material needs dry hundred times or even tens thousand of times instead
Remelt, solidification, this requires to test the stability and reliability of nucleator and stabilizer life-time service.If used
Manually repeat this process, by quite time-consuming effort.The phase-change material of other type, through being repeatedly used for a long, also may be used
Can there is latent heat of phase change reduction, phase transition temperature is unstable to wait relaxation phenomenon, therefore also has the demand of stability test.
Heat stability after the cold and hot phase transformation circulation repeatedly of phase-change material is the important indicator for determining phase-change material application,
The equipment that speed heat quickly cooling phase transformation circulation is carried out currently for it belongs to technology and the market vacancy.This utility model patent is a kind of solid
Liquid phase-change material speed heat quickly cooling is circulated and stability of material test system, by providing cold water hot water for sample and then realizing cold and hot
Phase transformation is circulated, while realizing the metering of cycle-index during valve transfer.Not only technically realize phase-change material
The phase transformation of speed heat quickly cooling circulation problem, the patent equipment be also equipped with delicate structure, with material saving, low cost, occupy little space
Plurality of advantages.Additionally, the motion of whole service process mechanical, without abrasion, long working life, reliability is high.Therefore, the practicality is new
Type has not only captured current technology difficult point, while with very high engineering application value.
Generally speaking, compared with prior art, the beneficial effects of the utility model are：Function is simple, with strong points, can be with
Realize the speed heat/quickly cooling phase transformation circulation of up to ten thousand times；Device structure is simple, and installation difficulty is low, strong operability, realizes that automatization is controlled
System, saves electric power, and whole design is succinct, and efficiently good manufacturability takes up room little, and Financial cost is low, and equipment does not contain mechanical movement
Part, prevents frequently maintenance, long service life, with very high engineering application value.
【Description of the drawings】
Fig. 1 is the system of a kind of solid-liquid phase change material speed heat quickly cooling circulation of this utility model and stability of material test system
Schematic diagram；
Fig. 2 is a kind of solid-liquid phase change material speed heat quickly cooling circulation of this utility model and the sample in stability of material test system
Product test section structure chart；
Fig. 3 is a kind of solid-liquid phase change material speed heat quickly cooling circulation of this utility model and the sample in stability of material test system
Arm sectional view in product test section；
Fig. 4 is a kind of solid-liquid phase change material speed heat quickly cooling circulation of this utility model and the sample in stability of material test system
The top view of the bulge in product test section.
【Specific embodiment】
Explanation is described in detail to this utility model below in conjunction with the drawings and specific embodiments.
A kind of solid-liquid phase change material speed heat quickly cooling circulation and stability of material test system, can be used for phase-change material thermally-stabilised
Property test, as shown in figure 1, it includes hot and cold water circulation-supplied subsystem, speed heat quickly cooling sample test area 7, pattern switching from
Dynamic control subsystem, data measurin system and data acquisition cycle-index number system.
Wherein, the hot and cold water circulation-supplied subsystem includes cold water water storage box 11, hot water water storage box 12 and heat pump cycle
Module, the heat pump cycle module includes compressor 1, water cooled condenser 2, expansion valve 3, water-cooled vaporizer 4, the compression
Machine 1 is connected by pipeline with water cooled condenser 2, and the water cooled condenser 2 is connected by pipeline with the expansion valve 3, institute
State expansion valve 3 to be connected with the water-cooled vaporizer 4 by pipeline, the water-cooled vaporizer 4 is by pipeline and the compression
Machine 1 connects, and forms heat pump cycle.Wherein, the water cooled condenser 2 is placed in the hot water water storage box 12, for heating heat
Water in water water storage box 12, arranges ball-cock assembly and automatic water-replenishing device 9, automatic water-replenishing device 9 in the hot water water storage box 12
Moisturizing is positioned using ball-cock assembly, ball-cock assembly can be automatically turned on to hot water water storage box 12 when the water level in water tank is less than setting value
Moisturizing.Electrical auxiliary heater 10 is provided with hot water water storage box 12, the electrical auxiliary heater 10 can be heating wire, be used for
Auxiliary heating.The water-cooled vaporizer 4 is placed in the cold water water storage box 11, for cooling down the water in cold water water storage box 11.
Ball-cock assembly 9 and automatic water-replenishing device are arranged in the cold water water storage box 11 to be used to prevent overflow and automatic water supplement.
The arrival end in the speed heat quickly cooling sample test area 7 by pipeline respectively with cold water water storage box 11 and hot water water storage box
12 connections, the pipeline that the arrival end in the speed heat quickly cooling sample test area is connected with cold water water storage box 11 and hot water water storage box 12
On be respectively provided with (the SV of electric check valve 81, SV3)；Arrival end in the speed heat quickly cooling sample test area arranges water circulating pump 5,
For extracting the liquid of cold water water storage box 11 and hot water water storage box 12.The port of export in the speed heat quickly cooling sample test area 7 passes through
Pipeline is connected respectively with cold water water storage box 11 and hot water water storage box 12, the speed heat quickly cooling sample test area 7 the port of export with
(the SV of electric check valve 8 is respectively provided with cold water water storage box 11 and the pipeline of the connection of hot water water storage box 122, SV4)。
The speed heat quickly cooling sample test area 7 is as shown in Fig. 2 including entering water supervisor 71, water outlet main pipe 74 and be arranged on institute
State and form some arms 72 of same Cheng Liudao between water supervisor 71 and water outlet main pipe 74 and constitute, the arm 72 can be 5.
Several sample test holes 73 are set on the arm 72, for installing sample test container.Set on per arm described in root 72
It is equipped with 10 sample test holes 73.Entering to arrange 5 arms 72 between water supervisor 71 and water outlet main pipe 72 described, such 5
50 sample test holes 73 can be set on the arm 72, therefore 50 sample test containers altogether can be disposed.In the institute per root
The water inlet end for stating arm 72 arranges stop valve 6, the preferred manual stop valve 6 of the stop valve 6, in order to manual operation.
1 hand stop valve control, hand stop valve 10 sample test holes 73 disposed behind, institute are set on each arm
Stating the tube wall hole position upper band in sample test hole 73 has screw thread, is sealed for tightening rubber closure.Whole sample area has
50 sample test holes 73, for selecting to use in test process.The switch of the hand stop valve in manually adjustable arm 72 comes
The entrance of control current, untapped sample test hole 73 need to screw on threaded rubber closure, prevent leak.Wherein, institute
State into water supervisor 71 and water outlet main pipe 72 internal diameter h be 7.5mm, length a be 550mm.Length g of the arm 72 is 800mm,
The one end of the arm 72 to length f of the one end of stop valve 6 is 600mm, and internal diameter i is 60mm.The center of circle in the sample test hole 73
Spacing e is 60mm.The internal diameter i in the sample test hole 73 is 38mm.Outermost side branch 72 and entrance and exit end distance (k,
D) be 50mm, sample test hole 73 and water outlet main pipe 74 it is nearest apart from c be 70mm.
As shown in Figure 3 and Figure 4, the sample test hole 73 includes the He of bulge 731 being fixed on the arm 72
Rubber seal plug 732, the rubber seal plug 732 is placed at the opening of the bulge 731, is threaded connection.It is described
Bulge 731 includes container outer shroud 733 and container internal ring 734, sets between the container outer shroud 733 and container internal ring 734
The sample cavity 735 for containing test sample is equipped with, the inside middle of the sample cavity 735 is provided with thermocouple 736, it is to avoid touched
Touch side wall and produce test error.Rubber seal ring 737 is lined between bulge 731 and arm 72.The container internal ring
734 external diameter p is 19mm, and the height s of the container internal ring 734 is 50mm；The external diameter q of the container outer shroud 733 is 35mm；Institute
The height o for stating container outer shroud 733 is 60mm.
The bulge 731 is copper into can be by the copper pipe and copper ring welding processing of DN35 and DN19 containers
Into, rubber seal plug 732 is cased with, it is closely excessively to coordinate between container outer shroud 733 and rubber seal ring 737.Rubber seal
The periphery of ring 737 has screw thread, is screwed on the sample test hole 73 on arm 72, need to ensure to be fitted close prevent leakage.Test sample
After loading container, thermocouple 736 is inserted, thermocouple limit need to be guaranteed in centre position, it is to avoid touched side wall and produce test and miss
Difference.
Electric check valve connection mode switches automatic control system, and by measured temperature value the opening and closing of electric check valve is instructed.
The pattern switching automatic control system is by program setting, with sample measurement temperature as the multiple electricity of control indexes
The opening and closing of dynamic stop valve, it is final to realize surveying phase-change material and heating up melting so as to realize the switching between speed heat and quickly cooling two-mode
With the phase transition process of cooling solidification.
The data measurin system is the turnover to cold water in the hot water entrance in hot water water storage box, cold water water storage box
The positions such as mouth, each arm import and export and sample material carry out temperature survey (such as adopting thermocouple), afterwards by measured temperature value
As the judge index of control logic in pattern switching automatic control system, the Automated condtrol of the system is realized.
The data acquisition cycles counting how many times system be temperature involved in record system, flow, compressor and
The acquisition system of the measured values such as the power consumption of water pump and electric check valve switching times data.Speed heat cooling pattern is circulated 1 time,
I.e. electric check valve switches 2 times, is designated as completing 1 phase transformation circulation.
In order to more clearly describe this utility model, the course of work of the present utility model such as following table is described below：
Different operation modes electric check valve door state table in experimentation
| Sequence number | Pattern | Heat pump | Electric check valve state |
| 1 | Plus heat fusing pattern | Open | SV1 is closed, and SV2 is closed, and SV3 is opened, and SV4 is opened, and SV5 is opened |
| 2 | Cooled and solidified pattern | Open | SV1 is opened, and SV2 is opened, and SV3 is closed, and SV4 is closed, and SV5 is opened |
| 3 | It is out of service | Stop | SV1 is closed, and SV2 is closed, and SV3 is closed, and SV4 is closed, and SV5 is closed |
First, heat pump starts, and high-temperature gas cold-producing medium is discharged from compressor outlet, into water cooled condenser by heat
Amount passes to the water in hot water water storage box, is condensed into liquid, and liquid refrigerant becomes gas-liquid two-phase refrigeration after expansion valve throttling
Agent, two phase refrigerant enters the heat that vaporizer absorbs cold water, becomes gas and finally enter compressor to complete a kind of refrigeration cycle.
Then, when the water temperature of cold water water storage box and hot water water storage box is reached value set in advance by heat pump, start
Water circulating pump, to sample test area hot and cold water is conveyed.
Working method under set forth below plus heat fusing and cooled and solidified both of which：
1st, heat fusing pattern is added：Water circulating pump extracts hot water from heating water tank, is transported to sample area, afterwards hot water
Boiler is returned, in water circulation route such as Fig. 1 shown in red solid line arrow；Treat that sample is completely melt, its temperature rises to and is
System setting value Thigh (typically takes the temperature value higher than 10 degree of the sample phase transition temperature), the electronic cut-off of automatic control system regulation
Valve, by operating mode refrigerating mode is switched to；
2nd, cooled and solidified pattern：Water circulating pump (5) extracts cold water from cold water storage cistern, is transported to sample area, Zhi Houleng
Water Returning water case, in water circulation route such as Fig. 1 shown in blue dotted arrow；Treat that sample solidifies completely, its temperature is reduced to
Default value Tlow (typically takes the temperature value less than 10 degree of the sample phase transition temperature), and automatic control system adjusts electronic cut-off
Valve, by operating mode heating mode is switched to.
When electromagnetic valve switches after 2 times, enumerator is designated as 1 circulation；Heating/cooling operating mode iterative cycles, it is to be counted
When device counts cycle-index and reaches the cycle-index set by system, program can make remind and termination device operation, successively
Stop heat pump and water circulating pump and close electric check valve valve.The harvesters such as temperature, flow and counting assembly continue
Carry out, treat that manual operation is stopped.
Preferred embodiment of the present utility model described in detail above, it will be appreciated that the ordinary skill of this area without
Need creative work just can make many modifications and variations according to design of the present utility model.Therefore, it is all in the art
Technical staff is conceived in prior art basis by logical analyses, reasoning or can according to limited experiment according to this utility model
With the technical scheme for obtaining, should be among the protection domain determined by the claims.
Claims (9)
1. a kind of solid-liquid phase change material speed heat quickly cooling is circulated and stability of material test system, including hot and cold water circulation-supplied subsystem
System and speed heat quickly cooling sample test area, it is characterised in that the hot and cold water circulation-supplied subsystem includes cold water water storage box, hot water
Water storage box and heat pump cycle module, the heat pump cycle module includes that compressor, water cooled condenser, expansion valve, water-cooled are steamed
Send out device, the compressor to be connected with water cooled condenser by pipeline, the water cooled condenser is by pipeline and the expansion
Valve connects, and the expansion valve is connected by pipeline with the water-cooled vaporizer, and the water-cooled vaporizer is by pipeline and institute
Compressor connection is stated, heat pump cycle is formed；The water cooled condenser is placed in the hot water water storage box；The water-cooled evaporation
Device is placed in the cold water water storage box.
2. circulate and stability of material test system according to a kind of solid-liquid phase change material speed heat quickly cooling described in claim 1, its
It is characterised by, ball-cock assembly and automatic water-replenishing device is set in the hot water water storage box.
3. circulate and stability of material test system according to a kind of solid-liquid phase change material speed heat quickly cooling described in claim 2, its
It is characterised by, in hot water water storage box electrical auxiliary heater is provided with.
4. circulate and stability of material test system according to a kind of solid-liquid phase change material speed heat quickly cooling described in claim 1, its
It is characterised by, the arrival end in the speed heat quickly cooling sample test area is connected respectively by pipeline with cold water water storage box and hot water water storage box
Connect, set respectively on the pipeline that is connected with cold water water storage box and hot water water storage box of arrival end in the speed heat quickly cooling sample test area
Put electric check valve；Arrival end in the speed heat quickly cooling sample test area arranges water circulating pump；The speed heat quickly cooling sample is surveyed
The port of export in examination area is connected respectively by pipeline with cold water water storage box and hot water water storage box, in the speed heat quickly cooling sample test area
The pipeline that is connected with cold water water storage box and hot water water storage box of the port of export on be respectively provided with electric check valve.
5. circulate and stability of material test system according to a kind of solid-liquid phase change material speed heat quickly cooling described in claim 4, its
Be characterised by, the speed heat quickly cooling sample test area by enter water supervisor, water outlet main pipe and be arranged on it is described enter water supervisor and water outlet
Some arms composition of same Cheng Liudao is formed between supervisor, several sample test holes are set on the arm.
6. circulate and stability of material test system according to a kind of solid-liquid phase change material speed heat quickly cooling described in claim 5, its
Be characterised by, the arm can be root, per arm described in root on be provided with 10 sample test holes.
7. circulate and stability of material test system according to a kind of solid-liquid phase change material speed heat quickly cooling described in claim 5, its
It is characterised by, stop valve is set in the water inlet end of the arm.
8. circulate and stability of material test system according to a kind of solid-liquid phase change material speed heat quickly cooling described in claim 5, its
It is characterised by, the sample test hole includes the bulge and rubber seal plug being fixed on the arm, the rubber is close
Blocking is placed at the opening of the bulge.
9. circulate and stability of material test system according to a kind of solid-liquid phase change material speed heat quickly cooling described in claim 8, its
It is characterised by, the bulge includes container outer shroud and container internal ring, arranges between the container outer shroud and container internal ring
There is the sample cavity for containing test sample, the sample cavity inside middle is provided with thermocouple.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015211407168 | 2015-12-30 | ||
| CN201521140716 | 2015-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206146861U true CN206146861U (en) | 2017-05-03 |
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ID=58627868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620918994.XU Expired - Fee Related CN206146861U (en) | 2015-12-30 | 2016-08-22 | Fast cold circulation of fast heat of solid -liquid phase -change material and material stability test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206146861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195875A (en) * | 2017-12-12 | 2018-06-22 | 中国科学院过程工程研究所 | A kind of rapid automatized system and its assay method for measuring phase-change material cold cycling of width warm area |
| CN109406561A (en) * | 2018-12-13 | 2019-03-01 | 西安交通大学 | A kind of metal foam Ice-storing ball visual experimental apparatus |
-
2016
- 2016-08-22 CN CN201620918994.XU patent/CN206146861U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195875A (en) * | 2017-12-12 | 2018-06-22 | 中国科学院过程工程研究所 | A kind of rapid automatized system and its assay method for measuring phase-change material cold cycling of width warm area |
| CN108195875B (en) * | 2017-12-12 | 2020-01-21 | 中国科学院过程工程研究所 | System and method for rapidly and automatically measuring cold and hot circulation of phase change material in wide temperature area |
| CN109406561A (en) * | 2018-12-13 | 2019-03-01 | 西安交通大学 | A kind of metal foam Ice-storing ball visual experimental apparatus |
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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: 20170503 Termination date: 20170822 |