CN208026660U - Phase-change material thermal stability automatic test device for building - Google Patents
Phase-change material thermal stability automatic test device for building Download PDFInfo
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- CN208026660U CN208026660U CN201820466652.8U CN201820466652U CN208026660U CN 208026660 U CN208026660 U CN 208026660U CN 201820466652 U CN201820466652 U CN 201820466652U CN 208026660 U CN208026660 U CN 208026660U
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Abstract
The utility model is related to a kind of phase-change material thermal stability automatic test devices for building, including：Phase-change material cold cycling case, phase-change material cold cycling case top surface are equipped with circular hole, test tube, phase-change material for building built in test tube are arranged in circular hole；First hot and cold water three-way valve is connected with hot water constant temperature water-bath, cold water water bath with thermostatic control, phase-change material cold cycling babinet water inlet respectively, and hot and cold water feed pipe is equipped with multistage centrifugal variable frequency pump；Second hot and cold water three-way valve is connected with hot water constant temperature water-bath, cold water water bath with thermostatic control, phase-change material cold cycling babinet water outlet respectively；First hot and cold water three-way valve, the second hot and cold water three-way valve and multistage centrifugal variable frequency pump are connected with hot and cold water cycle controller, by hot and cold water cycle controller control hot and cold water cycle.The phase-change material thermal stability automatic test device for building of the utility model can realize being automatically brought into operation to the thermal stability cycle of phase-change material, and equipment is simple, reliable, saves manpower.
Description
Technical field
The utility model belongs to energy-storage materials of construction testing field, and in particular, to a kind of phase-change material heat for building is steady
Qualitative automatic test device.
Background technology
Currently, phase-change material has higher latent heat of phase change in certain transition temperature range, storage density is big, extensively
Apply to build the fields such as temperature control heat preservation.After phase-change material carries out multiple phase transformation cycle, the stability of hot physical property is to determine phase
Important indicator of the change material in building field.During storing exothermic, phase-change material should have longer service life,
Namely by repeatedly melt/solidify cycle after, stability will be got well.
Test phase-change material thermal stability is primarily present following deficiency at present：Cycle-index is unstable, and operation is relative complex,
Installation difficulty is high, and precision is difficult to control, and cost is higher, and service life is shorter, and hot and cold water cycle-index is shorter, cannot be very
Test of the good realization to the thermal stability of phase-change material, and install, observe the inconveniences such as sample, the inadequate human nature of operating system
Change, function deficiency etc..
Utility model content
To solve the above problems, the utility model provides a kind of phase-change material heat stability testing device for building, realize
To being automatically brought into operation for the thermal stability loop test of phase-change material.
To achieve the above object, the technical solution adopted in the utility model is as follows：
Phase-change material thermal stability automatic test device for building, including：Hot water constant temperature water-bath, cold water water bath with thermostatic control,
It is first hot and cold water three-way valve, the second hot and cold water three-way valve, phase-change material cold cycling case, multistage centrifugal variable frequency pump, cold and hot
Water cycle controller；Wherein：It is cold that phase-change material cold cycling case is equipped with phase-change material cold cycling babinet water inlet, phase-change material
Thermal cycle babinet water outlet, phase-change material cold cycling case top surface are equipped with circular hole, and test tube is arranged in circular hole, and test tube is built-in to be tested
Phase-change material for building；Three ports of the first hot and cold water three-way valve are respectively by hot water feeding pipe, cold water supplying pipe, cold
Hot water feeding pipe is connected with hot water constant temperature water-bath, cold water water bath with thermostatic control, phase-change material cold cycling babinet water inlet, and hot and cold water supplies
Water pipe is equipped with multistage centrifugal variable frequency pump；Three ports of the second hot and cold water three-way valve pass through hot water return pipe, cold water respectively
Return pipe, hot and cold water return pipe and hot water constant temperature water-bath, cold water water bath with thermostatic control, phase-change material cold cycling babinet water outlet phase
Even；First hot and cold water three-way valve, the second hot and cold water three-way valve and multistage centrifugal variable frequency pump with hot and cold water loop control
Device is connected, by hot and cold water cycle controller control hot and cold water cycle.
Preferably, phase-change material cold cycling babinet water inlet, phase-change material cold cycling babinet water outlet are located at phase transformation
The opposite both sides of material cold-heat circulating box and the position of phase-change material cold cycling babinet water inlet are followed less than phase-change material is cold and hot
The position of ring babinet water outlet.
Preferably, the first hot and cold water three-way valve includes cold water water inlet, hot water water inlet, hot and cold water discharge outlet, and first
Three-way valve is carried out using the opening and closing of hot and cold water cycle controller control cold water water inlet, hot water water inlet, hot and cold water discharge outlet
Hot and cold water is converted；Second hot and cold water three-way valve includes hot and cold water water inlet, cold water discharge outlet, hot water discharge outlet, the second threeway
Valve is carried out hot and cold water and is turned using hot and cold water cycle controller control hot and cold water water inlet, cold water discharge outlet, hot water discharge outlet
It changes.
Preferably, the hot water constant temperature bath is connected with thermal water source, and the cold water constant temperature bath is connected with cold water source.
Compared with the existing technology, the utility model has the advantages that：Phase-change material thermal stability for building is automatic
Being automatically brought into operation to the thermal stability cycle of phase-change material can be realized by changing test device, and equipment is simple, reliable, can not have
3000 times or more phase-change material accumulation of heats, exothermic process are completed in the case that people is on duty, save manpower.
Description of the drawings
Fig. 1 is phase-change material thermal stability automatic test device schematic diagram for building；
Fig. 2 is phase-change material cold cycling case schematic top plan view；
Fig. 3 is phase-change material cold cycling case diagrammatic cross-section；
In figure：1, hot water constant temperature water-bath, 2, cold water water bath with thermostatic control, the 3, first hot and cold water three-way valve, the 4, second hot and cold water
Three-way valve, 5, phase-change material cold cycling case, 6, multistage centrifugal variable frequency pump, 7, hot and cold water cycle controller, 8, cold water supplies water
Pipe, 9, cold-water return pipe, 10, hot water feeding pipe, 11, hot water return pipe, 12, test tube, 13, phase-change material cold cycling babinet enters
The mouth of a river, 14, phase-change material, 15, phase-change material cold cycling babinet water outlet.
Specific implementation mode
As shown in Figure 1, Figure 2, Figure 3 shows, phase-change material thermal stability automatic test device for building, including：Hot water constant temperature
Water-bath 1, cold water water bath with thermostatic control 2, the first hot and cold water three-way valve 3, the second hot and cold water three-way valve 4, phase-change material cold cycling
Case 5, multistage centrifugal variable frequency pump 6, hot and cold water cycle controller 7；Wherein：
The hot water constant temperature bath 1 is connected with thermal water source, provides the hot water that 50~60 DEG C of sections fix water temperature, and in hot water perseverance
Liquid level meter is arranged in warm bath 1, can be automatically replenished when hot water water level is too low, 1 dry combustion method of hot water constant temperature water-bath is prevented, and is ensured cold and hot
Hot water supply in cyclic process；
The cold water constant temperature bath 2 is connected with cold water source, provides the cold water that 0~5 DEG C of section fixes water temperature, and in cold water constant temperature
Liquid level meter is arranged in bath 2, is automatically replenished when cold water water level is too low, ensures the cold feed during cold cycling；
Phase-change material cold cycling case 5 is equipped with phase-change material cold cycling babinet water inlet 13, phase-change material cold cycling
Babinet water outlet 15, phase-change material cold cycling babinet water inlet 13, phase-change material cold cycling babinet water outlet 15 are located at phase
The position for becoming the opposite both sides of material cold-heat circulating box 5 and phase-change material cold cycling babinet water inlet 13 is cold less than phase-change material
The position of thermal cycle babinet water outlet 15, so as to ensure in fill cycle, in emptying phase-change material cold cycling case 5
Air fully carries out heat exchange cycle.
5 top surface of phase-change material cold cycling case is equipped with circular hole, and test tube 12 is arranged in circular hole, and that is tested built in test tube 12 builds
It builds and uses phase-change material 14, be tightly connected between test tube 12 and phase-change material cold cycling case 5, the phase-change material cold cycling case
5 good seals can form the pressure difference of water inlet and water outlet, ensure that cycle can be smoothed out；In cold water and hot water circuit
During, the test tube 12 and circulating water, hot water counter current contact, the interior phase-change material for building 14 tested of the test tube
Quick accumulation of heat, heat release, accelerate cold cycling process.
Three ports of the first hot and cold water three-way valve 3 pass through hot water feeding pipe 10, cold water supplying pipe 8, hot and cold water respectively
Feed pipe is connected with hot water constant temperature water-bath 1, cold water water bath with thermostatic control 2, phase-change material cold cycling babinet water inlet 13, and hot and cold water supplies
Water pipe is equipped with multistage centrifugal variable frequency pump 6, and multistage centrifugal variable frequency pump 6 provides cold water and the power of hot water circuit；
Three ports of the second hot and cold water three-way valve 4 pass through hot water return pipe 11, cold-water return pipe 9, hot and cold water respectively
Return pipe is connected with hot water constant temperature water-bath 1, cold water water bath with thermostatic control 2, phase-change material cold cycling babinet water outlet 15；
First hot and cold water three-way valve 3, the second hot and cold water three-way valve 4 and multistage centrifugal variable frequency pump 6 are and hot and cold water
Cycle controller 7 is connected；First hot and cold water three-way valve 3 includes cold water water inlet, hot water water inlet, hot and cold water discharge outlet, the
One three-way valve 3 controls the opening and closing of cold water water inlet, hot water water inlet, hot and cold water discharge outlet using hot and cold water cycle controller 7,
Carry out hot and cold water conversion；Second hot and cold water three-way valve 4 include hot and cold water water inlet, cold water discharge outlet, hot water discharge outlet, second
Three-way valve 4 controls hot and cold water water inlet, cold water discharge outlet, hot water discharge outlet using hot and cold water cycle controller 7, carries out cold and hot
Water is converted；The hot and cold water cycle controller 7 controls cold and hot water cycle process：When carrying out hot water circuit, it is cold to open first
The hot water water inlet of hot water three-way valve 3, hot and cold water discharge outlet, hot water outlet, the hot and cold water of the second hot and cold water three-way valve 4
Water inlet, simultaneously closes off the cold water water inlet of the first hot and cold water three-way valve 3, and the cold water of the second hot and cold water three-way valve 4 goes out
The mouth of a river, multistage centrifugal variable frequency pump 6 extract hot water, the hot water feeding pipe 10 passed through successively, the first hot and cold water from hot water constant temperature water-bath 1
Three-way valve 3, multistage centrifugal variable frequency pump 6, phase-change material cold cycling case 5, the second hot and cold water three-way valve 4, hot water return pipe
11, hot water circuit is completed in hot water constant temperature water-bath 1；When carrying out circulating chilled water, the cold water of the first hot and cold water three-way valve 3 is opened
Water inlet, hot and cold water water outlet, 4 cold water water outlet of the second hot and cold water three-way valve, hot and cold water water inlet, it is cold to simultaneously close off first
The hot water outlet of the hot water water inlet of hot water three-way valve 3, the second hot and cold water three-way valve 4, multistage centrifugal variable frequency pump 6 is from cold
Hot water, the cold water supplying pipe 8 passed through successively, the first hot and cold water three-way valve 3, multistage centrifugal variable frequency pump are extracted in water termostat water-bath 2
6, cold water is completed in phase-change material cold cycling case 5, the second hot and cold water three-way valve 4, cold-water return pipe 9, cold water water bath with thermostatic control 1
Water recycles.
The hot and cold water loop test controller test flow can set thermal cycling test total degree after switch is powered,
The duration recycled every time through supercooling (heat), and the automatic building for counting display, ensureing in test tube 12 is carried out to the number of cycle
The phase transition process and phase transformation number of requirement of experiment can be reached with phase-change material 14.By adjusting hot and cold water cycle controller 7, control
The time for hot water circuit of freezing, the number of hot and cold water cycle, the duration recycled every time through supercooling (heat).
The phase point temperature of the phase-change material for building 14 is 20~40 DEG C, under construction in use, ensureing to be in people
In body heat comfort zone.
The constant temperature cold bath 2 provide cold water temperature be in 0~5 DEG C between any specific value, can ensure phase for building
Become 14 quick solidification of material, completes exothermic process.
It is any specific value between 50~60 DEG C that the constant-temperature hot water hot bath 1, which provides temperature, can ensure phase for building
Become material 14 to melt rapidly, completes heat-accumulating process.
The test tube 12, phase-change material cold cycling case 5 be tightly connected, be by can be subjected to for a long time quickly cooling (0~5 DEG C),
Speed heat (50~60 DEG C) quartz glass is made, and ensures to be carried out continuously 3000 times or more cold cyclings without damaging.
12 inside of the test tube is for holding phase-change material, other side and 5 cold (heat) water of phase-change material cold cycling case
It is in contact, for carrying out heat convection.
Claims (4)
1. a kind of phase-change material thermal stability automatic test device for building, including：Hot water constant temperature water-bath, cold water thermostatted water
It is bath, the first hot and cold water three-way valve, the second hot and cold water three-way valve, phase-change material cold cycling case, multistage centrifugal variable frequency pump, cold
Hot water circuit controller；It is characterized in that：Phase-change material cold cycling case is equipped with phase-change material cold cycling babinet water inlet, phase
Become material cold-heat and recycle babinet water outlet, phase-change material cold cycling case top surface is equipped with circular hole, is arranged test tube in circular hole, in test tube
Set the phase-change material for building tested；Three ports of the first hot and cold water three-way valve pass through hot water feeding pipe, cold water respectively
Feed pipe, hot and cold water feed pipe and hot water constant temperature water-bath, cold water water bath with thermostatic control, phase-change material cold cycling babinet water inlet phase
Even, hot and cold water feed pipe is equipped with multistage centrifugal variable frequency pump；Three ports of the second hot and cold water three-way valve pass through hot water respectively
Return pipe, cold-water return pipe, hot and cold water return pipe and hot water constant temperature water-bath, cold water water bath with thermostatic control, phase-change material cold cycling case
Body water outlet is connected；First hot and cold water three-way valve, the second hot and cold water three-way valve and multistage centrifugal variable frequency pump with it is cold and hot
Water cycle controller is connected, by hot and cold water cycle controller control hot and cold water cycle.
2. phase-change material thermal stability automatic test device for building according to claim 1, it is characterised in that：Phase transformation
Material cold-heat cycle babinet water inlet, phase-change material cold cycling babinet water outlet are located at phase-change material cold cycling case on the contrary
Both sides and the position of phase-change material cold cycling babinet water inlet are less than the position of phase-change material cold cycling babinet water outlet.
3. phase-change material thermal stability automatic test device for building according to claim 1, it is characterised in that：First
Hot and cold water three-way valve includes cold water water inlet, hot water water inlet, hot and cold water discharge outlet, and the first three-way valve is followed using hot and cold water
Ring controller controls the opening and closing of cold water water inlet, hot water water inlet, hot and cold water discharge outlet, carries out hot and cold water conversion；Second is cold and hot
Water three-way valve includes hot and cold water water inlet, cold water discharge outlet, hot water discharge outlet, and the second three-way valve is using hot and cold water cycle control
Device processed controls hot and cold water water inlet, cold water discharge outlet, hot water discharge outlet, carries out hot and cold water conversion.
4. phase-change material thermal stability automatic test device for building according to claim 1, it is characterised in that：It is described
Hot water constant temperature bath is connected with thermal water source, and the cold water constant temperature bath is connected with cold water source.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017218095081 | 2017-12-21 | ||
| CN201721809508 | 2017-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208026660U true CN208026660U (en) | 2018-10-30 |
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ID=63909134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820466652.8U Expired - Fee Related CN208026660U (en) | 2017-12-21 | 2018-04-03 | Phase-change material thermal stability automatic test device for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208026660U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535310A (en) * | 2017-12-21 | 2018-09-14 | 华北水利水电大学 | Phase-change material thermal stability automatic test device for building |
| CN110329467A (en) * | 2019-08-09 | 2019-10-15 | 大连海事大学 | A kind of phase transformation buoyancy regulating device of hot and cold water loop control |
-
2018
- 2018-04-03 CN CN201820466652.8U patent/CN208026660U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535310A (en) * | 2017-12-21 | 2018-09-14 | 华北水利水电大学 | Phase-change material thermal stability automatic test device for building |
| CN110329467A (en) * | 2019-08-09 | 2019-10-15 | 大连海事大学 | A kind of phase transformation buoyancy regulating device of hot and cold water loop control |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 Termination date: 20190403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |