CN109555233A - A kind of passive phase change thermal storage wall of overall assembled solar energy - Google Patents
A kind of passive phase change thermal storage wall of overall assembled solar energy Download PDFInfo
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- CN109555233A CN109555233A CN201910027249.4A CN201910027249A CN109555233A CN 109555233 A CN109555233 A CN 109555233A CN 201910027249 A CN201910027249 A CN 201910027249A CN 109555233 A CN109555233 A CN 109555233A
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- air duct
- wall
- solar energy
- heat
- phase transformation
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- 230000008859 change Effects 0.000 title claims abstract description 10
- 230000009466 transformation Effects 0.000 claims abstract description 52
- 239000011521 glass Substances 0.000 claims abstract description 22
- 238000009825 accumulation Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims description 6
- 239000003344 environmental pollutant Substances 0.000 claims description 2
- 231100000719 pollutant Toxicity 0.000 claims description 2
- 230000007704 transition Effects 0.000 abstract description 8
- 230000001419 dependent effect Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 13
- 239000012782 phase change material Substances 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 238000005338 heat storage Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7645—Exterior insulation of exterior walls with ventilation means for the insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0089—Systems using radiation from walls or panels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Sustainable Energy (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of passive phase change thermal storage walls of overall assembled solar energy, belong to solar energy phase transition heat accumulation field, are related to storing and discharging for solar energy.It includes that the glass cover-plate 1 of outside, the solar heat-collection plate 2 on the inside of glass cover-plate, the vertical air duct 3 in outside, the small-power aerofoil fan 4 being mounted in the vertical air duct 3 in outside, work for small-power axial flow blower 4 solar panel 5 for providing electric energy, indoor lateral phase transformation module 6, the vertical air duct 7 in indoor, indoor inside phase transformation module 8, heat-preserving wall 9, wall upper horizontal air duct 10, wall lower horizontal air duct 11 and rectangle rotate glass plate 12.The invention solves the problems, such as that solar energy phase transition heat accumulation wall body structure is complicated, difficult to install；Solving the problems, such as to be completely dependent on hot-air, passively to recycle accumulation of heat effect undesirable；Solve the problems, such as that night phase transformation module heat release is too fast.
Description
Technical field
The invention belongs to solar energy phase transition heat accumulation fields, and in particular to a kind of passive phase-transition heat-storage of overall assembled solar energy
Wall.
Technical background
With the sustainable development of national economy and the continuous consumption of the energy, energy problem increasingly becomes limitation country hair
The major issue of exhibition.According to statistics, building energy consumption accounts for 30% or so of Chinese society total energy consumption, and freeze, heating energy consumption is occupied and is built
60% or more of energy consumption is built, how to reduce refrigeration, heating energy consumption to the social total energy consumption of reduction, and then " energy conservation subtracts for response country
Row " policy is most important.
Solar energy has very high development potentiality as a kind of clean renewable energy.Simultaneously because solar energy by
On the earth round the clock, the influence in season, weather etc. be a kind of unstable energy again, this increases to the large-scale application of solar energy
Difficulty.In order to make solar energy become a kind of continuous, stable energy, so that eventually becoming can mutually compete with conventional energy resource
Alternative energy source the solar radiant energy on sunny daytime is stored up as far as possible, with regard to accumulation of energy problem must be resolved for night
Between or rainy days use.Solar energy phase transition heat accumulation technology is exactly that the solar energy on daytime is stored in phase-change material, will at night
The heat stored in phase-change material releases as rooms.
Assembled architecture is a kind of construction style that country vigorously advocates in recent years, is by building subassembly first by Workshop Production
Complete the process, then assembled at the construction field (site), construction speed is fast, save labour, construction quality is high, wallboard can be repeatedly
Disassembly uses, and reduces the discharge of fugitive dust, building waste, meets the requirement of green building.On November 14th, 2015 lives the portion that builds
20% or more the ratio that " building industry modernization development outline " plan accounts for new building to the year two thousand twenty assembled architecture is put into effect, is arrived
Assembled architecture in 2025 accounts for 50% or more the ratio of new building.
Current solar energy phase transition heat accumulation wall the main problems are as follows: be 1. all on the basis of existing wall
The equipment such as solar thermal collector, phase transformation heat-storage module are installed additional to constitute a complete solar energy phase transition heat accumulation wall, structure is multiple
It is miscellaneous, it is difficult to install；2. if the distance between solar thermal collector and phase transformation heat-storage module are too long, solar energy with hot-air or
The form of hot water is that the resistance of ducting is overcome also to consume a large amount of electricity during being transmitted to phase transformation module by solar thermal collector
Enough power can be provided for the transmission of heat, and the thermosyphon effect after being heated completely by air reaches solar energy
The phase-changing wall of accumulation of heat effect is then possible to can be because the reasons such as duct resistance cause passive accumulation of heat effect to be deteriorated；3. phase transformation stores
Hot wall heat release is too fast, it will usually because the fast reason of heat release cause the heat stored in phase-change material on daytime before midnight just
It releases, can not be rooms when the time after midnight, cause the cooling of time after midnight room serious.
Summary of the invention
The technical problems to be solved by the present invention are: making up, current solar energy phase transition heat accumulation wall body structure is complicated, installation is tired
Solar energy phase transition heat accumulation wall inclination is assembled wall, directly produces and processes completion, root by factory floor by the disadvantages of difficult
Need to be mounted on the specified position of metope according to user, needs that can also be different according to the later period when user demand changes
Disassembly uses repeatedly.The thermosyphon effect generated and the small-power of installation after transporting through heating air of solar heat
The wind pressure that aerofoil fan generates promotes hot-air to flow in air duct, and solar energy is passively stored in phase transformation module.It is indoor
Side phase transformation module is divided into two pieces inside and outside, indoor lateral phase transformation module heat release at first, by way of free convection and radiation heat transfer
For rooms, wait until before midnight indoor lateral phase transformation module by the heat loss stored it is complete after, indoor lateral phase transformation module
Temperature can reduce, indoor inside phase transformation module can give the heat transfer stored to indoor lateral phase transformation module at this time, then by room
Interior outside phase transformation module is rooms by way of free convection and radiation heat transfer.
It is realized the technical problem to be solved by the present invention is to technical solution in this way: overall assembled solar energy quilt
Dynamic phase change thermal storage wall rotates glass plate, solar heat-collection plate, solar panel, room by glass cover-plate, the rectangle of outside
Outside upright air duct, small-power axial flow blower, building heat preservation wall, wall upper horizontal air duct, wall lower horizontal air duct,
Indoor lateral side phase transformation module, indoor inside phase transformation module, the vertical air duct composition in indoor.Phase transformation module is provided with phase alternating temperature
The phase-change material that degree is 26 DEG C or so, two pieces of phase transformation module configured intermediates being parallel to each other go out the vertical air duct in indoor, hot-air
It flows through and exchanges heat between these air ducts and phase-change material, by heat storage in phase-change material.
The solution have the advantages that: the entire passive phase change thermal storage wall of solar energy has directly been produced and processed by factory floor
At, building site is directly transported to by factory and is assembled as needed, discharge of the reduction difficulty of construction with pollutant.When Heating Season,
Rectangle on daytime rotation glass plate is in vertical position, is formed and is closed with glass cover-plate, air duct connection in wall, solar energy heating
Plate collects solar energy and heats the air in the vertical air duct in outside, and the air after being heated is in thermosyphon action and small function
Middle wall body upper horizontal runner is flowed under the differential pressure action that the work of rate axial flow blower generates, is entered back into two phase transformation modules
Between the vertical air duct in indoor, in the vertical air duct in indoor side between hot-air and phase transformation module carry out heat exchange, by right
The mode to exchange heat is flowed by the heat storage in hot-air in phase transformation module, and the hot air temperature after heat exchange reduces, from indoor
Enter middle wall body lower horizontal air duct after vertical air duct outflow, finally flow back into the vertical air duct in outside and completed once again
Accumulation of heat circulation, night rectangle rotation glass plate rotates clockwise 90 °, by the vertical air duct in outside and wall upper horizontal air duct
It is separated, the heat stored is discharged by way of free convection and radiation heat transfer by indoor lateral phase transformation module first
In room, after the latent heat in indoor lateral phase transformation module discharges completely, the phase-change material in indoor lateral phase transformation module is complete
Solid-state is become from liquid, the temperature of indoor lateral phase transformation module starts to reduce, and indoor inside phase transformation module begins through wind later
To indoor lateral phase transformation module heat release in the form of radiation heat transfer and heat convection, heat is passed by outside phase transformation module in road
It is sent to interior, achievees the purpose that extend heating duration.When non-heating season, rectangle rotates glass plate and rotates 90 °, and outside is erected
Straight air duct is separated with wall upper horizontal air duct, the vertical air duct in outside and outdoor environment connection, is heated in air duct
Air is directly flowed out from the outlet above glass cover-plate, will not enter the room the phase transformation module of side.Glass plate is rotated by rectangle
Rotation control whether the accumulation of heat into phase transformation module, realize that non-heating season is white in accumulation of heat into phase transformation module on Heating Season daytime
It to phase transformation module accumulation of heat, will not be such that in the hot summer the temperature in room increases again.
Detailed description of the invention
Detailed description of the invention of the invention is as follows:
Fig. 1 is overall structure sectional view of the present invention
Fig. 2 is indoor wall structure front view in the present invention
Fig. 3 is outside wall body structure front view in the present invention
Fig. 4 is that the vertical air duct middle low power aerofoil fan in outside is distributed front view in the present invention
In figure: 1. glass cover-plates；2. solar heat-collection plate；3. the vertical air duct in outside；4. small-power aerofoil fan；5. too
Positive energy power generation plate；6. indoor lateral phase transformation module；7. the vertical air duct in indoor；8. inside phase transformation module in Room；9. insulated wall
Body；10. wall upper horizontal air duct；11. wall lower horizontal air duct；12. rectangle rotates glass plate.
Specific embodiment
With reference to embodiments and compares attached drawing the present invention is described in detail:
As shown in Figure 1, the present invention includes the glass cover-plate 1 of outside, the solar heat-collection plate 2 on the inside of glass cover-plate, room
Outside upright air duct 3, the small-power aerofoil fan 4 being mounted in the vertical air duct 3 in outside work for small-power axial flow blower 4
There is provided the solar panel 5 of electric energy, indoor lateral phase transformation module 6, the vertical air duct 7 in indoor, indoor inside phase transformation module 8,
Heat-preserving wall 9, wall upper horizontal air duct 10, wall lower horizontal air duct 11 and rectangle rotate glass plate 12.
As shown in Figure 1, when Heating Season, daytime, solar heat-collection plate 2 collected solar energy, will be in the vertical air duct 3 in outside
Air heating, while solar panel 5 converts a part of solar energy in the vertical air duct 3 in electrical energy drive outside and installs
Small-power axial flow blower work, the thermosyphon effect generated after air is heated follow due to small-power axial flow blower 4 work
Caused by pressure difference collective effect under, the air after being heated is introduced into wall upper horizontal air duct 10, subsequently into indoor and outdoor
The vertical air duct 7 in indoor constituted between side phase transformation module 6 and indoor inside phase transformation module, it is hot in the vertical air duct 7 in side indoors
Air exchanges heat with two pieces of phase transformation modules, and the solar energy on daytime is stored in phase-change material by two pieces of phase transformation modules, after heat exchange
Air flow through wall lower horizontal air duct 11 and come back to the vertical air duct 3 in outside.Turn cold outside night room, rectangle turns at this time
Dynamic glass plate 12 rotates clockwise 90 ° from vertical direction before, by the vertical air duct 3 in outside and wall upper horizontal air duct 10
It is separated, prevent air in the vertical air duct 7 in night indoor from flowed back in the vertical air duct 3 in outside after being heated, guarantee heat
It is completely discharged to interior.The heat stored is passed through free convection and radiation heat transfer first by before midnight indoor lateral phase transformation module 6
Mode pass to interior, room is heated up, the latent heat stored when the time after midnight in indoor lateral phase transformation module discharges completely
Afterwards, indoor inside phase transformation module 8 begins through air duct and heat is transmitted to indoor and outdoor in a manner of free convection and radiation heat transfer
Then the heat stored in phase transformation module 8 on the inside of interior is discharged into room by indoor lateral phase transformation module 6 again by side phase transformation module 6
Between in, overall effect can make entire night room all in heating state, so that entire storage exothermic process be made to reach daytime
Quick accumulation of heat, night slow exothermic effect.
When non-heating season, rectangle rotation glass plate 12 rotates clockwise 90 ° from vertical direction, by the vertical air duct 3 in outside
Separated with wall upper horizontal air duct 10, the air in the vertical air duct 3 in outside is after being heated directly from glass at this time
Cover board upper opening flow direction is outdoor, will not enter the room the vertical air duct in side, outdoor solar energy will not be transferred to interior.
Although above in conjunction with figure, invention has been described, and the invention is not limited to above-mentioned specific embodiment parties
Formula, above-mentioned specific embodiment is only schematical, rather than restrictive, and those skilled in the art are in this hair
Under bright enlightenment, without deviating from the spirit of the invention, many variations can also be made, these belong to of the invention
Within protection.
Claims (4)
1. a kind of passive phase change thermal storage wall of overall assembled solar energy it is characterized by: the system by outside glass cover-plate
1, the solar heat-collection plate 2 on the inside of glass cover-plate, the vertical air duct 3 in outside, the small-power being mounted in the vertical air duct 3 in outside
Aerofoil fan 4, work the solar panel 5 for providing electric energy, indoor lateral phase transformation module 6, interior for small-power axial flow blower 4
The vertical air duct 7 in side, indoor inside phase transformation module 8, heat-preserving wall 9, wall upper horizontal air duct 10, wall lower horizontal air duct 11
And rectangle rotation glass plate 12 forms.
2. a kind of passive phase change thermal storage wall of overall assembled solar energy according to claim 1, which is characterized in that the wall
Body belongs to assembled wall, and the entire passive phase change thermal storage wall of solar energy is directly produced and processed by factory floor and completed, directly by
Factory is transported to building site and is assembled as needed, reduces difficulty of construction with the discharge of pollutant.
3. a kind of passive phase change thermal storage wall of overall assembled solar energy according to claim 1, which is characterized in that the wall
The flowing of air is flowed auxiliary based on the free convection under thermosyphon effect using small-power axial flow blower as air in body air duct
Equipment is helped, ensure that the stability that air flows in air duct.
4. a kind of passive phase change thermal storage wall of overall assembled solar energy according to claim 1, which is characterized in that the wall
Two pieces of phase transformation modules are installed altogether, night, two pieces of phase transformation modules successively carried out heat release, extended the heat release of night phase transformation module in body
Time, it can be realized the heat release into room the whole night, overall operation has reached quick accumulation of heat on daytime, night slow exothermic effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910027249.4A CN109555233A (en) | 2019-01-11 | 2019-01-11 | A kind of passive phase change thermal storage wall of overall assembled solar energy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910027249.4A CN109555233A (en) | 2019-01-11 | 2019-01-11 | A kind of passive phase change thermal storage wall of overall assembled solar energy |
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| CN109555233A true CN109555233A (en) | 2019-04-02 |
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| CN201910027249.4A Pending CN109555233A (en) | 2019-01-11 | 2019-01-11 | A kind of passive phase change thermal storage wall of overall assembled solar energy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528745A (en) * | 2019-08-22 | 2019-12-03 | 西安中易建科技有限公司 | Integrated curtain wall system, control method based on photovoltaic phase-change thermal storage |
| CN111550859A (en) * | 2020-04-17 | 2020-08-18 | 西安建筑科技大学 | Partition type solar ventilation and heating system capable of alternately operating day and night |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528745A (en) * | 2019-08-22 | 2019-12-03 | 西安中易建科技有限公司 | Integrated curtain wall system, control method based on photovoltaic phase-change thermal storage |
| CN110528745B (en) * | 2019-08-22 | 2021-08-31 | 西安中易建科技有限公司 | Integrated curtain wall system based on photovoltaic phase change heat storage and control method |
| CN111550859A (en) * | 2020-04-17 | 2020-08-18 | 西安建筑科技大学 | Partition type solar ventilation and heating system capable of alternately operating day and night |
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Application publication date: 20190402 |