CN104534592B - Radiation heat exchange plate for the cold-storage cooling integration of solar airconditioning - Google Patents
Radiation heat exchange plate for the cold-storage cooling integration of solar airconditioning Download PDFInfo
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- CN104534592B CN104534592B CN201410821020.5A CN201410821020A CN104534592B CN 104534592 B CN104534592 B CN 104534592B CN 201410821020 A CN201410821020 A CN 201410821020A CN 104534592 B CN104534592 B CN 104534592B
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- cold
- heat exchange
- metal
- phase
- change material
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Classifications
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- 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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—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 cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F5/0021—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 cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
-
- 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
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- 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
- F24F2005/0067—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 with photovoltaic panels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
Abstract
The invention discloses a kind of radiation heat exchange plate of the cold-storage cooling integration for solar airconditioning, including metal cabinet, metal coil pipe, filling opening and phase-change material；Metal cabinet has top and bottom, and metal coil pipe is arranged on the outer surface at the top of this and is in close contact with the outer surface at the top of this, and filling opening is located at the position of the middle of the outer surface at the top of this, and filling opening runs through the top and extends to the outside of metal cabinet；Phase-change material is arranged on the inside of metal cabinet.The present invention makes full use of the high latent heat of phase change having of phase-change material and the characteristic of constant solidification/melt temperature, the condensation trouble that radiant panel is produced due to the unstability of solar energy cooling is efficiently solved, while also functioning to the effect of cold-storage and cooling.
Description
Technical field
The present invention relates to a kind of radiation heat exchange plate for solar airconditioning, more particularly to it is a kind of for solar airconditioning
Cold-storage cooling integrated radiation heat exchanger plates, belong to air-conditioning radiation cooling terminal domain.
Background technology
Modern architecture air-conditioning system suffers from higher requirement in terms of energy-saving and environmental protection and comfortableness, solar airconditioning because
The advantages of its energy-conserving and environment-protective and good seasonal adaptation and receive much attention.But either use adsorbent refrigerator or absorption
Refrigeration machine, the COP of solar air-conditioner system is very low.High temperature cold supply system is often used in for this solar airconditioning, is come with this
Improve the COP of refrigeration machine.In high temperature cold supply system, radiation heat transfer system have thermal comfort it is good, energy-efficient, without blowing feeling
And it is Jing Yin the advantages of.Therefore solar airconditioning is combined with radiation cooling end and can be good at meeting modern architecture to air-conditioning
Requirement of the system in terms of energy-saving and environmental protection and comfortableness.Yet with the discontinuity of solar energy, solar air-conditioner system is existed
The problem of producing cold unstable.And radiation cooling system has higher requirement to chilled water inflow temperature, once chilled water is intake
Danger that is too low, then can condensing；And the fluctuation of chilled water inflow temperature also reduces the comfortableness of radiation cooling；These are right
Solar air-conditioner system has been bonded challenge with radiation cooling end.Simultaneously because the periodicity of solar energy, solar energy is empty
Adjusting system there is also produce it is cold with building the unmatched problem of refrigeration duty, and the thermal inertia of general radiation cooling end compared with
It is low, therefore when supply and demand is mismatched, also need extra refrigeration unit to carry out cooling.
The U of Patent No. CN 202630324 Chinese patent " the heating metal radiation heat exchanger plates of cooling " discloses one kind
Metal radiation heat exchanger plates, it mainly solves the noise pollution and the inaesthetic defect of profile of general radiation plate presence, while
To a certain extent so that the surface temperature of radiant panel is more uniformly distributed.But it can not effectively solve the appearance of general radiation plate presence
The problem of easily condensing, and the cooling ability fluctuation problem caused by chilled water temperature is fluctuated.
In the prior art, the problem of easily being condensed for radiant panel, industry is typically using the side strictly controlled into water temperature
Method is just appropriate in design to improve inflow temperature to prevent the generation of condensation.But control requirement of the above method to system
Height, and higher inflow temperature means the decline of cooling ability, therefore limit promoting the use of for radiation cooling system.For
Solar airconditioning produces the unmatched problem of cold unstable and supply and demand, and a kind of effective solution is exactly to use cold-storage, particularly
Phase change cold-storage.Using the high latent heat of phase change and the characteristic of constant solidification/melt temperature of phase-change material, if choosing relatively reasonable
Production of the phase-change material of phase transformation temperature pointses to store solar airconditioning is cold, and is integrated into radiation heat transfer system, then a side
Face can ensure that the surface temperature of radiation tail end is consistently higher than dew-point temperature, on the other hand can also effectively solve solar energy empty
The unstability of adjusting system cooling and the mismatch problem of supply and demand.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are that exploitation one kind combines phase transformation
The radiation heat exchange plate of material, to solve the chilled water temperature that solar airconditioning radiation cooling end is produced by solar refrigeration machine
Fluctuate and possible caused condensation trouble, while also solving the unstability of solar air-conditioner system cooling and the mismatch of supply and demand
Problem, to play a part of cold-storage and cooling.
To achieve the above object, changed the invention provides a kind of radiation of the cold-storage cooling integration for solar airconditioning
Hot plate, including metal cabinet, metal coil pipe, filling opening and phase-change material；The metal cabinet has top and bottom, the gold
Category coil pipe is arranged on the outer surface at the top and is in close contact with the outer surface at the top, and the filling opening is located at the top
The position of the middle of the outer surface in portion, the filling opening runs through the top and extends to the outside of the metal cabinet；Institute
State the inside that phase-change material is arranged on the metal cabinet.
Further, the outer surface of the bottom of the metal cabinet scribbles radiation coating material.
Further, the outer surface at the top and the surface of the metal coil pipe are covered with heat-insulation layer, the filling opening
Pass the heat-insulation layer.
Further, the phase-change material is full of the inside of the metal cabinet.
Further, the phase-change material fills the inside of the metal cabinet by the filling opening.
Further, the phase-change material is organic phase change material.
The purpose designed herein is：Play a part of cold-storage using the high latent heat of phase change of the phase-change material, to buffer
The fluctuation of the cooling ability caused due to the fluctuation of solar refrigeration machine generation chilled water temperature.The phase transformation is utilized simultaneously
The characteristic of the constant solidification/melt temperature of material, to control the temperature of radiation heat transfer plate surface in the phase transformation of the phase-change material
Near temperature spot, and so that the temperature of whole radiation heat transfer plate surface is uniform, to prevent partial radiation heat exchange plate surface
Temperature condensed less than dew-point temperature, and improve the uniformity of heat exchange.Added phase-change material is organic phase-change material
Material, should meet corrosion-free to metal material, itself is nontoxic, free from extraneous odour, and nonflammable explosive wait requires.
Further, the metal cabinet is flat box shape.
Further, circulate the chilled water from solar refrigeration machine in the metal coil pipe.
Further, the metal coil pipe is arranged for serial or parallel connection.
Further, the U-shaped neat arrangement of the metal coil pipe, and be covered with the metal cabinet the top it is outer
Surface.
Further, the metal dish pipe has is respectively connected with quickly in inlet and outlet, the import and the outlet
Joint.
The purpose designed herein is：The arrangement of series connection simplifies structure, and with the addition of the plate surface that exchanged heat after phase-change material
Temperature it is more uniform, and be arranged in parallel that structure is complex, but the temperature of heat exchange plate surface can be made more uniform.While metal
The surrounding of casing can easily piece together a bigger heat exchanger plates without projection, multiple heat exchange Slab elements.Import and
It can make easily to connect between multiple heat exchange Slab elements after the connection snap joint of exit, its connected mode can be string
Connection is either in parallel.
Further, the filling opening is screwed pipe mouthful.
Further, tapped capping is also equipped with the filling opening, the internal thread is taper pipe thread.
The purpose designed herein is：Filling opening filling phase-change material for convenience, and the later stage fluid infusion；Taper pipe thread
Leakage can effectively be prevented.
The operation principle of the integrated radiation heat exchange plate of the cold-storage cooling for being used for solar airconditioning of the present invention is：To sky
Transfer house during a cooling, toward metal coil pipe in be passed through the chilled water produced from solar refrigeration machine, cold passes through metal dish
Tube wall is directly passed to the top wall against the metal cabinet of metal coil pipe, then passes to the work that phase-change material plays cold-storage
With, pass to the bottom of metal cabinet finally by phase-change material layers, and outer surface and the surrounding ring of the bottom of metal cabinet
Border is radiated and heat convection.It can also be supplemented when solar airconditioning cooling is not enough by phase-change material released cold quantity.
In view of the characteristic of high latent heat of phase change that phase-change material has and constant solidification/melt temperature, use of the invention
There is advantages below in the radiation heat exchange plate of the cold-storage cooling integration of solar airconditioning：
(1) uniformity of temperature profile of radiation heat transfer plate surface, improve the comfort level of cooling, it is to avoid due to office during cooling
The too low local condensation caused of portion's temperature；
(2) due to phase-change material cold-storage effect, effectively buffered due to the ripple of solar airconditioning chilled water temperature
Move and the cooling caused or the fluctuation of heating capacity so that radiation heat transfer system is preferably matched with solar refrigeration system；
(3) due to constant solidification/melt temperature of phase-change material, the temperature control work to radiation heat transfer plate surface is served
With having delayed due to overall caused by solar airconditioning chilled water temperature bust or local condensation trouble；
(4) effect of cold-storage and cooling is served, the cooling and building cooling load for solving solar airconditioning are unmatched
Problem；
(5) phase-change material of filling is effectively isolated and absorbs current noise；
(6) it is simple in construction, it is easy for installation, it is easy to promote the use of.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the radiation heat transfer of the cold-storage cooling integration for solar airconditioning of the preferred embodiment of the present invention
The external structure schematic diagram of plate；
Fig. 2 is the radiation heat transfer of the cold-storage cooling integration for solar airconditioning of the preferred embodiment of the present invention
The internal structure schematic diagram of plate.
Embodiment
As depicted in figs. 1 and 2, a preferred embodiment of the invention provides a kind of cold-storage for solar airconditioning and supplied
Cold integrated radiation heat exchange plate, including metal cabinet 1, metal coil pipe 2, filling opening 5 and phase-change material.Metal cabinet 1 is flat
Box shape, with top 6 and bottom 7.Metal coil pipe 2 is arranged on the outer surface at top 6 and close with the outer surface at top 6
Contact.Filling opening 5 is screwed pipe mouthful, and the position positioned at the middle of the outer surface at top 6, filling opening 5 runs through top
Portion 6 and the outside for extending to metal cabinet 1.Phase-change material is arranged on the inside of metal cabinet 1.
In the present embodiment, the outer surface of the bottom 7 of metal cabinet 1 scribbles radiation coating material, the outer surface at top 6 and gold
Belong to the surface of coil pipe 2 covered with heat-insulation layer, filling opening 5 passes the heat-insulation layer.
In the present embodiment, phase-change material fills the inside of the metal cabinet by the filling opening.The present embodiment is utilized
The high latent heat of phase change of the phase-change material plays a part of cold-storage, to buffer because solar refrigeration machine produces chilled water temperature
The fluctuation for the cooling ability for fluctuating and causing.Simultaneously using the characteristic of the constant solidification/melt temperature of the phase-change material, with
The temperature of radiation heat transfer plate surface is controlled near the phase transformation temperature pointses of the phase-change material, and causes whole radiation heat exchange plate
The temperature on surface is uniform, to prevent the temperature of partial radiation heat exchange plate surface from being condensed less than dew-point temperature, and
Improve the uniformity of heat exchange.Added phase-change material is organic phase change material, should meet corrosion-free to metal material, itself nothing
Poison, free from extraneous odour, nonflammable explosive wait requires.
The metal coil pipe 2 of the present embodiment is arranged in series, U-shaped neat arrangement, and be covered with the top 6 of metal cabinet 1
Outer surface.It can simplify structure using the arrangement of series connection, and with the addition of the temperature for the plate surface that exchanged heat after phase-change material more
Uniformly.Metal coil pipe 2 also can be using being arranged in parallel in other embodiments, although it is complex to be arranged in parallel structure, but can
Make the temperature of heat exchange plate surface more uniform.There is the chilled water of flowing in metal coil pipe 2.Metal coil pipe 2 has the He of water inlet 3
Snap joint is respectively connected with delivery port 4, water inlet 3 and delivery port 4.The no projection of the surrounding of the metal cabinet 1 of the present embodiment,
Multiple heat exchange Slab elements can easily piece together a bigger heat exchanger plates.Connected at water inlet 3 and delivery port 4 quick
It can make easily to connect between multiple heat exchange Slab elements after joint, its connected mode can be that series connection is either in parallel.
The filling opening 5 of the present embodiment serves the effect for facilitating filling phase-change material, and facilitates the fluid infusion in later stage.Filling opening
Tapped capping is also equipped with 5, the internal thread is taper pipe thread, taper pipe thread can effectively prevent leakage.
The operation principle of radiation heat exchange plate of the cold-storage cooling integration for solar airconditioning of the present embodiment is：Right
During air-conditioned room cooling, toward metal coil pipe 2 in be passed through the chilled water produced from solar refrigeration machine, cold passes through metal
Coil pipe wall is directly passed to the wall at the top 6 of the metal cabinet 1 against metal coil pipe 2, then passes to phase-change material and plays
The effect of cold-storage, passes to the bottom 7 of metal cabinet 1 finally by phase-change material layers, and the bottom 7 of metal cabinet 1 is outer
Surface is radiated and heat convection with surrounding environment.It can also be discharged when solar airconditioning cooling is not enough by phase-change material
Cold is supplemented.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (9)
1. a kind of radiation heat exchange plate of cold-storage cooling integration for solar airconditioning, it is characterised in that including metal cabinet,
Metal coil pipe, filling opening and phase-change material；The metal cabinet has top and bottom, and the metal coil pipe is arranged on the top
The outer surface in portion is simultaneously in close contact with the outer surface at the top, and the filling opening is located at the middle of the outer surface at the top
Position, the filling opening is through the top and extends to the outside of the metal cabinet；The phase-change material is arranged on institute
State the inside of metal cabinet；There is chilled water of the circulation from solar refrigeration machine in the metal coil pipe；The metal coil pipe
It is covered with the outer surface at the top of the metal cabinet.
2. it is used for the radiation heat exchange plate of the cold-storage cooling integration of solar airconditioning as claimed in claim 1, it is characterised in that
The outer surface of the bottom of the metal cabinet scribbles radiation coating material.
3. it is used for the radiation heat exchange plate of the cold-storage cooling integration of solar airconditioning as claimed in claim 1, it is characterised in that
The outer surface at the top and the surface of the metal coil pipe are covered with heat-insulation layer, and the filling opening passes the heat-insulation layer.
4. it is used for the radiation heat exchange plate of the cold-storage cooling integration of solar airconditioning as claimed in claim 1, it is characterised in that
The phase-change material is full of the inside of the metal cabinet.
5. it is used for the radiation heat exchange plate of the cold-storage cooling integration of solar airconditioning as claimed in claim 1, it is characterised in that
The phase-change material is organic phase change material, the organic phase change material has nontoxic, free from extraneous odour, it is nonflammable explosive the characteristics of,
And it is corrosion-free to metal material.
6. it is used for the radiation heat exchange plate of the cold-storage cooling integration of solar airconditioning as claimed in claim 1, it is characterised in that
The metal coil pipe is arranged for serial or parallel connection.
7. it is used for the radiation heat exchange plate of the cold-storage cooling integration of solar airconditioning as claimed in claim 1, it is characterised in that
The U-shaped neat arrangement of metal coil pipe.
8. it is used for the radiation heat exchange plate of the cold-storage cooling integration of solar airconditioning as claimed in claim 1, it is characterised in that
The metal dish pipe has is respectively connected with snap joint in inlet and outlet, the import and the outlet.
9. it is used for the radiation heat exchange plate of the cold-storage cooling integration of solar airconditioning as claimed in claim 1, it is characterised in that
The filling opening is that tapped capping is also equipped with screwed pipe mouthful, the filling opening, and the internal thread is cone
Pipe screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821020.5A CN104534592B (en) | 2014-12-19 | 2014-12-19 | Radiation heat exchange plate for the cold-storage cooling integration of solar airconditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821020.5A CN104534592B (en) | 2014-12-19 | 2014-12-19 | Radiation heat exchange plate for the cold-storage cooling integration of solar airconditioning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104534592A CN104534592A (en) | 2015-04-22 |
| CN104534592B true CN104534592B (en) | 2017-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410821020.5A Active CN104534592B (en) | 2014-12-19 | 2014-12-19 | Radiation heat exchange plate for the cold-storage cooling integration of solar airconditioning |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848451B (en) * | 2015-05-14 | 2018-03-30 | 北京化工大学 | A kind of indoor solar phase-changing and temperature-regulating system |
| CN105135560B (en) * | 2015-07-28 | 2018-04-20 | 珠海格力电器股份有限公司 | A kind of radiation heat exchange plate module processing method |
| CN106643249A (en) * | 2015-10-30 | 2017-05-10 | 青岛海尔空调器有限总公司 | Radiation air conditioner and heat storage device thereof |
| CN107734931A (en) * | 2017-10-27 | 2018-02-23 | 国家电网公司 | Electrical equipment component cabinet with accurate temperature control and independent humidity control function |
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2014
- 2014-12-19 CN CN201410821020.5A patent/CN104534592B/en active Active
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| CN104534592A (en) | 2015-04-22 |
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