CN209558977U - A kind of efficient heat energy storage device - Google Patents
A kind of efficient heat energy storage device Download PDFInfo
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- CN209558977U CN209558977U CN201821923727.7U CN201821923727U CN209558977U CN 209558977 U CN209558977 U CN 209558977U CN 201821923727 U CN201821923727 U CN 201821923727U CN 209558977 U CN209558977 U CN 209558977U
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- 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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Abstract
The utility model provides a kind of efficient heat energy storage device, comprising: first shell, energy-storage units and heat-exchange working medium；The energy-storage units and the heat-exchange working medium are filled in the first shell；The energy-storage units include: second shell and phase-change material, and the phase-change material is wrapped in the second shell.The utility model is built in shell by the way that energy-storage units are made in phase-change material, can make to possess high heat exchange area and low thermal contact resistance between phase-change material and heat-exchange working medium, can be realized the gentle slow play heat of high effective heat-storage.
Description
Technical field
The utility model relates to hot technical field of energy storage more particularly to a kind of efficient heat energy storage devices.
Background technique
In the existing various energy, thermal energy is to be most widely used, and there are one of most commonly used energy.But thermal energy itself
Low-grade and thermal energy storage technology backwardness, also make thermal energy become waste the most serious, the utilization energy the most inefficient
One of.
In existing thermal energy storage technology, using phase-change material as the carrier of thermal energy storage, using the characteristic of material itself,
Latent heat of phase change is converted by sensible heat, is the effective ways of mass storage heat.But often thermal coefficient is low for common phase-change material, such as
It is paraffin thermal coefficient about only 0.3W/ (mk).Too low low thermal conductivity results in the slow of thermal energy storage speed, greatly
Limit the application of phase-change material.
Heat pipe becomes circulation by the vapour of the heat transfer medium of hollow inside, liquid phase, makes it have the capacity of heat transmission of superelevation, with
The metal phases such as silver, copper, aluminium ratio, the heat pipe of Unit Weight can transmit the heat of several orders of magnitude more.By phase-change material and heat pipe knot
Close, setting up energy-storage system is the effective method of improvement thermal energy storage speed, but heat pipe itself with phase-change material is limited connects
Contacting surface product still constrains energy storage efficiency and is further promoted.
Utility model content
The utility model discloses a kind of efficient heat energy storage devices, can be improved energy storage efficiency and realize slow heat release.
The utility model provides a kind of efficient heat energy storage device, comprising: first shell, energy-storage units and heat exchange work
Matter；
The energy-storage units and the heat-exchange working medium are filled in the first shell；
The energy-storage units include: second shell and phase-change material, and the phase-change material is wrapped in the second shell
In.
Preferably, the efficient heat energy storage device includes the energy-storage units of at least two types, each type of
It is equipped with a kind of phase-change material in the energy-storage units are corresponding, every kind of phase-change material has corresponding phase transition temperature.
Preferably, the phase-change material is the material of solid-liquid phase change.
Preferably, the second shell is cuboid or spheroid or sphere.
Preferably, the fusion temperature of the second shell is higher than the maximum operating temperature of the efficient heat energy storage device.
It preferably, is liquid under the heat-exchange working medium normal temperature and pressure, the value range of boiling point is -60 DEG C~300 DEG C.
Preferably, the heat-exchange working medium is 0~80% in the value range of the intracorporal filling rate of the first shell.
Preferably, the first shell is cuboid or sphere or cylindrical body.
Preferably, fin is fixedly connected on the outer surface of the first shell.
Preferably, the inner cavity of the first shell is vacuum state.
As can be seen from the above technical solutions, the utility model embodiment has the advantage that
The utility model provides a kind of efficient heat energy storage device, comprising: first shell, energy-storage units and heat exchange work
Matter；The energy-storage units and the heat-exchange working medium are filled in the first shell；The energy-storage units include: second shell and
Phase-change material, the phase-change material are wrapped in the second shell.The utility model is by being made energy storage for phase-change material
Unit is built in shell, can be made to possess between phase-change material and heat-exchange working medium high heat exchange area and low be connect
Thermal resistance is touched, can be realized the gentle slow play heat of high effective heat-storage.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is that a kind of structure of one embodiment of the efficient heat energy storage device provided in the utility model embodiment is shown
It is intended to；
Fig. 2 is the structural schematic diagram of energy-storage units；
Fig. 3 is a kind of schematic diagram of second application scenarios of efficient heat energy storage device provided by the utility model.
Specific embodiment
The utility model embodiment discloses a kind of efficient heat energy storage device, can be improved energy storage efficiency and realizes slow
Heat release.
Please refer to Fig. 1 and Fig. 2, a kind of one embodiment of efficient heat energy storage device provided by the utility model, comprising:
First shell 1, energy-storage units 2 and heat-exchange working medium 3；
First shell 1 is a sealing structure, internal to be filled with energy-storage units 2 and heat-exchange working medium 3；
Energy-storage units 2 include: second shell 21 and phase-change material 22, and phase-change material 22 is wrapped in second shell 21.
It is understood that first shell 1 and heat-exchange working medium 3 constitute heat pipe, energy-storage units 2 are built in above-mentioned by the utility model
Inside heat pipe, and there are gaps between each other for each energy-storage units 2, the runner 8 as heat-exchange working medium, and then hot tube high-efficiency is led
The principle of heat and the attribute of phase-change material itself have carried out depth integration.
The utility model is built in first shell 1 by the way that energy-storage units 2 are made in phase-change material 22, can make phase transformation
Possess high heat exchange area and low thermal contact resistance between material 22 and heat-exchange working medium 3, can be realized high effective heat-storage and
Slow heat release.
Further, efficient heat energy storage device includes the energy-storage units 2 of at least two types, each type of energy storage
It is equipped with a kind of phase-change material 22 in unit 2 is corresponding, every kind of phase-change material 22 has corresponding phase transition temperature, therefore can pass through tune
Type and proportion between whole energy-storage units 2, and then the multiphase temperature that can be realized during thermal energy storage and release is deposited
Storage and release, and accurately control the size of the latent heat of phase change of each phase transition temperature.
Further, phase-change material 22 can be the material of solid-liquid phase change.
Further, the shape of second shell 21 can be configured according to actual needs, generally rectangular body or ellipse
Sphere or sphere.
Further, in order to improve the performance of entire efficient heat energy storage device, the fusion temperature of second shell 21 is logical
Often it is higher than the maximum operating temperature of efficient heat energy storage device.
It further, is liquid under 3 normal temperature and pressure of heat-exchange working medium, the value range of boiling point is -60 DEG C~300 DEG C.
Further, in order to realize that preferably heat-transfer effect, filling rate of the heat-exchange working medium 3 in first shell 1 take
Value may range from 0~80%.
Further, the shape of first shell 1 can be configured according to actual needs, generally rectangular body or sphere
Or cylindrical body.
Further, it is fixedly connected with fin on the outer surface of first shell 1, for further strengthening heat transfer.
Further, the inner cavity of first shell 1 is vacuum state.At room temperature, cavity pressure arrives 102kPa between 0
Between.
The utility model is directed to phase-change material thermal coefficient lower limit thermal energy storage system heat accumulation efficiency, by heat pipe original
Reason provides a kind of efficient heat energy storage device with multiphase temperature, which deposits in conjunction with phase-change material depth
Storage device has high effective heat-storage, and slow heat release, structure is simple, Maintenance free, easily controllable compared to temperature, latent heat of phase change etc. a variety of
Advantage.
To have below with two concrete application scenes to a kind of efficient heat energy storage device provided by the utility model
Body explanation:
Scene one, please refers to Fig. 1 and Fig. 2, and a kind of efficient heat energy storage device provided by the utility model uses rectangular
First shell 1, with two kinds of energy-storage units 2 (one of which be in the biggish sphere shape of specification, another kind be in the lesser sphere of specification
Shape).Its with high effective heat-storage, the advantages that slow heat release, structure is simple, Maintenance free outside, also there are 2 phase transformation temperature points and 2
A corresponding latent heat of phase change, latent heat of phase change are related with two kinds of 2 quality proportionings of energy-storage units.
It include: first shell 1, heat-exchange working medium 3, energy-storage units 2 in efficient heat energy storage device provided by the utility model.
Heat-exchange working medium 3 and two kind of energy-storage units 2, are built in first shell 1.First shell 1, shape are rectangular.Heat-exchange working medium 3
It is at normal temperatures and pressures liquid, boiling point is in 56.5 DEG C, liquid filled ratio accounting 30%.
Energy-storage units 2, including second shell 21, phase-change material 22.The shape of two kinds of energy-storage units 2 is all spherical, difference
It is that the diameter of two kinds of energy-storage units 2 is variant, 22 transformation temperature of coating phase-change materials is also different from the latent heat of fusion.One of which storage
It is 45 DEG C that energy 2 coating phase-change materials 22 of unit, which are phase transition temperature, and another 2 coating phase-change materials 22 of energy-storage units are phase transition temperature
It is 50 DEG C.
Second shell 21 wraps up the phase-change material 22, for leaking after preventing phase-change material 22 from melting.Second shell
21 materials are aluminium alloy.
Scene two, referring to Fig. 3, a kind of efficient heat energy storage device provided by the utility model, device housing 4 is cylinder
Shape.Heat-exchange working medium boiling point used is higher, and boiling point is 100 DEG C under normal temperature and pressure.First energy-storage units 5 used, the second energy storage
Unit 6 and third energy-storage units 7, phase transition temperature, geomery and material mixture ratio are different.There is multiphase described in this scene
The efficient heat energy storage device of temperature has 3 phase transformation temperature points and 3 corresponding latent heats of phase change, latent heat of phase change and the
One energy-storage units 5, second energy-storage units 6 are related with 7 quality proportioning of third energy-storage units.
Efficient heat energy storage device described in the utility model with multiphase temperature has phase-change material and heat-exchange working medium
There are high heat exchange area and low thermal contact resistance, and by adjusting the energy-storage units of different phase transition temperatures proportion, i.e.,
There can be multiple phase transition temperatures and accurately control the latent heat of phase change that different phase transition temperatures absorb.It slowly puts with high effective heat-storage
Heat, structure is simple, Maintenance free, a variety of advantages such as easily controllable compared to temperature, latent heat of phase change.
A kind of efficient heat energy storage device provided by the utility model is described in detail above, for this field
Those skilled in the art have and change in specific embodiments and applications based on the idea of the embodiment of the present invention
Become place, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. a kind of efficient heat energy storage device characterized by comprising first shell, energy-storage units and heat-exchange working medium；
The energy-storage units and the heat-exchange working medium are filled in the first shell；
The energy-storage units include: second shell and phase-change material, and the phase-change material is wrapped in the second shell；
The efficient heat energy storage device includes the energy-storage units of at least two types, each type of energy-storage units
A kind of phase-change material is equipped in corresponding, every kind of phase-change material has corresponding phase transition temperature.
2. efficient heat energy storage device according to claim 1, which is characterized in that the phase-change material is solid-liquid phase change
Material.
3. efficient heat energy storage device according to claim 2, which is characterized in that the second shell is cuboid or ellipse
Sphere or sphere.
4. efficient heat energy storage device according to claim 3, which is characterized in that the fusion temperature of the second shell is high
In the maximum operating temperature of the efficient heat energy storage device.
5. efficient heat energy storage device according to claim 1, which is characterized in that be under the heat-exchange working medium normal temperature and pressure
Liquid, the value range of boiling point are -60 DEG C~300 DEG C.
6. efficient heat energy storage device according to claim 5, which is characterized in that the heat-exchange working medium is in the first shell
The value range of intracorporal filling rate is 0~80%.
7. efficient heat energy storage device according to claim 1, which is characterized in that the first shell is cuboid or ball
Body or cylindrical body.
8. efficient heat energy storage device according to claim 7, which is characterized in that solid on the outer surface of the first shell
Surely it is connected with fin.
9. efficient heat energy storage device according to claim 8, which is characterized in that the inner cavity of the first shell is vacuum
State.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821923727.7U CN209558977U (en) | 2018-11-21 | 2018-11-21 | A kind of efficient heat energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821923727.7U CN209558977U (en) | 2018-11-21 | 2018-11-21 | A kind of efficient heat energy storage device |
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| Publication Number | Publication Date |
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| CN209558977U true CN209558977U (en) | 2019-10-29 |
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| CN201821923727.7U Expired - Fee Related CN209558977U (en) | 2018-11-21 | 2018-11-21 | A kind of efficient heat energy storage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341397A (en) * | 2018-11-21 | 2019-02-15 | 广东工业大学 | A kind of efficient heat energy storage device |
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2018
- 2018-11-21 CN CN201821923727.7U patent/CN209558977U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341397A (en) * | 2018-11-21 | 2019-02-15 | 广东工业大学 | A kind of efficient heat energy storage device |
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Granted publication date: 20191029 Termination date: 20201121 |