CN106643251A - Phase change heat storage device for energy storage interconnection heat pump system - Google Patents
Phase change heat storage device for energy storage interconnection heat pump system Download PDFInfo
- Publication number
- CN106643251A CN106643251A CN201710104077.7A CN201710104077A CN106643251A CN 106643251 A CN106643251 A CN 106643251A CN 201710104077 A CN201710104077 A CN 201710104077A CN 106643251 A CN106643251 A CN 106643251A
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- China
- Prior art keywords
- heat
- accumulation
- input pipe
- energy
- phase transition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005338 heat storage Methods 0.000 title claims abstract description 34
- 238000004146 energy storage Methods 0.000 title abstract 2
- 238000009825 accumulation Methods 0.000 claims description 50
- 230000001105 regulatory effect Effects 0.000 claims description 23
- 230000007704 transition Effects 0.000 claims description 19
- 238000005485 electric heating Methods 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/028—Control arrangements therefor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a phase change heat storage device for an energy storage interconnection heat pump system. The phase change heat storage device comprises an electric heat pump, a compressor, a first input pipe, a heat storage box, a solar heat exchanger, a second input pipe, an output pipe, a flow return pipe, a heat exchange pipe and an intelligent control host. One end of the heat storage box is connected with the electric heat pump and the solar heat exchanger through the first input pipe and the second input pipe. The other end of the heat storage box communicates with the output pipe and the flow return pipe. The compressor is arranged on the part, between the electric heat pump and the heat storage box, of the first input pipe. According to the phase change heat storage device, through arrangement of the electric heat pump, the compressor and the solar heat exchanger, the heat supply modes can be richened, energy conservation and environment protection are achieved, and usage is convenient. Through arrangement of a plurality of heat storage units and connection pipes, independent or synchronous working of all the heat storage units can be controlled, and the heat storage effect is better. Through arrangement of the intelligent control host, a connection adjusting valve, an input and output adjusting valve and a temperature sensor, the intelligent control degree can be improved.
Description
Technical field
The invention belongs to regenerative apparatus technical field, more particularly to a kind of phase-transition heat-storage that heat pump is interconnected for accumulation of energy
Device.
Background technology
Teat pump boiler typically adopts a water tank, heat exchanger to be positioned in water tank, it is also possible to be positioned over outside water tank,
Also by water pump endless form, the water in water tank is recycled to into refrigerant heat exchanger, coolant-temperature gage is raised, then allow entering water
Case.The temperature of whole water tank is substantially identical.When using water, running water is entered from water tank bottom, and top hot water is ejected, makes
With during, the hot water mixing in bottom cold water and water tank causes water rate low.Also a kind of mode of utilization water tank heat storage
Hot water preparing, there is a heat exchanger inside water tank, running water is walked in heat exchanger tube, and the Water in Water Tank outside pipe passes through heat transfer free convection
Plus hot tap-water.It is that water rate is low using the subject matter of water tank heat storage hot water preparing, water tank takes up space.Ask to solve this
Topic, some companies employ phase-change material to improve the thermal capacity of water tank, using single phase transition temperature, such as 60 DEG C, cause
The condensation temperature of unit is about 63 DEG C or so, and Energy Efficiency Ratio is relatively low, and in the case of 5 DEG C of environment temperature, efficiency only has 2 or so.One
As hot water 60 DEG C are risen to from 10 DEG C, average temperature is 35 DEG C, 40 DEG C of average condensation temperature, in the case of 5 DEG C of environment temperature,
Efficiency has 3.2 or so.But existing phase transition heat accumulation unit is not suitable for accumulation of energy interconnection heat pump, heat exchange performance is poor, supplies
Energy mode is single, the low problem of intelligence degree.
Therefore, invent a kind of phase transition heat accumulation unit for interconnecting heat pump for accumulation of energy and seem very necessary.
The content of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of phase-transition heat-storage dress that heat pump is interconnected for accumulation of energy
Put, to solve existing phase transition heat accumulation unit accumulation of energy interconnection heat pump is not suitable for, heat exchange performance is poor, energy-provision way list
One, the low problem of intelligence degree.A kind of phase transition heat accumulation unit that heat pump is interconnected for accumulation of energy, including electric heating pump, compression
Machine, the first input pipe, heat storage tank, solar heat exchanger, the second input pipe, efferent duct, return duct, heat exchanger tube and Based Intelligent Control master
Machine, described heat storage tank is at one end respectively by the first input pipe and the second input pipe and electric heating pump and solar heat exchanger company
Connect；Described heat storage tank is connected in the other end with described efferent duct and return duct；Described compressor be arranged on electric heating pump and
On the first input pipe between heat storage tank；Described heat storage tank includes pedestal, casing, thermal storage unit and connecting tube, described case
Body is arranged on pedestal；Described thermal storage unit is arranged on the inside of casing；Described heat exchanger tube is through thermal storage unit and casing
Two ends respectively with the first input pipe, the second input pipe and return duct, heat exchanger tube connection.
Described casing adopts hollow galvanized steel plain sheet case；Described box house is also filled with foam heat-insulation layer, is conducive to
Reduce the lost speed of heat storage tank internal heat.
Described thermal storage unit is using multiple；Described thermal storage unit is connected by connecting tube；Described thermal storage unit
Outside is also equipped with foam heat-insulation layer, is advantageously implemented more preferable accumulation of heat effect.
Described thermal storage unit inside is filled with phase change medium；Temperature is additionally provided with described thermal storage unit internal side wall
Sensor, described temperature sensor is electrically connected with intelligent control host, is conducive to flexibly detecting the temperature inside thermal storage unit
Degree information.
Connection regulating valve is provided with described connecting tube, coordinates the setting of temperature sensor, be conducive to flexibly control single
The accumulation of heat gradient of individual thermal storage unit, is further conducive to improving accumulation of heat effect.
It is also equipped with temperature sensor inside described solar heat exchanger, described temperature sensor and Based Intelligent Control master
Machine is electrically connected with, and is conducive to flexibly detecting the temperature information inside solar heat exchanger.
Described heat exchanger tube is S types；Heat exchange fin is provided with the outer wall of described heat exchanger tube, is conducive to increasing heat exchanger tube
With the contact area of thermal storage unit inside phase change medium, heat transfer effect is improved.
The first described input pipe, the second input pipe is provided with input and output regulating valve on efferent duct and return duct.
Described input and output regulating valve and connection regulating valve adopt magnetic valve, described input and output regulating valve and connection
Regulating valve is electrically connected with intelligent control host, is conducive to the folding of intelligent control valve, and high intelligent control degree is higher.
Described intelligent control host adopts micro computer control main frame.
Compared with prior art, the present invention has the advantages that：Because one kind of the present invention is used for accumulation of energy interconnection heat
The phase transition heat accumulation unit of pumping system is widely used in regenerative apparatus technical field.Meanwhile, beneficial effects of the present invention are：
1. electric heating pump of the present invention, the setting of compressor and solar heat exchanger, is conducive to abundant heat-supplying mode, energy-conserving and environment-protective
And it is easy to use.
2. the setting of multiple thermal storage units of the invention and connecting tube, is conducive to controlling the independence of each thermal storage unit or synchronous work
Make, accumulation of heat is better.
3. intelligent control host of the present invention, connects regulating valve, the setting of input and output regulating valve and temperature sensor, favorably
In raising high intelligent control degree.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the heat exchange tube structure schematic diagram of the present invention.
In figure：
1- electric heating pumps, 2- compressors, the input pipes of 3- first, 4- heat storage tanks, 41- pedestals, 42- casings, 43- thermal storage units,
431- temperature sensors, 44- connecting tubes, 441- connection regulating valves, 5- solar heat exchangers, the input pipes of 6- second, 7- efferent ducts,
8- return ducts, 9- heat exchanger tubes, 91- heat exchange fins, 10- intelligent control hosts, 11- input and output regulating valves.
Specific embodiment
The present invention is described further below in conjunction with accompanying drawing：
Embodiment：
As shown in Figures 1 and 2
A kind of phase transition heat accumulation unit that heat pump is interconnected for accumulation of energy of present invention offer, including electric heating pump 1, compressor 2,
First input pipe 3, heat storage tank 4, solar heat exchanger 5, the second input pipe 6, efferent duct 7, return duct 8, heat exchanger tube 9 and intelligence control
Main frame processed 10, described heat storage tank 4 is at one end respectively by the first input pipe 3 and the second input pipe 6 and electric heating pump 1 and solar energy
Heat exchanger 5 connects；Described heat storage tank 4 is connected in the other end with described efferent duct 7 and return duct 8；Described compressor 2 sets
Put on the first input pipe 3 between electric heating pump 1 and heat storage tank 4；Described heat storage tank 4 includes pedestal 41, casing 42, accumulation of heat list
Unit 43 and connecting tube 44, described casing 42 is arranged on pedestal 41；Described thermal storage unit 43 is arranged on the inside of casing 42；
Described heat exchanger tube 9 through thermal storage unit 43 and casing 42 two ends respectively with the first input pipe 3, the second input pipe 6 and backflow
Pipe 8, heat exchanger tube 9 is connected.
Described casing 42 adopts hollow galvanized steel plain sheet case；Foam heat-insulation layer is also filled with inside described casing 42, is had
Beneficial to the lost speed for reducing the internal heat of heat storage tank 4.
Described thermal storage unit 43 is using multiple；Described thermal storage unit 43 is connected by connecting tube 44；Described accumulation of heat
The outside of unit 43 is also equipped with foam heat-insulation layer, is advantageously implemented more preferable accumulation of heat effect.
The described inside of thermal storage unit 43 is filled with phase change medium；It is additionally provided with the described internal side wall of thermal storage unit 43
Temperature sensor 431, described temperature sensor 431 is electrically connected with intelligent control host 10, is conducive to flexibly detecting accumulation of heat
Temperature information inside unit 43.
Connection regulating valve 441 is provided with described connecting tube 44, coordinates the setting of temperature sensor 431, be conducive to spirit
The accumulation of heat gradient for controlling single thermal storage unit 43 living, is further conducive to improving accumulation of heat effect.
It is also equipped with temperature sensor 431 inside described solar heat exchanger 5, described temperature sensor 431 and intelligence
Energy control main frame 10 is electrically connected with, and is conducive to flexibly detecting the temperature information inside solar heat exchanger 5.
Described heat exchanger tube 9 is S types；Heat exchange fin 91 is provided with the outer wall of described heat exchanger tube 9, is conducive to increase to change
Heat pipe 9 and the contact area of the inside phase change medium of thermal storage unit 43, improve heat transfer effect.
The first described input pipe 3, the second input pipe 6 is provided with input and output regulating valve on efferent duct 7 and return duct 8
11。
Described input and output regulating valve 11 and connection regulating valve 441 adopts magnetic valve, described input and output regulating valve
11 and connection regulating valve 441 be electrically connected with intelligent control host 10, be conducive to the folding of intelligent control valve, intelligentized control method
Degree is higher.
Described intelligent control host 10 adopts micro computer control main frame.
Operation principle
This practicality in the course of the work, is coordinated using electric heating pump 1 and compressor 2 or solar heat exchanger 5 is defeated by first
Enter the input pipe 6 of pipe 3 or second into carrying out heat storage in heat storage tank 4, when being used by efferent duct 7, heat exchanger tube 9 and accumulation of heat list
Phase change medium inside unit 43 carries out heat exchange, in use, the real-time detection solar heat exchanger of temperature sensor 431
5 and thermal storage unit 43 inside temperature information and be transferred to intelligent control host 10, intelligent control host 10 adjust connection adjust
The folding of section valve 441 or input and output regulating valve 11, ensures using the effective, smooth of process.
Using technical solutions according to the invention, or those skilled in the art is under the inspiration of technical solution of the present invention,
Similar technical scheme is designed, and reaches above-mentioned technique effect, fall into protection scope of the present invention.
Claims (10)
1. a kind of phase transition heat accumulation unit that heat pump is interconnected for accumulation of energy, it is characterised in that this is used for accumulation of energy interconnection heat pump system
The phase transition heat accumulation unit of system includes electric heating pump (1), compressor (2), the first input pipe (3), heat storage tank (4), solar heat exchanger
(5), the second input pipe (6), efferent duct (7), return duct (8), heat exchanger tube (9) and intelligent control host (10), described accumulation of heat
Case (4) passes through respectively at one end the first input pipe (3) and the second input pipe (6) with electric heating pump (1) and solar heat exchanger (5) even
Connect；Described heat storage tank (4) is connected in the other end with described efferent duct (7) and return duct (8)；Described compressor (2) sets
Put on the first input pipe (3) between electric heating pump (1) and heat storage tank (4)；Described heat storage tank (4) is including pedestal (41), case
Body (42), thermal storage unit (43) and connecting tube (44), described casing (42) is on pedestal (41)；Described thermal storage unit
(43) it is arranged on the inside of casing (42)；Described heat exchanger tube (9) is distinguished through thermal storage unit (43) and casing (42) at two ends
With the first input pipe (3), the second input pipe (6) and return duct (8), heat exchanger tube (9) connection.
2. it is as claimed in claim 1 to be used for the phase transition heat accumulation unit that accumulation of energy interconnects heat pump, it is characterised in that described case
Body (42) is using hollow galvanized steel plain sheet case；Foam heat-insulation layer is also filled with inside described casing (42).
3. it is as claimed in claim 1 to be used for the phase transition heat accumulation unit that accumulation of energy interconnects heat pump, it is characterised in that described storage
Hot cell (43) is using multiple；Described thermal storage unit (43) is connected by connecting tube (44)；Described thermal storage unit (43)
Outside is also equipped with foam heat-insulation layer.
4. as described in claim 1 or 3 for accumulation of energy interconnect heat pump phase transition heat accumulation unit, it is characterised in that it is described
Thermal storage unit (43) inside be filled with phase change medium；TEMP is additionally provided with described thermal storage unit (43) internal side wall
Device (431), described temperature sensor (431) is electrically connected with intelligent control host (10).
5. it is as claimed in claim 1 to be used for the phase transition heat accumulation unit that accumulation of energy interconnects heat pump, it is characterised in that described company
Connection regulating valve (441) is provided with adapter (44).
6. it is as claimed in claim 1 to be used for the phase transition heat accumulation unit that accumulation of energy interconnects heat pump, it is characterised in that it is described too
It is positive to be also equipped with temperature sensor (431) inside heat exchanger (5), described temperature sensor (431) and intelligent control host
(10) it is electrically connected with.
7. it is as claimed in claim 1 to be used for the phase transition heat accumulation unit that accumulation of energy interconnects heat pump, it is characterised in that described changes
Heat pipe (9) is S types；Heat exchange fin (91) is provided with the outer wall of described heat exchanger tube (9).
8. it is as claimed in claim 1 to be used for the phase transition heat accumulation unit that accumulation of energy interconnects heat pump, it is characterised in that described the
Input and output regulating valve (11) is provided with one input pipe (3), the second input pipe (6), efferent duct (7) and return duct (8).
9. as described in claim 1 or 5 or 8 for accumulation of energy interconnect heat pump phase transition heat accumulation unit, it is characterised in that institute
The input and output regulating valve (11) stated and connection regulating valve (441) adopt magnetic valve, described input and output regulating valve (11) and
Connection regulating valve (441) is electrically connected with intelligent control host (10).
10. it is as claimed in claim 1 to be used for the phase transition heat accumulation unit that accumulation of energy interconnects heat pump, it is characterised in that described
Intelligent control host (10) is using micro computer control main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104077.7A CN106643251A (en) | 2017-02-24 | 2017-02-24 | Phase change heat storage device for energy storage interconnection heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104077.7A CN106643251A (en) | 2017-02-24 | 2017-02-24 | Phase change heat storage device for energy storage interconnection heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106643251A true CN106643251A (en) | 2017-05-10 |
Family
ID=58848287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710104077.7A Pending CN106643251A (en) | 2017-02-24 | 2017-02-24 | Phase change heat storage device for energy storage interconnection heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106643251A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654735A (en) * | 2018-11-27 | 2019-04-19 | 东南大学 | A kind of phase transition heat accumulation unit |
| WO2020021288A1 (en) * | 2018-07-27 | 2020-01-30 | Sunamp Limited | Internally heated phase change material heat batteries |
| CN111174357A (en) * | 2020-02-25 | 2020-05-19 | 广东志高暖通设备股份有限公司 | Unit type phase change heat storage system |
| CN111237844A (en) * | 2020-01-19 | 2020-06-05 | 东南大学 | Large-temperature-difference cold and heat accumulation system combining energy accumulation and heat pump |
| RU2783613C2 (en) * | 2018-07-27 | 2022-11-15 | Санамп Лимитед | Heat batteries heated from inside with phase transition material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58193090A (en) * | 1982-04-09 | 1983-11-10 | モンサント・コンパニ− | Storage system of thermal energy |
| CN101236013A (en) * | 2008-03-07 | 2008-08-06 | 南京师范大学 | Multiple source heat collection /energy accumulation/ evaporation integrated heat pump hot-water system |
| CN203052803U (en) * | 2012-12-27 | 2013-07-10 | 陕西盛田能源服务有限公司 | Hot water heating system with heat accumulation achieved by combination of ground-source heat pump and solar energy |
| US20140060046A1 (en) * | 2012-08-31 | 2014-03-06 | Hitachi, Ltd | Thermal Storage System and Power Generation System Including the Same |
| CN105783278A (en) * | 2016-04-20 | 2016-07-20 | 太原理工大学 | Fluorine pump and heat pump composite heat-accumulation type direct expansion type solar water heating system |
| CN206459548U (en) * | 2017-02-24 | 2017-09-01 | 山东方亚地源热泵空调技术有限公司 | A kind of phase transition heat accumulation unit that heat pump is interconnected for accumulation of energy |
-
2017
- 2017-02-24 CN CN201710104077.7A patent/CN106643251A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58193090A (en) * | 1982-04-09 | 1983-11-10 | モンサント・コンパニ− | Storage system of thermal energy |
| CN101236013A (en) * | 2008-03-07 | 2008-08-06 | 南京师范大学 | Multiple source heat collection /energy accumulation/ evaporation integrated heat pump hot-water system |
| US20140060046A1 (en) * | 2012-08-31 | 2014-03-06 | Hitachi, Ltd | Thermal Storage System and Power Generation System Including the Same |
| CN203052803U (en) * | 2012-12-27 | 2013-07-10 | 陕西盛田能源服务有限公司 | Hot water heating system with heat accumulation achieved by combination of ground-source heat pump and solar energy |
| CN105783278A (en) * | 2016-04-20 | 2016-07-20 | 太原理工大学 | Fluorine pump and heat pump composite heat-accumulation type direct expansion type solar water heating system |
| CN206459548U (en) * | 2017-02-24 | 2017-09-01 | 山东方亚地源热泵空调技术有限公司 | A kind of phase transition heat accumulation unit that heat pump is interconnected for accumulation of energy |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020021288A1 (en) * | 2018-07-27 | 2020-01-30 | Sunamp Limited | Internally heated phase change material heat batteries |
| RU2783613C2 (en) * | 2018-07-27 | 2022-11-15 | Санамп Лимитед | Heat batteries heated from inside with phase transition material |
| CN109654735A (en) * | 2018-11-27 | 2019-04-19 | 东南大学 | A kind of phase transition heat accumulation unit |
| CN111237844A (en) * | 2020-01-19 | 2020-06-05 | 东南大学 | Large-temperature-difference cold and heat accumulation system combining energy accumulation and heat pump |
| CN111174357A (en) * | 2020-02-25 | 2020-05-19 | 广东志高暖通设备股份有限公司 | Unit type phase change heat storage system |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |