CN205957480U - Be equipped with high density phase transition heat -storing unit's carbon dioxide heat pump device - Google Patents
Be equipped with high density phase transition heat -storing unit's carbon dioxide heat pump device Download PDFInfo
- Publication number
- CN205957480U CN205957480U CN201620918327.1U CN201620918327U CN205957480U CN 205957480 U CN205957480 U CN 205957480U CN 201620918327 U CN201620918327 U CN 201620918327U CN 205957480 U CN205957480 U CN 205957480U
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- Prior art keywords
- carbon dioxide
- heat
- high density
- heat pump
- electric
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a be equipped with high density phase transition heat -storing unit's carbon dioxide heat pump device, including carbon dioxide heat pump, carbon dioxide heat pump advances a water piping connection electric T -shaped valve, and an electric T -shaped valve bypass pipe is connected in the tee bend of carbon dioxide heat pump outlet pipe, connects the 2nd electric T -shaped valve after the tee bend of carbon dioxide heat pump outlet pipe, and the 2nd electric T -shaped valve bypass pipe is connected on high density phase transition heat -storing unit's inlet tube, and high density phase transition heat -storing unit's play water piping connection is in the tee bend of heat pump outlet pipe, and electric T -shaped valve is controlled by carbon dioxide heat pump 3, the utility model discloses install usable high density phase transition heat -storing unit, when outdoor temperature is higher, on one side time storage heat pump produced to system's heat supply excess heat, when outdoor temperature is very low, close the heat confession system use that the heat pump releases the storage simultaneously to the thermal system is assisted to corresponding cancellation electricity, and through the control unit's control, the at utmost improves carbon dioxide heat pump's work coefficient of performance, and lowering system electric power configuration capacity.
Description
Technical field
This utility model is related to a kind of carbon dioxide heat pump device and in particular to a kind of be equipped with high density phase change heat storage units
Carbon dioxide heat pump device.
Background technology
In recent years, carbon dioxide heat-pump Hot water units at home and abroad achieve significant progress, different from general CFC heat pump
Hot water units, carbon dioxide heat-pump Hot water units can produce high-temperature-hot-water in the case of relatively low temperature, and has compared with CFC heat pump
The higher coefficient of performance, its natural refrigerant carbon dioxide is nontoxic, non-combustible, ozone layer destroying index ODP is 0, global warming potential
GWP is 1, is one of most potential natural medium in heat pump refrigerant substitute.Although carbon dioxide heat pump system can be
Produce the higher hot water of temperature under low temperature, but the coefficient of performance now has had and more significantly fails, thus need configuration electricity
Concurrent heating system is meeting the use under extreme weather；And outdoor temperature higher when, heating load is less, and to lead to heat pump to be not required to full
Load operation, and certain using is brought for the limited place of distribution capacity according to extreme weather configuration heat pump and limits
System.
Thermal energy storage is the important branch in energy science and technology, and thermal energy storage includes sensible heat storage and latent heat storage again,
Sensible heat storage is to be carried out using the intrinsic thermal capacitance of material；Latent heat storage is also called phase change memory, is the thing using phase-change material
During qualitative change (solid-liquid, solid-solid or solution-air), absorb or release a large amount of latent heat and carry out, small-sized phase-change heat accumulation unit at present
Also gradually developing.
Content of the invention
For the problem overcoming above-mentioned prior art to exist, the purpose of this utility model is to provide a kind of outfit high density
The carbon dioxide heat pump device of phase-change heat accumulation unit, this device can be higher and produce simultaneously when heating load is relatively low in outdoor temperature
The heat being stored is discharged by storing heat when the outdoor temperature very low grade fever efficiency of pump declines a lot, cancels electric auxiliary thermal, rises
To the service behaviour coefficient of carbon dioxide heat-pump to the effect of the peak load shifting of heating load, can be improved and reduce electric power and join
Put capacity.
In order to achieve the above object, this utility model adopts the following technical scheme that：
A kind of carbon dioxide heat pump device being equipped with high density phase change heat storage units, including carbon dioxide heat-pump 1, titanium dioxide
First electric T-shaped valve 4a is connected on carbon heat pump 1 water inlet pipe, the first electric T-shaped valve 4a bypass pipe is connected to carbon dioxide heat-pump
In outlet pipe threeway, connect the second electric T-shaped valve 4b after carbon dioxide heat-pump outlet pipe threeway, by the second electric T-shaped valve 4b
Siphunculus is connected on the water inlet pipe of high density phase change heat storage units 2, and the outlet pipe of high density phase change heat storage units 2 is connected to dioxy
Change in carbon heat pump outlet pipe threeway, described first electric T-shaped valve 4a and the second electric T-shaped valve 4b is all connected with control unit 3 simultaneously
Controlled unit 3 controls, and described control unit 3 contains two temperature sensors, and one in high density phase change heat storage units 2
Portion, another is located outside, and detects outdoor temperature. and the cold-producing medium of described carbon dioxide heat-pump 1 is carbon dioxide.
The heat accumulating of described high density phase change heat storage units 2 is hyperpyrexia metric density, high stability, inorganic nano combined phase
Become material, there is fast endothermic exothermic character.
The heat accumulating phase transition temperature of described high density phase change heat storage units 2 is 70-80 DEG C.
Described electric T-shaped valve 4 is L-type port three-way valve, responsible medium flow direction switching.
Compared with existing carbon dioxide heat-pump Hot water units, this utility model has the advantage that：
1st, compared with existing carbon dioxide heat-pump Hot water units, unit runs when outdoor temperature is higher, and the coefficient of performance obtains
To improving, heat part will be produced and be stored in high density phase change heat storage units, when outdoor temperature is very low, heat pump will stop fortune
OK, system operation, such carbon dioxide heat-pump most of the time are maintained by discharging the heat in high density phase change heat storage units
All it is operated in the coefficient of performance higher period, produces that identical heat consumption electric energy is less, energy-saving takes effect is significant.
2nd, compared with existing carbon dioxide heat-pump Hot water units, cancel electric auxiliary thermal, the substitute is high density phase
Become heat storage units, this heat storage units has the characteristics such as hyperpyrexia metric density, fast endothermic heat release, in the extremely low situation of outdoor temperature
Under, system use requirement can be met with quick release storing heat, and in the past auxiliary for meeting the electricity of extreme weather conditions configuration
The distribution power of thermal greatly although use time is limited, but takies substantial amounts of electrical arrangement capacity, change the outfit high density phase change very
After heat storage units, electrical arrangement capacity will be made to reduce and limit, so as to no longer become, the bottleneck that heat pump uses.
Brief description
Fig. 1 is the structural representation of this utility model device.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
As shown in figure 1, this utility model provides a kind of carbon dioxide heat pump device being equipped with high density phase change heat storage units,
Including carbon dioxide heat-pump 1, the first electric T-shaped valve 4a, the first electric T-shaped valve 4a that carbon dioxide heat-pump water inlet pipe connects
Bypass pipe is connected in carbon dioxide heat-pump outlet pipe threeway, connects the second electric three passes after carbon dioxide heat-pump outlet pipe threeway
Valve 4b, the second electric T-shaped valve 4b bypass pipe is connected on the water inlet pipe of high density phase change heat storage units 2, high density phase change heat accumulation
The outlet pipe of unit 2 is connected in carbon dioxide heat-pump outlet pipe threeway, described first electric T-shaped valve 4a and second electronic three
Port valve 4b is all connected with control unit 3 and controlled unit 3 controls, and the cold-producing medium of described carbon dioxide heat-pump 1 is carbon dioxide.
As preferred implementation of the present utility model, the heat accumulating of described high density phase change heat storage units 2 is hyperpyrexia
Metric density, high stability, inorganic nano combined phase-change material, this material has fast endothermic exothermic character.
As preferred implementation of the present utility model, the heat accumulating phase alternating temperature of described high density phase change heat storage units 2
Spend for 70-80 DEG C.
As preferred implementation of the present utility model, described electric T-shaped valve 4 is L-type port three-way valve, responsible medium
Flow direction switching.
Operation principle of the present utility model is to absorb heat pump on daytime using high density phase change heat storage units to produce waste heat
Stored, and in night release institute storing heat, this plant running state is divided into 3 kinds：(1) carbon dioxide heat-pump individually supplies
Heat；(2) the independent heat supply of high density phase change heat storage units；(3) to high density phase change heat accumulation list while carbon dioxide heat-pump heat supply
Unit carries out accumulation of heat.During running status (1), the first electric T-shaped valve 4a and the second electric T-shaped valve 4b are pass-through state, heat supply
System return is confessed after heat pump, to system heat supply；During running status (2), the first electric T-shaped valve 4a and second electricity
Dynamic three-way valve 4b is bypass state, and heating system backwater is confessed after the heating of high density phase change heat storage units, and system is supplied
Heat；During running status (3), the first electric T-shaped valve 4a is pass-through state, and the second electric T-shaped valve 4b is bypass state, heat supply system
System backwater, after carbon dioxide heat-pump heating, is first confessed to after high density phase change heat storage units heat release, to system heat supply again.Control
Unit processed contains two temperature sensors, one inside heat storage units, by detect high density phase change heat storage units in temperature
It is known that the heat accumulation situation of high density phase change heat storage units, another is located outside, and detects outdoor temperature.Work as outdoor temperature
When >=-10 DEG C (can set) and high density phase change heat storage units accumulation of heat do not complete, now run according to state (3), work as high density
Phase-change heat accumulation unit completes to run according to state (1) during accumulation of heat；When outdoor temperature (can set in -10 DEG C (can set) and -20 DEG C
When between calmly), it is first according to state (2) and runs, run according still further to state (1) when heat storage units consume 50%；In outdoor temp
During degree≤- 20 DEG C (can set), according to running according to state (2) until storing heat exhausts, run according still further to state (1).Its
Two setting values of middle outdoor temperature can be configured according to different regions different time, and setting standard is diel high density phase
Become heat storage units and complete a heat accumulation exothermic process.By to heating load peak load shifting, thus improving performance coefficient of heat pump
And reduce electrical arrangement capacity.
Claims (5)
1. a kind of be equipped with high density phase change heat storage units carbon dioxide heat pump device it is characterised in that：Including carbon dioxide heat
Pump (1), carbon dioxide heat-pump (1) water inlet pipe connects the first electric T-shaped valve (4a), the first electric T-shaped valve (4a) bypass pipe
It is connected in carbon dioxide heat-pump outlet pipe threeway, after carbon dioxide heat-pump outlet pipe threeway, connect the second electric T-shaped valve
(4b), the second electric T-shaped valve (4b) bypass pipe is connected on the water inlet pipe of high density phase change heat storage units (2), high density phase change
The outlet pipe of heat storage units (2) is connected in carbon dioxide heat-pump outlet pipe threeway, described first electric T-shaped valve (4a) and
Two electric T-shaped valves (4b) are all connected with control unit (3) and controlled unit (3) controls, and described control unit (3) contains two
Temperature sensor, one internal in high density phase change heat storage units (2), and another is located outside, and detects outdoor temperature；Described two
The cold-producing medium of carbonoxide heat pump (1) is carbon dioxide.
2. a kind of carbon dioxide heat pump device being equipped with high density phase change heat storage units according to claim 1, its feature
It is：The heat accumulating of described high density phase change heat storage units (2) is hyperpyrexia metric density, high stability, inorganic nano combined phase
Become material, there is fast endothermic exothermic character.
3. a kind of carbon dioxide heat pump device being equipped with high density phase change heat storage units according to claim 1, its feature
It is：The heat accumulating phase transition temperature of described high density phase change heat storage units (2) is 70-80 DEG C.
4. a kind of carbon dioxide heat pump device being equipped with high density phase change heat storage units according to claim 1, its feature
It is：Control unit (3) is PLC.
5. a kind of carbon dioxide heat pump device being equipped with high density phase change heat storage units according to claim 1, its feature
It is：Electric T-shaped valve (4) is L-type port three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918327.1U CN205957480U (en) | 2016-08-22 | 2016-08-22 | Be equipped with high density phase transition heat -storing unit's carbon dioxide heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918327.1U CN205957480U (en) | 2016-08-22 | 2016-08-22 | Be equipped with high density phase transition heat -storing unit's carbon dioxide heat pump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205957480U true CN205957480U (en) | 2017-02-15 |
Family
ID=57976735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620918327.1U Expired - Fee Related CN205957480U (en) | 2016-08-22 | 2016-08-22 | Be equipped with high density phase transition heat -storing unit's carbon dioxide heat pump device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205957480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708509A (en) * | 2019-01-08 | 2019-05-03 | 青岛启星宇能源管理有限公司 | A kind of high efficiency energy storage system |
-
2016
- 2016-08-22 CN CN201620918327.1U patent/CN205957480U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708509A (en) * | 2019-01-08 | 2019-05-03 | 青岛启星宇能源管理有限公司 | A kind of high efficiency energy storage system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20180822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |