CN108458429A - Refrigeration energy-storage system and the control method for the energy-storage system that freezes - Google Patents
Refrigeration energy-storage system and the control method for the energy-storage system that freezes Download PDFInfo
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- CN108458429A CN108458429A CN201810121944.2A CN201810121944A CN108458429A CN 108458429 A CN108458429 A CN 108458429A CN 201810121944 A CN201810121944 A CN 201810121944A CN 108458429 A CN108458429 A CN 108458429A
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- accumulator
- refrigerant
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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
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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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- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The embodiment of the present application discloses refrigeration energy-storage system and the control method for the energy-storage system that freezes.One specific implementation mode of the refrigeration energy-storage system includes：Freeze energy storage device and control device, freeze energy storage device and control device communication connection；The energy storage device that freezes includes refrigerator, accumulator, refrigerant delivery pipe and control valve group；Refrigerator is for providing cold；Accumulator is connected by refrigerant delivery pipe with refrigerator, for storing cold or providing cold；The working condition of accumulator includes：Energy storage state lets cool state and lets cool state offline online；Control valve group is set in refrigerant delivery pipe；Control device is for controlling control valve group to switch the working condition of accumulator.This embodiment improves the reliability of refrigeration energy-storage system and flexibilities.
Description
Technical field
The invention relates to data center's technical fields, and in particular to refrigeration and cold accumulation technical field, more particularly to system
Cold energy-storage system and control method for the energy-storage system that freezes.
Background technology
With the rise of cloud computing, Internet of Things and artificial intelligence, the analysis of mass data proposes network bandwidth with storage
Huge challenge, the correlation predictive issued by IDC (Internet Data Center, Internet data center) show to arrive
2018,50% Internet of Things network will face the limitation of network bandwidth, and 40% data need at the analysis of network edge side, place
Reason and storage.And the birth of edge calculations is exactly this in order to solve the problems, such as that Internet of Things network is faced, edge calculations are brought
Faster transmission speed and response speed, while the missed areas of traditional cloud computing is utilized in edge calculations, productivity ratio is more
It is cost-effective.
At the same time, edge calculations also proposed data center infrastructures new requirement and challenge, how solve number
According to the refrigeration energy storage problem at center, it is of great significance to the development of edge computing technique.
Invention content
The embodiment of the present application proposes refrigeration energy-storage system and the control method for the energy-storage system that freezes.
In a first aspect, the embodiment of the present application provides a kind of refrigeration energy-storage system, including refrigeration energy storage device and control are set
It is standby, freeze energy storage device and control device communication connection；Refrigeration energy storage device include refrigerator, accumulator, refrigerant delivery pipe and
Control valve group；Refrigerator is for providing cold；Accumulator is connected by refrigerant delivery pipe with refrigerator, for store cold or
Person provides cold；The working condition of accumulator includes：Energy storage state lets cool state and lets cool state offline online, wherein online
State is let cool to provide the state of cold when powering normal, lets cool state offline to provide the shape of cold in abnormal electrical power supply
State；Control valve group is set in refrigerant delivery pipe；Control device is for controlling control valve group to switch the work of accumulator
State.
In some embodiments, refrigerant delivery pipe includes for cold by the first of refrigerant importing refrigerator and/or accumulator
Matchmaker's inlet tube, for by refrigerant derived from refrigerator the first refrigerant exit pipe, for refrigerant to be imported the second cold of accumulator
Matchmaker's inlet tube, for by refrigerant derived from accumulator the second refrigerant exit pipe with for being connected to the first refrigerant inlet pipe and first
The communicating pipe of refrigerant exit pipe.
In some embodiments, control valve group includes the imported valve of accumulator, the outlet valve of accumulator and disengaging
Bypath valve；The imported valve of accumulator is set on the first refrigerant inlet pipe, and imported valve includes that an import and two go out
Mouthful, wherein two outlets are respectively first outlet and second outlet, and first outlet is connected with the second refrigerant inlet pipe, and being used for will
Refrigerant imports accumulator, and second outlet is used to refrigerant importing refrigerator；The outlet valve of accumulator be set to the first refrigerant into
On mouthful pipe, outlet valve includes two imports and one outlet, wherein and two imports are respectively the first import and the second import,
For importing the refrigerant flowed out from the imported valve of accumulator, the second import is connected with the second refrigerant exit pipe for first import,
For importing the refrigerant flowed out from accumulator；Disengaging bypath valve was set on communicating pipe.
In some embodiments, control valve group further includes cold medium flux control valve；Cold medium flux control valve is arranged
In on the first refrigerant exit pipe, it to be used for the flow of the aperture regulation refrigerant by control valve.
In some embodiments, accumulator includes at least one formed energy-storage units being packaged by phase-change material.
In some embodiments, refrigeration energy storage device includes power supply unit.
In some embodiments, refrigeration energy storage device is set in cabinet, and cabinet includes electronic equipment.
In some embodiments, refrigeration energy-storage system further includes monitor；Monitor is for monitoring to the energy storage device that freezes
Flow of the working condition, refrigerant for the power supply unit being powered in refrigerant delivery pipe, the temperature of refrigerant when flowing into refrigerator,
The temperature of refrigerant and current value and voltage value when to power electronic equipment when flowing out refrigerator.
Second aspect, this application provides a kind of control method for the energy-storage system that freezes, in the energy-storage system that freezes
Refrigeration energy storage device is set in cabinet, and cabinet further includes electronic equipment, and this method includes：Control device obtains power supply unit
The use cold of the refrigerating capacity of refrigerator and electronic equipment in working condition, refrigeration energy storage device, wherein refrigerating capacity is refrigeration energy storage
In equipment in refrigerant delivery pipe the flow of refrigerant with disengaging refrigerator refrigerant the temperature difference product, with cold be to electronic equipment
The product of the current value and voltage value that are powered, power supply unit are powered refrigeration energy storage device；Based on power supply unit
The use cold of working condition, the refrigerating capacity of refrigerator and electronic equipment, controls the control valve group in refrigeration energy storage device
System is to adjust the working condition of accumulator in refrigeration energy storage device.
In some embodiments, control valve group includes the imported valve of accumulator, the outlet valve of accumulator, refrigerant stream
Adjustable valve door and disengaging bypath valve, the outlet valve of accumulator includes the first import and the second import, and the first import is used for
The refrigerant flowed out from the imported valve of accumulator is imported, the second import is for importing the refrigerant flowed out from accumulator；And
The refrigerating capacity of working condition, refrigerator based on power supply unit and the use cold of electronic equipment, to the control in refrigeration energy storage device
Valve group processed is controlled to adjust the working condition of accumulator in refrigeration energy storage device, including：In response to determining that power supply is set
Standby working condition is normal condition, further determines whether to meet the following conditions：The refrigerating capacity of refrigerator is more than or equal to electronics
Equipment is in cold and current time in the preset electricity price valley period；If so, cold medium flux control valve is beaten
It opens, the imported valve of accumulator is opened, the first import of the outlet valve of accumulator is opened, the second import is closed, it will be into
Go out bypath valve to close so that the working condition of accumulator in the energy storage device that freezes is adjusted to energy storage state.
In some embodiments, control valve group includes the imported valve of accumulator, the outlet valve of accumulator, refrigerant stream
Adjustable valve door and disengaging bypath valve；And the refrigerating capacity and electronic equipment of the working condition, refrigerator based on power supply unit
Use cold, to refrigeration energy storage device in control valve group controlled with adjust freeze energy storage device in accumulator work
State, including：In response to determining that the working condition of power supply unit is normal condition, further determine whether that satisfaction is following at least
One condition：The refrigerating capacity of refrigerator is in preset electricity price time to peak section less than electronic equipment cold, current time
In；If so, the imported valve of accumulator is opened, the outlet valve of accumulator is opened, disengaging bypath valve is closed, it will
The aperture regulation of cold medium flux control valve is preset target aperture with the working condition of accumulator in the energy storage device that will freeze
It is adjusted to let cool state online.
In some embodiments, control valve group includes the imported valve of accumulator, the outlet valve of accumulator, refrigerant stream
Adjustable valve door and disengaging bypath valve, the imported valve of accumulator includes first outlet and second outlet, and first outlet is used for
Refrigerant is imported into accumulator, second outlet is used to refrigerant importing refrigerator, the outlet valve of accumulator include the first import and
Second import, the first import is for importing the refrigerant flowed out from the imported valve of accumulator, and the second import is for importing from storage
The refrigerant that energy device is flowed out；And the working condition, refrigerator based on power supply unit refrigerating capacity and electronic equipment use cold,
Control valve group in refrigeration energy storage device is controlled to adjust the working condition of accumulator in refrigeration energy storage device, packet
It includes：In response to determining that the working condition of power supply unit is abnormality, cold medium flux control valve is opened, disengaging is bypassed
Valve is opened, and the outlet valve of imported valve and accumulator to accumulator carries out following control to be stored up in the energy storage device that will freeze
The working condition of energy device is adjusted to let cool state offline：The first outlet of the imported valve of accumulator is opened, second outlet is closed
It closes, the second import of the outlet valve of accumulator is opened；Or the first import of the outlet valve of accumulator is closed, second into
Mouth is opened, and the first outlet of the imported valve of accumulator is opened.
Refrigeration energy-storage system provided by the embodiments of the present application is provided with refrigeration energy storage device and control device, and refrigeration energy storage is set
The communication connection of standby and control device, wherein：The energy storage device that freezes includes refrigerator, accumulator, refrigerant delivery pipe and control valve
Group；Refrigerator is for providing cold；Accumulator is connected by refrigerant delivery pipe with refrigerator, for storing cold or providing cold
Amount；The working condition of accumulator includes：Energy storage state lets cool state and lets cool state offline online；Control valve group is set to
In refrigerant delivery pipe；Control device is for controlling control valve group to switch the working condition of accumulator.The refrigeration energy-storage system
Can ensure system cooling incessantly under the control of control device, improve refrigeration energy-storage system reliability with flexibly
Property.
Description of the drawings
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the structural schematic diagram according to one embodiment of refrigeration energy-storage system provided by the present application；
Fig. 2 is the structural representation according to one embodiment of refrigerant delivery pipe in refrigeration energy-storage system provided by the present application
Figure；
Fig. 3 is the structural representation according to one embodiment of control valve group in refrigeration energy-storage system provided by the present application
Figure；
Fig. 4 is the structural representation according to another embodiment of control valve group in refrigeration energy-storage system provided by the present application
Figure；
Fig. 5 is to be in one embodiment of energy storage state according to accumulator in refrigeration energy-storage system provided by the present application to show
It is intended to；
Fig. 6 is that the one embodiment for letting cool state online is according to accumulator in refrigeration energy-storage system provided by the present application
Schematic diagram；
Fig. 7 is that the one embodiment for letting cool state offline is according to accumulator in refrigeration energy-storage system provided by the present application
Schematic diagram；
Fig. 8 is the structural representation according to the further embodiment of control valve group in refrigeration energy-storage system provided by the present application
Figure；
Fig. 9 is shown according to the structure of one embodiment of the modular integrated cabinet of refrigeration energy-storage system provided by the present application
It is intended to；
Figure 10 is the structural representation according to one embodiment of the modularization cluster of refrigeration energy-storage system provided by the present application
Figure；
Figure 11 is the flow chart of one embodiment of the control method provided by the present application for the energy-storage system that freezes；
Figure 12 is the flow chart of another embodiment of the control method provided by the present application for the energy-storage system that freezes；
Figure 13 is the flow chart of the further embodiment of the control method provided by the present application for the energy-storage system that freezes；
Figure 14 is the flow chart of another embodiment of the control method provided by the present application for the energy-storage system that freezes.
Specific implementation mode
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, is illustrated only in attached drawing and invent relevant part with related.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to FIG. 1, it illustrates according to it is provided by the present application refrigeration energy-storage system one embodiment structural representation
Figure.Refrigeration energy-storage system in the present embodiment may include refrigeration energy storage device 1 and control device 2, wherein above-mentioned refrigeration energy storage
Equipment 1 and above-mentioned control device 2 communicate to connect.In Fig. 1, network 3 is between refrigeration energy storage device 1 and control device 2
The medium of communication link is provided.Network 3 may include various connection types, such as wired, wireless communication link or optical fiber electricity
Cable etc..
As shown in Figure 1, refrigeration energy storage device 1 may include refrigerator 11, accumulator 12, refrigerant delivery pipe 13 and control valve
Door group 14.
In the present embodiment, above-mentioned refrigerator 11 may be used to provide cold.Above-mentioned refrigerator 11 may include chill plate
Pipe 111, fan 112, blinds 113, wherein blinds can also be replaced with outlet air mesh.Above-mentioned refrigerator 11 can utilize chilled water
Freeze, can also be freezed with refrigerants such as freon.In order to the fan 112 in above-mentioned refrigeration energy storage device 1 into
Row power supply, above-mentioned refrigeration energy storage device 1 can be connected to uninterruptible power supply (UPS, Uninterruptible Power
System/Supply)。
Optionally, above-mentioned refrigeration energy storage device 1 can also include power supply unit, and above-mentioned power supply unit can be refrigerator 11
In fan 112 be powered.Above-mentioned power supply unit may include following but be not limited at least one of following：Power supply unit mould
Block (PSU, Power Supply Unit), battery back unit (BBU, Battery Backup Unit), above-mentioned power supply supply
Device module is referred to as distributor.
In the present embodiment, above-mentioned accumulator 12 can be connected by the refrigerant delivery pipe 13 with above-mentioned refrigerator 11,
Accumulator 12 can be used for storing cold or provide cold.The working condition of above-mentioned accumulator 12 may include：Energy storage state,
It is online to let cool state and let cool state offline, wherein above-mentioned energy storage state is usually the state for storing cold, above-mentioned to let cool online
State is usually that the state of cold is provided when powering normal, and the above-mentioned offline state that lets cool is usually to be carried in the abnormal electrical power supply
The state of semen donors.
Optionally, above-mentioned accumulator 12 may include at least one by phase-change material (PCM, Phase Change
Material formed energy-storage units) are packaged, above-mentioned phase-change material refers to varying with temperature and changing state of matter simultaneously
The substance of latent heat can be provided.The process of transformation physical property is known as phase transition process, and at this moment phase-change material will absorb or release is a large amount of
Latent heat.Phase-change material can be divided into organic (Organic) and inorganic (Inorganic) phase-change material.Organic PCM includes mainly
Paraffin, acetic acid and other organic matters, inorganic PCM include mainly crystalline hydrate salt, molten salts, metal or alloy class etc..
Phase-change material works as thing since it uses hidden heat energy storage, compared to water cold storage etc. can increase substantially energy density, and reduce space
It occupies.It should be noted that the quantity of energy-storage units included in accumulator 12 can be arbitrary, it can be according to for use cold
Electronic equipment with factors such as the times of cold, the probability that abnormal electrical power supply situation is occurred and abnormal electrical power supply, determine accumulator
The quantity for the energy-storage units for including needed for 12.
In the present embodiment, above-mentioned control device 2 can be used for controlling the switch of control valve group 14 or close to switch
The working condition of accumulator 12.It should be noted that control device 2 can reside in the outside of refrigeration energy storage device 1, it can also
It is present in the inside of refrigeration energy storage device 1.
When power supply unit power supply is normal, and the refrigerating capacity of refrigerator 11 is more than or equal to refrigeration the supplied cold of energy storage device
Electronic equipment in cabinet uses cold, and current time is in the preset electricity price valley period (for example, to next day 8 at 22 points
The period of point) in, above-mentioned control device 2 can be inputted refrigerant by controlling the control valve in control valve group 14
To in accumulator 12 and in refrigerator 11, so that accumulator 12 is in energy storage state, i.e., stored up while refrigerator 11 freezes
Energy device 12 realizes the function of storage cold.
When power supply unit power supply is normal, and the refrigerating capacity of current refrigeration device 11 be less than above-mentioned electronic equipment with cold and/
Or current time is in preset electricity price time to peak section (for example, 8 points to 22 points period), above-mentioned control device 2 can
With by control control valve group 14 in control valve, by refrigerant be input in accumulator 12 and refrigerator 11 in, and will
It is input in refrigerator 11 from the refrigerant exported in accumulator 12, so that accumulator 12 is in lets cool state online, that is, is making
Accumulator 12 realizes the function of letting cool while cooler 11 freezes.
When power supply unit abnormal electrical power supply, and stand-by power supply (for example, oil machine or other city's electric equipments) is not yet normal when starting,
Above-mentioned control device 2 can be defeated by the refrigerant exported from refrigerator 11 by controlling the control valve in control valve group 14
Enter into accumulator 12, and the refrigerant exported from accumulator 12 is input to refrigerator 11, so that accumulator 12 is in offline
Let cool state.
In the present embodiment, above-mentioned control valve group 14 can be set in above-mentioned refrigerant delivery pipe 13, for receiving
The control signal for stating control device 2, to switch the working condition of accumulator 12.
In the present embodiment, above-mentioned refrigerant delivery pipe 13 can be used for conveying refrigerant to refrigerator 11 and accumulator 12,
Refrigerant can also be exported refrigerator 11 and accumulator 12.Refrigerant is referred to as refrigerant, is in various heat engines so as to complete
The media material converted at energy.Herein, refrigerant includes mainly freon, water etc..
Optionally, referring to FIG. 2, it illustrates according to one of refrigerant delivery pipe in refrigeration energy-storage system provided by the present application
The structural schematic diagram of a embodiment.As shown in Fig. 2, above-mentioned refrigerant delivery pipe 13 may include for refrigerant to be imported refrigerator 11
And/or accumulator 12 the first refrigerant inlet pipe 131, for by refrigerant first refrigerant exit pipe 132 derived from the refrigerator 11,
For refrigerant to be imported to the second refrigerant inlet pipe 133 of accumulator 12, for by refrigerant second refrigerant derived from the accumulator 12
Outlet 134 and the communicating pipe 135 for being connected to the first refrigerant inlet pipe 131 and the first refrigerant exit pipe 132.
Optionally, referring to FIG. 3, it illustrates according to one of control valve group in refrigeration energy-storage system provided by the present application
The structural schematic diagram of a embodiment.As shown in figure 3, above-mentioned control valve group 14 may include accumulator 12 imported valve 141,
The outlet valve 142 and disengaging bypath valve 143 of accumulator 12.The imported valve 141 of above-mentioned accumulator 12 can be set to
On one refrigerant inlet pipe 131.Above-mentioned imported valve 141 may include an import and two outlets, as shown in figure 3, inlet valve
One import of door 141 is 1413, and two outlets of imported valve 141 are respectively first outlet 1411 and second outlet 1412.
First outlet 1411 can be connected with the second refrigerant inlet pipe 133, for importing refrigerant in accumulator 12.Second outlet 1412
For refrigerant to be imported in refrigerator 11.The outlet valve 142 of above-mentioned accumulator 12 can be set to the first refrigerant inlet pipe 131
On, above-mentioned outlet valve 142 may include two imports and one outlet, as shown in figure 3, the one outlet of outlet valve 142
It is 1423, two imports of outlet valve 142 are respectively the first import 1421 and the second import 1422.First import 1421 can be with
The refrigerant that imported valve 141 for importing from accumulator 12 is flowed out, the second import 1422 can be with the second refrigerant exit pipes
134 are connected, for importing the refrigerant flowed out from accumulator 12.Above-mentioned disengaging bypath valve 143 can be set to communicating pipe 135
On, it can be used for from the first refrigerant exit pipe 132 importing refrigerant in the first refrigerant inlet pipe 131.It should be noted that energy storage
The imported valve 141 of device 12, the outlet valve 142 of accumulator 12 and disengaging bypath valve 143 are usually regulating valve.Regulating valve is again
Name control valve, generally includes regulation unit (execution unit) and valve is formed, refer to by receiving regulation unit
The control signal of output goes to change fluid flow by power operation.
Optionally, referring to FIG. 4, it illustrates according to control valve group in refrigeration energy-storage system provided by the present application again
The structural schematic diagram of one embodiment.As shown in figure 4, above-mentioned control valve group 14 can also include cold medium flux control valve
144.Above-mentioned cold medium flux control valve 144 can be set on the first refrigerant exit pipe 131, can be used for passing through control valve
Aperture regulation refrigerant flow.It should be noted that cold medium flux control valve 144 is usually regulating valve.
Referring to FIG. 5, it illustrates be in energy storage state according to accumulator in refrigeration energy-storage system provided by the present application
The schematic diagram of one embodiment.As shown in figure 5, when power supply unit power supply is normal, the refrigerating capacity of refrigerator 11 is more than or equal to refrigeration
The use cold and current time of electronic equipment in the cabinet of the supplied cold of energy storage device are in the preset electricity price valley time
In section (for example, 22 points to 8 points of period of next day), above-mentioned control device 2 can open cold medium flux control valve 144,
Disengaging bypath valve 143 is closed, the imported valve 141 of accumulator 12 is opened, by the of the outlet valve 142 of accumulator 12
One import 1421 is opened, the second import 1422 is closed, by refrigerant be input in accumulator 12 and refrigerator 11 in, to will store up
The working condition of energy device 12 is adjusted to energy storage state.It should be noted that as shown in figure 5, due to outlet valve 142 second into
Mouth 1422 is in closed state with disengaging bypath valve 143, therefore, does not have refrigerant stream in the second refrigerant exit pipe and communicating pipe
It crosses, the state for characterizing the second refrigerant exit pipe with dotted line in Figure 5 and not having refrigerant to circulate in communicating pipe.
With continued reference to Fig. 6, it illustrates be in let cool online according to accumulator in refrigeration energy-storage system provided by the present application
The schematic diagram of one embodiment of state.As shown in fig. 6, when power supply unit power supply is normal, and the refrigerating capacity of current refrigeration device 11
Preset electricity price time to peak section is in (for example, 8 points to 22 points less than above-mentioned electronic equipment cold and/or current time
Period) in, above-mentioned control device 2 can open the imported valve 141 of accumulator 12, by the outlet valve of accumulator 12
142 open, and disengaging bypath valve 143 is closed, and are that preset target is opened by the aperture regulation of cold medium flux control valve 144
Degree, by refrigerant be input in accumulator 12 and refrigerator 11 in, and the refrigerant exported from accumulator 12 is input to refrigeration
In device 11, to be adjusted to the working condition of accumulator 12 in the energy storage device that freezes to let cool state online.It should be noted that
As shown in fig. 6, since disengaging bypath valve 143 is closed, there is no refrigerant to flow through in communicating pipe, uses in figure 6
Dotted line does not have the state that refrigerant circulates in characterization communicating pipe.
With continued reference to Fig. 7, it illustrates be in let cool offline according to accumulator in refrigeration energy-storage system provided by the present application
The schematic diagram of one embodiment of state.As shown in fig. 7, work as power supply unit abnormal electrical power supply, and stand-by power supply (for example, oil machine or
Other city's electric equipments) it is not yet normal when starting, above-mentioned control device 2 can open cold medium flux control valve 144, will pass in and out
Bypath valve 143 is opened, the outlet valve 142 of imported valve 141 and accumulator 12 to accumulator 12 carry out following control with
It will be input in accumulator 12 from the refrigerant that refrigerator 11 exports, and the refrigerant exported from accumulator 12 be input to refrigerator
11, to be adjusted to the working condition of accumulator 12 in the energy storage device that freezes to let cool state offline：By the import of accumulator 12
The first outlet 1411 of valve 141 is opened, second outlet 1412 is closed, by the second import of the outlet valve 142 of accumulator 12
1422 open；Or open the first import 1421 closing, the second import 1422 of the outlet valve 142 of accumulator 12, by energy storage
The first outlet 1411 of the imported valve 141 of device 12 is opened.It should be noted that as shown in fig. 7, due to accumulator 12 import
The second outlet 1412 of valve 141 is in at least one in the first import 1421 of the outlet valve 142 of accumulator 12 and closes
Therefore closed state does not have refrigerant to flow through in the pipeline between imported valve 141 and outlet valve 142, use dotted line table in the figure 7
Levy the state for not having refrigerant to circulate in this section of pipeline；It should also be noted that, in the case of abnormal electrical power supply, it need not be from refrigeration
The external input refrigerant of energy storage device, therefore, the part of the first refrigerant inlet pipe and the first refrigerant exit pipe that are communicated with the outside
Refrigerant flows through in pipeline, characterizes the state for not having refrigerant to circulate in this section of pipeline with dotted line in the figure 7.
Referring to FIG. 8, it illustrates another realities according to control valve group in refrigeration energy-storage system provided by the present application
Apply the structural schematic diagram of example.As shown in figure 8, above-mentioned control valve group may include the first imported valve 145, the second imported valve
146 and first outlet valve 147, disengaging bypath valve 143 and cold medium flux control valve 144.First imported valve 145 can be with
It is set on the second refrigerant inlet pipe 133, for will be imported in accumulator 12 from the refrigerant that the first refrigerant inlet pipe 131 flows into；
Second imported valve 146 can be set on the first refrigerant inlet pipe 131, for importing refrigerant in refrigerator 11；First goes out
Mouth valve 147 can be set on the second refrigerant exit pipe 134, for exporting refrigerant from accumulator 12；Pass in and out by-passing valve
Door 143 can be set on communicating pipe 135, can be used for refrigerant importing the first refrigerant inlet from the first refrigerant exit pipe 132
In pipe 131；Cold medium flux control valve 144 can be set on the first refrigerant exit pipe 131, can be used for passing through control valve
Aperture regulation refrigerant flow.
When power supply unit power supply is normal, and the refrigerating capacity of refrigerator 11 is more than or equal to refrigeration the supplied cold of energy storage device
Electronic equipment in cabinet uses cold, and current time is in the preset electricity price valley period (for example, to next day 8 at 22 points
The period of point) in, above-mentioned control device 2 can open cold medium flux control valve 144, and disengaging bypath valve 143 is closed
It closes, the first imported valve 145 is opened, the second imported valve 146 is opened, first outlet valve 147 is closed, by refrigerant
Be input in accumulator 12 and refrigerator 11 in, to which the working condition of accumulator 12 is adjusted to energy storage state.
When power supply unit power supply is normal, and the refrigerating capacity of current refrigeration device 11 be less than above-mentioned electronic equipment with cold and/
Or current time is in preset electricity price time to peak section (for example, 8 points to 22 points period), above-mentioned control device 2 can
To open the first imported valve 145, the second imported valve 146 is opened, first outlet valve 147 is opened, disengaging is other
Port valve door 143 is closed, and is preset target aperture by the aperture regulation of cold medium flux control valve 144, refrigerant is input to
It in accumulator 12 and in refrigerator 11, and will be input in refrigerator 11 from the refrigerant exported in accumulator 12, to freeze
The working condition of accumulator 12 is adjusted to let cool state online in energy storage device.
When power supply unit abnormal electrical power supply, and stand-by power supply (for example, oil machine or other city's electric equipments) is not yet normal when starting,
Above-mentioned control device 2 can will open the first imported valve 145, the second imported valve 146 be closed, by first outlet valve
147 open, and cold medium flux control valve 144 is opened, and disengaging bypath valve 143 are opened, by what is exported from refrigerator 11
Refrigerant is input in accumulator 12, and the refrigerant exported from accumulator 12 is input to refrigerator 11, and to freeze, energy storage will be set
The working condition of standby middle accumulator 12 is adjusted to let cool state offline.
Optionally, above-mentioned refrigeration energy-storage system can also include monitor, and above-mentioned monitor can be used for monitoring to above-mentioned
The power supply unit (for example, uninterruptible power supply, power supply unit module and battery back unit) that refrigeration energy storage device is powered
Flow in refrigerant delivery pipe 13 of working condition, refrigerant, when flowing into refrigerator 11 when the temperature of refrigerant, outflow refrigerator 11
The temperature of refrigerant and current value and voltage value when to power electronic equipment in cabinet.
Optionally, above-mentioned refrigeration energy storage device 1 can be set in cabinet, and also typically including electronics in above-mentioned cabinet sets
It is standby.Cabinet is usually the object for being used to store computer and related control device that cold-rolled steel sheet or alloy make, generally can be with
It is divided into server cabinet, network cabinet, console cabinet etc..This refrigeration energy storage device can be set to the machine of interior of equipment cabinet
Cabinet is known as modular integrated cabinet.
Fig. 9 shows the knot of one embodiment of the modular integrated cabinet according to refrigeration energy-storage system provided by the present application
Structure schematic diagram.As shown in figure 9, above-mentioned refrigeration energy storage device 1 is set in cabinet, it can be by sucking the electronic equipment in cabinet
The hot-air of heat dissipation discharge passes through the chill plate in refrigerator 11 by the refrigeration coil 111 or accumulator 12 in refrigerator 11
The cold that pipe 111 or accumulator 12 are provided cools down hot-air, and will be after cooling by the fan in refrigerator 11
Air sends the air inlet of electronic equipment back to.What the arrow direction in Fig. 9 characterized is flow direction of the air in cabinet, is not entered
Air in refrigeration energy storage device is usually hot-air, and the air flowed out from refrigeration energy storage device is usually sky after cooling
Gas.It should be noted that the bottom that the refrigeration energy storage device 1 in Fig. 9 is placed on cabinet can also in addition to this modes of emplacement
It is positioned in cabinet with other modes such as backboard, front door or overheads.In addition to including refrigeration energy storage device in modular integrated cabinet
And electronic equipment, can also include above-mentioned monitor, power supply unit module and battery back unit.This modular integrated machine
Cabinet is particularly suitable for the edge calculations data center of middle low-density.
In the present embodiment, refrigeration energy storage device can also be positioned over the outside of cabinet, and to the electronic equipment in cabinet
Freeze.Cluster comprising at least two cabinets and refrigeration energy storage device can be known as modularization cluster, in addition to including machine
Cabinet and refrigeration energy storage device, above-mentioned modularization cluster can also include above-mentioned monitor, power supply unit module and battery back
Unit.This modularization cluster is particularly suitable for edge calculations data center or the data center of medium-sized and small enterprises of middle-high density
Deng.Figure 10 shows the structural representation of one embodiment of the modularization cluster according to refrigeration energy-storage system provided by the present application
Figure.In Fig. 10, a refrigeration energy storage device provides cold for four electronic equipments.It should be noted that the number of electronic equipment
Amount and the quantity of refrigeration energy storage device can be arbitrary, and can adjust electronic equipment and refrigeration energy storage according to actual needs
The quantity of equipment.
Present invention also provides a kind of control method for the energy-storage system that freezes, this method can be used for above-mentioned each implementation
Freeze energy-storage system in example.As shown in figure 11, it illustrates the control methods provided by the present application for the energy-storage system that freezes
The flow chart 1100 of one embodiment.This method may comprise steps of：
Step 1101, control device obtains the refrigerating capacity of refrigerator in the working condition of power supply unit, refrigeration energy storage device
Cold is used with electronic equipment.
In the present embodiment, the refrigeration energy storage device in above-mentioned refrigeration energy-storage system can be set to cabinet (for example, service
Device cabinet, network cabinet, console cabinet etc.) in, above-mentioned cabinet can also include electronic equipment.In above-mentioned refrigeration energy-storage system
Control device can obtain first in the working condition of power supply unit, above-mentioned refrigeration energy-storage system freeze energy storage device in freeze
The refrigerating capacity of device and above-mentioned electronic equipment use cold.Wherein, above-mentioned power supply unit is to supply above-mentioned refrigeration energy storage device
The power supply unit of electricity, as an example, above-mentioned power supply unit can be uninterruptible power supply, power supply unit module and battery back list
Member.The working condition of above-mentioned power supply unit may include normal condition and abnormality.The refrigerating capacity of above-mentioned refrigerator can be
In above-mentioned refrigeration energy storage device in refrigerant delivery pipe the flow of refrigerant and the refrigerant for passing in and out above-mentioned refrigerator the temperature difference (refrigerator
The absolute value of the difference of temperature at refrigerant inlet and the temperature at the refrigerant exit of refrigerator) product.Above-mentioned electronic equipment
Can be the product of current value and voltage value being powered to above-mentioned electronic equipment with cold.Herein, if above-mentioned refrigeration is stored up
Energy system further includes monitor, and above-mentioned control device can obtain working condition, the refrigerant of power supply unit from above-mentioned monitor
Flow in refrigerant delivery pipe the temperature of refrigerant and is set electronics when the temperature of refrigerant, outflow refrigerator when flowing into refrigerator
Current value when available electricity and voltage value.
Step 1102, the use cold of the working condition based on power supply unit, the refrigerating capacity of refrigerator and electronic equipment, to system
Control valve group in cold energy storage device is controlled to adjust the working condition of accumulator in refrigeration energy storage device.
In the present embodiment, above-mentioned control device can be based on above-mentioned power supply unit working condition, above-mentioned refrigerator
The use cold of refrigerating capacity and above-mentioned electronic equipment, controls in adjustment the control valve group in above-mentioned refrigeration energy storage device
State the working condition of accumulator in refrigeration energy storage device.The working condition of above-mentioned accumulator may include：Energy storage state is put online
Cold state and let cool state offline, wherein above-mentioned energy storage state is usually the state for storing cold, and the above-mentioned online state that lets cool is led to
Often to provide the state of cold when powering normal, the above-mentioned offline state that lets cool is usually to provide cold in the abnormal electrical power supply
State.
The method that above-described embodiment of the application provides, by refrigerating capacity based on current power supply state, refrigerator with
Electronic equipment uses cold, is controlled the control valve group in refrigeration energy storage device to adjust energy storage in refrigeration energy storage device
The working condition of device improves refrigeration energy storage system so as to ensure system cooling incessantly under the control of control device
The reliability of system and flexibility.
2 are continued to refer to figure 1, it illustrates another realities of the control method provided by the present application for the energy-storage system that freezes
Apply the flow chart 1200 of example.This method may comprise steps of：
Step 1201, control device obtains the refrigerating capacity of refrigerator in the working condition of power supply unit, refrigeration energy storage device
Cold is used with electronic equipment.
In the present embodiment, the operation of step 1201 and the operation of step 1101 are essentially identical, and details are not described herein.
Step 1202, determine whether the working condition of power supply unit is normal condition.
In the present embodiment, above-mentioned power supply unit is the power supply unit being powered to above-mentioned refrigeration energy storage device, as
Example, above-mentioned power supply unit can be uninterruptible power supply, power supply unit module and battery back unit.Above-mentioned power supply unit
Working condition may include normal condition and abnormality.Above-mentioned control device can determine the working condition of above-mentioned power supply unit
Whether it is normal condition, if normal condition, then can executes step 1203.
Step 1203, determine the refrigerating capacity of refrigerator whether be more than or equal to electronic equipment with cold and current time whether
In the preset electricity price valley period.
In the present embodiment, if above-mentioned control device determines that the working condition of above-mentioned power supply unit is normal condition,
It can determine whether the refrigerating capacity of above-mentioned refrigerator whether being in cold and current time for above-mentioned electronic equipment is more than or equal to
In preset electricity price valley period (for example, 22 points to 8 points of period of next day), if the refrigerating capacity of refrigerator is more than or equal to electricity
Sub- equipment is in the above-mentioned electricity price valley period with cold and current time, then can execute step 1204.
Step 1204, cold medium flux control valve is opened, the imported valve of accumulator is opened, by the outlet of accumulator
First import of valve is opened, the second import is closed, and disengaging bypath valve is closed with accumulator in the energy storage device that will freeze
Working condition is adjusted to energy storage state.
In the present embodiment, above-mentioned control valve group may include the imported valve of accumulator, accumulator outlet valve,
Cold medium flux control valve and disengaging bypath valve, the outlet valve of above-mentioned accumulator may include the first import and second into
Mouthful, above-mentioned first import is for importing the refrigerant flowed out from the imported valve of above-mentioned accumulator, and above-mentioned second import is for leading
Enter the refrigerant flowed out from above-mentioned accumulator.
In the present embodiment, if above-mentioned control device determines that the refrigerating capacity of refrigerator is cold more than or equal to the use of electronic equipment
It measures and current time is in the above-mentioned electricity price valley period, then above-mentioned control device can be to each control in control valve group
The control unit of valve sends open instructions or out code, above-mentioned cold medium flux control valve is opened, by above-mentioned energy storage
The imported valve of device is opened, and the first import of the outlet valve of above-mentioned accumulator is opened, the second import closing, by above-mentioned disengaging
Bypath valve closes the working condition of accumulator in the energy storage device that freezes being adjusted to energy storage state.At this point, refrigerant conveys
A part of refrigerant is input in refrigerator by pipe so that refrigerator provides cold for above-mentioned electronic equipment, and refrigerant delivery pipe will be another
Part refrigerant is input in accumulator so that accumulator stores cold.
The method that above-described embodiment of the application provides, in powering normal, refrigeration energy storage device in power supply unit
When cold is in the electricity price valley period in the presence of more than needed and current time, the control valve group in refrigeration energy storage device is controlled
System, can be in the spirit for improving refrigeration energy-storage system to set the working condition of accumulator in the energy storage device that freezes to energy storage state
Energy storage cost is reduced while active.
3 are continued to refer to figure 1, it illustrates another realities of the control method provided by the present application for the energy-storage system that freezes
Apply the flow chart 1300 of example.This method may comprise steps of：
Step 1301, control device obtains the refrigerating capacity of refrigerator in the working condition of power supply unit, refrigeration energy storage device
Cold is used with electronic equipment.
In the present embodiment, the operation of step 1301 and the operation of step 1101 are essentially identical, and details are not described herein.
Step 1302, determine whether the working condition of power supply unit is normal condition.
In the present embodiment, above-mentioned control device can determine whether the working condition of above-mentioned power supply unit is normal shape
State can then execute step 1303 or execute step 1304 if normal condition.
Step 1303, determine whether the refrigerating capacity of refrigerator is less than electronic equipment and uses cold.
In the present embodiment, if above-mentioned control device determines that the working condition of above-mentioned power supply unit is normal condition,
It may further determine that the refrigerating capacity of above-mentioned refrigerator whether less than electronic equipment cold, however, it is determined that go out above-mentioned refrigerator
Refrigerating capacity is less than the use cold of electronic equipment, i.e., the refrigerating capacity of above-mentioned refrigerator cannot meet the use cold of above-mentioned electronic equipment,
Step 1305 can then be executed.
Step 1304, determine current time whether in preset electricity price time to peak section.
In the present embodiment, if above-mentioned control device determines that the working condition of above-mentioned power supply unit is normal condition,
Current time be may further determine that whether in preset electricity price time to peak section (for example, 8 points to 22 points period),
If current time is in above-mentioned electricity price time to peak section, step 1305 can be executed.
Step 1305, the imported valve of accumulator is opened, the outlet valve of accumulator is opened, bypath valve will be passed in and out
Close, by the aperture regulation of cold medium flux control valve be preset target aperture with the work of accumulator in the energy storage device that will freeze
It is adjusted to let cool state online as state.
In the present embodiment, above-mentioned control valve group may include the imported valve of accumulator, accumulator outlet valve,
Cold medium flux control valve and disengaging bypath valve.
In the present embodiment, if above-mentioned control device determine the refrigerating capacity of refrigerator be less than electronic equipment with cold or
Person determines that current time is in above-mentioned electricity price time to peak section, then above-mentioned control device can be to each in control valve group
The control unit of control valve sends open instructions or out code, and the imported valve of above-mentioned accumulator is opened, will be above-mentioned
The outlet valve of accumulator is opened, and above-mentioned disengaging bypath valve is closed, by the aperture regulation of above-mentioned cold medium flux control valve
It is preset target aperture to be adjusted to the working condition of accumulator in the refrigeration energy storage device to let cool state online.This
When, the refrigerant part inputted in refrigerator comes from the refrigerant of external offer, and a part comes from after accumulator is handled
Refrigerant, herein, accumulator to refrigerator provide cold.PID (Proportion may be used in above-mentioned control device
Integral Differential) algorithm carry out valve opening control, i.e., set target value is (for example, demand cold and electronics
The ratio with cold of equipment), according to the actual demand cold of acquisition (refrigerating capacity with cold and refrigerator of electronic equipment
Difference) and electronic equipment the ratio and setting with cold desired value deviation, valve is constantly adjusted by pid algorithm
Aperture is to realize the control of valve.In process control, in the ratio (Proportion) of deviation, integral (Integral) and
PID controller that differential (Differential) is controlled (also known as PID regulator) is that one kind for being most widely used is automatic
Controller.
The method that above-described embodiment of the application provides, it is normal by powering in power supply unit, in the energy storage device that freezes
When cold deficiency or when current time is in electricity price time to peak section, the control valve group in refrigeration energy storage device is controlled
System is to be set as the working condition of accumulator in the energy storage device that freezes to let cool state online, to normal in power supply
There is provided cold by accumulator, can the reliability and flexibility while for improving refrigeration energy-storage system reduce refrigeration at
This.
4 are continued to refer to figure 1, it illustrates another realities of the control method provided by the present application for the energy-storage system that freezes
Apply the flow chart 1400 of example.This method may comprise steps of：
Step 1401, control device obtains the refrigerating capacity of refrigerator in the working condition of power supply unit, refrigeration energy storage device
Cold is used with electronic equipment.
In the present embodiment, the operation of step 1401 and the operation of step 1101 are essentially identical, and details are not described herein.
Step 1402, determine whether the working condition of power supply unit is abnormality.
In the present embodiment, above-mentioned control device can determine whether the working condition of above-mentioned power supply unit is abnormal shape
State can then execute step 1403 if abnormality.
Step 1403, cold medium flux control valve is opened, disengaging bypath valve is opened, to the imported valve of accumulator
Following control is carried out so that the working condition of accumulator in the energy storage device that freezes to be adjusted to put offline with the outlet valve of accumulator
Cold state：The first outlet of the imported valve of accumulator is opened, second outlet closing, by the second of the outlet valve of accumulator
Import is opened；Or close the first import of the outlet valve of accumulator, the second import opening, by the imported valve of accumulator
First outlet is opened.
In the present embodiment, above-mentioned control valve group may include the imported valve of accumulator, accumulator outlet valve,
Cold medium flux control valve and disengaging bypath valve.The imported valve of above-mentioned accumulator may include that first outlet and second go out
Mouthful, above-mentioned first outlet can be used for refrigerant importing above-mentioned accumulator, and above-mentioned second outlet can be used for importing refrigerant
Refrigerator is stated, the outlet valve of above-mentioned accumulator may include the first import and the second import, and above-mentioned first import can be used for
The refrigerant flowed out from the imported valve of above-mentioned accumulator is imported, above-mentioned second import can be used for importing from above-mentioned accumulator institute
The refrigerant of outflow.
In the present embodiment, if above-mentioned control device is determined to determine that the working condition of above-mentioned power supply unit is abnormal shape
State, then above-mentioned control device can be to the control unit of each control valve in control valve group transmission open instructions or closing
Above-mentioned cold medium flux control valve is opened in instruction, above-mentioned disengaging bypath valve is opened, to the inlet valve of above-mentioned accumulator
The outlet valve of door and above-mentioned accumulator carries out following control with by the working condition tune of accumulator in above-mentioned refrigeration energy storage device
Whole is to let cool state offline：The first outlet of the imported valve of above-mentioned accumulator is opened, second outlet closing, by above-mentioned energy storage
Second import of the outlet valve of device is opened；Or the first import of the outlet valve of above-mentioned accumulator is closed, the second import
It opens, the first outlet of the imported valve of above-mentioned accumulator is opened.At this point, the refrigerant that refrigerant delivery pipe will be exported from refrigerator
It is input in accumulator, so that accumulator provides cold to refrigerant, the refrigerant exported from accumulator is input to refrigerator later.
The method that above-described embodiment of the application provides, by the case of power supply unit abnormal electrical power supply, being stored up to refrigeration
Control valve group in energy equipment is controlled so that the working condition of accumulator in the energy storage device that freezes to be set as letting cool offline
State, in the case of abnormal electrical power supply by accumulator provide cold, can further increase refrigeration energy-storage system can
By property.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical solutions of arbitrary combination and formation.Such as features described above has similar work(with (but not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (12)
1. a kind of refrigeration energy-storage system, including refrigeration energy storage device and control device, the refrigeration energy storage device and the control
Equipment communicates to connect；
The refrigeration energy storage device includes refrigerator, accumulator, refrigerant delivery pipe and control valve group；
The refrigerator is for providing cold；
The accumulator is connected by the refrigerant delivery pipe with the refrigerator, for storing cold or providing cold；
The working condition of the accumulator includes：Energy storage state lets cool state and lets cool state offline online, wherein it is described
Line lets cool state to provide the state of cold when powering normal, described to let cool state offline to be provided in the abnormal electrical power supply
The state of cold；
The control valve group is set in the refrigerant delivery pipe；
The control device is for controlling the control valve group to switch the working condition of the accumulator.
2. refrigeration energy-storage system according to claim 1, wherein the refrigerant delivery pipe includes for refrigerant to be imported institute
State refrigerator and/or accumulator the first refrigerant inlet pipe, for by refrigerant derived from the refrigerator the first refrigerant exit
Pipe, the second refrigerant inlet pipe for refrigerant to be imported to the accumulator are used for refrigerant second derived from the accumulator
Refrigerant exit pipe and the communicating pipe for being connected to the first refrigerant inlet pipe and the first refrigerant exit pipe.
3. refrigeration energy-storage system according to claim 2, wherein the control valve group includes the import of the accumulator
Valve, the outlet valve of the accumulator and disengaging bypath valve；
The imported valve of the accumulator is set on the first refrigerant inlet pipe, the imported valve include import and
Two outlets, wherein described two outlets respectively first outlet and second outlet, the first outlet and second refrigerant
Inlet tube is connected, and for refrigerant to be imported the accumulator, the second outlet is used to refrigerant importing the refrigerator；
The outlet valve of the accumulator is set on the first refrigerant inlet pipe, the outlet valve include two imports and
One outlet, wherein described two imports are respectively the first import and the second import, and first import is for importing from described
The refrigerant that the imported valve of accumulator is flowed out, second import are connected with the second refrigerant exit pipe, for import from
The refrigerant that the accumulator is flowed out；
The disengaging bypath valve was set on the communicating pipe.
4. refrigeration energy-storage system according to claim 3, wherein the control valve group further includes cold medium flux regulating valve
Door；
The cold medium flux control valve is set on the first refrigerant exit pipe, for the aperture regulation by control valve
The flow of refrigerant.
5. the refrigeration energy-storage system according to one of claim 1-4, wherein the accumulator includes at least one by phase transformation
Material is packaged formed energy-storage units.
6. the refrigeration energy-storage system according to one of claim 1-4, wherein the refrigeration energy storage device includes that power supply is set
It is standby.
7. the refrigeration energy-storage system according to one of claim 1-4, wherein the refrigeration energy storage device is set to cabinet
In, the cabinet includes electronic equipment.
8. refrigeration energy-storage system according to claim 7, wherein the refrigeration energy-storage system further includes monitor；
The monitor is used to monitor the working condition for the power supply unit being powered to the refrigeration energy storage device, refrigerant in institute
The temperature of refrigerant when stating flow in refrigerant delivery pipe, flowing into the refrigerator, when flowing out the refrigerator temperature of refrigerant and
Current value when to the power electronic equipment and voltage value.
9. a kind of control method for refrigeration energy-storage system as described in one of claim 1-8, wherein the refrigeration energy storage
Refrigeration energy storage device in system is set in cabinet, and the cabinet further includes electronic equipment, the method includes：
Control device obtains the refrigerating capacity of refrigerator and the electronics in the working condition of power supply unit, the refrigeration energy storage device
Equipment uses cold, wherein the refrigerating capacity is the flow of refrigerant and disengaging in refrigerant delivery pipe in the refrigeration energy storage device
The product of the temperature difference of the refrigerant of the refrigerator, described with cold is the current value and voltage being powered to the electronic equipment
The product of value, the power supply unit are powered the refrigeration energy storage device；
The refrigerating capacity of working condition, the refrigerator based on the power supply unit and the use cold of the electronic equipment, to institute
The control valve group in refrigeration energy storage device is stated to be controlled to adjust the working condition of accumulator in the refrigeration energy storage device.
10. according to the method described in claim 9, wherein, the control valve group includes the imported valve of accumulator, accumulator
Outlet valve, cold medium flux control valve and disengaging bypath valve, the outlet valve of the accumulator include the first import and
Second import, first import is for importing the refrigerant flowed out from the imported valve of the accumulator, second import
For importing the refrigerant flowed out from the accumulator；And
The working condition based on the power supply unit, the refrigerating capacity of the refrigerator and the electronic equipment use cold,
Control valve group in the refrigeration energy storage device is controlled to adjust the work of accumulator in the refrigeration energy storage device
State, including：
In response to determining that the working condition of the power supply unit is normal condition, further determine whether to meet the following conditions：
The refrigerating capacity of the refrigerator is more than or equal to when being in preset electricity price valley with cold and current time of the electronic equipment
Between in section；
If so, the cold medium flux control valve is opened, the imported valve of the accumulator is opened, by the accumulator
Outlet valve the first import open, the second import is closed, by disengaging bypath valve closing with by the refrigeration energy storage
The working condition of accumulator is adjusted to energy storage state in equipment.
11. according to the method described in claim 9, wherein, the control valve group includes the imported valve of accumulator, accumulator
Outlet valve, cold medium flux control valve and disengaging bypath valve；And
The working condition based on the power supply unit, the refrigerating capacity of the refrigerator and the electronic equipment use cold,
Control valve group in the refrigeration energy storage device is controlled to adjust the work of accumulator in the refrigeration energy storage device
State, including：
In response to determining that the working condition of the power supply unit is normal condition, further determine whether to meet following at least one
A condition：The refrigerating capacity of the refrigerator is in preset electricity price peak value less than electronic equipment cold, current time
In period；
If so, the imported valve of the accumulator is opened, the outlet valve of the accumulator is opened, by the disengaging
Port valve door close, by the aperture regulation of the cold medium flux control valve be preset target aperture the refrigeration energy storage to be set
The working condition of standby middle accumulator is adjusted to let cool state online.
12. according to the method described in claim 9, wherein, the control valve group includes the imported valve of accumulator, accumulator
Outlet valve, cold medium flux control valve and disengaging bypath valve, the imported valve of the accumulator include first outlet and
Second outlet, the first outlet are used to refrigerant importing the accumulator, described in the second outlet is used to import refrigerant
The outlet valve of refrigerator, the accumulator includes the first import and the second import, and first import is for importing from described
The refrigerant that the imported valve of accumulator is flowed out, second import is for importing the refrigerant flowed out from the accumulator；With
And
The working condition based on the power supply unit, the refrigerating capacity of the refrigerator and the electronic equipment use cold,
Control valve group in the refrigeration energy storage device is controlled to adjust the work of accumulator in the refrigeration energy storage device
State, including：
In response to determining that for abnormality, the cold medium flux control valve is opened for the working condition of the power supply unit,
The disengaging bypath valve is opened, the outlet valve of imported valve and the accumulator to the accumulator carries out following control
System is to be adjusted to the working condition of accumulator in the refrigeration energy storage device to let cool state offline：
The first outlet of the imported valve of the accumulator is opened, second outlet closing, by the outlet valve of the accumulator
The second import open；Or
First import of the outlet valve of the accumulator is closed, the second import opening, by the imported valve of the accumulator
First outlet open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810121944.2A CN108458429A (en) | 2018-02-07 | 2018-02-07 | Refrigeration energy-storage system and the control method for the energy-storage system that freezes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810121944.2A CN108458429A (en) | 2018-02-07 | 2018-02-07 | Refrigeration energy-storage system and the control method for the energy-storage system that freezes |
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| DE19747758A1 (en) * | 1997-10-29 | 1999-05-06 | Friedrich Werner Dipl Ing Fh | Utilization of passive solar energy for ventilating air energy in houses |
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| CN204006458U (en) * | 2014-08-01 | 2014-12-10 | 深圳市英普生环保科技有限公司 | A kind of phase change cold-storage air-conditioning system |
| CN205783981U (en) * | 2016-05-20 | 2016-12-07 | 东莞理工学院 | A kind of distributed energy resource system of active accumulation of energy regulation and control |
| CN107218694A (en) * | 2017-04-27 | 2017-09-29 | 荆门品创通信科技有限公司 | A kind of monitoring method and monitoring system of the health status of air-conditioning |
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- 2018-02-07 CN CN201810121944.2A patent/CN108458429A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19747758A1 (en) * | 1997-10-29 | 1999-05-06 | Friedrich Werner Dipl Ing Fh | Utilization of passive solar energy for ventilating air energy in houses |
| CN102538108A (en) * | 2012-03-12 | 2012-07-04 | 长沙泰和英杰***集成工程有限责任公司 | Natural cold source uninterrupted precise air conditioner |
| CN204006458U (en) * | 2014-08-01 | 2014-12-10 | 深圳市英普生环保科技有限公司 | A kind of phase change cold-storage air-conditioning system |
| CN205783981U (en) * | 2016-05-20 | 2016-12-07 | 东莞理工学院 | A kind of distributed energy resource system of active accumulation of energy regulation and control |
| CN107218694A (en) * | 2017-04-27 | 2017-09-29 | 荆门品创通信科技有限公司 | A kind of monitoring method and monitoring system of the health status of air-conditioning |
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Application publication date: 20180828 |