CN106705296A - Water cool storage control system and method - Google Patents
Water cool storage control system and method Download PDFInfo
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- CN106705296A CN106705296A CN201611135816.0A CN201611135816A CN106705296A CN 106705296 A CN106705296 A CN 106705296A CN 201611135816 A CN201611135816 A CN 201611135816A CN 106705296 A CN106705296 A CN 106705296A
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
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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
- F24F2005/0032—Systems storing energy during the night
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Sustainable Development (AREA)
Abstract
The invention discloses a water cool storage control system and method. The water cool storage control system comprises a cool storage water tank, a movable cool storage disc, a lifting mechanism, a driving mechanism, a controller and a plurality of temperature sensors, wherein the temperature sensors are distributed along the longitudinal direction of the cool storage water tank; the movable cool storage disc is connected with the lifting mechanism and is located in the cool storage water tank; the controller is connected with the driving mechanism and the plurality of temperature sensors; the driving mechanism is connected with the lifting mechanism; the controller determines the position where a current thermocline is located according to water temperature signals, detected by the plurality of temperature sensors, of the cool storage water tank at different depth positions; and the movable cool storage disc is automatically moved to the position where the current thermocline is located through the driving mechanism and the lifting mechanism. The water cool storage control system disclosed by the invention can accurately detect the position where the current thermocline is located, so that the movable cool storage disc can be controlled to move to the thermocline so as to release cold, the thickness of the thermocline is reduced, and the utilization rate and the operation efficiency of the cool storage water tank of the water cool-storage system are greatly improved.
Description
Technical field
The present invention relates to water cool-storage technology field, specially a kind of water cold storage control system and its control method.
Background technology
Water cold storage central air conditioner system is a kind of energy-storage system wide variety of in central air-conditioning and central cooling system,
The peak load shifting that electric load is realized in power grid user side is used to help, the load difference contradiction between alleviating power network round the clock is improved
The primary energy utilization ratio of Generation Side.The general principle of chilled water storage system is to open refrigeration using the valley power more than needed at night
Main frame, the cold for producing is stored by way of water temperature being reduced in cold-storage tank, on the big peak of cooling needs on daytime
Electric load period, the then cold for discharging storage meets the demand of idle call cold end, it is to avoid or reduce direct using refrigeration host computer
Electric load required for cooling, so as to reach the purpose of electric power peak load shifting.
Water cold storage technology species is more, but be most widely used is natural layering formula chilled water storage system.In natural layering
The high-temperature water of the water at low temperature (such as 4 DEG C) and released cold quantity that store full cold is stored in formula chilled water storage system, in cold-storage tank simultaneously
(such as 11 DEG C), high temperature water density is small, floats over naturally above, and low temperature water density is big, sinks to naturally following.Between high and low warm water
Mesolimnion, i.e. temperature gradually water layer of transition from low temperature to high temperature.Water temperature in mesolimnion due to higher, as cooling low-temperature receiver
Its grade is relatively low, is unsatisfactory for the standard design requirement of idle call cold end, therefore wherein stored cold is often difficult to be utilized,
This allows for effective utilization ratio reduction of cold-storage tank, and system operation efficiency can also be adversely affected.Therefore, in water cold storage
, it is necessary to arrange upper and lower water-locator in system, cold-storage and to let cool under operational mode, storage is taken out or sent back to from cold-storage tank
The current of cold rinse bank gently so as to reduce the upset to the different temperatures water layer of natural layering in groove, are finally reached and to the greatest extent may be used as far as possible
The purpose of thermocline thickness can be reduced.
Under existing water-locator technical merit, even if being designed using good water-locator, thermocline thickness are also at larger
The order of magnitude, and frequently can lead to oblique temperature if low-temperature receiver or when being fluctuated with cold end load in cold-storage or in letting cool operation
The further deterioration of thickness degree, so that the effective rate of utilization of water cold storage groove cannot be improved fully, running efficiency of system
It is difficult to reach more excellent level.
The content of the invention
To solve the above-mentioned technical problem in the presence of prior art, the present invention provides a kind of water cold storage control system, should
System released cold quantity, the thermoclinic thickness of diminution by the way of mobile cold-storage disk, significantly improve the cold-storage of chilled water storage system
Tank utilization rate and operational efficiency.
The present invention also provides a kind of water cold storage control method, and the method is based on above-mentioned water cold storage control system, can accurately examine
Position where measuring mesolimnion, mesolimnion released cold quantity is moved to control to move cold-storage disk, reduces thermoclinic thickness.
Water cold storage control system of the present invention includes cold-storage tank, mobile cold-storage disk, elevating mechanism, drive mechanism, controller
And if dry temperature sensor；If the dry temperature sensor is along cold-storage tank genesis analysis；The mobile cold-storage disk and lift
Structure is connected, and in cold-storage tank；If the controller is connected with drive mechanism, dry temperature sensor respectively, the driving
Mechanism is connected with elevating mechanism, if the water temperature of the cold-storage tank different depth position that controller is detected according to dry temperature sensor
Signal judges current mesolimnion position, then mobile cold-storage disk is moved to automatically by drive mechanism, elevating mechanism works as
Position where preceding mesolimnion.
Preferably, the mobile cold-storage disk is hung in cold-storage tank by elevating mechanism.
Preferably, the mobile cold-storage disk includes sealing shell and some phase change cold-storage materials being packaged in sealing shell
Material, offers some through holes on the vertical direction of the sealing shell；Or including hollow screen cloth and be filled in screen cloth
Some cold-storage balls, the upper surface of the screen cloth, lower surface are provided with through hole.The full whole screen cloth inside of some cold-storage ball fillings is empty
Between.
Preferably, the horizontal cross sectional geometry of the mobile cold-storage disk and the horizontal cross sectional geometry of cold-storage tank are similar several
What figure.
Water cold storage control method of the present invention is based on foregoing water cold storage control system, comprises the following steps：
S1, in cold-storage running, if the cold-storage tank that controller is obtained according to dry temperature sensor real-time detection is not
Judge to draw current mesolimnion position with the water temperature signal of depth location, movement is controlled by drive mechanism, elevating mechanism
Cold-storage disk real-time tracking is moved in mesolimnion region；In above-mentioned tracking moving process, the phase transformation of encapsulation in mobile cold-storage disk
Cool storage material absorbs cold by the heat exchange with water at low temperature, is progressively changed into solid-state by liquid, stores cold；When cold-storage terminates
When, mobile cold-storage disk is moved to the top of cold-storage tank, and phase-change material for cold storage therein is completely transformed into solid-state, mobile cold-storage disk
Reach cold-storage saturation state；
S2, in running is let cool, if the cold-storage tank that controller is obtained according to dry temperature sensor real-time detection is not
Judge to draw current mesolimnion position with the water temperature signal of depth location, movement is controlled by drive mechanism, elevating mechanism
Cold-storage disk real-time tracking is moved in mesolimnion region；In above-mentioned tracking moving process, the phase transformation of encapsulation in mobile cold-storage disk
Cool storage material released cold quantity by the heat exchange with high-temperature water, is progressively liquid by Solid State Transformation, while so that mobile cold-storage disk
Water layer in the mesolimnion on periphery is cooled to the temperature grade for meeting cooling standard；At the end of letting cool, mobile cold-storage disk is moved
Move to the bottom of cold-storage tank, phase-change material for cold storage therein is completely transformed into liquid, the cold stored by mobile cold-storage disk is complete
Full release.
In above-mentioned water cold storage control method, if the numbering of 1-n is carried out to the dry temperature sensor in advance, each temperature
The numbering of sensor respectively corresponds to a depth location coordinate for determination in cold-storage tank, and the controller prestores whole
The depth location coordinate of temperature sensor；If if the cold-storage tank different depth position that controller is detected according to dry temperature sensor
The water temperature signal put finds out the position interval that the oblique warm area is located between i-th temperature sensor and k-th temperature sensor,
Then go out the distance of mobile cold-storage disk and the i-th temperature sensor according to interpolation calculation in position interval, and with kth temperature
The distance of sensor, wherein 1≤i≤n, 1≤k≤n.
Compared with prior art, the invention has the advantages that and beneficial effect：
1st, it is longitudinally arranged multiple temperature sensors to detect the different water temperatures of different depth, controller root in cold-storage tank
Mesolimnion position is judged to the testing result of water temperature according to multiple temperature sensors, then cold-storage is moved by driving mechanisms control
Disk moves to mesolimnion and carries out the storage or release of cold.The cold that mobile cold-storage disk is discharged is most water in mesolimnion
Temperature is reduced to the temperature grade that can meet cooling needs so that the thermoclinic thickness of reality in discharging cold course significantly drops
It is low, solve traditional chilled water storage system thermocline thickness and cause cold-storage tank effective rate of utilization low greatly and cold accumulation system synthesis fortune
The low problem of line efficiency.
2nd, the vertical direction of mobile cold-storage disk is provided with multiple through holes, and these through holes cause to move cold-storage disk along cold-storage tank
One end that current can be gently from mobile cold-storage disk when moving longitudinally up and down flows to the other end, so as to weaken as far as possible to cold-storage water
The disturbance of trough inner water layer, further reduces thermocline thickness.
Brief description of the drawings
Fig. 1 is the structural representation of water cold storage control system of the present invention；
Fig. 2 is to move a kind of structural representation of implementation method of cold-storage disk；
Fig. 3 is the structural representation for moving cold-storage disk another embodiment；
In figure：1st, mobile cold-storage disk；1A, through hole；1B, sealing shell；1C, phase-change material for cold storage；2nd, cold-storage tank；3rd, on
Water-locator；4th, elevating mechanism；5th, fixed bit；6th, upper water distributor；7th, the first water pump；8th, refrigeration host computer；9th, heat exchanger is let cool；10、
Use cold end；11st, the second water pump；12nd, the second valve；13rd, the first valve；14th, lower water distributor；15th, lower water-dispensing device；16th, temperature is passed
Sensor；17th, temperature sensor clamping device；18th, controller；19th, drive mechanism.
Specific embodiment
Below in conjunction with embodiment and Figure of description, further detailed description, but tool of the invention are done to the present invention
Body implementation method not limited to this.
Embodiment
Such as Fig. 1, water cold storage control system of the present invention includes cold-storage tank 2, elevating mechanism 4, refrigeration host computer 8, lets cool heat exchange
Device 9, drive mechanism 19 and controller 18, the water inlet of refrigeration host computer 8, delivery port are respectively provided with the first water pump 7, the first valve
13, the water inlet for letting cool heat exchanger 9 is provided with the second water pump 11, the second valve 12, lets cool heat exchanger 9 and is also connected with cold end 10.
There are upper water distributor 6, the upper water distributor 3 being connected on water distributor 6, lower water distributor 14 and be connected to lower cloth in cold-storage tank 2
If lower water-dispensing device 15 on water pipe 14, mobile cold-storage disk 1 and the water temperature signal for measuring the different depth position of cold-storage tank 2
Dry temperature sensor 16；If dry temperature sensor 16 is connected with controller 18 respectively, the depth direction along cold-storage tank 2 is equidistant
Arrangement, i.e., longitudinal disposed at equal distance, and be fixed on temperature sensor clamping device 17, temperature sensor clamping device 17 is set
In the madial wall of cold-storage tank 2.
The upper end of mobile cold-storage disk 1 is connected with elevating mechanism 4, the other end connection drive mechanism 19 of elevating mechanism 4, and solid
It is scheduled on the fixed bit 5 directly over cold-storage tank 2.Controller 18 is connected with drive mechanism 19, the mechanism 19 driven of elevating mechanism 4
Drive, and drive mobile cold-storage disk 1 free to move longitudinally in cold-storage tank 2.Elevating mechanism 4 can be realized using spring, also may be used
Using spool and to be set around rope on spool and realize.Fixed bit 5 is located at the surface of cold-storage tank 2, is risen for fixed
The other end of descending mechanism 4 so that elevating mechanism, for spacing basic point, is only connected at it with this fixing point 5 with mobile cold-storage disk 1
One end just can freely move up and down.Fixed bit 5 is also subjected to move the suspended weights of cold-storage disk 1 simultaneously.
Mobile cold-storage disk 1 includes sealing shell 1B, and is packaged in some phase-change material for cold storage 1C in sealing shell 1B,
As shown in Fig. 2 the horizontal cross sectional geometry of mobile cold-storage disk is decided by the horizontal cross sectional geometry of cold-storage tank, the two should be geometrically
Substantially similar, i.e., both are similar geometric figure, for example, can be both circle, it is also possible to be both square.The present invention is being moved
Some through holes are opened on the vertical direction of dynamic cold-storage disk 1, cold-storage disk has been moved when being moved longitudinally up and down along cold-storage tank so as to it
Water energy between upper and lower surface gently flows to the other end from the one end for moving cold-storage disk, so as to weaken as far as possible to cold-storage tank
The disturbance of inner aqueous layer.Because mobile cold-storage disk 1 follows the trail of speed that mesolimnion moves up and down slowly, along with above-mentioned through hole 1A
Presence, the water layer in cold-storage tank 2 is hardly significantly disturbed, that is, thermoclinic thickness will not be made substantially to dislike
Change.Wherein, phase-change material for cold storage 1C has certain latent heat of phase change amount, and phase transformation temperature pointses in 4~8 DEG C of air conditioning water
In the range of cooling temperature, when water temperature is higher than its transformation temperature, phase-change material is changed into liquid phase by solid phase, while what it was stored is cold
Amount is discharged into water layer around；When water temperature is less than its transformation temperature, phase-change material is solid phase by liquid phase, absorbs surrounding water layer
In cold and store.Such as, the tetradecane is exactly a kind of feasible phase-change material for cold storage.
Mobile cold-storage disk 1 can also use structure as shown in Figure 3, if including hollow screen cloth 1D and being filled in screen cloth 1D
Dry cold-storage ball (cold-storage ball is not shown), cold-storage ball is made of phase-change material for cold storage, the upper surface of screen cloth 1D, lower surface and side
It is equipped with through hole 1E.Some full whole screen cloth 1D inner spaces of cold-storage ball filling, on the one hand avoid cold-storage ball in mobile cold-storage disk
Rolled in screen cloth when moving up and down and increase the disturbance to water layer, on the other hand make to be filled with cool storage material in screen cloth, improved
The cold-storage ability of cold-storage disk.
It is used to detect edge in cold-storage tank 2 along multiple temperature sensors 16 that the depth direction of cold-storage tank 2 is equidistantly distributed
The profiling temperatures of vertical direction, that is, detect the temperature signal of the different depth position of cold-storage tank 2, and testing result is transferred to
Controller 18.Controller 18 judges current mesolimnion position according to testing result, then by drive mechanism 19 and lifting
Mechanism 4 mobile cold-storage disk 1 is moved to current mesolimnion automatically where position.Judge current tiltedly temperature for the ease of controller 18
Layer position, the present invention temperature sensor 16 is numbered, for example from top to bottom number consecutively be 1,2,3 ..., n, often
The numbering of individual temperature sensor respectively corresponds to a depth location coordinate for determination in cold-storage tank, and controller is prestored entirely
The depth location coordinate of portion's temperature sensor.Under normal cold-storage and discharging, the temperature point in cold-storage tank 2 on vertical direction
Cloth is all one section of high-temperature region, one section of mesolimnion, one section of low-temperature space, and mesolimnion is the transition region between high-temperature region and low-temperature space.If
The temperature signal that controller 18 is detected according to temperature sensor find out transition region be located between i-th and k-th sensor, then when
Position of the preceding mesolimnion between i-th and kth sensor, it is interval in this position, further accurately calculated according to interpolation method
The distance of mobile cold-storage disk and the i-th sensor, and the distance with kth sensor.Wherein 1≤i≤n, 1≤k≤n.
The present invention under cold-storage operational mode, the first valve 13 is opened, and the second valve 12 is closed, the first water pump 7 and refrigeration
Main frame 8 is opened.The high-temperature water on the top of cold-storage tank 2 is gently sucked in upper water distributor 6 by upper water distributor 3, then by system
After cold main frame 8 is cooled to target cold-storage temperature (such as 4 DEG C), gently sent back to cold-storage along lower water distributor 14 and through lower water-dispensing device 15
The bottom of tank 2.Because the density of water at low temperature is big, bottom is sunk to naturally, therefore will not mix with the high-temperature water on top, but high,
Temperature transition layer between low temperature water layer, i.e., mesolimnion is clearly present.With the carrying out of cold-storage, the water at low temperature of bottom is more next
More, the high-temperature water on top is fewer and feweri, and mesolimnion is progressively moved from lower to upper, until reaching the top of cold-storage tank 2 then cold-storage
Terminate.
In cold-storage running, Series Temperature Transmitters 16 real-time detection of the controller 18 according to several equidistant arrangements
The Temperature Distribution for obtaining, controls the mobile automatic real-time track of cold-storage disk 1 to move to oblique temperature by drive mechanism 19 and elevating mechanism 5
In layer region.In above-mentioned tracking moving process, in mobile cold-storage disk 1 phase-change material for cold storage of encapsulation by with bottom water at low temperature
Heat exchange and absorb cold, solid-state is progressively changed into by liquid, store a number of cold.It is mobile at the end of cold-storage
Cold-storage disk 1 is moved to the upper end of cold-storage tank 2, and phase-change material for cold storage therein is completely transformed into solid-state, and mobile cold-storage disk 1 reaches
Cold-storage saturation state.
Similar, in the case where operational mode is let cool, the first valve 13 is closed, and the first water pump 7 and refrigeration host computer 8 are turned off, the
Two valves 12 are opened, and the second water pump 11 is opened.The water at low temperature of the bottom of cold-storage tank 2 is gently sucked down by lower water-dispensing device 15
In water distributor 14, then by letting cool heat exchanger 9 to the released cold quantity of cold end 10, temperature is increased to after rated value (such as 11 DEG C),
Gently sent back to the top of cold-storage tank 2 along upper water distributor 6 and through upper water distributor 3.Because the density of high-temperature water is small, float over naturally
Top, therefore will not mix with the water at low temperature of bottom, but the temperature transition layer between high and low temperature water layer, i.e., mesolimnion is also bright
Video memory.As the carrying out for letting cool, the high-temperature water on top are more and more, the water at low temperature of bottom is fewer and feweri, and mesolimnion is by upper
Down progressively move, until the lower curtate for reaching cold-storage tank 2 then lets cool end.
In running is let cool, the Temperature Distribution that controller is obtained according to the real-time detection of aforementioned temperature sensor 16 is led to
Overdrive mechanism 19, the mobile cold-storage of the control of elevating mechanism 4 is spelled 1 real-time tracking and is moved in mesolimnion region.Moved in above-mentioned tracking
During dynamic, in mobile cold-storage disk 1 phase-change material for cold storage of encapsulation by with its periphery water layer in higher temperature water heat exchange
And released cold quantity, it is progressively liquid by Solid State Transformation, while so that the water layer in the mesolimnion on the mobile periphery of cold-storage disk 1 is cooled
To the temperature grade for meeting cooling standard, also it is equivalent to reduce thermoclinic thickness, low-grade mesolimnion originally is stored
Cold is changed into more high-grade low-temperature receiver, so that the effective rate of utilization of cold-storage tank is increased substantially, running efficiency of system
Also it is obviously improved.At the end of letting cool, mobile cold-storage disk 1 is moved to the bottom of cold-storage tank 2, and phase-change material for cold storage therein is complete
Complete to be changed into liquid, the cold stored by mobile cold-storage disk 1 discharges completely.
As described above, the present invention can be better realized.
Claims (10)
1. a kind of water cold storage control system, it is characterised in that including cold-storage tank, mobile cold-storage disk, elevating mechanism, driving machine
If structure, controller and dry temperature sensor；If the dry temperature sensor is along cold-storage tank genesis analysis；The mobile cold-storage disk
It is connected with elevating mechanism, and in cold-storage tank；If the controller is connected with drive mechanism, dry temperature sensor respectively,
The drive mechanism is connected with elevating mechanism, if the cold-storage tank different depth position that controller is detected according to dry temperature sensor
The water temperature signal put judges current mesolimnion position, then by drive mechanism, elevating mechanism automatically mobile cold-storage disk
Position where being moved to current mesolimnion.
2. water cold storage control system according to claim 1, it is characterised in that the mobile cold-storage disk passes through elevating mechanism
Hang in cold-storage tank.
3. water cold storage control system according to claim 1, it is characterised in that the mobile cold-storage disk includes sealing shell
And some phase-change material for cold storage in sealing shell are packaged in, offered on the vertical direction of the sealing shell some logical
Hole.
4. water cold storage control system according to claim 1, it is characterised in that the mobile cold-storage disk includes hollow sieve
Net and some cold-storage balls being filled in screen cloth, the upper surface of the screen cloth, lower surface are provided with through hole.
5. water cold storage control system according to claim 4, it is characterised in that some full whole sieves of cold-storage balls filling
Net inner space.
6. the water cold storage control system according to claim 3 or 4, it is characterised in that the level of the mobile cold-storage disk is cut
Face shape is similar geometric figure to the horizontal cross sectional geometry of cold-storage tank.
7. water cold storage control system according to claim 1, it is characterised in that the elevating mechanism is spring, Huo Zhewei
Spool and the rope being set around on spool.
8. water cold storage control system according to claim 1, it is characterised in that if the dry temperature sensor is along cold-storage water
Groove is longitudinally uniformly distributed.
9. the water cold storage control method of water cold storage control system described in claim 1 is based on, it is characterised in that including following step
Suddenly：
S1, in cold-storage running, if the cold-storage tank that controller is obtained according to dry temperature sensor real-time detection is different deep
The water temperature signal for spending position judges to draw current mesolimnion position, by drive mechanism, the mobile cold-storage of elevating mechanism control
Disk real-time tracking is moved in mesolimnion region；In above-mentioned tracking moving process, the phase change cold-storage of encapsulation in mobile cold-storage disk
Material absorbs cold by the heat exchange with water at low temperature, is progressively changed into solid-state by liquid, stores cold；At the end of cold-storage,
Mobile cold-storage disk is moved to the top of cold-storage tank, and phase-change material for cold storage therein is completely transformed into solid-state, and mobile cold-storage disk reaches
To cold-storage saturation state；
S2, in running is let cool, if the cold-storage tank that controller is obtained according to dry temperature sensor real-time detection is different deep
The water temperature signal for spending position judges to draw current mesolimnion position, by drive mechanism, the mobile cold-storage of elevating mechanism control
Disk real-time tracking is moved in mesolimnion region；In above-mentioned tracking moving process, the phase change cold-storage of encapsulation in mobile cold-storage disk
Material released cold quantity by the heat exchange with high-temperature water, is progressively liquid by Solid State Transformation, while so that mobile cold-storage disk periphery
Mesolimnion in water layer be cooled to the temperature grade for meeting cooling standard；At the end of letting cool, mobile cold-storage disk is moved to
The bottom of cold-storage tank, phase-change material for cold storage therein is completely transformed into liquid, and the cold stored by mobile cold-storage disk is released completely
Put.
10. water cold storage control method according to claim 9, it is characterised in that if in advance to the dry temperature sensor
The numbering of 1-n is carried out, the numbering of each temperature sensor respectively corresponds to a depth location coordinate for determination in cold-storage tank,
The controller prestores the depth location coordinate of whole temperature sensors；If if controller is examined according to dry temperature sensor
The water temperature signal of the cold-storage tank different depth position of survey finds out the oblique warm area positioned at i-th temperature sensor and k-th temperature
Position between degree sensor is interval, then go out mobile cold-storage disk according to interpolation calculation in position interval and the i-th temperature is passed
The distance of sensor, and the distance with kth temperature sensor, wherein 1≤i≤n, 1≤k≤n.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611135816.0A CN106705296A (en) | 2016-12-09 | 2016-12-09 | Water cool storage control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611135816.0A CN106705296A (en) | 2016-12-09 | 2016-12-09 | Water cool storage control system and method |
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| Publication Number | Publication Date |
|---|---|
| CN106705296A true CN106705296A (en) | 2017-05-24 |
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ID=58936637
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| CN201611135816.0A Withdrawn CN106705296A (en) | 2016-12-09 | 2016-12-09 | Water cool storage control system and method |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931616A (en) * | 2018-07-19 | 2018-12-04 | 天津赛普瑞实验设备有限公司 | A kind of temperature automatically controlled digestion instrument that can deaerate in real time to dissolution medium |
| CN111780298A (en) * | 2020-07-09 | 2020-10-16 | 南京达实能源技术有限公司 | Water cold-storage system based on phase change energy storage cold-storage tank |
| WO2022000168A1 (en) * | 2020-06-28 | 2022-01-06 | 南京达实能源技术有限公司 | Cold water storage system based on phase-change energy storage material cold storage tank |
-
2016
- 2016-12-09 CN CN201611135816.0A patent/CN106705296A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931616A (en) * | 2018-07-19 | 2018-12-04 | 天津赛普瑞实验设备有限公司 | A kind of temperature automatically controlled digestion instrument that can deaerate in real time to dissolution medium |
| WO2022000168A1 (en) * | 2020-06-28 | 2022-01-06 | 南京达实能源技术有限公司 | Cold water storage system based on phase-change energy storage material cold storage tank |
| CN111780298A (en) * | 2020-07-09 | 2020-10-16 | 南京达实能源技术有限公司 | Water cold-storage system based on phase change energy storage cold-storage tank |
| CN111780298B (en) * | 2020-07-09 | 2021-10-29 | 南京达实能源技术有限公司 | Water cold-storage system based on phase change energy storage cold-storage tank |
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