CN206274196U - A kind of water cold storage control system - Google Patents
A kind of water cold storage control system Download PDFInfo
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- CN206274196U CN206274196U CN201621353132.3U CN201621353132U CN206274196U CN 206274196 U CN206274196 U CN 206274196U CN 201621353132 U CN201621353132 U CN 201621353132U CN 206274196 U CN206274196 U CN 206274196U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a kind of water cold storage control system, if including cold-storage tank, mobile cold-storage disk, elevating mechanism, drive mechanism, controller and dry temperature sensor；If the dry temperature sensor is along cold-storage tank genesis analysis；The mobile cold-storage disk 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 water temperature signal of the cold-storage tank different depth position that controller is detected according to dry temperature sensor judges current mesolimnion position, then the position where mobile cold-storage disk is moved to current mesolimnion automatically by drive mechanism, elevating mechanism.The utility model can accurately detect mesolimnion where position, move to mesolimnion released cold quantity to control to move cold-storage disk, reduce thermoclinic thickness, significantly improve the cold-storage tank utilization rate and operational efficiency of chilled water storage system.
Description
Technical field
The utility model is related to water cool-storage technology field, specially a kind of water cold storage control system.
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 utility model provides a kind of water cold storage control system
System, the system released cold quantity, the thermoclinic thickness of diminution by the way of mobile cold-storage disk, significantly improves chilled water storage system
Cold-storage tank utilization rate and operational efficiency.
The utility model water cold storage control system includes cold-storage tank, mobile cold-storage disk, elevating mechanism, drive mechanism, control
If device processed and dry temperature sensor；If the dry temperature sensor is along cold-storage tank genesis analysis；The mobile cold-storage disk and liter
Descending mechanism is connected, and in cold-storage tank；If the controller is connected with drive mechanism, dry temperature sensor respectively, described
Drive mechanism is connected with elevating mechanism, if the cold-storage tank different depth position that is detected according to dry temperature sensor of controller
Water temperature signal judges current mesolimnion position, then mobile cold-storage disk is moved automatically by drive mechanism, elevating mechanism
Position to where current 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.
Compared with prior art, the utility model has the following 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 the utility model water cold storage control system；
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 this practicality are done to the utility model
New specific embodiment not limited to this.
Embodiment
Such as Fig. 1, the utility model water cold storage control system includes cold-storage tank 2, elevating mechanism 4, refrigeration host computer 8, lets cool
Heat exchanger 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
Door 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 also connects with cold end 10
Connect.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 down in cold-storage tank 2
Lower water-dispensing device 15 on water distributor 14, mobile cold-storage disk 1 and the water temperature signal for measuring the different depth position of cold-storage tank 2
If 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
From arrangement, i.e., longitudinal disposed at equal distance, and it is fixed on temperature sensor clamping device 17, temperature sensor clamping device 17 sets
Put the madial wall in 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 utility model
Some through holes are opened on the vertical direction of mobile cold-storage disk 1, has been moved when being moved longitudinally up and down along cold-storage tank so as to it and stored
Water energy between the upper and lower surface of cold dish 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
The disturbance of tank 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 logical
The presence of hole 1A, the water layer in cold-storage tank 2 is hardly significantly disturbed, that is, thermoclinic thickness will not be made bright
It is aobvious to deteriorate.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 cold
Freeze in the range of water cooling temperature, when water temperature is higher than its transformation temperature, phase-change material is changed into liquid phase by solid phase, while it is stored
Cold be 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
Cold in water layer is simultaneously stored.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, be numbered for temperature sensor 16 by the utility model, for example from top to bottom number consecutively be 1,2,3 ...,
N, the numbering of each temperature sensor respectively corresponds to a depth location coordinate for determination in cold-storage tank, and controller is deposited in advance
The depth location coordinate of the whole temperature sensors of storage.Under normal cold-storage and discharging, the temperature in cold-storage tank 2 on vertical direction
Degree distribution is all one section of high-temperature region, one section of mesolimnion, one section of low-temperature space, and mesolimnion is the transition between high-temperature region and low-temperature space
Area.If the temperature signal that controller 18 is detected according to temperature sensor find out transition region positioned at i-th and k-th sensor it
Between, then position of the current mesolimnion between i-th and kth sensor, interval in this position, further accurate according to interpolation method
Calculate 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 utility model under cold-storage operational mode, opened by the first valve 13, and the second valve 12 is closed, the He of the first water pump 7
Refrigeration host computer 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 is passed through
Cross after refrigeration host computer 8 is cooled to target cold-storage temperature (such as 4 DEG C), gently sent back to along lower water distributor 14 and through lower water-dispensing device 15
The bottom of cold-storage 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
Temperature transition layer between high and low temperature water layer, i.e., mesolimnion is clearly present.With the carrying out of cold-storage, the water at low temperature of bottom
More and 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 terminates.
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, just can preferably realize the utility model.
Claims (8)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621353132.3U CN206274196U (en) | 2016-12-09 | 2016-12-09 | A kind of water cold storage control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621353132.3U CN206274196U (en) | 2016-12-09 | 2016-12-09 | A kind of water cold storage control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206274196U true CN206274196U (en) | 2017-06-23 |
Family
ID=59063246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621353132.3U Active CN206274196U (en) | 2016-12-09 | 2016-12-09 | A kind of water cold storage control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206274196U (en) |
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2016
- 2016-12-09 CN CN201621353132.3U patent/CN206274196U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510520 202, second, 604, 604, Guang Shan two road, Tianhe District, Guangzhou, Guangdong. Patentee after: Guangdong High Water Energy Technology Co.,Ltd. Address before: 510520 406, fourth, 604, 604, Guang Shan two road, Tianhe District, Guangzhou, Guangdong. Patentee before: GUANGZHOU GAOLING ENERGY TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180730 Address after: 510520 202, second, 604, 604, Guang Shan two road, Tianhe District, Guangzhou, Guangdong. Patentee after: Guangzhou ice wheel high Ling Energy Saving Technology Co.,Ltd. Address before: 510520 202, second, 604, 604, Guang Shan two road, Tianhe District, Guangzhou, Guangdong. Patentee before: Guangdong High Water Energy Technology Co.,Ltd. |