CN108089628A - A kind of cooling unit intelligence control system and method for realizing Demand Side Response - Google Patents
A kind of cooling unit intelligence control system and method for realizing Demand Side Response Download PDFInfo
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- CN108089628A CN108089628A CN201711366090.6A CN201711366090A CN108089628A CN 108089628 A CN108089628 A CN 108089628A CN 201711366090 A CN201711366090 A CN 201711366090A CN 108089628 A CN108089628 A CN 108089628A
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- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
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Abstract
This application discloses a kind of cooling unit intelligence control system and method for realizing Demand Side Response, which includes：First control unit gathers the first multi-energy data and is handled it to generate the control component of cold unit and cold cold water flow variable frequency pump, and Cold water-out temperature and cold cold water flow variable frequency pump are controlled according to control component；Second control unit gathers the second multi-energy data and is handled it to generate the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump, and cold-storage device cold water flow variable frequency pump is controlled；First multi-energy data includes system gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow and the first preset value；First preset value includes system gross electric capacity limit value, refrigeration total load setting value and cold power adjustment mode switch state signal.The program is realized according to adjustment of the power consumption restrictive condition to the cooling power of the assembling unit, and the system of ensure that can adapt to different working condition requirements, safe and stable operation.
Description
Technical field
The present embodiments relate to heat supply process, espespecially a kind of cooling unit intelligence control system for realizing Demand Side Response
And method.
Background technology
Demand Side Management (Demand Side Management, DSM) refers under government regulation and policy support,
Effective excitation and guiding measure and suitable function mode are taken, passes through power grid enterprises, energy services enterprise, power consumer
Deng pulling together jointly, the related management activity that scientific utilization of electricity, using electricity wisely, ordered electric are carried out is realized.Power retailing city at present
Field, which also generally performs, to be unrelated with the time, it is impossible to effectively reflection Capacity Cost and marginal power supply cost variable prices.This side
Face is because traditionally government department and power department all think that power consumer is unwilling to fluctuate at any time in face of any type of
Price.But present consumer has in fact carry power cost in the form of actuarial cost (risk income)
Various poor efficiency in fluctuation and power supply chain, because certain in 1 year is several small in the annual electricity charge of all consumers
When and add it is many, if the load of these hours, which can be reduced or shift, will also generate electricity of several hours than that
Take much bigger long-term effect and external effect.If consumer is placed in now the power supply value and cost of real variation
In front, them is allowed to make a choice between different values and supply of electric power, some consumers may be selected sometimes
Receive power failure or reduction plans, to avoid fancy price and obtain certain compensation, and other consumer can select to connect
It is required to ensure to power by fancy price.Electricity change No. 9 text will " actively develop demand Side Management and energy efficiency management, it is perfect
Ordered electric and using electricity wisely system " is included in five basic principle important contents, clearly will " by with modern information technologies,
It cultivates electric energy service, implement demand response etc., promote the equilibrium of supply and demand and energy-saving and emission-reduction ".Demand Side Response needs to be reduced with energy person
Peak load electricity consumption, and at the time of the peak value power consumption moment is often power load maximum, this just needs side response according to demand
Certain control strategy is taken, adjusts the relevant parameter of cooling and warming unit, ensures that power consumption does not transfinite.
The content of the invention
In order to solve the above-mentioned technical problem, an embodiment of the present invention provides the cooling units for realizing Demand Side Response intelligently to control
System and method processed can be implemented the adjustment to the cooling power of the assembling unit, ensure that system can adapt to according to power consumption restrictive condition
Different working condition requirements, safe and stable operation.
In order to reach purpose of the embodiment of the present invention, an embodiment of the present invention provides a kind of confession cold for realizing Demand Side Response
Group intelligence control system, the system include：First control unit and the second control unit；
First control unit for gathering the first multi-energy data, and is handled the first multi-energy data, to generate respectively
The control component of cold unit and cold cold water flow variable frequency pump, and the cold water of cold unit is gone out respectively according to the control component
Coolant-temperature gage and cold cold water flow variable frequency pump are controlled；
Second control unit for gathering the second multi-energy data, and is handled second multi-energy data, is stored with generating
The controlled quentity controlled variable of device for cooling cold water flow variable frequency pump, and it is cold to cold-storage device according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump
Water flow variable frequency pump is controlled；
Wherein, the first multi-energy data includes：System gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow
And one or more first preset values；First preset value includes：System gross electric capacity limit value, refrigeration total load setting value and
Cold power adjustment mode switch state signal；Cold unit uses energy equipment for generating cold water and being supplied to；Cold-storage device is used
In in electricity consumption by released cold quantity in limited time.
Optionally, the first control unit includes：The first acquisition module, first processing module and the first control being sequentially connected
Module；
First acquisition module, for gathering first multi-energy data；
First processing module, for calculating the control component of cold unit and cold cold water flow according to the first multi-energy data
The control component of variable frequency pump；And the Cold water-out temperature of cold unit is controlled according to the control component of cold unit；
First control module, for the control component according to cold cold water flow variable frequency pump and the first multi-energy data to cold
Cold water flow variable frequency pump is controlled.
Optionally, first processing module includes：
System gross electric capacity controller, for calculating the first control according to system gross electric capacity and system gross electric capacity limit value
Component processed；
First selector, for selecting smaller signal from the first control component of input and refrigeration total load setting value
It is exported as the second control component；
Unit refrigeration work consumption controller, for calculating the 3rd control according to the second control component and cold unit refrigeration work consumption
Component；
First unit water outlet temperature setting value calculator, for calculating the 4th control component according to the 3rd control component；
Second unit water outlet temperature setting value calculator, for calculating the 5th control component according to the 3rd control component；
First unit cold water flow preset value calculation device, for calculating the 6th control component according to the 3rd control component；
Second unit cold water flow preset value calculation device, for calculating the 7th control component according to the 3rd control component；
Second selector is set respectively with the first unit water outlet temperature setting value calculator and the second unit leaving water temperature
Point calculator is connected, for being believed according to the 4th control component, the 5th control component and cold power adjustment mode on off state
Number calculate handpiece Water Chilling Units cold water temperature duty setting signal, and by cold water temperature duty setting signal input handpiece Water Chilling Units, as cold
The cold water temperature setting value of machine unit；
Third selector, respectively with the first unit cold water flow preset value calculation device and the second unit cold water flow setting value
Calculator is connected, cold for being calculated according to the 6th control component, the 7th control component and cold power adjustment mode status signal
The control component of machine cold water flow variable frequency pump.
Optionally, the first control module includes：
Cold unit flow controller, is connected with third selector, for the control according to cold cold water flow variable frequency pump
Component and cold unit cold water flow are implemented to control to cold cold water flow variable frequency pump.
Optionally, the second control unit includes：The second acquisition module and Second processing module being connected with each other；
Second acquisition module, for gathering the second multi-energy data；
Second processing module, for calculating the control of cold-storage device cold water flow variable frequency pump according to the second multi-energy data of acquisition
Amount processed；And cold-storage device cold water flow variable frequency pump is controlled according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump.
Optionally, the second multi-energy data includes：Cold unit refrigeration work consumption, cold-storage storage, release can power, cold-storage device it is cold
Water flow and one or more second preset values；
Second preset value includes：Refrigeration total load setting value releases energy time setting value and cold-storage device selecting switch state
Signal.
Optionally, Second processing module includes：
First calculator, for calculating the 8th control point according to refrigeration total load setting value and cold unit refrigeration work consumption
Amount；
Second calculator, for controlling component with energy time preset value calculation the 9th is released according to cold-storage storage；
4th selector, for according to the 8th controlled quentity controlled variable calculated, the 9th control component and cold-storage device selecting switch
The controlled quentity controlled variable of energy controller is released in status signal calculating；
Energy controller is released, for according to the controlled quentity controlled variable and the cold water flow for releasing energy power calculation cold-storage device for releasing energy controller
Controlled quentity controlled variable；
Cold-storage device cold water flow controller, for controlled quentity controlled variable and the feedback acquisition of the cold water flow according to cold-storage device
Cold-storage device cold water flow calculates the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump, and according to cold-storage device cold water flow frequency conversion
The controlled quentity controlled variable of pump controls cold-storage device cold water flow variable frequency pump.
The embodiment of the present invention additionally provides a kind of cooling unit intelligent control method for realizing Demand Side Response, this method bag
It includes：
The first multi-energy data is gathered, and the first multi-energy data is handled, it is cold to generate cold unit and cold respectively
The control component of water flow variable frequency pump, and according to control the component Cold water-out temperature to cold unit and cold cold water stream respectively
Amount variable frequency pump is controlled；
The second multi-energy data is gathered, and the second multi-energy data is handled, to generate cold-storage device cold water flow frequency conversion
The controlled quentity controlled variable of pump, and cold-storage device cold water flow variable frequency pump is controlled according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump
System；
Wherein, the first multi-energy data includes：System gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow
And one or more first preset values；First preset value includes：System gross electric capacity limit value, refrigeration total load setting value and
Cold power adjustment mode switch state signal；Cold unit uses energy equipment for generating cold water and being supplied to；Cold-storage device is used
In in electricity consumption by released cold quantity in limited time.
Optionally,
Second multi-energy data includes：Cold unit refrigeration work consumption, cold-storage storage release energy power, cold-storage device cold water flow
And one or more second preset values；
Second preset value includes：Refrigeration total load setting value releases energy time setting value and cold-storage device selecting switch state
Signal.
Optionally, the first multi-energy data is handled, to generate cold unit and cold cold water flow variable frequency pump respectively
Control component include：
First control component is calculated according to system gross electric capacity and system gross electric capacity limit value；
Smaller signal is selected from the first control component and refrigeration total load setting value to carry out as the second control component
Output；
3rd control component is calculated according to the second control component and cold unit refrigeration work consumption；
4th control component, the 5th control component, the 6th control component and the 7th control are calculated according to the 3rd control component
Component；
Cooling-water machine is calculated according to the 4th control component, the 5th control component and cold power adjustment mode switch state signal
The cold water temperature duty setting signal of group, and cold water temperature duty setting signal is inputted into handpiece Water Chilling Units, the cold water as cold unit
Desired temperature；
It is cold that cold is calculated according to the 6th control component, the 7th control component and cold power adjustment mode switch state signal
The control component of water flow variable frequency pump.
The embodiment of the present invention includes：First control unit, for gathering the first multi-energy data, and to the first multi-energy data into
Row processing to generate the control component of cold unit and cold cold water flow variable frequency pump respectively, and is distinguished according to the control component
Cold water-out temperature and cold cold water flow variable frequency pump to cold unit control；Second control unit, for gathering the
Two multi-energy datas, and second multi-energy data is handled, to generate the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump, and
Cold-storage device cold water flow variable frequency pump is controlled according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump；Wherein, first
Multi-energy data includes：System gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow and one or more first
Preset value；First preset value includes：System gross electric capacity limit value, refrigeration total load setting value and cold power adjustment mode are opened
Off status signal；Cold unit uses energy equipment for generating cold water and being supplied to；Cold-storage device is used in electricity consumption by limited release
Cold.By the embodiment scheme, the adjustment according to power consumption restrictive condition, implemented to the cooling power of the assembling unit is realized, is ensured
System can adapt to different working condition requirements, safe and stable operation.
The other feature and advantage of the embodiment of the present invention will illustrate in the following description, also, partly from explanation
It becomes apparent in book or is understood by implementing the embodiment of the present invention.The purpose of the embodiment of the present invention and other advantages
It can realize and obtain by specifically noted structure in specification, claims and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical solution of the embodiment of the present invention, and one of constitution instruction
Point, for explaining the technical solution of the embodiment of the present invention together with embodiments herein, do not form to the embodiment of the present invention
The limitation of technical solution.
Fig. 1 is the cooling unit intelligence control system simple structure signal of the realization Demand Side Response of the embodiment of the present invention
Figure；
Fig. 2 is the cooling water supply system schematic diagram of the embodiment of the present invention；
Fig. 3 is the first control unit structure diagram of the embodiment of the present invention；
Fig. 4 is the second control unit structure diagram of the embodiment of the present invention；
Fig. 5 is the cooling unit intelligence control system detailed construction schematic diagram of the realization Demand Side Response of the embodiment of the present invention
Schematic diagram.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are more clearly understood, below in conjunction with attached drawing pair
The embodiment of the present invention is described in detail.It should be noted that in the case where there is no conflict, embodiment and reality in the application
Applying the feature in example can mutually be combined.
Step shown in the flowchart of the accompanying drawings can be in the computer system of such as a group of computer-executable instructions
It performs.Also, although logical order is shown in flow charts, it in some cases, can be to be different from herein suitable
Sequence performs shown or described step.
In order to reach purpose of the embodiment of the present invention, an embodiment of the present invention provides a kind of confession cold for realizing Demand Side Response
Group intelligence control system, as shown in Figure 1, the system includes：First control unit 1 and the second control unit 2；
First control unit 1 for gathering the first multi-energy data, and is handled the first multi-energy data, to give birth to respectively
Into cold unit P01 and the control component of cold cold water flow variable frequency pump P101, and according to the control component respectively to cold machine
The Cold water-out temperature and cold cold water flow variable frequency pump P101 of group P01 is controlled；
Second control unit 2 for gathering the second multi-energy data, and is handled second multi-energy data, with generation
The controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump P102, and according to the controlled quentity controlled variable pair of cold-storage device cold water flow variable frequency pump P102
Cold-storage device cold water flow variable frequency pump P102 is controlled；
Wherein, the first multi-energy data can include：System gross electric capacity Pe, cold unit refrigeration work consumption Pc, cold unit
Cold water flow F1 and one or more first preset values；First preset value can include：System gross electric capacity limit value
Pel, refrigeration total load setting value Ptc and cold power adjustment mode switch state signal Ts.Cold unit P01 is cold for generating
Water is simultaneously supplied to energy equipment；Cold-storage device P02 is used in electricity consumption by released cold quantity in limited time.
In embodiments of the present invention, as shown in Fig. 2, cooling water supply system schematic diagram for the embodiment of the present invention.Wherein, it is cold
Machine unit P01 uses energy equipment for generating cold water and being supplied to；Cold unit P01 and cold cold water flow variable frequency pump P101 phases
Even, cold cold water flow variable frequency pump P101 is used to implement frequency control to cold unit P01.Cold-storage device P02 be used for
Electricity is by released cold quantity in limited time；Cold-storage device P02 and cold-storage device cold water flow variable frequency pump P102, cold-storage device cold water flow frequency conversion
P102 is pumped to be used to implement frequency control to cold-storage device P02.
In embodiments of the present invention, based on above-mentioned cooling water supply system, a kind of confession for realizing Demand Side Response is provided
Cold group intelligence control system can gather different multi-energy datas respectively by two control units respectively, to realize to this
The Cold water-out temperature of cold unit P01 in cooling water supply system, cold cold water flow variable frequency pump P101 and cold-storage device are cold
The closed-loop control of water flow variable frequency pump P102.
In embodiments of the present invention, the control system is using system gross electric capacity and unit refrigeration work consumption serials control plan
Slightly, and the closed-loop control of selection control leaving water temperature and cold water flow various combination pattern realization system gross electric capacity is passed through, into
And realize Demand Side Response control；And the control system according to can demand disruption calculate energy storage equipment release can power or
Energy storage equipment is calculated according to constant rate of speed in specified time section and release energy power, select different control model realizations can power to releasing
Closed-loop control.
Optionally, as shown in Fig. 3, Fig. 5, the first control unit 1 can include：The first acquisition module 11 for being sequentially connected,
12 and first control module 13 of first processing module；
First acquisition module 11, for gathering the first multi-energy data.
In embodiments of the present invention, which can respectively set according to the different multi-energy datas gathered
Corresponding device is put, for example, power meter, flowmeter, limit switch, relay etc..
First processing module 12, it is cold for calculating the control component of cold unit P01 and cold according to the first multi-energy data
The control component of water flow variable frequency pump P101；And water temperature is gone out to the cold water of cold unit according to the control component of cold unit P01
Degree is controlled.
Optionally, first processing module 12 can include：
System gross electric capacity controller A1, based on according to system gross electric capacity Pe and system gross electric capacity limit value Pel
Calculate the first control component.
In embodiments of the present invention, system gross electric capacity Pe is inputted as the measurement of system gross electric capacity controller A1, is
The gross electric capacity limit value Pel that unites is inputted as the setting of system gross electric capacity controller A1, system gross electric capacity controller A1's
Control algolithm can include but is not limited to pid algorithm (proportional-integral-differential algorithm) or PI algorithms (proportional, integral algorithm).
First selector S1 is smaller for being selected from the first control component of input and refrigeration total load setting value Ptc
Signal as second control component exported.
In embodiments of the present invention, the output A1O of system gross electric capacity controller A1 and refrigeration total load setting value Ptc
Input as first selector S1；First selector S1 may be employed it is low select device, i.e., from the first control component of input and
Smaller signal is selected in refrigeration total load setting value Ptc to be exported as the second control component.
Unit refrigeration work consumption controller A2, for calculating the 3rd according to the second control component and cold unit refrigeration work consumption Pc
Control component.
In embodiments of the present invention, settings of the output S1O of first selector S1 as unit refrigeration work consumption controller A2
Input, cold unit refrigeration work consumption Pc are inputted as the measurement of unit refrigeration work consumption controller A2.Unit refrigeration work consumption controller
The control algolithm of A2 can include but is not limited to pid algorithm or PI algorithms, and wherein cold unit refrigeration work consumption Pc can be according to cold water
Unit import and export water temperature and cold water flow are calculated, and are repeated no more herein.
First unit water outlet temperature setting value calculator A31, for calculating the 4th control component according to the 3rd control component；
Second unit water outlet temperature setting value calculator A32, for calculating the 5th control component according to the 3rd control component；
First unit cold water flow preset value calculation device A33, for calculating the 6th control component according to the 3rd control component；
Second unit cold water flow preset value calculation device A34, for calculating the 7th control component according to the 3rd control component.
In embodiments of the present invention, the output A2O of unit refrigeration work consumption controller A2 goes out water temperature respectively as the first unit
Spend input and the first unit cold water flow of preset value calculation device A31 and the second unit water outlet temperature setting value calculator A32
The input of preset value calculation device A33 and the second unit cold water flow preset value calculation device A34.
In embodiments of the present invention, the output A31O and the second unit of the first unit water outlet temperature setting value calculator A31
The output A32O of water outlet temperature setting value calculator A32 inputs A2O with it can be in a linear relationship.For example, A31O=a*A2O+
b；Wherein, a is linear coefficient, and b is constant；Can A2O be met according to the linear relationship：During 0~50% situation of change,
So that corresponding A31O meets：Variation between 12 DEG C~7 DEG C.In another example A32O=c*A2O+d；Wherein, c is linear coefficient,
D is constant；And can A2O be met according to the linear relationship：During 50~100% situation of change so that corresponding
A32O meets：Variation between 12 DEG C~7 DEG C.
In embodiments of the present invention, the output A33O and the second unit of the first unit cold water flow preset value calculation device A33
The output A34O of cold water flow preset value calculation device A34 inputs A2O with it can also be in a linear relationship.For example, A33O=e*A2O
+f；Wherein, e is linear coefficient, and f is constant；Can A2O be met according to the linear relationship：50~100% situation of change
When so that corresponding A33O meets：The situation of change of 70%*Fe~100%*Fe.In another example A34O=g*A2O+h；Wherein, g
For linear coefficient, h is constant；And can A2O be met according to the linear relationship：During 0~50% situation of change so that
Corresponding A34O meets：The situation of change of 70%*Fe~100%*Fe.Wherein, Fe is unit cold water metered flow value.
Second selector S2, respectively with the first unit water outlet temperature setting value calculator A31 and the second unit water outlet
Desired temperature calculator A32 is connected, for being opened according to the 4th control component, the 5th control component and cold power adjustment mode
Off status signal Ts calculates the cold water temperature duty setting signal of handpiece Water Chilling Units P01, and the input of cold water temperature duty setting signal is cold
Water dispenser group P01, the cold water temperature setting value as handpiece Water Chilling Units P01.
In embodiments of the present invention, the output A31O and the second unit of the first unit water outlet temperature setting value calculator A31
The output A32O of water outlet temperature setting value calculator A32 is respectively as the input 1 of second selector S2 and input 2, cold power
Inputs 3 of the adjustment modes switch state signal Ts as second selector S2.When Ts is ON, the output of second selector S2
S2O is input 1, and when Ts is OFF, the output S2O of second selector S2 is inputs 2, the output signal S2O of second selector S2
As the cold water temperature duty setting signal of cold unit P01, the control component as cold unit P01.
Third selector S3, respectively with the first unit cold water flow preset value calculation device A33 and the second unit cold water flow
Preset value calculation device A34 is connected, for switching shape according to the 6th control component, the 7th control component and cold power adjustment mode
State signal Ts calculates the control component of cold cold water flow variable frequency pump P101.
In embodiments of the present invention, the output A33O and the second unit of the first unit cold water flow preset value calculation device A33
The output A34O of cold water flow preset value calculation device A34 is respectively as the input 1 of third selector S3 and input 2, cold power
Inputs 3 of the adjustment modes switch state signal Ts as third selector S3.When Ts is ON, the output of third selector S3
S3O is input 1, and when Ts is OFF, the output S3O of third selector S3 is input 2.
First control module 13, for the control component and the first multi-energy data according to cold cold water flow variable frequency pump P101
Cold cold water flow variable frequency pump P101 is controlled.
Optionally, the first control module 13 can include：
Cold unit flow controller A4, is connected with third selector S3, for according to cold cold water flow variable frequency pump
The control component and cold unit cold water flow F1 of P101 is implemented to control to cold cold water flow variable frequency pump P101.
In embodiments of the present invention, the output signal S3O of third selector S3 is as cold unit flow controller A4's
Setting value input signal, measured value input signals of the cold unit cold water flow F1 as cold unit flow controller A4 are cold
The control algolithm of machine unit flow controller A4 can include but is not limited to pid algorithm (proportional integral differential control algorithm) or
PI algorithms (proportional, integral control algolithm), the output signal A4O of cold unit flow controller A4 are exported to cold water variable frequency pump
P101 implements to control, so as to control cold water by cold cold water flow variable frequency pump P101 to cold cold water flow variable frequency pump P101
Flow.
Optionally, as shown in Figure 4, Figure 5, the second control unit 2 can include：21 He of the second acquisition module being connected with each other
Second processing module 22；
Second acquisition module 21, for gathering the second multi-energy data；
Optionally, the second multi-energy data can include：Total load setting value of freezing Ptc, cold unit refrigeration work consumption Pc, store
Cold storage Ws, energy time setting value Tss, cold-storage device selecting switch status signal Ss are released, releases energy power P ss and cold-storage device
Cold water flow F2.
In embodiments of the present invention, which can respectively set according to the different multi-energy datas gathered
Corresponding device is put, for example, power meter, flowmeter, timer, limit switch, relay etc..
Second processing module 22, for calculating cold-storage device cold water flow variable frequency pump according to the second multi-energy data of acquisition
The controlled quentity controlled variable of P102；And according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump P102 to cold-storage device cold water flow variable frequency pump
P102 is controlled.
Optionally, Second processing module 22 can include：
First calculator C1, for calculating the 8th according to refrigeration total load setting value Ptc and cold unit refrigeration work consumption Pc
Control component.
In embodiments of the present invention, refrigeration total load setting value Ptc, cold unit refrigeration work consumption Pc are the first calculating respectively
The input 1 of device C1 and input 2, the output of the first calculator C1 can include the deviation of Ptc and Pc, can also include passing through other
The result of calculation that preset algorithm obtains.
Second calculator C2, for calculating the 9th control component with energy time setting value Tss is released according to cold-storage storage Ws.
In embodiments of the present invention, the accumulation of energy storage Ws of cold-storage device P02, release can time Tss be the second calculator respectively
The input 1 of C2 and input 2；The output of second calculator C2 can include accumulation of energy storage Ws and release can the ratio between time Tss, can be with
Including the result of calculation obtained by other preset algorithms.
4th selector S4, for according to the 8th control component, the 9th control component and the cold-storage device selection calculated
The controlled quentity controlled variable of energy controller is released in switch state signal Ss calculating.
In embodiments of the present invention, inputs 1 of the output C1O of the first calculator C1 as the 4th selector S4, the second meter
Inputs 2 of the output C2O of device C2 as the 4th selector S4 is calculated, cold-storage device selecting switch status signal Ss is as the 4th selection
The input 3 of device S4；When Ss is ON, the output of the 4th selector S4 is input 1, and when Ss is OFF, the 4th selector S4's is defeated
Go out for input 2.
Energy controller B1 is released, the controlled quentity controlled variable of energy controller is released for basis and releases the cold of energy power P ss calculating cold-storage devices
The controlled quentity controlled variable of water flow.
In embodiments of the present invention, the output S4O of the 4th selector S4 releases energy as the setting input for releasing energy controller B1
For power P ss as the measurement input for releasing energy controller B1, the control algolithm for releasing energy controller B1 can include but is not limited to PID calculations
Method or PI algorithms, wherein releasing energy power P ss can be calculated according to cold-storage device import and export water temperature and cold water flow, herein
It repeats no more.
Cold-storage device cold water flow controller B2 obtains for the controlled quentity controlled variable and feedback of the cold water flow according to cold-storage device
Cold-storage device cold water flow F2 calculate the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump P102, and according to cold-storage device cold water
The controlled quentity controlled variable of flow variable frequency pump P102 controls cold-storage device cold water flow variable frequency pump P102.
In embodiments of the present invention, the output B1O of energy controller B1 is released as cold-storage device cold water flow controller B2's
Given input, cold-storage device cold water flow F2 are inputted as the measurement of cold-storage device cold water flow controller B2, and cold-storage device is cold
The control algolithm of water flow controller B2 can include but is not limited to pid algorithm or PI algorithms, the control of cold-storage device cold water flow
Input signals of the output B2O of device B2 as cold-storage device flow variable frequency pump P102.
The embodiment of the present invention additionally provides a kind of cooling unit intelligent control method for realizing Demand Side Response, this method bag
It includes：
The first multi-energy data is gathered, and the first multi-energy data is handled, to generate cold unit P01 and cold respectively
The control component of cold water flow variable frequency pump P101, and according to control component respectively to the Cold water-out temperature of cold unit P01 and
Cold cold water flow variable frequency pump P101 is controlled；
The second multi-energy data is gathered, and the second multi-energy data is handled, to generate cold-storage device cold water flow frequency conversion
The controlled quentity controlled variable of P102 is pumped, and according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump P102 to cold-storage device cold water flow frequency conversion
Pump P102 is controlled；
Wherein, the first multi-energy data can include：System gross electric capacity Pe, cold unit refrigeration work consumption Pc, cold unit
Cold water flow F1 and one or more first preset values；First preset value can include：System gross electric capacity limit value
Pel, refrigeration total load setting value Ptc and cold power adjustment mode switch state signal Ts.Cold unit P01 is cold for generating
Water is simultaneously supplied to energy equipment；Cold-storage device P02 is used in electricity consumption by released cold quantity in limited time.
Optionally,
Second multi-energy data includes：Cold unit refrigeration work consumption Pc, cold-storage storage Ws, release can power P ss, cold-storage device it is cold
Water flow F2 and one or more second preset values；
Second preset value includes：The refrigeration total load setting value Ptc, energy time setting value Tss and cold-storage device choosing are released
Select switch state signal Ss.
The embodiment of the present invention additionally provides a kind of computer readable storage medium, is stored thereon with computer program, described
The cooling unit intelligent control method of above-mentioned realization Demand Side Response is realized when computer program is executed by processor.
The embodiment of the present invention includes：First control unit, for gathering the first multi-energy data, and to the first multi-energy data into
Row processing, to generate the control component of cold unit P01 and cold cold water flow variable frequency pump P101 respectively, and according to the control point
The Cold water-out temperature to cold unit P01 and cold cold water flow variable frequency pump P101 are controlled amount respectively；Second control is single
Member for gathering the second multi-energy data, and is handled second multi-energy data, to generate cold-storage device cold water flow frequency conversion
The controlled quentity controlled variable of P102 is pumped, and according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump P102 to cold-storage device cold water flow frequency conversion
Pump P102 is controlled；Wherein, the first multi-energy data can include：It is system gross electric capacity Pe, cold unit refrigeration work consumption Pc, cold
Machine unit cold water flow F1 and one or more first preset values；First preset value can include：System gross electric capacity limits
Definite value Pel, refrigeration total load setting value Ptc and cold power adjustment mode switch state signal Ts；Cold unit P01 is used to produce
Raw cooling water (RCW) is simultaneously supplied to energy equipment；Cold-storage device P02 is used in electricity consumption by released cold quantity in limited time.By the embodiment scheme,
The adjustment according to power consumption restrictive condition, implemented to the cooling power of the assembling unit is realized, the system of ensure that can adapt to different operating modes
It is required that, safe and stable operation.
The embodiment of the present invention includes at least following advantage：
1st, system gross electric capacity and handpiece Water Chilling Units refrigeration work consumption are using serials control, first, actively Demand-side can be followed to ring
The requirement answered realizes closed-loop control to system gross electric capacity；Second is that refrigeration work consumption can be overcome to cause because of the variation of customer charge
System gross electric capacity variation, the problem of can not accurately performing the Demand Side Response of energy source station.
2nd, designed unit refrigeration work consumption set value calculation pattern can adapt to normal operation and implement Demand-side automatically
Respond the requirement of different operating conditions.
3rd, designed unit refrigeration work consumption Staged cotrol and selection control, can select following control model, that is, freeze
Cold water temperature is preferentially adjusted during power increase, is preferentially adjusted when adjusting the mode of cold water flow or refrigeration work consumption increase again cold
Water flow adjusts the mode of cold water temperature, improves the adaptive ability of operation and the stability of system operation and behaviour again
The flexibility of work.
4th, energy power closed-loop control is released cold-storage device, can cold-storage device be adjusted according to total load requirement or tou power price
Release can power, realize Demand Side Response control utmostly to meet the needs of user is to the energy or economical operation for coordinating
Control.
Although the embodiment disclosed by the embodiment of the present invention is as above, the content only for ease of understanding the present invention and
The embodiment of use, is not limited to the embodiment of the present invention.Technical staff in any fields of the embodiment of the present invention,
On the premise of the spirit and scope disclosed by the embodiment of the present invention are not departed from, it can be appointed in the form and details of implementation
What modification and variation, but the scope of patent protection of the embodiment of the present invention, the model that must be still defined with appended claims
Subject to enclosing.
Claims (10)
1. a kind of cooling unit intelligence control system for realizing Demand Side Response, which is characterized in that the system comprises：First control
Unit processed and the second control unit；
First control unit for gathering the first multi-energy data, and is handled first multi-energy data, with respectively
The control component of cold unit and cold cold water flow variable frequency pump is generated, and according to the control component respectively to the cold machine
The Cold water-out temperature and the cold cold water flow variable frequency pump of group are controlled；
Second control unit for gathering the second multi-energy data, and is handled second multi-energy data, with generation
The controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump, and according to the controlled quentity controlled variable of the cold-storage device cold water flow variable frequency pump to described
Cold-storage device cold water flow variable frequency pump is controlled；
Wherein, first multi-energy data includes：System gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow
And one or more first preset values；First preset value includes：System gross electric capacity limit value, refrigeration total load setting
Value and cold power adjustment mode switch state signal；The cold unit uses energy equipment for generating cold water and being supplied to；Institute
Cold-storage device is stated to be used in electricity consumption by released cold quantity in limited time.
2. the cooling unit intelligence control system according to claim 1 for realizing Demand Side Response, which is characterized in that
First control unit includes：The first acquisition module, first processing module and the first control module being sequentially connected；
First acquisition module, for gathering first multi-energy data；
The first processing module, for calculating the control component of the cold unit and described according to first multi-energy data
The control component of cold cold water flow variable frequency pump；And cold water of the component to the cold unit is controlled according to the cold unit
Leaving water temperature is controlled；
First control module, for the control component according to the cold cold water flow variable frequency pump and first energy number
It is controlled according to the cold cold water flow variable frequency pump.
3. the cooling unit intelligence control system according to claim 2 for realizing Demand Side Response, which is characterized in that described
First processing module includes：
System gross electric capacity controller, for calculating the according to the system gross electric capacity and the system gross electric capacity limit value
One control component；
First selector, it is smaller for being selected from the first control component of input and the refrigeration total load setting value
Signal is exported as the second control component；
Unit refrigeration work consumption controller, for calculating the 3rd according to the described second control component and the cold unit refrigeration work consumption
Control component；
First unit water outlet temperature setting value calculator, for calculating the 4th control component according to the described 3rd control component；
Second unit water outlet temperature setting value calculator, for calculating the 5th control component according to the described 3rd control component；
First unit cold water flow preset value calculation device, for calculating the 6th control component according to the described 3rd control component；
Second unit cold water flow preset value calculation device, for calculating the 7th control component according to the described 3rd control component；
Second selector is set respectively with the first unit water outlet temperature setting value calculator and the second unit leaving water temperature
Point calculator is connected, for according to the described 4th control component, the 5th control component and the cold power adjustment mould
Formula switch state signal calculates the cold water temperature duty setting signal of the handpiece Water Chilling Units, and by the cold water temperature duty setting signal
The handpiece Water Chilling Units are inputted, the cold water temperature setting value as the cold unit；
Third selector, respectively with the first unit cold water flow preset value calculation device and the second unit cold water flow setting value
Calculator is connected, for being opened according to the described 6th control component, the 7th control component and the cold power adjustment mode
Off status signal calculates the control component of the cold cold water flow variable frequency pump.
4. the cooling unit intelligence control system according to claim 3 for realizing Demand Side Response, which is characterized in that described
First control module includes：
Cold unit flow controller, is connected with the third selector, for according to the cold cold water flow variable frequency pump
Component and the cold unit cold water flow is controlled to implement to control to the cold cold water flow variable frequency pump.
5. the cooling unit intelligence control system of the realization Demand Side Response according to claim 2-4 any one, special
Sign is that second control unit includes：The second acquisition module and Second processing module being connected with each other；
Second acquisition module, for gathering the second multi-energy data；
The Second processing module becomes for calculating the cold-storage device cold water flow according to second multi-energy data of acquisition
The controlled quentity controlled variable of frequency pump；And the cold-storage device cold water flow is become according to the controlled quentity controlled variable of the cold-storage device cold water flow variable frequency pump
Frequency pump is controlled.
6. the cooling unit intelligence control system according to claim 5 for realizing Demand Side Response, which is characterized in that
Second multi-energy data includes：The cold unit refrigeration work consumption, cold-storage storage release energy power, cold-storage device cold water
Flow and one or more second preset values；
Second preset value includes：The refrigeration total load setting value releases energy time setting value and cold-storage device selecting switch
Status signal.
7. the cooling unit intelligence control system according to claim 6 for realizing Demand Side Response, which is characterized in that described
Second processing module includes：
First calculator, for calculating the 8th control according to the refrigeration total load setting value and the cold unit refrigeration work consumption
Component；
Second calculator, for controlling component according to the cold-storage storage and the energy time preset value calculation the 9th of releasing；
4th selector, for according to the 8th controlled quentity controlled variable, the 9th control component and the cold-storage device calculated
The controlled quentity controlled variable of energy controller is released in the calculating of selecting switch status signal；
It is described to release energy controller, it can cold-storage dress described in power calculation for releasing the controlled quentity controlled variable of energy controller and described release according to
The controlled quentity controlled variable for the cold water flow put；
Cold-storage device cold water flow controller, for controlled quentity controlled variable and the feedback acquisition of the cold water flow according to the cold-storage device
The cold-storage device cold water flow calculates the controlled quentity controlled variable of the cold-storage device cold water flow variable frequency pump, and according to the cold-storage device
The controlled quentity controlled variable of cold water flow variable frequency pump controls the cold-storage device cold water flow variable frequency pump.
8. a kind of cooling unit intelligent control method for realizing Demand Side Response, which is characterized in that the described method includes：
The first multi-energy data is gathered, and first multi-energy data is handled, it is cold to generate cold unit and cold respectively
The control component of water flow variable frequency pump, and control the component Cold water-out temperature to the cold unit and institute respectively according to described
Cold cold water flow variable frequency pump is stated to be controlled；
The second multi-energy data is gathered, and second multi-energy data is handled, to generate cold-storage device cold water flow frequency conversion
The controlled quentity controlled variable of pump, and according to the controlled quentity controlled variable of the cold-storage device cold water flow variable frequency pump to the cold-storage device cold water flow frequency conversion
Pump is controlled；
Wherein, first multi-energy data includes：System gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow
And one or more first preset values；First preset value includes：System gross electric capacity limit value, refrigeration total load setting
Value and cold power adjustment mode switch state signal；The cold unit uses energy equipment for generating cold water and being supplied to；Institute
Cold-storage device is stated to be used in electricity consumption by released cold quantity in limited time.
9. the cooling unit intelligent control method according to claim 8 for realizing Demand Side Response, which is characterized in that
Second multi-energy data includes：The cold unit refrigeration work consumption, cold-storage storage release energy power, cold-storage device cold water
Flow and one or more second preset values；
Second preset value includes：The refrigeration total load setting value releases energy time setting value and cold-storage device selecting switch
Status signal.
10. the cooling unit intelligent control method according to claim 8 for realizing Demand Side Response, which is characterized in that institute
It states and first multi-energy data is handled, to generate the control component of cold unit and cold cold water flow variable frequency pump respectively
Including：
First control component is calculated according to the system gross electric capacity and the system gross electric capacity limit value；
Smaller signal is selected from the described first control component and the refrigeration total load setting value as the second control component
It is exported；
3rd control component is calculated according to the described second control component and the cold unit refrigeration work consumption；
4th control component, the 5th control component, the 6th control component and the 7th control are calculated according to the described 3rd control component
Component；
According to the described 4th control component, the 5th control component and the cold power adjustment mode switch state signal meter
The cold water temperature duty setting signal of the handpiece Water Chilling Units is calculated, and the cold water temperature duty setting signal is inputted into the cooling-water machine
Group, the cold water temperature setting value as the cold unit；
According to the described 6th control component, the 7th control component and the cold power adjustment mode switch state signal meter
Calculate the control component of the cold cold water flow variable frequency pump.
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| CN1629556A (en) * | 2003-12-19 | 2005-06-22 | 珠海福士得冷气工程有限公司 | Energy-saving central air conditioning system |
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| JP2014129937A (en) * | 2012-12-28 | 2014-07-10 | Ntt Facilities Inc | Cold water circulation system |
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