CN110397579A - Control method, system and the air-conditioning of the water pump of air-conditioning - Google Patents
Control method, system and the air-conditioning of the water pump of air-conditioning Download PDFInfo
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- CN110397579A CN110397579A CN201910609156.2A CN201910609156A CN110397579A CN 110397579 A CN110397579 A CN 110397579A CN 201910609156 A CN201910609156 A CN 201910609156A CN 110397579 A CN110397579 A CN 110397579A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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Abstract
The application proposes the control method, system and air-conditioning of a kind of water pump of air-conditioning.Wherein, the control method of the water pump of air-conditioning, comprising the following steps: obtain currently running water pump number of units and rotating ratio；The optimized rotating speed prestored is inquired than interval table, obtains comparing section corresponding to the optimized rotating speed of water pump number of units, wherein optimized rotating speed is to be determined according to the efficiency curve for running different water pump number of units than section；If rotating ratio is not at optimized rotating speed than in section, switch currently running water pump number of units.The control method of the water pump of the air-conditioning of the application can promote the operational efficiency of water pump, have energy-saving and frequency-variable, run advantage low in energy consumption.
Description
Technical field
This application involves air-conditioning technical field, in particular to a kind of control method, system and the air-conditioning of the water pump of air-conditioning.
Background technique
In the related technology, the operation of more water pumps in central air-conditioning works as revolving speed usually according to revolving speed control on duty by turns
The water pump for reducing by an operation when lower than a preset lower limit value, one is loaded when revolving speed reaches a preset upper limit value
Water pump operation.It has the disadvantage in that
Since lower limit value and upper limit value are arranged not very accurate, it may cause pump rotary speed and be not up to switching condition
When, will not restart or close another water pump, however, at this point, water pump operation it is inefficient, therefore, air-conditioning is caused to consume
It can be high.
Summary of the invention
Inventor's discovery: the efficiency curve of the control strategy on duty by turns based on revolving speed in the related technology, as shown in Figure 2,
As can be seen that when water pump is when the section A-A ' works or 1 water pump is working, it may be assumed that in the related technology, be switched to 2 water pumps
Work is not for corresponding to A point, when the section B-B ' works or 2 pump workings, it may be assumed that in the related technology, is switched to 3
Pump working is not corresponding to B point.However, in A-A ' section work when, can obviously learn, the operation effect of 2 water pumps
Rate is higher, and similarly, when the section B-B ' works, the operational efficiency of 3 water pumps is higher.Therefore, this control on duty by turns based on revolving speed
The operational efficiency that system strategy may cause air-conditioning is not high.
The application aims to solve at least one of above-mentioned technical problem.
For this purpose, the purpose of the application is to propose a kind of control method of the water pump of air-conditioning.This method can be promoted
The operational efficiency of water pump has energy-saving and frequency-variable, runs advantage low in energy consumption.
Second purpose of the application is to propose a kind of control system of the water pump of air-conditioning.
The third purpose of the application is to propose a kind of non-transitorycomputer readable storage medium.
The 4th purpose of the application is to propose a kind of air-conditioning.
To achieve the goals above, the first aspect of the application discloses a kind of control method of the water pump of air-conditioning, including
Following steps: currently running water pump number of units and rotating ratio are obtained；The optimized rotating speed prestored is inquired than interval table, is corresponded to
The optimized rotating speed of the water pump number of units compares section, wherein the optimized rotating speed is the water pump number of units different according to operation than section
Efficiency curve determine；If the rotating ratio is not at the optimized rotating speed than in section, switch currently running water
Pump number of units.
The control method of the water pump of the air-conditioning of the application is inquired pre- after obtaining currently running water pump number of units and rotating ratio
The optimized rotating speed deposited obtains the optimized rotating speed corresponding to water pump number of units than section, if rotating ratio is not at most than interval table
In excellent rotating ratio section, then switch currently running water pump number of units, so as to promote the operational efficiency of water pump, there is frequency conversion section
Can, run advantage low in energy consumption.
In some instances, further includes: according to the effect of the efficiency curve of the water pump of m platform operation and the water pump of m-1 platform operation
Intersection point between rate curve determines and corresponds to lower limit value of the optimized rotating speed of the water pump of m platform operation than section；It is run according to m platform
Water pump efficiency curve and m+1 platform operation water pump efficiency curve between intersection point, determine correspond to m platform operation water pump
Optimized rotating speed than section upper limit value；The water pump for corresponding to the operation of m platform is obtained according to the lower limit value and the upper limit value
Optimized rotating speed compares section；The optimized rotating speed for corresponding to the water pump of m platform operation is added to the optimized rotating speed than section and compares section
Table.
In some instances, further includes: monitor the operating parameter of currently running water pump；According to the currently running water
The operating parameter of pump establishes pump characteristics model；Water pump controlling curve is obtained, and according to the water pump controlling curve and the water
Pump characteristics model obtains corresponding efficiency curve when one or more water pump operation.
In some instances, the operating parameter includes currently running pump capacity, pump head and pump power.
In some instances, if the rotating ratio is not at the optimized rotating speed than in section, switching is worked as
The water pump number of units of preceding operation, comprising: if the rotating ratio is less than lower limit value of the optimized rotating speed than section, reduce one
Currently running water pump number of units；If the rotating ratio is greater than or equal to the optimized rotating speed than the upper limit value in section, increase
One currently running water pump number of units.
The second aspect of the application discloses a kind of control system of the water pump of air-conditioning, comprising: module is obtained, for obtaining
Currently running water pump number of units and rotating ratio；Enquiry module is corresponded to for inquiring the optimized rotating speed prestored than interval table
The optimized rotating speed of the water pump number of units compares section, wherein the optimized rotating speed is the water pump number of units different according to operation than section
Efficiency curve determine；Control module, for when the rotating ratio is not at the optimized rotating speed than in section, switching to be worked as
The water pump number of units of preceding operation.
The control system of the water pump of the air-conditioning of the application is inquired pre- after obtaining currently running water pump number of units and rotating ratio
The optimized rotating speed deposited obtains the optimized rotating speed corresponding to water pump number of units than section, if rotating ratio is not at most than interval table
In excellent rotating ratio section, then switch currently running water pump number of units, so as to promote the operational efficiency of water pump, there is frequency conversion section
Can, run advantage low in energy consumption.
In some instances, further includes: optimized rotating speed establishes module than interval table, the water pump for being run according to m platform
Intersection point between efficiency curve and the efficiency curve of the water pump of m-1 platform operation determines optimal turn for corresponding to the water pump of m platform operation
The lower limit value in speed ratio section, and according between the efficiency curve of the water pump of m platform operation and the efficiency curve of the water pump of m+1 platform operation
Intersection point, determine and correspond to upper limit value of the optimized rotating speed of the water pump of m platform operation than section, and according to the lower limit value and institute
It states upper limit value and obtains the optimized rotating speed corresponding to the water pump of m platform operation than section, and the optimal of the water pump that m platform is run will be corresponded to
Rotating ratio section is added to the optimized rotating speed and compares interval table.
In some instances, the optimized rotating speed establishes the fortune that module is also used to monitor currently running water pump than interval table
Row parameter, and pump characteristics model is established according to the operating parameter of the currently running water pump, and obtain water pump control song
Line, and when one or more water pump operation is obtained according to the water pump controlling curve and the pump characteristics model corresponding efficiency
Curve.
In some instances, the operating parameter includes currently running pump capacity, pump head and pump power.
In some instances, the control module is used to be less than lower limit of the optimized rotating speed than section in the rotating ratio
When value, reduce by a currently running water pump number of units, it is upper than section to be greater than or equal to the optimized rotating speed in the rotating ratio
When limit value, increase a currently running water pump number of units.
The third aspect of the application discloses a kind of non-transitorycomputer readable storage medium, is stored thereon with air-conditioning
The control program of water pump, the control program of the water pump of the air-conditioning realize the embodiment institute of above-mentioned first aspect when being executed by processor
The control method of the water pump for the air-conditioning stated.
The embodiment of the fourth aspect of the application discloses a kind of air-conditioning, including memory, processor and is stored in storage
On device and the control program of the water pump of air-conditioning that can run on a processor, the processor execute the control of the water pump of the air-conditioning
The control method of the water pump of air-conditioning described in the embodiment of above-mentioned first aspect is realized when processing procedure sequence.The air-conditioning of the application is obtaining
The optimized rotating speed prestored is inquired after currently running water pump number of units and rotating ratio than interval table, obtains corresponding to water pump number of units most
Excellent rotating ratio section, if rotating ratio is not at optimized rotating speed than in section, switching currently running water pump number of units, thus
The operational efficiency of water pump can be promoted, there is energy-saving and frequency-variable, run advantage low in energy consumption.
The additional aspect and advantage of the application will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage combination following accompanying drawings of the application in the description of embodiment to will become
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow chart according to the control method of the water pump of the air-conditioning of the application one embodiment；
Fig. 2 is the efficiency curve schematic diagram based on revolving speed control strategy on duty by turns；
Fig. 3 is the Pump Efficiency Curve schematic diagram according to the application one embodiment；
Fig. 4 is the schematic diagram according to the efficiency curve of the control strategy on duty by turns based on revolving speed of the application one embodiment；
Fig. 5 is according to the specific of the realization most efficiency optimization of the application one embodiment pump variable frequency Energy Saving Control on duty by turns
Flow chart；
Fig. 6 is the structural block diagram according to the control system of the water pump of the air-conditioning of the application one embodiment.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the application, and should not be understood as the limitation to the application.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the application and simplifies description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the application.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
Below in conjunction with attached drawing description according to control method, system and the air-conditioning of the water pump of the air-conditioning of the embodiment of the present application.
Fig. 1 is the flow chart according to the control method of the water pump of the air-conditioning of the embodiment of the present application.As shown in Figure 1, according to this
The control method for applying for the water pump of the air-conditioning of one embodiment, includes the following steps:
S101: currently running water pump number of units and rotating ratio are obtained.
In specific example, water pump controller can real-time monitoring water pump number of units and rotating ratio.
S102: inquiring the optimized rotating speed prestored than interval table, obtains optimized rotating speed corresponding to water pump number of units than section,
In, optimized rotating speed is to be determined according to the efficiency curve for running different water pump number of units than section.
In specific example, the efficiency curve of different water pump number of units is obtained, it is necessary first to monitor currently running water pump
Operating parameter；Then pump characteristics model is established according to the operating parameter of currently running water pump；Finally obtain water pump control
Curve, and when one or more water pump operation is obtained according to water pump controlling curve and pump characteristics model corresponding efficiency curve.
Wherein, the operating parameter of water pump includes currently running pump capacity, pump head and pump power.The following detailed description of foundation
The principle of the efficiency curve of water pump.
It is as follows that model is established according to pump characteristics:
Flow lift curve Q-H under separate unit water pump rated speed:
H=A1Q2+B1Q2+C1 (1)
Flow power curve Q-P under separate unit water pump rated speed:
P=A2Q2+B2Q2+C2 (2)
Wherein, H is pump head, i.e. the inlet outlet pressure differential of water pump, and Q is separate unit pump capacity, A1、B1、C1And A2、B2、
C2For characteristic curve coefficient.
The discharge relation of m platform water pump parallel connection are as follows: Qm=mQ (3)
Wherein, QmFor the total flow of m platform water pump parallel connection.
Water pump similarity law is as follows:
Q1/Q2=n1/n2=k (4)
P1/P2=(n1/n2)3=k3 (5)
Wherein, Q1、Q2And P1、P2For the flow and power before and after frequency conversion；n1、n2For the revolving speed before and after frequency conversion；K is revolving speed
Than.
The water pump model that m platform water pump is in parallel, when rotating ratio is k can be derived according to above-mentioned formula (1)~(5):
H=A1(Q/m)2+B1k(Q/m)+C1k2 (6)
P=A2k(Q/m)2+B2k2(Q/m)+C2k2 (7)
Pump efficiency: η=gQH/3600P (8)
Three groups or more different operating conditions are run, flow Q is obtained1、Q2、Q3, lift H1、H2、H3And corresponding P1、P2、P3, lead to
Cross formula (6), (7) find out pump characteristics coefficient A1、B1、C1And A2、B2、C2, complete the foundation of water pump model.
Water pump controlling curve: H=Hmin+SQ2 (9)
Wherein, HminFor minimum lift, it is equivalent to the pressure difference of least favorable end in system control, it can be by theoretical calculation or tune
Examination determines；S is the total impedance of system, according to operating point for design (Q0, H0) acquire.
Water pump controlling curve is as shown in Figure 3, by the operating point (Q that any one is determined on curvei, Hi) bring formula (6) into can
To obtain:
ki=f1(Qi, Hi, m) and (10)
By ki, QiSubstitute into (7), (8) can be obtained:
ηi=f2(Qi, Hi, m) and (11)
Work as m=1, passes through operating point (Q different on controlling curvei, Hi) efficiency curve of 1 pump working can be drawn；Together
Reason, as m=2 and m=3, can respectively obtain the efficiency curve of 2 and 3 water pump parallel operations, as shown in Figure 3.
In specific example, determine that optimized rotating speed is wrapped than section according to the efficiency curve for running different water pump number of units
It includes: according to the intersection point between the efficiency curve of the water pump of m platform operation and the efficiency curve of the water pump of m-1 platform operation, determining and correspond to
In m platform operation water pump optimized rotating speed than section lower limit value；According to the efficiency curve of the water pump of m platform operation and m+1 platform fortune
Intersection point between the efficiency curve of capable water pump determines and corresponds to upper limit value of the optimized rotating speed of the water pump of m platform operation than section；
The optimized rotating speed that the water pump for corresponding to the operation of m platform is obtained according to lower limit value and upper limit value compares section；The water of m platform operation will be corresponded to
The optimized rotating speed of pump is added to optimized rotating speed than section and compares interval table.
Specifically, as shown in Figure 3, according to the efficiency curve friendship of the efficiency curve and 2 parallel connection pumps of 1 water pump
Point, i.e. f2(QA, k1A, m=1) and=f2(QA, k2A, m=2) and the working speed ratio k of 1 water pump when can acquire operating point A1AAnd 2
The rotating ratio k of pump working2A, the rotating ratio k of 2 pump workings when can similarly acquire operating point B2BAnd 3 pump workings
Rotating ratio k3B, to obtain comparing section corresponding to the optimized rotating speed of water pump number of units, it may be assumed that when m=1, rotating ratio control range is kmin
≤k<k1A；When m=2, rotating ratio control range is k2A≤k<k2B；When m=3, rotating ratio control range is k3B≤k<1。
S103: if rotating ratio is not at optimized rotating speed than in section, switch currently running water pump number of units.
In specific example, water pump controller is by real-time monitoring water pump number of units and rotating ratio, if rotating ratio is less than
Optimized rotating speed then reduces by a currently running water pump number of units than the lower limit value in section；If rotating ratio is greater than or equal to optimal
The upper limit value in rotating ratio section then increases a currently running water pump number of units.According to the control on duty by turns based on revolving speed of the application
The efficiency curve for making strategy is as shown in Figure 4, it can be seen that the control method of the water pump of the air-conditioning of the application can allow water pump to imitate
Rate is maintained at high efficiency range.
In conclusion can establish model using the control method according to pump characteristics, be asked further according to water pump controlling curve
The optimum operation rotating ratio range of different number of units out, to realize most efficiency optimization pump variable frequency Energy Saving Control on duty by turns, stream
Journey figure as shown in figure 5, firstly, water pump controller monitoring water pump pipe network flow Q, pump head H, power P, operation number of units m and
Rotating ratio k, then line solver pump characteristics coefficient A1、B1、C1And A2、B2、C2, to establish pump characteristics model, then root
According to the operating point (Q on water pump controlling curvei, Hi) efficiency curve of drawing different number of units, distinguished according to the crosspoint of efficiency curve
It finds out and corresponds to rotating ratio k in operating point A, B1A、k2A、k2B、k3B, the final optimum efficiency rotating ratio control range for determining water pump,
Controller is by monitoring water pump operation number of units m and real-time rotating ratio k, the control water pump number of units when k is more than optimum operation range
Increase and decrease, so that pump efficiency is maintained at high efficiency range.
According to the control method of the water pump of the air-conditioning of the embodiment of the present application, currently running water pump number of units and revolving speed are being obtained
The optimized rotating speed prestored is inquired than after than interval table, obtains the optimized rotating speed corresponding to water pump number of units than section, if rotating ratio
Optimized rotating speed is not at than in section, then switching currently running water pump number of units, so as to promote the operational efficiency of water pump,
With energy-saving and frequency-variable, advantage low in energy consumption is run.
Further, embodiments herein discloses a kind of control system of the water pump of air-conditioning.As shown in fig. 6, according to
The control system 600 of the water pump of the air-conditioning of embodiments herein, comprising: obtain module 610, enquiry module 620, control module
630。
Wherein, module 610 is obtained for obtaining currently running water pump number of units and rotating ratio；Enquiry module 620 is for looking into
The optimized rotating speed prestored is ask than interval table, obtains comparing section corresponding to the optimized rotating speed of water pump number of units, wherein optimized rotating speed compares area
Between to be determined according to the efficiency curve for running different water pump number of units；Control module 630 is optimal for being not in rotating ratio
When in rotating ratio section, switch currently running water pump number of units.
In one embodiment of the application, further includes: optimized rotating speed establishes module than interval table, for being transported according to m platform
Intersection point between the efficiency curve of the water pump of efficiency curve and m-1 the platform operation of capable water pump, determines the water for corresponding to the operation of m platform
The optimized rotating speed of pump than section lower limit value, and according to m platform operation water pump efficiency curve and m+1 platform operation water pump effect
Intersection point between rate curve determines upper limit value of the optimized rotating speed than section of the water pump corresponding to the operation of m platform, and according to lower limit
The optimized rotating speed that value and upper limit value obtain corresponding to the water pump of m platform operation will correspond to the water pump of m platform operation most than section
Excellent rotating ratio section is added to the optimized rotating speed and compares interval table.
In one embodiment of the application, optimized rotating speed establishes module than interval table and is also used to monitor currently running water
The operating parameter of pump, and pump characteristics model is established according to the operating parameter of currently running water pump, and obtain water pump control
Curve, and when one or more water pump operation is obtained according to water pump controlling curve and pump characteristics model corresponding efficiency curve.
In one embodiment of the application, operating parameter includes currently running pump capacity, pump head and water pump
Power.
In one embodiment of the application, control module 630 is used to be less than optimized rotating speed than under section in rotating ratio
When limit value, reduce by a currently running water pump number of units, when rotating ratio is greater than or equal to upper limit value of the optimized rotating speed than section,
Increase a currently running water pump number of units.
According to the control system of the water pump of the air-conditioning of the embodiment of the present application, currently running water pump number of units and revolving speed are being obtained
The optimized rotating speed prestored is inquired than after than interval table, obtains the optimized rotating speed corresponding to water pump number of units than section, if rotating ratio
Optimized rotating speed is not at than in section, then switching currently running water pump number of units, so as to promote the operational efficiency of water pump,
With energy-saving and frequency-variable, advantage low in energy consumption is run.
It should be noted that the specific implementation and the application of the control system of the water pump of the air-conditioning of the embodiment of the present application
The specific implementation of the control method of the water pump of the air-conditioning of embodiment is similar, specifically refers to the description of method part, in order to
Redundancy is reduced, is not repeated herein.
Further, embodiments herein discloses a kind of non-transitorycomputer readable storage medium, stores thereon
There is computer program, be stored thereon with the control program of the water pump of air-conditioning, the control program of the water pump of the air-conditioning is held by processor
The control method of the water pump of above-mentioned air-conditioning is realized when row.
Further, embodiments herein discloses a kind of air-conditioning, including memory, processor and is stored in memory
The control program of the water pump of air-conditioning that is upper and can running on a processor, the processor execute the control of the water pump of the air-conditioning
The control method of the water pump of above-mentioned air-conditioning is realized when program.The air-conditioning of the application is obtaining currently running water pump number of units and is turning
The optimized rotating speed prestored is inquired after speed ratio than interval table, obtains the optimized rotating speed corresponding to water pump number of units than section, if revolving speed
Than being not at optimized rotating speed than in section, then switching currently running water pump number of units, so as to promote the operation effect of water pump
Rate has energy-saving and frequency-variable, runs advantage low in energy consumption.
In addition, for those of ordinary skill in the art according to other compositions of the air-conditioning of the embodiment of the present application and effect
For be all it is known, in order to reduce redundancy, be not repeated herein.
Above-mentioned non-transitorycomputer readable storage medium can appointing using one or more computer-readable media
Meaning combination.Computer-readable medium can be computer-readable signal media or computer readable storage medium.Computer can
Reading storage medium for example may be-but not limited to-the system of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, device
Or device, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes:
Electrical connection, portable computer diskette, hard disk, random access memory (RAM), read-only storage with one or more conducting wires
Device (Read Only Memory；Hereinafter referred to as: ROM), erasable programmable read only memory (Erasable
Programmable Read Only Memory；Hereinafter referred to as: EPROM) or flash memory, optical fiber, portable compact disc are read-only deposits
Reservoir (CD-ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer
Readable storage medium storing program for executing can be any tangible medium for including or store program, which can be commanded execution system, device
Either device use or in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including --- but
It is not limited to --- electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be
Any computer-readable medium other than computer readable storage medium, which can send, propagate or
Transmission is for by the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In --- wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
Can with one or more programming languages or combinations thereof come write for execute the application operation computer
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
It further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with
It fully executes, partly execute on the user computer on the user computer, being executed as an independent software package, portion
Divide and partially executes or executed on a remote computer or server completely on the remote computer on the user computer.In
It is related in the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (Local
Area Network；Hereinafter referred to as: LAN) or wide area network (Wide Area Network；Hereinafter referred to as: WAN) it is connected to user
Computer, or, it may be connected to outer computer (such as being connected using ISP by internet).
While there has been shown and described that embodiments herein, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle and objective of the application, this
The range of application is by claim and its equivalent limits.
Claims (12)
1. a kind of control method of the water pump of air-conditioning, which comprises the following steps:
Obtain currently running water pump number of units and rotating ratio；
The optimized rotating speed prestored is inquired than interval table, obtains comparing section corresponding to the optimized rotating speed of the water pump number of units, wherein institute
It is to be determined according to the efficiency curve for running different water pump number of units that optimized rotating speed, which is stated, than section；
If the rotating ratio is not at the optimized rotating speed than in section, switch currently running water pump number of units.
2. the control method of the water pump of air-conditioning according to claim 1, which is characterized in that further include:
According to the intersection point between the efficiency curve of the water pump of m platform operation and the efficiency curve of the water pump of m-1 platform operation, determines and correspond to
In m platform operation water pump optimized rotating speed than section lower limit value；
According to the intersection point between the efficiency curve of the water pump of m platform operation and the efficiency curve of the water pump of m+1 platform operation, determines and correspond to
In m platform operation water pump optimized rotating speed than section upper limit value；
The optimized rotating speed that the water pump for corresponding to the operation of m platform is obtained according to the lower limit value and the upper limit value compares section；
The optimized rotating speed for corresponding to the water pump of m platform operation is added to the optimized rotating speed than section and compares interval table.
3. the control method of the water pump of air-conditioning according to claim 2, which is characterized in that further include:
Monitor the operating parameter of currently running water pump；
Pump characteristics model is established according to the operating parameter of the currently running water pump；
Water pump controlling curve is obtained, and one or more water is obtained according to the water pump controlling curve and the pump characteristics model
Corresponding efficiency curve when pump operation.
4. the control method of the water pump of air-conditioning according to claim 3, which is characterized in that the operating parameter includes current
Pump capacity, pump head and the pump power of operation.
5. the control method of the water pump of air-conditioning according to claim 1, which is characterized in that if the rotating ratio does not have
When having positioned at the optimized rotating speed than in section, switch currently running water pump number of units, comprising:
If the rotating ratio is less than lower limit value of the optimized rotating speed than section, reduce by a currently running water pump platform
Number；
If the rotating ratio is greater than or equal to upper limit value of the optimized rotating speed than section, increase a currently running water
Pump number of units.
6. a kind of control system of the water pump of air-conditioning characterized by comprising
Module is obtained, for obtaining currently running water pump number of units and rotating ratio；
Enquiry module obtains the optimized rotating speed corresponding to the water pump number of units for inquiring the optimized rotating speed prestored than interval table
Compare section, wherein the optimized rotating speed is to determine according to the efficiency curve for running different water pump number of units than section；
Control module, for switching currently running water when the rotating ratio is not at the optimized rotating speed than in section
Pump number of units.
7. the control system of the water pump of air-conditioning according to claim 6, which is characterized in that further include: optimized rotating speed compares area
Between table establish module, between the efficiency curve of the water pump of the efficiency curve and m-1 platform of the water pump for being run according to m platform operation
Intersection point determines and corresponds to lower limit value of the optimized rotating speed of the water pump of m platform operation than section, and the effect of the water pump according to the operation of m platform
Intersection point between rate curve and the efficiency curve of the water pump of m+1 platform operation determines the optimized rotating speed for corresponding to the water pump of m platform operation
Than the upper limit value in section, and optimal turn for corresponding to the water pump that m platform is run is obtained according to the lower limit value and the upper limit value
Speed ratio section, and the optimized rotating speed for corresponding to the water pump of m platform operation is added to the optimized rotating speed than section and compares interval table.
8. the control system of the water pump of air-conditioning according to claim 7, which is characterized in that the optimized rotating speed compares interval table
The operating parameter that module is also used to monitor currently running water pump is established, and according to the operating parameter of the currently running water pump
Pump characteristics model is established, and obtains water pump controlling curve, and according to the water pump controlling curve and the pump characteristics mould
Type obtains corresponding efficiency curve when one or more water pump operation.
9. the control system of the water pump of air-conditioning according to claim 8, which is characterized in that the operating parameter includes current
Pump capacity, pump head and the pump power of operation.
10. the control system of the water pump of air-conditioning according to claim 6, which is characterized in that the control module is used for
When the rotating ratio is less than lower limit value of the optimized rotating speed than section, reduce by a currently running water pump number of units, described
When rotating ratio is greater than or equal to upper limit value of the optimized rotating speed than section, increase a currently running water pump number of units.
11. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that deposit thereon
The control program for storing up air-conditioned water pump realizes claim 1-5 when the control program of the water pump of the air-conditioning is executed by processor
The control method of the water pump of any air-conditioning.
12. a kind of air-conditioning, which is characterized in that including memory, processor and store on a memory and can transport on a processor
The control program of the water pump of capable air-conditioning, the processor realize claim when executing the control program of the water pump of the air-conditioning
The control method of the water pump of any air-conditioning of 1-5.
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Effective date of registration: 20210310 Address after: 200080 Room C, 14th floor, 309 Tanggu Road, Hongkou District, Shanghai Applicant after: Shanghai Meikong Intelligent Building Co.,Ltd. Applicant after: GD MIDEA HEATING & VENTILATING EQUIPMENT Co.,Ltd. Address before: 528311 Industrial Road, Penglai Road, Beijiao Town, Shunde District, Guangdong, Foshan Applicant before: GD MIDEA HEATING & VENTILATING EQUIPMENT Co.,Ltd. Applicant before: MIDEA GROUP Co.,Ltd. |
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Application publication date: 20191101 |