CN110043455A - A kind of parallel water pump runing adjustment method, intelligent terminal and storage medium - Google Patents
A kind of parallel water pump runing adjustment method, intelligent terminal and storage medium Download PDFInfo
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- CN110043455A CN110043455A CN201910262836.1A CN201910262836A CN110043455A CN 110043455 A CN110043455 A CN 110043455A CN 201910262836 A CN201910262836 A CN 201910262836A CN 110043455 A CN110043455 A CN 110043455A
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- water pump
- parallel
- units
- runing adjustment
- adjustment method
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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
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of parallel water pump runing adjustment methods comprising: flow needed for being run according to system and required operation lift obtain the corresponding operation power of different water pump operation number of units；According to the performance parameter of water pump, separate unit pump's performance curre coefficient is obtained；According to the operation power and the separate unit characteristic curve of pump coefficient, the minimum power value function when water pump operation of different number of units is obtained；Via the minimum power value function, the optimal number of units value of water pump of operation is solved；The step of acquiring water pump optimized rotating speed value according to the optimal number of units value of water pump.The invention also discloses the intelligent terminals and storage medium about the above method.The present invention is to the optimized operation Energy Conservation of parallel water pump for solution, the optimal amount and working frequency of water pump operation can not only be directly given, and can guarantee that the realization of water pump operation energy consumption is minimum, to maximumlly save air-conditioner water system parallel water pump operation energy consumption.
Description
Technical field
The present invention relates to a kind of Control of pump operation technologies, parallel water pump can be made to operate in more more particularly, to one kind
Parallel water pump runing adjustment method, intelligent terminal and storage medium under power save mode.
Background technique
In central air conditioning water system, the parallel running of water pump, therefore the safe and stable fortune of parallel water pump are often had
Row, it is very big to the energy consumption of entire central air conditioning water system, and also the water pump further related in water pump normal course of operation opens
Stop, the regulating measures such as frequency conversion, directly affects the energy-saving effect of water pump during normal operation.
Currently used parallel water pump runing adjustment method is that the operation of parallel water pump is realized using pressure difference or the temperature difference
It adjusts, by taking pressure difference is adjusted as an example, the main water system pressure difference by measurement control loop, when pressure difference is lower than setting value,
By variable frequency adjustment, water pump operation revolving speed is improved, to stablize the pressure difference stable operation of water pump end water system, works as variable frequency adjustment
When being also unable to satisfy hydraulic demand to full frequency, start a parallel water pump more, is further continued for frequency and adjusts water pump operation revolving speed.
Temperature difference adjusting method is with pressure difference adjusting method, and only return signal is water system temperature signal.
Above-mentioned either pressure difference is adjusted or the temperature difference is adjusted in the prior art, and it is stagnant to there is very big signal transmitting
Afterwards, cause system actual demand and runing adjustment value to mismatch, frequently adjusted so as to cause system, while the operating status of water pump
Point is also not in most energy-efficient operating status point, cannot achieve maximized energy saving in running.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of parallel water pump runing adjustment methods, obtain parallel water pump more
Energy-efficient operating status.
The technical solution of the invention is as follows:
A kind of parallel water pump runing adjustment method, wherein include:
Step 1, flow needed for being run according to system and required operation lift, it is corresponding to obtain different water pump operation number of units
Operation power；
Step 2 obtains separate unit pump's performance curre coefficient according to the performance parameter of water pump；
Step 3 obtains the water pump of different number of units according to the operation power and the separate unit characteristic curve of pump coefficient
Minimum power value function when operation；
Step 4 solves the optimal number of units value of water pump of operation via the minimum power value function；
Step 5 acquires water pump optimized rotating speed value according to the optimal number of units value of water pump.
The invention also provides:
A kind of intelligent terminal, wherein the intelligent terminal includes: memory, processor and is stored on the memory
And the parallel water pump runing adjustment program that can be run on the processor, the parallel water pump runing adjustment program is by the place
The step of reason device realizes parallel water pump runing adjustment method as described above when executing.
A kind of storage medium, wherein the storage medium is stored with parallel water pump runing adjustment program, the parallel water pump
Runing adjustment program realizes the step of parallel water pump runing adjustment method as described above when being executed by processor.
It is learnt by described above, the present invention has the advantage that really
The present invention, for solution, can not only directly give water pump operation to the optimized operation Energy Conservation of parallel water pump
Optimal amount and working frequency (revolving speed), and can guarantee that the realization of water pump operation energy consumption is minimum, to maximumlly save empty
Water transfer system parallel water pump operation energy consumption.
Detailed description of the invention
Fig. 1 is the step flow diagram of parallel water pump runing adjustment method preferred embodiment of the invention.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.
A kind of parallel water pump runing adjustment method of the invention in preferred embodiment, please refers to shown in Fig. 1, comprising:
S101 step 1, flow needed for being run according to system and required operation lift, obtain different water pump operation number of units
Corresponding operation power；
S102 step 2 obtains separate unit pump's performance curre coefficient according to the performance parameter of water pump；
S103 step 3 obtains different number of units according to the operation power and the separate unit characteristic curve of pump coefficient
Minimum power value function when water pump operation；
S104 step 4 solves the optimal number of units value of water pump of operation via the minimum power value function；
S105 step 5 acquires water pump optimized rotating speed value according to the optimal number of units value of water pump.
The present invention is fitted by data by the pump performance parameters inhibited and obtains separate unit pump performance parameters a, b, c, from
And the corresponding flow of separate unit water pump-lift performance curve and flow-power-performance curve can be drawn out；Simultaneously according to water pump simultaneously
Join working principle, when parallel connection pump, it is ensured that (generally can be by adjusting resistance of pipe system in the case that pump head is constant
Characteristic curve), the increased multiple of pump capacity is identical as the number of units that water pump starts, to can also draw water outlet pump parallel connection work
The characteristic curve of work；Further according to water pump similarity law, draws out pump rotary speed and change corresponding performance curve when (frequency conversion).According to
Flow and lift needed for the water pump operation that known water system determines, may finally determine the starting number of units and operation of water pump operation
The combination of revolving speed.To carry out in real time water pump operation according to the control of operation power demand variation.
Parallel water pump runing adjustment method present invention as described above, in preferred embodiment, in step 1, institute
Flow needed for stating operation is Q, and lift needed for the operation is H, and enabling water pump operation number of units respectively is 1,2 ... m, acquires different water pumps
Operation power P (1), P (2) ... P (m) when operation number of units.
Parallel water pump runing adjustment method present invention as described above, in preferred embodiment, in step 2, institute
Stating newly energy curve coefficients is that separate unit water pump corresponds to flow-lift performance curve and flow-power-performance curve coefficient.General
Water system in, related performance curve is mainly above two curve.
Parallel water pump runing adjustment method present invention as described above, in preferred embodiment, in step 3, water pump
The power value function of operation is as follows:
Wherein, performance number when P is m platform parallel connection pump, n1For water pump rated speed value, n2For water pump operation revolving speed
Value；a1、b1、c1、a2、b2、c2Respectively water pump Q-H performance curve coefficient and Q-P performance curve coefficient；
The minimum power value function are as follows:
The present invention is by above-mentioned minimum power value function, according to specified required flow and required lift and pump performance
Operation number of units value and revolving speed corresponding under the demand of minimum power operation can be calculated in parameter and performance curve coefficient
Value guarantees that the operation of water pump in water system is in optimum state.
In the preferred case, water pump is the range of speeds for having normal operation, according to the flow of water system and lift need
It asks, revolving speed (rev/min) range of water pump setting are as follows: 900≤n2≤1450.And in general water system, also according to water system
Scale selects maximum operation number of units, and the operation number of units range of water pump is 1 to 3 under normal circumstances.
Parallel water pump runing adjustment method present invention as described above, which is characterized in that after step 5, according to described
Optimal number of units value and optimized rotating speed value control the water pump operation.Obtaining above-mentioned optimized operation number of units value and optimized operation revolving speed
After value, corresponding water pump quantity and adjustment pump rotary speed can be started, to reach by control system or other control modes
To optimized operation effect.
The present invention also goes out a kind of intelligent terminal, and in preferred embodiment, the intelligent terminal includes: memory, processing
Device and the parallel water pump runing adjustment program that is stored on the memory and can run on the processor, the parallel connection water
Pump operation adjusts the step of realizing parallel water pump runing adjustment method as described above when program is executed by the processor.
The present invention also proposes a kind of storage medium, and in preferred embodiment, the storage medium is stored with parallel water pump
Runing adjustment program, the parallel water pump runing adjustment program realize that parallel water pump operation as described above is adjusted when being executed by processor
The step of section method.
The present invention, for solution, can not only directly give water pump operation to the optimized operation Energy Conservation of parallel water pump
Optimal amount and working frequency (revolving speed), and can guarantee that the realization of water pump operation energy consumption is minimum, to maximumlly save empty
Water transfer system parallel water pump operation energy consumption.
It should be understood that the particular order or level of the step of during disclosed are the examples of illustrative methods.Based on setting
Count preference, it should be appreciated that in the process the step of particular order or level can be in the feelings for the protection scope for not departing from the disclosure
It is rearranged under condition.Appended claim to a method is not illustratively sequentially to give the element of various steps, and not
It is to be limited to the particular order or level.
In above-mentioned detailed description, various features are combined together in single embodiment, to simplify the disclosure.No
This published method should be construed to reflect such intention, that is, the embodiment of theme claimed needs to compare
The more features of the feature clearly stated in each claim.On the contrary, as appended claims is reflected
Like that, the present invention is in the state fewer than whole features of disclosed single embodiment.Therefore, appended claims
It is hereby expressly incorporated into detailed description, wherein each claim is used as alone the individual preferred embodiment of the present invention.
For can be realized any technical staff in the art or using the present invention, above to disclosed embodiment into
Description is gone.To those skilled in the art；The various modifications mode of these embodiments will be apparent from, and this
The General Principle of text definition can also be suitable for other embodiments on the basis of not departing from the spirit and scope of the disclosure.
Therefore, the disclosure is not limited to embodiments set forth herein, but most wide with principle disclosed in the present application and novel features
Range is consistent.
Description above includes the citing of one or more embodiments.Certainly, in order to describe above-described embodiment and description portion
The all possible combination of part or method is impossible, but it will be appreciated by one of ordinary skill in the art that each implementation
Example can do further combinations and permutations.Therefore, embodiment described herein is intended to cover fall into the appended claims
Protection scope in all such changes, modifications and variations.In addition, with regard to term used in specification or claims
The mode that covers of "comprising", the word is similar to term " includes ", just as " including " solved in the claims as transitional word
As releasing.In addition, the use of any one of specification in claims term "or" being to indicate " non-exclusionism
Or ".
Those skilled in the art will also be appreciated that the various illustrative components, blocks that the embodiment of the present invention is listed
(illustrative logical block), unit and step can by electronic hardware, computer software, or both knot
Conjunction is realized.For the replaceability (interchangeability) for clearly showing that hardware and software, above-mentioned various explanations
Property component (illustrative components), unit and step universally describe their function.Such function
It can be that the design requirement for depending on specific application and whole system is realized by hardware or software.Those skilled in the art
Can be can be used by various methods and realize the function, but this realization is understood not to for every kind of specific application
Range beyond protection of the embodiment of the present invention.
Various illustrative logical blocks or unit described in the embodiment of the present invention can by general processor,
Digital signal processor, specific integrated circuit (ASIC), field programmable gate array or other programmable logic devices, discrete gate
Or transistor logic, discrete hardware components or above-mentioned any combination of design carry out implementation or operation described function.General place
Managing device can be microprocessor, and optionally, which may be any traditional processor, controller, microcontroller
Device or state machine.Processor can also be realized by the combination of computing device, such as digital signal processor and microprocessor,
Multi-microprocessor, one or more microprocessors combine a digital signal processor core or any other like configuration
To realize.
The step of method described in the embodiment of the present invention or algorithm can be directly embedded into hardware, processor execute it is soft
The combination of part module or the two.Software module can store in RAM memory, flash memory, ROM memory, EPROM storage
Other any form of storaging mediums in device, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this field
In.Illustratively, storaging medium can be connect with processor, so that processor can read information from storaging medium, and
It can be to storaging medium stored and written information.Optionally, storaging medium can also be integrated into the processor.Processor and storaging medium can
To be set in asic, ASIC be can be set in user terminal.Optionally, processor and storaging medium also can be set in
In different components in the terminal of family.
In one or more exemplary designs, above-mentioned function described in the embodiment of the present invention can be in hardware, soft
Part, firmware or any combination of this three are realized.If realized in software, these functions be can store and computer-readable
On medium, or it is transferred on a computer readable medium in the form of one or more instructions or code forms.Computer readable medium includes electricity
Brain storaging medium and convenient for so that computer program is allowed to be transferred to from a place telecommunication media in other places.Storaging medium can be with
It is that any general or special computer can be with the useable medium of access.For example, such computer readable media may include but
It is not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storages, disk storage or other magnetic storage devices or other
What can be used for carry or store with instruct or data structure and it is other can be by general or special computer or general or specially treated
The medium of the program code of device reading form.In addition, any connection can be properly termed computer readable medium, example
Such as, if software is to pass through a coaxial cable, fiber optic cables, double from a web-site, server or other remote resources
Twisted wire, Digital Subscriber Line (DSL) are defined with being also contained in for the wireless way for transmitting such as example infrared, wireless and microwave
In computer readable medium.The disk (disk) and disk (disc) includes compress disk, radium-shine disk, CD, DVD, floppy disk
And Blu-ray Disc, disk is usually with magnetic replicate data, and disk usually carries out optically replicated data with laser.Combinations of the above
Also it may be embodied in computer readable medium.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of parallel water pump runing adjustment method characterized by comprising
Step 1, flow needed for being run according to system and required operation lift, obtain the different corresponding fortune of water pump operation number of units
Row power；
Step 2 obtains separate unit pump's performance curre coefficient according to the performance parameter of water pump；
Step 3 obtains the water pump operation of different number of units according to the operation power and the separate unit characteristic curve of pump coefficient
When minimum power value function；
Step 4 solves the optimal number of units value of water pump of operation via the minimum power value function；
Step 5 acquires water pump optimized rotating speed value according to the optimal number of units value of water pump.
2. parallel water pump runing adjustment method as described in claim 1, which is characterized in that in step 1, the operation institute
Needing flow is Q, and lift needed for the operation is H, and enabling water pump operation number of units respectively is 1,2 ... m, acquires different water pump operation number of units
When operation power P (1), P (2) ... P (m).
3. parallel water pump runing adjustment method as claimed in claim 2, which is characterized in that in step 2, the new energy is bent
Linear system number is that separate unit water pump corresponds to flow-lift performance curve and flow-power-performance curve coefficient.
4. parallel water pump runing adjustment method as claimed in claim 3, which is characterized in that in step 3, the function of water pump operation
Rate value function is as follows:
Wherein, performance number when P is m platform parallel connection pump, n1For water pump rated speed value, n2For water pump operation tachometer value；
a1、b1、c1、a2、b2、c2Respectively water pump Q-H performance curve coefficient and Q-P performance curve coefficient；
The minimum power value function are as follows:
5. parallel water pump runing adjustment method as claimed in claim 4, which is characterized in that after step 5, according to it is described most
Excellent number of units value and optimized rotating speed value control the water pump operation.
6. a kind of intelligent terminal, which is characterized in that the intelligent terminal includes: memory, processor and is stored in the storage
On device and the parallel water pump runing adjustment program that can run on the processor, the parallel water pump runing adjustment program is by institute
State the step of realizing parallel water pump runing adjustment method as described in any one in claim 1-5 when processor executes.
7. a kind of storage medium, which is characterized in that the storage medium is stored with parallel water pump runing adjustment program, the parallel connection
Water pump operation, which is adjusted, realizes any one of the claim 1-5 parallel water pump runing adjustment method when program is executed by processor
Step.
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| CN111140486A (en) * | 2019-12-31 | 2020-05-12 | 武汉睿山智水科技发展有限公司 | Speed-regulating water pump scheduling method of step pump station and electronic equipment |
| CN111502967A (en) * | 2020-04-01 | 2020-08-07 | 上海电力大学 | Optimized parallel operation method for multiple variable-frequency water pumps |
| CN114320867A (en) * | 2022-03-15 | 2022-04-12 | 河北建投水务投资有限公司 | Frequency-conversion speed-regulation intelligent operation method and system for water supply pump set |
| CN114413458A (en) * | 2022-01-25 | 2022-04-29 | 清华大学 | Water pump parallel operation control method, device, equipment and medium for air-conditioning water system |
| CN115247872A (en) * | 2022-07-27 | 2022-10-28 | 广东机场白云信息科技有限公司 | Energy-saving control method and device for parallel chilled water pump sets and storage medium |
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Application publication date: 20190723 |