CN110471372A - A kind of dispatching method between more water pumps - Google Patents
A kind of dispatching method between more water pumps Download PDFInfo
- Publication number
- CN110471372A CN110471372A CN201810451174.8A CN201810451174A CN110471372A CN 110471372 A CN110471372 A CN 110471372A CN 201810451174 A CN201810451174 A CN 201810451174A CN 110471372 A CN110471372 A CN 110471372A
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- China
- Prior art keywords
- water
- water pump
- host
- frequency converter
- pump
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06315—Needs-based resource requirements planning or analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention provides the dispatching methods between a kind of more water pumps, wherein the dispatching method is the following steps are included: whether water flow step S2, the host water pump that step S1, detection obtain the water pump group judge the water flow more than a preset flow threshold value;Step S3, if so, execution single water pump water supply pattern supply water using the host pump working and return step S1;Step S4, if it is not, the host water pump sends a control instruction to the corresponding slave water pump, the simultaneously return step S1 that supply water is worked together to control multiple slave water pumps and the host water pump.The beneficial effect of its technical solution is, master & slave control is realized between water pump, and can realize the scheduling between multiple water pumps, effectively raises the water application efficiency of water system.
Description
Technical field
The present invention relates to the dispatching methods between building hydrotechny field more particularly to a kind of more water pumps.
Background technique
The motor speed control device of existing Automatic Constant-pressure Water Supplying System application is all made of alternating frequency conversion technique, and system
Control device uses PLC controller, because PLC can not only realize the logic control of pump group, valve, the number of also achievable system
PID regulatory function can also complete the CRT of system conditions to the real time monitoring at the various operating parameter control points in system
The functions such as picture shows, alarm failure and type list.Existing principal and subordinate's water pump control is divided into stiff shaft connection type or flexibility even
It connects, it is the connection between liquid that principal and subordinate's pump of water supply unit, which is to realize connection by the interior water of gathering tube,.How according to water outlet
It measures to be scheduled multiple water pumps in multiple water pump groups and realizes that the mean allocation of load is problem to be solved instantly.
Summary of the invention
For the above problem existing for the scheduling between multiple water pumps in the prior art, one kind is now provided and is aimed to more
A water pump realizes scheduling, can effectively improve the dispatching method of the efficiency of water system.
Specific technical solution is as follows:
Dispatching method between a kind of more water pumps, wherein a water pump group being made of multiple water pumps, the water pump are provided
Group is installed on a water supply pipe;
The multiple slave water pumps for including a host water pump in the water pump group and being connect with the host water pump;
The water pump group provides a single water pump water supply pattern and more than one water pump water supply pattern;
The dispatching method the following steps are included:
Step S1, detection obtains the water flow of the water pump group;
Step S2, whether the described host water pump judges the water flow more than a preset flow threshold value;
Step S3, it is supplied water and is returned using the host pump working if so, executing single water pump water supply pattern
Step S1;
Step S4, multiple to control if it is not, the host water pump one control instruction of transmission is to the corresponding slave water pump
The slave water pump and the host water pump work together the simultaneously return step S1 that supply water.
Preferably, a frequency converter is provided, the frequency converter is connect with the motor of each water pump;
A controller is also provided, the controller is connect with the frequency converter and each water pump, the controller
To control being turned on or off for the water pump.
Preferably, a water pressure transmitter is provided, the water pressure transmitter is set in the water supply pipe, and the hydraulic pressure becomes
Device is sent to connect with the frequency converter in the host water pump;
The water pressure transmitter is to detect the corresponding pressure of supply water value of the water flow in the water supply pipe.
Preferably, the frequency converter includes a primary transducer and one from frequency converter, the primary transducer and the host
Water pump connection;
It is described to be connect from frequency converter with the host water pump and the slave water pump.
Preferably, a power supply module is provided, the power supply module is described with frequency converter described in the controller and each
Water pump connection.
Preferably, a pump characteristic is preserved in the controller;
When the host water pump executes single water pump water supply pattern, the controller is obtained according to the water flow
Pressure of supply water value corresponding with the current water flow;
Form a control instruction according to the pressure of supply water value and the pump characteristic, the control instruction to
The output frequency for controlling the frequency converter adjusts the revolving speed of the motor by the output frequency of the frequency converter.
Preferably, the motor is permasyn morot.
Preferably, each water pump be configured with communication unit, each water pump by the communication unit by itself
Work state information be sent in the monitor terminal being connect with the water pump group.
Preferably, the communication unit is NB-IOT mould group.
Preferably, a control switch is arranged in each water pump, and the control switch is connect with the frequency converter, the change
Frequency device is connect with the pressure-detecting device;
The pressure of supply water value of the controller to receive pressure-detecting device detection, the controller according to
The pressure of supply water value controls access or the open circuit of the control switch.
Above-mentioned technical proposal has the following advantages that or the utility model has the advantages that realizes master & slave control between water pump, and can realize multiple
Scheduling between water pump effectively raises the water application efficiency of water system.
Detailed description of the invention
With reference to appended attached drawing, more fully to describe the embodiment of the present invention.However, appended attached drawing be merely to illustrate and
It illustrates, and is not meant to limit the scope of the invention.
Fig. 1 is the flow chart of the dispatching method embodiment between a kind of more water pumps of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
It include the dispatching method between a kind of more water pumps in technical solution of the present invention.
The embodiment of dispatching method between a kind of more water pumps, wherein providing one has the water pump group being made of multiple water pumps
Multiple slave water pumps that group includes a host water pump in water pump group and is connect with host water pump, water pump group are installed on one
On water supply pipe
Water pump group provides a single water pump water supply pattern and more than one water pump water supply pattern;
Such as Fig. 1, dispatching method the following steps are included:
Step S1, detection obtains the water flow of water pump group;
Step S2, whether host water pump judges water flow more than a preset flow threshold value;
Step S3, if so, the single water pump water supply pattern of execution supply water using host pump working and return step S1;
Step S4, if it is not, host water pump sends a control instruction to corresponding slave water pump, to control multiple slave water pumps
The simultaneously return step S1 that supply water is worked together with host water pump.
In above-mentioned technical proposal, the water system of water pump group composition can be selected at work according to the size of water flow
It selects more or more water pumps supplies water, imitated by the water supply that the switching between water supply pattern can effectively improve water pump group
Rate.
In a kind of preferably embodiment, a frequency converter is provided, frequency converter is connect with the motor of each water pump;
A controller is also provided, controller is connect with frequency converter and each water pump, and controller is to control opening for water pump
It opens or closes.
In a kind of preferably embodiment, a water pressure transmitter is provided, water pressure transmitter is set in water supply pipe, water
Pressure transmitter is connect with the frequency converter in host water pump;
Water pressure transmitter is to detect the corresponding pressure of supply water value of the water flow in water supply pipe.
In a kind of preferably embodiment, frequency converter includes a primary transducer and one from frequency converter, primary transducer with
The connection of host water pump;
It is connect from frequency converter with host water pump and slave water pump.
In above-mentioned technical proposal, frequency converter includes a primary transducer and one from frequency converter, primary transducer and host water pump
Connection, when the pressure value of water yield is less than the pressure threshold of setting, and the operating point of host water pump is not higher by high efficient district, control
Device will increase the output of primary transducer, but not by starting slave water pump from frequency converter;
When the pressure value of water yield is less than the pressure threshold of setting and the operating point of host water pump exceeds high efficient district, control
Device will be by starting slave water pump from frequency converter, and the operating point of master and slave water pump is made to be moved to high efficient district by inefficient area;
When the pressure value of water yield is greater than the pressure threshold of setting, controller will be at the operating point for keeping host water pump
The output from frequency converter is reduced in the case where high efficient district, until closing from frequency converter;
If the pressure value of water yield is positive value and is greater than the change rate threshold value of setting simultaneously, controller reduces master and slave
The output frequency of frequency converter;
If the change rate of the pressure value of water yield is positive value and the threshold value of change rate for being less than setting, controller is kept
The output frequency of principal and subordinate's frequency converter is constant;
If the change rate of the pressure value of water yield is negative value and the threshold value of change rate for being less than setting, controller will increase
Add the output frequency of principal and subordinate's frequency converter.
In a kind of preferably embodiment, a power supply module is provided, power supply module is with controller frequency converter and each
Water pump connection.
In above scheme, power supply module is to be converted to controller frequency converter and every for the electric energy of outside line provided
The electric energy of the work of a water pump need.
In a kind of preferably embodiment, controller can provide a memory module, and a water is preserved in memory module
Pump characteristic curve;
When host water pump executes single water pump water supply pattern, controller obtains and current water flow according to water flow
Corresponding pressure of supply water value;
A control instruction is formed according to pressure of supply water value and pump characteristic, control instruction is to control frequency converter
Output frequency adjusts the revolving speed of motor by the output frequency of frequency converter.
In above-mentioned technical proposal, efficiency curve, water are additionally provided in addition to being provided with pump characteristic (P-Q) in controller
Output of the characteristic curve of pump to adjust frequency converter according to pressure of supply water value, efficiency curve supply water to control selections list water pump
Mode or more water pump water supply patterns.
In a kind of preferably embodiment, motor is permasyn morot.
In a kind of preferably embodiment, each water pump is configured with communication unit, and each water pump will by communication unit
The work state information of itself is sent in the monitor terminal connecting with water pump group.
In a kind of preferably embodiment, communication unit is NB-IOT mould group.
In a kind of preferably embodiment, a control switch is arranged in each water pump, and control switch is connect with frequency converter, becomes
Frequency device is connect with pressure-detecting device;
Pressure of supply water value of the controller to receive pressure-detecting device detection, controller are controlled according to pressure of supply water value and are controlled
Make access or the open circuit of switch.
In above-mentioned technical proposal, (Narrow Band Internet ofThings, NB-IoT, narrowband Internet of Things) becomes
One important branch of all things on earth internet.
NB-IoT is implemented in cellular network, only consumes the bandwidth of about 180KHz, can be deployed directly into GSM network, UMTS
Network or LTE network, to reduce lower deployment cost, smooth upgrade can be achieved.In a kind of preferably embodiment, water pump group
Total water outlet is provided with a pressure-detecting device, to detect the pressure of supply water value of water pump group.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (10)
1. the dispatching method between a kind of more water pumps, which is characterized in that a water pump group being made of multiple water pumps is provided, it is described
Water pump group is installed on a water supply pipe;
The multiple slave water pumps for including a host water pump in the water pump group and being connect with the host water pump;
The water pump group provides a single water pump water supply pattern and more than one water pump water supply pattern;
The dispatching method the following steps are included:
Step S1, detection obtains the water flow of the water pump group;
Step S2, whether the described host water pump judges the water flow more than a preset flow threshold value;
Step S3, if so, execution single water pump water supply pattern supply water using the host pump working and return step
S1;
Step S4, multiple described to control if it is not, the host water pump one control instruction of transmission is to the corresponding slave water pump
Slave water pump and the host water pump work together the simultaneously return step S1 that supply water.
2. dispatching method according to claim 1, which is characterized in that provide a frequency converter, the frequency converter and each institute
State the motor connection of water pump;
One controller is also provided, the controller is connect with the frequency converter and each water pump, the controller to
Control being turned on or off for the water pump.
3. dispatching method according to claim 1, which is characterized in that provide a water pressure transmitter, the water pressure transmitter
It is set in the water supply pipe, the water pressure transmitter is connect with the frequency converter in the host water pump;
The water pressure transmitter is to detect the corresponding pressure of supply water value of the water flow in the water supply pipe.
4. dispatching method according to claim 3, which is characterized in that the frequency converter include a primary transducer and one from
Frequency converter, the primary transducer are connect with the host water pump;
It is described to be connect from frequency converter with the host water pump and the slave water pump.
5. dispatching method according to claim 3, which is characterized in that provide a power supply module, the power supply module and institute
State frequency converter described in controller and each water pump connection.
6. dispatching method according to claim 2, which is characterized in that preserve pump characteristics song in the controller
Line;
When the host water pump executes single water pump water supply pattern, the controller obtains and works as according to the water flow
The corresponding pressure of supply water value of the preceding water flow;
A control instruction is formed according to the pressure of supply water value and the pump characteristic, the control instruction is to control
The output frequency of the frequency converter adjusts the revolving speed of the motor by the output frequency of the frequency converter.
7. dispatching method according to claim 2, which is characterized in that the motor is permasyn morot.
8. dispatching method according to claim 1, which is characterized in that each water pump is configured with communication unit, each
The work state information of itself is sent to the monitoring connecting with the water pump group by the communication unit by the water pump
In terminal.
9. dispatching method according to claim 5, which is characterized in that the communication unit is NB-IOT mould group.
10. dispatching method according to claim 2, which is characterized in that a control switch is arranged in each water pump, described
Control switch is connect with the frequency converter, and the frequency converter is connect with the pressure-detecting device;
The pressure of supply water value of the controller to receive the pressure-detecting device detection, the controller is according to
Pressure of supply water value controls access or the open circuit of the control switch.
Priority Applications (1)
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CN201810451174.8A CN110471372A (en) | 2018-05-11 | 2018-05-11 | A kind of dispatching method between more water pumps |
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CN201810451174.8A CN110471372A (en) | 2018-05-11 | 2018-05-11 | A kind of dispatching method between more water pumps |
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CN201810451174.8A Pending CN110471372A (en) | 2018-05-11 | 2018-05-11 | A kind of dispatching method between more water pumps |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110820845A (en) * | 2019-11-26 | 2020-02-21 | 珠海格力电器股份有限公司 | Water supply system and water pressure pressurization method and device thereof |
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CN103362178A (en) * | 2012-04-09 | 2013-10-23 | 株式会社日立产机系统 | Water supply system |
CN105492772A (en) * | 2013-04-12 | 2016-04-13 | 滨特尔泵集团公司 | Water booster control system and method |
CN108279632A (en) * | 2018-02-09 | 2018-07-13 | 杭州亚大自动化有限公司 | A kind of pumping plant wisdom draining Dispatching Control System |
CN109872247A (en) * | 2018-12-10 | 2019-06-11 | 清华大学 | A kind of pump group fit method of characteristics curve |
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2018
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101251115A (en) * | 2007-02-22 | 2008-08-27 | 株式会社日立产机系统 | Autonomous decentralized system for n-multiple system of water feeding apparatus |
CN103362178A (en) * | 2012-04-09 | 2013-10-23 | 株式会社日立产机系统 | Water supply system |
CN202758212U (en) * | 2012-04-13 | 2013-02-27 | 深圳达实智能股份有限公司 | Integrated automatic monitoring system of pumping station |
CN105492772A (en) * | 2013-04-12 | 2016-04-13 | 滨特尔泵集团公司 | Water booster control system and method |
CN108279632A (en) * | 2018-02-09 | 2018-07-13 | 杭州亚大自动化有限公司 | A kind of pumping plant wisdom draining Dispatching Control System |
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CN110820845A (en) * | 2019-11-26 | 2020-02-21 | 珠海格力电器股份有限公司 | Water supply system and water pressure pressurization method and device thereof |
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Application publication date: 20191119 |