CN106284485B - A kind of intelligent control green energy conservation water supply device and water-supply control - Google Patents
A kind of intelligent control green energy conservation water supply device and water-supply control Download PDFInfo
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- CN106284485B CN106284485B CN201610822019.3A CN201610822019A CN106284485B CN 106284485 B CN106284485 B CN 106284485B CN 201610822019 A CN201610822019 A CN 201610822019A CN 106284485 B CN106284485 B CN 106284485B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 200
- 238000004134 energy conservation Methods 0.000 title claims abstract description 27
- 238000004458 analytical method Methods 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 238000005265 energy consumption Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003712 anti-aging effect Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/02—Methods or layout of installations for water supply for public or like main supply for industrial use
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention provides a kind of intelligent control green energy conservation water supply device and water-supply controls.The problems such as stability that it solves existing water system is bad, water system pressure is difficult to constant and energy dissipation.This intelligent control green energy conservation water supply device, including the measurement of water tank, water pump, motor, control cabinet, industrial personal computer and efficiency and analysis platform, the water tank, water pump and motor are provided with system detection sensor, control cabinet, efficiency measurement is stated for industrial personal computer and detection sensor electric connection to be electrically connected with industrial personal computer with analysis platform, control cabinet includes programmable logic controller (PLC) and frequency converter, programmable logic controller (PLC) and industrial personal computer are electrically connected, frequency converter and programmable logic controller (PLC) are electrically connected, and motor and frequency converter are electrically connected.It improves running efficiency of system and enhances the job stability of system by the optimal water supply pattern of analog selection.
Description
Technical field
The invention belongs to water supply technical fields, are related to a kind of water-supply systems, in particular to a kind of intelligent control green
Energy saving water supply device and water-supply control.
Background technique
Water system is a complicated industrial control system, and there are the features such as complicated and changeable, strong real-time, water systems
It experienced the evolution of the modes such as constant speed pump pressurization water supply, water tower high-level tank water, airpressured pitcher, constant pressure water supply, just
Step forms extensive constant pressure water supply system.
But there are still following shortcomings for existing constant pressure water supply system.
1, device efficiency is low: water system pipe network is huge, and there are many low-quality pipe networks and super time limit military service pipe network, supplies water
Ageing equipment, type selecting are improper, cause operational efficiency low.
2, manage and dispatch is difficult: water system range is wide, be distributed it is at random, system information mainly by artificially collecting and manage,
Real-time is poor, low efficiency, and intelligence degree is low.
3, energy waste is serious: water pump efficiency is related to its operating point, and existing water system is difficult to ensure all water
Pump work in efficiency highest point, and when water demand variation when, it is difficult in time adjustment, lead to the waste of energy.
Summary of the invention
First goal of the invention of the invention is the presence of the above problem in view of the prior art, proposes a kind of intelligent control
Green energy conservation water supply device, the technical problem to be solved is that the efficiency for how improving water supply device and enhancing systems to work for it
Stability.
First goal of the invention of the invention can be realized by the following technical scheme: a kind of intelligent control green energy conservation confession
Water installations, including water tank, water pump and motor for driving pump working, the water tank is connected by water supplying pipe with water pump,
Be characterized in that, the water tank, water pump and motor are provided with system detection sensor, the water supply device further include control cabinet,
Industrial personal computer and efficiency measurement and analysis platform, the industrial personal computer and detection sensor are electrically connected, the control cabinet, efficiency measurement
It is electrically connected with industrial personal computer with analysis platform, the control cabinet includes programmable logic controller (PLC) and frequency converter, described to compile
Journey logic controller and industrial personal computer are electrically connected, and the frequency converter and programmable logic controller (PLC) are electrically connected, the motor with
Frequency converter is electrically connected.
Industrial personal computer (Industrial Personal Computer, IPC) i.e. industrial control computer is a kind of using total
Cable architecture carries out the tool general name of Detection & Controling to production process and electromechanical equipment, technological equipment.Industrial personal computer has important
Computer attribute and feature, such as have computer CPU, hard disk, memory, peripheral hardware and interface, and have operating system, control network and
Agreement, computing capability, the man-machine interface of close friend.The product and technology of industry control industry are very special, belong to intermediate products, are for it
He provides reliable, embedded, intelligentized industrial computer at every profession and trade.Programmable logic controller (PLC), it is using a kind of programmable
Memory, be used for its internally stored program, execute logical operation, sequential control, timing, counting and arithmetical operation etc. towards with
The instruction at family, and various types of mechanical or production processes are controlled by number or analog pattern input/output.System detection sensing
The system status information that device will test is sent to industrial personal computer, and industrial personal computer is analyzed and processed according to the system status information of acquisition
And system processing result is sent to efficiency measurement and analysis platform, efficiency measurement and analysis platform are according to the system mode of upload
Information analysis system real time energy consumption is simultaneously shown, while simulating other water supply patterns, carries out energy consumption point to different water supply patterns
Analysis and prediction, select optimal water supply pattern, improve running efficiency of system, and industrial personal computer receives efficiency measurement and ties with analysis platform analysis
After fruit, industrial personal computer regulates and controls motor and water pump by control cabinet according to system information sending control instruction to control cabinet, from
And improve the efficiency of this water supply device and the job stability of enhancing system.
In above-mentioned intelligent control green energy conservation water supply device, the quantity of the motor and water pump is consistent, and motor
It is arranged in a one-to-one correspondence with water pump, the control cabinet further includes several breakers and several reclosings, and each breaker is electrical
It is connected between a motor and a frequency converter, the reclosing is arranged in a one-to-one correspondence with breaker, and each reclosing is and relatively
The breaker answered is electrically connected, and each reclosing is electrically connected with industrial personal computer.Control cabinet receives the control instruction of industrial personal computer, to electricity
Machine carries out the switch of selectivity, can further increase the efficiency of water supply device and the job stability of enhancing system, keep away simultaneously
Exempt from energy dissipation.
In above-mentioned intelligent control green energy conservation water supply device, the water outlet of each water pump with same water supplying pipe phase
Connection, the water inlet of each water pump are connected with same water inlet pipe.Parallel running mode, and water pump are used between each water pump
It is not provided with regulating valve between water supplying pipe, water pump and water inlet pipe, it realizes whole variable frequency work moulds using alternating frequency conversion technique
Formula, variable frequency work pattern can guarantee that water pump is run in high efficient area always under constant pressure water supply, and high efficient area is than original control
25% or more efficiency can be improved in system processed.
In above-mentioned intelligent control green energy conservation water supply device, the main shaft of the water pump and the output shaft of motor pass through connection
Axis device is connected.Water pump is connected directly with motor, so that water pump and motor remain that synchronous rotational speed is run, to guarantee to control
Cabinet is more rapidly and accurate to the regulation of water pump and motor.
In above-mentioned intelligent control green energy conservation water supply device, the motor is the permanent magnetism that rotor uses magnet structure
Synchronous motor.Permanent magnet synchronous motor have many advantages, such as high-efficient, net synchronization capability is good, control more rapidly it is accurate, may be implemented be
It unites energy-efficient purpose, the stability of system operation also can be improved.
In above-mentioned intelligent control green energy conservation water supply device, the water tank is provided with water quality monitoring sensor, institute
It states industrial personal computer and water quality monitoring sensor is electrically connected.Water quality monitoring sensor can make full use of water system software and hardware to provide
Round-the-clock long-range automatic monitoring is realized in source, carries out early warning to water pollution.
In above-mentioned intelligent control green energy conservation water supply device, the water tank is made of food-grade stainless steel material
It forms.Food-grade stainless steel material can guarantee safety and sanitation from raw material, not corrode, do not pollute, is anti-aging, improve the clean of water
Cleanliness.
Second goal of the invention of the invention is the presence of the above problem in view of the prior art, proposes a kind of intelligent control
The water-supply control of green energy conservation, it the technical problem to be solved is that how to improve water application efficiency and enhancing system work
Stability.
Second goal of the invention of the invention can be realized by the following technical scheme: a kind of intelligent control green energy conservation
Water-supply control, which is characterized in that comprise the steps of:
A, detection system state: system status information and the upload of system detection sensor acquisition water tank, water pump and motor
To industrial personal computer；
B, analysis and processing: industrial personal computer, and will be at system according to system detection biosensor analysis above system status information
Reason result is sent to efficiency measurement and analysis platform, and efficiency measurement changes equipment operating parameter with analysis platform simulation, and selection is most
Excellent water supply pattern is simultaneously sent to industrial personal computer；
C, regulate and control: industrial personal computer receives efficiency measurement with after the optimal water supply pattern scheme of analysis platform, and industrial personal computer passes through control
Cabinet processed regulates and controls the working condition of motor and water pump.
This water-supply control be acquired, analyzed by the system status information to water tank, water pump and motor, handled and
Simulation calculates, and selects optimal water supply pattern and is regulated and controled, and can guarantee the stability of water application efficiency and the work of enhancing system.
In the water-supply control of above-mentioned intelligent control green energy conservation, which is characterized in that in step B, the efficiency is surveyed
Amount has the display for display system real time energy consumption with analysis platform.Operator by being shown by observation display
System real time energy consumption can carry out assistant regulating and controlling, be further ensured that the stability of water application efficiency and the work of enhancing system.
In the water-supply control of above-mentioned intelligent control green energy conservation, which is characterized in that in step C, the motor
Quantity is 3~8, and each motor is not simultaneously closed off when supplying water.Each motor drives corresponding water pump to work, above-mentioned motor
It is arranged with the quantity of water pump, can supplies water, keep away only with part motor or water pump under the premise of guaranteeing constant pressure water supply
Exempt from multiple unnecessary work at the same time of motor and lead to energy dissipation, but also can be avoided single motor and individually drag water pump confession
Water and cause water application efficiency poor, while extending the service life of motor.
Due to the adoption of the above technical scheme, compared with prior art, it is the advantages of the invention patent:
1, the invention patent provides a kind of intelligent control green energy conservation water supply device and water-supply control, adopts in system
Water pump operation is driven with permanent magnet synchronous motor, improves system effectiveness, enhances system stability, and then realize energy-efficient mesh
's.
2, the full variable mode operation of all water pumps is realized using variable-frequency control technique using parallel connection pump mode,
It runs water pump in high efficient area, improves efficiency 25% or more than original control system.
3, using intelligent control water pump lift traffic policy, established procedure operation or the adjustment of water pump are realized, and
The remote operation and monitoring of realization system realize real-time record and the energy consumption display prediction of system mode.
4, using excellent material water tank, guarantee the safety and sanitation supplied water, realize the convenient cleaning of water storage system, water quality is installed
Detection sensor realizes the real-time monitoring and early warning of water level water quality, guarantees that water quality is environmentally protective.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of water supply device of the invention.
Fig. 2 is the systematic schematic diagram of water supply device in the present invention.
Fig. 3 is the attachment structure schematic diagram of motor and water pump in the present invention.
In figure, 1, water tank；2, water pump；3, motor；4, control cabinet；5, industrial personal computer；6, efficiency measurement and analysis platform；7, it is
System detection sensor；8, shaft coupling；9, programmable logic controller (PLC)；10, frequency converter；11, breaker；12, reclosing；13, it supplies
Water pipe；14, water inlet pipe；15, display；16, water quality monitoring sensor.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Referring to Figures 1 and 2, this intelligent control green energy conservation water supply device, including 1,4, water tank, 2,4, water pump motor 3,
Control cabinet 4, industrial personal computer 5 and efficiency measurement and analysis platform 6, motor 3 and water pump 2 are arranged in a one-to-one correspondence, and motor 3 is for driving
Corresponding water pump 2 supplies water, and 4 water pumps 2 are parallel with one another, i.e., the water inlet of each water pump 2 is connected with same water inlet pipe 14
Logical, the water outlet of each water pump 2 is connected with same water supplying pipe 13, which is connected with water tank 1.In this water supply device
Water tank 1, water pump 2 and motor 3 be provided with system detection sensor 7, industrial personal computer 5 and system detection sensor 7 are electrically connected,
Control cabinet 4, efficiency measurement are electrically connected with industrial personal computer 5 with analysis platform 6, and efficiency measurement has with analysis platform 6 for showing
Show that the display 15 of system real time energy consumption, control cabinet 4 include programmable logic controller (PLC) 9, frequency converter 10, breaker 11 and be overlapped
Lock 12, frequency converter 10, breaker 11 and reclosing 12 are arranged in groups, and group number is consistent with the quantity of water pump 2 and motor 3, can
Programmed logic controller 9 and industrial personal computer 5 are electrically connected, and each frequency converter 10 is electrically connected with programmable logic controller (PLC) 9, motor 3
It is electrically connected between corresponding frequency converter 10 by breaker 11, reclosing 12 electrically connects with corresponding breaker 11
It connects, and each reclosing 12 is electrically connected with industrial personal computer 5.Water tank 1 is provided with water quality monitoring sensor 16, industrial personal computer 5 and water quality
Sensor 16 is monitored to be electrically connected.
Specific structure is as follows, and in conjunction with Fig. 3, the main shaft of water pump 2 is connected with the output shaft of motor 3 by shaft coupling 8.Water pump
2 are connected directly with motor 3, so that water pump 2 and motor 3 remain that synchronous rotational speed is run, to guarantee control cabinet 4 to water pump 2
Regulation with motor 3 is more rapidly and accurate.
Motor 3 in the present embodiment is the permanent magnet synchronous motor that rotor uses magnet structure.Permanent magnet synchronous motor has
It is high-efficient, net synchronization capability is good, control more rapidly it is accurate the advantages that, the purpose of energy saving of system may be implemented, system also can be improved
The stability of operation.Magnet structure rotor configurations can guarantee that motor 3 keeps greater efficiency to run in a wider range, this reality
Apply the efficiency that the permanent magnet synchronous motor in example can be kept above 90% compared to conventional asynchronous motor when far from rated operation point
Operation, and asynchronous machine efficiency is only 75% or so.
Water tank 1 in the present embodiment is made using food-grade stainless steel material.Food-grade stainless steel material can be from
The cleanliness that raw material guarantee safety and sanitation, do not corrode, do not pollute, is anti-aging, improving water.
The water-supply control of this intelligent control green energy conservation water supply device, comprises the steps of:
A, detection system state: system detection sensor 7 acquires the system status information of water tank 1, water pump 2 and motor 3 simultaneously
It is uploaded to industrial personal computer 5；
B, analysis and processing: industrial personal computer 5 analyzes above system status information according to system detection sensor 7, and by system
Processing result is sent to efficiency measurement and analysis platform 6, and system real time energy consumption is passed through display with analysis platform 6 by efficiency measurement
15 show, and simulate and change equipment operating parameter, select optimal water supply pattern and are sent to industrial personal computer 5；
C, regulate and control: industrial personal computer 5 receives efficiency measurement with after the optimal water supply pattern scheme of analysis platform 6, and industrial personal computer 5 passes through
Control cabinet 4 regulates and controls the working condition of motor 3 and water pump 2.
This water-supply control is acquired by the system status information to water tank 1, water pump 2 and motor 3, analyzed, located
Reason and simulation calculate, and select optimal water supply pattern and are regulated and controled, and it is steady can to guarantee that water application efficiency and enhancing system work
It is qualitative.
The quantitative range of motor 3 is 3~8 in the present embodiment, and preferably 4~6, each motor 3 is when supplying water when difference
It closes.Each motor 3 drives corresponding water pump to work, and the quantity setting of above-mentioned motor 3 and water pump 2 can guarantee perseverance
Under the premise of pressure supplies water, it can supply water only with part motor 3 or water pump 2, avoid multiple motors 3 are unnecessary from working at the same time
And lead to energy dissipation, and can be avoided single motor 3 and individually drag the water supply of water pump 2 and cause water application efficiency poor, simultaneously
The service life of motor can also be extended.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of intelligent control green energy conservation water supply device, including water tank (1), water pump (2) and for driving water pump (2) to work
Motor (3), the water tank (1) are connected by water supplying pipe (13) with water pump (2), which is characterized in that the water tank (1), water pump (2)
It is provided with system detection sensor (7) with motor (3), the water supply device further includes control cabinet (4), industrial personal computer (5) and energy
Effect measurement and analysis platform (6), the industrial personal computer (5) and system detection sensor (7) are electrically connected, the control cabinet (4), energy
Effect measurement is electrically connected with industrial personal computer (5) with analysis platform (6), and the control cabinet (4) includes programmable logic controller (PLC) (9)
With frequency converter (10), the programmable logic controller (PLC) (9) and industrial personal computer (5) are electrically connected, the frequency converter (10) with can compile
Journey logic controller (9) is electrically connected, and the motor (3) and frequency converter (10) are electrically connected, the motor (3) and water pump (2)
Quantity it is consistent, and motor (3) is arranged in a one-to-one correspondence with water pump (2), and the control cabinet (4) further includes several breakers
(11) it is electrically connected between a motor (3) and a frequency converter (10) with several reclosings (12), each breaker (11), institute
It states reclosing (12) to be arranged in a one-to-one correspondence with breaker (11), and each reclosing (12) is electrical with corresponding breaker (11)
Connection, each reclosing (12) with industrial personal computer (5) be electrically connected, the water outlet of each water pump (2) with same water supplying pipe
(13) it is connected, the water inlet of each water pump (2) is connected with same water inlet pipe (14).
2. intelligent control green energy conservation water supply device according to claim 1, which is characterized in that the master of the water pump (2)
Axis is connected with the output shaft of motor (3) by shaft coupling (8).
3. intelligent control green energy conservation water supply device according to claim 2, which is characterized in that the motor (3) is to turn
Son uses the permanent magnet synchronous motor of magnet structure.
4. intelligent control green energy conservation water supply device according to claim 1, which is characterized in that water tank (1) setting
Have water quality monitoring sensor (16), the industrial personal computer (5) and water quality monitoring sensor (16) are electrically connected.
5. intelligent control green energy conservation water supply device according to claim 4, which is characterized in that the water tank (1) is adopted
It is made with food-grade stainless steel material.
6. a kind of water supply controlling party of intelligent control green energy conservation water supply device described in -5 any one according to claim 1
Method, which is characterized in that comprise the steps of:
A, detection system state: system detection sensor (7) acquires the system mode letter of water tank (1), water pump (2) and motor (3)
It ceases and is uploaded to industrial personal computer (5)；
B, analysis and processing: industrial personal computer (5) analyzes above system status information according to system detection sensor (7), and by system
Processing result is sent to efficiency measurement and analysis platform (6), and efficiency measurement changes equipment operation with analysis platform (6) simulation and joins
Number, selects optimal water supply pattern and is sent to industrial personal computer (5)；
C, regulate and control: industrial personal computer (5) receives efficiency measurement with after the optimal water supply pattern scheme of analysis platform (6), and industrial personal computer (5) is logical
Control cabinet (4) is crossed to regulate and control the working condition of motor (3) and water pump (2).
7. the water-supply control of intelligent control green energy conservation water supply device according to claim 6, which is characterized in that step
In rapid B, the efficiency measurement has the display (15) for display system real time energy consumption with analysis platform (6).
8. the water-supply control of intelligent control green energy conservation water supply device according to claim 7, which is characterized in that step
In rapid C, the quantity of the motor (3) is 3~8, and each motor (3) does not simultaneously close off when supplying water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610822019.3A CN106284485B (en) | 2016-09-14 | 2016-09-14 | A kind of intelligent control green energy conservation water supply device and water-supply control |
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| CN106284485B true CN106284485B (en) | 2019-03-19 |
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| CN106284485A (en) | 2017-01-04 |
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Denomination of invention: Intelligently controlled green and energy-saving power supply device and water supply control method Effective date of registration: 20190929 Granted publication date: 20190319 Pledgee: Haining Zhejiang rural commercial bank, Limited by Share Ltd Pledgor: Zhejiang Yongfa electromechanical Co. Ltd. Registration number: Y2019990000297 |
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