CN102003397A - Submerged pump control system and submerged pump control method - Google Patents
Submerged pump control system and submerged pump control method Download PDFInfo
- Publication number
- CN102003397A CN102003397A CN2010106005405A CN201010600540A CN102003397A CN 102003397 A CN102003397 A CN 102003397A CN 2010106005405 A CN2010106005405 A CN 2010106005405A CN 201010600540 A CN201010600540 A CN 201010600540A CN 102003397 A CN102003397 A CN 102003397A
- Authority
- CN
- China
- Prior art keywords
- submersible pump
- control system
- lift
- controlling method
- submersible
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention provides a submerged pump control system and a submerged pump control method. The submerged pump control system according to the invention comprises a submerged pump suspension device, an automatic distance meter, a microcomputer control system and an asynchronous motor variable-frequency speed regulating system, wherein the submerged pump suspension device is used for suspending a submerged pump; the automatic distance meter is used for automatically measuring the water depth of a water pool; the microcomputer control system is used for calculating a dynamic lift value of the submerged pump according to a measured result of the automatic distance meter; and the asynchronous motor variable-frequency speed regulating system is used for performing variable-frequency speed regulation on a submerged motor according to the calculated dynamic lift value of the submerged pump. According to the invention, the submerged pump is suspended on the surface of the water pool, so that energy consumed by the submerged pump for lifting all water from the bottom of the water pool to the surface part of the water pool is saved and the aim of saving energy is fulfilled.
Description
Technical field
The present invention relates to submersible pump control field, specifically, the present invention relates to a kind of submersible pump control system and submersible pump controlling method.
Background technique
Submersible pump (complete) device is made up of control cabinet, diving cable lifting pipe, Submerged Motor Pumps and submersible motor.Submersible pump unit is to be used for from the pond at present or the visual plant of deep-well water lift.When using submersible pump unit, the work that pulls the plug of whole submersible pump unit.To submersible motor, the characteristics of load of the pumps are load resistive torque TL and square roughly being directly proportional of the rotation speed n of submersible pump, promptly
T
L＝Kn
2，
Wherein K is a coefficient.If the rotation speed n of submersible pump remains unchanged, the load resistive torque TL of submersible pump then remains unchanged, and the diving lift of pump also remains unchanged.
All according to above-mentioned principle work, its lift is constant for existing submersible pump unit, thus when work submersible pump generally all place basin bottom.
Yet from the angle analysis of water level promoting, energy that submersible pump all rises to the pond surface portion from basin bottom with water is loss in vain.Therefore, there is serious energy dissipation problem in submersible pump unit of the prior art.
Thus, hope can propose a kind of submersible pump control system and the submersible pump controlling method that can save the energy of submersible pump effectively.
Summary of the invention
So a technical problem to be solved by this invention just provides a kind of submersible pump control system and the submersible pump controlling method that can save the energy of submersible pump effectively.
According to a first aspect of the invention, provide a kind of submersible pump control system, it comprises: the submersible pump levitation device is used to make submersible pump unit to suspend; Automatic range finder is used for measuring automatically the depth of water degree of depth in pond; Control System of Microcomputer is used for calculating according to the measurement result of described automatic range finder the dynamic lift value of submersible pump; And the asynchronous motor frequency-changing speed-regulating system, be used for dynamic lift value according to the submersible pump that calculates, submersible motor is carried out frequency control of motor speed.
Preferably, in above-mentioned submersible pump control system, described Control System of Microcomputer also is used for calculating according to the measurement result of described automatic range finder the variable quantity of the deep degree of tank water.
Preferably, in above-mentioned submersible pump control system, described Control System of Microcomputer is used to also to calculate that current lift dynamic value deducts the variable quantity of the deep degree of tank water and the difference that obtains, as the lift dynamic value after upgrading.
Preferably, in above-mentioned submersible pump control system, described Control System of Microcomputer also is used for according to the lift dynamic value calculating after upgrading and the corresponding rotating speed of lift dynamic value after upgrading.
Preferably, in above-mentioned submersible pump control system, described asynchronous motor frequency-changing speed-regulating system comes submersible motor is carried out frequency control of motor speed according to the rotating speed that is calculated.
According to a first aspect of the invention, can utilize automatic range finder and asynchronous motor frequency-changing speed-regulating system, the submersible pump unit of permanent lift is transformed into the submersible pump that lift changes along with the variation of surface water of pools position, make submersible pump be suspended in the surface in pond, thereby save submersible pump water is all risen to the energy of pond surface portion from basin bottom, to reach purpose of energy saving.
In the process of submersible pump work, the water level on surface, pond is among the variation always, as saving the energy that water is all risen to the pond surface portion from basin bottom, the diving lift of pump should change along with the variation of surface water of pools position, that is the diving lift of pump should be dynamic change.
According to a second aspect of the invention, provide a kind of submersible pump controlling method, it comprises step: utilize the submersible pump levitation device that submersible pump unit is suspended; Utilize automatic range finder to measure the depth of water degree of depth in pond automatically; Utilize Control System of Microcomputer to calculate the dynamic lift value of submersible pump according to the measurement result of described automatic range finder; And utilize the dynamic lift value of asynchronous motor frequency-changing speed-regulating system according to the submersible pump that calculates, submersible motor is carried out frequency control of motor speed.
Preferably, described submersible pump controlling method also comprises: the variable quantity that calculates the deep degree of tank water according to the measurement result of described automatic range finder.
Preferably, described submersible pump controlling method also comprises: calculate that current lift dynamic value deducts the variable quantity of the deep degree of tank water and the difference that obtains, as the lift dynamic value after upgrading.
Preferably, described submersible pump controlling method also comprises: according to lift dynamic value calculating after upgrading and the corresponding rotating speed of lift dynamic value after the renewal.
Preferably, described submersible pump controlling method also comprises: come submersible motor is carried out frequency control of motor speed according to the rotating speed that is calculated.
Submersible pump controlling method according to a second aspect of the invention can be transformed into the permanent lift submersible pump unit of static state the submersible pump unit of dynamic change lift.And, it will be appreciated by persons skilled in the art that submersible pump controlling method according to second aspect present invention can realize technique effect and advantage that the submersible pump control system according to first aspect present invention can realize equally.
Description of drawings
In conjunction with the accompanying drawings, and, will more easily more complete understanding be arranged and more easily understand its attendant advantages and feature the present invention by with reference to following detailed, wherein:
Fig. 1 shows the system block diagram according to the submersible pump control system of the embodiment of the invention.
Fig. 2 shows the fundamental diagram according to the submersible pump control system of the embodiment of the invention.
Need to prove that accompanying drawing is used to illustrate the present invention, and unrestricted the present invention.
Embodiment
In order to make content of the present invention clear and understandable more, content of the present invention is described in detail below in conjunction with specific embodiments and the drawings.
The present invention has designed a kind of submersible pump control system of change lift of effectively using electricity wisely, by the rotating speed of control submersible motor, and then control diving lift of pump.
Fig. 1 shows the system block diagram according to the submersible pump control system of the embodiment of the invention.As shown in Figure 1, the submersible pump control system according to the embodiment of the invention comprises: submersible pump levitation device, initial lift value setting device, dynamic distance meter, asynchronous motor frequency-changing speed-regulating system and Control System of Microcomputer.
Fig. 2 shows the fundamental diagram according to the submersible pump control system of the embodiment of the invention.With reference to the fundamental diagram of submersible pump control system shown in Figure 2, the working procedure of the submersible pump control system according to the embodiment of the invention shown in Figure 1 as can be known is as follows.
At first, can be in the pond with submersible pump unit, because submersible pump unit links to each other (specifically with the submersible pump levitation device, in the present embodiment, the material (lighter material is as a concrete example of submersible pump levitation device) that the bondage of submersible pump unit is lighter), can float on liquid surface so make the submersible pump unit hang.It will be appreciated by persons skilled in the art that and obviously can adopt any suitable lightweight material, for example wooden unit material, plastic materials, foamed material etc. as the material that uses in the present embodiment.
More particularly, submersible pump unit links to each other with levitation device, thereby the water intake that guarantees submersible pump unit is in the desired location place of liquid level below all the time, for example is in 1 meter, liquid level below, perhaps be in the liquid level below and with liquid level at a distance of for example 1/10th of the mean depth in pond.
Before energising, the initial lift value of submersible pump at first is set, and dynamic distance meter is set to make it to measure automatically the blanking time of the pond depth of water.
After the energising, dynamic distance meter at first measures tank water and spends deeply, and it is sent in the Control System of Microcomputer; Control System of Microcomputer receives after dynamic distance meter measures the deep number of degrees value of tank water at every turn, at first calculate the deep variable quantity of spending of tank water (promptly, calculate: this value of measuring-last time value of measuring), calculate the dynamic value of lift then: the variable quantity that the dynamic value of lift=lift dynamic value-tank water last time is spent deeply.
Rotating speed when then, Control System of Microcomputer can be asked for corresponding lift dynamic value according to for example proportionality law; According to above-mentioned rotating speed, the asynchronous motor frequency-changing speed-regulating system carries out frequency control of motor speed to submersible motor.
Though described the present invention in detail with specific embodiment.But, it will be appreciated by persons skilled in the art that under the situation that does not break away from thought of the present invention, can also select other any suitable implementation.For example, in a preferred exemplary of the present invention, for example, initial lift value setting device can be realized that promptly initial lift value setting device can be incorporated Control System of Microcomputer into by Control System of Microcomputer.
In addition, it will be appreciated by persons skilled in the art that term " pond " comprises any type of " pond " of ocean, lake, river, wet pit etc. in a broad sense.
It will be apparent to those skilled in the art that and to carry out various changes and distortion to the present invention without departing from the scope of the invention.Described embodiment only is used to illustrate the present invention, rather than restriction the present invention; The present invention is not limited to described embodiment, but only is defined by the following claims.
Claims (10)
1. submersible pump control system is characterized in that comprising:
The submersible pump levitation device is used to make submersible pump unit to suspend;
Automatic range finder is used for measuring automatically the depth of water degree of depth in pond;
Control System of Microcomputer is used for calculating according to the measurement result of described automatic range finder the dynamic lift value of submersible pump; And
The asynchronous motor frequency-changing speed-regulating system is used for the dynamic lift value according to the submersible pump that calculates, and submersible motor is carried out frequency control of motor speed.
2. submersible pump control system according to claim 1, its feature exists, and wherein said Control System of Microcomputer also is used for calculating according to the measurement result of described automatic range finder the variable quantity of the deep degree of tank water.
3. submersible pump control system according to claim 2, its feature exists, and wherein said Control System of Microcomputer is used to also to calculate that current lift dynamic value deducts the variable quantity of the deep degree of tank water and the difference that obtains, as the lift dynamic value after upgrading.
4. submersible pump control system according to claim 3, its feature exists, and wherein said Control System of Microcomputer also is used for according to the lift dynamic value calculating after upgrading and the corresponding rotating speed of lift dynamic value after upgrading.
5. submersible pump control system according to claim 4, its feature exists, and wherein said asynchronous motor frequency-changing speed-regulating system comes submersible motor is carried out frequency control of motor speed according to the rotating speed that is calculated.
6. submersible pump controlling method is characterized in that comprising step:
Utilize the submersible pump levitation device that submersible pump unit is suspended;
Utilize automatic range finder to measure the depth of water degree of depth in pond automatically;
Utilize Control System of Microcomputer to calculate the dynamic lift value of submersible pump according to the measurement result of described automatic range finder; And
Utilize the dynamic lift value of asynchronous motor frequency-changing speed-regulating system, submersible motor is carried out frequency control of motor speed according to the submersible pump that calculates.
7. submersible pump controlling method according to claim 6, its feature exists, and described submersible pump controlling method also comprises: the variable quantity that calculates the deep degree of tank water according to the measurement result of described automatic range finder.
8. submersible pump controlling method according to claim 7, its feature exists, and described submersible pump controlling method also comprises: calculate that current lift dynamic value deducts the variable quantity of the deep degree of tank water and the difference that obtains, as the lift dynamic value after upgrading.
9. submersible pump controlling method according to claim 8, its feature exists, and described submersible pump controlling method also comprises: according to lift dynamic value calculating after upgrading and the corresponding rotating speed of lift dynamic value after the renewal.
10. submersible pump controlling method according to claim 9, its feature exists, and described submersible pump controlling method also comprises: come submersible motor is carried out frequency control of motor speed according to the rotating speed that is calculated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106005405A CN102003397A (en) | 2010-12-21 | 2010-12-21 | Submerged pump control system and submerged pump control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106005405A CN102003397A (en) | 2010-12-21 | 2010-12-21 | Submerged pump control system and submerged pump control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102003397A true CN102003397A (en) | 2011-04-06 |
Family
ID=43811023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106005405A Pending CN102003397A (en) | 2010-12-21 | 2010-12-21 | Submerged pump control system and submerged pump control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102003397A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847674A (en) * | 2015-06-16 | 2015-08-19 | 合肥工业大学 | Smart sensing type submersible electric pump |
| CN110529400A (en) * | 2019-09-25 | 2019-12-03 | 宁波巨神制泵实业有限公司 | A kind of diving pump control system and its control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2659983Y (en) * | 2003-11-19 | 2004-12-01 | 张明亮 | Water feeding and pressuring appts. for grand building |
| CN1730948A (en) * | 2005-08-26 | 2006-02-08 | 浙江科技学院 | Pressure and flow variation control method and control system for water pump |
| JP2008202456A (en) * | 2007-02-19 | 2008-09-04 | Fudo Tetra Corp | Muddy water force-feed device |
| US20100054961A1 (en) * | 2006-11-16 | 2010-03-04 | Palecek Gary M | Apparatus and method for a submersible pump system and linear electrofusion |
| CN201671138U (en) * | 2010-06-01 | 2010-12-15 | 上海在田环境科技有限公司 | Floating water intaking device |
-
2010
- 2010-12-21 CN CN2010106005405A patent/CN102003397A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2659983Y (en) * | 2003-11-19 | 2004-12-01 | 张明亮 | Water feeding and pressuring appts. for grand building |
| CN1730948A (en) * | 2005-08-26 | 2006-02-08 | 浙江科技学院 | Pressure and flow variation control method and control system for water pump |
| US20100054961A1 (en) * | 2006-11-16 | 2010-03-04 | Palecek Gary M | Apparatus and method for a submersible pump system and linear electrofusion |
| JP2008202456A (en) * | 2007-02-19 | 2008-09-04 | Fudo Tetra Corp | Muddy water force-feed device |
| CN201671138U (en) * | 2010-06-01 | 2010-12-15 | 上海在田环境科技有限公司 | Floating water intaking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847674A (en) * | 2015-06-16 | 2015-08-19 | 合肥工业大学 | Smart sensing type submersible electric pump |
| CN110529400A (en) * | 2019-09-25 | 2019-12-03 | 宁波巨神制泵实业有限公司 | A kind of diving pump control system and its control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9074587B2 (en) | Energy efficient sewage pumping system with a controller and variable frequency drive and method | |
| CN103185003B (en) | For the method and apparatus of the energy efficiency of optimization pumping system | |
| DK1721131T3 (en) | Method and arrangement for indirectly measuring the flow in a pump with power, rotational speed and pump lift height | |
| CN105369791B (en) | The control method and control device of a kind of gear rack lifting system | |
| EP2746477A1 (en) | Method for operating a wastewater pumping station | |
| CN103207265B (en) | A kind of reservoir level fluctuation method and apparatus for the logistics organizations platform that comes down | |
| CN102003397A (en) | Submerged pump control system and submerged pump control method | |
| KR101790874B1 (en) | Pump consumption power calculation method at revolution per minute in inverter controlled water supply pump | |
| CN108570961A (en) | Sea bed simulation loop sink | |
| CN111386398B (en) | Pump and method for controlling a pump | |
| US9568921B2 (en) | Method for approximating a static head of a fluid transfer system | |
| KR101870564B1 (en) | Frequency control method by to variable pressure according flow rate allowed pipe friction head loss at feed pump | |
| US20150168957A1 (en) | Control process to save electrical energy consumption of a pump equipment | |
| JP2017518462A (en) | How to stop pumps and pump station equipment | |
| JP2008101556A (en) | Pump | |
| EP2306020B1 (en) | Method and apparatus in connection with pump drive | |
| CN208416978U (en) | A kind of High-performance clean water immersible pump | |
| CN207700139U (en) | Sea bed simulation loop sink | |
| Abdurahim | Pump Units and Their Characteristics | |
| CN106840944B (en) | Electromagnetic paraffin control indoor universal dynamic test platform and method for oil well | |
| JP5030518B2 (en) | Drainage measurement method for advanced stand-by vertical pump | |
| Momin et al. | Construction of Digital Water Level Indicator and Automatic Pump Controlling System | |
| CN105651633B (en) | A kind of alluvion ageing test apparatus of simulation ship running | |
| JP5005304B2 (en) | Drainage measurement method for advanced stand-by vertical pump | |
| CN108385774A (en) | A kind of floating pumping station changed with temperature automatic sensing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110406 |