CN106150995B - A kind of pump control unit - Google Patents
A kind of pump control unit Download PDFInfo
- Publication number
- CN106150995B CN106150995B CN201610717959.6A CN201610717959A CN106150995B CN 106150995 B CN106150995 B CN 106150995B CN 201610717959 A CN201610717959 A CN 201610717959A CN 106150995 B CN106150995 B CN 106150995B
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- frequency
- drive apparatus
- power
- conversion drive
- binding post
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000006243 chemical reaction Methods 0.000 claims abstract description 58
- 238000013461 design Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 6
- 230000007958 sleep Effects 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- F04B49/10—Other safety measures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of by two frequency-conversion drive apparatus and pump control unit that at least a power frequency drive device is constituted, frequency-conversion drive apparatus includes transmitter, frequency-variable controller, breaker and the binding post become one with variable-frequency motor, power frequency drive device includes control module, contactor, breaker and the binding post become one with power frequency motor, and the control signal of each drive device is connected to transmitter by signal bus.The present invention uses modularized design, improves standardization level and eliminates conventional independent water pump control cabinet, reduces control system cost, saved installing space；Backuped each other, improved between the reliability of pump control unit, each controller using signal bus transmission control signal using two function identical frequency-conversion drive apparatus；Power supply is in parallel step by step using binding post, and connection is simple.
Description
Technical field
The present invention relates to a kind of control of the water pump used in pump control unit, particularly secondary water supply voltage stabilizing and pressure charging system
Device.
Background technology
Secondary water supply system is that one kind is directly connected with municipal network water supply connection, on the basis of city planting ductwork residual compression
Laminate and supply water and ensure secondary pressure of the municipal ductwork pressure not less than setting pressure, pressurizing feedwater system.Secondary water supply system
Ductwork pressure is made full use of, system lock prevents water pollution once again, be novel voltage stabilizing, the supercharging of high rise building water supply design
Device.Secondary water supply system is typically using the variable frequency pump system system of 2-6 platforms water pump composition.Variable frequency pump system system is widely used in
In secondary water supply system：One side variable frequency pump system is united according to demand of the water supply system to flow and lift, anti-by sensor
Feedback signal automatically controls the rotating speed of water pump start and stop quantity and regulation water pump so that water work more energy-conserving and environment-protective；The opposing party
Face variable frequency pump system system, which is provided with communication function, to be used to realize condition monitoring.At present by independence as this kind of variable frequency pump system unification
Switch board realize, be primarily present of both problem：One is that standardization level is low, to different customer demands using different
Configuration, autgmentability is poor；Two be that the configuration of switch board electrical equipment is complicated, and switch board volume is big.
In view of the above-mentioned problems, the pump group controller of the pump control unit of the present invention uses modularized design, controller and
Attached electrical equipment is directly integrated on pump motor：On the one hand, pump control unit of the invention uses modularized design, carries
High standardization level；The attached electric elements such as another aspect transmitter, controller and binding post, breaker are integrated into electricity
On machine, conventional independent water pump control cabinet is eliminated, cost is reduced, has saved installing space；Two frequency-conversion drive apparatus work(
Can be identical, backup each other, improve the reliability of pump control unit.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of pump control unit, mainly including：
Two frequency-conversion drive apparatus, and at least one power frequency drive device, the frequency-conversion drive apparatus with many described in
Power frequency drive device is as the corresponding water pump operation of prime mover driven；
Frequency-conversion drive apparatus described in First passes sequentially through frequency-variable controller, breaker and binding post and is connected to power supply electricity
Source, second frequency-conversion drive apparatus passes sequentially through frequency-variable controller, breaker and binding post and is connected to described in First
The binding post of frequency-conversion drive apparatus；
Two frequency-conversion drive apparatus function phases are same, backup each other, improve the reliability of pump control unit；
Power frequency drive device described in First passes sequentially through contactor, breaker, binding post and power line and is connected to
The binding post of two frequency-conversion drive apparatus；
The next power frequency drive device passes sequentially through contactor, breaker, binding post and power line and is connected to
The binding post of one power frequency drive device；
Two frequency-conversion drive apparatus are correspondingly arranged on transmitter respectively, and the transmitter is connected by signal wire port
Corresponding two pressure sensors into pipe network；
The transmitter is respectively connecting to described in the frequency-conversion drive apparatus and many by signal bus and bus port
The control module of power frequency drive device, transmits control signal.
Wherein, the frequency-conversion drive apparatus is variable-frequency motor and corresponding frequency-variable controller, breaker and binding post
Integration-in-one structure.
Wherein, the power frequency drive device is power frequency motor and corresponding control module, contactor, breaker and terminals
The integration-in-one structure of son.
Wherein, the transmitter and the frequency-conversion drive apparatus are integration-in-one structure.
Further, the transmitter is additionally provided with the sensor signal that reserved signal wire port is used in docking system
Or the actuator in transmission whistle control system.
Further, the control module of the frequency-variable controller of the frequency-conversion drive apparatus and power frequency drive device is provided with
Reserved signal wire port is used to dock the reserved signal wire port of the transmitter letter reserved for docking the transmitter
Number line end mouthful.
A kind of pump control unit of the present invention, using modularized design, its frequency-variable controller or control module, transmitter
And auxiliary electrical element such as binding post, breaker etc. is integrated with motor, is used between frequency-variable controller and control module
Signal bus transmits control signal；Power supply is in parallel step by step using binding post, and connection is simple；Power supply passes through disconnected
Road device is powered to frequency-variable controller, and trouble hunting water pump can be easily disconnected during trouble hunting without influenceing control system
In other water pumps power supply；The input and output of each level power supply are all configured with water joint simultaneously, it is ensured that control system of water pump energy
Adapt to different application environments；In addition, signal wire port has also been reserved on pump control unit, extension and satisfaction for system
Different application demands.
When a kind of pump control unit of the present invention is used to run parallel comprising the motor-driven water pump of 2-6 platforms in systems
System is implemented to control.It is main at present to be controlled the rotating speed for adjusting water pump to water pump system using frequency-variable controller, so that right
Water pump system flow and pressure are adjusted.
The configuration of two frequency-conversion drive apparatus and function phase in a kind of pump control unit of the present invention is same, water pump control dress
Putting middle any time only has wherein one frequency-conversion drive apparatus to be master controller, and remaining all drive device is all from controller.
Two frequency-conversion drive apparatus backup each other, if wherein one frequency-conversion drive apparatus breaks down, another will automatically take on master
The function of controller, improves the reliability of pump control unit.
When the ductwork pressure of water pump system is less than the setting pressure that user needs, frequency-variable controller raises frequency conversion water automatically
The rotating speed of pump is to meet system pressure requirements, if frequency-conversion drive apparatus rotating speed reaches maximum limit rotating speed, and ductwork pressure is still
The setting pressure needed less than user, water pump is driven through bus and signal is passed to the power frequency driving water pump in system and increased
The number of units of power frequency operation water pump, until water pump system pressure meets setting pressure.And water pump is with minimum in the pump control unit
When frequency is run, system pressure sets pressure still greater than user, and control system will allow the water pump started recently to be shut down.If detection
The other water pumps not being currently running during to hypertonia, when front pump will be directed into sleep pattern.
The present invention a kind of pump control unit operational mode be divided into automatically and manually, be easy to debugging or fault diagnosis and
Analysis.Pump control unit can easily set sensor parameters, control parameter, and system protection parameter.Other water pump control
Device processed, which is provided with, checks current control system failure or the alarm signal such as water system fault message and historical failure information
Cease function.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described.
Fig. 1 is pump control unit principle schematic of the present invention.
Numeral is represented in figure：
1. the binding post of 2. water joint of power input 3.
4. the frequency-variable controller of 5. water joint of breaker 6.
7. the transmitter of 8. signal wire port of bus port 9.
10. the power line of 11. signal bus of variable-frequency motor 12.
13. the breaker of 14. binding post of water joint 15.
16. the variable-frequency motor of 17. frequency-variable controller of bus port 18.
19. the water joint of 20. power line of water joint 21.
22. the water joint of 23. breaker of binding post 24.
25. the power frequency motor of 26. contactor of signal wire port 27.
28. the pressure sensor of 29. signal wire port of pressure sensor 30.
31. the transmitter of 32. bus port of bus port 33.
34. the signal wire port of 35. signal wire port of control module 36.
37. the signal wire port of 38. signal wire port of bus port 39.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.
By taking the pump control unit comprising three water pumps as an example, Fig. 1 is pump control unit principle schematic of the present invention, such as
Shown in figure, pump control unit includes two frequency-conversion drive apparatus I, II and a power frequency drive device III.Frequency-conversion drive apparatus
I include water joint 2, binding post 3, breaker 4, water joint 5, frequency-variable controller 6, bus port 7, signal wire port 8,
Transmitter 9, variable-frequency motor 10, signal wire port 29 and bus port 32, signal wire port 38.Frequency-conversion drive apparatus II includes anti-
Water swivel 13, binding post 14, breaker 15, bus port 16, transmitter 33, frequency-variable controller 17, variable-frequency motor 18, waterproof
Joint 19, signal wire port 35, signal wire port 36 and bus port 37, signal wire port 39.Power frequency drive device III includes
It is water joint 21, binding post 22, breaker 23, water joint 24, signal wire port 25, contactor 26, power frequency motor 27, total
Line end mouthful 31 and control module 34.
Power network is powered to frequency-conversion drive apparatus I first by power input 1, and then frequency-conversion drive apparatus I is filled to frequency conversion drive
Put II to power, frequency-conversion drive apparatus II is powered by binding post 22 to power frequency drive device III.Power input 1 passes through waterproof
Joint 2 is connected with binding post 3, is powered all the way by breaker 4 to frequency-variable controller 6, and another road is by water joint 5 by electricity
Source line 12 is powered by water joint 13 to the frequency-conversion drive apparatus II in pump group system；Power supply is connect by power line 12 by waterproof
First 13 are connected with binding post 14, are powered all the way by breaker 15 to frequency-variable controller 17, and water joint 19 is passed through on another road
Powered by power line 20 by water joint 21 to the power frequency drive device III in pump group system；Similarly, by water joint 21
Power supply be connected with binding post 22, powered all the way by contactor 26 to power frequency motor 27 by breaker 23, another road electricity
Source powers by water joint 24 to next power frequency drive device in device.Pump control unit is general by 2-6 platform water pumps
Controller is constituted.Power supply is in parallel step by step using binding post, and connection is simple；Power supply is by breaker to frequency conversion
Controller is powered, and trouble hunting water pump can be easily disconnected during trouble hunting without influenceing other water pumps in control system
Power supply.The effect of water joint 2,5,13,19,21 and 24 is the classification of waterproof for improving pump control unit, and degree of protection is full
Sufficient IP55 requirements.
Signal bus 11 passes through bus port 7,37 and 31 and frequency-conversion drive apparatus I, frequency-conversion drive apparatus II and work respectively
Frequency drive device III connection communications.Frequency-conversion drive apparatus I and frequency-conversion drive apparatus II configuration and function phase are same, water pump control
Any time only has wherein one frequency-conversion drive apparatus to be master controller in device, and remaining all drive device is all from control
Device.Two frequency-conversion drive apparatus backup each other, if wherein one frequency-conversion drive apparatus breaks down, another frequency conversion drive dress
The function by master controller is automatically taken on is put, the reliability of pump control unit is improved.
Pressure sensor 28 and 30 is arranged on the outlet of water pump system, and pressure sensor 28 and 30 is respectively through signal line end
Pressure signal is transmitted to transmitter 9 and 33 by mouth 8 and 35.When frequency-conversion drive apparatus I is as master controller, pressure signal is by becoming
Device 9 is sent to pass to frequency-variable controller 6 via bus port 32 respectively after analyzing and processing, synchronous signal is distinguished via signal bus 11
By the bus port 37 on transmitter 33 by bus port 16 and frequency-conversion drive apparatus II frequency-variable controller 17 and by total
Line end mouthful 31 communicates with power frequency drive device III control module 34.According to the feedback of pressure sensor in water system 28 not
Frequency-variable controller 6 and the driving variable-frequency motor 10 of frequency-variable controller 17 are delivered a signal to after being analyzed and processed with pressure signal transmitter 9
Started, stop, accelerating or run slowly by instruction with variable-frequency motor 18, bus port 31 receives the control from signal bus 11
Signal processed sends start stop signal to control module 34, and contactor 26 drives power frequency motor 27 according to signal adhesive or deenergization
By instruction start, it is out of service.When frequency-conversion drive apparatus II is as master controller, its control principle and frequency-conversion drive apparatus I
It is identical.In view of different applications and the scalability of system, signal wire port 25,29,36,38 and 39 is reserved, these are pre-
The signal wire port stayed can connect sensor input signal (such as flow meter signal, temperature signal, vacuum meter signal etc.) and defeated
Go out control signal (such as valve control signal).
The signal that pump control unit feeds back according to pressure sensor 28 or 30 automatically adjusts the rotating speed of variable frequency pump
Or start and stop main frequency water pump.When frequency-conversion drive apparatus I is as master controller, when the ductwork pressure p1 of water system needs less than user
Setting pressure p when, frequency-variable controller 6 automatically adjusts the rotating speed of variable-frequency motor 10 to meet system pressure requirements, if motor
When rotating speed reaches maximum limit rotating speed, ductwork pressure p1 is still below the setting pressure p of user's needs, and transmitter 9 passes through its bus
Signal is passed to bus port 16 by port 7 by bus 11, and bus port 16 delivers a signal to the driving frequency conversion of frequency-variable controller 17
Motor 18 is run, if p1 is still below the setting pressure p of user's needs, signal is passed to control by transmitter 9 by bus 11
Module 34, contactor 26 drives power frequency motor 27 to start by instruction according to signal adhesive or deenergization, out of service, until
Water supply system output pressure p2=p；As p2 ＞ p, frequency-variable controller 6 and frequency-variable controller 17 adjust the He of variable-frequency motor 10 respectively
Variable-frequency motor 18 runs slowly；As p2 ＜ p, water pump Accelerating running；As p2=p, water supply system carries out automatically anhydrous inspection
Survey, then autostop；As p2 ＜ p, water pump resumes operation automatically；When the setting pressure p of needs is less than inlet pressure p1,
System does not start, by municipal water supply pipe network directly to user's pipe network water supply.
Can the easily maximum range of sensor, setting pressure, sensor in setting system by pump control unit
Feedback kind, motor drive direction, PID parameters, sampling period, sleep function, dormancy relevant parameter equal proportion integration are micro-
Divide parameter, water shortage protective switch, excessive low water level protection restart the functional parameters such as delay, water detection alarm for high voltage setting value, and mistake
Carry the Protection parameters such as protective current, over-pressed stall protection, current limliting, input phase failure protection, output open-phase protection.Pump control unit
Systematic parameter can also be set, and such as motor mode setting, electricity, working time, state function, system start Auto Power On work(
The function setting such as energy, motor numbering, motor-locking and display etc..
The pump control unit is provided with the system failure or the report such as water system fault message and historical failure information
Cut off the water defencive function, low discharge sleep mode and having a power failure of query function, the city planting ductwork of alert information is not cut off the water, when cell has a power failure
When, from city planting ductwork continue to low area user supply water, after equipment restores electricity, automatic start, recover normal water supply power failure after
It is continuous to supply water.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (1)
1. a kind of pump control unit, it is characterised in that including：Two frequency-conversion drive apparatus, and at least one power frequency driving
Device, the frequency-conversion drive apparatus and the power frequency drive device are as the corresponding water pump operation of prime mover driven；
The frequency-conversion drive apparatus passes sequentially through frequency-variable controller, breaker and binding post and is connected to power supply；The work
Frequency drive device passes sequentially through the wiring that contactor, breaker, binding post and power line are connected to the frequency-conversion drive apparatus
Terminal；
Two frequency-conversion drive apparatus are correspondingly arranged on transmitter respectively, and the transmitter is connected by signal wire port respectively
Corresponding two pressure sensors into pipe network；
The transmitter by signal bus and bus port be respectively connecting to the frequency-conversion drive apparatus frequency-variable controller and
The control module of the power frequency drive device；
The frequency-conversion drive apparatus is the integration-in-one of variable-frequency motor and corresponding frequency-variable controller, breaker and binding post
Structure；
The power frequency drive device is the integrated of power frequency motor and corresponding control module, contactor, breaker and binding post
Integral structure；
The transmitter is integration-in-one structure with the corresponding frequency-conversion drive apparatus；
Two transmitters are provided with reserved signal wire port；
The control module of the frequency-variable controller of the frequency-conversion drive apparatus and the power frequency drive device is provided with reserved letter
Number line end mouthful is used to dock the reserved signal wire port of the transmitter；
Frequency-conversion drive apparatus described in First is connected to the power supply by water joint and power input, described in second
Frequency-conversion drive apparatus is connected to the binding post of frequency-conversion drive apparatus described in First, First by water joint and power line
The power frequency drive device is connected to the terminals of second frequency-conversion drive apparatus by water joint and the power line
Son, remaining each power frequency drive device passes sequentially through water joint and the power line is connected to a power frequency and driven
The binding post of dynamic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610717959.6A CN106150995B (en) | 2016-08-24 | 2016-08-24 | A kind of pump control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610717959.6A CN106150995B (en) | 2016-08-24 | 2016-08-24 | A kind of pump control unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106150995A CN106150995A (en) | 2016-11-23 |
| CN106150995B true CN106150995B (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610717959.6A Active CN106150995B (en) | 2016-08-24 | 2016-08-24 | A kind of pump control unit |
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| CN (1) | CN106150995B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894977B (en) * | 2016-12-31 | 2020-02-21 | 卧龙电气驱动集团股份有限公司 | Multi-frequency conversion control system and control method |
| CN112855512A (en) * | 2021-01-06 | 2021-05-28 | 湖北扬子江泵业（武汉）有限责任公司 | Emergency starting method for water pump control system fault |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19513136A1 (en) * | 1995-04-07 | 1996-10-10 | Becker Kg Gebr | Control for multi-pump pressure network |
| JP5147748B2 (en) * | 2009-01-30 | 2013-02-20 | 株式会社日立産機システム | Booster water supply system |
| CN202300962U (en) * | 2011-09-27 | 2012-07-04 | 温州安信科技有限公司 | Linkage control system of air compressor |
| CN202694092U (en) * | 2012-04-16 | 2013-01-23 | 杭州锐方科技有限公司 | Constant-pressure water supply group control system based on CAN bus |
| CN203770108U (en) * | 2013-12-31 | 2014-08-13 | 上海众辰电子科技有限公司 | Water pump control device for constant pressure water supply |
| CN105099117A (en) * | 2015-08-24 | 2015-11-25 | 深圳乘方电机有限公司 | Micro brushless direct-current motor with built-in controller |
| CN105490462B (en) * | 2015-12-23 | 2018-06-05 | 卧龙电气集团股份有限公司 | A kind of integral type variable-frequency motor system with intelligent control |
| CN206054267U (en) * | 2016-08-24 | 2017-03-29 | 池泉 | A kind of pump control unit |
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2016
- 2016-08-24 CN CN201610717959.6A patent/CN106150995B/en active Active
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Effective date of registration: 20171012 Address after: 201706 Shanghai, Qingpu District, Hong Kong Road, No. 6355 Patentee after: Shanghai Han Automation Technology Co., Ltd. Address before: 201706 Shanghai, Qingpu, Hong Kong East Road, Shanghai Panda Machinery (Group) Co., Ltd. Patentee before: Chi Quan |