WO2014012195A1 - Intelligent and high-efficiency deep-well pump - Google Patents

Intelligent and high-efficiency deep-well pump Download PDF

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Publication number
WO2014012195A1
WO2014012195A1 PCT/CN2012/001383 CN2012001383W WO2014012195A1 WO 2014012195 A1 WO2014012195 A1 WO 2014012195A1 CN 2012001383 W CN2012001383 W CN 2012001383W WO 2014012195 A1 WO2014012195 A1 WO 2014012195A1
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WO
WIPO (PCT)
Prior art keywords
well pump
controller
motor
pressure
flow
Prior art date
Application number
PCT/CN2012/001383
Other languages
French (fr)
Chinese (zh)
Inventor
金可友
Original Assignee
Jin Keyou
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jin Keyou filed Critical Jin Keyou
Priority to DE212012000152.2U priority Critical patent/DE212012000152U1/en
Priority to AU2012385895A priority patent/AU2012385895A1/en
Publication of WO2014012195A1 publication Critical patent/WO2014012195A1/en

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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
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/06—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth
    • 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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine

Definitions

  • the invention relates to a deep well pump, in particular to an intelligent high efficiency deep well pump. Background technique
  • Ordinary deep well pumps generally use single-phase AC asynchronous motors.
  • the speed of asynchronous motors is limited by the frequency of alternating current. When the AC frequency is 50HZ, the speed of the asynchronous motor is 2800 rpm, and the speed at 60 Hz is 3420 rpm.
  • multistage impellers must be used, and some deep well pumps have as many as 35 impellers.
  • Increasing the speed of the asynchronous motor can greatly increase the lift and flow of the deep well pump, reduce the number of impeller sections of the deep well pump, and reduce the volume of the deep well pump.
  • the speed of the asynchronous motor is generally increased by the AC frequency converter, and the frequency converter is controlled by the AC asynchronous motor. The efficiency and control precision are not high, and the cost is greatly increased, so it is difficult to promote.
  • a deep well pump (application number 2011205470363) proposed by the applicant uses a DC brushless motor structure, which greatly increases the lift and flow of the deep well pump, reduces the height and weight of the deep well pump, and enables the deep well pump.
  • the function is optimized; and the DC brushless motor can also be programmed and run by the motor controller to intelligently operate the deep well pump to realize automatic semi-automatic operation.
  • the technical problem to be solved by the invention is to further improve the deep well pump on the basis of the prior art, and provide an intelligent effective deep well pump, so that the deep well pump can be further improved and optimized in terms of volume, weight, efficiency and intelligent control. .
  • the technical solution adopted by the invention is: providing an intelligent high-efficiency deep well pump, wherein the motor of the deep well pump adopts a DC brushless motor controlled by a square wave signal or an AC permanent magnet synchronous servo motor controlled by a sine wave signal, and is characterized in that
  • the controller is a motor controller having a contrast control signal for a pressure sensor, a flow sensor, etc., and the DC brushless motor or the AC permanent magnet synchronous servo motor is controlled by the controller, so that the deep well pump passes the
  • the controller works according to the set program, and can supply water in constant pressure or constant current.
  • the panel of the controller is provided with function buttons for setting pressure, flow and speed, and for displaying pressure, flow, speed and current. Multiple sets of display windows for power supply voltage and operating current in the operating state, showing operating status and fault code indication. Therefore, the well pump has the function of constant pressure and constant current water supply, and is an efficient and intelligent deep well pump.
  • the magnetic brush for the DC brushless motor and the AC permanent magnet synchronous servo motor uses NdFeB magnet or permanent magnet oxygen
  • the deep well pump provided by the invention adopts a DC brushless motor or an AC permanent magnet synchronous servo motor as a deep well pump motor, so that the volume is small and the weight is light, and the brushless motor is operated at 6000-8000 rpm.
  • the speed range of the motor fully utilizes the high efficiency of the motor.
  • the efficiency is increased by more than 15%, the weight is reduced by 1/2 to 1/3, and the volume is reduced by 1/2 or more.
  • the controller circuit board there are multiple sets of digital tube digital display voltage, ammeter, motor speed (frequency) table, water pressure gauge, flow meter, indicating the working state at the same time; at the same time, the well pump main unit has over-voltage and over-current overheating, underground Various protection functions such as waterless protection, on the panel, frequency (speed) setting, working water pressure setting, flow setting, etc., so that the well pump can be programmed according to the set state, and can also be programmed according to the The program performs automatic power-on and shutdown operations, so the existing DC brushless motor or AC permanent magnet synchronous servo motor well pump is in volume, weight, efficiency and intelligent control. And other aspects of further optimization, to achieve a more efficient and intelligent, is a new generation of mechatronic well pumps.
  • FIG. 1 is a block diagram of the system of the intelligent high efficiency deep well pump of the present invention.
  • FIG. 2 is a schematic structural view of an embodiment of the present invention. detailed description
  • the controller of the deep well pump includes a power rectification 4, a microprocessor 1 and a power driving module 2, wherein the power rectification 4 is to rectify and filter the commercial power into a direct current to supply power to the controller.
  • the microprocessor 1 is used to receive external input signals (such as panel button input signals, flow signals, pressure signals, etc.), and analyze, compare, and process the input signals to output various control signals.
  • the power drive module 2 is controlled by a microprocessor for driving the motor 3 to operate.
  • the above controller is installed indoors, and is connected to the well pump through the output cable 5, and the pressure sensor is installed in the water tank water tank 9 (using the negative pressure sensor 8) or the pipeline 10 (using the positive pressure sensor 7), the flow sensor 6 Installed in the water outlet of the pump or other position in the water pipeline, the detected pressure, flow and other signals are transmitted to the corresponding signal input terminal by RS485 digital protocol, and processed by the microprocessor;
  • the function button can set parameters such as pressure, flow rate and speed to make the microprocessor work according to the setting program.
  • the DC brushless motor is controlled by vector control or direct torque control, and the AC permanent magnet synchronous servo motor stator three-phase distributed winding is controlled by sine wave. Both use no Hall.
  • the magnetic steel is made of neodymium iron boron magnet or permanent magnet.
  • the working state of the motor, etc. is controlled by the microprocessor 1 to drive the power module 2, and the driving module pushes the motor 3, At the same time, the phase, voltage, current, temperature and other signals of the motor are fed back to the microprocessor for processing, and then the power module is controlled.
  • There are multiple sets of display windows on the controller panel to display the pressure, flow, speed and power supply voltage and operating current at the time of operation. In addition, there are work indicators and fault codes on the panel for easy maintenance.
  • the controller also has power factor correction and other functions to ensure electromagnetic compatibility and good power factor.

Abstract

A deep-well pump. A direct-current brushless motor controlled by a square wave signal or an alternating-current permanent-magnet synchronous servo motor controlled by a sine wave signal is used as a motor (3) of the deep-well pump. A controller is used to compare and control signals of a pressure sensor and of a flow sensor (6) and thus change the rotating speed of the motor, so that the deep-well pump can operate according to a preset program by the controller to supply water in a way of constant pressure or constant flow. A panel of the controller is provided with function keys for setting the pressure, the flow, and the rotating speed and a display window for displaying the pressure, the flow, the rotating speed, and the supply voltage and the working current under a present operation state. The deep-well pump may be further optimized in the aspects of volume, weight, efficiency, intelligent control and the like, and be made to be more intelligent and efficient.

Description

一种智能高效深井泵  Intelligent and efficient deep well pump
技术领域 Technical field
本发明涉及到一种深井泵， 特别是涉及一种智能高效深井泵。 背景技术  The invention relates to a deep well pump, in particular to an intelligent high efficiency deep well pump. Background technique
普通深井泵一般采用单相交流异步电机， 异步电机的转速受交流电频率的限制， 交 流电频率为 50HZ时异步电机的转速 2800转 /分， 60HZ时的转速 3420转 /分。 要使水泵 扬程高必须使用多级叶轮， 有的深井泵的叶轮数量达 35级之多。 提高异步电机的转速， 能大幅提高深井泵的扬程、 流量， 减少深井泵的叶轮节数， 缩小深井泵的体积。 但是提 高异步电机的转速一般是用交流变频器， 变频器再控制交流异步电机， 这样效率、 控制 精度不高、 成本会大幅提高， 因此难以推广。  Ordinary deep well pumps generally use single-phase AC asynchronous motors. The speed of asynchronous motors is limited by the frequency of alternating current. When the AC frequency is 50HZ, the speed of the asynchronous motor is 2800 rpm, and the speed at 60 Hz is 3420 rpm. To make the pump lift high, multistage impellers must be used, and some deep well pumps have as many as 35 impellers. Increasing the speed of the asynchronous motor can greatly increase the lift and flow of the deep well pump, reduce the number of impeller sections of the deep well pump, and reduce the volume of the deep well pump. However, the speed of the asynchronous motor is generally increased by the AC frequency converter, and the frequency converter is controlled by the AC asynchronous motor. The efficiency and control precision are not high, and the cost is greatly increased, so it is difficult to promote.
而采用高速的直流无刷电机及作深井泵电机不仅可縮小深井泵体积，减轻重量，且 可提高效率。如曾由本申请人提出的一种深井泵（申请号 2011205470363 )， 就是采用了 直流无刷电机的结构， 从而大幅提高了深井泵的扬程及流量， 缩小了深井泵的高度和重 量，使深井泵的功能得到优化；而且采用直流无刷电机还可以通过电机控制器编程运行， 对深井泵工作进行智能化操作， 实现自动半自动化运行。 发明内容  The use of high-speed DC brushless motors and deep-well pump motors not only reduces the size of deep well pumps, reduces weight, but also increases efficiency. For example, a deep well pump (application number 2011205470363) proposed by the applicant uses a DC brushless motor structure, which greatly increases the lift and flow of the deep well pump, reduces the height and weight of the deep well pump, and enables the deep well pump. The function is optimized; and the DC brushless motor can also be programmed and run by the motor controller to intelligently operate the deep well pump to realize automatic semi-automatic operation. Summary of the invention
本发明所要解决的技术问题是在现有技术的基础上对深井泵进一步改良， 而提供一 种智能髙效深井泵， 使深井泵在体积、 重量、 效率、 智能控制等方面得到进一步提升和 优化。  The technical problem to be solved by the invention is to further improve the deep well pump on the basis of the prior art, and provide an intelligent effective deep well pump, so that the deep well pump can be further improved and optimized in terms of volume, weight, efficiency and intelligent control. .
本发明所采用的技术方案是： 提供一种智能高效深井泵， 深井泵的电机采用由方波 信号控制的直流无刷电机、 或用正弦波信号控制的交流永磁同步伺服电机， 其特征是所 述的控制器为一具有对压力传感器、 流量传感器等信号进行对比控制的电机控制器， 所 述的直流无刷电机或交流永磁同步伺服电机受控于该控制器，使深井泵通过该控制器而 按设定的程序工作， 可以恒压或恒流方式供水； 而控制器的面板上设有用来设定压力、 流量以及转速的功能按键 ， 以及用来显示压力、 流量、 转速以及当前工作状态下的电 源电压和工作电流的多组显示窗， 显示运行状态及故障代码指示。 因此， 本井泵具有恒 压和恒流供水的功能， 是一种高效智能的深井泵。  The technical solution adopted by the invention is: providing an intelligent high-efficiency deep well pump, wherein the motor of the deep well pump adopts a DC brushless motor controlled by a square wave signal or an AC permanent magnet synchronous servo motor controlled by a sine wave signal, and is characterized in that The controller is a motor controller having a contrast control signal for a pressure sensor, a flow sensor, etc., and the DC brushless motor or the AC permanent magnet synchronous servo motor is controlled by the controller, so that the deep well pump passes the The controller works according to the set program, and can supply water in constant pressure or constant current. The panel of the controller is provided with function buttons for setting pressure, flow and speed, and for displaying pressure, flow, speed and current. Multiple sets of display windows for power supply voltage and operating current in the operating state, showing operating status and fault code indication. Therefore, the well pump has the function of constant pressure and constant current water supply, and is an efficient and intelligent deep well pump.
所述的直流无刷电机和交流永磁同步伺服电机的磁钢釆用钕铁硼磁钢或永磁铁氧  The magnetic brush for the DC brushless motor and the AC permanent magnet synchronous servo motor uses NdFeB magnet or permanent magnet oxygen
1 1
确认本 体。 Confirmation Body.
与现有技术相比，本发明提供的深井泵采用直流无刷电机或交流永磁同步伺服电机 作深井泵电机， 因而体积小， 重量轻， 又将无刷电机工作在 6000— 8000转 /分的转速范 围， 充分发挥了这种电机的高效率特点， 和普通单相电机的井泵相比， 效率提高 15%以 上， 重量减少 1/2到 1/3， 体积减少 1/2以上； 在控制器线路板上， 有多组数码管数码显 示的电压、 电流表， 电机转速 （频率） 表， 水压力表， 流量表， 表示当时的工作状态； 同时井泵主机具备过压过流过热、 井下无水保护等各种保护功能， 在面板上， 还具备频 率 （转速） 设定， 工作水压设定， 流量设定等， 使井泵按照设定的状态进行编程工作， 还能按照编制的程序进行自动开机关机等操作， 因而现有的直流无刷电机或交流永磁同 步伺服电机的井泵在体积、 重量、 效率、 智能控制等方面得到更进一步优化， 做到更智 能高效， 是新一代的机电一体化井泵。 附图说明  Compared with the prior art, the deep well pump provided by the invention adopts a DC brushless motor or an AC permanent magnet synchronous servo motor as a deep well pump motor, so that the volume is small and the weight is light, and the brushless motor is operated at 6000-8000 rpm. The speed range of the motor fully utilizes the high efficiency of the motor. Compared with the well pump of the ordinary single-phase motor, the efficiency is increased by more than 15%, the weight is reduced by 1/2 to 1/3, and the volume is reduced by 1/2 or more. On the controller circuit board, there are multiple sets of digital tube digital display voltage, ammeter, motor speed (frequency) table, water pressure gauge, flow meter, indicating the working state at the same time; at the same time, the well pump main unit has over-voltage and over-current overheating, underground Various protection functions such as waterless protection, on the panel, frequency (speed) setting, working water pressure setting, flow setting, etc., so that the well pump can be programmed according to the set state, and can also be programmed according to the The program performs automatic power-on and shutdown operations, so the existing DC brushless motor or AC permanent magnet synchronous servo motor well pump is in volume, weight, efficiency and intelligent control. And other aspects of further optimization, to achieve a more efficient and intelligent, is a new generation of mechatronic well pumps. DRAWINGS
图 1是本发明智能高效深井泵的系统原理框图。  1 is a block diagram of the system of the intelligent high efficiency deep well pump of the present invention.
图 2是本发明实施例的结构示意图。 具体实施方式  2 is a schematic structural view of an embodiment of the present invention. detailed description
以下结合附图实施例对本发明作进一步详细描述。  The invention will be further described in detail below with reference to the embodiments of the drawings.
由于本发明是在原来直流无刷电机的井泵基础上的进一步改进， 因此有关深井泵的 构造部分在此不再赘述。  Since the present invention is a further improvement based on the well pump of the original brushless DC motor, the construction of the deep well pump will not be described herein.
如图 1所示， 本深井泵的控制器包括有电源整流 4、 微处理器 1以及功率驱动模块 2等， 其中电源整流 4是将市电经整流滤波成直流， 为控制器提供电源。 微处理器 1用 于接收外界的输入信号 （如面板按钮输入信号、 流量信号、 压力信号等）， 并对各输入 信号进行分析、 比较和处理， 以输出各种控制信号。 功率驱动模块 2受控于微处理器， 用于驱动电机 3工作。  As shown in Fig. 1, the controller of the deep well pump includes a power rectification 4, a microprocessor 1 and a power driving module 2, wherein the power rectification 4 is to rectify and filter the commercial power into a direct current to supply power to the controller. The microprocessor 1 is used to receive external input signals (such as panel button input signals, flow signals, pressure signals, etc.), and analyze, compare, and process the input signals to output various control signals. The power drive module 2 is controlled by a microprocessor for driving the motor 3 to operate.
如图 2所示， 上述控制器装在室内， 通过输出电缆线 5连接井泵， 压力传感器装在 水塔水箱 9 (采用负压传感器 8 ) 或管道 10 (采用正压传感器 7) 中， 流量传感器 6装 在水泵出水口或水管道中其他位置，把检测到的压力、流量等信号用 RS485数字协议传 输至相应的信号输入端中， 由微处理器进行处理； 在操作面板上设有多个功能按键， 可 以对压力、 流量、 转速等参数进行设定， 使微处理器按设定程序工作。  As shown in Fig. 2, the above controller is installed indoors, and is connected to the well pump through the output cable 5, and the pressure sensor is installed in the water tank water tank 9 (using the negative pressure sensor 8) or the pipeline 10 (using the positive pressure sensor 7), the flow sensor 6 Installed in the water outlet of the pump or other position in the water pipeline, the detected pressure, flow and other signals are transmitted to the corresponding signal input terminal by RS485 digital protocol, and processed by the microprocessor; The function button can set parameters such as pressure, flow rate and speed to make the microprocessor work according to the setting program.
直流无刷电机用矢量控制或直接转矩控制的控制方式，而交流永磁同步伺服电机定 子三相分布绕组， 用正弦波控制方式。 两者都采用无霍尔。 其磁钢采用钕铁硼磁钢或永 磁铁氧体。 电机的工作状态等由微处理器 1控制功率驱动模块 2， 驱动模块推动电机 3， 同时将电机的相位、 电压、 电流、 温度等信号反馈至微处理器进行处理， 再控制功率模 块工作。 在控制器面板上有多组显示窗， 用来显示压力、 流量、 转速以及当时工作状态 下的电源电压和工作电流等。 另外面板上还有工作指示灯和故障代码， 方便维修。 本控 制器还有功率因数校正等功能， 保证本产品具备电磁兼容及良好的功率因数。 The DC brushless motor is controlled by vector control or direct torque control, and the AC permanent magnet synchronous servo motor stator three-phase distributed winding is controlled by sine wave. Both use no Hall. The magnetic steel is made of neodymium iron boron magnet or permanent magnet. The working state of the motor, etc. is controlled by the microprocessor 1 to drive the power module 2, and the driving module pushes the motor 3, At the same time, the phase, voltage, current, temperature and other signals of the motor are fed back to the microprocessor for processing, and then the power module is controlled. There are multiple sets of display windows on the controller panel to display the pressure, flow, speed and power supply voltage and operating current at the time of operation. In addition, there are work indicators and fault codes on the panel for easy maintenance. The controller also has power factor correction and other functions to ensure electromagnetic compatibility and good power factor.

Claims

权 利 要 求 Rights request
1、 一种智能高效深井泵， 深井泵的电机采用由控制器编程控制的方波信号控制的 直流无刷电机或用正弦波控制的交流永磁同步伺服电机， 其特征在于： 所述的控制器为 一具有对压力传感器、 流量传感器信号进行对比控制的控制器， 所述的直流无刷电机或 交流永磁同步伺服电机受控于控制器， 使深井泵通过该控制器而按设定的程序工作， 可 以恒压或恒流方式供水； 而控制器的面板上设有用来设定压力、 流量以及转速的功能按 键， 以及用来显示压力、 流量、 转速以及当前工作状态下的电源电压和工作电流的多组 显示窗， 显示运行状态及故障代码指示。  1. An intelligent high-efficiency deep well pump, the motor of the deep well pump adopts a DC brushless motor controlled by a square wave signal programmed by a controller or an AC permanent magnet synchronous servo motor controlled by a sine wave, characterized in that: the control The controller is a controller having contrast control of the pressure sensor and the flow sensor signal, and the DC brushless motor or the AC permanent magnet synchronous servo motor is controlled by the controller, so that the deep well pump is set according to the controller. The program works, can supply water in constant pressure or constant current; the panel of the controller is provided with function buttons for setting pressure, flow and speed, and for displaying the pressure, flow, speed and power supply voltage under current working conditions. Multiple sets of display windows for operating current, showing operating status and fault code indication.
2、 根据权利要求 1所述的深井泵， 其特征在于： 所述的直流无刷电机或交流永磁 同步伺服电机的磁钢采用钕铁硼磁钢或永磁铁氧体。  2. The deep well pump according to claim 1, wherein: the magnetic steel of the DC brushless motor or the AC permanent magnet synchronous servo motor is a neodymium iron boron magnet or a permanent magnet.
PCT/CN2012/001383 2012-07-19 2012-10-15 Intelligent and high-efficiency deep-well pump WO2014012195A1 (en)

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DE212012000152.2U DE212012000152U1 (en) 2012-07-19 2012-10-15 An intelligent and efficient deep well pump
AU2012385895A AU2012385895A1 (en) 2012-07-19 2012-10-15 Intelligent and high-efficiency deep-well pump

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CN201220351126 2012-07-19
CN201220351126.X 2012-07-19

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WO (1) WO2014012195A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
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