CN202417905U

CN202417905U - Control system of direct drive screw pump

Info

Publication number: CN202417905U
Application number: CN2012200135698U
Authority: CN
Inventors: 赵凯杰
Original assignee: DAQING FULONGDA PETROLEUM ENGINEERING MECHANICAL EQUIPMENT Co Ltd
Current assignee: DAQING FULONGDA PETROLEUM ENGINEERING MECHANICAL EQUIPMENT Co Ltd
Priority date: 2012-01-13
Filing date: 2012-01-13
Publication date: 2012-09-05
Anticipated expiration: 2022-01-13

Abstract

The utility model provides a control system of a direct drive screw pump. The control system comprises a motor, a motor controller, a GPRS (General Packet Radio Service) data transmission module, a human-machine interface text display, a U disc memory unit, a temperature controller and a central controller, wherein the motor is connected with the screw pump through a polished rod; the motor controller is used for controlling starting, stopping and operation of the motor; the GPRS data transmission module is used for transmitting data to a data control center through a mobile network; the human-machine interface text display has a data storage function and a historical data erasing function; the U disc memory unit is used for converting the data into a data format capable of being stored; the temperature controller is used for performing temperature control over the control system in real time; and the central controller is used for controlling data transmission, data storage and human-machine interactive answering of the entire system and finishing starting of the motor through communication. According to the control system, since the conventional driving mode is changed, an instruction is input wirelessly through communication, the motor is controlled to drive the screw pump through the polished rod, parameter adjustment is simple and convenient, the energy consumption is reduced, the occurrence of mechanical accidents is avoided, and the working efficiency is increased.

Description

The directly-driven screw pump control system

Technical field

The utility model relates in the oil recovery field, oil field, to the control system of down-hole oil production equipment, and a kind of specifically directly-driven screw pump control system.

Background technique

Screw pump is the important lifting equipment of oil field down-hole oil production, generally by the direct drive screw pump of screw pump ground machine drive unit polished rod, realizes the lifting process of down-hole crude oil, in oil field development, obtains wide model and uses.Yet owing to adopt the kind of drive of retarder and belt, in the running of producing that recovers the oil, the time regular meeting occur transferring that the ginseng difficulty is big, generation noise during operation, mechanical accidents such as pump rod fracture appear sometimes, not only highly energy-consuming, and maintenance is big, manufacturing efficiency is low.

The model utility content

In order to solve the generation owing to the mechanical accidents such as highly energy-consuming, accent ginseng difficulty and pump rod fracture that the screw pump driving mode causes, the utility model provides a kind of directly-driven screw pump control system.This control system adopts vertical hollow motor direct-drive screw pump polished rod owing to the change current driving mode is, leans on the communication instruction input, and the smooth running of controlling and driving motor cuts down the consumption of energy, and avoids the generation of mechanical accident, increases work efficiency.

The technological scheme of the utility model is: a kind of directly-driven screw pump control system, comprise the motor that is connected with screw pump through polished rod, and it is characterized in that: this control system also comprises the electric machine controller that is used to control motor start-stop operation; Arrive data transmission through the mobile network GPRS data transmission module of Data Control Center; Accomplish storage and the man-machine interface text display of removing the historical data function; Change into the USB flash disk memory cell that USB flash disk can be stored data format to data; Control system is carried out temperature controlled temperature controller in real time and is responsible for the master controller of replying and stopping/opening through communication information control motor of data transmission, storage, the human-computer interaction of control whole system.

In addition ,This system also is provided with the anti-reverse controller that the control motor normally stops.

The beneficial effect of the utility model is: owing to adopt above-mentioned directly-driven screw pump control system, on the basis that traditional mechanical drives, removed the bel-drivenn mechanical part; Adopt vertical hollow motor direct-drive screw pump polished rod, lean on the communication instruction input, the adjustment of the controlling and driving parameter of electric machine and operation; Interaction through the between humans and machines communication instruction; Realize accurate control by master controller, avoid resolving problems such as bar, counter-rotating dropout, overcome shortcomings such as traditional screw pump amount of maintenance is big, accent ginseng difficulty, easily broken pump rod motor torque and speed; Cut down the consumption of energy, increase work efficiency.

Description of drawings

Fig. 1 is each module connection configuration schematic representation in the utility model;

Fig. 2 is the circuit arrangement map of Fig. 1.

Embodiment

Be described further this use is novel below in conjunction with accompanying drawing:

By Fig. 1 and shown in Figure 2; This directly-driven screw pump control system comprises that motor, electric machine controller, GPRS data transmission module, man-machine interface text display, USB flash disk memory cell, temperature controller reach, master controller, and as shown in Figure 1, wherein electric machine controller is to be used for controlling motor; Motor is connected with screw pump through polished rod; Electric machine controller also is the core executive component of native system, and the start-stop operation of motor all is to lean on this controller to accomplish, and makes system layout simpler; Reduce the fault point, operation more steadily, reliably; The GPRS data transmission module arrives Data Control Center to data transmission through the mobile network, realizes execute-in-place or carries out teletransmission in real time, and the teletransmission data can be analyzed and add up in records center; The man-machine interface text display can directly monitor the real-time working state of motors such as frequency instruction, output frequency, output current, motor speed, output voltage, major loop VDC, output power, torque command, input terminal state, running state, speed variation, PID feedback quantity, PID output quantity, fault recording, motor excitation electric current, motor 2 primary currents; Be very easy to debug process, and accomplish storage and the function of removing historical data through man-machine interface; The USB flash disk storage unit is to be used for changing into the data format that USB flash disk can be stored to data, and then deposits data on the USB flash disk; This directly-driven screw pump control system is installed in the control box usually, and the temperature control in the control box is to lean on temperature controller to accomplish, if the too high fan that leans on of temperature is natural air cooled, promotes temperature if temperature is crossed the low outer temperature increase device that connects; Master controller makes the core parts of native system; This control system is to realize that by the function that master controller goes to accomplish whole system the execution function of each module is responsible for by central control unit in the whole system, through wireless network communication; The instructions of input is replied in execution; The operating ambient temperature of the memory time of the wireless transmission of data, data and memory location, control system in control and the completion system, drive motor controller, control motor each item is carried out function.

In addition, this system also is provided with the anti-reverse controller that the control motor normally stops, when screw pump quits work with power failure suddenly; The drive link distortion produces torque reaction and drives the screw pump counter-rotating; Thereby possibly make it to damage, anti-reverse controller can pass through. the electromagnetic torque braking, anti-reverse. dynamic braking finally makes motor stop safely; Thereby the protection motor, the working life of prolongation motor.

This system is the complex control system of screw pump driving and storage, and the whole system wiring is few, and the circuit simple functions is perfect, and the circuit layout of each intermodule is shown in Fig. 2.The function of system leans on network service to accomplish the input of information command, by the accent ginseng and the operation of master controller controlling and driving motor.Interaction through the between humans and machines communication instruction; Realize the accurate control of motor torque and speed, avoid resolving problems such as bar, counter-rotating dropout, click is had overvoltage, overcurrent protection; Overcurrent speed limit function; Overcome shortcomings such as traditional screw pump amount of maintenance is big, accent ginseng difficulty, easily broken pump rod, cut down the consumption of energy, increased work efficiency.This device noise is low, is particularly suitable for the oil well in the residential belt.

The model and the manufacturer of each above-mentioned module are following: the master controller model is DVP20EH; The temp controller model is DTB4848, and USB flash disk controller model is DVP20EH, and man-machine interface text display model is TP04G; GPRS module model is DVPG4, and above producer is the Taiwan Delta; The motor driver model is DV3000, and producer is the excellent Li Kang in Wuxi; Anti-reverse controller model is DVPG4, and Taida provides for Xi'an, and motor is the vertical hollow direct driving motor of YD3000 type.

Claims

1. a directly-driven screw pump control system comprises the motor that is connected with screw pump through polished rod, it is characterized in that: this control system also comprises the electric machine controller that is used to control motor start-stop operation; Arrive data transmission through the mobile network GPRS data transmission module of Data Control Center; Accomplish storage and the man-machine interface text display of removing the historical data function; Change into the USB flash disk memory cell that USB flash disk can be stored data format to data; Control system is carried out temperature controlled temperature controller in real time and is responsible for the master controller of replying and stopping/opening through communication information control motor of data transmission, storage, the human-computer interaction of control whole system.

2. directly-driven screw pump control system according to claim 1 is characterized in that: this system also is provided with the anti-reverse controller that control motor main story stops.