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Control system of pumping unit

A control system and pumping unit technology, applied in general control systems, control/regulation systems, program control, etc., can solve the problems of low power density, low work efficiency, low reliability, etc., and achieve simplified structure and strong reliability. , the effect of improving work efficiency

Active Publication Date: 2021-03-26
DELTA ELECTRONICS INC
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  • Abstract
  • Description
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Problems solved by technology

[0004] The structure of the control system is complex and the power density is low. When any component fails, the control system will not work normally and the reliability is not high. At the same time, the control system is often limited by the requirements of the external PLC and HMI for the working environment. Not suitable for harsh natural environments
In addition, the on-site staff need to use the remote monitoring system to adjust the pumping unit, which cannot be monitored and displayed in real time, and the work efficiency is low

Method used

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Embodiment Construction

[0050] The present invention is described in further detail below in conjunction with accompanying drawing and specific embodiment: present embodiment is carried out under the premise of technical solution of the present invention, has provided embodiment and operation process, but protection scope of the present invention is not limited to following Example.

[0051] Please refer to figure 1 , figure 1 It is a structural schematic diagram of the control system of the pumping unit of the present invention. Such as figure 1As shown, the pumping unit 2 of the present invention includes a pumping motor 21 and a balance motor 22; the control system 1 of the pumping unit of the present invention includes: a frequency conversion integrated machine 11 and an information collection unit 12, and the frequency conversion integrated machine 11 is based on the pumping data collected. The operation information of the pumping unit 2 controls the pumping unit 2 to realize the control func...

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Abstract

The invention discloses a control system of a pumping unit. The control system comprises a frequency conversion integrated machine. The frequency conversion integrated machine controls a pumping unitbased on collected running information of the pumping unit and generates and displays a current indicator diagram of the pumping unit based on the running information. With the control system disclosed by the invention, the pumping unit can be controlled to realize the control function and the current indicator diagram of the pumping unit is displayed without the need to connect an external programmable controller, man-machine interface or other control devices, so that the equipment cost is lowered effectively and the equipment reliability is improved. And the oil extraction efficiency of theunit oil extraction well and the work efficiency of the operator are improved effectively.

Description

technical field [0001] The invention relates to a control system of a pumping unit, in particular to a control system of a pumping unit which can realize the control function of the pumping unit without an external control device. Background technique [0002] The pumping unit is widely used in the oil production site of the petroleum industry due to its reliable performance and simple structure. With the rapid development of science and technology, pumping units need to develop and evolve in the direction of intelligence and automation to meet the requirements of smart oilfield construction. [0003] At present, most pumping unit control systems use general-purpose frequency converters, supplemented by external programmable logic control modules (PLC) and human-machine interface (HMI), to realize the control of the pumping unit speed. In addition, the control system will send the operation information reflecting the displacement of the polished rod and the load signal to t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/05
CPCG05B19/054G05B2219/1103
Inventor 颜良益于敏华王宇星邵济峰
Owner DELTA ELECTRONICS INC
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