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Acceleration-based indicator diagram data acquisition device of oil pumping unit

A technology of data acquisition and acceleration, applied in measurement devices, power metering, instruments, etc., can solve the problems of increasing the complexity of operation and increasing the cost of equipment, and achieve the effect of easy installation and use, improved accuracy and operability

Active Publication Date: 2012-05-02
NANJING RECON TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This increases the complexity of the operation and also increases the cost of the equipment

Method used

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  • Acceleration-based indicator diagram data acquisition device of oil pumping unit
  • Acceleration-based indicator diagram data acquisition device of oil pumping unit
  • Acceleration-based indicator diagram data acquisition device of oil pumping unit

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Embodiment Construction

[0023] Specific embodiments of the present invention will be further described in detail below.

[0024] Such as figure 1 Shown, the oil pumping unit power diagram data acquisition device based on acceleration of the present invention comprises single-chip microcomputer, wireless transmission module, the acceleration sensor that is arranged on the light rod of pumping unit, load sensor and the power supply module that supplies power for them, single-chip microcomputer is ATMEGA128, it Also includes a timer. The power module includes a lithium battery and a solar panel for powering the lithium battery.

[0025] Such as figure 2 As shown in , the steps for calculating the power map data of the pumping unit are:

[0026] 1) The acceleration sensor collects the real-time acceleration of the polished rod of the pumping unit, and the load sensor collects the real-time load of the polished rod of the pumping unit, and the collection frequency is 1 millisecond. The sensor transmi...

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Abstract

The invention discloses an acceleration-based indicator diagram data acquisition device of an oil pumping unit. The device comprises a singlechip, an acceleration sensor arranged on a polish rod of the oil pumping unit, a load sensor and a power module for supplying power, wherein the singlechip comprises a timer; the device is characterized in that: the indicator diagram data of the oil pumping unit is calculated by the following steps of: acquiring the acceleration and real-time load; calculating the average of multiple adjacent accelerations; calculating the zero value of the acceleration; integrating to obtain the speed; integrating to obtain an upper stroke and a lower stroke; equally dividing into multiple points according to distance; and adding the load corresponding to the point to obtain the indicator diagram data of the oil pumping unit. In the acceleration-based indicator diagram data acquisition device of the oil pumping unit disclosed by the invention, by improving the algorithm, the stroke and stroke frequency of the oil pumping unit are calculated simply by adopting the acceleration sensor to acquire the acceleration, and the accuracy and operability are greatly improved. Moreover, the device is convenient to install and use through a wireless transmission mode and a solar cell power supply mode.

Description

technical field [0001] The invention belongs to the field of oilfield acquisition, and in particular relates to an acceleration-based power diagram data acquisition device for a pumping unit. Background technique [0002] The power map data of the pumping unit refers to the stroke and load data of the polished rod of the pumping unit, which is the data that must be collected by equipment such as the wireless dynamometer of the oil well. At present, the method of collecting the power diagram data of the pumping unit is basically realized through the angular displacement sensor. For example: Tangshan Pingsheng Electronic Technology Development Co., Ltd. produces the power map and oil measurement transmission system, which can transmit the actual measured work map data of the oil well to the background network through GPRS. The angular displacement sensor measures the displacement data in real time, and the load sensor measures the load data in real time to form a map. curve. ...

Claims

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Application Information

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IPC IPC(8): G01L3/24
Inventor 严英武曾崇武
Owner NANJING RECON TECH
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