CN115223350A - Oil pumping unit acquisition system combined with VPDN protocol - Google Patents

Abstract

The invention discloses a pumping unit acquisition system combined with a VPDN protocol, which comprises an acquisition module, a pumping unit dead point position acquisition module, a core processing module, a VPDN protocol analysis module, a data storage module and a transmission system, wherein the pumping unit dead point position acquisition module is electrically connected with the core processing module, the output end of the acquisition module is electrically connected with the input end of the core processing module, the output end of the core processing module is electrically connected with the VPDN protocol analysis module, the VPDN protocol analysis module is electrically connected with the transmission system, and the VPDN protocol analysis module is also electrically connected with the data storage module. The dead point position is determined through the oil pumping unit dead point position acquisition module, the core processing module analyzes and processes data acquired by the acquisition module and filters the data, so that interference is removed, the VPDN protocol analysis module packs the data, the data are stored in the data storage module, data transmission to a public network is avoided, safety is guaranteed, and the data are transmitted to a terminal through a transmission system, so that oil field analysis is facilitated.

Description

A Pumping Unit Acquisition System Combined with VPDN Protocol

technical field

The invention relates to the technical field of pumping unit collection, in particular to a pumping unit collection system combined with VPDN protocol.

Background technique

The pumping machine parameters, dynamometer diagram, dead point, stroke, stroke, and wellhead temperature, pressure, flow and other parameter information are important representations of the working status of a single well, and can also fully reflect the operating status of the pumping unit. At present, the transmission of these parameters information relies on RS485 bus, ZigBee, WIPA, 4G and other means. RS485 bus requires wires and buried pipelines, which is uneconomical, limited in the number of communication terminals, and has large limitations. The lines are easily damaged and have poor reliability; ZigBee, WIPA, long-distance transmission is limited by distance and the surrounding environment, which is prone to data packet loss and instability; at present, 4G communication is subject to high reliability, no distance restrictions, low traffic costs, and good economy, but Internet security is the current the most practical difficulty. In addition, the current pumping unit cannot collect and transmit all parameters of the wellhead. In order to break the limitation of 4G security and incomplete transmission of wellhead parameters, after long-term research, the inventor invented a pumping unit acquisition system combined with the VPDN protocol.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the shortcomings of the prior art, and to provide a pumping unit collection system combined with the VPDN protocol.

The purpose of the present invention is achieved through the following technical solutions: a pumping unit collection system combined with VPDN protocol, including a collection module, a pumping unit dead point position collection module, a core processing module, a VPDN protocol analysis module, a data storage module and a transmission In the system, the dead-point position acquisition module of the pumping unit is electrically connected with the core processing module, the output end of the acquisition module is electrically connected with the input end of the core processing module, the output end of the core processing module is electrically connected with the VPDN protocol analysis module, and the VPDN protocol analysis module It is electrically connected with the transmission system, and the VPDN protocol parsing module is also electrically connected with the data storage module.

Preferably, the acquisition module includes an electrical parameter acquisition module, an analog data acquisition module and a digital data acquisition module, and the output ends of the electrical parameter acquisition module, the analog data acquisition module and the digital data acquisition module are all electrically connected to the core processing module, The electrical parameter acquisition module is used to collect various oil and electricity parameters of the pumping unit, the analog data acquisition module is used to collect wellhead temperature, pressure and flow, and the digital data acquisition module is used for digital transmission.

Preferably, the electrical parameter acquisition module adopts SPI communication technology.

Preferably, the analog quantity data acquisition module includes multiple 0-20Ma analog quantity acquisition circuits.

Preferably, the analog quantity data acquisition module includes four channels of 0-20Ma analog quantity acquisition circuits.

Preferably, the transmission system includes a 4G communication module and an oil cloud platform, the VPDN protocol analysis module is electrically connected to the 4G communication module, and the 4G communication module is electrically connected to the oil cloud platform.

Preferably, the VPDN protocol analysis module includes the pumping unit terminal, the operator, the oilfield communication platform, the oilfield bureau information center and the factory information center, the core processing module is electrically connected with the pumping unit terminal, and the pumping unit terminal is provided with a 4G module, The pumping unit terminal is electrically connected to the operator through the APN channel, the operator is electrically connected to the oilfield communication platform through the APN server, the oilfield communication platform sends the data to the oil cloud platform through the 4G communication module, and the oilfield communication platform sends the data through the DMZ isolation area. To the oilfield bureau information center, the oilfield bureau information center is electrically connected to the factory information center, and the factory information center is electrically connected to the data storage module.

Preferably, the oilfield communication platform is provided with a network security audit system platform and a firewall, and the network security audit system platform is used to filter data. .

The present invention has the following advantages: the present invention first determines the dead point position through the dead point position acquisition module of the pumping unit, and then collects it through the acquisition module, and the core processing module analyzes and processes the data collected by the acquisition module and filters the data, thereby removing interference, Finally, the data is packaged through the VPDN protocol analysis module, and the data is stored in the data storage module, which avoids transmitting the data to the public network, thereby ensuring security. The data is transmitted to the terminal through the transmission system, which is convenient for oilfield analysis and management. .

Description of drawings

Fig. 1 is the structural schematic diagram of the electrical principle of the acquisition system;

Fig. 2 is the structural schematic diagram of the electrical principle of VPDN protocol analysis module;

In the figure, 1- pumping unit terminal, 2- 4G module, 3- operator, 4- oil field communication platform, 5- network security audit system platform, 6- firewall, 7- oilfield bureau information center, 8- factory information center , 9-electric parameter acquisition module, 10-analog data acquisition module, 11-digital acquisition module, 12- pumping unit dead point position acquisition module, 13-core processing module, 14-VPDN protocol analysis module, 15-4G Communication module, 16-Data storage module, 17-Petroleum cloud platform, 18-Acquisition module, 19-Transmission system.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiment of this invention, and it is not an embodiment of all. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that is usually placed when the product of the invention is used, or the orientation or positional relationship that is commonly understood by those skilled in the art. In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are only used to differentiate the description and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In this embodiment, as shown in FIG. 1 , a pumping unit collection system combined with VPDN protocol includes a collection module 18, a pumping unit dead center position collection module 12, a core processing module 13, a VPDN protocol analysis module 14, The data storage module 16 and the transmission system 19, the pumping unit dead center position acquisition module 12 is electrically connected to the core processing module 13, the output terminal of the acquisition module 18 is electrically connected to the input terminal of the core processing module 13, and the output terminal of the core processing module 13 is electrically connected It is electrically connected with the VPDN protocol parsing module 14 , the VPDN protocol parsing module 14 is electrically connected with the transmission system 19 , and the VPDN protocol parsing module 14 is also electrically connected with the data storage module 16 . The dead point position is first determined by the dead point position acquisition module 12 of the pumping unit, and then collected by the acquisition module 18. The core processing module 13 analyzes and processes the data collected by the acquisition module 18 and filters the data to remove interference, and finally passes the VPDN. The protocol analysis module 14 packages the data and stores the data in the data storage module 16, which avoids data transmission to the public network, thereby ensuring security. The data is transmitted to the terminal through the transmission system 19, which is convenient for oilfield analysis and management. In this embodiment, the core processing module 13 adopts an embedded processor based on STM32F205.

Further, the acquisition module 18 includes an electrical parameter acquisition module 9, an analog quantity data acquisition module 10 and a digital quantity data acquisition module 11, and the outputs of the electrical parameter acquisition module 9, the analog quantity data acquisition module 10 and the digital quantity data acquisition module 11 are all It is electrically connected with the core processing module 13, the electrical parameter acquisition module 9 is used to collect various oil and electricity parameters of the pumping unit, the analog data acquisition module 10 is used to collect wellhead temperature, pressure and flow, and the digital quantity acquisition module 11 is used for digital data acquisition. volume transmission. Specifically, the core processing module 13 reads the dead point information and position information collected by the pumping unit dead point position acquisition module 12, and then feeds back the data to the core processing module 13 through the gyroscope detection device. Filter algorithm to determine the dead point position, and then collect and measure the active power, reactive power, active energy and reactive energy of each phase of the pumping unit and the combined phase through the electrical parameter acquisition module 9, and simultaneously collect the current and voltage of each phase. Value, power factor, phase angle, frequency and other parameters, preferably, the electrical parameter acquisition module 9 adopts SPI communication technology, that is to say, the core processing module 13 reads and controls the special electric energy metering chip HT7038 through the SPI communication technology to realize synchronous acquisition of various parameters. parameter. In this embodiment, the analog data acquisition module 10 uses a voltage reference of 2.5V, thereby ensuring sampling accuracy, and the digital data acquisition module 11 includes RS232 communication and RS485 bus communication, thereby satisfying short-range digital transmission. In this embodiment, both the gyroscope detection device and the dedicated electric energy metering chip HT7038 are in the prior art.

Still further, the analog quantity data acquisition module 10 includes multiple 0-20Ma analog quantity acquisition circuits. Preferably, the analog quantity data acquisition module 10 includes four channels of 0-20Ma analog quantity acquisition circuits. Specifically, the four-way 0-20Ma analog data acquisition circuit can realize the acquisition of traditional analog data such as wellhead temperature, pressure and flow. In this embodiment, the acquisition frequency is 100 Hz.

In this embodiment, the transmission system 19 includes a 4G communication module 15 and an oil cloud platform 17 , the VPDN protocol analysis module 14 is electrically connected to the 4G communication module 15 , and the 4G communication module 15 is electrically connected to the oil cloud platform 17 . Specifically, the 4G communication module 15 is used for data transmission. By integrating the MQTT transmission protocol, the real-time and reliable data transmission to the oil cloud platform 17 is ensured, which is convenient for oilfield analysis and management. In this embodiment, the MQTT transmission protocol is the prior art.

In this embodiment, the VPDN protocol analysis module includes a pumping unit terminal 1, an operator 3, an oilfield communication platform 4, an oilfield bureau information center 7 and a factory information center 8, and the core processing module 13 is electrically connected to the pumping unit terminal 1, The pumping unit terminal 1 is provided with a 4G module 2, the pumping unit terminal 1 is electrically connected to the operator 3 through the APN channel, and the operator 3 is electrically connected to the oilfield communication platform 4 through the APN server. Preferably, the oilfield communication platform 4 is provided with There are a network security auditing system platform 5 and a firewall 6, and the network security auditing system platform 5 is used for filtering data, and then cooperates with the firewall 6, thereby ensuring the reliability and security of the data. The oil field communication platform 4 sends the data to the oil cloud platform 17 through the 4G communication module 15, and the oil field communication platform 4 sends the data to the oil field bureau information center 7 through the DMZ isolation area, and the oil field bureau information center 7 is electrically connected with the factory information center 8. The information center 8 is electrically connected to the data storage module 16 . Specifically, VPDN is the internal local area network of the oil company. It is connected to UNINET by dedicated line and accessed by dial-up mode, thus ensuring the security and reliability of data. The card is bound to the DTU device, and the data is sent to the operator 3 through the APN channel. The operator 3 then pushes the data to the oilfield communication platform 4 through the APN server. The oilfield communication platform 4 uses the MQTT protocol to package the data, thus ensuring the data Then, the data is pushed to the oilfield bureau information center 7 through the DMZ isolation area. Finally, the oilfield bureau information center 7 feeds back the data to the factory information center 8. After the factory information center 8 receives the data, it performs display management; the factory information center The received data is stored in the data storage module 16 to facilitate subsequent viewing of the data.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (8)

1. a pumping unit collection system in conjunction with VPDN protocol, it is characterized in that: comprise collection module (18), pumping unit dead point position collection module (12), core processing module (13), VPDN protocol analysis module (14) ), a data storage module (16) and a transmission system (19), the pumping unit dead center position acquisition module (12) is electrically connected to the core processing module (13), and the output end of the acquisition module (18) is electrically connected to the input end of the core processing module (13), the output end of the core processing module (13) is electrically connected to the VPDN protocol parsing module (14), and the VPDN protocol parsing module (14) is electrically connected to the The transmission system (19) is electrically connected, and the VPDN protocol parsing module (14) is also electrically connected with the data storage module (16). 2. a kind of pumping unit acquisition system in conjunction with VPDN protocol according to claim 1, is characterized in that: described acquisition module (18) comprises electric parameter acquisition module (9), analog quantity data acquisition module (10) and A digital quantity data acquisition module (11), the output terminals of the electrical parameter acquisition module (9), the analog quantity data acquisition module (10) and the digital quantity data acquisition module (11) are all connected to the core processing module (13) electrical connection, the electrical parameter acquisition module (9) is used to collect various oil and electricity parameters of the pumping unit, the analog data acquisition module (10) is used to collect wellhead temperature, pressure and flow, The digital quantity acquisition module (11) is used for digital quantity transmission. 3. A kind of pumping unit acquisition system combined with VPDN protocol according to claim 2, is characterized in that: described electric parameter acquisition module (9) adopts SPI communication technology. 4. A pumping unit acquisition system combined with VPDN protocol according to claim 3, characterized in that: the analog quantity data acquisition module (10) comprises a multi-channel 0-20Ma analog quantity acquisition circuit. 5. A pumping unit acquisition system combined with VPDN protocol according to claim 4, characterized in that: the analog data acquisition module (10) comprises four channels of 0-20Ma analog acquisition circuits. 6. A kind of pumping unit acquisition system combining VPDN protocol according to claim 5, is characterized in that: described transmission system (19) comprises 4G communication module (15) and oil cloud platform (17), described VPDN The protocol analysis module (14) is electrically connected with the 4G communication module (15), and the 4G communication module (15) is electrically connected with the oil cloud platform (17). 7. The pumping unit acquisition system combined with the VPDN protocol according to any one of claims 2 to 6, characterized in that: the VPDN protocol parsing module comprises a pumping unit terminal (1), an operator (3) , oil field communication platform (4), oil field bureau information center (7) and factory information center (8), the core processing module (13) is electrically connected with the pumping unit terminal (1), the pumping unit terminal (1) is provided with a 4G module (2), the pumping unit terminal (1) is electrically connected to the operator (3) through an APN channel, and the operator (3) communicates with the oil field through an APN server The platform (4) is electrically connected, the oil field communication platform (4) sends data to the oil cloud platform (17) through the 4G communication module (15), and the oil field communication platform (4) passes through the DMZ isolation zone to The data is sent to the oilfield bureau information center (7), the oilfield bureau information center (7) is electrically connected to the plant information center (8), and the plant information center (8) is connected to the data storage module (16). ) electrical connection. 8. a kind of pumping unit acquisition system in conjunction with VPDN protocol according to claim 7, is characterized in that: described oil field communication platform (4) is provided with network security audit system platform (5) and firewall (6), The network security audit system platform (5) is used for filtering data.

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