CN101511027A - Remote monitoring device for oil extractor based on 3G - Google Patents
Remote monitoring device for oil extractor based on 3G Download PDFInfo
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- CN101511027A CN101511027A CNA2009100303592A CN200910030359A CN101511027A CN 101511027 A CN101511027 A CN 101511027A CN A2009100303592 A CNA2009100303592 A CN A2009100303592A CN 200910030359 A CN200910030359 A CN 200910030359A CN 101511027 A CN101511027 A CN 101511027A
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Abstract
The invention discloses a pumping unit remote monitoring device based on 3G, which is characterized in that, the A, B and C three-phase voltage and current of a motor are transformed by a voltage and current transformer and transmitted to a six-plate Sigma_DeltaADC; the six-plate Sigma_DeltaADC connected in series performs sampling under the control of a unified clock and a synchronous starting signal; a data stream is transmitted to a DSP through a multi-channel serial port McBSP0, and the DSP continuously receives and stores data in an EDMA mode; a video capturing device, such as a video camera, realizes video capture; a video compression and coding unit compresses video data flows; the core component DSP performs control, real-timely integrates and encapsulates continuously collected multi-channel electrics, mechanical parameters and video data flows into a 3G streaming media which is transmitted by a 3G mobile communication module through a 3G mobile communication network to a monitoring center. The monitoring device of the invention has the advantages that, no anti-alias filter is needed, the hardware cost is low and the data monitoring precision is high.
Description
Technical field
The present invention relates to the Automatic Detection and Control technical field, be specifically related to remote monitoring device for oil extractor based on 3G.
Background technology
At present, the traditional test step of oil pumper monitoring device is made up of digital-to-analogue conversion, anti-filter, the microprocessor of mixing repeatedly, the anti-repeatedly filter construction complexity of mixing, and the circuit precision is on the low side, thus the precision of signal processing can not get guaranteeing.
Oil pumper generally all is distributed in the field, and the computer cable network can't cover, so most treatment system all adopts the GPRS technology to realize the remote transmission of data.But, electric and the mechanical parameter of the real-time oil well that perfect oil well remote monitoring device not only contains multichannel wants online in real time to transmit, more to transmit the video data stream of video monitoring, and the GPRS data transmission bauds is the highest only to reach 115Kbps-170Kbps, and it can not satisfy the requirement of real-time Data Transmission far away.Emerging 3G mobile communication technology can be good at meeting the demands.Support the message transmission rate that 384Kbps does not wait to 2Mbps as WCDMA.WCDMA has inherited the high and open good characteristics of second generation mobile communication system GSM standard degree, and standardization make good progress.WCDMA supports high speed data transfer when mobile at a slow speed (384kbit/s, 2Mbit/s during indoor walking about), supports the variable-ratio transmission.Its main feature is as follows: asynchronous and synchronous operational mode is supported in the base station, and networking is convenient, flexible; Behavior BPSK on the modulation system, following behavior QPSK; The coherent demodulation mode that pilot tone is auxiliary; Adapt to the transmission of multiple speed, simultaneously many speed, multimedia business can be realized by the mode that changes spreading ratio and many yards parallel conveys; The multiple access of uplink and downlink power control significantly reducing fast and efficiently system disturbs, and improves power system capacity, also reduces the power of transmission simultaneously; The external control appliance of remote monitoring device is a lot, and each equipment all has different data types and form, access for ease of 3G network, multi-channel analog data, numerical data, the video data of test data terminal to be required to merge and be encapsulated into the 3G Streaming Media according to their different real-time, carry out data by 3G network and transmit, to solve present detection and control terminal product in networking speed bottle-neck problem.
Summary of the invention
The objective of the invention is to: a kind of remote monitoring device for oil extractor based on 3G is provided, monitoring variable that this monitoring device obtains after with signal processing and video monitoring multi-medium data merge and are encapsulated into the 3G Streaming Media and carry out real-time online and send to oil well Surveillance center, realize high accuracy oil well status monitoring.
The technical solution adopted for the present invention to solve the technical problems is: (1) is with the A of motor, B, the C three-phase voltage, electric current is sent into six Σ _ Δ ADC through the voltage current transformer conversion, six Σ _ Δ ADC series connection is also sampled under the control of the control of unified clock and synchronous enabling signal, six tunnel sampled values are formed the Frame of 6*24 position each time, continuous some frames are exactly the data flow that the three-phase voltage electric current is formed, McBSP0 sends into DSP by the multi-channel serial mouth, DSP receives data and internal memory continuously in the EDMA mode, carries out digital filtering through phase-splitting, extract, FFT, calculate harmonic wave, power factor, operational efficiency, monitoring parameters such as indicator card are handled; (2) carry out video acquisition by video collector such as video camera, carry out the compression of screen data flow by the video compression coding unit; (3) control by core devices DSP, the multipath electric that to constantly gather, mechanical parameter and video data stream merge and are encapsulated into the 3G Streaming Media in real time, deliver to Surveillance center by the 3G mobile communication module through the 3G mobile communications network, and receive the control command that Surveillance center sends simultaneously.
Concrete technical scheme of the present invention is: the governor circuit of this monitoring device comprises instrument transformer, digital to analog converter, processor and 3G mobile communication module, A, B, C three-phase current voltage is connected on 6 instrument transformers, 6 digital to analog converters of the corresponding connection of instrument transformer, 6 digital to analog converters are connected mutually, the input of sheet digital to analog converter under the output termination of every digital to analog converter, the input end grounding of first digital to analog converter, the output of last a slice digital to analog converter connects video data encoding compression unit and 3G mobile communication module by the receiving terminal of serial line interface connection processing device on the processor.
During work, A, B, C three-phase current, voltage U a, Ia, Ub, Ib, Uc, Ic are through instrument transformer, big electric current, high voltage become the voltage signal of 0-5V in proportion and send into 6 Σ _ Δ ADC ADS1271, the sampled data of every ADC outputs to down a slice input Di through Do, first input Di ground connection, last a slice output Do delivers to the receiving terminal Rx of the McBSP0 of DSP, DSP with EDMA (Enhanced direct Memory Access) mode read data frame after the DSP internal memory; Video collector collection video data is sent to the encoding compression unit and carries out video data compaction coding, video data behind the coding together merges with the multi-channel A translation data of handling through DSP and is encapsulated into the 3G Streaming Media, is sent to Surveillance center by DSP control WCDMA module by the 3G mobile communications network.
The invention has the beneficial effects as follows, monitoring device need not the anti-repeatedly filter that mixes, can realize the complicated digital signal processing, data bits is 32Bit, dynamic range reaches 106dB, hardware cost is low, data monitoring precision height, and the stream media value added service that provides by the 3G mobile technology can realize continual real-time Data Transmission to all monitor datas.
Description of drawings
Fig. 1 is a governor circuit schematic block diagram of the present invention.
Among the figure: 1 instrument transformer, 2 digital to analog converters, 3 processors, 4 video collector, 5 encoding compression unit, 63G mobile communication module, 73G mobile network, 8 Surveillance center.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
(1) with the A of motor, B, the C three-phase voltage, electric current is sent into six Σ _ Δ ADC through the voltage current transformer conversion, six Σ _ Δ ADC series connection is also sampled under the control of the control of unified clock and synchronous enabling signal, six tunnel sampled values are formed the Frame of 6*24 position each time, continuous some frames are exactly the data flow that the three-phase voltage electric current is formed, McBSP0 sends into DSP by the multi-channel serial mouth, DSP receives data and internal memory continuously in the EDMA mode, carries out digital filtering through phase-splitting, extract, FFT, calculate harmonic wave, power factor, operational efficiency, monitoring parameters such as indicator card are handled; (2) carry out video acquisition by video collector such as video camera, carry out the compression of screen data flow by the video compression coding unit; (3) control by core devices DSP, the multipath electric that to constantly gather, mechanical parameter and video data stream merge and are encapsulated into the 3G Streaming Media in real time, deliver to Surveillance center by the 3G mobile communication module through the 3G mobile communications network, and receive the control command that Surveillance center sends simultaneously.
Concrete technical scheme of the present invention is: the governor circuit of this monitoring device comprises instrument transformer 1, digital to analog converter 2, processor 3 and 3G mobile communication module 6, A, B, C three-phase current voltage is connected on 6 instrument transformers 1,6 digital to analog converters 2 of instrument transformer 1 corresponding connection, 6 digital to analog converters 2 are connected mutually, the input of sheet digital to analog converter 2 under the output termination of every digital to analog converter 2, the input end grounding of first digital to analog converter 2, the output of last a slice digital to analog converter 2 connects video data encoding compression unit 5 and 3G mobile communication module 6 by the receiving terminal of serial line interface connection processing device 3 on the processor 3.
During work, A, B, C three-phase current, voltage U a, Ia, Ub, Ib, Uc, Ic are through instrument transformer 1, the voltage signal that big electric current, high voltage become 0-5V is in proportion sent into the digital to analog converter 2 of 6 Σ _ Δ ADC ADS1271, the sampled data of every ADC outputs to down a slice input Di through Do, first input Di ground connection, last a slice output Do delivers to the receiving terminal Rx of the McBSP0 of dsp processor 3, DSP with EDMA (Enhanced direct Memory Access) mode read data frame after the DSP internal memory; Video collector 4 collection video datas are sent to encoding compression unit 5 and carry out video data compaction coding, video data behind the coding together merges with the multi-channel A translation data of handling through DSP and is encapsulated into the 3G Streaming Media, controls WCDMA module 6 by DSP and is sent to Surveillance center 8 by 3G mobile communications network 7.
Claims (2)
1. based on the remote monitoring device for oil extractor of 3G, it is characterized in that: (1) is with the A of motor, B, the C three-phase voltage, electric current is sent into six ∑s _ Δ ADC through the voltage current transformer conversion, six ∑s _ Δ ADC series connection is also sampled under the control of the control of unified clock and synchronous enabling signal, six tunnel sampled values are formed the Frame of 6*24 position each time, continuous some frames are exactly the data flow that the three-phase voltage electric current is formed, McBSPO sends into DSP by the multi-channel serial mouth, DSP receives data and internal memory continuously in the EDMA mode, carries out digital filtering through phase-splitting, extract, FFT, calculate harmonic wave, power factor, operational efficiency, monitoring parameters such as indicator card are handled; (2) carry out video acquisition by video collector such as video camera, carry out the compression of screen data flow by the video compression coding unit; (3) control by core devices DSP, the multipath electric that to constantly gather, mechanical parameter and video data stream merge and are encapsulated into the 3G Streaming Media in real time, deliver to Surveillance center by the 3G mobile communication module through the 3G mobile communications network, and receive the control command that Surveillance center sends simultaneously.
2. the remote monitoring device for oil extractor based on 3G according to claim 1, it is characterized in that: the governor circuit of this monitoring device comprises instrument transformer (1), digital to analog converter, processor (3) and 3G mobile communication module (6), A, B, C three-phase current voltage is connected on 6 instrument transformers (1), corresponding 6 digital to analog converters (2) that connect of instrument transformer (1), 6 digital to analog converters (2) are series connection mutually, the input of sheet digital to analog converter (2) under the output termination of every digital to analog converter (2), the input end grounding of first digital to analog converter (2), the output of last a slice digital to analog converter (2) is by the receiving terminal of serial line interface connection processing device (3), and processor (3) is gone up and connected video data encoding compression unit (5) and 3G mobile communication module (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100303592A CN101511027A (en) | 2009-03-20 | 2009-03-20 | Remote monitoring device for oil extractor based on 3G |
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| CNA2009100303592A CN101511027A (en) | 2009-03-20 | 2009-03-20 | Remote monitoring device for oil extractor based on 3G |
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| CNA2009100303592A Pending CN101511027A (en) | 2009-03-20 | 2009-03-20 | Remote monitoring device for oil extractor based on 3G |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667020A (en) * | 2009-09-25 | 2010-03-10 | 山东汉和能源科技有限公司 | Remote measurement and control terminal of oil pumping unit |
| CN101819432A (en) * | 2010-03-23 | 2010-09-01 | 浙江大学 | Beam pumping unit remote monitoring method and system based on wireless sensor network and TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) |
| CN103281372A (en) * | 2013-05-29 | 2013-09-04 | 滁州友林科技发展有限公司 | Pumping unit intelligent control method |
-
2009
- 2009-03-20 CN CNA2009100303592A patent/CN101511027A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667020A (en) * | 2009-09-25 | 2010-03-10 | 山东汉和能源科技有限公司 | Remote measurement and control terminal of oil pumping unit |
| CN101819432A (en) * | 2010-03-23 | 2010-09-01 | 浙江大学 | Beam pumping unit remote monitoring method and system based on wireless sensor network and TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) |
| CN103281372A (en) * | 2013-05-29 | 2013-09-04 | 滁州友林科技发展有限公司 | Pumping unit intelligent control method |
| CN103281372B (en) * | 2013-05-29 | 2015-12-23 | 滁州友林科技发展有限公司 | A kind of oil pumper intelligent control method |
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Open date: 20090819 |