CN101814896A - Remote control device and method for motor of submersible pump of offshore oil well - Google Patents
Remote control device and method for motor of submersible pump of offshore oil well Download PDFInfo
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- CN101814896A CN101814896A CN201010134897A CN201010134897A CN101814896A CN 101814896 A CN101814896 A CN 101814896A CN 201010134897 A CN201010134897 A CN 201010134897A CN 201010134897 A CN201010134897 A CN 201010134897A CN 101814896 A CN101814896 A CN 101814896A
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Abstract
The invention relates to a remote control device and method for a motor of a submersible pump of an offshore oil well, belonging to the remote-control field of motors. The remote control device for the motor of the submersible pump of offshore oil well comprises an upper computer of a land main control centre, GPRS modules, antennae, a singlechip control apparatus and a frequency converter, wherein the upper computer of the land main control centre is connected with a first GPRS module connected with a first antenna, the first antenna is connected with a second antenna via a GPRS wireless network, the second antenna is connected with a second GPRS module connected with the singlechip control apparatus, and the singlechip control apparatus is connected with the frequency converter. The device can perform real-time monitor and control, thereby improving the quick reaction capability of production and realizing the remote control for the motor of the submersible pump.
Description
Technical field
The invention belongs to the motor remote control field, particularly a kind of motor of submersible pump of offshore oil well remote control and method.
Background technology
The automaticity of modern industry process is improving constantly, it is very necessary that employing monitors and control to improve the quick reaction capability of producing to the production link of production scene in real time, the main manual mode that adopts of existing motor of submersible pump of offshore oil well control is regulated converter parameter, this method needs cooperating with on one's own initiative of people, there is following shortcoming in manual operation: cause operate miss easily, can't monitor in real time and control.
Summary of the invention
For solving the deficiency of above existing control device, purpose of the present invention proposes a kind of motor of submersible pump of offshore oil well remote control and method, utilizes this device, reaches the purpose of carrying out oil well oil-immersed pump motor Long-distance Control.
Technical scheme of the present invention is achieved in that the motor of submersible pump of offshore oil well remote control comprises: land Master Control Center host computer, GPRS module, antenna, monolithic processor control device, frequency converter, land Master Control Center host computer connects a GPRS module, the one GRPS module connects first antenna, first antenna is connected with second antenna by the GPRS wireless network, second antenna connects the 2nd GPRS module, the 2nd GPRS module connects monolithic processor control device, and monolithic processor control device connects frequency converter.
The signal transduction process of apparatus of the present invention is as follows:
Land Master Control Center host computer sends control command in the mode of heuristicimal code, control command is transferred to and a GPRS module by serial ports, the one GPRS module sends to the 2nd GPRS module that is positioned at the offshore field platform by GPRS network, the 2nd GPRS module is transferred to control command and is attached thereto the monolithic processor control device that connects, by the control command execution of command operations that parsing receives, the work of control of conversion device.
Utilize the motor of submersible pump of offshore oil well remote control control of conversion device course of work of the present invention as follows:
Step 1: monolithic processor control device receives the control command from land Master Control Center host computer, and control command is carried out CRC check, as the correct execution in step 2 then of check results, otherwise continues execution in step 1;
Step 2: carry out the control command decoding, analyzing this control command is read operation or write operation, and read operation then sends the order of reading voltage, electric current and frequency parameter, execution in step 3 to frequency converter in this way; Write operation execution in step 4 then in this way, otherwise execution in step 1;
Step 3: after frequency converter responds this reading order, send message to monolithic processor control device, monolithic processor control device sends acknowledge message to land Master Control Center host computer, execution in step 6;
Step 4: extract the write operation data, judge whether the write operation data satisfy the converter parameter legal range, do not conform to rule as this write data and extract again, in legal range, then send write order to frequency converter as the write operation data;
Step 5: after frequency converter is carried out the write operation order, to the monolithic processor control device return data, monolithic processor control device checks whether these data are written data, then to sending acknowledge message for land Master Control Center host computer, resends write order otherwise return in this way;
Step 6: finish.
Advantage of the present invention: apparatus of the present invention can monitor and control in real time, improve the quick reaction capability of producing, and realize the Long-distance Control to the oil-immersed pump motor.
Description of drawings
Fig. 1 is a motor of submersible pump of offshore oil well remote control structure chart of the present invention;
Fig. 2 is the connection diagram of motor of submersible pump of offshore oil well remote control of the present invention land Master Control Center host computer and GPRS module;
Fig. 3 is motor of submersible pump of offshore oil well remote control monolithic processor control device port organization figure of the present invention;
Fig. 4 is motor of submersible pump of offshore oil well remote control monolithic processor control device of the present invention and GPRS module connection diagram;
Fig. 5 is the connection diagram of motor of submersible pump of offshore oil well remote control monolithic processor control device of the present invention and frequency converter;
Fig. 6 is a motor of submersible pump of offshore oil well remote control monolithic processor control device program flow diagram of the present invention;
Fig. 7 is a motor of submersible pump of offshore oil well remote control frequency converter read/write control command protocol format schematic diagram of the present invention;
Fig. 8 is a motor of submersible pump of offshore oil well remote control frequency converter read/write control command protocol data paragraph format schematic diagram of the present invention;
Among the figure, 1, land Master Control Center host computer 2, GPRS module 3, antenna 4, GPRS communication network 5, monolithic processor control device 6, frequency converter.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Apparatus of the present invention are provided by accompanying drawing 1～Fig. 5, and this device comprises: land Master Control Center host computer 1, GPRS module 2, antenna 3, GPRS communication network 4, monolithic processor control device 5 and frequency converter 6.
Wherein, land Master Control Center host computer 1 is connected with a GPRS module, as shown in Figure 2, land Master Control Center host computer 1 is common PC computer, be connected with the GPRS module by serial ports, connect: the TX end of computer, RX end and earth terminal GND are connected RX end, TX end and the earth terminal GND of a GPRS module respectively.
Monolithic processor control device is developed voluntarily according to the oil field industrial production environment, port organization figure as shown in Figure 3, comprise various communication interfaces, wherein, 24+, 24-, 5V+, 5V-are power supply terminal, and PT, PR are RS-232 agreement terminal, RS-485+, RS-485-are RS-485 agreement terminal, CAN1, CAN2 are the CAN bus terminal, and G, G1 are earth terminal, and D01～D04, D11～D14 are the I/O port.
Monolithic processor control device is connected with the 2nd GPRS module by the RS-232 serial ports, and the PR port of monolithic processor control device, PT port, G1 port connect TX port, RX port and the earth terminal GND of the 2nd GPRS module respectively, as shown in Figure 4.
Monolithic processor control device is connected as shown in Figure 5 with frequency converter, and the RS-485+ of monolithic processor control device is connected with the RS-485-port with the RS-485+ of frequency converter respectively with the RS-485-port.
The monolithic processor control device handling process as shown in Figure 6, monolithic processor control device interrupt to receive control command by serial ports, then control command is carried out CRC check, if check results correctly then carry out next step, receives control command again otherwise return.
Control command is carried out CRC check, judge that it carries out the control command decoding after correct, utilizing this control command of frequency converter read/write control command protocal analysis is read operation or write operation, if read operation then sends the order of reading its voltage, electric current and frequency parameter to frequency converter, frequency converter response back return data, monolithic processor control device extracts data then, sends acknowledge message to host computer.
Described frequency converter read/write control command agreement user can set up on their own as required, provides definition in the present embodiment as shown in Figure 7, comprises 5 field: STX, LGE, ADR, DATA and BCC, is defined as follows:
STX is a start field, is 0X02;
LGE is a length field, the quantity of all bytes from ADR to BCC;
ADR is the frequency converter address, can be provided with on the panel of frequency converter, for example: 0x81;
DATA is the data division of read-write parameter;
BCC be last byte from STX to DATA XOR and;
Wherein, the DATA field comprises 4 fields as shown in Figure 8, is respectively PKE, IND, PWE
HightAnd PWE
Low, be defined as follows:
PNU is the address of the parameter that will read and write, 16 systems;
IND is the index of the parameter that is used to read and write, is exactly the situation of dividing several sub-clauses and subclauses under the parameter;
PWE is the actual numerical value of read-write, such as certain parameter is write data, just actual numerical value is placed in these 2 bytes, and is high-order preceding, least-significant byte after.
AK is the protocol format standard of " reading " or " writing ", and is as shown in the table:
If judge that control command is not the read operation order, then and then judge whether to be the write operation order, then return if not the write operation order and to receive data again, if the write operation data are then extracted in the write operation order, judge then whether the data after extracting are legal, promptly whether the data that will write satisfy the legal range of frequency converter frequency parameter, do not return and extract data again if these data conform to rule, if satisfy then send write order to frequency converter.
After executing write operation, frequency converter can be to the monolithic processor control device return data, and monolithic processor control device checks whether these data are the data that write then, if success then send acknowledge message to host computer resends write order otherwise return.
Claims (2)
1. motor of submersible pump of offshore oil well remote control, it is characterized in that: this device comprises: land Master Control Center host computer, GPRS module, antenna, monolithic processor control device, frequency converter, land Master Control Center host computer connects a GPRS module, the one GRPS module connects first antenna, first antenna is connected with second antenna by the GPRS wireless network, second antenna connects the 2nd GPRS module, the 2nd GPRS module connects monolithic processor control device, and monolithic processor control device connects frequency converter.
2. the control method of the described motor of submersible pump of offshore oil well remote control of claim 1 is characterized in that: comprise the steps:
Step 1: monolithic processor control device receives the control command from land Master Control Center host computer, and control command is carried out CRC check, as the correct execution in step 2 then of check results, otherwise continues execution in step 1;
Step 2: carry out the control command decoding, analyzing this control command is read operation or write operation, and read operation then sends the order of reading voltage, electric current and frequency parameter, execution in step 3 to frequency converter in this way; Write operation execution in step 4 then in this way, otherwise execution in step 1;
Step 3: after frequency converter responds this reading order, send message to monolithic processor control device, monolithic processor control device sends acknowledge message to land Master Control Center host computer, execution in step 6;
Step 4: extract the write operation data, judge whether the write operation data satisfy the converter parameter legal range, do not conform to rule as this write data and extract again, in legal range, then send write order to frequency converter as the write operation data;
Step 5: after frequency converter was carried out the write operation order, to the monolithic processor control device return data, monolithic processor control device checked whether these data are written data, in this way then landwards the Master Control Center host computer send acknowledge message, resend write order otherwise return;
Step 6: finish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101348979A CN101814896B (en) | 2010-03-30 | 2010-03-30 | Remote control device and method for motor of submersible pump of offshore oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101348979A CN101814896B (en) | 2010-03-30 | 2010-03-30 | Remote control device and method for motor of submersible pump of offshore oil well |
Publications (2)
| Publication Number | Publication Date |
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| CN101814896A true CN101814896A (en) | 2010-08-25 |
| CN101814896B CN101814896B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101348979A Expired - Fee Related CN101814896B (en) | 2010-03-30 | 2010-03-30 | Remote control device and method for motor of submersible pump of offshore oil well |
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| CN (1) | CN101814896B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816933A (en) * | 2017-03-17 | 2017-06-09 | 珠海市微半导体有限公司 | The system processing unit and method of a kind of complicated charge protocol |
Citations (5)
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| CN1594830A (en) * | 2004-06-17 | 2005-03-16 | 沈阳金田石油机械制造有限公司 | Intelligent oil recovery control system and control method thereof |
| US20090055029A1 (en) * | 2007-04-09 | 2009-02-26 | Lufkin Industries, Inc. | Real-time onsite internet communication with well manager for constant well optimization |
| CN201246144Y (en) * | 2008-03-14 | 2009-05-27 | 中国石油大学(北京) | Oil well frequency conversion control system and data acquisition control terminal |
| CN201393200Y (en) * | 2009-04-16 | 2010-01-27 | 鞍山新和电气有限公司 | GSM controller of variable-frequency speed control system |
| CN101661282A (en) * | 2008-08-27 | 2010-03-03 | 威海新隆德电气有限公司 | Wireless intelligent oil engine energy-saving control equipment |
-
2010
- 2010-03-30 CN CN2010101348979A patent/CN101814896B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594830A (en) * | 2004-06-17 | 2005-03-16 | 沈阳金田石油机械制造有限公司 | Intelligent oil recovery control system and control method thereof |
| US20090055029A1 (en) * | 2007-04-09 | 2009-02-26 | Lufkin Industries, Inc. | Real-time onsite internet communication with well manager for constant well optimization |
| CN201246144Y (en) * | 2008-03-14 | 2009-05-27 | 中国石油大学(北京) | Oil well frequency conversion control system and data acquisition control terminal |
| CN101661282A (en) * | 2008-08-27 | 2010-03-03 | 威海新隆德电气有限公司 | Wireless intelligent oil engine energy-saving control equipment |
| CN201393200Y (en) * | 2009-04-16 | 2010-01-27 | 鞍山新和电气有限公司 | GSM controller of variable-frequency speed control system |
Non-Patent Citations (2)
| Title |
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| 《石油仪器》 20090630 张乃禄、李欣妍、胡长岭 基于GPRS的石油钻机远程安全监控系统 图1 1 第23卷, 第3期 2 * |
| 《贵州大学学报》 20091031 李利军、肖兵 基于GPRS的分布式油田远程监控系统的设计 第89页、第90页、图1、图2 1 第26卷, 第5期 2 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816933A (en) * | 2017-03-17 | 2017-06-09 | 珠海市微半导体有限公司 | The system processing unit and method of a kind of complicated charge protocol |
| CN106816933B (en) * | 2017-03-17 | 2019-03-01 | 珠海市一微半导体有限公司 | A kind of the system processing unit and method of complexity charge protocol |
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| CN101814896B (en) | 2012-05-23 |
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Granted publication date: 20120523 Termination date: 20190330 |