CN201218186Y - Optical fiber driving circuit of oil-submersible electric pump medium-voltage frequency-conversion control cabinet - Google Patents
Optical fiber driving circuit of oil-submersible electric pump medium-voltage frequency-conversion control cabinet Download PDFInfo
- Publication number
- CN201218186Y CN201218186Y CNU2008200742798U CN200820074279U CN201218186Y CN 201218186 Y CN201218186 Y CN 201218186Y CN U2008200742798 U CNU2008200742798 U CN U2008200742798U CN 200820074279 U CN200820074279 U CN 200820074279U CN 201218186 Y CN201218186 Y CN 201218186Y
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Abstract
The utility model relates to an optical-fiber driving circuit of a medium-pressure frequency-conversion control cabinet in a submersible electric pump. The optical-fiber driving circuit is mainly formed through the connection of an optical driver, an optical transmitter, an optical receiver and a transmission optical fiber. The optical-fiber driving circuit is characterized in that the optical-fiber connection is adopted between the optical emitter and the optical receiver, and the distant-range PWM signal transmission between a master control panel of a frequency converter and an IGBT drive board can be realized through taking optical wave as a carrier and taking optical fiber as a transmission medium, and the signal transmission speed can reach up to 4Gb/S, thereby the system response time and the anti-jamming capacity are improved.
Description
Technical field
The utility model relates to a kind of submersible electric pump medium voltage converter control cabinet optical fiber driving circuit, is the change on the frequency variator intercommunication driving circuit structure in the VFC cabinet.
Background technique
At present, petroleum production is extensive use of Electric Submersible Pump Unit, the application frequency variator is controlled the mode of Electric Submersible Pump Unit and is occupied larger proportion, wherein frequency variator mainly adopts AC-DC-AC, three level modes design, frequency variator inside generally adopts STP shielded twisted pnir to carry out the transmission of pulse pwm signal from master control borad to IGBT driving plate, adopt twisted-pair feeder to make and have light current and forceful electric power simultaneously between inner master control system of frequency variator and the power cell, form serious the interference, influence the frequency variator safe and reliable operation, thereby need twisted-pair feeder to be worked out with stranded mode is manual, manufacturing process is comparatively complicated, because the twisted-pair feeder signal transmission rate is slow, has influenced the transmission of drive signal in addition, make the system response time of whole frequency variator slack-off, influenced the stability of frequency variator.
The model utility content
The purpose of this utility model is to provide the Optical Fiber Transmission mode of PWM drive signal between a kind of frequency variator master control borad and the IGBT driving plate, overcome deficiencies such as complex process, operation inconvenience, serious interference, transfer rate that frequency variator driving mode in the past exists are low, the isolation between the fine solution strong and weak electricity and the accurate transmission of signal, dwindled system bulk, reduce system cost, improved the antijamming capability of frequency variator greatly.
The technical solution adopted in the utility model is as follows: a kind of submersible electric pump medium voltage converter control cabinet optical fiber driving circuit is mainly by CD-ROM driver, transmitter, optical receiver and transmission fiber four parts are formed, it is characterized in that it is philppines1521 that the discrete transmitter that adopts is selected model for use, it is philppines 2521 that optical receiver is selected model for use, adopt optical fiber to be connected between transmitter and optical receiver, transmitter is provided with 1,2,3,4 four points of connection, wherein tie point 1 is connected to master control borad, receive the electrical signal of master control borad, tie point 2 ground wires, tie point 3,4 is empty angle; Optical receiver is provided with 5,6,7,8 four points of connection, and 7 of tie point 6 and tie points are provided with electric capacity of voltage regulation C, and tie point 6 ends are connected with+working power of 5V, tie point 7 terminal ground wires, 8 short circuits of tie point 5 and tie point, jumper output digital signal.
It mainly is to utilize light wave to be carrier that optical fiber transmits, optical fiber is transmission medium, adopt discrete transmitter and optical receiver to realize transmitting at a distance pwm pulse signal, between frequency variator master control borad and IGBT driving plate, use optical fiber to carry out the transmission of pwm signal, and selected the transmitter and the optical receiver of PHILIPS Co. for use.
Its working principle of the utility model is, the master control borad electrical signal sends light via the light emitting diode transmitter and enters optical fiber in conjunction with pwm signal by transmitter, pass to optical receiver along optical fiber, by receiver optical signal is converted to digital output signal to the IGBT driving plate then, thereby finishes the transmission course of signal.The utility model is applied between master control borad and the IGBT driving plate as the transmission of pwm signal, and its signaling rate can reach 4Gb/S, has improved system response time and antijamming capability.
Description of drawings
Fig. 1: schematic diagram of the present utility model;
Fig. 2: submersible electric pump medium voltage converter control cabinet optical fiber driving circuit structural drawing;
Among Fig. 2, TX is a transmitter; RX is an optical receiving set; The transmitter tie point has 1,2,3,4; The optical receiver tie point has 5,6,7,8; Transmission fiber 9.
Embodiment
Below in conjunction with drawings and Examples submersible electric pump medium voltage converter control cabinet optical fiber driving circuit structure of the present utility model is further specified, the utility model optical fiber driving circuit is mainly by CD-ROM driver, transmitter, optical receiver and transmission fiber four parts are formed, it is characterized in that it is philppines 1521 that the discrete transmitter that adopts is selected model for use, it is philppines 2521 that optical receiver is selected model for use, adopt optical fiber to be connected between transmitter and optical receiver, transmitter is provided with 1,2,3,4 four points of connection, wherein tie point 1 is connected to master control borad, receive the electrical signal of master control borad, tie point 2 ground wires, tie point 3,4 is empty angle; Optical receiver is provided with 5,6,7,8 four points of connection, and 7 of tie point 6 and tie points are provided with electric capacity of voltage regulation C, and tie point 6 ends are connected with+working power of 5V, tie point 7 terminal ground wires, 8 short circuits of tie point 5 and tie point, jumper output digital signal.
Claims (1)
1, a kind of submersible electric pump medium voltage converter control cabinet optical fiber driving circuit mainly is formed by connecting by CD-ROM driver, transmitter, optical receiver and transmission fiber, it is characterized in that adopting optical fiber (9) to be connected between transmitter and optical receiver, transmitter is provided with (1), (2), (3), (4) four points of connection, wherein tie point (1) is connected to master control borad, receive the electrical signal of master control borad, tie point (2) ground wire, tie point (3), (4) they are empty angle; Optical receiver is provided with (5), (6), (7), (8) four points of connection, be provided with electric capacity of voltage regulation C between tie point (6) and tie point (7), tie point (6) end is connected with+working power of 5V, the terminal ground wire of tie point (7), short circuit between tie point (5) and tie point (8), jumper output digital signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200742798U CN201218186Y (en) | 2008-04-01 | 2008-04-01 | Optical fiber driving circuit of oil-submersible electric pump medium-voltage frequency-conversion control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200742798U CN201218186Y (en) | 2008-04-01 | 2008-04-01 | Optical fiber driving circuit of oil-submersible electric pump medium-voltage frequency-conversion control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218186Y true CN201218186Y (en) | 2009-04-08 |
Family
ID=40541023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200742798U Expired - Fee Related CN201218186Y (en) | 2008-04-01 | 2008-04-01 | Optical fiber driving circuit of oil-submersible electric pump medium-voltage frequency-conversion control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201218186Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437878A (en) * | 2011-10-18 | 2012-05-02 | 中色科技股份有限公司 | Fiber-transmission-based interface circuit |
| CN104158525A (en) * | 2014-08-29 | 2014-11-19 | 电子科技大学 | Optically-driven IGBT (Insulated Gate Bipolar Translator) device based on single optical fiber power supply and pulse signal transmission |
| CN104167906A (en) * | 2014-08-12 | 2014-11-26 | 天津瑞能电气有限公司 | Method for transmitting half-bridge IGBT module driving signals through optical fibers |
-
2008
- 2008-04-01 CN CNU2008200742798U patent/CN201218186Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437878A (en) * | 2011-10-18 | 2012-05-02 | 中色科技股份有限公司 | Fiber-transmission-based interface circuit |
| CN104167906A (en) * | 2014-08-12 | 2014-11-26 | 天津瑞能电气有限公司 | Method for transmitting half-bridge IGBT module driving signals through optical fibers |
| CN104158525A (en) * | 2014-08-29 | 2014-11-19 | 电子科技大学 | Optically-driven IGBT (Insulated Gate Bipolar Translator) device based on single optical fiber power supply and pulse signal transmission |
| CN104158525B (en) * | 2014-08-29 | 2017-05-31 | 电子科技大学 | Powered the optical drive IGBT devices with pulse signal transmission based on simple optical fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CNPC BOHAI PETROLEUM EQUIPMENT MANUFACTURING CO., Free format text: FORMER OWNER: DAGANG OIL FIELD GROUP CO., LTD. Effective date: 20101013 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300280 DEPARTMENT OF SCIENCE AND TECHNOLOGY DEVELOPMENT, DAGANG OILFIELD GROUP CO., LTD., TIANJIN CITY TO: 300280 CHUANGANG ROAD, DAGANG OILFIELD, DAGANG DISTRICT, TIANJIN CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101013 Address after: 300280 Tianjin City, Grand Port Dagang Oilfield Sichuan Road Patentee after: CNPC Bohai Equipment Manufacturing Co., Ltd. Address before: 300280 Tianjin Dagang Oilfield Refco Group Ltd science and Technology Development Department Patentee before: Dagang Oil Field Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20150401 |
|
| EXPY | Termination of patent right or utility model |