CN2219975Y - Wireless telemeter for electric pump - Google Patents
Wireless telemeter for electric pump Download PDFInfo
- Publication number
- CN2219975Y CN2219975Y CN 93231080 CN93231080U CN2219975Y CN 2219975 Y CN2219975 Y CN 2219975Y CN 93231080 CN93231080 CN 93231080 CN 93231080 U CN93231080 U CN 93231080U CN 2219975 Y CN2219975 Y CN 2219975Y
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- CN
- China
- Prior art keywords
- electric pump
- controller
- utility
- model
- transmitter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Arrangements For Transmission Of Measured Signals (AREA)
- Selective Calling Equipment (AREA)
Abstract
The utility model relates to a wireless telemeter for an electric pump, which is a protection device matched with electromechanical products. The utility model is mainly used for far transmitting information, monitoring, etc. for electric oil-immersed pumps in the technical field of oil industry. The utility model is composed of an interface unit, an A/D analog to digital converter, a program memory device, a controller, and an emission machine. The utility model compared with existing intercommunication type wireless telemeters has the advantages of simple structure, low cost, high reliability, and high stability. The utility model can send relevant information as overload, underload, lacking phases, power cutting, power failure, and normal work to center monitoring room automatically and regularly.
Description
Electric pump wireless telemetering instrument is a kind of protection equipment of supporting electronic product, is mainly used in information remote transmitting, supervision of electrical submersible electric pump well etc. in the petroleum industry field.
According to the needs of oil field later stage exploitation, the application of electrical submersible electric pump (hereinafter to be referred as electric pump) will be all the more universal, because the electric pump equipment eighteenth of the twenty is expensive, the oil output height, management to electric pump well is extremely important, fails in time to find and handle with abnormal conditions if break down, and will bring big loss to production.For making the electric pump management scientification, this cover electric pump wireless telemetering instrument is finished information test, processing and the transmission at electric pump well scene as the part of electric pump centralized monitoring system, arrives the center monitoring chamber with radio transmitting, existing electric pump wireless telemetering instrument adopts the answer formula to take remote measurement its complex structure; The cost height, if well electric current and the various alarm signal that will test electric pump approximately need six sensing meanss, test data is many more, and the sensing pipe fitting increases more, and the package unit complex structure increases inconvenience to operation and maintenance.
Task of the present utility model provides a kind of novel " electric pump wireless telemetering instrument "; it is characterized in that adopting regularly from the newspaper mode; do not establish in the instrument and receive electrical equipment and demodulation circuit; the outside does not need to establish in addition primary transducer spare; it is installed in the electric pump control panel; can carry out automatic timing and send electric pump well for information about, but remote measurement electric pump operating current transships, functions such as underload, phase shortage, shutdown, power alarm to the center monitoring chamber.
The utility model is achieved in that electric pump wireless telemetering instrument adopts timing from the newspaper mode, and timed sending electric pump well running parameter and warning message have omitted receiving circuit and modulation-demodulation circuit, make it designs simplification; The various running parameters of electric pump well take out from the existing instrument (protection controller) on the former control panel, and current signal is taken from current transformer, and various alarm signals are taken from the protection controller, can save six primary transducers like this.This improved design is exactly a kind of novel " electric pump wireless telemetering instrument ".The electronic circuit that its internal structure adopts market to sell, by interface unit, A/D converter and memory under program and controller, transmitter are formed.The a string information coding of artificial regularly outside wireless transmission as Binary Code, is selected transmission by controller control.The electric pump current analog signal is delivered to A/D converter and is become digital signal, and compiles to Binary Code, under the control of timer and control circuit, is regularly launched by transmitter.For example artificial rated current information is made of three 8 Binary Code, and first 8 bit code is represented metric ten; Second 8 bit code represented a position, and the 3rd 8 bit codes are represented behind the decimal point one; The binary coding of current value 58.6A is: 00000101,00001000,00000110.After electric pump well breaks down; protection controller on the electric pump control panel can be made judgement; send on the corresponding output terminal on the corresponding input end of a voltage signal to this electric pump wireless telemetering instrument interface circuit; deliver on the controller after the judgment processing; the fault type that controller is sent here according to interface circuit; corresponding encoded in the caller memory is launched by transmitter.Different faults sends different codings, and for example: overload fault is encoded to 01011101; Underload malfunction coding is 01111011; Open-phase fault is encoded under 10010111 failure conditions such as grade, is not subjected to the restriction of time circuit, instant alarming.Each emission all is a string information that sends in order, can tell the pound sign (plane No.) that information sends, running state (fault type), the size of current value according to this a string information at receiving terminal.Various failure code differences can be judged various different faults types in the center monitoring chamber and make corresponding processing.All control programs of control panel are solidificated in the memory under program, are the control software of remote sensing instrument.Pei Zhi backup battery is a proper functioning of keeping remote sensing instrument under the grid power blackout situation in addition, and power cut signal is in time sent to the center monitoring chamber, reports the shutdown that had a power failure of this well.
Great advantage of the present utility model is with existing answer formula wireless telemetering instrument comparison, to have saved many primary transducer spares, omit receiving circuit and modulation-demodulation circuit, simplified the structure, reduced cost, improved reliability and stability, should promote the common use.
Following structure accompanying drawing further specifies:
Fig. 1, Fig. 2 are the structural drawing of electric pump wireless telemetering instrument, figure (3) is the principle assumption diagram of this instrument: the emission tutorial light (3) on Fig. 1 panel (2), test button (4) and signal input socket (5) are connected control panel (7), control panel (7) connects transmitter (10), transmitter (10) connects antenna socket (6) and is connected transformer (8) with antenna (16), ac power supply through input socket (5), supply with control panel (7) and transmitter (10) power supply behind constant current constant voltage, backup battery (9) is that the remote sensing instrument that supplies under unexpected power-off condition continues proper functioning.Connect A/D analog-digital converter (14) and controller (11) with reference to Fig. 3 electric current (22), controller (11) connects timer (13) and memory under program (12) and transmitter (10), and this just constitutes the transmission loop of electric pump operating current; Alarm signal overload, underload, phase shortage, shutdown, outage and proper functioning signal are input to switch value input interface device (15) by socket (5) simultaneously, and the complete machine power supply is provided by transformer (8) or reserve battery (9).Overload (17), underload (18); phase shortage (19); outage (20); shutting down (21) these five kinds of alarm signals all is connected on the interface unit (15); this interface unit (15) is also purchased ready-made standard piece on market; interface unit (15) connects controller (11), controller (11) linker memory (12) and transmitter (10), and this just constitutes the transmission loop of five kinds of alarm signals.For example: electric pump operating current (22) is delivered to A/D converter (14) and is carried out delivering to controller (11) after the analog-to-digital conversion and handle, after signal become standard signal coding, under the control of timer (13) and memory under program (12), launch in order through antenna (16) by transmitter (10).The electric pump working current value is made up of Binary Code.Above-mentioned electrical part such as A/D converter (14), controller (11) (being exactly single-chip microcomputer), memory (12), transmitter (10), antenna (16) etc. all are to purchase ready-made standard piece.When if above-described five kinds of alarm signals occurring, different faults just obtains a voltage signal on the respective input of interface unit (15), interface unit (15) judgment processing is delivered to controller (11), via controller (11) is handled and call corresponding malfunction coding from memory under program (12): as to decide the overload fault code be 01011101, and underload failure code is 01111011; The open-phase fault code is 10010111 etc.In addition, be not subjected to the restriction of timer (13) during malfunction alarm, controller during warning (11) cuts off time circuit automatically, directly launch through antenna (16) by transmitter (10), but and running fire repeatedly.
As long as ac power supply is connected on the power line, current signal line is connected on the interior current transformer of electric pump control panel during installation, and the alarm signal line is connected to wireless remote transmission, the monitoring that just can realize electric pump well information on the corresponding input end.
Claims (2)
1; electric pump wireless telemetering instrument is a kind of protection equipment of supporting electronic product; it is by interface unit; A/D analog-digital converter and memory under program and controller; transmitter is formed; it is characterized in that electric current (22) connects A/D analog-digital converter (14) and controller (11); controller (11) connects timer (13) and memory under program (12) and transmitter (10) and constitutes the transmission loop; five kinds of alarm signals: overload; underload; phase shortage; shut down; outage and proper functioning signal are input to switch value input interface device (15) by socket (5) simultaneously, and the complete machine power supply is provided by transformer (8) or reserve battery (9).
2, by the described electric pump wireless telemetering of claim 1 instrument, it is characterized in that five kinds of alarm signals all are connected interface unit (15), interface unit (15) connects the transmission loop that controller (11), controller (11) linker memory (12) and transmitter (10) constitute alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93231080 CN2219975Y (en) | 1993-05-29 | 1993-05-29 | Wireless telemeter for electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93231080 CN2219975Y (en) | 1993-05-29 | 1993-05-29 | Wireless telemeter for electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2219975Y true CN2219975Y (en) | 1996-02-14 |
Family
ID=33807607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93231080 Expired - Fee Related CN2219975Y (en) | 1993-05-29 | 1993-05-29 | Wireless telemeter for electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2219975Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514707A (en) * | 2013-09-29 | 2015-04-15 | 中国石油天然气股份有限公司 | Electric submersible plunger pump detection device and detection method thereof |
-
1993
- 1993-05-29 CN CN 93231080 patent/CN2219975Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514707A (en) * | 2013-09-29 | 2015-04-15 | 中国石油天然气股份有限公司 | Electric submersible plunger pump detection device and detection method thereof |
| CN104514707B (en) * | 2013-09-29 | 2017-03-15 | 中国石油天然气股份有限公司 | Electric oil-immersed plunger pump detection means and its detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |