CN201909803U - Multifunctional electric energy meter specially used for oil pumping unit - Google Patents
Multifunctional electric energy meter specially used for oil pumping unit Download PDFInfo
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- CN201909803U CN201909803U CN2010206085725U CN201020608572U CN201909803U CN 201909803 U CN201909803 U CN 201909803U CN 2010206085725 U CN2010206085725 U CN 2010206085725U CN 201020608572 U CN201020608572 U CN 201020608572U CN 201909803 U CN201909803 U CN 201909803U
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Abstract
The utility model relates to a multifunctional electric energy meter specially used for an oil pumping unit. The electric energy meter has a reasonable structure, is convenient to use, has multiple functions and can effectively alleviate the working intensity. The electric energy meter comprises a voltage signal colleting device and a current signal collecting device; the voltage signal colleting device and the current signal collecting device are connected with the input terminal of a current/voltage transforming circuit; the output terminal of the current/voltage transforming circuit is connected with the input terminal of a DSP (Digital Signal Processor) chip; the output terminal of the DSP chip is in two-way communication with a single chip; and the single chip is in two-way communication with a memorizer and an upper computer respectively and is also connected with a display device and an input device.
Description
Technical field
The utility model relates to a kind of synthetical collection of rod-pumped well electricity consumption metering and load-position diagram parameter and oil pumper special-purpose multifunctional electric energy meter of transmission of being used for.
Background technology
The type of the electric energy meter of using on oil pumper at present, mainly is three-phase induction mechanical power energy meter and electronic electric energy meter.
(1) three-phase induction mechanical power energy meter: as DT862, this class electric energy meter can only measure the electric weight that has of pumping-unit motor, can arrive commentaries on classics to some electric energy meter of generated energy of oil pumper---generated output is cut automatically; Some electric energy meter is non-return to generated energy---and generated output is neither added do not subtract.The wireless transmission function that does not have data.
(2) electronic electric energy meter: as DSS534, the power that has that this class electric energy meter can pumping-unit motor measures, and also can measure the reactive power of oil pumper, also has data wireless teletransmission function, realizes the wireless transmission of data.
Electronic electric energy meter has three kinds of different principle of work, is respectively: the A. ammeter is not done any processing to generated output: only measure power input, and generated output is left intact.Compare the accumulative total charge value with the ammeter of other measuring principles placed in the middle.B. to generated output and the addition of power input absolute value: the power input of measure motor not only, and generated output and power input with the form addition of absolute value after the accumulative total electric weight.Compare accumulative total charge value maximum with the ammeter of other measuring principles.C. generated output and power input are subtracted each other with the form of absolute value: power input to a machine and generated output are subtracted each other back accumulative total electric weight with the form of absolute value, compare accumulative total charge value minimum with the ammeter of other measuring principles.
Existing problems are:
1, the electronic electric energy meter of different measuring principles metering result differs greatly
The electronic electric energy meter of different operating principle, though all qualified in laboratory verification accuracy, the machine that is applied to adopts in the electricity metering, because oil pumper has the singularity of generating state, difference is very big as a result in metering.
At present the oil field is the form addition with absolute value of the power input of oil pumper and generated output at the test philosophy of the electronic electric energy meter of usefulness, the electric energy meter of this class measuring principle and power input and generated output compare test with the electric energy meter that absolute value subtracts each other type, the result is many quantity calculations 5%-10%, and oil pumper is uneven more, and the electric weight of many meters is many more.
2, existing electric energy meter can't be realized independent metering to perception and capacitive reactive power
At present, magneto just enlarges range of application gradually at Shengli Oil Field, also applies in each oil field of China Petrochemical Industry.But magneto both can be the inductive load operation, also can be the operation of capacitive load state, when stator voltage is higher than the critical back-emf of permagnetic synchronous motor, was the inductive load operation; When stator voltage was lower than the critical back-emf of permagnetic synchronous motor, magneto was the capacitive load operation.These characteristics are meaningful especially on oil pumper, a transformer is dragged the situation of a motor, the capacitive reactive power of motor just in time with the perceptual idle mutual compensation of transformer, under the situation that does not add the electric capacity compensation, a power scale factor that can make transformer is greater than " 0.90 ".The performance of these motor capacitive reactive power characteristics, every annual about 3500kWh of line loss that reduces of oil pumper.Because traditional electric energy meter can not be realized the independent metering of perceptual idle and capacitive reactive power to magneto, so the characteristics of magneto capacitive reactive power just are difficult to fully play.
3, existing electric energy meter does not have oil-extractor polish-rod load load-position diagram parameter acquisition function
Traditional electronic electric energy meter just to the collection of voltage, electric current, phase parameter, adds up meritorious electric weight and capacity of idle power according to these parameters.
When problems such as the disconnected holder of oil well subsurface equipment sucker rod, oil pump are not fully filled, oil pump leakage of oil, oil pump vapour lock, oil pump Sha Ka, have no idea to find with eyes.Traditional way is to carry out testing and diagnosing with indicator.
A) the electric energy meter effect with teletransmission function is not given full play to
Present electronic electric energy meter has had the data remote functional module, but is collection and wireless transmission to electric quantity data in actual applications.In fact also be in the aspect of electric energy basis statistical management, in depth do not provide due technical support for the analysis of computer collecting system dynamic monitoring; Aspect energy-conservation, do not provide due technical support.So traditional data remote function singleness does not obtain the performance of combined action.
B) three-phase induction mechanical power energy meter function singleness
Though traditional triphase induction type electric energy meter can realize that it can only measure meritorious electric weight to the cutting automatically of generated energy; The function of measuring that had not both had capacity of idle power does not have the data remote function yet.Can not satisfy the needs of digitizing oil field development.
The utility model content
The purpose of this utility model provides a kind of rational in infrastructure, easy to use exactly for addressing the above problem, and function is more, can effectively alleviate the oil pumper special-purpose multifunctional electric energy meter of advantages such as working strength.
For achieving the above object, the utility model adopts following technical scheme:
A kind of oil pumper special-purpose multifunctional electric energy meter, it comprises voltage signal acquisition device and current signal harvester, both are connected with stream/pressure translation circuit input end, and stream/pressure translation circuit output terminal is connected with the dsp chip input end, dsp chip output terminal and single-chip microcomputer two-way communication; Single-chip microcomputer is then two-way with letter with storer, host computer respectively, and single-chip microcomputer also is connected with input media with display device simultaneously.
Described voltage signal acquisition device is the current mode voltage transformer (VT).
Described current signal harvester is a current transformer.
Described stream/pressure translation circuit is the AD73360 chip.
Described dsp chip is the ADSP-BF532 chip.
Described single-chip microcomputer is the LPC2214 chip.
Described input media keyboard, described output unit LCD display.
Described storer is the AT24C64 chip.
Principle of work of the present utility model is: the main circuit formation is: current-voltage conversion (A/D) circuit AD73360 and DSP high-speed data processor ADSP-BF532, LPC2214, AT24C64, Key, LCD, PC; The effect brief introduction of each several part:
A/D converter AD73360 and DSP high-speed data processor ADSP-BF532 mainly act on and are:
AD73360 and ADSP-BF532 sample to each phase voltage, electric current, by corresponding mathematical computations, are partly finished a series of works of treatment such as electric parameter measurement, electric energy accumulative total, frequency analyses by ADSP-BF532.
LPC2214 mainly acts on:
Master cpu is finished functions such as sampled data processing, communication, demonstration, button, system maintenances.
AT24C16 mainly acts on:
Memory management is as stored parameter etc.
Key mainly acts on:
Button is checked data, and parameter etc. is set.
LCD mainly acts on:
Video data, wireless signal, electric weight, parameter etc.
PC mainly acts on:
The operation daemon software is monitored terminal.
AD73360 can use shunt or mutual inductor measurement electric current cheaply, uses divider resistance or voltage measuring transformer voltage.ADSP-BF532 has the two-way serial ports with the microcontroller communication, and the pulse output frequency of chip is directly proportional with meritorious energy.ADSP-BF532 has easily AC/DC system calibration function on the sheet.The characteristics of " bootstrap " can be worked ADSP-BF532 alone, auto-initiation after system powers on.In the bootstrap pattern, ADSP-BF532 reads calibration data and enabled instruction from an outside EEPROM.When using this pattern, ADSP-BF532 work the time does not need to add microcontroller, therefore when ammeter is used for dwelling house electric energy measurement in enormous quantities, can reduce the cost of ammeter.And the higher programming Control of being convenient to of this chip integration is so the design adopts this scheme.
The beneficial effects of the utility model are: oil pumper special-purpose multifunctional electric energy meter and traditional electric energy meter have increased by three functions: the one, realize 4 quadrant function of measuring by the internal processes of revising existing electric energy meter, this function can be measured respectively the meritorious electric weight of the input of pumping-unit motor, the meritorious electric weight of generating, has avoided the electric energy meter of different measuring principles to measure the generation once more of the very big phenomenon of difference as a result on same oil pumper; The 2nd, realized perceptual capacity of idle power and capacitive reactive power electric weight are measured respectively, this function i.e. good monitoring motor power factor height, can well monitor the duty of magneto again, for the performance of magneto capacitive reactive power characteristics provides technical support.The 3rd, increased pumping-unit workdone graphic monitoring wireless acquisition interface circuit, realize wireless collection and transmission to oil-extractor polish-rod load-position diagram parameter (load transducer and acceleration transducer); This function has replaced the GPRS remote transmitting system of the oil well load-position diagram surveillance of establishing one's own system, and oil pumper data collection and transfering system cost is declined to a great extent.The use in conjunction of the collection of these electric energy meter data and wireless transmission and backstage analysis software: the telemonitoring that both can realize the oil well load-position diagram---reduce the oil recovery working strength of workers, can realize the operation of pumping unit system energy saving optimizing again, produce unusual supervision warning.
Succeeding in developing to the supvr provides go-go technical management means of this technology is one of effective measures of enhancing efficiency by relying on tapping internal latent power.
Description of drawings
Fig. 1 is a structural drawing of the present utility model.
Wherein, 1 voltage signal acquisition device, 2 current signal harvesters, 3 stream/pressure translation circuits, 4DSP chip, 5 single-chip microcomputers, 6 storeies, 7 host computers, 8LCD display, 9 keyboards.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Among Fig. 1, it comprises voltage signal acquisition device 1 and current signal harvester 2, and both are connected with stream/pressure translation circuit 3 input ends, and stream/pressure translation circuit 3 output terminals are connected with dsp chip 4 input ends, dsp chip 4 output terminals and single-chip microcomputer 5 two-way communications; 5 of single-chip microcomputers are two-way with letter with storer 6, host computer 7 respectively, and single-chip microcomputer 5 also is connected with input media with display device simultaneously.
Described voltage signal acquisition device 1 is the current mode voltage transformer (VT).
Described current signal harvester 2 is a current transformer.
Described stream/pressure translation circuit 3 is the AD73360 chip.
Described dsp chip 4 is the ADSP-BF532 chip.
Described single-chip microcomputer 5 is the LPC2214 chip.
Described input media keyboard 9, described output unit LCD display 8.
Described storer 6 is the AT24C64 chip.
Claims (8)
1. oil pumper special-purpose multifunctional electric energy meter, it is characterized in that it comprises voltage signal acquisition device and current signal harvester, both are connected with stream/pressure translation circuit input end, stream/pressure translation circuit output terminal is connected with the dsp chip input end, dsp chip output terminal and single-chip microcomputer two-way communication; Single-chip microcomputer is then two-way with letter with storer, host computer respectively, and single-chip microcomputer also is connected with input media with display device simultaneously.
2. oil pumper special-purpose multifunctional electric energy meter as claimed in claim 1 is characterized in that described voltage signal acquisition device is the current mode voltage transformer (VT).
3. oil pumper special-purpose multifunctional electric energy meter as claimed in claim 1 is characterized in that described current signal harvester is a current transformer.
4. oil pumper special-purpose multifunctional electric energy meter as claimed in claim 1 is characterized in that described stream/pressure translation circuit is the AD73360 chip.
5. oil pumper special-purpose multifunctional electric energy meter as claimed in claim 1 is characterized in that described dsp chip is the ADSP-BF532 chip.
6. oil pumper special-purpose multifunctional electric energy meter as claimed in claim 1 is characterized in that described single-chip microcomputer is the LPC2214 chip.
7. oil pumper special-purpose multifunctional electric energy meter as claimed in claim 1 is characterized in that, described input media keyboard, described output unit LCD display.
8. oil pumper special-purpose multifunctional electric energy meter as claimed in claim 1 is characterized in that described storer is the AT24C64 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206085725U CN201909803U (en) | 2010-11-16 | 2010-11-16 | Multifunctional electric energy meter specially used for oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206085725U CN201909803U (en) | 2010-11-16 | 2010-11-16 | Multifunctional electric energy meter specially used for oil pumping unit |
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| Publication Number | Publication Date |
|---|---|
| CN201909803U true CN201909803U (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206085725U Expired - Fee Related CN201909803U (en) | 2010-11-16 | 2010-11-16 | Multifunctional electric energy meter specially used for oil pumping unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863918A (en) * | 2021-10-27 | 2021-12-31 | 沈阳汽车刮水器厂 | Beam-pumping unit balance rate monitoring method and device based on electric energy method |
-
2010
- 2010-11-16 CN CN2010206085725U patent/CN201909803U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863918A (en) * | 2021-10-27 | 2021-12-31 | 沈阳汽车刮水器厂 | Beam-pumping unit balance rate monitoring method and device based on electric energy method |
| CN113863918B (en) * | 2021-10-27 | 2023-12-29 | 沈阳中海石油设备制造有限公司 | Balance rate monitoring method and device for beam pumping unit based on electric energy method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20181116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |