CN203775104U - Electronic control energy-saving cabinet of oil pumping unit - Google Patents
Electronic control energy-saving cabinet of oil pumping unit Download PDFInfo
- Publication number
- CN203775104U CN203775104U CN201420158074.3U CN201420158074U CN203775104U CN 203775104 U CN203775104 U CN 203775104U CN 201420158074 U CN201420158074 U CN 201420158074U CN 203775104 U CN203775104 U CN 203775104U
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- diode
- resistance
- capacitor
- frequency converter
- bidirectional thyristor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Control Of Ac Motors In General (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model provides an electronic control energy-saving cabinet of an oil pumping unit and belongs to the field of oil extraction control field. The utility model aims to solve the problem that the power is changed frequently for saving energy and consequently the service life of a motor is shortened and the industrial cost is increased. The electronic control energy-saving cabinet comprises a frequency converter, an oil well parameter monitoring unit, an electric power parameter monitoring unit and an energy feedback unit and further comprises a power abrupt change damping circuit. The power abrupt change damping circuit comprises a transformer T, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a slide rheostat Rp1, a slide rheostat Rp2, a capacitor C1, a capacitor C2, a capacitor C3, a diode D1, a diode D2, a diode D3, a diode D4, a voltage-regulator diode D5, a bidirectional thyristor VS1 and a bidirectional thyristor VS2. The phase-shifting control of the bidirectional thyristors and the power abrupt change damping circuit are used for achieving the gradual change of the power of the motor of the oil pumping unit.
Description
Technical field
The utility model relates to oil pumper electric controlled energy saving cabinet, belongs to oil recovery control field.
Background technology
In oil exploitation, / 3rd of the about xanthenes oil of an electric cost expenditure production cost, oil pumper is as the most basic equipment in oil field, and it is saved energy and reduce the cost and seems more important, beam pumping unit---and the system-wide gross efficiency of rod pumping pump at home general area on average only has 12%～23, advanced area is so far also less than 30%, system effectiveness is low, and energy consumption is large, and power consumption is just many, therefore, an energy-conservation urgent problem that becomes rod pumping system of oil pumper.
Oil well pump is a kind of plunger displacement pump, to motor, is a kind of permanent torque load, and the electrical power of motor is directly proportional to its rotating speed, therefore, there is a kind of prior art to adopt variable-frequency governor energy-conservation, according to the liquid outlet quantity of oil well, automatically regulate electrical speed to carry out Modulating Power, reach energy-conservation object
But the frequent variations of power has certain impact to motor, can make the lifetime of motor, the motor price of oil pumper is often higher, for energy-conservation frequent variations power, shortens electrical machinery life and can strengthen industrial cost.
Summary of the invention
The utility model object is to solve to shorten for energy-conservation frequent variations power the problem that electrical machinery life can strengthen industrial cost, and a kind of oil pumper electric controlled energy saving cabinet is provided.
Oil pumper electric controlled energy saving cabinet described in the utility model, comprises frequency converter, oilwell parameter monitoring means, power param eter supervision unit and energy feedback unit; Oilwell parameter monitoring means monitoring oilwell parameter, and send to frequency converter; The parameter of power param eter supervision unit monitoring pumping-unit motor, and send to frequency converter; The speed of service of Frequency Converter Control pumping-unit motor, the Energy Transfer end of frequency converter is connected with the Energy Transfer end of energy feedback unit; Frequency converter is connected in 380V AC power by three-phase breaker Q;
Also comprise chugging antihunt circuit; Described chugging antihunt circuit comprises transformer T, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, slide rheostat Rp1, slide rheostat Rp2, capacitor C 1, capacitor C 2, capacitor C 3, diode D1, diode D2, diode D3, diode D4, voltage stabilizing didoe D5, bidirectional thyristor VS1 and bidirectional thyristor VS2;
One end of the former limit winding of transformer T connects zero line, and the other end of the former limit winding of transformer T connects a live wire between frequency converter and oil pumper;
One end of the secondary winding of transformer T connects stiff end and sliding end, one end of bidirectional thyristor VS2 and one end of resistance R 4 of a stiff end, the slide rheostat Rp2 of slide rheostat Rp1 simultaneously;
The other end of the secondary winding of transformer T connect the anode of diode D4 simultaneously, one end of the negative electrode of diode D3, capacitor C 1, one end of the other end of bidirectional thyristor VS2 and capacitor C 2; The other end of capacitor C 2 is connected with the other end of resistance R 4;
Another stiff end of slide rheostat Rp2 is connected with one end of resistance R 1 with another stiff end and the sliding end thereof of slide rheostat Rp1 simultaneously; The other end of resistance R 1 is connected with the negative electrode of diode D2 with one end of resistance R 2, the anode of diode D1 simultaneously;
The other end of resistance R 2 is connected with one end of bidirectional thyristor VS1 with one end of resistance R 3 simultaneously; The other end of bidirectional thyristor VS1 is connected with the control end of bidirectional thyristor VS2;
The other end of resistance R 3 is connected with the other end of capacitor C 1;
The negative electrode of diode D1 is connected with the negative electrode of diode D4 with one end of resistance R 5, the negative electrode of voltage stabilizing didoe D5 simultaneously;
The anode of diode D2 is connected with the anode of diode D3 with the other end of resistance R 5, one end of capacitor C 3 simultaneously;
The other end of capacitor C 3 is connected with the anode of voltage stabilizing didoe D5.
Advantage of the present utility model: oil pumper electric controlled energy saving cabinet described in the utility model is simple, when frequency converter regulates pumping-unit motor power to change greatly, antihunt circuit makes sudden change change a progressive formation into, if frequency converter regulates pumping-unit motor power to change when little, antihunt circuit can keep power constant, like this, effectively reduce power and changed the prominent punching to pumping-unit motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of oil pumper electric controlled energy saving cabinet described in the utility model.
Embodiment
Embodiment one: below in conjunction with Fig. 1, present embodiment is described, oil pumper electric controlled energy saving cabinet described in present embodiment, comprises frequency converter, oilwell parameter monitoring means, power param eter supervision unit and energy feedback unit; Oilwell parameter monitoring means monitoring oilwell parameter, and send to frequency converter; The parameter of power param eter supervision unit monitoring pumping-unit motor, and send to frequency converter; The speed of service of Frequency Converter Control pumping-unit motor, the Energy Transfer end of frequency converter is connected with the Energy Transfer end of energy feedback unit; Frequency converter is connected in 380V AC power by three-phase breaker Q;
Also comprise chugging antihunt circuit; Described chugging antihunt circuit comprises transformer T, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, slide rheostat Rp1, slide rheostat Rp2, capacitor C 1, capacitor C 2, capacitor C 3, diode D1, diode D2, diode D3, diode D4, voltage stabilizing didoe D5, bidirectional thyristor VS1 and bidirectional thyristor VS2;
One end of the former limit winding of transformer T connects zero line, and the other end of the former limit winding of transformer T connects a live wire between frequency converter and oil pumper;
One end of the secondary winding of transformer T connects stiff end and sliding end, one end of bidirectional thyristor VS2 and one end of resistance R 4 of a stiff end, the slide rheostat Rp2 of slide rheostat Rp1 simultaneously;
The other end of the secondary winding of transformer T connect the anode of diode D4 simultaneously, one end of the negative electrode of diode D3, capacitor C 1, one end of the other end of bidirectional thyristor VS2 and capacitor C 2; The other end of capacitor C 2 is connected with the other end of resistance R 4;
Another stiff end of slide rheostat Rp2 is connected with one end of resistance R 1 with another stiff end and the sliding end thereof of slide rheostat Rp1 simultaneously; The other end of resistance R 1 is connected with the negative electrode of diode D2 with one end of resistance R 2, the anode of diode D1 simultaneously;
The other end of resistance R 2 is connected with one end of bidirectional thyristor VS1 with one end of resistance R 3 simultaneously; The other end of bidirectional thyristor VS1 is connected with the control end of bidirectional thyristor VS2;
The other end of resistance R 3 is connected with the other end of capacitor C 1;
The negative electrode of diode D1 is connected with the negative electrode of diode D4 with one end of resistance R 5, the negative electrode of voltage stabilizing didoe D5 simultaneously;
The anode of diode D2 is connected with the anode of diode D3 with the other end of resistance R 5, one end of capacitor C 3 simultaneously;
The other end of capacitor C 3 is connected with the anode of voltage stabilizing didoe D5.
In conjunction with Fig. 1, operation principle is described, frequency converter, oilwell parameter monitoring means, power param eter supervision unit and energy feedback unit are to control oil pumper by the part of oil pump capacity automatic speed regulation, at this, no longer describe in detail.
In motor operation course, frequency converter regulates the power of oil pumper automatically according to the parameter monitoring, and present embodiment adopts bidirectional thyristor phase shifting control and chugging antihunt circuit to control pumping-unit motor power and realizes gradual change.When frequency converter regulates pumping-unit motor power to change greatly, antihunt circuit makes sudden change change a progressive formation into, if frequency converter regulates pumping-unit motor power to change when little, antihunt circuit can keep power constant, like this, effectively reduce power and changed the prominent punching to pumping-unit motor.The magnitude of voltage that voltage stabilizing didoe D5 limits can make power of motor change little time to keep power constant.
Embodiment two: present embodiment is described further execution mode one, frequency converter two ends three-phase breaker KM in parallel.
Embodiment three: present embodiment is described further execution mode one, arranges three-phase fuse FU between frequency converter and pumping-unit motor.
Claims (3)
1. oil pumper electric controlled energy saving cabinet, comprises frequency converter, oilwell parameter monitoring means, power param eter supervision unit and energy feedback unit; Oilwell parameter monitoring means monitoring oilwell parameter, and send to frequency converter; The parameter of power param eter supervision unit monitoring pumping-unit motor, and send to frequency converter; The speed of service of Frequency Converter Control pumping-unit motor, the Energy Transfer end of frequency converter is connected with the Energy Transfer end of energy feedback unit; Frequency converter is connected in 380V AC power by three-phase breaker Q;
It is characterized in that, also comprise chugging antihunt circuit; Described chugging antihunt circuit comprises transformer T, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, slide rheostat Rp1, slide rheostat Rp2, capacitor C 1, capacitor C 2, capacitor C 3, diode D1, diode D2, diode D3, diode D4, voltage stabilizing didoe D5, bidirectional thyristor VS1 and bidirectional thyristor VS2;
One end of the former limit winding of transformer T connects zero line, and the other end of the former limit winding of transformer T connects a live wire between frequency converter and oil pumper;
One end of the secondary winding of transformer T connects stiff end and sliding end, one end of bidirectional thyristor VS2 and one end of resistance R 4 of a stiff end, the slide rheostat Rp2 of slide rheostat Rp1 simultaneously;
The other end of the secondary winding of transformer T connect the anode of diode D4 simultaneously, one end of the negative electrode of diode D3, capacitor C 1, one end of the other end of bidirectional thyristor VS2 and capacitor C 2; The other end of capacitor C 2 is connected with the other end of resistance R 4;
Another stiff end of slide rheostat Rp2 is connected with one end of resistance R 1 with another stiff end and the sliding end thereof of slide rheostat Rp1 simultaneously; The other end of resistance R 1 is connected with the negative electrode of diode D2 with one end of resistance R 2, the anode of diode D1 simultaneously;
The other end of resistance R 2 is connected with one end of bidirectional thyristor VS1 with one end of resistance R 3 simultaneously; The other end of bidirectional thyristor VS1 is connected with the control end of bidirectional thyristor VS2;
The other end of resistance R 3 is connected with the other end of capacitor C 1;
The negative electrode of diode D1 is connected with the negative electrode of diode D4 with one end of resistance R 5, the negative electrode of voltage stabilizing didoe D5 simultaneously;
The anode of diode D2 is connected with the anode of diode D3 with the other end of resistance R 5, one end of capacitor C 3 simultaneously;
The other end of capacitor C 3 is connected with the anode of voltage stabilizing didoe D5.
2. oil pumper electric controlled energy saving cabinet according to claim 1, is characterized in that, frequency converter two ends three-phase breaker KM in parallel.
3. oil pumper electric controlled energy saving cabinet according to claim 1, is characterized in that, three-phase fuse FU is set between frequency converter and pumping-unit motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420158074.3U CN203775104U (en) | 2014-04-02 | 2014-04-02 | Electronic control energy-saving cabinet of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420158074.3U CN203775104U (en) | 2014-04-02 | 2014-04-02 | Electronic control energy-saving cabinet of oil pumping unit |
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| Publication Number | Publication Date |
|---|---|
| CN203775104U true CN203775104U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420158074.3U Expired - Fee Related CN203775104U (en) | 2014-04-02 | 2014-04-02 | Electronic control energy-saving cabinet of oil pumping unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623661A (en) * | 2019-01-30 | 2019-04-16 | 中原工学院 | A kind of following permanent torque speed control unit of the emery wheel 60Hz of grinding wheel machining tool |
-
2014
- 2014-04-02 CN CN201420158074.3U patent/CN203775104U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623661A (en) * | 2019-01-30 | 2019-04-16 | 中原工学院 | A kind of following permanent torque speed control unit of the emery wheel 60Hz of grinding wheel machining tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20200402 |