CN102857125A - Circuits for thickened oil heating system of oil well - Google Patents
Circuits for thickened oil heating system of oil well Download PDFInfo
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- CN102857125A CN102857125A CN2012102757553A CN201210275755A CN102857125A CN 102857125 A CN102857125 A CN 102857125A CN 2012102757553 A CN2012102757553 A CN 2012102757553A CN 201210275755 A CN201210275755 A CN 201210275755A CN 102857125 A CN102857125 A CN 102857125A
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Abstract
The invention relates to single-phase, two-phase, three-phase and multi-phase symmetrical-peak dual-voltage rectifying basic circuits and particularly relates to application on a thickened oil heating system of an oil well. On the basis of single-phase, two-phase and three-phase rectifying output circuits, a capacitor is connected by a new method, peak symmetry and dual-voltage rectification are achieved, positive electric potential and negative electric potential are switched on through switching elements, no isolation transformer is required to be added, a sucker rod is heated, the heat production efficiency is improved, resources and energy are saved, and circuits can be used commonly in a single phase and multiple phases.
Description
Technical field
The present invention relates to relate to single-phase, two-phase, three-phase, heterogeneous peak value symmetry, the tandem circuit of voltage multiplying rectifier, relate in particular to a kind of circuit for heating oil well viscous crude system.
Background technology
Existing for oil well, because temperature is lower at the bottom of ground, oil ratio is than thickness, be difficult for gathering, need to the viscous crude at the end, ground easily be flowed oil by heating up, and the circuit of existing heating viscous crude system need to adopt isolating transformer to come circuit is carried out rectification, waste resource and the energy, and can not jointly use between single-phase and heterogeneous.
Summary of the invention
In view of this, be necessary to provide a kind of and economize on resources, the energy, between single-phase and multinomial, can jointly use, and the energy-conservation circuit that is used for heating oil well viscous crude system.
The present invention realizes like this, a kind of circuit for heating oil well viscous crude system, comprise three groups of diodes, coil U1, coil U2, coil U3, switching tube M1, switching tube M2, capacitor C 1, capacitor C 2 and load R, in described three groups of diodes, first group of diode comprises diode D1, diode D2, the negative pole of described diode D2 connects the positive pole of described diode D1, second group of diode comprises diode D3, diode D4, the negative pole of described diode D4 connects the positive pole of described diode D3, comprise diode D5 in the 3rd group of diode, diode D6, the negative pole of described diode D6 connects the positive pole of described diode D5, described diode D1, diode D3, the collector electrode of the equal connecting valve pipe of the negative pole of diode D5 M1 and the positive pole of capacitor C 1, the emitter of described switching tube M1 connects the collector electrode of described switching tube M2 and the end of load R, the other end ground connection of described load R, the emitter of described switching tube M2 and described diode D2, diode D4, the positive pole of diode D6 all connects the negative pole of described capacitor C 2, the negative pole of described capacitor C 1, anodal all ground connection of capacitor C 2, described coil U1, coil U2, coil U3, the equal ground connection of an end, the other end of described coil U1 connects the positive pole of described diode D1 and the negative pole of diode D2 simultaneously by switch S 1, the other end of described coil U2 connects the positive pole of described diode D3 and the negative pole of diode D4 simultaneously by switch S 2, and the other end of described coil U3 connects the positive pole of diode D5 and the negative pole of diode D6 simultaneously by switch S 3.
Further, obtain after the rectification through single-phase or two-phase or three-phase
Positive voltage,
Negative voltage, the tandem circuit of no-voltage, the direct voltage of exporting after the rectification is
Positive voltage to zero line or
Negative voltage to zero line, be higher than the 2.34V after the three-phase bridge rectification.
Further, described circuit for heating oil well viscous crude system comprises two loops, positive half cycle loop is got back to N at zero point through the emitter of switching tube M1 to load R, negative half period by zero point N through load R, the negative pole of getting back to capacitor C 2 through switching tube M2 again carries out frequency conversion and pressure regulation.
The advantage of the circuit for heating oil well viscous crude system provided by the invention is: on the basis of rectified three-phase circuit, adopt new mode to access capacitor, need not to add isolating transformer, economize on resources, the energy, can jointly use between single-phase and multinomial.
When using single-phase rectifier, only need to stay coil U1, other incoherent components and parts all can save, and economize on resources Decrease production cost.
By the present invention, before the rectification, exchanging end can input single-phase, two-phase or three-phase electricity, and the magnitude of voltage of the DC power supply of output keeps in certain scope, and this kind wiring rectifier system is the symmetrical rectification of peak value multiplication of voltage, by suitable signal instruction control, the electricity that makes major loop export multiple hybrid frequency is powered to sucker rod, produces heat, improves the efficiency of heating surface, the viscous crude temperature is raise, be convenient to recover the oil.
By the circuit for heating oil well viscous crude system of the present invention, to high or low power, single-phase, two-phase or three-phase alternating-current supply conveniently carry out peak value symmetry, voltage multiplying rectifier output multiple voltage.
By the circuit for heating oil well viscous crude system of the present invention, be used for the sucker rod heating, need not transformer, the mixing mode is powered, and increases transmission distance, improves the efficiency of heating surface and energy-conservation.
By the circuit for heating oil well viscous crude system of the present invention, during the power supply major loop that forms has, positive and negative three kinds of current potentials output, reduced each element withstand voltage degree in use, behind the built-up circuit, reduce one times in use electronic component, and greatly improved the waveform of frequency conversion type.
By the circuit for heating oil well viscous crude system of the present invention, in the situation that need not isolating transformer, zero potential voltage is zero, the one ground formula power supply of an available line.
By the circuit for heating oil well viscous crude system of the present invention, the essentially identical voltage of output voltage with obtaining behind the single-phase rated voltage input rectifying inputting with two-phase or three-phase alternating current has overcome the deficiency that causes because of the phase shortage problem.
Description of drawings
Fig. 1 is the circuit diagram that the present invention is used for the circuit of heating oil well viscous crude system.
The circuit diagram of the tandem circuit that is used for peak value symmetry, voltage multiplying rectifier when Fig. 2 is the input single supply.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
See also Fig. 1, Fig. 1 is the circuit diagram that the present invention is used for the circuit of heating oil well viscous crude system.
Described circuit for heating oil well viscous crude system, comprise three groups of diodes, coil U1, coil U2, coil U3, switching tube M1, switching tube M2, capacitor C 1, capacitor C 2 and load R, in described three groups of diodes, first group of diode comprises diode D1, diode D2, the negative pole of described diode D2 connects the positive pole of described diode D1, second group of diode comprises diode D3, diode D4, the negative pole of described diode D4 connects the positive pole of described diode D3, comprise diode D5 in the 3rd group of diode, diode D6, the negative pole of described diode D6 connects the positive pole of described diode D5, described diode D1, diode D3, the collector electrode of the equal connecting valve pipe of the negative pole of diode D5 M1 and the positive pole of capacitor C 1, the emitter of described switching tube M1 connects the collector electrode of described switching tube M2 and the end of load R, the other end ground connection of described load R, the emitter of described switching tube M2 and described diode D2, diode D4, the positive pole of diode D6 all connects the negative pole of described capacitor C 2, the negative pole of described capacitor C 1, anodal all ground connection of capacitor C 2, described coil U1, coil U2, coil U3, the equal ground connection of an end, the other end of described coil U1 connects the positive pole of described diode D1 and the negative pole of diode D2 simultaneously by switch S 1, the other end of described coil U2 connects the positive pole of described diode D3 and the negative pole of diode D4 simultaneously by switch S 2, and the other end of described coil U3 connects the positive pole of diode D5 and the negative pole of diode D6 simultaneously by switch S 3.
Obtain after the rectification through single-phase or two-phase or three-phase
Positive voltage,
Negative voltage, the tandem circuit of no-voltage, the direct voltage of exporting after the rectification is
Positive voltage to zero line or
Negative voltage to zero line, be higher than the 2.34V after the three-phase bridge rectification.
Described circuit for heating oil well viscous crude system comprises two loops, positive half cycle loop is got back to N at zero point through the emitter of switching tube M1 to load R, negative half period by zero point N through load R, the negative pole of getting back to capacitor C 2 through switching tube M2 again carries out frequency conversion and pressure regulation, in the quantity that increases element, exportable heterogeneous frequency conversion uses the use amount of the electronic devices and components in this loop can save half, and the operating voltage of element reduces.
At the external output wiring terminal 1 of the emitter of described switching tube M1, described zero point, N was the terminal of loop external load R, had guaranteed the zero potential of N at zero point, so do not having can Direct Conversion output in the isolating transformer situation.
See also Fig. 2, the circuit diagram of the tandem circuit that is used for peak value symmetry, voltage multiplying rectifier when Fig. 2 is the input single supply.
At single power supply, behind over commutation, can obtain the voltage of Symmetrical, can reduce the number of turn of power transformer, tapped winding mode in the middle of need not.
In sum: on the basis of rectified three-phase circuit, adopt new mode to access capacitor, need not to add isolating transformer, economize on resources, the energy, the convenient switching between single-phase and multinomial.
At single power supply, behind over commutation, can obtain the voltage of Symmetrical, can reduce the number of turn of power transformer, tapped winding mode in the middle of need not.
By the present invention, no matter interchange holds input single-phase, two-phase or three-phase electricity, the magnitude of voltage of the DC power supply of output keeps in certain scope, this kind wiring rectifier system is the symmetrical voltage multiplying rectifier of peak value, by specific signal instruction control, the electricity of major loop output multi-frequency is powered to sucker rod, produce heat, the viscous crude temperature is raise, be convenient to recover the oil.
By the circuit for heating oil well viscous crude system of the present invention, to high or low power, single-phase, two-phase or three-phase alternating-current supply conveniently carry out symmetry, multiplication of voltage peak value rectification output multiple voltage.
By the circuit for heating oil well viscous crude system of the present invention, be used for the sucker rod heating, need not the isolating transformer mode and power, increase transmission distance, improve the efficiency of heating surface and energy-saving effect remarkable.
By the circuit for heating oil well viscous crude system of the present invention, the load of formation and major loop have zero, positive and negative three kinds of current potentials, behind the built-up circuit, have reduced one times in use electronic component.
By the circuit for heating oil well viscous crude system of the present invention, in the situation that need not isolating transformer, zero potential voltage is zero, the one ground formula power supply of available two wires.
By the circuit for heating oil well viscous crude system of the present invention, the essentially identical voltage of output voltage with obtaining behind the single-phase rated voltage input rectifying inputting with two-phase or three-phase alternating current has overcome the deficiency that causes because of the phase shortage problem.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. circuit that is used for heating oil well viscous crude system, comprise three groups of diodes, coil U1, coil U2, coil U3, switching tube M1, switching tube M2, capacitor C 1, capacitor C 2 and load R, it is characterized in that, in described three groups of diodes, first group of diode comprises diode D1, diode D2, the negative pole of described diode D2 connects the positive pole of described diode D1, second group of diode comprises diode D3, diode D4, the negative pole of described diode D4 connects the positive pole of described diode D3, comprise diode D5 in the 3rd group of diode, diode D6, the negative pole of described diode D6 connects the positive pole of described diode D5, described diode D1, diode D3, the collector electrode of the equal connecting valve pipe of the negative pole of diode D5 M1 and the positive pole of capacitor C 1, the emitter of described switching tube M1 connects the collector electrode of described switching tube M2 and the end of load R, the other end ground connection of described load R, the emitter of described switching tube M2 and described diode D2, diode D4, the positive pole of diode D6 all connects the negative pole of described capacitor C 2, the negative pole of described capacitor C 1, anodal all ground connection of capacitor C 2, described coil U1, coil U2, coil U3, the equal ground connection of an end, the other end of described coil U1 connects the positive pole of described diode D1 and the negative pole of diode D2 simultaneously by switch S 1, the other end of described coil U2 connects the positive pole of described diode D3 and the negative pole of diode D4 simultaneously by switch S 2, and the other end of described coil U3 connects the positive pole of diode D5 and the negative pole of diode D6 simultaneously by switch S 3.
2. the circuit for heating oil well viscous crude system according to claim 1 is characterized in that, obtains after the rectification through single-phase or two-phase or three-phase
Positive voltage,
Negative voltage, the tandem circuit of no-voltage, the direct voltage of exporting after the rectification is
Positive voltage to zero line or
Negative voltage to zero line, be higher than the 2.34V after the three-phase bridge rectification.
3. the circuit for heating oil well viscous crude system according to claim 2, it is characterized in that, described circuit for heating oil well viscous crude system comprises two loops, positive half cycle loop is got back to N at zero point through the emitter of switching tube M1 to load R, negative half period by zero point N through load R, the negative pole of getting back to capacitor C 2 through switching tube M2 again carries out frequency conversion and pressure regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102757553A CN102857125A (en) | 2012-08-03 | 2012-08-03 | Circuits for thickened oil heating system of oil well |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102757553A CN102857125A (en) | 2012-08-03 | 2012-08-03 | Circuits for thickened oil heating system of oil well |
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| CN102857125A true CN102857125A (en) | 2013-01-02 |
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| CN2012102757553A Pending CN102857125A (en) | 2012-08-03 | 2012-08-03 | Circuits for thickened oil heating system of oil well |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1701500A (en) * | 2003-07-15 | 2005-11-23 | 三菱电机株式会社 | Three-phase power converter and power converter |
| CN101483393A (en) * | 2009-02-16 | 2009-07-15 | 西安机电研究所 | Variable electricity supply apparatus for core induction furnace |
| US20110013440A1 (en) * | 2008-03-14 | 2011-01-20 | Daikin Industries, Ltd. | Rectifier circuit |
| CN201937489U (en) * | 2011-03-24 | 2011-08-17 | 成都英格瑞德电气有限公司 | Three-phase and single-phase compatible correction rectifying circuit |
| CN102593945A (en) * | 2012-02-20 | 2012-07-18 | 华为技术有限公司 | Uninterruptible power supply circuit |
-
2012
- 2012-08-03 CN CN2012102757553A patent/CN102857125A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1701500A (en) * | 2003-07-15 | 2005-11-23 | 三菱电机株式会社 | Three-phase power converter and power converter |
| US20110013440A1 (en) * | 2008-03-14 | 2011-01-20 | Daikin Industries, Ltd. | Rectifier circuit |
| CN101483393A (en) * | 2009-02-16 | 2009-07-15 | 西安机电研究所 | Variable electricity supply apparatus for core induction furnace |
| CN201937489U (en) * | 2011-03-24 | 2011-08-17 | 成都英格瑞德电气有限公司 | Three-phase and single-phase compatible correction rectifying circuit |
| CN102593945A (en) * | 2012-02-20 | 2012-07-18 | 华为技术有限公司 | Uninterruptible power supply circuit |
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Application publication date: 20130102 |