CN103353781A - Intelligent voltage-stabilizing electromagnetic eddy current brake driller switch controller - Google Patents
Intelligent voltage-stabilizing electromagnetic eddy current brake driller switch controller Download PDFInfo
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- CN103353781A CN103353781A CN2013103021880A CN201310302188A CN103353781A CN 103353781 A CN103353781 A CN 103353781A CN 2013103021880 A CN2013103021880 A CN 2013103021880A CN 201310302188 A CN201310302188 A CN 201310302188A CN 103353781 A CN103353781 A CN 103353781A
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Abstract
The invention discloses an intelligent voltage-stabilizing electromagnetic eddy current brake driller switch controller which is provided with a casing, a handle shaft and an operation handle. A locating frame provided with a magnetic signal generator is positioned on the handle shaft, a hall sensor is arranged on the handle shaft at the position corresponding to the locating frame, a circuit board with a voltage modulation circuit is installed at the lower portion in the casing, the hall sensor and the voltage modulation circuit are in signal connection, and a wiring terminal is arranged to enable voltage modulation signals output by the voltage modulation circuit to be in signal transmission connection with a brake control cabinet. The voltage modulation circuit is provided with a switch power circuit, a hall sensor circuit, a time base oscillating signal generator circuit, a signal difference comparator amplifier circuit, an MOS tube driving circuit and an MOS tube switch circuit which are sequentially and electrically connected. The voltage modulation circuit is further provided with a voltage sampling negative feedback circuit and a load protection circuit. The intelligent voltage-stabilizing electromagnetic eddy current brake driller switch controller is applied to a driller switch of a petroleum drilling machine, accurate in control, safe and capable of saving electricity.
Description
Technical field:
The present invention relates to a kind of oil-well drilling equipment technology, a kind of Boring switch controller of oil-well rig specifically, a kind of Intellight voltage-stabilizing accurately the petroleum drilling of control with electromagnetic eddy current brake Boring switch controller.
Background technology:
At present, realize with the Boring switch that the control of electromagnetic eddy current brake mainly is mounted on driller's operator's console for drilling well.At present the Boring switch at the supporting electromagnetic eddy current brake of rig of usefulness adopts the adjustable transformer in iron core position to realize more, by adjusting the iron core position Boring switch output voltage is changed in 0～18V scope.We find in actual production process, externally output voltage is affected by mains fluctuations often, and because this control device is to utilize the sliding friction of cam and push rod to realize moving the position adjustments of iron core, the requirement that external output voltage does not reach absolute 0～18V, it is all very difficult below the 0.5V that no-load voltage reaches, 18V output voltage often deviation is larger, and can not auto-control, sometimes even far away be higher than in actual use 25V, very easily cause switch board internal trigger circuit board to burn fault, and assemble and debug very trouble.Along with the wearing and tearing of cam mechanism, the unloaded output voltage of Boring switch also can change thereupon in actual application, causes the normal phase of electromagnetic eddy current brake to be in little current work state, not only wastes energy, shortens equipment life but also affect normal drilling well work.Therefore, it is more reasonable that urgent need will propose a kind of structure, the better novel Boring switch controller of function.
Summary of the invention:
The present invention is the deficiency that overcomes existing Boring switch controller, a kind of Intellight voltage-stabilizing electromagnetic eddy current brake Boring switch controller is provided, this on-off controller is based on Hall sensor element, merge switch power technology, pure digi-tal precise voltage control circuit, make the Boring switch controller reach stable output voltage in 0～18V scope, but and the control requirement of fine adjustment control.
For achieving the above object, the technical solution adopted for the present invention to solve the technical problems is:
Intellight voltage-stabilizing electromagnetic eddy current brake Boring switch controller, be provided with shell, the top of this shell is provided with the Handle axis of a lateral direction penetrating, one end of this Handle axis stretches out shell, the external part of this handle is fixedly connected with an operating grip, it is characterized in that: the locating rack that is provided with a magnetic force signal generator, this locating rack passes and is fixed on the described operator arbor from the center, be provided with the magnetic force signal generator at this locating rack, be provided with a Hall element in the position relative with locating rack, bottom in the enclosure, circuit board with voltage modulation circuit has been installed, Hall element carries out signal with voltage modulation circuit and is connected, and is provided with connection terminal and the voltage modulation signal of the output of voltage modulation circuit and brake switch board are carried out the signal transmission is connected.
The present invention further improves and the additional project of enforcement is:
Described voltage modulation circuit is provided with the switching power circuit that sequentially is electrically connected; the Hall element circuit; the time-base oscillation signal generator circuit; signal differential comparison amplifier circuit; the metal-oxide-semiconductor driving circuit; the metal-oxide-semiconductor on-off circuit; also be provided with the voltage sample negative-feedback circuit; the input end of this negative-feedback circuit is electrically connected with described signal differential comparison amplifier circuit; its output terminal is electrically connected with described metal-oxide-semiconductor on-off circuit; and be provided with load protection circuit, the input end of this load protection circuit and described switching power circuit; the output terminal of metal-oxide-semiconductor on-off circuit and described connection terminal are electrically connected.
The transformer that described switch power supply route sequentially is electrically connected, full bridge rectifier, filtering circuit, LM7818 mu balanced circuit, LM7805 mu balanced circuit form; Described Hall element circuit is that the linear hall effect sensor by the A3515/A3516 wide temperature range, the filtering circuit that sequentially are electrically connected form; Described magnetic force signal generator adopts permanent magnet to make; Described time-base oscillation generator circuit is comprised of the NE555 time-base oscillation generator, RC oscillatory circuit, the signal output apparatus that sequentially are electrically connected; Described signal differential comparison amplifier circuit is by LM339 No. four differential comparators that sequentially are electrically connected, difference subtraction amplifier circuit, reverse input operational amplifier the electric circuit constitute; The metal-oxide-semiconductor driving circuit is comprised of 8050M triode, biasing circuit; The metal-oxide-semiconductor on-off circuit is comprised of IRFS351MOS pipe, biasing circuit, schottky diode output stage holding circuit; The voltage sample negative-feedback circuit is comprised of the sampling resistor, capacitor, the backward difference operational amplifier that sequentially are electrically connected; Load protection circuit is comprised of the diode that sequentially is electrically connected.
Power supply is 220V or 110V alternating current, is modulated into the voltage of 5V, two kinds of electric pressures of 18V through switching power supply, is the voltage modulation circuit power supply; When the operation Boring switch, handle rotates in 90 degree angular regions downwards, the magnetic force signal generator that drives on magnetic force signal generator locating rack and the locating rack rotates thereupon, the diverse location of magnetic force signal generator in rotary course, magnetic flux by Hall element changes, through the Hall element electric circuit inspection and change into the linear electric signal of 0.2～4.8V, this electric signal provides to the signal differential comparator circuit become to have the square-wave signal of certain frequency through time-base oscillation signal generator circuit modulation treatment after, signal input part and the reference signal of the reverse input operational amplifier of input compare after the negative feedback voltage signal stack after amplifying by the backward difference operational amplifier with the output terminal negative-feedback signal simultaneously, and after differential signal amplified by two-stage signal the output square-wave signal to the metal-oxide-semiconductor driving circuit, make the metal-oxide-semiconductor driving circuit send conducting and the judgement state of control signal control metal-oxide-semiconductor N shape raceway groove to the metal-oxide-semiconductor grid, the realization voltage modulation circuit is the accurate linear voltage conditioning signal of output 0～18V externally, and this regulated voltage signal is given the brake switch board through connection terminal and carried out signal transmission connection; Be to adapt to different loads, the reverse voltage of inductive load feedback discharges when the load protection circuit of the signal end parallel connection of output voltage weakens output voltage signal by parallel diode, realizes safeguard protection is carried out in load that output terminal connects.
The invention has the beneficial effects as follows, carry out brand-new design by the circuit to Boring switch, making the Boring switch controller reach output no-load voltage is absolute 0V, and effect is accurately controlled in normal working voltage digitizing in 0～18V scope.The present invention makes production run substantially accomplish the acyclic homologically trioial examination, has greatly shortened workman's debug time, has reduced direct labor's labour intensity, has improved production efficiency.Solved the problem that normal phase band in the on-the-spot use procedure of electromagnetic eddy current brake carries work, extension device life-span and maintenance, time between overhaul, on-the-spot use safer, reach energy-saving and cost-reducing purpose, significantly improve economic benefit.
Description of drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of voltage modulation circuit of the present invention.
Profile of the present invention is not subjected to the restriction of this figure,
The change of shape also belongs to the protection domain of this patent.
Embodiment
The present invention is further described below in conjunction with drawings and Examples, embodiment: referring to accompanying drawing, Intellight voltage-stabilizing electromagnetic eddy current brake Boring switch controller, be provided with shell 8,9, the top 8 of this shell is provided with the Handle axis 2 of a lateral direction penetrating, one end of this Handle axis stretches out shell, the external part of this handle is fixedly connected with an operating grip 1, be provided with the locating rack 3 of a magnetic force signal generator, this locating rack passes and is fixed on the described operator arbor from the center, be provided with magnetic force signal generator 4 at this locating rack, be provided with a Hall element 5 in the position relative with locating rack, in the bottom 9 of shell, circuit board 6 with voltage modulation circuit has been installed, Hall element carries out signal with voltage modulation circuit and is connected, and is provided with connection terminal 7 and the voltage modulation signal of the output of voltage modulation circuit and brake switch board are carried out the signal transmission is connected.
Described voltage modulation circuit is provided with the switching power circuit that sequentially is electrically connected; the Hall element circuit; the time-base oscillation signal generator circuit; signal differential comparison amplifier circuit; the metal-oxide-semiconductor driving circuit; the metal-oxide-semiconductor on-off circuit; also be provided with the voltage sample negative-feedback circuit; the input end of this negative-feedback circuit is electrically connected with described signal differential comparison amplifier circuit; its output terminal is electrically connected with described metal-oxide-semiconductor on-off circuit; and be provided with load protection circuit, the input end of this load protection circuit and described switching power circuit; the output terminal of metal-oxide-semiconductor on-off circuit and described connection terminal are electrically connected.
The transformer that described switch power supply route sequentially is electrically connected, full bridge rectifier, filtering circuit, LM7818 mu balanced circuit, LM7805 mu balanced circuit form; Described Hall element circuit is that the linear hall effect sensor by the A3515/A3516 wide temperature range, the filtering circuit that sequentially are electrically connected form; Described magnetic force signal generator adopts permanent magnet to make; Described time-base oscillation generator circuit is comprised of the NE555 time-base oscillation generator, RC oscillatory circuit, the signal output apparatus that sequentially are electrically connected; Described signal differential comparison amplifier circuit is by LM339 No. four differential comparators that sequentially are electrically connected, difference subtraction amplifier circuit, reverse input operational amplifier the electric circuit constitute; The metal-oxide-semiconductor driving circuit is comprised of 8050M triode, biasing circuit; The metal-oxide-semiconductor on-off circuit is comprised of IRFS351MOS pipe, biasing circuit, schottky diode output stage holding circuit; The voltage sample negative-feedback circuit is comprised of the sampling resistor, capacitor, the backward difference operational amplifier that sequentially are electrically connected; Load protection circuit is comprised of the diode that sequentially is electrically connected.
Power supply is 220V or 110V alternating current, is modulated into the voltage of 5V, two kinds of electric pressures of 18V through switching power supply, is the voltage modulation circuit power supply; When the operation Boring switch, handle rotates in 90 degree angular regions downwards, the magnetic force signal generator that drives on magnetic force signal generator locating rack and the locating rack rotates thereupon, the diverse location of magnetic force signal generator in rotary course, magnetic flux by Hall element changes, through the Hall element electric circuit inspection and change into the linear electric signal of 0.2～4.8V, this electric signal provides to the signal differential comparator circuit become to have the square-wave signal of certain frequency through time-base oscillation signal generator circuit modulation treatment after, signal input part and the reference signal of the reverse input operational amplifier of input compare after the negative feedback voltage signal stack after amplifying by the backward difference operational amplifier with the output terminal negative-feedback signal simultaneously, and after differential signal amplified by two-stage signal the output square-wave signal to the metal-oxide-semiconductor driving circuit, make the metal-oxide-semiconductor driving circuit send conducting and the judgement state of control signal control metal-oxide-semiconductor N shape raceway groove to the metal-oxide-semiconductor grid, the realization voltage modulation circuit is the accurate linear voltage conditioning signal of output 0～18V externally, and this regulated voltage signal is given the brake switch board through connection terminal and carried out signal transmission connection; Be to adapt to different loads, the reverse voltage of inductive load feedback discharges when the load protection circuit of the signal end parallel connection of output voltage weakens output voltage signal by parallel diode, realizes safeguard protection is carried out in load that output terminal connects.
Patent of the present invention is manufactured experimently out 2 through reality, and is on probation respectively through Bohai Sea probing 50553 drilling teams of company and 40505 drilling team scenes, controls respond wellly, and the field measurement data are as follows:
The actual measurement maximum output voltage
Survey unloaded output voltage
Through field measurement, the present invention can realize that zero load is output as 0V when the operating grip inoperation, when operating grip is rotated down to 90 ° of angles, maximum output voltage 18V ± 0.5%, the output voltage that meets design requirement can linear adjustable accurate control requirement in 0～18V scope.
For those skilled in the art, under the prerequisite that does not break away from patent principle of the present invention, can also make some improvement and change, these improvement and change also should be considered as the protection domain of this patent.
Claims (3)
1. Intellight voltage-stabilizing electromagnetic eddy current brake Boring switch controller, be provided with shell (8,9), the top of this shell (8) is provided with the Handle axis (2) of a lateral direction penetrating, one end of this Handle axis stretches out shell, the external part of this handle is fixedly connected with an operating grip (1), it is characterized in that: the locating rack (3) that is provided with a magnetic force signal generator, this locating rack passes and is fixed on the described operator arbor from the center, be provided with magnetic force signal generator (4) at this locating rack, be provided with a Hall element (5) in the position relative with locating rack, bottom in the enclosure (9), circuit board (6) with voltage modulation circuit has been installed, Hall element carries out signal with voltage modulation circuit and is connected, and is provided with connection terminal (7) and the voltage modulation signal of the output of voltage modulation circuit and brake switch board are carried out the signal transmission is connected.
2. Intellight voltage-stabilizing electromagnetic eddy current brake Boring switch controller according to claim 1; it is characterized in that: described voltage modulation circuit is provided with the switching power circuit that sequentially is electrically connected; the Hall element circuit; the time-base oscillation signal generator circuit; signal differential comparison amplifier circuit; the metal-oxide-semiconductor driving circuit; the metal-oxide-semiconductor on-off circuit; also be provided with the voltage sample negative-feedback circuit; the input end of this negative-feedback circuit is electrically connected with described signal differential comparison amplifier circuit; its output terminal is electrically connected with described metal-oxide-semiconductor on-off circuit; and be provided with load protection circuit, the input end of this load protection circuit and described switching power circuit; the output terminal of metal-oxide-semiconductor on-off circuit and described connection terminal are electrically connected.
3. Intellight voltage-stabilizing electromagnetic eddy current brake Boring switch controller according to claim 2 is characterized in that: the transformer that described switch power supply route sequentially is electrically connected, full bridge rectifier, filtering circuit, LM7818 mu balanced circuit, LM7805 mu balanced circuit composition; Described Hall element circuit is that the linear hall effect sensor by the A3515/A3516 wide temperature range, the filtering circuit that sequentially are electrically connected form; Described magnetic force signal generator adopts permanent magnet to make; Described time-base oscillation generator circuit is comprised of the NE555 time-base oscillation generator, RC oscillatory circuit, the signal output apparatus that sequentially are electrically connected; Described signal differential comparison amplifier circuit is by LM339 No. four differential comparators that sequentially are electrically connected, difference subtraction amplifier circuit, reverse input operational amplifier the electric circuit constitute; The metal-oxide-semiconductor driving circuit is comprised of 8050M triode, biasing circuit; The metal-oxide-semiconductor on-off circuit is comprised of IRFS351MOS pipe, biasing circuit, schottky diode output stage holding circuit; The voltage sample negative-feedback circuit is comprised of the sampling resistor, capacitor, the backward difference operational amplifier that sequentially are electrically connected; Load protection circuit is comprised of the diode that sequentially is electrically connected.
Power supply is 220V or 110V alternating current, is modulated into the voltage of 5V, two kinds of electric pressures of 18V through switching power supply, is the voltage modulation circuit power supply; When the operation Boring switch, handle rotates in an angle of 90 degrees scope downwards, the magnetic force signal generator that drives on magnetic force signal generator locating rack and the locating rack rotates thereupon, the diverse location of magnetic force signal generator in rotary course, magnetic flux by Hall element changes, through the Hall element electric circuit inspection and change into the linear electric signal of 0.2～4.8V, this electric signal provides to the signal differential comparator circuit become to have the square-wave signal of certain frequency through time-base oscillation signal generator circuit modulation treatment after, signal input part and the reference signal of the reverse input operational amplifier of input compare after the negative feedback voltage signal stack after amplifying by the backward difference operational amplifier with the output terminal negative-feedback signal simultaneously, and after differential signal amplified by two-stage signal the output square-wave signal to the metal-oxide-semiconductor driving circuit, make the metal-oxide-semiconductor driving circuit send conducting and the judgement state of control signal control metal-oxide-semiconductor N shape raceway groove to the metal-oxide-semiconductor grid, the realization voltage modulation circuit is the accurate linear voltage conditioning signal of output 0～18V externally, and this regulated voltage signal is given the brake switch board through connection terminal and carried out signal transmission connection; Be to adapt to different loads, the reverse voltage of inductive load feedback discharges when the load protection circuit of the signal end parallel connection of output voltage weakens output voltage signal by parallel diode, realizes safeguard protection is carried out in load that output terminal connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310302188.0A CN103353781B (en) | 2013-07-18 | 2013-07-18 | Intelligent voltage-stabilizing electromagnetic eddy current brake driller switch controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310302188.0A CN103353781B (en) | 2013-07-18 | 2013-07-18 | Intelligent voltage-stabilizing electromagnetic eddy current brake driller switch controller |
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| Publication Number | Publication Date |
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| CN103353781A true CN103353781A (en) | 2013-10-16 |
| CN103353781B CN103353781B (en) | 2014-12-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001003987A1 (en) * | 1999-07-09 | 2001-01-18 | Kelsey-Hayes Company | Modulated voltage for a solenoid valve |
| US7480157B1 (en) * | 2007-11-19 | 2009-01-20 | Zippy Technology Corp. | Power architecture for providing voltage modulation power |
| CN101592925A (en) * | 2009-06-23 | 2009-12-02 | 中国海洋石油总公司 | A kind of sea pierces the control method that riser pipe under the method is rationally gone into the mud degree of depth |
| CN102140914A (en) * | 2010-01-28 | 2011-08-03 | 刘敏 | Underground debris sampler |
| CN203490477U (en) * | 2013-07-18 | 2014-03-19 | 中国石油集团渤海石油装备制造有限公司 | Intelligent voltage stabilizing electromagnetic eddy current brake driller switch controller |
-
2013
- 2013-07-18 CN CN201310302188.0A patent/CN103353781B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001003987A1 (en) * | 1999-07-09 | 2001-01-18 | Kelsey-Hayes Company | Modulated voltage for a solenoid valve |
| US7480157B1 (en) * | 2007-11-19 | 2009-01-20 | Zippy Technology Corp. | Power architecture for providing voltage modulation power |
| CN101592925A (en) * | 2009-06-23 | 2009-12-02 | 中国海洋石油总公司 | A kind of sea pierces the control method that riser pipe under the method is rationally gone into the mud degree of depth |
| CN102140914A (en) * | 2010-01-28 | 2011-08-03 | 刘敏 | Underground debris sampler |
| CN203490477U (en) * | 2013-07-18 | 2014-03-19 | 中国石油集团渤海石油装备制造有限公司 | Intelligent voltage stabilizing electromagnetic eddy current brake driller switch controller |
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| CN103353781B (en) | 2014-12-10 |
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