CN103353781B - 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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- CN103353781B CN103353781B CN201310302188.0A CN201310302188A CN103353781B CN 103353781 B CN103353781 B CN 103353781B CN 201310302188 A CN201310302188 A CN 201310302188A CN 103353781 B CN103353781 B CN 103353781B
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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, specifically a kind of Boring switch controller of oil-well rig, electromagnetic eddy current brake Boring switch controller for the petroleum drilling that a kind of Intellight voltage-stabilizing is accurately controlled.
Background technology:
At present, realize with the Boring switch that the control of electromagnetic eddy current brake is mainly mounted on driller's operator's console for drilling well.The Boring switch of the current supporting electromagnetic eddy current brake of rig in use adopts the adjustable transformer in iron core position to realize more, by adjusting iron core position, Boring switch output voltage is changed within the scope of 0～18V.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 the position adjustments to moving iron core, the requirement that externally output voltage does not reach absolute 0～18V, it is all very difficult below that no-load voltage reaches 0.5V, 18V output voltage often deviation is larger, and can not auto-control, in actual use sometimes even far away higher than 25V, very easily cause switch board internal trigger circuit board to burn fault, and assembling and very trouble of debugging.In actual application, along with the wearing and tearing of cam mechanism, the unloaded output voltage of Boring switch also can change thereupon, causes the normal phase of electromagnetic eddy current brake 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 Boring switch controller reach stable output voltage within the scope of 0～18V, and control requirement that can 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, shell is stretched out in one end of this Handle axis, 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 described operator arbor from center, on this locating rack, be provided with magnetic force signal generator, on the position relative with locating rack, be provided with a Hall element, bottom in the enclosure, the circuit board with voltage modulation circuit has been installed, Hall element carries out signal with voltage modulation circuit and is connected, being provided with connection terminal carries out signal transmission by the voltage modulation signal of the output of voltage modulation circuit and brake switch board and is connected.
The present invention further improves and the additional project of enforcement is:
Described voltage modulation circuit is provided with the sequentially switching power circuit of electrical connection, Hall element circuit, time-base oscillation signal generator circuit, signal differential comparison amplifier circuit, metal-oxide-semiconductor driving circuit, metal-oxide-semiconductor on-off circuit, also be provided with 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.
Transformer, full bridge rectifier, filtering circuit, LM7818 mu balanced circuit, LM7805 mu balanced circuit composition that described switch power supply route is sequentially electrically connected; Described Hall element circuit is that the linear hall effect sensor by A3515/A3516 wide temperature range, the filtering circuit that are sequentially electrically connected form; Described magnetic force signal generator adopts permanent magnet to make; Described time-base oscillation generator circuit is made up of the NE555 time-base oscillation generator, RC oscillatory circuit, the signal output apparatus that are sequentially electrically connected; Described signal differential comparison amplifier circuit is by LM339 No. tetra-differential comparators that are sequentially electrically connected, difference subtraction amplifier circuit, reverse input operational amplifier the electric circuit constitute; Metal-oxide-semiconductor driving circuit is made up of 8050M triode, biasing circuit; Metal-oxide-semiconductor on-off circuit is made up of IRFS351MOS pipe, biasing circuit, schottky diode output stage holding circuit; Voltage sample negative-feedback circuit is made up of the sampling resistor being sequentially electrically connected, capacitor, backward difference operational amplifier; Load protection circuit is made up of the diode being sequentially 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 voltage modulation circuit power supply, in the time of operation Boring switch, handle rotates downwards in 90 degree angular regions, drive the magnetic force signal generator on magnetic force signal generator locating rack and locating rack to rotate thereupon, the diverse location of magnetic force signal generator in rotary course, magnetic flux by Hall element changes, through Hall element electric circuit inspection and change into the linear electric signal of 0.2～4.8V, after the square-wave signal that this electric signal becomes to have certain frequency through time-base oscillation signal generator circuit modulation treatment, provide to signal differential comparator circuit, after negative feedback voltage signal stack after simultaneously amplifying by backward difference operational amplifier with output terminal negative-feedback signal, signal input part and the reference signal of the reverse input operational amplifier of input compare, and after being amplified by two-stage signal, differential signal exports square-wave signal to metal-oxide-semiconductor driving circuit, make metal-oxide-semiconductor driving circuit send conducting and the judgement state of control signal control metal-oxide-semiconductor N shape raceway groove to metal-oxide-semiconductor grid, realize the externally accurate linear voltage conditioning signal of output 0～18V of voltage modulation circuit, this regulated voltage signal is given brake switch board through connection terminal and is carried out signal transmission connection, for adapting to different loads, in the time that the load protection circuit of the signal end parallel connection of output voltage weakens output voltage signal by parallel diode, the reverse voltage of inductive load feedback discharges, and realizes load that output terminal connects is carried out to safeguard protection.
The invention has the beneficial effects as follows, by the circuit of Boring switch is carried out to brand-new design, making Boring switch controller reach output no-load voltage is absolute 0V, and effect is accurately controlled in normal working voltage digitizing within the scope of 0～18V.The present invention makes production run substantially accomplish 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 object, significantly improve economic benefit.
Brief description of the 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 subject to the restriction of this figure,
the change of shape also belongs to the protection domain of this patent.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described, 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, shell is stretched out in one end of this Handle axis, 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 described operator arbor from center, on this locating rack, be provided with magnetic force signal generator 4, on the position relative with locating rack, be provided with a Hall element 5, in the bottom 9 of shell, the circuit board 6 with voltage modulation circuit has been installed, Hall element carries out signal with voltage modulation circuit and is connected, being provided with connection terminal 7 carries out signal transmission by the voltage modulation signal of the output of voltage modulation circuit and brake switch board and is connected.
Described voltage modulation circuit is provided with the sequentially switching power circuit of electrical connection, Hall element circuit, time-base oscillation signal generator circuit, signal differential comparison amplifier circuit, metal-oxide-semiconductor driving circuit, metal-oxide-semiconductor on-off circuit, also be provided with 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.
Transformer, full bridge rectifier, filtering circuit, LM7818 mu balanced circuit, LM7805 mu balanced circuit composition that described switch power supply route is sequentially electrically connected; Described Hall element circuit is that the linear hall effect sensor by A3515/A3516 wide temperature range, the filtering circuit that are sequentially electrically connected form; Described magnetic force signal generator adopts permanent magnet to make; Described time-base oscillation generator circuit is made up of the NE555 time-base oscillation generator, RC oscillatory circuit, the signal output apparatus that are sequentially electrically connected; Described signal differential comparison amplifier circuit is by LM339 No. tetra-differential comparators that are sequentially electrically connected, difference subtraction amplifier circuit, reverse input operational amplifier the electric circuit constitute; Metal-oxide-semiconductor driving circuit is made up of 8050M triode, biasing circuit; Metal-oxide-semiconductor on-off circuit is made up of IRFS351MOS pipe, biasing circuit, schottky diode output stage holding circuit; Voltage sample negative-feedback circuit is made up of the sampling resistor being sequentially electrically connected, capacitor, backward difference operational amplifier; Load protection circuit is made up of the diode being sequentially 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 voltage modulation circuit power supply, in the time of operation Boring switch, handle rotates downwards in 90 degree angular regions, drive the magnetic force signal generator on magnetic force signal generator locating rack and locating rack to rotate thereupon, the diverse location of magnetic force signal generator in rotary course, magnetic flux by Hall element changes, through Hall element electric circuit inspection and change into the linear electric signal of 0.2～4.8V, after the square-wave signal that this electric signal becomes to have certain frequency through time-base oscillation signal generator circuit modulation treatment, provide to signal differential comparator circuit, after negative feedback voltage signal stack after simultaneously amplifying by backward difference operational amplifier with output terminal negative-feedback signal, signal input part and the reference signal of the reverse input operational amplifier of input compare, and after being amplified by two-stage signal, differential signal exports square-wave signal to metal-oxide-semiconductor driving circuit, make metal-oxide-semiconductor driving circuit send conducting and the judgement state of control signal control metal-oxide-semiconductor N shape raceway groove to metal-oxide-semiconductor grid, realize the externally accurate linear voltage conditioning signal of output 0～18V of voltage modulation circuit, this regulated voltage signal is given brake switch board through connection terminal and is carried out signal transmission connection, for adapting to different loads, in the time that the load protection circuit of the signal end parallel connection of output voltage weakens output voltage signal by parallel diode, the reverse voltage of inductive load feedback discharges, and realizes load that output terminal connects is carried out to safeguard protection.
Patent of the present invention is manufactured experimently out 2 through reality, on probation respectively through Bohai Sea probing 50553 drilling teams of company and 40505 drilling team scenes, controls respond wellly, and field measurement data are as follows:
Actual measurement maximum output voltage
Survey unloaded output voltage
Through field measurement, the present invention can realize zero load in the time of operating grip inoperation and be output as 0V, when operating grip is rotated down to 90 ° of angles, maximum output voltage 18V ± 0.5%, the accurate control requirement that the output voltage that meets design requirement can be linear adjustable in 0～18V scope.
For those skilled in the art, not departing under the prerequisite of 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. an 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, shell is stretched out in one end of this Handle axis, 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 described operator arbor from center, on this locating rack, be provided with magnetic force signal generator (4), on the position relative with locating rack, be provided with a Hall element (5), bottom (9) in the enclosure, the circuit board (6) with voltage modulation circuit has been installed, Hall element carries out signal with voltage modulation circuit and is connected, being provided with connection terminal (7) carries out signal transmission by the voltage modulation signal of the output of voltage modulation circuit and brake switch board and 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 sequentially switching power circuit of electrical connection, Hall element circuit, time-base oscillation signal generator circuit, signal differential comparison amplifier circuit, metal-oxide-semiconductor driving circuit, metal-oxide-semiconductor on-off circuit, also be provided with 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: transformer, full bridge rectifier, filtering circuit, LM7818 mu balanced circuit, LM7805 mu balanced circuit composition that described switch power supply route is sequentially electrically connected; Described Hall element circuit is that the linear hall effect sensor by A3515/A3516 wide temperature range, the filtering circuit that are sequentially electrically connected form; Described magnetic force signal generator adopts permanent magnet to make; Described time-base oscillation generator circuit is made up of the NE555 time-base oscillation generator, RC oscillatory circuit, the signal output apparatus that are sequentially electrically connected; Described signal differential comparison amplifier circuit is by LM339 No. tetra-differential comparators that are sequentially electrically connected, difference subtraction amplifier circuit, reverse input operational amplifier the electric circuit constitute; Metal-oxide-semiconductor driving circuit is made up of 8050M triode, biasing circuit; Metal-oxide-semiconductor on-off circuit is made up of IRFS351MOS pipe, biasing circuit, schottky diode output stage holding circuit; Voltage sample negative-feedback circuit is made up of the sampling resistor being sequentially electrically connected, capacitor, backward difference operational amplifier; Load protection circuit is made up of the diode being sequentially 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 voltage modulation circuit power supply, in the time of operation Boring switch, handle rotates downwards within the scope of an angle of 90 degrees, drive the magnetic force signal generator on magnetic force signal generator locating rack and locating rack to rotate thereupon, the diverse location of magnetic force signal generator in rotary course, magnetic flux by Hall element changes, through Hall element electric circuit inspection and change into the linear electric signal of 0.2～4.8V, after the square-wave signal that this electric signal becomes to have certain frequency through time-base oscillation signal generator circuit modulation treatment, provide to signal differential comparator circuit, after negative feedback voltage signal stack after simultaneously amplifying by backward difference operational amplifier with output terminal negative-feedback signal, signal input part and the reference signal of the reverse input operational amplifier of input compare, and after being amplified by two-stage signal, differential signal exports square-wave signal to metal-oxide-semiconductor driving circuit, make metal-oxide-semiconductor driving circuit send conducting and the judgement state of control signal control metal-oxide-semiconductor N shape raceway groove to metal-oxide-semiconductor grid, realize the externally accurate linear voltage conditioning signal of output 0～18V of voltage modulation circuit, this regulated voltage signal is given brake switch board through connection terminal and is carried out signal transmission connection, for adapting to different loads, in the time that the load protection circuit of the signal end parallel connection of output voltage weakens output voltage signal by parallel diode, the reverse voltage of inductive load feedback discharges, and realizes load that output terminal connects is carried out to safeguard protection.
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 CN103353781A (en) | 2013-10-16 |
| CN103353781B true CN103353781B (en) | 2014-12-10 |
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| CN201310302188.0A Expired - Fee Related CN103353781B (en) | 2013-07-18 | 2013-07-18 | Intelligent voltage-stabilizing electromagnetic eddy current brake driller switch controller |
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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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| CN103353781A (en) | 2013-10-16 |
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Granted publication date: 20141210 Termination date: 20190718 |