CN104052433A - Novel pulse generator driving device used for wireless inclinometer - Google Patents
Novel pulse generator driving device used for wireless inclinometer Download PDFInfo
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- CN104052433A CN104052433A CN201410107122.0A CN201410107122A CN104052433A CN 104052433 A CN104052433 A CN 104052433A CN 201410107122 A CN201410107122 A CN 201410107122A CN 104052433 A CN104052433 A CN 104052433A
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- pulse generator
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Abstract
The invention discloses a novel pulse generator driving device used for a wireless inclinometer. The novel pulse generator driving device comprises a micro-control unit, and the signal input end of the micro-control unit is connected with the signal output end of a wireless measuring-while-drilling probe . The single output end of the micro-control unit is connected with a grid of a MOSFET, a drain and a source of the MOSFET are connected to a pulse generator coil power supply circuit in series, and the micro-control unit is further connected with a storage unit. The novel pulse generator driving device is simple and safe, and power consumption of a whole pulse generator can be adjusted by changing the high-frequency pulse duty ratio. An energy storage capacitor group in a traditional pulse generator driving device is eliminated in the novel pulse generator driving device, therefore, the explosion phenomenon of the energy storage device in the existing pulse generator driving device can be effectively avoided and the potential safety hazards are reduced; meanwhile, the working stability of the wireless pulse generator driving device can further be improved, and performance reduction caused by repeated charging and discharging of the energy storage capacitor group in the existing pulse generator driving device is avoided.
Description
Technical field
The present invention relates to drilling technology field, relate in particular to a kind of novel radio directional tool pulse generator drive unit.
Background technology
Wireless drilling inclinometers is the power set of whole wireless impulsator while drilling with pulse generator drive unit.Pulse generator drive unit is by energy storage repeatedly, electric discharge comes the pulse generating unit of drive-pulse generator to produce pulse repeatedly.Energy storage device in existing wireless pulses generator drive unit is comprised of 24 electric capacity of parallel connection.Repeated charge process is by the energy storage device hydraulic performance decline that causes electric capacity to form for a long time, and the energy that energy storage device is stored cannot produce pulse by driving pulse generating means in the environment of high temperature, high pressure.On the other hand, because the drive unit of pulse generator is worked all the time in the environment of high temperature, high pressure, strong vibration, thump, when the electric capacity in energy storage device is full of electricity, if run into strong vibration or thump, very easily there is electric capacity explosion phenomenon, cause production accident.In addition, the electric capacity price that can use in the environment of high temperature, high pressure, strong vibration, thump on market is now very expensive, single electric capacity price reaches hundreds of units, and each drive unit need to use 24 electric capacity, will cause the production cost of wireless pulses generator drive unit very high like this.
Summary of the invention
The object of this invention is to provide a kind of novel radio directional tool pulse generator drive unit, can avoid the explosion phenomenon of energy storage device in existing pulse generator drive unit, reduce potential safety hazard, the job stability that simultaneously improves wireless pulses generator drive unit, reduces production costs.
The present invention adopts following technical proposals:
A novel radio directional tool pulse generator drive unit, comprises micro-control unit, and the signal input part of micro-control unit connects the signal output part that wireless drilling is measured inserting tube; The signal output part of micro-control unit connects the grid of MOSFET pipe, and the drain electrode of MOSFET pipe and source series are on pulser coil power supply circuit, and micro-control unit is also connected with memory cell.
Described pulser coil two ends are parallel with the first diode, and the negative pole of the first diode connects positive source, and the positive pole of the first diode connects power cathode.
Described MOSFET pipe two ends are parallel with the second diode, and the negative pole of the second diode connects the drain electrode of MOSFET pipe, and the positive pole of the second diode connects MOSFET pipe source electrode.
Between described positive source and pulser coil, be in series with the 3rd diode, the positive pole of the 3rd diode connects positive source, and the negative pole of the 3rd diode connects pulser coil.
Described MOSFET pipe adopts N channel enhancement MOSFET pipe.
Described micro-control unit adopts LPC2194, and memory cell adopts the on-chip memory of LPC2194.
The first described diode, the second diode and the 3rd diode all adopt S5100.
The present invention utilizes micro-control unit to receive and judges the pwm signal that wireless drilling measurement inserting tube produces, and by controlling the break-make of MOSFET pipe, realize the control of paired pulses device operating state, whole circuit is simple and safe, and can recently adjust by changing the duty of high-frequency impulse the power consumption of whole pulser.The present invention has cancelled the energy capacitance set in conventional wireless pulse generator drive unit, can avoid the explosion phenomenon of energy storage device in existing pulse generator drive unit, reduces potential safety hazard; Can also improve the job stability of wireless pulses generator drive unit, got rid of the hydraulic performance decline causing because of repeated charge because of energy capacitance set in existing pulse generator drive unit simultaneously.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present invention.
Embodiment
As shown in Figure 1, the present invention includes micro-control unit MCU, the signal input part of micro-control unit MCU connects the signal output part that wireless drilling is measured inserting tube; The signal output part of micro-control unit MCU connects the grid G of MOSFET pipe, and the drain D of MOSFET pipe and source S are connected on pulser coil L power supply circuits, and micro-control unit MCU is also connected with memory cell.In the present invention, pulser coil L two ends are parallel with the first diode D1, and the negative pole of the first diode D1 connects positive source, and the positive pole of the first diode D1 connects power cathode; MOSFET pipe two ends are parallel with the second diode D2, and the negative pole of the second diode D2 connects MOSFET pipe drain D, and the positive pole of the second diode D2 connects MOSFET pipe source S; Between positive source and pulser coil L, be in series with the 3rd diode D3, the positive pole of the 3rd diode D3 connects positive source, and the negative pole of the 3rd diode D3 connects pulser coil L.
In the present invention, micro-control unit MCU can receive that wireless drilling measures that inserting tube produces for driving the pwm signal of traditional pulse generator drive circuit, and judge the low and high level of received pwm signal.When pwm signal is high level, micro-control unit MCU produces corresponding high-frequency impulse and is sent to the grid G of MOSFET pipe, the now drain D of MOSFET pipe and source S conducting, and the conducting of pulser coil L power supply circuits, pulser coil L obtains electric work; When pwm signal is low level, micro-control unit MCU produces corresponding low-frequency pulse and is sent to the grid G of MOSFET pipe, the now drain D of MOSFET pipe and not conducting of source S, and pulser coil L dead electricity is not worked.In the course of work, the first diode D1 and the second diode D2 can play the effect of afterflow, and the 3rd diode D3 can play the effect of circuit protection.
In the present embodiment, MOSFET pipe adopts N channel enhancement MOSFET pipe; Micro-control unit MCU adopts LPC2194, and memory cell adopts the on-chip memory of LPC2194; The first diode D1, the second diode D2 and the 3rd diode D3 all adopt S5100.
The present invention can utilize micro-control unit MCU to receive and judge the pwm signal that wireless drilling measurement inserting tube produces, and by controlling the break-make of MOSFET pipe, realize the control of paired pulses device operating state, whole circuit is simple and safe, and can recently adjust by changing the duty of high-frequency impulse the power consumption of whole pulser.The present invention has cancelled the energy capacitance set in conventional wireless pulse generator drive unit, can avoid the explosion phenomenon of energy storage device in existing pulse generator drive unit, reduces potential safety hazard; Can also improve the job stability of wireless pulses generator drive unit, got rid of the hydraulic performance decline causing because of repeated charge because of energy capacitance set in existing pulse generator drive unit simultaneously.
Claims (7)
1. a novel radio directional tool pulse generator drive unit, is characterized in that: comprise micro-control unit, the signal input part of micro-control unit connects the signal output part that wireless drilling is measured inserting tube; The signal output part of micro-control unit connects the grid of MOSFET pipe, and the drain electrode of MOSFET pipe and source series are on pulser coil power supply circuit, and micro-control unit is also connected with memory cell.
2. novel radio directional tool pulse generator drive unit according to claim 1, it is characterized in that: described pulser coil two ends are parallel with the first diode, the negative pole of the first diode connects positive source, and the positive pole of the first diode connects power cathode.
3. novel radio directional tool pulse generator drive unit according to claim 2, it is characterized in that: described MOSFET pipe two ends are parallel with the second diode, the negative pole of the second diode connects the drain electrode of MOSFET pipe, and the positive pole of the second diode connects MOSFET pipe source electrode.
4. novel radio directional tool pulse generator drive unit according to claim 3, it is characterized in that: between described positive source and pulser coil, be in series with the 3rd diode, the positive pole of the 3rd diode connects positive source, and the negative pole of the 3rd diode connects pulser coil.
5. novel radio directional tool pulse generator drive unit according to claim 4, is characterized in that: described MOSFET pipe adopts N channel enhancement MOSFET pipe.
6. novel radio directional tool pulse generator drive unit according to claim 5, is characterized in that: described micro-control unit adopts LPC2194, and memory cell adopts the on-chip memory of LPC2194.
7. novel radio directional tool pulse generator drive unit according to claim 6, is characterized in that: the first described diode, the second diode and the 3rd diode all adopt S5100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410107122.0A CN104052433A (en) | 2014-03-21 | 2014-03-21 | Novel pulse generator driving device used for wireless inclinometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410107122.0A CN104052433A (en) | 2014-03-21 | 2014-03-21 | Novel pulse generator driving device used for wireless inclinometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104052433A true CN104052433A (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410107122.0A Pending CN104052433A (en) | 2014-03-21 | 2014-03-21 | Novel pulse generator driving device used for wireless inclinometer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424822A (en) * | 2001-12-06 | 2003-06-18 | 株式会社电装 | Load driving circuits with follow current diode |
| US20050127006A1 (en) * | 2003-12-11 | 2005-06-16 | Stromquist Donald M. | Method and apparatus for increasing the capacity of ion exchange resins |
| US20120032709A1 (en) * | 2010-08-09 | 2012-02-09 | Honda Motor Co., Ltd. | Semiconductor device driving unit and method |
| CN202483556U (en) * | 2012-03-09 | 2012-10-10 | 北京波特耐尔石油技术有限公司 | Positive pulse driver for wireless inclinometer while drilling system |
| CN203813745U (en) * | 2014-03-21 | 2014-09-03 | 郑州士奇测控技术有限公司 | Novel pulse generator drive device for wireless while drilling declinator |
-
2014
- 2014-03-21 CN CN201410107122.0A patent/CN104052433A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424822A (en) * | 2001-12-06 | 2003-06-18 | 株式会社电装 | Load driving circuits with follow current diode |
| US20050127006A1 (en) * | 2003-12-11 | 2005-06-16 | Stromquist Donald M. | Method and apparatus for increasing the capacity of ion exchange resins |
| US20120032709A1 (en) * | 2010-08-09 | 2012-02-09 | Honda Motor Co., Ltd. | Semiconductor device driving unit and method |
| CN102377419A (en) * | 2010-08-09 | 2012-03-14 | 本田技研工业株式会社 | Semiconductor device driving unit and method |
| CN202483556U (en) * | 2012-03-09 | 2012-10-10 | 北京波特耐尔石油技术有限公司 | Positive pulse driver for wireless inclinometer while drilling system |
| CN203813745U (en) * | 2014-03-21 | 2014-09-03 | 郑州士奇测控技术有限公司 | Novel pulse generator drive device for wireless while drilling declinator |
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Application publication date: 20140917 |
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| RJ01 | Rejection of invention patent application after publication |