CN101582635A - Direct current boosting power device of three-dimensional resistivity imaging system - Google Patents
Direct current boosting power device of three-dimensional resistivity imaging system Download PDFInfo
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- CN101582635A CN101582635A CNA2009101156232A CN200910115623A CN101582635A CN 101582635 A CN101582635 A CN 101582635A CN A2009101156232 A CNA2009101156232 A CN A2009101156232A CN 200910115623 A CN200910115623 A CN 200910115623A CN 101582635 A CN101582635 A CN 101582635A
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Abstract
The invention belongs to the technical field of geophysical exploration and relates to a direct current boosting power device of a three-dimensional resistivity imaging system. A pulse width modulation control chip generates a square wave with the frequency of about 100KHz, carries out voltage boosting conversion by two triodes and two field effect tube driving transformers and obtains a direct current voltage by rectifying and filtering; a singlechip controls a CAN interface chip and realizes the CAN bus communication function; and therefore, a notebook computer in the three-dimensional resistivity imaging system can control the direct current boosting power device by the CAN bus, controls the switching of nine relays by the singlechip, can output 16 grades of output voltages of different size and can change the polarity of the output voltage and two power supply modes of direct current and square wave, thus outputting a voltage required by the three-dimensional resistivity imaging system.
Description
Technical field
The invention belongs to the geophysical exploration technology field, is the D.C. method technology that is applied in the resource and environment exploration engineering field, relates to a kind of direct current boosting power device of three-dimensional resistivity imaging system.
Background technology
Since 19 beginnings of the century just began to look for the ore deposit with electrical method, the D.C. method technical development nearly 200 years.Since the high-density electric technical development eighties in 20th century, the electrical prospecting technology is developed rapidly and extensive use.The D.C. method technology is mainly based on high-density electric.
In recent ten years, along with the develop rapidly of computer technology, network technology, electronic device, electrical method is looked for the ore deposit to look for the ore deposit progressively to develop into the 3 D resistivity imaging by high-density electric and is looked for the ore deposit.Three-dimensional resistivity imaging system need be studied (being software section) such as rational mathematical model, data processing method, imaging algorithms on the one hand, need on the other hand to design possess data acquisition, system's (being hardware components) of function such as storage, data preliminary treatment, transfer of data.Direct current boosting power device need satisfy following requirement as a crucial component devices of hardware system:
1. possess the interface that meets the CAN bus standard, notebook computer can be controlled it by the CAN bus.
2. can there be more than 8 grades output voltage to select, can selects polarity of voltage, to adapt to different measured object application need.
Summary of the invention
The object of the present invention is to provide a kind of employing single-chip microcomputer is core, by linking to each other with the CAN isolating transformer with the CAN interface chip, realizes the direct current boosting power device of the three-dimensional resistivity imaging system of CAN bus communication function.
The technical solution adopted in the present invention: it adopts single-chip microcomputer (U16) is core, by linking to each other with CAN interface chip (U17), link to each other with CAN isolating transformer (U18) again, 9 I/O pin of single-chip microcomputer (U16) link to each other with relay drive circuit (U19), drive the switching of 9 relays (K7-K15). and 1 pin of single-chip microcomputer (U16) links to each other with 13 pin of pulse width modulation controlled chip (U15); Pulse width modulation controlled chip (U15) produces the square wave that a frequency is about 100KHz, carries out the boost in voltage conversion by 2 triodes (T1, T3), 2 field effect transistor (T2, T4) and driving transformer (T); The different switching state combinations of relay (K7-K14), finish the selection of output voltage size, carry out rectification and 2 capacitors (C4, C5) and inductance (L2) through 4 rectifier diodes (D1-D4) and carry out filtering, obtain a direct voltage, this voltage carries out the selection of positive-negative polarity through relay (K15), exports the needed voltage of three-dimensional resistivity imaging system.
Device is preferably: single-chip microcomputer is STC89S52, and the CAN interface chip is SJA1000, and the CAN isolating transformer is CTM8251, and the pulse width modulation controlled chip is TL494.
Being provided with the CAN bus communication interface in the direct current boosting power device is connected with the CAN bus cable.
Under notebook computer was controlled it by the CAN bus, single-chip microcomputer STC89S52 control pulse width modulation controlled chip TL494 produced the square wave that a frequency is about 100KHz, by 2 triodes, 2 field effect transistor driving transformers, carries out the boost in voltage conversion.The selection of output voltage size is finished in the different switching states combination of single-chip microcomputer STC89S52 control relay (K1-K8), carries out rectification and 2 capacitors and inductance through 4 rectifier diodes and carries out filtering, obtains a direct voltage.And single-chip microcomputer STC89S52 control relay (K15) carries out the selection of output voltage positive-negative polarity, the selection of supply power mode, exports the needed voltage of three-dimensional resistivity imaging system.
Description of drawings
The direct current boosting power device overall structure figure of Fig. 1, the embodiment of the invention 1 three-dimensional resistivity imaging system.
Fig. 2, the embodiment of the invention 1 pulse width modulation controlled and power driving circuit schematic diagram.
Fig. 3, the embodiment of the invention 1 voltage are selected and the control circuit schematic diagram.
Fig. 4, the embodiment of the invention 1 direct current boosting power device are used connection layout.
Embodiment
In conjunction with the accompanying drawings embodiment 1 is described further:
Among Fig. 1, direct current boosting power device is mainly by pulse width modulation controlled chip 21, power driving circuit 22, step-up transformer 23, voltage is selected commutation circuit 24, current rectifying and wave filtering circuit 25, output voltage polarity and supply power mode commutation circuit 26, single-chip microcomputer 27, CAN interface and buffer circuit 28, CAN bus cable joint 29.
Among Fig. 2,1 pin of batteries input adapter (P6) links to each other with 1 pin of protective tube (F1), and 2 pin of 1 pin of 1 pin of 1 pin of 2 pin of batteries input adapter (P6) and resistance (R1), 2 pin of resistance (R2), resistance (R6), 1 pin of adjustable resistance (PR1), electric capacity (C1), 2 pin of electric capacity (C2), electric capacity (C3), 7,15,16 pin of pulse width modulation controlled chip TL494 (U15), the c utmost point of triode (T1), the s utmost point of field effect transistor (T2), the c utmost point of triode (T3), the s of field effect transistor (T4) extremely link to each other.3,4 pin of batteries input adapter (P6) link to each other with 4,3 pin of CAN bus cable joint (P2) respectively.2 pin of 1 pin of 2 pin of protective tube (F1) and inductance coil (L1), 1 pin of electric capacity (C2), transformer (T) link to each other.1 pin of 2 pin of inductance coil (L1) and electric capacity (C3), 8,11,12 pin of TL494 (U15) link to each other.2 pin of electric capacity (C1) link to each other with 5 pin of TL494 (U15).2 pin of resistance (R1) link to each other with 6 pin of TL494 (U15).1 pin of 1 pin of resistance (R2) and resistance (R3), 1 pin of resistance (R4) link to each other.14 pin of 1 pin of 2 pin of resistance (R3) and resistance (R7), 2 pin of adjustable resistance (PR1), TL494 (U15) link to each other.2 pin of 2 pin of resistance (R4) and resistance (R5), 2 pin of TL494 (U15) link to each other.1 pin of resistance (R5) links to each other with 3 pin of TL494 (U15).3 pin of adjustable resistance (PR1) link to each other with 1 pin of TL494 (U15).2 pin of 2 pin of resistance (R6) and resistance (R7), 4 pin of TL494 (U15) link to each other.4 pin of TL494 (U15) link to each other with 1 pin of single-chip microcomputer ST89S52 (U16).9 pin of TL494 (U15) extremely link to each other with the b of triode (T1), and 10 pin of TL494 (U15) extremely link to each other with the b of triode (T3).The e utmost point of triode (T1) extremely links to each other with the g of field effect transistor (T2), and the e utmost point of triode (T3) extremely links to each other with the g of field effect transistor (T4).The d utmost point of field effect transistor (T2) links to each other with 1 pin of transformer (T), and the d utmost point of field effect transistor (T4) links to each other with 3 pin of transformer (T).
Among Fig. 3,4 pin of transformer (T) link to each other with 1 pin of relay (K7), 5 pin of transformer (T) link to each other with 2 pin of relay (K7), 6 pin of transformer (T) link to each other with 1 pin of relay (K8), 7 pin of transformer (T) link to each other with 2 pin of relay (K8), 8 pin of transformer (T) link to each other with 1 pin of relay (K9), 9 pin of transformer (T) link to each other with 2 pin of relay (K9), 10 pin of transformer (T) link to each other with 1 pin of relay (K10), 11 pin of transformer (T) link to each other with 2 pin of relay (K10), 12 pin of transformer (T) link to each other with 1 pin of relay (K14), and 13 pin of transformer (T) link to each other with 2 pin of relay (K14).1 pin of relay (K11) links to each other with 3 pin of relay (K7), and 2 pin of relay (K11) link to each other with 3 pin of relay (K8); 1 pin of relay (K12) links to each other with 3 pin of relay (K9), and 2 pin of relay (K12) link to each other with 3 pin of relay (K10); 1 pin of relay (K13) links to each other with 3 pin of relay (K11), and 2 pin of relay (K13) link to each other with 3 pin of relay (K12); 1 pin of 3 pin of relay (K13) and diode (D1), 2 pin of diode (D3) link to each other, and 1 pin of 3 pin of relay (K14) and diode (D2), 2 pin of diode (D4) link to each other.1 pin of 2 pin of 2 pin of diode (D1) and diode (D2), 1 pin of inductance (L2), electric capacity (C4) links to each other.2 pin of 1 pin of 1 pin of diode (D3) and diode (D4), 2 pin of electric capacity (C4), electric capacity (C5), 2,4 pin of relay (K15) link to each other.1 pin of 2 pin of inductance (L2) and electric capacity (C5), 1,5 pin of relay (K15) link to each other.3,6 pin of relay (K15) link to each other with 7,8 pin of CAN bus cable joint (P2) respectively.Among Fig. 4,9 I/O pin of single-chip microcomputer ST89S52 (U16) link to each other with relay drive circuit (U19), the P0 mouth of single-chip microcomputer ST89S52 (U16) links to each other with CAN bus cable joint chip SJA1000 (U17), SJA1000 (U17) links to each other with CAN isolating transformer CTM8251 (U18), and 6,7 pin of CTM8251 (U18) link to each other with 6,5 pin of CAN bus cable joint (P2) respectively.
Can there be more than 8 grades output voltage to select in order to satisfy three-dimensional resistivity imaging system to direct current boosting power device, can select the requirement of polarity of voltage and supply power mode, the present invention is by the switching of relay (K7-K15), can export the output voltage of 16 grades of different sizes, and can change the combined method of the polarity of output voltage and direct current, 2 kinds of supply power modes of square wave, its control changing method is as follows:
When relay (K14) is connected in 1 pin, relay (K10, K12, K13) is connected in 2 pin, and the size of output voltage is about 50V;
(K10, K14) connects in 1 pin when relay, and relay (K12, K13) is connected in 2 pin, and the size of output voltage is about 100V;
(K12, K14) connects in 1 pin when relay, and relay (K9, K13) is connected in 2 pin, and the size of output voltage is about 150V;
(K9, K12, K14) connects in 1 pin when relay, and relay (K13) is connected in 2 pin, and the size of output voltage is about 200V;
(K13, K14) connects in 1 pin when relay, and relay (K8, K11) is connected in 2 pin, and the size of output voltage is about 250V;
(K8, K13, K14) connects in 1 pin when relay, and relay (K11) is connected in 2 pin, and the size of output voltage is about 300V;
(K11, K13, K14) connects in 1 pin when relay, and relay (K7) is connected in 2 pin, and the size of output voltage is about 350V;
Connect in the size of 1 pin output voltage when relay (K7, K11, K13, K14) and to be about 400V;
(K10, K12, K13, K14) connects in 2 pin when relay, and the size of output voltage is about 450V;
When relay (K10) is connected in 1 pin, relay (K12, K13, K14) is connected in 2 pin, and the size of output voltage is about 500V;
When relay (K12) is connected in 1 pin, relay (K9, K13, K14) is connected in 2 pin, and the size of output voltage is about 550V;
(K9, K12) connects in 1 pin when relay, and relay (K13, K14) is connected in 2 pin, and the size of output voltage is about 600V;
When relay (K13) is connected in 1 pin, relay (K8, K11, K14) is connected in 2 pin, and the size of output voltage is about 650V;
(K8, K13) connects in 1 pin when relay, and relay (K11, K14) is connected in 2 pin, and the size of output voltage is about 700V;
(K11, K13) connects in 1 pin when relay, and relay (K7, K14) is connected in 2 pin, and the size of output voltage is about 750V;
(K7, K11, K13) connects in 1 pin when relay, and relay (K14) is connected in 2 pin, and the size of output voltage is about 800V;
1,3 pin of relay (K15) are connected, and 4,6 pin are connected, from 2 pin output voltage positive poles of CAN bus cable joint (P2), 1 pin output voltage negative pole;
2,3 pin of relay (K15) are connected, and 5,6 pin are connected, from 1 pin output voltage positive pole of CAN bus cable joint (P2), 2 pin output negative poles;
(K15) keeps a kind of state always when relay, just with direct current supply mode output voltage;
When being 1 second～10 minutes with the cycle, periodically transfer relay (K15) just can be defeated with the square wave supply power mode
Go out voltage.Be applied to the execution mode of three-dimensional resistivity imaging system with the present invention:
(1) by Fig. 4 hardware is connected.Notebook computer 1 links to each other with USB-CAN interface convertor 2, is connected on the node of CAN bus cable 5; The direct current boosting power device 4 of three-dimensional resistivity imaging system is received on another node of CAN bus cable 5, batteries 3 is received on the direct current boosting power device 4.
(2) notebook computer 1 communicates by the direct current boosting power device 4 of CAN bus and three-dimensional resistivity imaging system, transmitting control commands, the unlatching of control direct current boosting power device, the selection of output voltage size, the selection of output voltage positive-negative polarity, the selection of supply power mode are exported one and are satisfied the needed voltage of three-dimensional resistivity imaging system.
(3) after one group of data acquisition is finished, the software in the notebook computer changes output voltage size, output voltage positive-negative polarity, supply power mode to direct current boosting power device 4 transmitting control commands of three-dimensional resistivity imaging system.
(4) repeat (3) process, after the whole collections of three-dimensional resistivity imaging system desired data finished, transmitting control commands was closed direct current boosting power device.
Claims (4)
1, a kind of direct current boosting power device of three-dimensional resistivity imaging system, it adopts single-chip microcomputer (U16) is core, by linking to each other with CAN interface chip (U17), link to each other with CAN isolating transformer (U18) again, it is characterized in that: 9 I/O pin of single-chip microcomputer (U16) link to each other with relay drive circuit (U19), drive the switching of 9 relays (K7-K15). and 1 pin of single-chip microcomputer (U16) links to each other with 13 pin of pulse width modulation controlled chip (U15); Pulse width modulation controlled chip (U15) produces the square wave that a frequency is about 100KHz, carries out the boost in voltage conversion by 2 triodes (T1, T3), 2 field effect transistor (T2, T4) and driving transformer (T); The different switching state combinations of relay (K7-K14), finish the selection of output voltage size, carry out rectification and 2 capacitors (C4, C5) and inductance (L2) through 4 rectifier diodes (D1-D4) and carry out filtering, obtain a direct voltage, this voltage carries out the selection of positive-negative polarity through relay (K15), exports the needed voltage of three-dimensional resistivity imaging system.
2, the direct current boosting power device of a kind of three-dimensional resistivity imaging system according to claim 1, it is characterized in that: single-chip microcomputer is STC89S52, the CAN interface chip is SJA1000, and the CAN isolating transformer is CTM8251, and the pulse width modulation controlled chip is TL494.
3, the direct current boosting power device of a kind of three-dimensional resistivity imaging system according to claim 1 and 2 is characterized in that being provided with in the direct current boosting power device CAN bus communication interface and is connected with the CAN bus cable.
4, the direct current boosting power device of a kind of three-dimensional resistivity imaging system according to claim 3 is characterized in that:
When relay (K14) is connected in 1 pin, relay (K10, K12, K13) is connected in 2 pin, and the size of output voltage is about 50V;
(K10, K14) connects in 1 pin when relay, and relay (K12, K13) is connected in 2 pin, and the size of output voltage is about 100V;
(K12, K14) connects in 1 pin when relay, and relay (K9, K13) is connected in 2 pin, and the size of output voltage is about 150V;
(K9, K12, K14) connects in 1 pin when relay, and relay (K13) is connected in 2 pin, and the size of output voltage is about 200V;
(K13, K14) connects in 1 pin when relay, and relay (K8, K11) is connected in 2 pin, and the size of output voltage is about 250V;
(K8, K13, K14) connects in 1 pin when relay, and relay (K11) is connected in 2 pin, and the size of output voltage is about 300V;
(K11, K13, K14) connects in 1 pin when relay, and relay (K7) is connected in 2 pin, and the size of output voltage is about 350V;
Connect in the size of 1 pin output voltage when relay (K7, K11, K13, K14) and to be about 400V;
(K10, K12, K13, K14) connects in 2 pin when relay, and the size of output voltage is about 450V;
When relay (K10) is connected in 1 pin, relay (K12, K13, K14) is connected in 2 pin, and the size of output voltage is about 500V;
When relay (K12) is connected in 1 pin, relay (K9, K13, K14) is connected in 2 pin, and the size of output voltage is about 550V;
(K9, K12) connects in 1 pin when relay, and relay (K13, K14) is connected in 2 pin, and the size of output voltage is about 600V;
When relay (K13) is connected in 1 pin, relay (K8, K11, K14) is connected in 2 pin, and the size of output voltage is about 650V;
(K8, K13) connects in 1 pin when relay, and relay (K11, K14) is connected in 2 pin, and the size of output voltage is about 700V;
(K11, K13) connects in 1 pin when relay, and relay (K7, K14) is connected in 2 pin, and the size of output voltage is about 750V;
(K7, K11, K13) connects in 1 pin when relay, and relay (K14) is connected in 2 pin, and the size of output voltage is about 800V;
1,3 pin of relay (K15) are connected, and 4,6 pin are connected, from 2 pin output voltage positive poles of CAN bus cable joint (P2), 1 pin output voltage negative pole;
2,3 pin of relay (K15) are connected, and 5,6 pin are connected, from 1 pin output voltage positive pole of CAN bus cable joint (P2), 2 pin output negative poles;
(K15) keeps a kind of state always when relay, just with direct current supply mode output voltage;
When being 1 second～10 minutes with the cycle, periodically transfer relay (K15) just can be with square wave supply power mode output voltage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101156232A CN101582635B (en) | 2009-06-30 | 2009-06-30 | Direct current boosting power device of three-dimensional resistivity imaging system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101156232A CN101582635B (en) | 2009-06-30 | 2009-06-30 | Direct current boosting power device of three-dimensional resistivity imaging system |
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| CN101582635A true CN101582635A (en) | 2009-11-18 |
| CN101582635B CN101582635B (en) | 2011-10-26 |
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| CN2009101156232A Expired - Fee Related CN101582635B (en) | 2009-06-30 | 2009-06-30 | Direct current boosting power device of three-dimensional resistivity imaging system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103812327A (en) * | 2014-02-17 | 2014-05-21 | 北京航空航天大学 | Timing reversing precise adjustable direct current voltage converting device |
| CN104076403A (en) * | 2014-07-15 | 2014-10-01 | 张育文 | Direct-current electrical measuring instrument |
| CN106225173A (en) * | 2016-08-22 | 2016-12-14 | 青岛海尔空调器有限总公司 | Air-conditioner with fixed frequency subnormal voltage operation control method and booster circuit |
| CN106050194B (en) * | 2016-07-08 | 2018-10-16 | 中石化石油工程技术服务有限公司 | Well initiation device capable of preventing false initiation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2435782Y (en) * | 2000-08-15 | 2001-06-20 | 乌鲁木齐特力电信实业发展有限公司 | Intelligent computer power supply |
| CN2817181Y (en) * | 2005-06-10 | 2006-09-13 | 天津市百利电气有限公司 | Automatic-converting switch for optimizable power supply |
| CN2924928Y (en) * | 2005-12-05 | 2007-07-18 | 浙江大学 | Intelligent high-voltage pulse generator |
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2009
- 2009-06-30 CN CN2009101156232A patent/CN101582635B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812327A (en) * | 2014-02-17 | 2014-05-21 | 北京航空航天大学 | Timing reversing precise adjustable direct current voltage converting device |
| CN103812327B (en) * | 2014-02-17 | 2016-04-06 | 北京航空航天大学 | The accurate adjustable dc voltage conversion equipment of a kind of timing reversing |
| CN104076403A (en) * | 2014-07-15 | 2014-10-01 | 张育文 | Direct-current electrical measuring instrument |
| CN106050194B (en) * | 2016-07-08 | 2018-10-16 | 中石化石油工程技术服务有限公司 | Well initiation device capable of preventing false initiation |
| CN106225173A (en) * | 2016-08-22 | 2016-12-14 | 青岛海尔空调器有限总公司 | Air-conditioner with fixed frequency subnormal voltage operation control method and booster circuit |
| CN106225173B (en) * | 2016-08-22 | 2019-05-31 | 青岛海尔空调器有限总公司 | Air-conditioner with fixed frequency subnormal voltage operation control method and booster circuit |
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| CN101582635B (en) | 2011-10-26 |
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