CN1821809A - Electric exploration signal transmitter - Google Patents
Electric exploration signal transmitter Download PDFInfo
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- CN1821809A CN1821809A CN 200610031320 CN200610031320A CN1821809A CN 1821809 A CN1821809 A CN 1821809A CN 200610031320 CN200610031320 CN 200610031320 CN 200610031320 A CN200610031320 A CN 200610031320A CN 1821809 A CN1821809 A CN 1821809A
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Abstract
This invention discloses a sender of electric exploration signals, which applies IPM as the power conversion device to carry out intelligent control matched with a micro-controller, designs a dead zone time adjusting circuit at the input end of the drive isolation circuit control signals composed of a multiple analog switch, a resistor, a capacitor and OR gate and NOT-gate, a thermistor is set on the IPM surface and is connected with a temperature reducing system and a micro-controller to control the on and off of the fan intelligently by the micro-controller.
Description
Technical field
The present invention relates to a kind of electric exploration signal transmitter, especially relate to a kind of electric exploration signal transmitter of used for geological prospecting.
Background technology
Existing electric exploration signal transmitter generally adopts controllable silicon or IGBT as inverter, and there is following defective in they: the one, and integrated level is not high, need add control and holding circuit, causes machine system bulky; The 2nd, there is not overheating protection; The 3rd, protection speed is untimely; The 4th, fault is got rid of difficulty; The 5th, the Dead Time size is non-adjustable; The 6th, high-power electrical method exploration signal transmitter general heating amount is bigger, therefore sets up cooling fan, and the required electric current of fan mostly is 100mA~200mA greatly, and power consumption is bigger, and cooling fan is non-adjustable, causes Overall Power Consumption excessive.
Summary of the invention
The object of the present invention is to provide a kind of volume little, good reliability, defencive function is perfect, protects fireballing electric exploration signal transmitter.
The electric exploration signal transmitter that provides a kind of Dead Time size to regulate is provided further aim of the present invention.
Further object of the present invention is to provide a kind of electric exploration signal transmitter that also has automatic cooling function.
The objective of the invention is to be achieved through the following technical solutions: it comprises the inverter that is provided with to the earth energization pins, described inverter and driving buffer circuit, high-voltage power supply and cooling system connect, temperature measuring circuit, the supply voltage metering circuit, supply current metering circuit and battery voltage measurement circuit and multidiameter option switch, the A/D change-over circuit is connected in turn with microcontroller, human-computer interaction interface display and keyboard are connected with described microcontroller is two-way, it is characterized in that, described inverter is for based on IPM (Intelligent Power Module) and contain the inverter of buffer circuit, and links to each other with described microcontroller.The present invention adopts IPM as power conversion apparatus, utilizes that IPM is various, intelligent, self-protection function efficiently, and collocation microcontroller (being single-chip microcomputer) carries out Based Intelligent Control, and reliability, security, integrated level significantly improve.
Further aim of the present invention is achieved through the following technical solutions: in driving buffer circuit signal input end a Dead Time is set and adjusts circuit.This circuit is by multiway analog switch and resistance, electric capacity reaches or door, not gate constitutes, the input end of described multiway analog switch is connected with the control signal incoming line by resistance, output terminal is connected to the output terminal of not gate by resistance, the input end of not gate also is connected with the control signal incoming line, the INH pin of described multiway analog switch, after connecting, the VEE pin is connected to output ground jointly, the A pin, the B pin is connected with microcontroller (single-chip microcomputer) respectively, the X pin is received output ground by electric capacity, simultaneously, the X pin be connected respectively with the control signal incoming line or the door two input ends, the Y pin is received output ground by electric capacity, simultaneously, the output terminal of Y pin Sheffer stroke gate is connected respectively to two input ends of another or door.Adjust circuit by Dead Time and realize the controlled purpose of Dead Time, be convenient to adapt to different power supply environment.
Further object of the present invention is achieved through the following technical solutions: IPM establishes thermistor in the surface, cooling system links to each other with the thermistor on IPM surface, the temperature measuring circuit at the thermistor place on IPM surface links to each other with microcontroller again, utilize microcontroller that the startup of cooling fan is closed down and carry out Based Intelligent Control: the thermistor temp sampled value when the IPM surface surpasses preset value (such as 70 ℃), cooling fan startup work; When temperature drops to certain threshold values (such as 40 ℃), cooling fan stall, thereby effective energy savings.
The present invention adjusts circuit by IPM and Dead Time, has simplified peripheral control and holding circuit, has improved the reliability of integrated level and system, and can adapt to different power supply environment; Machine volume is little, and is easy to carry; Fault Identification is lighter, and troubleshooting process is simpler; Cooling system adopts microcontroller to carry out Based Intelligent Control, and Overall Power Consumption is lower.
Description of drawings
Fig. 1 is the structured flowchart of one embodiment of the invention;
Fig. 2 is that many grades of Dead Times embodiment illustrated in fig. 1 are adjusted circuit.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
With reference to Fig. 1; based on IPM (its surface is provided with thermistor) and be provided with grounding pin 11; 12 inverter 6 includes holding circuit; and with microcontroller 4; cooling system 3 and high-voltage power supply 10 connect; the IPM temperature measurement system; the supply voltage measuring system; supply current measuring system and battery voltage measurement system 7 and multidiameter option switch 8; A/D change-over circuit 9 is connected in turn with microcontroller 4; human-computer interaction interface display and keyboard 1 and 4 two-way connections of microcontroller; microcontroller 4 is also adjusted circuit 2 with Dead Time and is connected; Dead Time is adjusted circuit 2 and is driven buffer circuit 5 and be connected, and driving buffer circuit 5 is connected with inverter 6 based on IPM.
With reference to Fig. 2, Dead Time is adjusted four input end X that circuit 2 comprises multiway analog switch 4052,4052
0, X
1, X
2, X
3Respectively by four resistance R B
1, RB
2, RB
3, RB
4Be connected four output terminal Y with control signal incoming line 100
0, Y
1, Y
2, Y
3Respectively by four resistance R B
5, RB
6, RB
7, RB
8Be connected to the output terminal of not gate NOT, the input end of not gate NOT is connected with control signal incoming line 100, be connected to output ground after 4052 INH pin, VEE pin connect jointly, 4052 A pin, B pin connect P1.1, the P1.0 mouth of microcontroller 4 respectively, and 4052 X pin passes through capacitor C
08Receive output ground, simultaneously, the X pin is connected respectively with the control signal incoming line or door OR
1Two input ends, 4052 Y pin passes through capacitor C
07Receive output ground, simultaneously, the output terminal of Y pin Sheffer stroke gate NOT is connected respectively to or door OR
2Two input ends.Adjust circuit 2 by Dead Time and realize the controlled purpose of Dead Time, be convenient to adapt to different power supply environment.
The course of work of native system: system boot just detects automatically, comprises the initialization of display screen and the detection of IPM module, is shown as function signal after the self check success, and can power this moment.When the earth was powered, system converted the direct supply that high-voltage power supply 10 provides to the AC signal consistent with control signal by inverter 6, and the signal after will changing then infeeds the earth by grounding pin 11,12.The power supply while, microcontroller 4 will detect the four systems parameter, comprises supply current, supply voltage, cell voltage and IPM temperature, then they is presented on the display screen of display 1; When supply voltage, when electric current is excessive, system alarm cuts off the relay of control signal path and main circuit power supply, simultaneously with protection system; When cell voltage is crossed when low, system alarm, after a period of time, if system powers, microcontroller 4 can shutoff signal path and current supply circuits.To determine the size of Dead Time before the power supply according to the power supply environment, such as under extreme conditions, selecting maximum Dead Time; Control signal is adjusted circuit 2 through Dead Time, the realization Dead Time is adjusted, again through the buffer circuit 5 of overdriving, the break-make based on inverter 6 switching devices of IPM is directly controlled in realization isolation and control power level conversion back, thereby convert high-voltage DC power supply to required controllable high-voltage AC signal, power to the earth by pin 11,12; A/D change-over circuit 9 is used for to supply current, supply voltage, cell voltage, IPM temperature sampling, and human-computer interaction interface display and keyboard 1 can show various system datas, realizes man-machine conversation, supervisory system; And in case various emergency case occur, as overvoltage, overcurrent, power supply control under-voltage, short circuit, overheated etc., IPM can send alerting signal Fo to microcontroller 4 rapidly, cuts off control signal simultaneously, make the IPM module be operated in off state, avoid situation to advance to worsen.After fixing a breakdown, the IPM module can be resumed work.Because external circuits is simple, the work of fixing a breakdown is not numerous and diverse, can increase work efficiency.
For energy-conservation, cooling system is by microcontroller 4 controls, and the thermistor sample temperature value when the IPM surface surpasses preset value (such as 70 ℃), cooling fan work; When temperature drops to certain threshold values (such as 40 ℃), cooling fan stall.
Must be pointed out that the foregoing description is one of specific embodiment of the invention, can not limit protection scope of the present invention in view of the above, other equivalent way or employing different components, parameter still belong to protection scope of the present invention.
Claims (3)
1, a kind of electric exploration signal transmitter, comprise the inverter that is provided with to the earth energization pins, described inverter and driving buffer circuit, high-voltage power supply and cooling system connect, temperature measuring circuit, the supply voltage metering circuit, supply current metering circuit and battery voltage measurement circuit and multidiameter option switch, the A/D change-over circuit is connected in turn with microcontroller, human-computer interaction interface display and keyboard are connected with described microcontroller is two-way, it is characterized in that, described inverter is for based on Intelligent Power Module and contain the inverter of buffer circuit, and links to each other with described microcontroller.
2, electric exploration signal transmitter according to claim 1, it is characterized in that, in described driving buffer circuit signal input end Dead Time is set and adjusts circuit, described Dead Time is adjusted circuit by multiway analog switch and resistance, electric capacity reaches or door, not gate constitutes, the input end of described multiway analog switch is connected with the control signal incoming line by resistance, output terminal is connected to the output terminal of not gate by resistance, the input end of not gate also is connected with the control signal incoming line, the INH pin of described multiway analog switch, after connecting, the VEE pin is connected to output ground jointly, the A pin, the B pin is connected with described microcontroller respectively, the X pin is received output ground by electric capacity, simultaneously, the X pin be connected respectively with the control signal incoming line or the door two input ends, the Y pin is received output ground by electric capacity, simultaneously, the output terminal of Y pin Sheffer stroke gate is connected respectively to two input ends of another or door.
3, electric exploration signal transmitter according to claim 1 and 2 is characterized in that, described Intelligent Power Module surface is provided with thermistor, and the temperature measuring circuit at described thermistor place links to each other with microcontroller again.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100313209A CN100478706C (en) | 2006-03-09 | 2006-03-09 | Electric exploration signal transmitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100313209A CN100478706C (en) | 2006-03-09 | 2006-03-09 | Electric exploration signal transmitter |
Publications (2)
Publication Number | Publication Date |
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CN1821809A true CN1821809A (en) | 2006-08-23 |
CN100478706C CN100478706C (en) | 2009-04-15 |
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CNB2006100313209A Expired - Fee Related CN100478706C (en) | 2006-03-09 | 2006-03-09 | Electric exploration signal transmitter |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100478709C (en) * | 2006-09-01 | 2009-04-15 | 中南大学 | Multifunctional generator for electrical surveying signal |
CN101477328B (en) * | 2008-01-02 | 2010-10-20 | 台达电子工业股份有限公司 | Gate-driving signal control device |
CN102540259A (en) * | 2011-12-21 | 2012-07-04 | 吉林大学 | High-density electrical exploration transmitter |
CN103197349A (en) * | 2013-02-28 | 2013-07-10 | 湖南科技大学 | Regulating device and regulating method for front edge and back edge of rectangular wave output by transmitter |
CN104122591A (en) * | 2014-06-25 | 2014-10-29 | 国家***第一海洋研究所 | Double-frequency current signal transmitter in marine electric detection system |
CN105093337A (en) * | 2015-07-09 | 2015-11-25 | 重庆地质仪器厂 | Electrical prospecting simulator |
CN108776313A (en) * | 2018-06-15 | 2018-11-09 | 广东美的制冷设备有限公司 | Dynamic characteristic test circuit and IPM test devices |
WO2021197366A1 (en) * | 2020-03-31 | 2021-10-07 | 湖南科技大学 | Electrical prospecting signal sending device and method for suppressing electromagnetic coupling interference |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103616727B (en) * | 2013-12-20 | 2016-08-03 | 中国矿业大学(北京) | Pick forward probe emission system combined by a kind of mining dynamically and directionally electric field excitation method coal road |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU507843A1 (en) * | 1971-09-14 | 1976-03-25 | Свердловский Ордена Трудового Красного Знамени Им. В.В.Вахрушева Горный Институт | Portable electrical logging tool |
SU1140078A1 (en) * | 1972-05-22 | 1985-02-15 | Всесоюзный Научно-Исследовательский Институт Геофизических Методов Разведки "Вниигеофизика" | Device for geoelectric prospecting |
SU702334A1 (en) * | 1976-01-22 | 1979-12-05 | Государственный Геофизический Трест "Татнефтегеофизика" | Measuring device for electrical geological prospecting |
SU1223178A1 (en) * | 1984-01-16 | 1986-04-07 | Всесоюзный научно-исследовательский и проектно-конструкторский институт геофизических исследований геологоразведочных скважин | Device for geoelectric prospecting |
-
2006
- 2006-03-09 CN CNB2006100313209A patent/CN100478706C/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100478709C (en) * | 2006-09-01 | 2009-04-15 | 中南大学 | Multifunctional generator for electrical surveying signal |
CN101477328B (en) * | 2008-01-02 | 2010-10-20 | 台达电子工业股份有限公司 | Gate-driving signal control device |
CN102540259A (en) * | 2011-12-21 | 2012-07-04 | 吉林大学 | High-density electrical exploration transmitter |
CN103197349A (en) * | 2013-02-28 | 2013-07-10 | 湖南科技大学 | Regulating device and regulating method for front edge and back edge of rectangular wave output by transmitter |
CN103197349B (en) * | 2013-02-28 | 2016-05-18 | 湖南科技大学 | A kind of transmitter output square wave front and back are along adjusting device and method |
CN104122591A (en) * | 2014-06-25 | 2014-10-29 | 国家***第一海洋研究所 | Double-frequency current signal transmitter in marine electric detection system |
CN105093337A (en) * | 2015-07-09 | 2015-11-25 | 重庆地质仪器厂 | Electrical prospecting simulator |
CN105093337B (en) * | 2015-07-09 | 2017-09-08 | 重庆地质仪器厂 | A kind of electrical simulation check device |
CN108776313A (en) * | 2018-06-15 | 2018-11-09 | 广东美的制冷设备有限公司 | Dynamic characteristic test circuit and IPM test devices |
WO2021197366A1 (en) * | 2020-03-31 | 2021-10-07 | 湖南科技大学 | Electrical prospecting signal sending device and method for suppressing electromagnetic coupling interference |
US11846744B2 (en) | 2020-03-31 | 2023-12-19 | Hunan University Of Science And Technology | Electrical prospecting signal transmission device capable of suppressing electromagnetic coupling interference and electrical prospecting signal transmission method using same |
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Publication number | Publication date |
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CN100478706C (en) | 2009-04-15 |
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Granted publication date: 20090415 Termination date: 20160309 |