CN103941292B - High-power direct current IP measuring system with direct feed - Google Patents
High-power direct current IP measuring system with direct feed Download PDFInfo
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- CN103941292B CN103941292B CN201410112566.3A CN201410112566A CN103941292B CN 103941292 B CN103941292 B CN 103941292B CN 201410112566 A CN201410112566 A CN 201410112566A CN 103941292 B CN103941292 B CN 103941292B
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Abstract
The invention discloses a high-power direct current IP measuring system with direct feed. The high-power direct current IP measuring system comprises a power supply, a transmitter and a receiver matched with the transmitter. The power supply is connected with the power source end of the transmitter, the power supply is a high-voltage and high-power power source based on a battery, and the transmitter is an intermittent transmitting transmitter. The power supply is formed by connecting a plurality of battery modules in series, wherein fault units of the battery modules can be automatically cut out of the series sequence. The power supply comprises a direct current high-voltage power supply circuit which comprises a low-voltage battery and an isolation DC-DC boosting module, and the low-voltage battery is connected with the power source end of the transmitter through the isolation DC-DC boosting module. The transmitter is provided with a controlled electronic switch K with the load switching function. The power supplying current is large, the transmitting power of the transmitter is high, and the measuring effect is good. The power supplying fault tolerance is good, and reliability is high. The power supplying efficiency is high, energy sources are saved, carrying is convenient, oil does not need to be burned, running cost is low, and the high-power direct current IP measuring system is environmentally friendly.
Description
Technical field
The present invention relates to High Power Ip Method Exploration Domain, more particularly to a kind of high power DC of direct power supply swashs electrical measurement
Amount system.
Background technology
With international, continuous growth of the domestic market to non-ferrous metal demand, a new wheel Mining Development is flourishing emerging
Rise, but the earth's surface exposure ore deposit in China's geographical conditions preferably area has been looked for substantially, it is current look for ore deposit object predominantly latent and
Buried Zang Kuang, this just increased difficulty to geological prospecting, and new requirement is proposed to geophysical exploration.With entering for science and technology
Step, geophysical instrument is also being constantly updated, and new, powerful, stable performance geophysical prospecting equipment is being continued to bring out.
Electrical prospecting（Abbreviation electrical method）It is based on various rocks, the difference of Ore electrical properties in the earth's crust, to observe and grind
Study carefully Natural electromagnetic field, the Distribution dynamics of the room and time of artificial electromagnetic field, the method to reach geological prospecting purpose.It is sharp at present
The electrical properties or physical parameter of rock and Ore mainly have four kinds：Resistivity（ρ）, pcrmeability（μ）, polarizability（η）, with
And dielectric constant（ε）.The advantage of electrical prospecting has：Available physical parameter is more, and field source, device form are more, observation content or
Measurement key element is more, applied range etc..
Resistivity method and induced polarization method in conducting electrical method is to apply wide exploitation method at present.Resistivity method
Refer to by observing and studying the artificial conduction current field exception caused by the difference of geologic objective and shoulder-bed resistivity (SBR)（Or regarding electricity
Resistance rate exception）, with this exploration geology target or the method for looking for ore deposit.Induced polarization method is with electrochemical properties between different rocks, Ore
Difference be material base, feed the exception that the artificial electric current in underground causes induced polarization current field by observing and studying（Or regard
Resistivity anomaly）, with a kind of electrical method of Underground geological condition.Induced polarization method be applied to find metal, nonmetallic minerals,
The aspects such as the property of water-bearing of natural energy source and differentiation water-bearing layer and determination Different Strata.Induced polarization method is according to supply current property
Difference can be divided into two kinds：Direct current（Time domain）Induced polarization method with exchange（Frequency domain）Induced polarization method.DC lasering electric method instrument includes
Power pack（Transmitter）And receiving portion（Receiver）Two parts.Power pack is used to provide double with certain cycle period
To pulse current, receiving portion is used for measurement field voltage, a polarizability etc..
Typical high power swashs electric equipment power supply structure as shown in figure 1,1. electromotor exports 220V alternating currents.2. rectification
Source：220V alternating current power supplys are through transformator and the high direct voltage output supply transmitter of the commutator different gears of generation；Note：Send out
The output when nominal power of motor is pure resistor load, and rectification source is transformer boost, should be regarded as inductive load, therefore
During generator operation, its effective power halves.For example：Transmitter is set to export 5KW power, the nominal work(of selected electromotor
Rate is necessary >=and 10KW can just make the output of transmitter match with the output of electromotor.3. balance the load：Due to big
The high-voltage rectifier power source of power transmitter is that the 220V alternating current power supplys sent by electromotor are provided through transformation, rectification, high straightening
Stream power supply is through bridge with dutycycle as 1：1 square-wave signal is powered to the earth, and within the time stopped power supply, electromotor is in
Light Condition, is also easy to produce driving, unfavorable to electromotor.So within the time of stopping power supply, electromotor is powered to fictitious load, maintain
Electromotor is balanced.It is general first to select balanced load in operation to be maximum, after measuring earth resistance, according to earth resistance size
Adjustment load resistor value, closer to better.
Traditional High Power Ip Method equipment has problem below：
1st, power supply weight is big：
Because transformator uses the equipment such as Industrial Frequency Transformer and balanced load, whole power-supply system weight is very big.With
Under be at present commonly used 5kw and 10kw transmitter supply systems weight and performance parameter：
Output voltage：50V、100V、200V、300V、400V、500V、1000V；
Output waveform duty cycle square wave 1:1；
Time：1～60 second optionally；
Maximum supply current：5/10A；
Peak power output：5/10KW；
Transmitter weight：12kg；
Volume：476×309×247mm3；
Rectifier power source weight：5kW--72kg；10kW--90kg.
Institute's match generator, rectification source are transformer boost, should be regarded as inductive load, therefore during its work of electromotor band, its
Effective power halves, therefore 5kw systems are needed with 10kw electromotors, and the system of 10kw needs to configure 20kw electromotors, according to mesh
Front conventional technique, in 200kg or so, the generator weight of 20kw is typically in 400kg or so for the weight of 10kw electromotors；It is flat
Weighing apparatus load weight：5kw--50kg、10kw--100kg.It can be seen that the gross weight of 5kw electric power systems Jia 50 for 72 Jia 200, it is
322 kilograms；The gross weight of 10kw electric power systems Jia 100 and Jia 400 for 90, is 590 kilograms.
2nd, inefficiency, high energy consumption：
Traditional transmitter belongs to continuous work in transmitting, is calculated with 5A emission currents, 1000V emitting voltages, system
All the time it is not to be released in big ground in the transmission power for consuming 5000W, is exactly released in balanced load, system needs all the time
The dc power of output 5000W, as long as transmitter work, electromotor cannot stop.Calculated within 8 hours with darg, system is needed
Export the direct current energy of 40kwh, the fuel for needing to consume tens of liters for general one day.
3rd, power quality is poor：
It is due to balanced load impedance and resistance to earth can not be can guarantee that just the same, and rectifier power source is the problems such as filter
Exist, the supply voltage of input still has certain fluctuation, and the power supply that transmitter is obtained is not pure, can cause certain unfavorable to detection
Impact.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided it is direct that a kind of power supply is stable and power quality is high
The high power DC current drive measuring system of power supply, using modular assembled battery power supply, detachable carrying is transport, easy to use；
Using controllable batch (-type) radiation pattern, only in receiver ready-to-receive signal, just control opens transmitter by high-power electric arteries and veins
Punching imports the earth, effectively save electric energy.
The purpose of the present invention is achieved through the following technical solutions：The high power DC induced polarization measurement system directly powered
System, it includes power supply, transmitter and the receiver that is engaged with transmitter, the power end phase of power supply and transmitter
Even, described power supply is that, based on the high-power power supply of battery, transmitter is intermittent transmission formula transmitter.
Described power supply is in series by multiple battery modules that can automatically cut off trouble unit, the list for breaking down
Unit can be automatically cut off out tandem sequence.
Described power supply include a high direct voltage power supply circuits, high direct voltage power supply circuits include low tension battery and
Isolation DC-DC boost modules, low tension battery is connected by isolation DC-DC boost modules with the power end of transmitter.
Described power supply includes at least two high direct voltage power supply circuits parallel with one another, and each high direct voltage is powered
Circuit includes respectively low tension battery and isolation DC-DC boost modules, and low tension battery is by isolation DC-DC boost modules and transmitter
Power end connection.
Described transmitter realizes intermittent transmission according to default intermittent transmission program in transmitter.
Intermittent transmission request sending module is provided with described receiver, is provided with receiving the request on transmitter
And the intermittent transmission control module that transmitter realizes intermittent transmission is controlled, communication is passed through between receiver and transmitter
Connection.
On the transmitter that tradition does not possess discontinuous transmission function, it is provided with the controlled electrical with load handoff functionality and opens
K is closed, controlled electronic switch K can be mechanical, also can be the power electronic devices such as igbt electrical switches.
The not moved end of described controlled electronic switch K is connected with the first outfan of transmitter, and the one of controlled electronic switch K
Individual moved end is connected by fixed resistance R with the second outfan of transmitter, and another moved end of controlled electronic switch K passes through electrode
A and electrode B are connected with the second outfan of transmitter, control signal input and the transmitting Energy Saving Control of controlled electronic switch K
Device connects, and transmitting energy-saving controller is connected with the control signal output of receiver.
One end of described controlled electronic switch K is connected with the first outfan of transmitter, and controlled electronic switch K's is another
End is connected by electrode A and electrode B with the second outfan of transmitter, between first outfan and the second outfan of transmitter
Fixed resistance R is parallel with, the control signal input of controlled electronic switch K is connected with transmitting energy-saving controller, launches energy-conservation control
Device processed is connected with the control signal output of receiver.
Modern transmitter typically all possesses output open circuit protecting function, if can't detect output electricity when transmitting
Stream, transmitter will be into open-circuit-protection, no longer output current.If that is traditional transmitter will realize this function, can
To be realized by installing a controlled electronic switch K additional, controlled electronic switch K is mounted in the rear end of transmitter, and two are terminated with one
The resistance R of fixed resistance value.When needing energy-conservation to export, the electric current of transmitter transmitting will not be directly entered the earth, but logical
Cross transmitter and flow through resistance R, now transmitter will not be considered open circuit, will not enter open-circuit-protection state.Needing transmitting big
When power, by pre-set program or the wireless signal opening controlled electronic switch K by far away receiver, will
Highpowerpulse iontophoresis underground.
Transmitting energy-saving controller can realize the control to controlled electronic switch K under the control of receiver.Certainly, launch
Energy-saving controller can also depart from the control of receiver, and according to its built-in control program temporally intermittent transmission is realized.
The invention has the beneficial effects as follows：
1st, measurement effect is good：The bigger measurement effect of electric current for importing underground is better, due to conventional electric generators power limited, especially
It is for energy saving in some Alpine environments, it is impossible to which emission current reaches very big, or altitude environment, electromotor by
Decline in anoxia output, have impact on output.
The present invention adopts battery type power supply, because the internal resistance of cell is low, directly exports in particular by high-tension battery, Ke Yida
To very big discharge current, such as 10 amperes or bigger electric current；And do not affected by height above sea level, and it is such in output
In the case of high current, the voltage drop of set of cells may remain in the range of very little.Because transmission power is multiplied, receive
Machine can just receive higher signal, improve the depth of detection, in the case of receiver resolution identical, due to increasing
The power of transmitting, the quality of data is greatly improved.
2nd, energy saving：Traditional transmitter belongs to continuous work in transmitting, with 5A emission currents, 1000V transmitting electricity
Pressure is calculated, and system is not all the time to be released in big ground in the transmission power for consuming 5000W, is exactly released in balanced load, is
System needs all the time the dc power for exporting 5000W, as long as transmitter work, electromotor cannot stop.In terms of darg 8 hours
Calculate, system needs the direct current energy for exporting 40kwh, the fuel for needing to consume tens of liters for general one day.
The present invention adopts battery for the intelligent transmitter of the energy, using intermittent duty, battery system electricity when not working
Flow for 0, power is also 0.When receiver or programming transmitting, intermittent transmission.In terms of the 100 groups of data acquisitions of mesh the previous day
Calculate, every time transmitting 16 seconds, 1600 seconds launch times are accumulated in 100 transmittings, and under the transmission power of 10A, 1000V, power consumption is less than
5kwh, efficiency is significantly improved, and power supplying efficiency is more preferable.
3rd, convenient in carrying：Without the need for wiring, battery power supply system makes modular construction, and each component is less than 5kg, is easy to
Carry.And traditional electromotor, commutator, balanced load be difficult make be easy to carry module, component all in more than 50kg,
The cost carried in the wild is very high, and difficulty is very big.Especially western plateau and mountains area, major part are from far-off regions, if desired
High Power Ip Method physical prospecting is done, is practically impossible to what is realized by traditional mode of transport, nearly all power supply can not possibly be carried
To detection site, but as far as possible by power supply be transported to range transmitter it is near where, then by wiring be connected to electromotor.Cloth
Line not only lost labor, and it is costly.And having higher line impedance, transmission power is limited.With battery just completely without this
Individual problem.
4th, operating cost is low, without the need for incendiary oil.
5th, reliability height, zmodem：Any one sets in traditional power-supply system electromotor, commutator, balanced load
If standby damage, whole power-supply system all will be unable to normally use.And battery is by the complete phase of many structures for the power supply of the energy
Same battery modules composition, individual module failure can't affect the work of whole system.Geophysical Work environment is often located in
It is remote, if device damage, as a consequence it is hardly possible to obtain accessory in the wild.Battery fault freedom is outstanding, part of module failure
Have no effect on and use, place under repair again or change after can first physical prospecting engineering be finished, more competitive superiority.
6th, environmental protection：Noiselessness when battery operated, without waste gas, belong to green construction.
Description of the drawings
Fig. 1 is High Power Ip Method equipment power supply structural representation in prior art；
Fig. 2 is schematic structural view of the invention；
Fig. 3 is the power supply structural representation frame being in series using multiple battery modules that can automatically cut off trouble unit
Figure；
Fig. 4 is the power supply structural representation frame for adding isolation DC-DC boost module Parallel opertations using multiple low tension batteries
Figure；
Fig. 5 is batch (-type) transmitter the first the embodiment structural representation based on controlled electronic switch K；
Fig. 6 is based on second embodiment structural representation of batch (-type) transmitter of controlled electronic switch K.
Specific embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
Described below.
As shown in Fig. 2 directly power supply high power DC current drive measuring system, it include power supply, transmitter and with
The receiver that transmitter is engaged, power supply is connected with the power end of transmitter, and described power supply is based on battery
High-power power supply, transmitter is intermittent transmission formula transmitter.
As shown in figure 3, power supply can be in series by multiple battery modules that can automatically cut off trouble unit, there is event
The unit of barrier can be automatically cut off out tandem sequence.Each battery unit two ends is connected with battery unit inspection by photoisolator
Module is surveyed, the both positive and negative polarity of each battery is connected respectively with two moved end contacts of a two road interlock switchs, two road interlock switchs
Not moved end and adjacent battery unit negative pole connection by battery cells in series；Battery unit detection module and two road interlock switchs
Control signal input connection.When detecting a certain battery unit failure, two road interlock switchs of control are switched to and the battery
The connected contact of unit negative pole, by the battery unit short circuit, so as to reach the purpose of excision trouble unit.
Described power supply may include a high direct voltage power supply circuits, and high direct voltage power supply circuits include low tension battery
With isolation DC-DC boost modules, low tension battery by isolation DC-DC boost modules be connected with the power end of transmitter.
As shown in figure 4, power supply can include at least two high direct voltage power supply circuits parallel with one another, each direct current
High-voltage power supply circuit includes respectively low tension battery and isolation DC-DC boost modules, and low tension battery is by isolating DC-DC boost modules
It is connected with the power end of transmitter.
In order to realize intermittent transmission, transmitter can realize intermittent transmission according to default intermittent transmission program in transmitter.
Intermittent transmission request sending module can also be set on the receiver, and arranging on transmitter can receive the request simultaneously
Control transmitter realizes the intermittent transmission control module of intermittent transmission, is connected by communication between receiver and transmitter
Connect.
On the transmitter that tradition does not possess discontinuous transmission function, the controlled electrical with load handoff functionality can be set
Switch K, controlled electronic switch K can be mechanical, also can be the power electronic devices such as igbt electrical switches.
As a kind of embodiment of the present invention, as shown in figure 5, the of the not moved end of controlled electronic switch K and transmitter
One outfan connects, and a moved end of controlled electronic switch K is connected with the second outfan of transmitter by fixed resistance R, is received
Another moved end of control electrical switch K is connected by electrode A and electrode B with the second outfan of transmitter, controlled electronic switch K
Control signal input be connected with transmitting energy-saving controller, launch the control signal output company of energy-saving controller and receiver
Connect, launch the communication preferred wireless communication mode between energy-saving controller and receiver.
Modern transmitter typically all possesses output open circuit protecting function, if can't detect output electricity when transmitting
Stream, transmitter will be into open-circuit-protection, no longer output current.If that is traditional transmitter will realize this function, can
To be realized by installing a controlled electronic switch K additional, controlled electronic switch K is mounted in the rear end of transmitter, and two are terminated with one
The resistance R of fixed resistance value.When needing energy-conservation to export, the moved end of controlled electronic switch K is connected on resistance R, and transmitter is sent out
The electric current I1 for penetrating will not be directly entered the earth, but flow through resistance R by transmitter, and now transmitter will not be considered open circuit,
Open-circuit-protection state will not be entered.When high-power transmitting is needed, connect by pre-set program or by distant place
The wireless control signal of receipts machine opens controlled electronic switch K by transmitting energy-saving controller, and the moved end of controlled electronic switch K is connected to
In electrode B, by highpowerpulse iontophoresis underground, electric current I2 is by electrode A, B to ground discharge.
As another embodiment of the present invention, as shown in fig. 6, the of one end of controlled electronic switch K and transmitter
One outfan connects, and the other end of controlled electronic switch K is connected by electrode A and electrode B with the second outfan of transmitter, is sent out
Penetrate and fixed resistance R is parallel between the first outfan of machine and the second outfan, the control signal input of controlled electronic switch K
It is connected with transmitting energy-saving controller, transmitting energy-saving controller is connected with the control signal output of receiver, launches Energy Saving Control
Communication preferred wireless communication mode between device and receiver.
Modern transmitter typically all possesses output open circuit protecting function, if can't detect output electricity when transmitting
Stream, transmitter will be into open-circuit-protection, no longer output current.If that is traditional transmitter will realize this function, can
To be realized by installing a controlled electronic switch K additional, controlled electronic switch K is mounted in the rear end of transmitter, and two are terminated with one
The resistance R of fixed resistance value.When needing energy-conservation to export, controlled electronic switch K is disconnected, the electric current of transmitter transmitting will not be straight
Tap into into the earth, but resistance R is flow through by transmitter, now transmitter will not be considered open circuit, will not enter open-circuit-protection
State.When needing to launch powerful, beat by pre-set program or by the wireless signal of far away receiver
Controlled electronic switch K is opened, controlled electronic switch K is closed, by highpowerpulse iontophoresis underground.
It should be noted that in above two scheme, transmitting energy-saving controller is realized to controlled under the control of receiver
The control of electrical switch K.Certainly, launching energy-saving controller can also depart from the control of receiver, according to its built-in control journey
Sequence Separation control controlled electronic switch K at preset timed intervals, so as to realize intermittent transmission.
The above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form, is not to be taken as the exclusion to other embodiment, and can be used for various other combinations, modification and environment, and can be at this
In the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are entered
Capable change and change, then all should be in the protection domains of claims of the present invention without departing from the spirit and scope of the present invention
It is interior.
Claims (7)
1. the high power DC current drive measuring system directly powered, it is characterised in that：It include power supply, transmitter and with send out
The receiver that the machine of penetrating is engaged, power supply is connected with the power end of transmitter, and described power supply is based on the height of battery
Pressure large power supply, transmitter is intermittent transmission formula transmitter；
The controlled electronic switch K with load handoff functionality is provided with described transmitter；
Controlled electronic switch K has following two connected modes：
（1）The not moved end of described controlled electronic switch K is connected with the first outfan of transmitter, and the one of controlled electronic switch K
Individual moved end is connected by fixed resistance R with the second outfan of transmitter, and another moved end of controlled electronic switch K passes through electrode
A and electrode B are connected with the second outfan of transmitter, control signal input and the transmitting Energy Saving Control of controlled electronic switch K
Device connects, and transmitting energy-saving controller is connected with the control signal output of receiver；
（2）One end of described controlled electronic switch K is connected with the first outfan of transmitter, and controlled electronic switch K's is another
End is connected by electrode A and electrode B with the second outfan of transmitter, between first outfan and the second outfan of transmitter
Fixed resistance R is parallel with, the control signal input of controlled electronic switch K is connected with transmitting energy-saving controller, launches energy-conservation control
Device processed is connected with the control signal output of receiver.
2. the high power DC current drive measuring system of direct power supply according to claim 1, it is characterised in that：Described confession
Power supply is in series by multiple battery modules that can automatically cut off trouble unit, and the unit for breaking down can be automatically cut off out
Tandem sequence.
3. the high power DC current drive measuring system of direct power supply according to claim 1, it is characterised in that：Described confession
Power supply includes a high direct voltage power supply circuits, and high direct voltage power supply circuits include that low tension battery and isolation DC-DC rise pressing mold
Block, low tension battery is connected by isolation DC-DC boost modules with the power end of transmitter.
4. the high power DC current drive measuring system of direct power supply according to claim 1, it is characterised in that：Described confession
Power supply includes at least two high direct voltage power supply circuits parallel with one another, and each high direct voltage power supply circuits includes respectively low pressure
Battery and isolation DC-DC boost modules, low tension battery is connected by isolation DC-DC boost modules with the power end of transmitter.
5. the high power DC current drive measuring system of direct power supply according to claim 1, it is characterised in that：Described sends out
Penetrate machine and intermittent transmission is realized according to default intermittent transmission program in transmitter.
6. the high power DC current drive measuring system of direct power supply according to claim 1, it is characterised in that：Described connects
Intermittent transmission request sending module is provided with receipts machine, reception is provided with transmitter, and this asks and control transmitter realization
The intermittent transmission control module of intermittent transmission, is connected between receiver and transmitter by communication.
7. the high power DC current drive measuring system of direct power supply according to claim 1, it is characterised in that：Described receives
Control electrical switch K includes mechanical switch or igbt electrical switches.
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| CN201410112566.3A CN103941292B (en) | 2014-03-25 | 2014-03-25 | High-power direct current IP measuring system with direct feed |
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| CN103941292B true CN103941292B (en) | 2017-04-26 |
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| US6236212B1 (en) * | 1998-06-22 | 2001-05-22 | The United States Of America As Represented By The Secretary Of The Interior | Induced polarization system using towed cable carrying transmitters and receivers for identifying minerals on the ocean floor |
| US6404203B1 (en) * | 1999-10-22 | 2002-06-11 | Advanced Geosciences, Inc. | Methods and apparatus for measuring electrical properties of a ground using an electrode configurable as a transmitter or receiver |
| CN1544960A (en) * | 2003-11-25 | 2004-11-10 | 中国地质大学（北京） | Broad-spectrum IP measurement system and measurement method |
| CN102809763A (en) * | 2012-08-10 | 2012-12-05 | 中国地质科学院地球物理地球化学勘查研究所 | Un-grounded induced-polarization measuring method and un-grounded induced-polarization instrument |
| CN203909311U (en) * | 2014-03-25 | 2014-10-29 | 四川赛高斯科技有限公司 | Direct feed type high-power DC excitation power measuring device |
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| CN103941292A (en) | 2014-07-23 |
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