CN104749646B - Mining wireless wave penetration system high voltage emitter - Google Patents
Mining wireless wave penetration system high voltage emitter Download PDFInfo
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- CN104749646B CN104749646B CN201510199471.4A CN201510199471A CN104749646B CN 104749646 B CN104749646 B CN 104749646B CN 201510199471 A CN201510199471 A CN 201510199471A CN 104749646 B CN104749646 B CN 104749646B
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- emitter
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Abstract
Mining wireless wave penetration system high voltage emitter of the present invention, belongs to the technical field of radio wave penetration system emitter；The technical problem of solution is：A kind of mining wireless wave penetration system high voltage emitter having compared with high emission power is provided；The technical scheme used for：Mining wireless wave penetration system high voltage emitter, including：Emitter, the low-voltage for also including being used to export in emitter is changed into high-tension tuning part and for launching the high-tension transmitting coil after tuning, the output end of the emitter is connected by interface F1 with the input of tuning part, the output end of the tuning part is connected by interface F2 with transmitting coil, and resonance section, interface F1 and interface F2 are integrated by silica gel encapsulation；The present invention is applied to radio wave penetration system field.
Description
Technical field
Mining wireless wave penetration system high voltage emitter of the present invention, belongs to the skill of radio wave penetration system emitter
Art field.
Background technology
With the raising of coal mine machinery coal-mining technique, move towards greatly, the wide fully-mechanized mining working in face of growing up extremely coal mining enterprise
Favor, in addition to safety coal extraction technology is improved, can geological structure preservation situation in accurate forecast fully-mechanized mining working, be restriction mine
One of key of high-yield and high-efficiency safety in production；There is the working face fluoroscopic apparatus of two major classes on the market at present：Earthquake class and electromagnetism class,
The resolution ratio and precision of the mining CT instruments of earthquake class are high compared with electromagnetism class, but earthquake class system architecture is huge, difficulty of construction
Greatly, the popularization of earthquake class is caused larger with promoting difficulty；And Electromagnetic perspective technology has quick, light and cost low excellent
Point, when its general principle is that electromagnetic wave is propagated in subterranean strata, due to the electrical difference of various rocks, ore, they are to electricity
Magnetic wave energy absorbs different, and low-resistance rock stratum has stronger absorption to electromagnetic wave, when ripple direction of advance runs into rift structure
During the interface occurred, electromagnetic wave will produce reflection and refraction action on interface, also result in the loss of energy；Therefore, in ore deposit
Underground, electromagnetic wave is passed through in the way of coal seam when running into tomography, karst collapse col umn or other constructions, and wave energy will be absorbed or be shielded completely
Cover, then will receive small-signal in reception tunnel or can not receive transmission signal, form so-called perspective exception, adopted by research
Area coal seam, various constructions and geologic body are abnormal to the various Radio Penetrations caused by the influence of electromagnetic wave, so as to carry out ground
Matter is inferred and explained.
Early in nineteen seventies, China's first generation mine electromagnetic wave scenograph is born and should taken in underground coal mine
Preliminary Results were obtained, by more than 30 years update, application effect was more and more obvious, but due to emitter transmission power not
It is enough, there is obvious shortcoming in implementation process：（1）Detection accuracy is not high；（2）Detection range is depended on to be situated between by spy working face
Matter, work surface resistivity is high, and detection range is just big, conversely, work surface resistivity is low, detection range is just small；（3）Worked during construction
Face must have a power failure, influence production.
The content of the invention
The present invention overcomes the shortcomings of that prior art is present, and technical problem to be solved is：There is provided a kind of with more occurred frequently
Penetrate the mining wireless wave penetration system high voltage emitter of power.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：Mining wireless wave penetration system high voltage
Emitter, including：Emitter, in addition to low-voltage for emitter to be exported are changed into high-tension tuning part and use
High-tension transmitting coil after transmitting tuning, the output end of the emitter passes through interface F1 and the input of tuning part
It is connected, the output end of the tuning part is connected by interface F2 with transmitting coil.
The tuning part includes：Coupling transformer T1, compensation capacitor C1 and adjustable condenser C2, the coupling transformation
Device T1 primary side is connected with interface F1, and the primary side of the coupling transformer T1 is connected with interface F2, the compensation capacitor
C1 is connected between coupling transformer T1 and interface F2, and the adjustable condenser C2 is attempted by compensation capacitor C1 two ends；Institute
Coupling transformer T1, compensation capacitor C1, adjustable condenser C2, interface F1 and interface F2 is stated to be integrated by silica gel encapsulation；Institute
Stating coupling transformer T1 includes magnet ring, enamel-covered wire, and one side of magnet ring is closely wound 5 ~ 50 circles to form coupling transformation by enamel-covered wire
Device T1 primary coil, the another side of magnet ring is closely wound 5 ~ 50 circles to form coupling transformer T1 secondary wire by enamel-covered wire
Circle；The voltage waveform of the emitter output is sine wave, and the span of frequency of oscillation is 65KHz ~ 2.0MHz, voltage peak
Span be 5.0V ~ 20V；The rated voltage of the adjustable condenser C2 be 2000V, range of capacity values be 330pF ~
1000pF；The rated voltage of the compensation capacitor C1 is 2000V, and range of capacity values is 22pF ~ 10000pF；The emission lines
Enclose as square, the span of the length of side is 1.0 ~ 3.5 meters, the number of turn is 2 ~ 20 circles, operating voltage is 500V ~ 2000V.
The present invention has the advantages that compared with prior art：
Mining wireless wave penetration system high voltage emitter in the present invention, including：Emitter, in addition to for that will send out
The low-voltage for penetrating machine output is changed into high-tension tuning part and for launching the high-tension transmitting coil after tuning, transmitting
The output end of machine is connected by interface F1 with the input of tuning part, and the output end of tuning part passes through interface F2 and emission lines
Circle is connected, and emitter exports very low sine voltage to tuning part during work, and the low-voltage is tuned to height by tuning part
Launched after voltage by transmitting coil, the emitter that can only launch small voltage originally is launched larger voltage,
So as to increase substantially emitting voltage increase detection range, the limitation of tested working face medium is reduced, underground coal mine work is met
The wide detection in the various faces in face；Simultaneously coupling transformer T1, compensation capacitor C1, adjustable condenser C2, interface F1 and interface F2
It is integrated by silica gel encapsulation, it is ensured that required as defined in coal peace.
Brief description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings；
Fig. 1 is electrical block diagram of the invention；
Wherein：1 is emitter, and 2 be tuning part, and 3 be transmitting coil.
Embodiment
As shown in figure 1, mining wireless wave penetration system high voltage emitter, including：Emitter 1, in addition to for inciting somebody to action
The low-voltage that emitter 1 is exported is changed into high-tension tuning part 2 and for launching the high-tension transmitting coil after tuning
3, the output end of the emitter 1 is connected by interface F1 with the input of tuning part 2, the output end of the tuning part 2
It is connected by interface F2 with transmitting coil 3, in the present embodiment, interface F1 can be connected with tuning part 2 by launching cable, specifically
Ground, transmitting cable can be 1.5 meters of twin-core coal wire arrangement cable.
Specifically, tuning part 2 includes：Coupling transformer T1, compensation capacitor C1 and adjustable condenser C2, the coupling
Transformer T1 primary side is connected with interface F1, and the primary side of the coupling transformer T1 is connected with interface F2, the compensation electricity
Container C1 is connected between coupling transformer T1 and interface F2, and the adjustable condenser C2 is attempted by the two of compensation capacitor C1
End, further, the coupling transformer T1, compensation capacitor C1, adjustable condenser C2, interface F1 and interface F2 pass through silica gel
Encapsulation is integrated, and the coupling transformer T1 includes magnet ring, enamel-covered wire, one side of magnet ring by enamel-covered wire be closely wound 5 ~ 50 circles with
Coupling transformer T1 primary coil is formed, the another side of magnet ring is closely wound 5 ~ 50 circles to form coupling transformer by enamel-covered wire
T1 secondary coil, so exported both high-pressure tuner circuit and emitter stage 1 and has kept isolate, in order to avoid overtension infringement emitter
1, impedance matching can be played a part of again；The voltage waveform that the emitter 1 is exported is sine wave, the span of frequency of oscillation
For 65KHz ~ 2.0MHz, the span of voltage peak is 5.0V ~ 20V, and the rated voltage of the adjustable condenser C2 is
2000V, range of capacity values is 330pF ~ 1000pF, and the rated voltage of the compensation capacitor C1 is 2000V, and range of capacity values is
22pF ~ 10000pF, the transmitting coil 3 is square, and the span of the length of side is 1.0 ~ 3.5 meters, and the number of turn is 2 ~ 20 circles, work
Make voltage for 500V ~ 2000V.
In the present embodiment, the exportable frequency of emitter 1 is the sine wave that 1MHz, voltage peak-to-peak value are 15V, tuned part
After 2 tunings, it is the sine wave that 1MHz, voltage peak-to-peak value are 1100V that can produce frequency, and interface F1 is connected using the twin-core of standard
The primary coil of coupling transformer T1 in device, the low-voltage sine wave that primary recipient is transmitted from emitter 1, the present embodiment and time
Level coil can be set to 20 circles, and the specification of magnet ring is the mm of ferrite 10.2mm × 5.08 × 3.96 mm, coupling transformer T1
The tuning circuit of generation high pressure is isolated with emitter 1, while playing impedance matching；Compensation electricity in the present embodiment
Container C1 capacitance can be set to 33pF, play a part of to expand range of regulation, adjustable condenser C2 capacitance can be set to 540pF, adjust
The voltage peak-to-peak value of the launched high pressure sine wave of section, adjustable condenser C2 rotation is pressed clockwise or counterclockwise during regulation
Button, it can be observed how the regulation situation of emitting voltage value from emitter 1；The peak-to-peak voltage value scope that the present embodiment is tuned is
0V-1100V, its emission current value scope is 0mA-350mA, and the number of turn of transmitting coil 3 can be set to 2 circles；In addition, will coupling
When transformer T1, compensation capacitor C1, adjustable condenser C2, interface F1 and interface F2 encapsulations are integrated, it should in strict accordance with coal
Safety is performed surely, during designed lines plate, and the spacing between wiring ensures in more than 1mm, and the gap of putting of each element ensures
More than 1mm, is then just fully poured with silica gel.
The mining wireless wave penetration system high voltage emitter of the present invention, solves existing emitter detection accuracy
Low, detection range is short and construction is the problem of will have a power failure, with prominent substantive distinguishing features and significant progressive；Above in conjunction with accompanying drawing
Embodiments of the invention are explained in detail, but the present invention is not limited to above-described embodiment, in ordinary skill people
, can also various changes can be made on the premise of present inventive concept is not departed from the knowledge that possesses of member.
Claims (6)
1. mining wireless wave penetration system high voltage emitter, including：Emitter（1）, it is characterised in that：Also include being used to incite somebody to action
Emitter（1）The low-voltage of output is changed into high-tension tuning part（2）With for launch tuning after high-tension transmitting
Coil（3）, the emitter（1）Output end pass through interface F1 and tuning part（2）Input be connected, the tuning part
（2）Output end pass through interface F2 and transmitting coil（3）It is connected；
The tuning part（2）Including：Coupling transformer T1, compensation capacitor C1 and adjustable condenser C2, the coupling transformation
Device T1 primary side is connected with interface F1, and the primary side of the coupling transformer T1 is connected with interface F2, the compensation capacitor
C1 is connected between coupling transformer T1 and interface F2, and the adjustable condenser C2 is attempted by compensation capacitor C1 two ends；
The coupling transformer T1, compensation capacitor C1, adjustable condenser C2, interface F1 and interface F2 are one by silica gel encapsulation
Body.
2. mining wireless wave penetration system high voltage emitter according to claim 1, it is characterised in that：The coupling
Transformer T1 includes magnet ring, enamel-covered wire, and one side of magnet ring is closely wound 5 ~ 50 circles to form coupling transformer T1's by enamel-covered wire
Primary coil, the another side of magnet ring is closely wound 5 ~ 50 circles to form coupling transformer T1 secondary coil by enamel-covered wire.
3. mining wireless wave penetration system high voltage emitter according to claim 1, it is characterised in that：The transmitting
Machine（1）The voltage waveform of output is sine wave, and the span of frequency of oscillation is 65KHz ~ 2.0MHz, the value model of voltage peak
Enclose for 5.0V ~ 20V.
4. mining wireless wave penetration system high voltage emitter according to claim 1, it is characterised in that：It is described adjustable
Capacitor C2 rated voltage is 2000V, and range of capacity values is 330pF ~ 1000pF.
5. mining wireless wave penetration system high voltage emitter according to claim 1, it is characterised in that：The compensation
Capacitor C1 rated voltage is 2000V, and range of capacity values is 22pF ~ 10000pF.
6. mining wireless wave penetration system high voltage emitter according to claim 1, it is characterised in that：The transmitting
Coil（3）For square, the span of the length of side is 1.0 ~ 3.5 meters, and the number of turn is 2 ~ 20 circles, and operating voltage is 500V ~ 2000V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510199471.4A CN104749646B (en) | 2015-04-24 | 2015-04-24 | Mining wireless wave penetration system high voltage emitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510199471.4A CN104749646B (en) | 2015-04-24 | 2015-04-24 | Mining wireless wave penetration system high voltage emitter |
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| Publication Number | Publication Date |
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| CN104749646A CN104749646A (en) | 2015-07-01 |
| CN104749646B true CN104749646B (en) | 2017-09-29 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110568509A (en) * | 2019-10-08 | 2019-12-13 | 福州华虹智能科技股份有限公司 | high-power radio wave perspective appearance emitter |
| CN113725588A (en) * | 2021-08-31 | 2021-11-30 | 中煤科工集团重庆研究院有限公司 | Multi-frequency antenna combination structure and method for mining radio wave perspective |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928889A (en) * | 2012-11-08 | 2013-02-13 | 中国矿业大学 | Integrative radio wave perspective exploration instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120212351A1 (en) * | 2011-02-17 | 2012-08-23 | Hu Wenbao | High-power electromagnetic pulse launcher in well |
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2015
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928889A (en) * | 2012-11-08 | 2013-02-13 | 中国矿业大学 | Integrative radio wave perspective exploration instrument |
Non-Patent Citations (2)
| Title |
|---|
| "无线电波透视在煤矿中的应用";高一峰;《物探与化探》;20071031;第31卷;第105-107页 * |
| "煤矿综采工作面无线电波透视技术研究";肖玉林;《中国优秀硕士学位论文全文数据库-基础科学辑》;20120615(第6期);正文第28页 * |
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