CN104749646A - High-voltage transmitting device for mining radio wave perspective instrument - Google Patents
High-voltage transmitting device for mining radio wave perspective instrument Download PDFInfo
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- CN104749646A CN104749646A CN201510199471.4A CN201510199471A CN104749646A CN 104749646 A CN104749646 A CN 104749646A CN 201510199471 A CN201510199471 A CN 201510199471A CN 104749646 A CN104749646 A CN 104749646A
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Abstract
The invention discloses a high-voltage transmitting device for a mining radio wave perspective instrument and belongs to the technical field of a transmitting device for the radio wave perspective instrument. The invention provides the high-voltage transmitting device with higher transmitting power for the mining radio wave perspective instrument. The technical scheme adopted by the invention is that the high-voltage transmitting device for the mining radio wave perspective instrument comprises a transmitter, a tuning component and a transmitting coil, wherein the tuning component is used for converting low voltage outputted by the transmitter into high voltage; the transmitting coil is used for transmitting the tuned high voltage; the output end of the transmitter is connected with the input end of the tuning component through an interface F1; the output end of the tuning component is connected with the transmitting coil through an interface F2; the tuning component, the interface F1 and the interface F2 are encapsulated into a whole by silica gel. The high-voltage transmitting device disclosed by the invention is suitable for the field of the radio wave perspective instrument.
Description
Technical field
Mining wireless wave penetration system high voltage emitter of the present invention, belongs to the technical field of radio wave penetration system emitter.
Background technology
Along with the raising of coal mine machinery coal-mining technique, the favor of large trend, face width of growing up fully-mechanized mining working extremely coal mining enterprise, except raising safety coal extraction technology, can compose and deposit situation by tectonic structure in accurate forecast fully-mechanized mining working, be one of key of restriction mine high-yield and high-efficiency safety in production; There is the workplace fluoroscopic apparatus of two large classes at present on the market: earthquake class and electromagnetism class, the resolution of the mining CT instrument of earthquake class and precision want high compared with electromagnetism class, but earthquake type systematic framework is huge, difficulty of construction is large, causes the universal of earthquake class larger with popularization difficulty; And Electromagnetic perspective technology has quick, light and low cost and other advantages, its ultimate principle is that electromagnetic wave when propagating in subterranean strata, due to the difference that various rock, ore are electrical, they absorb different to electromagnetic wave energy, low-resistance rock stratum has stronger absorption to electromagnetic wave, when ripple working direction runs into the interface that rift structure occurs, electromagnetic wave will produce reflection and refraction action on interface, also cause the loss of energy; Therefore, under mine, electromagnetic wave is through when running into tomography, karst collapse col umn or other structure in way, coal seam, wave energy will be absorbed or conductively-closed completely, then will receive feeble signal in reception tunnel or can not receive transmission signal, form so-called perspective abnormal, the various Radio Penetrations caused electromagnetic impact by research coal seam, exploiting field, various structure and geologic body are abnormal, thus carry out geology deduction and explanation.
As far back as nineteen seventies, China's first generation mine electric magnetic wave scenograph is born and should in underground coal mine, achieve Preliminary Results, through updating of three more than ten years, effect is more and more obvious, but because transmitter emissive power is inadequate, in implementation process, there is obvious shortcoming: (1) detection accuracy is not high; (2) detection range depends on by spy workplace medium, and workplace resistivity is high, and detection range is just large, otherwise workplace resistivity is low, and detection range is just little; (3) during construction, workplace must have a power failure, and impact is produced.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical matters to be solved is: provide a kind of mining wireless wave penetration system high voltage emitter with high transmit power.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: mining wireless wave penetration system high voltage emitter, comprise: transmitter, the low-voltage also comprised for transmitter is exported change high-tension tuning part into and be used for launching tuning after high-tension transmitting coil, the output terminal of described transmitter is connected with the input end of tuning part by interface F1, and the output terminal of described tuning part is connected with transmitting coil by interface F2.
Described tuning part comprises: coupling transformer T1, compensation condenser C1 and adjustable condenser C2, the primary side of described coupling transformer T1 is connected with interface F1, the primary side of described coupling transformer T1 is connected with interface F2, described compensation condenser C1 is connected between coupling transformer T1 and interface F2, and described adjustable condenser C2 is attempted by the two ends of compensation condenser C1; Described coupling transformer T1, compensation condenser C1, adjustable condenser C2, interface F1 and interface F2 are integrated by silica gel encapsulation; Described coupling transformer T1 comprises magnet ring, enameled wire, magnet ring be closely wound around 5 ~ 50 circles by enameled wire to form the primary coil of coupling transformer T1, the another side of magnet ring is closely wound around 5 ~ 50 circles to form the secondary coil of coupling transformer T1 by enameled wire; The voltage waveform that described transmitter exports is sinusoidal wave, and the span of oscillation frequency is 65KHz ~ 2.0MHz, and the span of voltage peak is 5.0V ~ 20V; The rated voltage of described adjustable condenser C2 is 2000V, and range of capacity values is 330pF ~ 1000pF; The rated voltage of described compensation condenser C1 is 2000V, and range of capacity values is 22pF ~ 10000pF; Described transmitting coil 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, and operating voltage is 500V ~ 2000V.
The present invention compared with prior art has following beneficial effect:
Mining wireless wave penetration system high voltage emitter in the present invention, comprise: transmitter, the low-voltage also comprised for transmitter is exported change high-tension tuning part into and be used for launching tuning after high-tension transmitting coil, the output terminal of transmitter is connected with the input end of tuning part by interface F1, the output terminal of tuning part is connected with transmitting coil by interface F2, during work, transmitter exports very low sine voltage to tuning part, tuning part is launched by transmitting coil after this low-voltage is tuned to high voltage, the transmitter originally can only launching small voltage is enable to launch larger voltage, thus increase substantially emitting voltage increase detection range, reduce the restriction of tested workplace medium, meet the detection of the various face width of underground coal mine workplace, coupling transformer T1, compensation condenser C1, adjustable condenser C2, interface F1 and interface F2 are integrated by silica gel encapsulation simultaneously, ensure that the requirement that coal safety is fixed.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail;
Fig. 1 is electrical block diagram of the present invention;
Wherein: 1 is transmitter, 2 is tuning part, and 3 is transmitting coil.
Embodiment
As shown in Figure 1, mining wireless wave penetration system high voltage emitter, comprise: transmitter 1, the low-voltage also comprised for transmitter 1 is exported change high-tension tuning part 2 into and be used for launching tuning after high-tension transmitting coil 3, the output terminal of described transmitter 1 is connected with the input end of tuning part 2 by interface F1, the output terminal of described tuning part 2 is connected with transmitting coil 3 by interface F2, in the present embodiment, interface F1 is connected by launching cable with tuning part 2, particularly, the twin-core coal wire arrangement cable that cable can be 1.5 meters is launched.
Particularly, tuning part 2 comprises: coupling transformer T1, compensation condenser C1 and adjustable condenser C2, the primary side of described coupling transformer T1 is connected with interface F1, the primary side of described coupling transformer T1 is connected with interface F2, described compensation condenser C1 is connected between coupling transformer T1 and interface F2, described adjustable condenser C2 is attempted by the two ends of compensation condenser C1, further, described coupling transformer T1, compensation condenser C1, adjustable condenser C2, interface F1 and interface F2 is integrated by silica gel encapsulation, described coupling transformer T1 comprises magnet ring, enameled wire, magnet ring while be closely wound around 5 ~ 50 circles to form the primary coil of coupling transformer T1 by enameled wire, the another side of magnet ring is closely wound around 5 ~ 50 circles to form the secondary coil of coupling transformer T1 by enameled wire, so both make high-pressure tuner circuit and emitter 1 export to keep isolating, in order to avoid overtension infringement transmitter 1, the effect of impedance matching can be played again, the voltage waveform that described transmitter 1 exports is sinusoidal wave, the span of oscillation frequency is 65KHz ~ 2.0MHz, the span of voltage peak is 5.0V ~ 20V, and the rated voltage of described adjustable condenser C2 is 2000V, and range of capacity values is 330pF ~ 1000pF, the rated voltage of described compensation condenser C1 is 2000V, range of capacity values is 22pF ~ 10000pF, and described transmitting coil 3 is square, and the span of the length of side is 1.0 ~ 3.5 meters, the number of turn is 2 ~ 20 circles, and operating voltage is 500V ~ 2000V.
In the present embodiment, the exportable frequency of transmitter 1 is 1MHz, Voltage Peak peak value is the sine wave of 15V, after tuning part 2 is tuning, can produce frequency is 1MHz, Voltage Peak peak value is the sine wave of 1100V, interface F1 adopts the dual fiber connectors of standard, the low-voltage that primary recipient transmits from transmitter 1 is sinusoidal wave, primary coil and the secondary coil of the coupling transformer T1 in the present embodiment all can be decided to be 20 circles, the specification of magnet ring is ferrite 10.2mm × 5.08 mm × 3.96 mm, this coupling transformer T1 isolates the tuned circuit and transmitter 1 producing high pressure, play impedance matching simultaneously, the capacitance of the compensation condenser C1 in the present embodiment can be decided to be 33pF, play a part to expand range of regulation, the capacitance of adjustable condenser C2 can be decided to be 540pF, regulate the Voltage Peak peak value of the high pressure sine wave launched, during adjustment clockwise or be rotated counterclockwise the rotary knob of adjustable condenser C2, the adjustment situation of emitting voltage value can be observed out from transmitter 1, the tuning peak-to-peak voltage value scope of the present embodiment is 0V-1100V, and its transmitter current value scope is 0mA-350mA, and the number of turn of transmitting coil 3 can be decided to be 2 circles, in addition, when coupling transformer T1, compensation condenser C1, adjustable condenser C2, interface F1 and interface F2 encapsulation are integrated, surely should perform in strict accordance with coal safety, during designed lines plate, spacing between wiring ensures at more than 1mm, the gap of putting of each element ensures at more than 1mm, then just fully waters with silica gel.
Mining wireless wave penetration system high voltage emitter of the present invention, solves the problem that existing emitter detection accuracy is low, detection range is short and construction will have a power failure, and has outstanding substantive distinguishing features and significant progress; By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, also can makes various change under the prerequisite not departing from present inventive concept.
Claims (8)
1. mining wireless wave penetration system high voltage emitter, comprise: transmitter (1), it is characterized in that: the low-voltage also comprised for transmitter (1) is exported change into high-tension tuning part (2) and for launch tuning after high-tension transmitting coil (3), the output terminal of described transmitter (1) is connected with the input end of tuning part (2) by interface F1, and the output terminal of described tuning part (2) is connected with transmitting coil (3) by interface F2.
2. mining wireless wave penetration system high voltage emitter according to claim 1, it is characterized in that: described tuning part (2) comprising: coupling transformer T1, compensation condenser C1 and adjustable condenser C2, the primary side of described coupling transformer T1 is connected with interface F1, the primary side of described coupling transformer T1 is connected with interface F2, described compensation condenser C1 is connected between coupling transformer T1 and interface F2, and described adjustable condenser C2 is attempted by the two ends of compensation condenser C1.
3. mining wireless wave penetration system high voltage emitter according to claim 2, is characterized in that: described coupling transformer T1, compensation condenser C1, adjustable condenser C2, interface F1 and interface F2 are integrated by silica gel encapsulation.
4. mining wireless wave penetration system high voltage emitter according to claim 2, it is characterized in that: described coupling transformer T1 comprises magnet ring, enameled wire, magnet ring while be closely wound around 5 ~ 50 circles to form the primary coil of coupling transformer T1 by enameled wire, the another side of magnet ring is closely wound around 5 ~ 50 circles to form the secondary coil of coupling transformer T1 by enameled wire.
5. mining wireless wave penetration system high voltage emitter according to claim 2, it is characterized in that: the voltage waveform that described transmitter (1) exports is for sinusoidal wave, the span of oscillation frequency is 65KHz ~ 2.0MHz, and the span of voltage peak is 5.0V ~ 20V.
6. mining wireless wave penetration system high voltage emitter according to claim 2, is characterized in that: the rated voltage of described adjustable condenser C2 is 2000V, and range of capacity values is 330pF ~ 1000pF.
7. mining wireless wave penetration system high voltage emitter according to claim 2, is characterized in that: the rated voltage of described compensation condenser C1 is 2000V, and range of capacity values is 22pF ~ 10000pF.
8. mining wireless wave penetration system high voltage emitter according to claim 2, is characterized in that: described 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, and operating voltage is 500V ~ 2000V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510199471.4A CN104749646B (en) | 2015-04-24 | 2015-04-24 | Mining wireless wave penetration system high voltage emitter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510199471.4A CN104749646B (en) | 2015-04-24 | 2015-04-24 | Mining wireless wave penetration system high voltage emitter |
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| CN104749646A true CN104749646A (en) | 2015-07-01 |
| CN104749646B CN104749646B (en) | 2017-09-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| US20120212351A1 (en) * | 2011-02-17 | 2012-08-23 | Hu Wenbao | High-power electromagnetic pulse launcher in well |
| CN102928889A (en) * | 2012-11-08 | 2013-02-13 | 中国矿业大学 | Integrative radio wave perspective exploration instrument |
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2015
- 2015-04-24 CN CN201510199471.4A patent/CN104749646B/en not_active Expired - Fee Related
Patent Citations (2)
| 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 |
| CN102928889A (en) * | 2012-11-08 | 2013-02-13 | 中国矿业大学 | Integrative radio wave perspective exploration instrument |
Non-Patent Citations (4)
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| 刘曼玲 等: "《电工学》", 31 August 2014, 中国水利水电出版 * |
| 肖玉林: ""煤矿综采工作面无线电波透视技术研究"", 《中国优秀硕士学位论文全文数据库-基础科学辑》 * |
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| 高一峰: ""无线电波透视在煤矿中的应用"", 《物探与化探》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN104749646B (en) | 2017-09-29 |
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Granted publication date: 20170929 Termination date: 20210424 |