CN1241333C - Radio induction communication system for underpit work - Google Patents
Radio induction communication system for underpit work Download PDFInfo
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- CN1241333C CN1241333C CN 02133023 CN02133023A CN1241333C CN 1241333 C CN1241333 C CN 1241333C CN 02133023 CN02133023 CN 02133023 CN 02133023 A CN02133023 A CN 02133023A CN 1241333 C CN1241333 C CN 1241333C
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- main frame
- intermediate station
- extension set
- signal
- work
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Abstract
The present invention relates to an underground wireless sensing communication system in mines, which belongs to the technical field of wave communication, and solves the technical problem of wire link between an underground transfer machine and a base machine on the ground existing in the prior art. The present invention is composed of a host machine, a transfer station and sub-machines, wherein wireless communication is formed between the transfer station and the sub-machines, also between the host machine and the transfer station. The host machine is arranged in a control room, a ventilation section or a watch mine manager's room; the transfer station is fixed at a proper position in laneways; the sub-machines are carried by working personnel. The host machine of the present invention is composed of a transmitting part and a receiving part. The transfer station is composed of two transfer machines and a relay box between the transfer machines. Each sub-machine is composed of a transmitting part and a receiving part. The present invention realizes the full wireless communication between mine grounds and exploiting areas, and has the beneficial effects of convenience, safety and reliability.
Description
Technology neck city: radio induction communication system for underpit work of the present invention belongs to the ripple communication technique field, particularly belongs to radio induction communication system for underpit work technology neck city.
Background technology: the known patent No. is CN 961151.78.1, the applying date to be " mine undershaft communication system " patent of invention on March 28th, 1996.It is wired connection that " mine undershaft communication system " patent of invention exists in its down-hole between favourable turn and the ground base, and this is the technical problem of inconvenience extremely.
Summary of the invention: radio induction communication system for underpit work of the present invention is exactly the technical problem for " be wired connection between favourable turn and the ground base in the down-hole, this is extremely inconvenient " that solves known " mine undershaft communication system " existence.
Radio induction communication system for underpit work of the present invention is made up of main frame, intermediate station and extension set.Be wireless contact between intermediate station and the extension set wherein, and also be wireless contact between main frame and the intermediate station.Thereby realized that whole mine undershaft communication system all is wireless contact.
The main frame of radio induction communication system for underpit work of the present invention is placed in control room, ventilation section or the chief of a pit on duty chamber, and intermediate station is fixed on the appropriate location in the tunnel, and extension set is carried by the staff in exploiting field or the tunnel.
Radio induction communication system for underpit work of the present invention has two kinds of communication modes: the antenna of first main frame and intermediate station is around on the same cable; It two is that main frame is around on two different cables with the antenna of intermediate station.
Main frame is formed by sending part and receiving unit.Main frame is powered with the 12V power supply.Main frame is to send an audio signal by microphone, behind the audio signal input main frame, through buffer, power amplification, amplitude modulator, main oscillations a series of activities, form the audio signal that has certain power at last, through transtation mission circuit, as transport vehicle, induction is sent to intermediate station by the cable surrounding magnetic field.
Intermediate station is made up of favourable turn in two and relaying box in the middle of it.Intermediate station is powered with the 12V intrinsic safety electric source.One of favourable turn places the side of intermediate station relaying box in the face of main frame in two in the intermediate station, another places the side of intermediate station relaying box in the face of extension set, the relaying box has been the automatic transformation of relaying, the audio signal that sends by the cable induction when main frame enters in the intermediate station in the face of in the middle favourable turn of main frame one side, the beginning a series of activities, middle favourable turn also is made up of receiving unit and transmission two parts, the receiving unit of favourable turn during audio signal enters, through mixting circuit, local oscillation, put in the one-level, put in the secondary, detecting circuit, after low frequency amplifies, its signal enters the conversion portion of relaying box, in the relaying box through work after, form and signal, turn back to again in the favourable turn receiving unit again through in the favourable turn work, form to collect mail number, enter the conversion portion of relaying box once more, after work, form forward signal and enter the transmission part of intermediate station in the face of the middle favourable turn of extension set one side, transmission part at middle favourable turn, through buffer, power amplification, FM circuit, after the master-oscillator a series of activities, signal is sent through transtation mission circuit.The signal that sends, the induction through cable is sent to extension set equally, is received by extension set.So, the signal that main frame sends is received by extension set after intermediate station is changed automatically, finishes communication process one time.
Extension set is formed by sending part and receiving unit.Extension set is powered with the 9V intrinsic safety electric source.Sending part is extension set pickup transmitter input audio signal.Through one-level low put, secondary is lowly put, amplitude modulator, master-oscillator, forms high-frequency signal, launch by magnetic antenna through transmitter.Receiving unit is the signal input circuit that intermediate station is emitted, and puts in frequency mixer, local oscillation, one-level, puts in the secondary, after detecting circuit, low frequency amplify, sends audio signal by loudspeaker.Extension set sends signal, and process is sent the same process of signal with main frame, and passes to main frame, finishes conversation.
Radio induction communication system for underpit work of the present invention has been realized the full Wireless communication in ground, mine to exploiting field, has convenience, safe and reliable beneficial effect, is applicable to all kinds of mine operations.Especially colliery.
Description of drawings:
Fig. 1: radio induction communication system for underpit work block diagram.Communication mode is that main frame is around on two different cables with the antenna of intermediate station.
Fig. 2: radio induction communication system for underpit work block diagram.Communication mode is that the antenna of main frame and intermediate station is around on the same cable.
Fig. 3: radio induction communication system for underpit work host circuit block diagram.
Fig. 4: radio induction communication system for underpit work host circuit schematic diagram.
Fig. 5: radio induction communication system for underpit work intermediate station circuit block diagram.
Fig. 6: the relaying box circuit theory diagrams of radio induction communication system for underpit work intermediate station.
Fig. 7: radio induction communication system for underpit work extension set circuit block diagram.
Fig. 8: radio induction communication system for underpit work extension circuit schematic.Illustrate: one, mains switch 3K
1At off-position; Two, words box group 3AJ
1, 3AJ
2At off-position; Three, indicate * person for adjusting element; Four, integrated package JC
1, JC
2Each pin voltage is shown in the little figure in the lower right among Fig. 8.
Embodiment: radio induction communication system for underpit work of the present invention is made up of main frame, intermediate station and extension set (Fig. 1).Be wireless contact between intermediate station and the extension set wherein, and also be wireless contact (Fig. 1) between main frame and the intermediate station.
The main frame of radio induction communication system for underpit work of the present invention is placed in control room, ventilation section or the chief of a pit on duty chamber, and intermediate station is fixed on the appropriate location in the tunnel, and extension set carries (Fig. 1) by the staff in exploiting field or the tunnel.
The communication mode of radio induction communication system for underpit work of the present invention is that main frame is around on two different cables (Fig. 1) with the antenna of intermediate station
Main frame is formed by sending part and receiving unit (Fig. 3).Main frame is with 12V power supply power supply (Fig. 3).Main frame is to send an audio signal by microphone, behind the audio signal input main frame, through buffer, power amplification, amplitude modulator, main oscillations a series of activities, form the audio signal that has certain power at last, through transtation mission circuit, as transport vehicle, induction is sent to intermediate station by the cable surrounding magnetic field.Fig. 4 is a radio induction communication system for underpit work host circuit schematic diagram.
Intermediate station is made up of favourable turn in two and the relaying box (Fig. 5) in the middle of it.Intermediate station is powered with the 12V intrinsic safety electric source.One of favourable turn places the side of intermediate station relaying box in the face of main frame in two in the intermediate station, another places the side of intermediate station relaying box in the face of extension set, the relaying box has been the automatic transformation of relaying, the audio signal that sends by the cable induction when main frame enters in the intermediate station in the face of in the middle favourable turn of main frame one side, the beginning a series of activities, middle favourable turn also is made up of receiving unit and transmission two parts, the receiving unit of favourable turn during audio signal enters, through mixting circuit, local oscillation, put in the one-level, put in the secondary, detecting circuit, after low frequency amplifies, its signal enters the conversion portion of relaying box, in the relaying box through work after, form and signal, turn back to again in the favourable turn receiving unit again through in the favourable turn work, form to collect mail number, enter the conversion portion of relaying box once more, after work, form forward signal and enter the transmission part of intermediate station in the face of the middle favourable turn of extension set one side, transmission part at middle favourable turn, through buffer, power amplification, FM circuit, after the master-oscillator a series of activities, signal is sent (Fig. 5) through transtation mission circuit.Fig. 6 is radio induction communication system for underpit work relaying box circuit theory diagrams.The signal that sends, the induction through the cable knot is sent to extension set equally, is received by extension set.So, the signal that main frame sends is received by extension set after intermediate station is changed automatically, finishes communication process one time.
Extension set is formed by sending part and receiving unit (Fig. 7).Extension set is powered with the 9V intrinsic safety electric source.Sending part is extension set pickup transmitter input audio signal, and you put through one-level, secondary is lowly put, amplitude modulator, master-oscillator, form high-frequency signal, are launched by magnetic antenna through transmitter.Receiving unit is the signal input circuit that intermediate station is emitted, and puts in frequency mixer, local oscillation, one-level, puts in the secondary, after detecting circuit, low frequency amplify, sends audio signal by loudspeaker.Extension set sends the signal process and sends the same process of signal with main frame, and passes to main frame, finishes conversation.Fig. 8 is the radio induction communication system for underpit work extension circuit schematic.
Claims (2)
1, a kind of by main frame, the radio induction communication system for underpit work that intermediate station and extension set are formed, it wherein between intermediate station and the extension set wireless contact, it is characterized in that between main frame and the intermediate station it also being wireless contact, it is characterized in that main frame forms by sending part and receiving unit, main frame is powered with the 12V power supply, main frame is to send an audio signal by microphone, behind the audio signal input main frame, through buffer, power amplification, amplitude modulator, the main oscillations a series of activities, form the audio signal that has certain power at last, through transtation mission circuit, by the cable surrounding magnetic field as transport vehicle, induction is sent to intermediate station, intermediate station is made up of favourable turn in two and relaying box in the middle of it, intermediate station is powered with the 12V intrinsic safety electric source, one of favourable turn places the side of intermediate station relaying box in the face of main frame in two in the intermediate station, another places the side of intermediate station relaying box in the face of extension set, the relaying box has been the automatic transformation of relaying, the audio signal that sends by the cable induction when main frame enters in the intermediate station in the face of in the middle favourable turn of main frame one side, the beginning a series of activities, middle favourable turn also is made up of receiving unit and transmission two parts, the receiving unit of favourable turn during audio signal enters, through mixting circuit, local oscillation, put in the one-level, put in the secondary, detecting circuit, after low frequency amplifies, its signal enters the conversion portion of relaying box, in the relaying box through work after, form and signal, turn back to again in the favourable turn receiving unit again through in the favourable turn work, form to collect mail number, enter the conversion portion of relaying box once more, after work, form forward signal and enter the transmission part of intermediate station in the face of the middle favourable turn of extension set one side, transmission part at middle favourable turn, through buffer, power amplification, FM circuit, after the master-oscillator a series of activities, through transtation mission circuit signal is sent, the signal that sends, induction through cable is sent to extension set equally, received by extension set, so, the signal that main frame sends is after intermediate station is changed automatically, received by extension set, finish communication process one time; Extension set is formed by sending part and receiving unit, extension set is an extension set pickup transmitter input audio signal with the power supply of 9V intrinsic safety electric source, transmission part, through one-level low put, secondary is lowly put, amplitude modulator, master-oscillator, formation high-frequency signal, launch by magnetic antenna through transmitter; Receiving unit is the signal input circuit that the red switch platform is emitted, and puts in the vibration of frequency mixer, written or printed documents, one-level, puts in the secondary, after detecting circuit, low frequency amplify, sends audio signal by loudspeaker; Extension set sends signal, and process is sent the same process of signal with main frame, and passes to main frame, finishes conversation.
2, according to the radio induction communication system for underpit work of forming by main frame, intermediate station and extension set of claim 1, be wireless contact between intermediate station and the extension set wherein, it is characterized in that radio induction communication system for underpit work has two kinds of communication modes: the antenna of first main frame and intermediate station is around on the same cable; It two is that main frame is around on two different cables with the antenna of intermediate station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02133023 CN1241333C (en) | 2002-09-24 | 2002-09-24 | Radio induction communication system for underpit work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02133023 CN1241333C (en) | 2002-09-24 | 2002-09-24 | Radio induction communication system for underpit work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1485992A CN1485992A (en) | 2004-03-31 |
| CN1241333C true CN1241333C (en) | 2006-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02133023 Expired - Fee Related CN1241333C (en) | 2002-09-24 | 2002-09-24 | Radio induction communication system for underpit work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1241333C (en) |
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2002
- 2002-09-24 CN CN 02133023 patent/CN1241333C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1485992A (en) | 2004-03-31 |
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