CN103780281A - Mining wired talkback broadcasting method and device - Google Patents
Mining wired talkback broadcasting method and device Download PDFInfo
- Publication number
- CN103780281A CN103780281A CN201410071905.8A CN201410071905A CN103780281A CN 103780281 A CN103780281 A CN 103780281A CN 201410071905 A CN201410071905 A CN 201410071905A CN 103780281 A CN103780281 A CN 103780281A
- Authority
- CN
- China
- Prior art keywords
- signal
- transceiver
- communication
- conductor
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Abstract
The invention discloses a mining wired talkback broadcasting method and device. The device comprises a communication lead, one end of the lead is grounded on the surface, and one end of the lead is grounded underground. More than two signal transceivers and more than one signal receiver are connected on the lead. The communication lead and the ground form a conductive circuit, and the communication lead, the signal transceivers and the signal receiver form a single lead communication system. At ordinary time, any signal transceiver is in a signal receiving state, a signal sending circuit tail stage in the signal transceiver is disconnected with the single lead communication circuit, and a signal receiving circuit in the signal transceiver receives signals in the single lead communication circuit. When a certain signal transceiver needs to send signals, the signal sending circuit final stage in the signal transceiver is connected with the single lead communication circuit, and the signal is amplified and loaded on the signal lead communication circuit. The method and device is long in communication distance, simple in principle, fast to arrange, low in cost and high in reliability.
Description
Background technology
The invention belongs to mining communication technical field, be specifically related to a kind of mining wired intercom broadcasting method and device.
Technical field
At present, mining communication adopts the various ways such as telephone, wireless relay intercommunication, wired broadcasting, radio broadcasting, local area network (LAN)+wireless network (WiFi) communication.Specifically, mainly there is the deficiency of following several respects in these methods:
(1) adopt telephone to need 2 or above wire transmission signal, be generally used for point-to-point communication.
(2) adopt wireless relay intercommunication to need wireless transceiver relaying, cost is high, and reliability is low.
(3) adopt wired broadcasting generally to need two-wire to transmit signal, signal is limited to one-way transmission.
(4) adopt radio broadcasting mode saturatingly apart from short, be generally one-way transmission signal.
(5) adopt the function ratio of local area network (LAN)+wireless network (WiFi) communication more powerful, but system complex, generally formed by trunk optical fiber communication line, local area network (LAN), terminal wireless communication network (WiFi) etc., equipment cost is high, need to set up special communication network, while meeting with larger destruction, system is difficult to quick reparation, is not suitable in the lower use of some emergencies (as disaster communication).
Summary of the invention
One of object of the present invention is for the above-mentioned defect existing in prior art, provides that a kind of communication distance is long, principle is simple, arrange the mining wired intercom broadcasting method quick, with low cost, reliability is higher.
Mining wired intercom broadcasting method of the present invention comprises the steps:
(1) using 1 communication conductor as mining intercommunication program circuit at ground and underground two-terminal-grounding, make this wire and the earth form galvanic circle;
(2) on this communication conductor, access plural signal transceiver and more than 1 signal receiver, form solid conductor communication system;
(3) at ordinary times, any one signal transceiver, in signal accepting state, disconnects the signal sending circuit final stage in signal transceiver and solid conductor communication loop, and the signal receiving circuit in signal transceiver receives the signal in solid conductor communication loop; In the time that some signal transceivers need transmitted signal, by the signal sending circuit final stage access solid conductor communication loop in this signal transceiver, signal is loaded on solid conductor communication loop after signal amplifies;
(4) need signal that the transceiver of transmitted signal sends to be received by communicate by letter receiving circuit or the receiver of arbitrary transceiver of solid conductor, realize the wired broadcasting on solid conductor; Or, call out other a certain transceivers, realize two intercommunication calls between transceiver;
(5) when signal sends or intercommunication is complete, the signal sending circuit final stage in the transceiver of transmitted signal and solid conductor communication loop are disconnected again, the signal receiving circuit in signal transceiver is the state of signal in receiving single communication conductor loop again.
Specifically, the method that performing step (3) adopts is, after a tandem tap of output series connection of the signal sending circuit of arbitrary signal transceiver, seal in again in solid conductor communication loop, seal in a paralleling switch in parallel between two access points in solid conductor communication loop at signal sending circuit, at a tandem tap of receiving terminal series connection of the signal receiving circuit of arbitrary signal transceiver, the tandem tap of the signal sending circuit of this tandem tap and same signal transceiver links, and the receiving terminal of the signal receiving circuit of signal transceiver and the receiving terminal of signal receiver all adopt in current transformer access solid conductor communication loop, at ordinary times, arbitrary signal transceiver is in accepting state, and now the tandem tap of the signal sending circuit output of transceiver disconnects, and is linked into the paralleling switch closure in solid conductor communication loop, meanwhile, the tandem tap closure of the signal receiving circuit receiving terminal of this signal transceiver, in the time that some signal transceivers need transmitted signal, by the serial connection switch closure of its signal sending circuit output, the paralleling switch being linked in solid conductor communication loop disconnects, simultaneously, the tandem tap of the signal receiving circuit receiving terminal of this signal transceiver disconnects, signal is loaded on single communication conductor through transtation mission circuit, the current signal in solid conductor is transformed into voltage signal by the signal receiving circuit of all signal transceivers that articulate on single communication conductor or the current transformer of signal receiver, after amplifying processing, obtain voice messaging, thereby receive the signal that transceiver sends.
In addition, when the present invention communicates by letter in emergent (disaster relief), single communication conductor connects after 1 ground-based transceiver ground connection nearby in ground surface end, the unwrapping wire when other end can be gone into the well with people with coil holder, while closing on disaster relief scene, ground connection be nearby connected in series transceiver on single communication conductor after, can realize intercommunication call between down-hole and ground-based transceiver, can also under the prerequisite of not destroying communication conductor, access signal receiver and receive signal (receiver front end employing split core type current transformer), also can on communication conductor, be connected in series fast multiple transceivers for multi-point intercommunication call or contact with ground, in case of emergency writing to each other of Rapid Establishment ground and down-hole.
Two of object of the present invention is to provide a kind of device of realizing above-mentioned mining wired intercom broadcasting method.
Mining wired intercom broadcaster of the present invention, it comprises a communication conductor, and one end of this wire is ground ground connection, and one end is underground ground connection; On this communication conductor, access plural signal transceiver and more than 1 signal receiver; This communication conductor and the earth form galvanic circle, form solid conductor communication system with signal transceiver and signal receiver.
Specifically, after a tandem tap of output series connection of the signal sending circuit of signal transceiver, seal in again on single communication conductor, seal in a paralleling switch in parallel between two access points on single communication conductor at signal transceiver; At a tandem tap of receiving terminal series connection of the signal receiving circuit of signal transceiver, the tandem tap of the signal sending circuit of this tandem tap and same signal transceiver forms linked switch; And the receiving terminal of the signal receiving circuit of signal transceiver and the receiving terminal of signal receiver all adopt in current transformer access solid conductor communication loop.
The present invention can adopt little electric current communication can realize solid conductor wired intercom or broadcast, signal transceiver, receiver, wire do after Explosion-proof Design, can in the inferior explosive gas atmosphere of coal mine, use, and can writing to each other in Rapid Establishment ground and down-hole under case of emergency.
Beneficial effect of the present invention be embodied in following some:
(1) the present invention adopts 1 wire, and utilizes the conduction of the earth to form closed-loop path, carries out intercommunication broadcast along single communication conductor, and principle is simple, workable.
(2) the present invention only uses 1 communication conductor, can realize between any two transceivers along the line intercommunication or to each receiver broadcast along the line, line cost is low, easy to use.
(2) the present invention can Rapid Establishment single conductor communication system, in case of emergency can apply fast.
(3) the present invention adopts wire communication, and communication distance can reach thousands of rice, and reliability is higher.
Accompanying drawing explanation
Fig. 1 is the principle of device structural representation of the embodiment of the present invention.
Fig. 2 is the theory structure schematic diagram of signal transceiver in Fig. 1.
Fig. 3 is the theory structure schematic diagram of signal receiver in Fig. 1.
Fig. 4 is the workflow block diagram of the signal transceiver intercommunication talking mode of the inventive method.
Fig. 5 is the workflow block diagram of the signal transceiver broadcast mode of the inventive method.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Referring to Fig. 1, the mining wired intercom broadcaster of the embodiment of the present invention comprises a communication conductor LN, and one end of wire LN is ground ground connection, and one end is underground ground connection; In Fig. 1, accessed two signal transceivers on communication conductor LN, ground-based transceiver 1 and underground transceiver 2, also accessed several signal receivers, and receiver 3 is to receiver N; Make communication conductor LN and the earth form galvanic circle, form solid conductor communication loop with each signal transceiver and signal receiver.
As can be seen from Fig. 1, after a tandem tap K2 of output series connection of the signal sending circuit of each signal transceiver, seal in again on single communication conductor LN, seal in a paralleling switch K1 in parallel between two access points on single communication conductor at signal transceiver; At a tandem tap K3 of receiving terminal series connection of the signal receiving circuit of signal transceiver, the tandem tap K3 of same signal transceiver and tandem tap K2 form linked switch; And the receiving terminal of the signal receiving circuit of each signal transceiver and the receiving terminal of each signal receiver all adopt in current transformer access solid conductor communication loop.
Referring to Fig. 2, it is the theory structure schematic diagram of signal transceiver in Fig. 1.Signal transceiver comprises signal sending circuit and signal receiving circuit two parts, transceiver is not when transmitted signal, the tandem tap K2 of signal sending circuit final stage series connection disconnects, the corresponding paralleling switch K1 closure that is incorporated to solid conductor communication loop, simultaneously, tandem tap K3 closure in signal receiving circuit, now signal sending circuit is not worked, current transformer L1 in signal receiving circuit can be transformed into voltage signal by the current signal on single communication line, after amplifying, promotes loudspeaker SP(or earphone) sounding; When transceiver transmitted signal, the tandem tap K2 closure of signal sending circuit final stage series connection, paralleling switch K1 disconnects, simultaneously, tandem tap K3 in signal receiving circuit disconnects, voice signal is transformed into the signal of telecommunication by microphone MIC, after amplifying, is loaded into the current signal on single wire communication loop, and the signal receiving circuit in other signal receiver or the transceiver that can be connected on solid conductor communication loop receives.Therefore, can realize the wired broadcasting on solid conductor, between any two transceivers that connect, also can carry out intercommunication on solid conductor communication loop, the signal sending when intercommunication also can be received by other receivers.
Referring to Fig. 3, it is the theory structure schematic diagram of signal receiver in Fig. 1.Signal receiver comprises current transformer L, signal amplification circuit, loudspeaker SP(or earphone), current signal in solid conductor communication loop, through current transformer, L changes voltage signal into, after signal amplification circuit amplifies, by loudspeaker or earphone sounding, obtain the voice signal that certain signal transceiver sends.
Referring to Fig. 4, it is the workflow block diagram of the signal transceiver intercommunication talking mode of the mining wired intercom broadcasting method of the present invention.It (is the K2 closure of transceiver that a transceiver A on single communication conductor in transceiver is placed in signal transmission state, K1 disconnects, K3 disconnects), all the other transceivers are placed in signal accepting state, and (the transtation mission circuit final stage tandem tap K2 that is transceiver disconnects, K switch 1 closure, K switch 3 closures), signal sends output signal and can be received by the receiving circuit of all receivers on solid conductor communication loop and all the other transceivers, after A transceiver transmitted signal, switch to signal accepting state, called transceiver is received after the signal of A transmission, switch to signal and send state transmitted signal, A like this, between B transceiver, can utilize single conductor communication loop to carry out intercommunication call, A after talk-through, B transceiver is all placed in signal accepting state, discharge communication line.
Referring to Fig. 5, it is the workflow block diagram of the signal transceiver broadcast mode of the mining wired intercom broadcasting method of the present invention.A transceiver A on solid conductor communication loop is placed in signal and sends state, all the other transceivers and receiver are all placed in signal accepting state, realize the broadcast capability of A to all transceivers and receiver, after off-the-air, transceiver A is placed in signal accepting state, waits for new calling.
Must be pointed out, above-described embodiment is a kind of implementation of the present invention, can not limit accordingly the scope of protection of the present invention, and other equivalent circuit still belong to protection scope of the present invention.
Claims (4)
1. a mining wired intercom broadcasting method, is characterized in that comprising the steps:
(1) using 1 communication conductor as mining intercommunication program circuit at ground and underground two-terminal-grounding, make this wire and the earth form galvanic circle;
(2) on this communication conductor, access plural signal transceiver and more than 1 signal receiver, form solid conductor communication system;
(3) at ordinary times, any one signal transceiver, in signal accepting state, disconnects the signal sending circuit final stage in signal transceiver and solid conductor communication loop, and the signal receiving circuit in signal transceiver receives the signal in solid conductor communication loop; In the time that some signal transceivers need transmitted signal, by the signal sending circuit final stage access solid conductor communication loop in this signal transceiver, signal is loaded on solid conductor communication loop after signal amplifies;
(4) need signal that the transceiver of transmitted signal sends to be received by communicate by letter receiving circuit or the receiver of arbitrary transceiver of solid conductor, realize the wired broadcasting on solid conductor; Or, call out other a certain transceivers, realize two intercommunication calls between transceiver;
(5) when signal sends or intercommunication is complete, the signal sending circuit final stage in the transceiver of transmitted signal and solid conductor communication loop are disconnected again, the signal receiving circuit in signal transceiver is the state of signal in receiving single communication conductor loop again.
2. mining wired intercom broadcasting method according to claim 1, it is characterized in that: the method that performing step (3) adopts is, after a tandem tap of output series connection of the signal sending circuit of arbitrary signal transceiver, seal in again in solid conductor communication loop, seal in a paralleling switch in parallel between two access points in solid conductor communication loop at signal sending circuit, at a tandem tap of receiving terminal series connection of the signal receiving circuit of arbitrary signal transceiver, the tandem tap of the signal sending circuit of this tandem tap and same signal transceiver links, and the receiving terminal of the signal receiving circuit of signal transceiver and the receiving terminal of signal receiver all adopt in current transformer access solid conductor communication loop, at ordinary times, arbitrary signal transceiver is in accepting state, and now the tandem tap of the signal sending circuit output of transceiver disconnects, and is linked into the paralleling switch closure in solid conductor communication loop, meanwhile, the tandem tap closure of the signal receiving circuit receiving terminal of this signal transceiver, in the time that some signal transceivers need transmitted signal, by the serial connection switch closure of its signal sending circuit output, the paralleling switch being linked in solid conductor communication loop disconnects, simultaneously, the tandem tap of the signal receiving circuit receiving terminal of this signal transceiver disconnects, signal is loaded on single communication conductor through transtation mission circuit, the current signal in solid conductor is transformed into voltage signal by the signal receiving circuit of all signal transceivers that articulate on single communication conductor or the current transformer of signal receiver, after amplifying processing, obtain voice messaging, thereby receive the signal that transceiver sends.
3. a realization device for mining wired intercom broadcasting method as claimed in claim 1, is characterized in that: it comprises a communication conductor, one end of this wire is ground ground connection, and one end is underground ground connection; On this communication conductor, access plural signal transceiver and more than 1 signal receiver; This communication conductor and the earth form galvanic circle, form solid conductor communication system with signal transceiver and signal receiver.
4. mining wired intercom broadcaster according to claim 3, it is characterized in that: after a tandem tap of output series connection of the signal sending circuit of signal transceiver, seal in again on single communication conductor, seal in a paralleling switch in parallel between two access points on single communication conductor at signal transceiver; At a tandem tap of receiving terminal series connection of the signal receiving circuit of signal transceiver, the tandem tap of the signal sending circuit of this tandem tap and same signal transceiver forms linked switch; And the receiving terminal of the signal receiving circuit of signal transceiver and the receiving terminal of signal receiver all adopt in current transformer access solid conductor communication loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071905.8A CN103780281B (en) | 2014-02-28 | 2014-02-28 | Mining wired talkback broadcasting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071905.8A CN103780281B (en) | 2014-02-28 | 2014-02-28 | Mining wired talkback broadcasting method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103780281A true CN103780281A (en) | 2014-05-07 |
| CN103780281B CN103780281B (en) | 2015-06-03 |
Family
ID=50572182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410071905.8A Active CN103780281B (en) | 2014-02-28 | 2014-02-28 | Mining wired talkback broadcasting method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103780281B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2708567Y (en) * | 2004-07-10 | 2005-07-06 | 鞍山市中控自动化工程有限公司 | Long-distance wired communication interphone |
| CN201048453Y (en) * | 2007-06-21 | 2008-04-16 | 武汉钢铁(集团)公司 | Subarea broadcast controller of industry wired intercommunication system |
| CN201557215U (en) * | 2009-11-10 | 2010-08-18 | 武汉钢铁(集团)公司 | Cable communication intercom system |
| CN201639598U (en) * | 2010-04-19 | 2010-11-17 | 三一重型装备有限公司 | Mine-used aboveground and underground communication system |
| CN101964669A (en) * | 2010-09-21 | 2011-02-02 | 徐斌 | Underground communication system |
| CN102710932A (en) * | 2012-06-10 | 2012-10-03 | 解波 | Underground wireless communication system |
| CN203734659U (en) * | 2014-02-28 | 2014-07-23 | 湖南科技大学 | Mining wired intercommunication broadcast apparatus |
-
2014
- 2014-02-28 CN CN201410071905.8A patent/CN103780281B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2708567Y (en) * | 2004-07-10 | 2005-07-06 | 鞍山市中控自动化工程有限公司 | Long-distance wired communication interphone |
| CN201048453Y (en) * | 2007-06-21 | 2008-04-16 | 武汉钢铁(集团)公司 | Subarea broadcast controller of industry wired intercommunication system |
| CN201557215U (en) * | 2009-11-10 | 2010-08-18 | 武汉钢铁(集团)公司 | Cable communication intercom system |
| CN201639598U (en) * | 2010-04-19 | 2010-11-17 | 三一重型装备有限公司 | Mine-used aboveground and underground communication system |
| CN101964669A (en) * | 2010-09-21 | 2011-02-02 | 徐斌 | Underground communication system |
| CN102710932A (en) * | 2012-06-10 | 2012-10-03 | 解波 | Underground wireless communication system |
| CN203734659U (en) * | 2014-02-28 | 2014-07-23 | 湖南科技大学 | Mining wired intercommunication broadcast apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103780281B (en) | 2015-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105338429A (en) | Interphone voice frequency signal relay system | |
| CN103686516A (en) | Bluetooth headset capable of sharing audios and control method thereof | |
| US20120178370A1 (en) | Wireless terminal with switched auxiliary device port apparatus and method | |
| CN204180064U (en) | High noise environments intercom | |
| CN202050541U (en) | Emergency rescue communication system | |
| CN202883010U (en) | Mining rescue wireless video communication system | |
| CN205305045U (en) | Intercom audio signal relay system | |
| CN203734659U (en) | Mining wired intercommunication broadcast apparatus | |
| CN102158281A (en) | High-speed omni-directional wireless laser communication equipment | |
| CN102547602A (en) | Shoulder microphone and system and method for realizing three-party conversion between public network and private network | |
| CN103780281B (en) | Mining wired talkback broadcasting method and device | |
| CN202340252U (en) | Communication cell phone with functions of eliminating echoes and noise for mining | |
| CN203734791U (en) | Underground wired calling system | |
| CN105553994A (en) | Digital wireless communication system based on voice gateway and application thereof | |
| CN202679548U (en) | Two-way intercommunication system for coal mine | |
| CN207652704U (en) | It is a kind of key field used in speech scrambling equipment | |
| CN202395997U (en) | Mine underground wireless self-networking communication system | |
| CN207234770U (en) | A kind of linking up station | |
| CN103780981B (en) | Underground wired calling system | |
| CN202551162U (en) | Telephone | |
| CN202535377U (en) | Interphone system | |
| CN109089003B (en) | Converged communication system | |
| CN103384352A (en) | Elevator remote talkback system and access device | |
| CN203039832U (en) | Wireless leakage communication system | |
| CN204465677U (en) | A kind of mining wireless communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |