CN201374816Y - Coal mine underground communication mobile phone with one-key intercom function - Google Patents
Coal mine underground communication mobile phone with one-key intercom function Download PDFInfo
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- CN201374816Y CN201374816Y CN200920112969U CN200920112969U CN201374816Y CN 201374816 Y CN201374816 Y CN 201374816Y CN 200920112969 U CN200920112969 U CN 200920112969U CN 200920112969 U CN200920112969 U CN 200920112969U CN 201374816 Y CN201374816 Y CN 201374816Y
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- 238000004891 communication Methods 0.000 title claims abstract description 62
- 230000006854 communication Effects 0.000 title claims abstract description 62
- 239000003245 coal Substances 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 24
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
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- 238000005065 mining Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000012364 Peperomia pellucida Nutrition 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
一种具有一键对讲功能的煤矿井下通信手机，包括外壳、用以给系统提供电源的电源管理模块、用于实现通信功能的中央控制模块、用于通过无线射频技术将数据发出或接收射频信号的无线通信模块、用于控制耳麦的语音数据的语音处理模块和用于实现数字/字母按键的按键矩阵模块，按键矩阵模块还包括对讲键、用于当对讲键被按下后触发对讲电路的启动电路和用于当接收到触发信号将对讲信号发送到中央控制模块的对讲电路；中央控制模块包括呼叫请求发出单元、组播呼叫单元和组播对讲单元；对讲键连接启动电路，启动电路连接对讲电路，对讲电路连接中央控制模块。本实用新型能增强对讲功能、具备一键对讲功能。
A coal mine underground communication mobile phone with a one-key intercom function, including a casing, a power management module for supplying power to the system, a central control module for realizing communication functions, and a radio frequency technology for sending data or receiving radio frequency A wireless communication module for signals, a voice processing module for controlling the voice data of the headset, and a key matrix module for realizing number/letter keys. The key matrix module also includes an intercom key for triggering when the intercom key is pressed. The starting circuit of the intercom circuit and the intercom circuit for sending the intercom signal to the central control module when the trigger signal is received; the central control module includes a call request sending unit, a multicast call unit and a multicast intercom unit; the intercom The key is connected with the starting circuit, the starting circuit is connected with the intercom circuit, and the intercom circuit is connected with the central control module. The utility model can enhance the intercom function and has a one-key intercom function.
Description
Technical field
The utility model belongs to communication handset under a kind of coal mine.
Background technology
The Coal Production operation is mainly at mining face under mine, poor working environment, and the tunnel distributes close, and unsafe factor is many, and personnel, equipment are mobile big, and the multiplex (MUX) plants integration of operation; Under this operating condition, require the underground communica tion terminal transmission necessary in time, accurate.Current, communication terminal is not within minority under the coal mine, but can only realize man-to-man communication, lack stable performance, speech talkback system simple to operate between the underground work personnel, make and to carry out information communication and to exchange simultaneously between a plurality of staff, co-ordination well reduces operating efficiency.In case generation coal mining accident, spot also can only feed back to situation aboveground commanding, but can not notify all staff to withdraw or carry out safe precaution measure in the very first time, such communication terminal device can not play any rescue effect at all.
Summary of the invention
Weak for the intercommunication function that overcomes communication handset under the existing coal mine, do not have the deficiency of a key intercommunication function, the utility model provides a kind of strengthens intercommunication function, possess communication handset under the coal mine of a key intercommunication function.
The technical scheme that its technical problem that solves the utility model adopts is:
Communication handset under a kind of coal mine with a key intercommunication function, comprise shell, in order to the power management module of power supply to be provided to system, be used to realize the central control module of communication function, be used for data being sent or the wireless communication module of received RF signal by wireless radio-frequency, be used to control headset speech data speech processing module and be used to realize the key-press matrix module of numeral/alphabet key, described power management module is connected with central control module, described central control module and wireless communication module, speech processing module is connected with the key-press matrix module, described wireless communication module connects antenna, and described key-press matrix module also comprises the intercommunication key, the start-up circuit that is used for triggering talkback circuit after the intercommunication key is pressed receives the talkback circuit that triggering signal sends to the intercommunication signal central control module with being used for working as; Described central control module comprises: after being used to receive the intercommunication signal, send the call request issue unit of call request message by wireless communication module; After being used to receive the response answer of server, send the multicast call unit of the message of calling out beginning to other IP multicast address of place intercommunication group; Be used for gathering speech data by speech processing module when the information of other IP multicast address that receive one of them, by wireless communication module to multicast intercommunication unit that other IP multicast address send; Described intercommunication key connects described start-up circuit, and described start-up circuit connects described talkback circuit, and described talkback circuit connects described central control module.
Technical conceive of the present utility model is: communication handset includes shell under this coal mine; Be provided with circuit board in the enclosure, adopt lithium battery power supply, battery links to each other with other module on the mainboard by power management module, key-press module links to each other with central control module, central control module links to each other with wireless communication module, wireless communication module is connected with antenna, and speech processing module links to each other with central control module.
In communication handset, except equally with the general underground mobile communication mobile phone of being released on the market at present realizing the functions such as basic conversation, note, organically combine the key-press matrix modular circuit, utilize the intercommunication key of new design definition that the intercommunication request is sent to server, after obtaining the affirmation of server, send the data to other groups, will realize a key intercommunication.
In underground work at ordinary times, only need between the staff to notify and link up by the intercommunication key information of carrying out, even if dangerous situation occurs, also can understand emergency situations simultaneously in the very first time, in time carry out rescue, loss can be reduced to minimum degree.So a key intercommunication and communication terminal technology are combined, very useful and have a very major and immediate significance.
The beneficial effects of the utility model mainly show: 1, strengthen intercommunication function, possess a key intercommunication function; 2, information is in time linked up and is exchanged; 3, be convenient in time launch rescue.
Description of drawings
Fig. 1 is circuit module block diagram and the antenna schematic diagram of an embodiment of the utility model.
Fig. 2 is the theory diagram of power management and charging module.
Fig. 3 is the theory diagram of central control module.
Fig. 4 is the theory diagram of wireless communication module.
Fig. 5 is the theory diagram of speech processing module.
Fig. 6 is the theory diagram of the realization system of a key intercommunication function.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1-Fig. 6, communication handset under a kind of coal mine with a key intercommunication function, comprise shell, in order to the power management module of power supply to be provided to system, be used to realize the central control module of communication function, be used for data being sent or the wireless communication module of received RF signal by wireless radio-frequency, be used to control headset speech data speech processing module and be used to realize the key-press matrix module of numeral/alphabet key, described power management module is connected with central control module, described central control module and wireless communication module, speech processing module is connected with the key-press matrix module, described wireless communication module connects antenna, and described key-press matrix module also comprises the intercommunication key, the start-up circuit that is used for triggering talkback circuit after the intercommunication key is pressed receives the talkback circuit that triggering signal sends to the intercommunication signal central control module with being used for working as; Described central control module comprises: after being used to receive the intercommunication signal, send the call request issue unit of call request message by wireless communication module; After being used to receive the response answer of server, send the multicast call unit of the message of calling out beginning to other IP multicast address of place intercommunication group; Be used for gathering speech data by speech processing module when the information of other IP multicast address that receive one of them, by wireless communication module to multicast intercommunication unit that other IP multicast address send; Described intercommunication key connects described start-up circuit, and described start-up circuit connects described talkback circuit, and described talkback circuit connects described central control module.
In conjunction with Fig. 1, the utlity model has mobile communication terminal under the coal mine of a key intercommunication function, be provided with circuit board in the enclosure, adopt lithium battery power supply, battery links to each other with other module on the mainboard by power management module, and key-press module links to each other with central control module, and central control module links to each other with wireless communication module, wireless communication module is connected with antenna, and speech processing module links to each other with central control module.
In conjunction with Fig. 2 to Fig. 6, power management module is made up of power management chip, LDO chip and DC/DC chip.Power supply links to each other with power management module with current-limiting resistance by fuse F400, and by power supply chip IC400, U400, U401 and U402 are transformed into the needed supply power voltage of system.Often kept at least 1 second by start key S621, S621 is after triggering, power management chip IC400 starts working, exist side by side and promptly enable LDO chip U401, LDO chip U401 begins output, and power management chip IC400 provides reset signal for simultaneously central control chip U200, and central subsequently control chip U200 begins to start, and feed back signal to power management chip IC400 and represent that output voltage is no problem, power management chip IC400 receives operate as normal after the feedback signal.If power management chip IC400 can not receive the feedback signal of central control chip U200, then power management chip IC400 cuts off all power supplies immediately.After power management chip IC400 and LDO chip U401 open, other module of system is waited for the order of central control module, and central control chip U200 is according to system arrangement other branch road of opening power managing chip IC400 successively, LDO chip U400 and DC/DC chip U402.Power supply is linked by resistance on the ADC pin of central control chip U200, detects as power supply, and not within the scope of default, then central control chip U200 can notify power management chip IC400 to shut down by force as the power source voltage fluctuation range.In system's normal course of operation, if it is normal by at least 2 seconds of start key S621 position, power management chip IC400 then produces shutdown and interrupts giving central control chip U200, and central control chip U200 is after ready work, and notice power management chip IC400 shuts down.
Central authorities control master chip U200 is a 32 arm processor, and it is the control centre of whole system, can be by 24 address wires and 32 position datawires and SPI, and IIC, interface such as UART and peripheral module carry out exchanges data and control.In the utility model, central control module is controlled speech processing module by parallel interface in the mode of bus, carries out data interaction with SPI interface and wireless communication module, communicates by letter with power management module and is then undertaken by the mode of IIC.Button and other circuit are then implemented control and data interaction by interruption and GPIO mouth.Owing to self have the A/D translation interface, so can detect to power supply.
In the wireless communication module circuit, master chip U100 is a wireless radio frequency modules, supports IEEE802.11b and IEEE802.11g.The IEEE802.11 standard is the international standard that meets ieee specification, and it works in 2.4GHz and exempts to authorize frequency range, supports the channel of 13 maximum rate 54Mbps.Radio communication master chip U100 is because integrated transceiver and power amplifier, supply power voltage is more and the sequential requirement arranged, power management chip IC400, LDO chip U400 and DC/DC chip U402 to radio communication master chip U100 power supply, control respectively to satisfy the requirement of electrifying timing sequence them by power management chip IC400 and central control chip U200 respectively.To radio communication master chip U100 power on finish after, reset signal is provided, its inside powers on to finish can provide high level, this level is supplied with through doing a time-delay back with door U101, radio communication master chip U100 finishes after receiving reset signal and powers on and start, beginning and central control chip U200 carry out data interaction by the SPI interface, and radio communication master chip U100 successfully is in transmitting-receiving or holding state after the configuration.Under emission state, data that the control chip U200 of central authorities will send or receive voice packet there from speech processing module every 20ms, be transferred to radio communication master chip U100 by the SPI interface, radio communication master chip U100 carries out coded modulation in inside, amplify through the internal radio frequency amplifier, launch by antenna AN100 behind external matching circuit and the filter F100.During reception, radiofrequency signal is through filter F100, match circuit is delivered to radio communication master chip U100 and is carried out signal processing, obtain digital signal, give central control chip U200 by the SPI interface again, the control chip U200 of central authorities is according to data content, or sends to speech processing module, or does other processing.
In the speech processing module circuit, be provided with audio coding decoding chip U500, audio conversion chip U503 and audio frequency amplify chip U501.Audio coding decoding chip U500 is g.711 and the g.729 chip of encoding and decoding of a support, and speech processing module is carried out transfer of data and control by it and central control module.In sending voice process, after speech data enters from audio conversion chip U503, enter audio coding decoding chip U500 through after its inner conversion process, audio coding decoding chip U500 does the A/D conversion with the analog signal that receives and becomes digital signal, it is carried out g.711 or g.729 encoding be transferred to central control chip U200 by 16 parallel ports, the control chip U200 of central authorities is transferred to radio communication master chip U100 with data by the SPI interface, and radio communication master chip U100 launches the data encoding and decoding modulation back that receives by antenna AN100.In the voice receiving course, antenna will receive the demodulation of electromagnetic wave by radio communication master chip U100 and central control chip U200 and be converted to digital signal and be transferred to audio coding decoding chip U500, audio coding decoding chip U500 decodes according to coded format, and the D/A conversion is delivered to audio frequency and is amplified chip U501.Just can be delivered to loud speaker SPK500 by the signal that audio frequency amplifies after chip U501 amplifies.In conjunction with central control module and wireless communication module, these three modules constitute a complete signal circuit, realize under 802.11 communication patterns function of voice communication.
In the key-press matrix modular circuit, except the normal digital function key, go back an intercommunication key of additional designs S620.The intercommunication key is for adapting to the coal mine working environment in the special exploitation of the utility model.When pressing without any button, interrupt signal KEY_INT is in high level state always.When length is pressed intercommunication key S620, diode current flow on the full talk circuit of matrix interrupt circuit, make interrupt pin KEY_INT become low level, produce and interrupt, interruption processing module detects the generation of intercommunication incident, this interruption is sent to central control module, and central control module will produce call request message immediately and be wirelessly connected to base station/AP by wireless communication module, send to server.Server is received call request message, judge the state of this intercommunication group, if the state of this intercommunication group is in idle condition, promptly there is not intercommunication to call out existence or do not have the intercommunication request to exist in the intercommunication this moment group, the response message of server answering call request success, the state of this intercommunication group of server is set to active state simultaneously.If the state of this intercommunication group is an active state, the unsuccessful response message of server answering call request then.Central control module is received the response answer of server, if successful response is replied, this terminal obtains " right to speak " of this intercommunication group.Central control module sends the message of calling out beginning to (being that other are registered in the terminal on this intercommunication group) on the IP multicast address of this intercommunication group.The state of calling terminal enters into the call activity state.Calling terminal sends prompt tone, informs that call initiator can make a speech.Central control module is gathered speech data by speech processing module, and by wireless communication module, the WiFi WLAN (wireless local area network) is transmitted on the IP multicast address of this intercommunication group.When intercommunication finishes, call initiator discharges the intercommunication key, diode on the full talk circuit of matrix interrupt circuit ends, make interrupt pin KEY_INT become high level, produce and interrupt, interruption processing module detects finishing of intercommunication incident, and this interruption is sent to central control module, central control module will produce call release message and be wirelessly connected to base station/AP by wireless communication module, send to server.Server will send the IP multicast address of call release message to the intercommunication group.During the other-end caller, this terminal is in called state, receives speech data to speech processing module by base station/AP, wireless communication module, central control module, finishes a key intercommunication with this.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920112969U CN201374816Y (en) | 2009-01-19 | 2009-01-19 | Coal mine underground communication mobile phone with one-key intercom function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200920112969U CN201374816Y (en) | 2009-01-19 | 2009-01-19 | Coal mine underground communication mobile phone with one-key intercom function |
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| CN201374816Y true CN201374816Y (en) | 2009-12-30 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102143437A (en) * | 2011-01-21 | 2011-08-03 | 珠海市金海来科技有限公司 | Voice communication controller and communication system for positive pressure air breather |
| CN102611949A (en) * | 2011-12-22 | 2012-07-25 | 天津职业技术师范大学 | Voice auxiliary control device for interphones used in deep shafts of coal mines |
| CN103200536A (en) * | 2013-03-28 | 2013-07-10 | 中煤科工集团重庆研究院 | Mine vehicle-mounted voice talkback device |
| CN111585604A (en) * | 2020-06-17 | 2020-08-25 | 韶山恒旺电气有限公司 | Wireless digital intercommunication communication circuit |
| CN111913529A (en) * | 2020-08-04 | 2020-11-10 | 赵静亚 | PDA device capable of talkbacking and automatically playing voice |
| CN115580788A (en) * | 2022-09-26 | 2023-01-06 | 广州市保伦电子有限公司 | Intercom method and system based on production line configuration of intercom device |
-
2009
- 2009-01-19 CN CN200920112969U patent/CN201374816Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102143437A (en) * | 2011-01-21 | 2011-08-03 | 珠海市金海来科技有限公司 | Voice communication controller and communication system for positive pressure air breather |
| CN102611949A (en) * | 2011-12-22 | 2012-07-25 | 天津职业技术师范大学 | Voice auxiliary control device for interphones used in deep shafts of coal mines |
| CN103200536A (en) * | 2013-03-28 | 2013-07-10 | 中煤科工集团重庆研究院 | Mine vehicle-mounted voice talkback device |
| CN111585604A (en) * | 2020-06-17 | 2020-08-25 | 韶山恒旺电气有限公司 | Wireless digital intercommunication communication circuit |
| CN111913529A (en) * | 2020-08-04 | 2020-11-10 | 赵静亚 | PDA device capable of talkbacking and automatically playing voice |
| CN115580788A (en) * | 2022-09-26 | 2023-01-06 | 广州市保伦电子有限公司 | Intercom method and system based on production line configuration of intercom device |
| CN115580788B (en) * | 2022-09-26 | 2023-09-08 | 广东保伦电子股份有限公司 | Intercom method and system for configuring intercom equipment based on production line |
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Granted publication date: 20091230 |
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| CX01 | Expiry of patent term |