CN204761728U - Multimode phone and radio station switching device - Google Patents
Multimode phone and radio station switching device Download PDFInfo
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- CN204761728U CN204761728U CN201520439182.2U CN201520439182U CN204761728U CN 204761728 U CN204761728 U CN 204761728U CN 201520439182 U CN201520439182 U CN 201520439182U CN 204761728 U CN204761728 U CN 204761728U
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Abstract
Multimode phone and radio station switching device mainly includes shell structure spare, includes still that power module, digital audio processing module, landline telephone pronunciation processing module, DSP digit processing module, mobile phone module, radio station relay module, keyboard processing module and LED screen display show the module, and multimode phone power module 0 signal passes through power module 1 power module 2 to digital audio processing module and landline telephone pronunciation processing module, keyboard processing module and LED screen display show module lug connection to DSP digit processing module, power module pass through power source and external power source input connection, power module be that digital audio processing module, DSP digit processing module, landline telephone pronunciation processing module, mobile phone module, radio station relay module, keyboard processing module and LED screen display show that the module provides dc operation voltage. It is applicable to on -the -spot establishs one or the occasion of a plurality of radio station communication network temporarily to realize command center's unified dispatch.
Description
Technical field
The utility model relates to a kind of multimode phone for emergency communication guarantee and radio station switching device, and especially a kind of remote station that realizes uses mobile telephone network, fixed-line telephone network and SIP networking telephone net to carry out the voice communications facility conversed as relaying under without radio signals overlay environment.
Background technology
As everyone knows, radio station's (comprising hand-held station) is merely able to carry out communicating or communicating mutually in certain coverage in certain scope, it is requisite a kind of means of communication in emergency communication, such as: the Digital Clusterings such as IDEN, 350M general communication net, general conventional intercom system etc., but cost is high, it is huge to invest, area is wide, and the network coverage is very poor.In order to multiple radio station that can realize without the scene of the accident in coverage can keep conversing with Police Command Center, realize commanding in real time, have very much and must have a kind of facility that on-the-spot radio station speech can be linked into command centre of employing.Current similar products only have and carry out ultrashort voice transit by short-wave radio set, but investment is large, sound effect is poor, and closely use has larger restriction simultaneously, and few people adopt.
In order to multiple radio station that can realize without the scene of the accident in coverage can keep conversing with Police Command Center, realize commanding in real time, be necessary very much to adopt a kind of communicator that on-the-spot radio station speech can be linked into command centre.
Utility model content
The purpose of this utility model is the deficiency solving the station telecommunication network coverage in prior art, and provide a kind of structure simple, easy to use, volume is little, multimode phone of good performance and radio station switching device, have employed mobile telephone network, fixed-line telephone network and the SIP phone net voice trunking module as radio station, realize four different communication systems and communicate.
To achieve these goals, the utility model solves the technical scheme that its technical problem adopts and is:
Multimode phone and radio station switching device, mainly comprise shell mechanism part, it is characterized in that: also comprise power module, Digital audio process module, landline telephone speech processing module, DSP digital signal processing module, mobile telephone module, radio station trunk module, keyboard process module and LED screen display module, radio station, SIP phone and landline telephone signal are connected to Digital audio process module and landline telephone speech processing module by aviation plug interface, described keyboard process module and LED screen display module are connected directly to DSP digital signal processing module, described power module is connected with external power source input by power interface, described power module is Digital audio process module, DSP digital signal processing module, landline telephone speech processing module, mobile telephone module, radio station trunk module, keyboard process module and LED screen display module provide direct-current working volts.
The voice signal of described mobile phone passes through wireless signal and the mobile telephone module communication of antennal interface, again by transmitting voice signal to Digital audio process module, be then transferred to after DSP digital signal processing module carries out filtering, level and smooth, noise reduction, analysis, identification DTMF and export.
Described landline telephone is connected with landline telephone speech processing module by aviation plug interface, is then transferred to DSP digital signal processing module and carries out filtering, smoothly, noise reduction, analysis, to export after identification DTMF.
Described SIP phone is connected with Digital audio process module by aviation plug interface, is then transferred to DSP digital signal processing module and carries out filtering, smoothly, noise reduction, analysis, to export after identification DTMF.
The phonetic entry of described radio station completes FIR filtering and dtmf signal analysis to Digital audio process module, then radio station speech data is obtained through the process of DSP digital signal processing module, DSP digital signal processing module is packaged into standard RTP protocol data (RFC3550) and SIP data (RFC3261) radio station speech data, is sent to SIP phone server, landline telephone switch and mobile telephone base station by aviation plug interface, RJ-45 interface, antennal interface.
The beneficial effects of the utility model are:
1, it extends the coverage of radio station, reduces investment, and simultaneously owing to aiming at vehicle-mounted design, installation of being more convenient for is carried, and the link ensured for each emergency communication provides strong support.
2, communication interconnecting function of the present utility model makes the call that can adopt various ways and command centre at the scene of emergency communication when covering without radio station flexibly, the speech in multiple for scene different radio station and command centre are interconnected, this sets up interim command system for emergency communication and provides good solution.
3, it can be connected with SIP phone net mobile telephone network, fixed-line telephone network with station telecommunication system, four different communication system voice intercommunications.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present utility model.
Fig. 2 is flow chart of data processing figure of the present utility model.
Fig. 3 is interrupt processing flow chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but the utility model is not limited to following examples.As shown in Figure 1, multimode phone and radio station switching device comprise shell mechanism part, also comprise power module 8, Digital audio process module 3, landline telephone speech processing module 2, DSP digital signal processing module 4, mobile telephone module 6, radio station trunk module 5, keyboard process module 11 and LED screen display module 12; Mobile phone is connected to Digital audio process module 3 and landline telephone speech processing module 2 by the voice signal of RJ-45 network interface, outside radio station relaying by aviation plug interface 1 by antennal interface 10, SIP phone and landline telephone, PTT, COR signal in outside radio station is connected to DSP digital signal processing module 4 through aviation plug interface 1, and power supply or the internal cell 9 of outside vehicle-mounted 9 to 36V input to power module 8 via power interface 7; Described keyboard process module 11 and LED screen display module 12 are connected directly to DSP digital signal processing module 4, described power module 8 is connected with external power source input by power interface 7, and described power module 8 is Digital audio process module 3, DSP digital signal processing module 4, landline telephone speech processing module 2, mobile telephone module 6, radio station trunk module 5, keyboard process module 10 and LED screen display module 11 provide direct-current working volts.
The voice signal of described mobile phone is by base station and mobile telephone module 6 communication, again by transmitting voice signal to Digital audio process module 3, be transferred to after this voice signal is digitized after DSP digital signal processing module 4 carries out filtering, level and smooth, noise reduction, analysis, identification DTMF and export.DSP digital signal processing module 4 is divided into two parts: data processing main program and interrupt handling routine.As shown in Figure 3, interrupt handling routine is responsible for the MIC reception buffer zone data in buffering area being sent to ancillary equipment, be responsible for the input voice data of outside to read in simultaneously and buffer memory to data buffer zone; As shown in Figure 2, speech data in the buffering area that data processing main program receives carries out FIR filtering, remove external interference signals, and the suppression of background noise is carried out according to the gain of signal, the PTT signal in radio station is determined whether to open according to the pronouncing frequency whether meeting people, in this case, there is no the judgement of mistake, interference can not be caused due to the background noise of mobile phone to station telecommunication; Meanwhile, whether receive signal COR to have determined whether radio station giving orders or instructions according to radio station, because radio station belongs to on-the-spot emergency communication equipment, priority, higher than the speech of mobile phone, therefore closes transmitting of PTT when there is COR signal.
Radio station needs to open PTT in advance when sending speech, simultaneously after transmission speech completes, wants delayed closedown PTT, and this delay by timer in data processing main program controls.Time of delay is in advance adjustable at 100ms to 1000ms, and the about 500ms of the free time between word and word, therefore should be greater than 500ms and be less than 3000ms lag time due to the language speed of people delayed time of delay.
Described landline telephone is connected with landline telephone speech processing module 2 by landline telephone switch, then be transferred to after DSP digital signal processing module 4 carries out filtering, level and smooth, noise reduction, analysis, identification DTMF and export, determine whether to open PTT signal and whether support radio station priority scheduling strategy according to the result analyzed and identify simultaneously.Described SIP phone is connected with Digital audio process module 3 by sip server, is then transferred to after DSP digital signal processing module 4 carries out filtering, level and smooth, noise reduction, analysis, identification DTMF and exports.
The phonetic entry of described radio station completes FIR filtering and dtmf signal analysis to Digital audio process module, then radio station speech data is obtained through the process of DSP digital signal processing module, DSP digital signal processing module is packaged into standard RTP protocol data (RFC3550) and SIP data (RFC3261) radio station speech data, is sent to SIP phone server, landline telephone switch and mobile telephone base station by aviation plug interface, RJ-45 interface, antennal interface.
The utility model have employed DSP digital processing chip, carries out digitlization, filtering, level and smooth, noise reduction, analysis, identification intercommunication to the voice signal in mobile phone GSM/CDMA/3G, landline telephone, the SIP networking telephone and radio station.
The utility model adopts a kind of digital processing technology public's mobile telephone network, fixed-line telephone network, SIP phone net and broadcasting station equipment to be coupled together, and realizes one or more long-range radio station and accesses to certain specifically commander's call point also call mutually by mobile telephone network as relaying.Adopted mobile phone be not limited to the device such as mobile phone, telephone set, comprise the equipment such as the MODEM that can access public's mobile telephone network simultaneously.
Digital audio process module 3 described in the utility model inputs with outside mobile phone phonetic, MIC, GND are connected, and Digital audio process module 3 is connected with outside radio station phonetic entry, MIC, GND simultaneously.
The data that described Digital audio process module 3 collects carry out exporting from other direction after filtering, level and smooth, noise reduction, analysis, identification DTMF through DSP digital signal processing module 4; The utility model can identify whether authentic voice input, and determines whether the PTT signal opening radio station on this basis, has the measuring ability of dtmf signal, and can carry out the control action of voice priority, exterior I/O according to the content of dtmf signal.It can be connected public's mobile telephone network, fixed-line telephone network, SIP phone net with station telecommunication system, realize the voice intercommunication between public telephone and radio station system, the connection device adopted is not limited to the device such as mobile phone, telephone set, comprises the equipment such as the MODEM that can access public's mobile telephone network simultaneously.
The technology that the utility model is not described in detail is known technology, and those skilled in the art can implement the utility model easily on the basis understanding this specification, and content represented in accompanying drawing is the part of this specification.
The claimed scope of the utility model is not limited to each embodiment introduced herein, all various forms of conversion of doing based on the utility model claim and description and replacement, all belongs to the scope that the utility model patent contains.
Claims (5)
1. multimode phone and radio station switching device, mainly comprises shell mechanism part, it is characterized in that: also comprise power module (8), Digital audio process module (3), landline telephone speech processing module (2), DSP digital signal processing module (4), mobile telephone module (6), radio station trunk module (5), keyboard process module (11) and LED screen display module (12), radio station, SIP phone and landline telephone signal are connected to Digital audio process module (3) and landline telephone speech processing module (2) by aviation plug interface (1), described keyboard process module (11) and LED screen display module (12) are connected directly to DSP digital signal processing module (4), described power module (8) is connected with external power source input by power interface (7), and described power module (8) is Digital audio process module (3), DSP digital signal processing module (4), landline telephone speech processing module (2), mobile telephone module (6), radio station trunk module (5), keyboard process module (11) and LED screen display module (12) provide direct-current working volts.
2. multimode phone according to claim 1 and radio station switching device, it is characterized in that the voice signal of described mobile phone is by the wireless signal of antennal interface (10) and mobile telephone module (6) communication, again by transmitting voice signal to Digital audio process module (3), be then transferred to after DSP digital signal processing module (4) carries out filtering, level and smooth, noise reduction, analysis, identification DTMF and export.
3. multimode phone according to claim 1 and radio station switching device, it is characterized in that described landline telephone is connected with landline telephone speech processing module (2) by aviation plug interface (1), be then transferred to after DSP digital signal processing module (4) carries out filtering, level and smooth, noise reduction, analysis, identification DTMF and export.
4. multimode phone according to claim 1 and radio station switching device, it is characterized in that described SIP phone is connected with Digital audio process module (3) by aviation plug interface (1), be then transferred to after DSP digital signal processing module (4) carries out filtering, level and smooth, noise reduction, analysis, identification DTMF and export.
5. multimode phone according to claim 1 and radio station switching device, it is characterized in that the phonetic entry of described radio station completes FIR filtering and dtmf signal analysis to Digital audio process module (3), then radio station speech data is obtained through DSP digital signal processing module (4) process, DSP digital signal processing module (4) is packaged into standard RTP protocol data (RFC3550) and SIP data (RFC3261) radio station speech data, by aviation plug interface (1), RJ-45 interface, antennal interface (10) is sent to SIP phone server, landline telephone switch and mobile telephone base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439182.2U CN204761728U (en) | 2015-06-23 | 2015-06-23 | Multimode phone and radio station switching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439182.2U CN204761728U (en) | 2015-06-23 | 2015-06-23 | Multimode phone and radio station switching device |
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| CN204761728U true CN204761728U (en) | 2015-11-11 |
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| CN201520439182.2U Expired - Fee Related CN204761728U (en) | 2015-06-23 | 2015-06-23 | Multimode phone and radio station switching device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356927A (en) * | 2015-12-25 | 2016-02-24 | 河南省电力勘测设计院 | Relay method and relay adaptor for short-wave radio station |
| CN107248894A (en) * | 2017-06-02 | 2017-10-13 | 广东凌传科技有限公司 | Embedded radio station IP voice modules and its control method |
| CN107566027A (en) * | 2017-10-20 | 2018-01-09 | 威海富创电子科技有限公司 | Relay radio station |
-
2015
- 2015-06-23 CN CN201520439182.2U patent/CN204761728U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356927A (en) * | 2015-12-25 | 2016-02-24 | 河南省电力勘测设计院 | Relay method and relay adaptor for short-wave radio station |
| CN107248894A (en) * | 2017-06-02 | 2017-10-13 | 广东凌传科技有限公司 | Embedded radio station IP voice modules and its control method |
| CN107248894B (en) * | 2017-06-02 | 2019-06-11 | 广东凌传科技有限公司 | Embedded radio station IP voice module and its control method |
| CN107566027A (en) * | 2017-10-20 | 2018-01-09 | 威海富创电子科技有限公司 | Relay radio station |
| CN107566027B (en) * | 2017-10-20 | 2023-11-03 | 山东富创电子科技有限公司 | Relay station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20180623 |