CN207652704U - It is a kind of key field used in speech scrambling equipment - Google Patents
It is a kind of key field used in speech scrambling equipment Download PDFInfo
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- CN207652704U CN207652704U CN201721919718.6U CN201721919718U CN207652704U CN 207652704 U CN207652704 U CN 207652704U CN 201721919718 U CN201721919718 U CN 201721919718U CN 207652704 U CN207652704 U CN 207652704U
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Abstract
The utility model discloses speech scrambling equipment used in a kind of crucial field, including programme-controlled exchange, digital relay gateway, sip server, dispatching desk, ground base station, several wireless base stations and mobile terminal, it is located at ground or more including programme-controlled exchange, digital relay gateway, sip server, dispatching desk and ground base station, wireless base station and mobile terminal are located in tunnel；Programme-controlled exchange is connected with digital relay gateway, digital relay gateway, sip server, dispatching desk and ground base station are connected by cable with one of wireless base station, it is connected by optical fiber between wireless base station, wireless telecommunications connection between wireless base station and mobile terminal.The utility model can meet safe and reliable communication need, have the characteristics that quick Low emissivity, deployment, upgrade expanding convenience, terminal applies maturation, networking flexibility, compatibility are strong.
Description
Technical field
The utility model is related to speech scrambling equipment used in a kind of crucial field, belong to technical field of communication equipment.
Background technology
In certain crucial places (such as refuge chamber, tunnel), need to carry out reliable voice communication, and this kind of call pair
Reliability, security requirement are higher.For this kind of key area, existing mode is mostly to be solved using telephone.And have
Line phone above has some limitations in application.
Utility model content
The purpose of this utility model is that a kind of used encryption in crucial field can be provided with deficiency in the prior art
Verbal system can meet safe and reliable communication need.
In order to solve the above technical problems, the utility model adopts the following technical scheme：
It is a kind of key field used in speech scrambling equipment, including programme-controlled exchange, digital relay gateway, sip server,
Dispatching desk, ground base station, several wireless base stations and mobile terminal, including programme-controlled exchange, digital relay gateway, sip server,
Dispatching desk and ground base station are located at ground or more, and wireless base station and mobile terminal are located in tunnel；In programme-controlled exchange and number
It is connected after gateway, digital relay gateway, sip server, dispatching desk and ground base station pass through cable and one of them wireless base
It stands and is connected, be connected by optical fiber between wireless base station, wireless telecommunications connection between wireless base station and mobile terminal.
WIFI wireless communications are initially positioned at the short distance wireless technical used in office and family, but with WIFI without
The development of line communication technology, especially the demand in terms of civilian WIFI wireless communications is in explosive growth in recent years, and WIFI is wireless
The transmission bandwidth of base station, transmission range, stability etc. are greatly improved, and mainly have feature：
1, high bandwidth：With the appearance of 802.11n standard chips and popularizing for application, (highest can for the characteristic of high bandwidth
Up to 300Mbps), it can easily cope with the business demands such as data transmission, voice communication.
2, remote：Wireless communication distance be judgement WIFI wireless terminals and two kinds of wireless base station equipment in transmission power and
Sensitive effective means is received, WIFI is wirelessly communicated earlier, and although there is high transmitting power in base station, but receiving sensitivity is relatively low,
And WIFI wireless terminals, in the case of battery powered, transmission power can not be too high, and equally faces receiving sensitivity not
High problem, this results in the communication distance between WIFI wireless telecom equipments very short, and with WIFI wireless communication techniques
Development, the especially maturation in low noise amplification and antenna technology, are greatly improved in terms of receiving sensitivity.In well
Lower tunnel, achievable 200 meters of wireless video transmission between common WIFI wireless terminals and wireless base station, and if
Speech business, transmission range can reach 350 meters.
3, high reliability：Wireless communication system based on IP-based switching, is applied in many occasions, such as IP
Phone, wechat, QQ phones etc., while during China's mining, wireless communication system is all used mostly, maturity is got over
Come that higher, stability is more and more stronger.
4, unrestricted：WIFI is operated in internationally recognized free frequency range, while WIFI wireless communications are built in underground, no
Free, efficiently voice, the data service in certain area can be realized in the wireless base stations surface construction WIFI by being restricted
It exchanges, while investment reduction, substantially increases efficiency of the practice.
In speech scrambling equipment used in a kind of crucial field above-mentioned, the wireless base station is WIFI signal transmitter.
In speech scrambling equipment used in a kind of crucial field above-mentioned, the mobile terminal is mobile phone.
In speech scrambling equipment used in a kind of crucial field above-mentioned, the wireless base station is arranged along tunnel, mobile whole
The quantity at end is more than the quantity of wireless base station.
In speech scrambling equipment used in a kind of crucial field above-mentioned, the mobile terminal is used for and other one
Mobile terminal carries out voice communication and/or word conveying.
In speech scrambling equipment used in a kind of crucial field above-mentioned, the mobile terminal is used for and programme-controlled exchange
Carry out voice communication.
In speech scrambling equipment used in a kind of crucial field above-mentioned, the mobile terminal is used for and in addition multiple
Mobile terminal carries out voice communication.
In speech scrambling equipment used in a kind of crucial field above-mentioned, the mobile terminal, for receiving wireless base station
The data information of transmission.
In speech scrambling equipment used in a kind of crucial field above-mentioned, the mobile terminal is used for and the dispatching desk
Carry out voice communication.
In speech scrambling equipment used in a kind of crucial field above-mentioned, the mobile terminal, for monitoring voice messaging,
And voice messaging is sent to ground base station.
Compared with prior art, the utility model can meet safe and reliable communication need.Based on ripe WIFI without
Line ethernet technology adapts to the wireless dispatching communication system that underworkings uses, not only with the complete of traditional wire scheduling system
Ministry dispatching function, and command scheduling can be carried out to WIFI wireless terminal devices, i.e. it is a variety of to be integrated with traffic, scheduling etc. for this system
Additional function and value-added service have Low emissivity, deployment quick, upgrade expanding convenience, terminal applies maturation, networking flexibility, simultaneous
The features such as capacitive is strong.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model.
Reference numeral：1- programme-controlled exchanges, 2- digital relay gateways, 3-SIP servers, 4- dispatching desks, 5- ground base stations,
Several wireless base stations 6-, 7- mobile terminals.
The utility model is further described with reference to the accompanying drawings and detailed description.
Specific implementation mode
The embodiments of the present invention 1：As shown in Figure 1, speech scrambling equipment used in a kind of key field, including it is program-controlled
Interchanger 1, digital relay gateway 2, sip server 3, dispatching desk 4, ground base station 5, several wireless base stations 6 and mobile terminal 7,
It is located at ground or more including programme-controlled exchange 1, digital relay gateway 2, sip server 3, dispatching desk 4 and ground base station 5, wirelessly
Base station and mobile terminal 7 are located in tunnel；Programme-controlled exchange 1 is connected with digital relay gateway 2, digital relay gateway 2, SIP clothes
Business device 3, dispatching desk 4 are connected by cable with one of wireless base station with ground base station 5, pass through optical fiber between wireless base station
It is connected, wireless telecommunications connection between wireless base station and mobile terminal 7.
The wireless base station is WIFI signal transmitter.The mobile terminal 7 is mobile phone.The wireless base station is along tunnel cloth
It sets, the quantity of mobile terminal 7 is more than the quantity of wireless base station.
The mobile terminal 7, for carrying out voice communication and/or word conveying with an other mobile terminal 7.
The mobile terminal 7, for carrying out voice communication with programme-controlled exchange 1.
The mobile terminal 7, for carrying out voice communication with other multiple mobile terminals.
The mobile terminal, the data information for receiving wireless base station transmission.
The mobile terminal, for carrying out voice communication with the dispatching desk 4.
The mobile terminal is sent to ground base station 5 for monitoring voice messaging, and by voice messaging.
A kind of operation principle of the embodiment of the utility model：This WIFI wireless communication systems use wired+wireless mould
Formula realizes underground and underground, the real-time voice between underground and ground and data service function.From ground to downhole wireless base station
Use optical fiber wire transmission mode；From downhole wireless base station to WIFI WLANs are used WIFI wireless terminals, in nothing
Voice-and-data business in line base station signal coverage area can all be realized freely.
Terrestrial wireless dispatching platform is out using 2M digital junctions, is cascaded with original dispatching telephone, realize underground it is wired with
No-charge call between wireless between the mutual arbitrary WIFI wireless terminals of seamless connection and underground, preferably compensates for wired call
Deficiency in terms of immovability.
It solves demand of the scenes such as tunnel to encryption system from principle, there is reliability height, Encryption Algorithm to be difficult to brokenly
Solution, the features such as stability is good, networking flexibility, collocation facilitate.
Claims (4)
1. speech scrambling equipment used in a kind of key field, which is characterized in that including programme-controlled exchange (1), digital junction net
Close (2), sip server (3), dispatching desk (4), ground base station (5), several wireless base stations (6) and mobile terminal (7), including journey
Controlled switching system (1), digital relay gateway (2), sip server (3), dispatching desk (4) and ground base station (5) are located at ground or more,
Wireless base station (6) and mobile terminal (7) are located in tunnel；Programme-controlled exchange (1) is connected with digital relay gateway (2), in number
Pass through cable and one of wireless base station phase after gateway (2), sip server (3), dispatching desk (4) and ground base station (5)
Even, it is connected by optical fiber between wireless base station, wireless telecommunications connection between wireless base station and mobile terminal (7).
2. speech scrambling equipment used in a kind of crucial field according to claim 1, which is characterized in that the wireless base
Station is WIFI signal transmitter.
3. speech scrambling equipment used in a kind of crucial field according to claim 2, which is characterized in that described mobile whole
It is mobile phone to hold (7).
4. speech scrambling equipment used in a kind of crucial field according to claim 3, which is characterized in that the wireless base
It stands and is arranged along tunnel, the quantity of mobile terminal (7) is more than the quantity of wireless base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919718.6U CN207652704U (en) | 2017-12-29 | 2017-12-29 | It is a kind of key field used in speech scrambling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919718.6U CN207652704U (en) | 2017-12-29 | 2017-12-29 | It is a kind of key field used in speech scrambling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652704U true CN207652704U (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721919718.6U Active CN207652704U (en) | 2017-12-29 | 2017-12-29 | It is a kind of key field used in speech scrambling equipment |
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| CN (1) | CN207652704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107995618A (en) * | 2017-12-29 | 2018-05-04 | 重庆希诺达通信有限公司 | Speech scrambling equipment used in a kind of key field |
-
2017
- 2017-12-29 CN CN201721919718.6U patent/CN207652704U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107995618A (en) * | 2017-12-29 | 2018-05-04 | 重庆希诺达通信有限公司 | Speech scrambling equipment used in a kind of key field |
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