CN202918510U - Electric-power-dedicated emergency communication dual-mode wireless data terminal - Google Patents
Electric-power-dedicated emergency communication dual-mode wireless data terminal Download PDFInfo
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- CN202918510U CN202918510U CN 201220509281 CN201220509281U CN202918510U CN 202918510 U CN202918510 U CN 202918510U CN 201220509281 CN201220509281 CN 201220509281 CN 201220509281 U CN201220509281 U CN 201220509281U CN 202918510 U CN202918510 U CN 202918510U
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Abstract
The utility model discloses an electric-power-dedicated emergency communication dual-mode wireless data terminal in the technical field of electric power wireless data terminals. The electric-power-dedicated emergency communication dual-mode wireless data terminal is characterized in that the terminal comprises a main processor module, a DSP baseband processing communication module, a 1.8 GHz radio frequency circuit, a 1.8 GHz antenna matching circuit, a wireless data module, a FLASH memory module, a debugging interface circuit, a data interface module, a 2.4 GHz antenna matching module, a dual-power source power-supplying and monitoring module, a state display module, a first antenna and a second antenna; and the data interface module includes an RJ45 interface, a USB interface, an RJ11 interface and a data interface protection circuit. According to the terminal, based on data transmission features of an electric power emergency system in China, McWiLL broadband wireless local coverage can be expanded and the number of accessible terminals can be increased, and the compatibility of the electric power emergency communication wireless data terminal can be improved.
Description
Technical field
The utility model belongs to the electric power technical field of wireless data, relates in particular to a kind of electric power dedicated emergency communication dual-mode wireless data terminal.
Background technology
It is an important part of national accident contingency management system that emergency communication ensures, when the communication network facility wrecks, performance degradation or relate to national public safety particularly in the situation of the specific communication support mission such as Emergent Public Events, irreplaceable effect is all being brought into play in emergency communication.In recent years, southern sleet and snow ice natural calamity, 512 Wenchuan earthquakes have all exposed the fragility of our emergent passing abilities and the urgency of emergency communication demand more.Therefore, need to improve the communication support ability of the complicated situation of reply, try to explore and set up emergency communication to ensure the prediction scheme system.Because accident is with uncertainty and should acute attaching most importance to want feature, incident time, place can't be predicted in advance, wireless communication technology has the advantage that numerous wire communications such as networking is convenient and with low cost do not possess, so radio communication has become the scheme that the power emergency communication system optimal selects of building.
McWiLL(Multi-Carrier Wireless Information Local Loop, multi-carrier-wave wireless information local loop) being mobile broadband wireless access (BWA) system of domestic Beijing letter prestige communication independent research, also is the broadband evolution version of SCDMA comprehensive wireless access technology.McWiLL is the broadband wireless technology that Beijing letter prestige is derived based on SCDMA, and letter prestige company has intellectual property by Beijing.McWiLL is based on novel local private network, uses for the industry customer provides the multiple trade Special Network that satisfies the different levels demand.The compatible result of McWiLL and Wi-Fi and CDMA1XDO is all fine, has substantially met the requirement of standardization body.According to the data that the letter prestige was announced in June, 2008, system's speed of McWiLL single carrier/section can reach 15Mbps.
WLAN (Wireless Local Area Networks; WLAN) be data transmission system quite easily, it uses radio frequency (Radio Frequency; RF) technology is as the medium of the transmission of data, general about tens meters of transmitting range.The Backbone network of WLAN (wireless local area network) uses wire cable (Cable) usually, and wireless local network user is by one or more radio access devices (Wireless Access Points, WAP) accessing WLAN.WLAN (wireless local area network) has been applied in the business district now widely, university, airport, and other public domains.
Summary of the invention
For the problem of the existing electric power wireless communication terminal function singleness of mentioning in the background technology, the utility model proposes a kind of electric power dedicated emergency communication dual-mode wireless data terminal.
Its technical scheme is, a kind of electric power dedicated emergency communication dual-mode wireless data terminal, it is characterized in that, described terminal comprises main processor modules, DSP Base-Band Processing communication module, 1.8GHz radio circuit, 1.8GHz antenna-matching circuit, wireless data module, FLASH memory module, debug i/f circuit, data interface module, 2.4GHz antenna match module, dual power supply and monitoring modular, state display module, the first antenna and the second antenna; Described data interface module comprises RJ45 interface, USB interface, RJ11 interface and data-interface protective circuit;
Wherein, described main processor modules is connected with the data-interface protective circuit with described DSP Base-Band Processing communication module, wireless data module, debug i/f circuit, state display module, FLASH memory module respectively;
Described DSP Base-Band Processing communication module, 1.8GHz radio circuit, 1.8GHz antenna-matching circuit and the antenna of being connected connect in turn;
Described wireless data module is connected with debug i/f circuit with described main processor modules, state display module, 2.4GHz antenna-matching circuit respectively;
Described 2.4GHz antenna-matching circuit respectively with described wireless data module be connected antenna and be connected.
Described main processor modules adopts ARM9 kernel and (SuSE) Linux OS.
Described FLASH storage module by bus is connected with described main processor modules.
Described debug i/f circuit comprises the RJ45 interface.
Described state display module comprises display screen.
The beneficial effects of the utility model are, this terminal is in conjunction with the transfer of data characteristics of China power emergency system, be based on existing multi-carrier-wave wireless information local loop McWiLL broadband wireless technology and WLAN (wireless local area network) WLAN technology, adopt multi-carrier-wave wireless information local loop McWiLL broadband wireless technology to realize telecommunication, and by the local coverage of WLAN (wireless local area network) WLAN technological expansion McWiLL broadband wireless and the quantity of accessible terminal, promoted the compatibility of power emergency communication wireless data terminal.
Description of drawings
Fig. 1 is the hardware configuration schematic diagram of a kind of electric power dedicated emergency communication dual-mode wireless data terminal that provides of the utility model;
Fig. 2 is the software configuration schematic diagram of a kind of electric power dedicated emergency communication dual-mode wireless data terminal that provides of the utility model;
Wherein, 101-main processor modules; 102-DSP Base-Band Processing communication module; 103-1.8GHz radio circuit; 104-1.8GHz antenna-matching circuit; 105-wireless data module; The 106-FLASH memory module; The 107-debug i/f circuit; The 108-data interface module; 109-2.4GHz antenna match module; 110-dual power supply and monitoring modular; 111-state display module; 112-the first antenna; 113-the second antenna.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.Should be emphasized that following explanation only is exemplary, rather than in order to limit scope of the present utility model and application thereof.
Fig. 1 is the hardware configuration schematic diagram of a kind of electric power dedicated emergency communication dual-mode wireless data terminal that provides of the utility model.Among Fig. 1, described terminal comprises main processor modules, DSP Base-Band Processing communication module, 1.8GHz radio circuit, 1.8GHz antenna-matching circuit, wireless data module, FLASH memory module, debug i/f circuit, data interface module, 2.4GHz antenna match module, dual power supply and monitoring modular, state display module, the first antenna and the second antenna; Described data interface module comprises RJ45 interface, USB interface, RJ11 interface and data-interface protective circuit
Wherein, described main processor modules is connected with the data-interface protective circuit with described DSP Base-Band Processing communication module, wireless data module, debug i/f circuit, state display module, FLASH memory module respectively; Described DSP Base-Band Processing communication module, 1.8GHz radio circuit, 1.8GHz antenna-matching circuit and the antenna of being connected connect in turn; Described wireless data module is connected with debug i/f circuit with described main processor modules, state display module, 2.4GHz antenna-matching circuit respectively; Described 2.4GHz antenna-matching circuit respectively with described wireless data module be connected antenna and be connected.
Described main processor modules, based on ARM9 kernel and (SuSE) Linux OS, by the multitask-scheduling of bus realization to DSP Base-Band Processing communication module, wireless data module, FLASH memory mould, debug i/f circuit, data interface module, dual power supply and monitoring modular and state display module.
Described DSP Base-Band Processing communication module, software wireless electrical characteristics based on DSP, the adaptive tracing signal intensity is realized baseband modulation and demodulation, equilibrium and filtering, the bandwidth selection of signal and is abideed by the data packing of McWiLL agreement and parsing, data encrypting and deciphering task.
Described 1.8GHz radio circuit, the special-purpose 1.8GHz frequency range of McWiLL based on the reply of national the Radio Management Commission has realized the modulation /demodulation of the radiofrequency signal of McWiLL broadband wireless system signal.
Described 1.8GHz antenna-matching circuit is eliminated the reactive component in the antenna feed impedance well, makes resistive component as much as possible near the characteristic impedance of feeder line.
The wireless data module, a WLAN Wireless LAN module, based on the WLAN standard of IEEE802.11n standard, allow in LAN environment, to use the 2.4GHz radio-frequency range to carry out wireless connections, expanded the coverage of 1.8GHz broadband wireless system and the quantity of accessible terminal
Described FLASH memory module, memory span are 256MB, are used for storage program and buffer memory communication data.
Described debug i/f circuit provides a RJ45 interface, the functions such as the download of realization program and State-output inquiry.
Described data interface module; RJ45 interface, USB interface and RJ11 interface are provided; can be connected flexibly by the corresponding interface with other equipment, other has increased the data-interface protective circuit based on photoelectricity isolation and the design of ESD antistatic, has strengthened the reliability and stability of interface.
Described RJ45 interface based on novel ethernet controller ENC28J60 chip, meets the IEEE802.3 agreement, and for being complementary with 1.8GHz McWiLL broadband wireless wireless communication rate, the RJ45 interface provides the traffic rate of the highest 20Mbps;
Described USB interface, accessible 3G wireless network card at 1.8GHz McWiLL broadband wireless network coverage hole, can adopt the 3G public network as the remote backup communication mode;
Described RJ11 interface is telephone interface, and the traffic rate maximum can reach 56kbps.
Described 2.4GHz antenna match module is eliminated the reactive component in the antenna feed impedance well, makes resistive component as much as possible near the characteristic impedance of feeder line.
Described dual power supply and monitoring modular provide the output of two-way+5v/1A direct current, and the Real-Time Monitoring power supply status produces fault alarm information when power supply and load abnormal, and self-protecting, Switching power, guarantee system's normal power supply, strengthen power supply reliability;
Described state display module is used to indicate following any one or various states: power supply status, network state, communications status and signal condition.
Fig. 2 is the software configuration schematic diagram of a kind of electric power dedicated emergency communication dual-mode wireless data terminal that provides of the utility model.Among Fig. 2, the portable multi-mode wireless data terminal of described a kind of power emergency communication logic software structure comprises: hardware bottom layer drive software, operating system, API application interface function and power emergency interpretation software 204 four-layer structures.Wherein:
Described hardware bottom layer drive software is ground floor, adopts the C language, realizes the driving of each several part hardware circuit under the linux operating system.
Described operating system is the second layer, adopts linux operating system.
Described API application interface function, it is the 3rd layer, by the core business such as the voice of power emergency communication wireless data terminal, video, data and wireless communication module are carried out Integration Design, embedded G.729, G.711a, API software functions such as μ voice protocol, wireless communication protocol stack and Monitoring and Controlling G.711, the terminal software support platform of high-performance, low cost, integrated level height and technical grade is provided for power emergency communication system terminal production enterprise.
The above; it only is the better embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (5)
1. electric power dedicated emergency communication dual-mode wireless data terminal, it is characterized in that, described terminal comprises main processor modules, DSP Base-Band Processing communication module, 1.8GHz radio circuit, 1.8GHz antenna-matching circuit, wireless data module, FLASH memory module, debug i/f circuit, data interface module, 2.4GHz antenna match module, dual power supply and monitoring modular, state display module, the first antenna and the second antenna; Described data interface module comprises RJ45 interface, USB interface, RJ11 interface and data-interface protective circuit;
Wherein, described main processor modules is connected with the data-interface protective circuit with described DSP Base-Band Processing communication module, wireless data module, debug i/f circuit, state display module, FLASH memory module respectively;
Described DSP Base-Band Processing communication module, 1.8GHz radio circuit, 1.8GHz antenna-matching circuit and the antenna of being connected connect in turn;
Described wireless data module is connected with debug i/f circuit with described main processor modules, state display module, 2.4GHz antenna-matching circuit respectively;
Described 2.4GHz antenna-matching circuit respectively with described wireless data module be connected antenna and be connected.
2. a kind of electric power dedicated emergency communication dual-mode wireless data terminal according to claim 1 is characterized in that described main processor modules adopts ARM9 kernel and (SuSE) Linux OS.
3. a kind of electric power dedicated emergency communication dual-mode wireless data terminal according to claim 1 is characterized in that described FLASH storage module by bus is connected with described main processor modules.
4. a kind of electric power dedicated emergency communication dual-mode wireless data terminal according to claim 1 is characterized in that described debug i/f circuit comprises the RJ45 interface.
5. a kind of electric power dedicated emergency communication dual-mode wireless data terminal according to claim 1 is characterized in that described state display module comprises display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220509281 CN202918510U (en) | 2012-09-26 | 2012-09-26 | Electric-power-dedicated emergency communication dual-mode wireless data terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220509281 CN202918510U (en) | 2012-09-26 | 2012-09-26 | Electric-power-dedicated emergency communication dual-mode wireless data terminal |
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| CN202918510U true CN202918510U (en) | 2013-05-01 |
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| CN 201220509281 Expired - Fee Related CN202918510U (en) | 2012-09-26 | 2012-09-26 | Electric-power-dedicated emergency communication dual-mode wireless data terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986233A (en) * | 2014-05-16 | 2014-08-13 | 国家电网公司 | Electric power emergency communication terminal and networking method thereof |
| CN106059617A (en) * | 2016-07-15 | 2016-10-26 | 上海捷士太通讯技术有限公司 | Universal wireless communication module integrated with antenna |
| CN117062018A (en) * | 2023-10-11 | 2023-11-14 | 国网信息通信产业集团有限公司 | Special network communication device, communication configuration method, equipment and medium |
-
2012
- 2012-09-26 CN CN 201220509281 patent/CN202918510U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986233A (en) * | 2014-05-16 | 2014-08-13 | 国家电网公司 | Electric power emergency communication terminal and networking method thereof |
| CN103986233B (en) * | 2014-05-16 | 2015-10-28 | 国家电网公司 | Power emergency communication terminal and network-building method thereof |
| CN106059617A (en) * | 2016-07-15 | 2016-10-26 | 上海捷士太通讯技术有限公司 | Universal wireless communication module integrated with antenna |
| CN106059617B (en) * | 2016-07-15 | 2019-02-01 | 上海捷士太通讯技术有限公司 | A kind of antenna integrated Universal wireless communication module |
| CN117062018A (en) * | 2023-10-11 | 2023-11-14 | 国网信息通信产业集团有限公司 | Special network communication device, communication configuration method, equipment and medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20140926 |
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| EXPY | Termination of patent right or utility model |