The wireless network terminal machine of a kind of Radio Network System and use thereof
Technical field
The utility model relates to the wireless network terminal machine of a kind of Radio Network System and use thereof, belongs to the open-air wellbore communication system of petroleum industry.
Background technology
Open-air well site " three nets " is meant VGA video network, telephone network, data communication network.The conventional method of the on-the-spot three screen cloth lines in well site is at present: adopt wired installation, three kinds of networks are separate, all need independent wiring during installation, Installation and Debugging examination difficulty is bigger at the scene, time-consuming taking a lot of work, especially now each oil field to safety requirements all than higher, especially in the hydrogen sulfide area, drilling team's house comprises that well site house (supervision house, tool pusher, technician's etc. houses) is distant from the comprehensive logging instrument instrument shelter, general distance has brought a lot of inconvenience for the installation of " three nets " all about 200-400 rice especially.When especially needing to cross highway, the wiring to three nets brings difficulty especially; Difficult problems such as and network signal line and VGA video signal cable can cause the network signal decay when surpassing 100 meters, and video image is smudgy.
In addition, disclosed in the Chinese utility model patent " a kind of teledata mobile phone " as the patent No. 200420031238.2, exist in the well site in the open air at present so that be basic open-air wellbore communication system with the cordless communication network of telecom operators, but because the environment of petroleum industry work is usually in the more abominable place of environment, usually the wireless network of telecom operators can not cover, make this communication mode usually receive the restriction of the network coverage, brought a lot of inconvenience to use.
The utility model content
The purpose of this utility model provides the wireless network terminal machine of a kind of Radio Network System and use thereof, with solving three screen cloth line difficulties, installing inconvenient and signal attenuation that causes because of wiring distance is long and the problem that is subjected to network coverage restriction.
For achieving the above object, the utility model adopts following technical scheme: a kind of Radio Network System, comprise central machine room and a plurality of terminal technical service, described central machine room is provided with a wireless network terminal machine, this wireless network terminal machine correspondence is connected with telephone set, monitoring equipment, antenna and network terminal machine and server, described each terminal technical service is equipped with a wireless network terminal machine, this wireless network terminal machine correspondence is connected with telephone set, monitoring equipment, dual-mode antenna and network terminal machine, described wireless network terminal machine comprises power module, the voice-over-net gateway module, the video terminal module, radio access module and data exchange module, described voice-over-net gateway module, the video terminal module, radio access module is connected respectively to data exchange module, the feeder ear of described voice-over-net gateway module, video terminal module for power supply end, the radio access module feeder ear connects the corresponding output of power module respectively, also be provided with interface panel on the described wireless network terminal machine, described interface panel is provided with respectively and the voice-over-net gateway module, the video terminal module, radio access module and the corresponding interface socket that is connected of data exchange module, described central machine room and terminal technical service are formed WLAN (wireless local area network) by the radio signals of the emission of the radio access module in the wireless network terminal machine separately respectively, the telephone set of described each machine room, voice-over-net gateway module in the wireless network terminal machine is formed networking telephone net, the monitoring equipment of described each machine room by described WLAN (wireless local area network), video terminal module in the wireless network terminal machine is formed the video monitoring net by described WLAN (wireless local area network).
The input of described power module is electrically connected with a lightning protection, anti-surge module.
A kind of wireless network terminal machine, this wireless network terminal machine comprises power module, be used for analog signal conversion is the voice-over-net gateway module of the WLAN (wireless local area network) data packet format signal of telecommunication, be used in the video terminal module that the VGA vision signal is converted to the WLAN (wireless local area network) data packet format signal of telecommunication, be used for electrical signal conversion is the radio access module and the data exchange module of radio signals, described voice-over-net gateway module, the video terminal module, radio access module is connected respectively to data exchange module, the feeder ear of described voice-over-net gateway module, video terminal module for power supply end, radio access module feeder ear and data exchange module feeder ear connect the corresponding output of power module respectively, also be provided with interface panel on the described wireless network terminal machine, described interface panel is provided with respectively and the voice-over-net gateway module, the video terminal module, radio access module and the corresponding interface socket that is connected of data exchange module.
The input of described power module is electrically connected with a lightning protection, anti-surge module.
The beneficial effects of the utility model are: this uses novel described Radio Network System, use radio network technique to replace present wired connection, guaranteed signal quality in transmission course, removed the inconvenience that traditional analog telephone wiring and video monitoring wiring bring from, overcome the restriction that telecom operators' wireless network covers, described wireless network terminal machine is integrated VGA video network, telephone network, three kinds of functions of data communication network, when networking, make things convenient for the installation of equipment, reduced the time of networking; The multi-user operating system that adopts network terminal machine and server to form simultaneously, compare the conventional local area of forming by computer and use telecom operators' wireless network then to significantly reduce the expenditure of cost, and Radio Network System described in the utility model is not subjected to the restriction of external environment, is particularly suitable for the place that telecommunications network can not cover.
Description of drawings
Fig. 1 is the theory diagram of wireless network terminal machine described in the utility model;
Fig. 2 is a Radio Network System block diagram described in the utility model.
Embodiment
In conjunction with Fig. 1 wireless network terminal machine described in the utility model is described, it comprises a voice-over-net gateway, video terminal (VD1000 of Tsing Hua Tong Fang), wireless access device AP, switch and with the corresponding interface of the said equipment, and lightning protection, anti-surge module, power module, described voice-over-net gateway, video terminal (VD1000 of Tsing Hua Tong Fang), wireless access device AP is connected to switch by netting twine respectively, the feeder ear of described voice-over-net gateway, the feeder ear of video terminal, wireless access device feeder ear and data exchange module feeder ear connect the corresponding output of power module respectively, the input of power module and lightning protection, anti-surge module is electrically connected, wherein said voice-over-net gateway can connect telephone set by its corresponding interface and be used for the conversion of analog signal to digital signal, and through coding, be packaged into the data packet format that WLAN (wireless local area network) is used, described video terminal can connect monitoring equipment by its corresponding interface and be used to realize the monitoring of traditional VGA video network, and wireless access device can connect the electrical signal conversion that antenna is used for receiving by its corresponding interface and be radio signals and launch.
Illustrate by Radio Network System described in the utility model in conjunction with Fig. 2, this system comprises a central machine room and a plurality of terminal technical service, described central machine room is provided with a wireless network terminal machine 1, this wireless network terminal machine 1 is connected with an omnidirectional antenna 6 by corresponding interface respectively, telephone set 2, monitoring equipment 3, network terminal machine 4 and server 5, described each terminal technical service is provided with a wireless network terminal machine 1, it by corresponding interface respectively correspondence be connected with directional antenna 7, telephone set 2, monitoring equipment 3 and network terminal machine 4, above-mentioned central machine room and all terminal technical services are formed a WLAN (wireless local area network) by the radio signals of the wireless access device emission in the wireless network terminal machine 1 separately; Voice-over-net gateway in the wireless network terminal machine 1 of telephone set 2 and corresponding connection with it in each machine room is formed the VOIP network phone system by WLAN (wireless local area network); Video terminal in the monitoring equipment 3 in each machine room and the wireless network terminal machine 1 of corresponding connection with it is formed the video surveillance network system by WLAN (wireless local area network); In addition in each machine room with wireless network terminal machine 1 in the direct-connected network terminal machine of switch 4 form shared computer system with the server 5 in the central machine room by network terminal server software (network terminal machine be a computer that does not contain CPU memory hard disk and mainboard.It is a multi-user operation characteristic itself that utilize the Windows2000/XP/2003/OS operating system of Microsoft exploitation to possess.Allow the shared host computer of 2--30 cover monitor keyboard mouse simultaneously, every network terminal machine all has own user name login, check own desktop and independently the various application programs of use and be independent of each other).
The operation principle of unification of three nets system that this is wireless is: at first the radio signals of being launched by antenna separately by the wireless access device in the wireless network terminal machine 1 in each machine room are formed a WLAN (wireless local area network), form network phone system by the voice gateways module in the wireless network terminal machine 1 of telephone set 2 and corresponding connection by WLAN (wireless local area network) in each machine room with them, video terminal in the monitoring equipment 3 in each machine room and the wireless network terminal machine 1 of corresponding connection with it is formed the video surveillance network system by WLAN (wireless local area network); In each machine room with wireless network terminal machine 1 in the direct-connected network terminal machine of switch 4 form by network terminal server software with the server 5 in the central machine room and share computer system.
Wherein the course of work of network phone system is as follows: the analog signal that produces behind the caller dials phone is at first carried out conversion of signals by the voice gateways of wireless network terminal machine 1, (agreement used of present most voice-over-net gateway module support has: H323 to be encoded into data packet format based on WLAN (wireless local area network), MGCP and Session Initiation Protocol, and support G.723.1, G.711, G.729 wait multiple voice coding modes, the mode difference of the speech coding of using, the shared network bandwidth of phone is also different, can select according to network environment), convert the electrical signal to radio signals by wireless access device and be sent to the callee through WLAN (wireless local area network), via the wireless access device in callee's the wireless network terminal machine 1 radio signals are converted to the signal of telecommunication, be transmitted to its voice-over-net gateway by the switch in callee's wireless network terminal machine, the voice-over-net gateway is through decoding, the analog signal that conversion will become telephone set to use based on the signal transformation of the data packet format of WLAN (wireless local area network).
The course of work of video surveillance network system is as follows: the at first compound logging client control software login by installing on any one center monitoring machine 3, the address that input will be visited, be connected to the video terminal that to visit by WLAN (wireless local area network), just can realize video monitoring far-end.
The course of work of sharing computer system is: the network terminal server software of network terminal machine 4 by installing in each machine room, utilize the server 5 of the user name login central machine room of oneself, check oneself desktop and the independent application program of using, realize Long-distance Control and remote monitoring and be independent of each other.