CN204859568U

CN204859568U - Motor car wireless internet access system

Info

Publication number: CN204859568U
Application number: CN201520587529.8U
Authority: CN
Inventors: 温宇驰; 袁乾浩; 刘晓建; 王晓宇; 覃国珍; 马苗苗; 寇强; 胡博
Original assignee: Shang Yimin
Current assignee: Shang Yimin
Priority date: 2015-08-06
Filing date: 2015-08-06
Publication date: 2015-12-09
Anticipated expiration: 2025-08-06

Abstract

The utility model discloses a motor car wireless internet access system. The network signal is poor on mainly solving the train, and communication quality is low, the slow problem of online speed, and it includes: wireless network equipment (3) in ground network (1), customer end (2) and every carriage, the wireless network equipment in every carriage respectively with ground network and the two -way wireless connection of customer end, wireless network equipment comprises antenna, bicycle server, AP access point both way junction in proper order, and the bicycle server constitutes a multi -hop network MESH node with the antenna, this node is realized communicating with the multi -hop network MESH node in arbitrary carriage through wireless transmission. The utility model discloses not only with low costs, the wiring is convenient, and it is fast to surf the net, can guarantee the incessant communication of user under the dislocation state moreover, can be used to the network communication on the train.

Description

Motor-car wireless Internet access system

Technical field

The utility model belongs to field of wireless data communication, particularly a kind of motor-car wireless Internet access system, can be used for meeting the user on train that runs at high speed and surfs the Net in real time and the demand of transmission of video in compartment.

Background technology

Motor-car, as the important component part of national basis communal facility, is a kind of important vehicles.Due to running at high speed and internal environment complicated in train of train, need a kind of effective network coverage mode to solve train network signal difference, jitter, be difficult to the problem of real-time Access Network.

At present, on the train of running at high speed, passenger can only be surfed the Net by the mode of access carrier network, and not only network signal is poor, is difficult to real-time accessing external network, and somewhat expensive.The use bridge of current existence carries out wireless networking and wireless network covering system can realize serial networking, such as Chinese application number be 201420041717 patent application document disclose a kind of based on wireless bridge realize train radio group network system, this system comprises: train often saves front end, compartment, the shield door of rear end arranges a wireless bridge outward, be designated as front end wireless bridge and rear end wireless bridge, often save compartment and be equipped with the wireless router with wireless bridge wired connection; With in joint compartment, rear end wireless bridge and front end wireless bridge pass through wired connection; The front end wireless bridge wireless telecommunications that the adjacent two rear end wireless bridges and rear saving last joint compartment in compartments save compartment are connected.It has following shortcoming: the first, and the compartment bandwidth by the tailstock is more and more lower, and network speed is more and more slower; The second, use bridge to realize compartment wireless connections, middle compartment equipment arbitrarily breaks down, and following car cannot be surfed the Net; 3rd, often save compartment and at least install two wireless bridges, wireless bridge is connected with router is wired, adds the cost of wireless bridge and wiring.

In addition, proposed to point out in updated plan by railroad: headstock places central server, often save compartment and place bicycle server again; Between compartment, communication adopts wired and wireless two communication links, and the two backups each other; Wireless link is realized by wireless bridge, is connected between compartment by wireless bridge; Train enters the station at every turn only need carry out content update to central server, and central server is responsible for managing and content synchronization bicycle server simultaneously, and renewal also can pass through wireless link by wire link.In the system that the Ministry of Railways proposes, compartment is connected section by section by bridge and goes out island from headstock, except there is shortcoming that patent that Chinese application number is 201420041717 has, also there is following shortcoming: first, whole train only has central server with antenna for receiving ground network, train outer net receives and relies on central server completely, Received signal strength ability, efficiency is low; The second, content update can only be carried out by central server.

Utility model content

The purpose of this utility model is to propose a kind of motor-car wireless Internet access system, to solve network signal difference on train, jitter, is difficult to real-time accessing external network, and the problem of somewhat expensive.

For achieving the above object, the utility model comprises the Wireless Communication Equipment in ground network, client and each compartment, and the Wireless Communication Equipment in each compartment is connected with ground network and client double-direction radio respectively, it is characterized in that:

Wireless Communication Equipment is bi-directionally connected successively is formed by antenna, bicycle server, AP access point, and bicycle server and antenna form a multihop network MESH node, this node realizes communicating with the multihop network MESH node in arbitrary compartment by wireless transmission;

Antenna adopts the dual-band antenna be made up of 2.4G frequency range and 5.8G frequency range, and 2.4G frequency range is for connecting outer net, and 5.8G frequency range is used for the communication between multihop network MESH node.

Said system, is characterized in that: often the AP access point saved in compartment is set to four, and each AP access point can connect 30 clients.

Said system, is characterized in that: ground network comprises three large carrier networks, the WIFI network in special broadband network, satellite communication network and station, garage.

Said system, is characterized in that: the bicycle server in the Wireless Communication Equipment in each compartment is connected by wired communications links, and this wire link adopts carrier wave power line or optical fiber.

Compared with prior art, tool has the following advantages the utility model:

1. the utility model is due to the use of multihop network MESH, multi-hop, acentric mesh network can be formed, connected in series without the need to bridge between server, without the need to handshake procedure, do not need to access step by step, ensure that the network bandwidth in the compartment near the tailstock can not be suffered a loss because of away from headstock;

2. the utility model is owing to often saving the isolated node that compartment is multihop network MESH, the communication between a multihop network MESH node and other multiple multihop network MESH nodes can be realized, connect without the need to bridge and bridge wiring, eliminate cost and the installation wiring cost of bridge;

3. the utility model all configures dual-band antenna owing to often saving compartment, can separate connection outer net, does not interfere with each other, improves the efficiency of accessing external network;

4. the utility model is owing to realizing the network interconnection often saved between compartment by multihop network MESH, improve the stability of network, when certain joint compartment equipment middle is out of order, following car is found next optimal path by the algorithm protocol set and is intercomed mutually, avoids the problem could not get on to the Net because middle compartment equipment is arbitrarily out of order in rear class compartment.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model wireless network covering system;

Fig. 2 is the layout plan of the utility model wireless network covering system in train.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

With reference to Fig. 1, the utility model comprises the Wireless Communication Equipment 3 that ground network 1, client 2 and each compartment are arranged, wherein:

Ground network 1, comprises three large carrier networks, and special broadband network and station, garage WIFI network, for providing outer net for train;

Wireless Communication Equipment 3, comprises antenna 31, bicycle server 32, AP access point 33; Bicycle server 32 is respectively with antenna 31 with AP access point 33 is wired is bi-directionally connected, and antenna 31 is connected on the M2 standard interface of bicycle server by the feeder line of M2 standard header, and AP access point 33 is connected on the Ethernet interface of bicycle server 32.The bicycle server 32 often saving compartment is bi-directionally connected by wired communications links, and this wire link adopts carrier wave power line or optical fiber.

Described antenna 31, adopt but be not limited to the dual-band antenna of 5.8G frequency range and 2.4G frequency range, wherein 5.8G frequency range is used for the interconnection carrying out wireless multi-hop network MESH between compartment, often save the bicycle server 3 in compartment detects other bicycle servers 3 WIFI network by the 5.8G frequency range in the dual-band antenna 2 of connection separately, and access the strongest WIFI network of signal, become the node of multihop network MESH, realize the network coverage, compartment and compartment, between compartment and server in station the renewal of resource mutual; 2.4G frequency range, for connecting ground network, to receive three large carrier networks, is surfed the Net in real time.All dual-band antenna is installed owing to often saving on compartment, can separate connection outer net so often save compartment, do not interfere with each other, the efficiency of accessing external network can be improved.

Described bicycle server 32, adopt but be not limited to realize to movement, UNICOM, telecommunications three large operator network interface card the bicycle wireless network server that converges, to increase bandwidth, improve the speed of accessing Internet, and also can storage network data in bicycle server, when client 2 asks identical data, can direct called data from bicycle server, save bandwidth, improve the speed of transfer of data.

Antenna 31 is fixed on the top often saving compartment, and bicycle server 32 is arranged on and often saves in the consumer unit in compartment; That often saves compartment intermediate reach is provided with 4 AP access points 33, is fixed on the luggage carrier in compartment.

Operation principle of the present utility model is as follows:

With reference to shown in Fig. 2, the compartment be connected for three joints any in train, three joint compartments are labeled as first segment compartment 1, second section compartment 2, Section of three compartment 3 respectively; In compartment, server is labeled as bicycle server 1a respectively, bicycle server 2a, bicycle server 3a.In compartment, passenger is by client, as mobile phone, when panel computer etc. send network access request, asks the AP access point passed to WIFI form in compartment, the AP access point in compartment by the request signal that receives by wire transmission to bicycle server; Can shared network data between each bicycle server, the data that client asks if all do not comprise in Servers-all, then need to access outer net; After bicycle server obtains the data of asking by the 2.4G frequency range access outer net of dual-band antenna, data are transferred in the bicycle server in the compartment, client place sent request; Desired data is sent to by the AP access point of wired connection the client sent request by this bicycle server with WIFI form.

After train enters the station stop, each bicycle server carries out exchanges data by the wireless network in the 5.8G frequency range of dual-band antenna and station, obtains real-time network data, as news, weather etc., data in bicycle server carry out real-time synchronization renewal, facilitate passenger to check.

More than describing is only an instantiation of the present utility model; obviously for the professional and technical personnel in field; after having understood content of the present utility model and principle; all may when not deviating from the utility model principle, structure; carry out various correction and the change of form and details, but these corrections based on the utility model thought and change are still within claims of the present utility model.

Claims

1. a motor-car wireless Internet access system, comprise the Wireless Communication Equipment (3) in ground network (1), client (2) and each compartment, the Wireless Communication Equipment (3) in each compartment is connected with ground network (1) and client (5) double-direction radio respectively, it is characterized in that:

Wireless Communication Equipment (3) is bi-directionally connected successively is formed by antenna (31), bicycle server (32), AP access point (33), and bicycle server (32) and antenna (31) form a multihop network MESH node, this node realizes communicating with the multihop network MESH node in arbitrary compartment by wireless transmission;

Antenna (31) is the dual-band antenna be made up of 2.4G frequency range and 5.8G frequency range, and 2.4G frequency range is for connecting outer net, and 5.8G frequency range is used for the communication between multihop network MESH node.

2. motor-car wireless Internet access system according to claim 1, is characterized in that: often the AP access point (33) saved in compartment is set to four, and each AP access point can connect 30 clients (33).

3. motor-car wireless Internet access system according to claim 1, is characterized in that: ground network (1) comprises three large carrier networks, the WIFI network in special broadband network, satellite communication network and station, garage.

4. motor-car wireless Internet access system according to claim 1, it is characterized in that: the bicycle server (32) in the Wireless Communication Equipment (3) in each compartment is connected by wired communications links, this wire link adopts carrier wave power line or optical fiber.