CN205545955U - System for radio communication carries out in tunnel - Google Patents
System for radio communication carries out in tunnel Download PDFInfo
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- CN205545955U CN205545955U CN201620042162.6U CN201620042162U CN205545955U CN 205545955 U CN205545955 U CN 205545955U CN 201620042162 U CN201620042162 U CN 201620042162U CN 205545955 U CN205545955 U CN 205545955U
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Abstract
The utility model discloses a system for radio communication carries out in tunnel, the system includes: tunnel robot, a plurality of AP, switch, management server, wherein, robot interior collocation in tunnel has first network card and second network card for utilize first network card and second network card in turn to establish wireless network connection with each AP, through the wireless network connection that establishs to management server transmitting data, a plurality of AP dispose inside the tunnel, and each AP is connected with directional aerial through the feeder respectively to be connected with the switch respectively through the fiber optic backbone, a plurality of AP are used for establishhing the internet access through the switch via fiber optic backbone and the management server that disposes in the tunnel outside, forward the data that the tunnel robot sent for the management server. The utility model discloses a network data transmission in the low -cost tunnel to the promptness and the smoothness nature that can keep data transmission.
Description
Technical field
This utility model belongs to computer and radio network technique field, particularly relates to one and carries out in tunnel
The system of radio communication.
Background technology
Along with the development of urbanization, electricity need load rapid growth, land resource scarcity, resident couple
Urban look, living environment propose higher requirement.Traditional urban aerial line power transmission mode has not met city
City's development trend, uses electric power tunnel as the passage laying city high tension cable, it has also become urban development
Trend.
Running environment within electric power tunnel is complex, and dark moist, sluggish in air circulation, is unfavorable for
Attendant launches to patrol and examine work, for ambient parameter and cable situation in effectively monitoring tunnel, gets rid of safety hidden
Suffering from, the use of tunnel crusing robot becomes the necessary means safeguarding electric power tunnel safe operation.In order to ensure
Tunnel robot can carry out proper communication with control centre's machine room, to control centre's machine room in whole piece tunnel
Transmitting video image, voice, control instruction and environmental monitoring data, main employing following two in prior art
Kind of communication means: 1, use and reveal cable tunnel is carried out signal covering, wireless signal by cable slotted eye to
Extraneous radiation；2, microcellulor network interworking mode is used to cover.
But, above-mentioned first method is when long, and signal attenuation is bigger, and owing to revealing
Cable value is expensive, and therefore communications cost is the highest.Flow rate calculation is pressed in above-mentioned second method communication, makes
The highest by expense.Therefore prior art also exists the defects such as cost is high, communication is unstable.
Utility model content
This utility model provides a kind of system carrying out radio communication in tunnel, it is intended to solve in prior art
The technical problems such as the cost existed is high, communication is unstable, it is achieved that network data in the tunnel of low cost
Transmission, and promptness and the fluency that data transmit can be kept.
This utility model provides a kind of system carrying out radio communication in tunnel, and described system includes: tunnel
Robot, multiple wireless access points AP, switch and management server；Wherein, described tunnel machine
Being configured with the first network interface card and the second network interface card inside device people, described tunnel robot is for controlling first in tunnel
Network interface card and an AP set up the first wireless network and connect, and are connected to management clothes by described first wireless network
Business device transmission data, and control the second network interface card scanning AP, advance according to preset route, according to described tunnel
The direction that robot advances, determines the 2nd AP and network switching point, when described tunnel robot being detected
When arriving described network switching point, control described second network interface card and set up second wireless network with described 2nd AP
Connect, and disconnect described first wireless network connection, connected to described management by described second wireless network
Data described in server transport, and control the described first network interface card described AP of scanning；The plurality of AP, configuration
In described tunnel internal, each described AP is connected with beam antenna by feeder line respectively, and passes through fiber optic backbone
Being connected with described switch respectively, the plurality of AP is used for by described switch via described fiber optic backbone
Set up network with the described management server being configured at described tunnel outer to be connected, by described tunnel machine Crinis Carbonisatus
The described data sent are transmitted to described management server.
Knowable to above-mentioned this utility model embodiment, by arranging multiple wireless access points in tunnel,
Tunnel robot, during performing patrol task along preset route, utilizes the first network interface card and the second network interface card to hand over
It is connected for setting up network respectively with multiple wireless access points on the way, and switches the connection of newly-established network
To management server transmission data, compared to prior art, this utility model is on the one hand owing to utilizing wireless visit
Asking that access point carries out wireless connections, the advantage therefore with low cost, on the other hand, by utilizing double netcard
One after the other accesses wireless network, can keep promptness and fluency that data transmit.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, in embodiment being described below
The required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this reality
By some novel embodiments, for those skilled in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the system carrying out radio communication in tunnel that this utility model embodiment provides
Figure；
Fig. 2 is the systematic difference environment carrying out radio communication in tunnel that this utility model embodiment provides
Figure；
Fig. 3 is network switching in the system carrying out radio communication in tunnel that this utility model embodiment provides
That puts instruction device arranges schematic diagram.
Detailed description of the invention
For making utility model purpose of the present utility model, feature, the advantage can be the most obvious and understandable,
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is entered
Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of this utility model,
And not all embodiments.Based on the embodiment in this utility model, those skilled in the art are not making wound
The every other embodiment obtained under the property made work premise, broadly falls into the scope of this utility model protection.
Refer to Fig. 1, the knot of the system carrying out radio communication in tunnel that this utility model embodiment provides
Structure schematic diagram.As it is shown in figure 1, this system includes: tunnel robot 101, multiple wireless access points
AP102, switch 103 and management server 104.
Wherein, tunnel robot 101 is internal is configured with the first network interface card and the second network interface card, in tunnel internal control
Make the first network interface card and an AP sets up the first wireless network and connects, connected to management by the first wireless network
Server 104 transmits data, and controls the second network interface card scanning AP102, advances according to preset route, root
The direction advanced according to tunnel robot 101, determines the 2nd AP and network switching point, when tunnel being detected
When robot 101 arrives network switching point, control the second network interface card and the 2nd AP sets up second wireless network even
Connect, and disconnect the first wireless network connection, connected by second wireless network and transmit to management server 104
Data, and control the first network interface card scanning AP102.
Multiple AP102, are configured at the signal overlapping area between tunnel internal, and adjacent two AP102
The signal quality in territory meets preset communication standard, and multiple AP102 are connected with beam antenna by feeder line, and lead to
Cross fiber optic backbone to be connected with switch 103 respectively, be used for by switch 103 via fiber optic backbone and configuration
Management server 104 in tunnel outer is set up network and is connected, and the data that tunnel robot 101 sends is turned
Issue management server 104.
In conjunction with Fig. 2, specifically, arrange in tunnel multiple AP102, each AP102 by fiber optic backbone with
Switch 103 connects, and the data that tunnel robot 101 sends is transmitted to outside tunnel by switch 103
The management server 104 in portion, management server 104 is again via power private network, by the data of reception based on far
Dynamic communication protocol reports electric power management system 105, in order to each management platform pair of electric power management system 105
Above-mentioned data process.
Each AP102 is connected with beam antenna by feeder line, by beam antenna transmitting/receiving wireless radiofrequency signal, from
And make wireless signal cover whole piece tunnel.AP is in tunnel during layout, in order to ensure QoS requirement,
Adjacent AP signal covering overlapping area signal quality need to be made to meet pre-set criteria.
Preferably, whole piece tunnel is divided into multiple tunnel construction sections according to preset distance, and at each tunnel construction sections
One tunnel robot 101 of middle configuration, tunnel robot 101 is past for circulating in the most affiliated tunnel construction sections
Return execution patrol task, shoot the tunnel picture in affiliated tunnel construction sections and by wireless with what each AP102 set up
Network, is sent to manage server 104.
Owing to the information such as tunnel robot 101 transmits audio/video flow, control instruction are to real-time, communication bandwidth
Require higher, use Single NIC switching wireless network the longest, be easily caused tunnel robot 101 and control
Center processed disconnects, and it is longer to reconnect process, it is impossible to meet actual demand.In order to solve above-mentioned real-time
Problem, keep promptness and the fluency of data transmission, Mei Ming tunnel robot 101 is internal to be equipped with
First network interface card and the second network interface card.And, it is preferable that software platform uses Centos 7.0 operating system, nothing
Line network configuration tool uses wpa_supplicant Open-Source Tools.
Tunnel robot 101 when starting to perform patrol task, the first Internet protocol IP to the first network interface card
The MAC Address of address, the MAC address of the first network interface card and the second network interface card configures,
The MAC Address of the MAC Address of the first network interface card and the second network interface card can be set to one by tunnel robot 101
Cause, it is also possible to be set to inconsistent.Rising of preset course is arrived when tunnel robot 101 enters tunnel
After Dian, such as: tunnel face, or specify patrol and examine first network switching point in tunnel construction sections, control the first net
Card is set up the first wireless network with the AP being arranged near preset route start and is connected, and at network even
Connect to be connected by the first wireless network after being successfully established and transmit data to management server 104, such as transmission shooting
Tunnel in the audio, video data of situation.Meanwhile, control the second network interface card and persistently scan AP102.
Tunnel robot 101 is configured with network switching point list, this list has been recorded be arranged in preset
The position of each network switching point in course, and each self-corresponding AP of each network switching point.With network
The AP that switching point is corresponding is apart from the nearest AP of this network switching point.Tunnel robot 101 is according to preset
Course advance while, according to advance direction and network switching point list in each network switching
The position of point, determines on the direction of traveling, the network switching point nearest apart from self and this network switching point pair
The AP answered, i.e. needs the 2nd AP accessed by the second network interface card.
Tunnel robot 101 is nearest according to distance self in the speed advanced and the direct of travel determined
The position of network switching point, the distance change between detection in real time self and this network switching point, when detecting
Distance between self and this network switching point is 0 or during close to 0, controls the second network interface card and the 2nd AP builds
Vertical second wireless network connects, and disconnects the first wireless network connection, configures the IP address of the second network interface card simultaneously,
Then connected by second wireless network and transmit data to management server 104, and control the first network interface card scanning
AP.Then tunnel robot 101 continues on, according to the direction advanced determine next network switching point and
Corresponding AP, and when detecting that self arrives next network switching point, control the first network interface card and this network
The AP that switching point is corresponding sets up network and connects, and disconnects second wireless network and connects, and is connected by the network set up
Connect and transmit data to management server 104, control the second network interface card scanning AP simultaneously, so move in circles, directly
To arriving the terminal of preset route, then return along road, and on the way continue to repeat aforesaid operations.
Further, if the second network interface card does not scans second when tunnel robot 101 arrives network switching point
AP, then tunnel robot 101 controls the second network interface card the AP the strongest with signal on the direct of travel scanned builds
Vertical second wireless network connects, and meanwhile, sends warning message to management server 104, with notice management clothes
Business device 104 the 2nd AP breaks down, it is impossible to provide network to connect.If it is to be appreciated that the second network interface card is also
Do not scan other AP in addition to the 2nd AP, then tunnel robot 101 keeps the first wireless network even
Connect and continue on, network connection and signal can be provided on direct of travel the strongest until the second network interface card scans
AP, and set up second wireless network with this AP and be connected.
Further, in order to avoid having different MAC Address and IP address because of the first network interface card and the second network interface card,
And cause disconnection that the management server 104 of tunnel robot 101 and control centre communicates and reconnect, with
And the change of the IP address because of tunnel robot 101, the increasing distinguishing difficulty of the management server 104 caused
Adding, in the present embodiment, the first network interface card and the second network interface card have identical MAC Address and IP address.Tool
Body ground, before tunnel robot can set up the first wireless network connection controlling the first network interface card and an AP,
The when of configuring the MAC Address of the first network interface card and the second network interface card, by the MAC Address and second of the first network interface card
The MAC Address of network interface card is configured to unanimously, and wherein, tunnel robot can be according to user-defined MAC
Address configuration the first network interface card and the MAC Address of the second network interface card, it is also possible to according to the real MAC of the first network interface card
The MAC Address of address configuration the second network interface card, or configure first according to the real MAC address of the second network interface card
The MAC Address of network interface card.It is successfully established second wireless network at control the second network interface card and the 2nd AP to connect, and
After disconnecting first network connection, tunnel robot 101, according to the IP address of the first network interface card, arranges the second network interface card
IP address, concurrently disinfect the IP address of the first network interface card, connected to pipe by second wireless network the most again
Reason server transmission data.So, for protocol stack more than link layer, no matter which block network interface card is carried out
Data communication, is regarded as same network interface card, and connection will not disconnect and reconnecting.
It should be noted that in actual applications, the MAC Address of above-mentioned first network interface card and IP address and
The MAC Address of the second network interface card and the following 4 kinds of set-up modes of IP address existence:
1, the MAC Address of the first network interface card and the MAC Address of the second network interface card are set to unanimously, by first
The IP address of network interface card and the IP address of the second network interface card are set to inconsistent；
2, the MAC Address of the first network interface card and the MAC Address of the second network interface card are set to inconsistent, by
The IP address of one network interface card is set to consistent with the IP address of the second network interface card；
3, the MAC Address of the first network interface card and the MAC Address of the second network interface card are set to unanimously, by first
The IP address of network interface card is set to consistent with the IP address of the second network interface card；
4, the MAC Address of the first network interface card and the MAC Address of the second network interface card are set to inconsistent, by
The IP address of one network interface card and the IP address of the second network interface card are set to inconsistent.
It is preferably above-mentioned 3rd kind of set-up mode.
Further, this system also includes: determine that network switching point is many for liaison tunnel robot 101
Individual network switching point instruction device, each network switching point instruction device be respectively arranged at tunnel in adjacent two AP
Between signal overlap region, the position of the central point preset distance between adjacent two AP, and respectively
Distance between adjacent two network switching point labels is at least 4 meters.Such as shown in Fig. 3, if adjacent two
Two network switching point instruction devices are set between individual AP1 and AP2, then the two network switching point are indicated
Device is separately positioned at the left and right sides S1 and S2 of the central point between adjacent two AP1 and AP1.
Specifically, network switching point device can be, but not limited to include: switching point display lamp or switching point broadcast
Device.Wherein, cut with the network of record in network switching point list in switching point display lamp may be provided at tunnel
Change the position that position a little is corresponding, such as: in tunnel on the body of wall of correspondence position, on ground, tunnel machine
People 101 can analyze certainly according to the change in location of the switching point display lamp in the picture in the tunnel of captured in real-time
Distance between the switching point display lamp that on body and direct of travel, distance self is nearest, thus judge whether to arrive
Network switching point, and according to traveling daily record and network switching point list, which network determine arrival is
Switching point and the AP of correspondence.Or, utilize the low coverage such as bluetooth, Wireless Fidelity by switching point broadcaster
From communication technology in presetting range (such as 0.5 meter) send comprise belonging network switching point information wireless extensively
Broadcasting, tunnel robot 101 can be when listening to this radio broadcasting that switching point broadcaster sends, according to extensively
Broadcast the strong and weak change of signal, it is determined whether arrive network switching point, according to broadcast singal carries network switching
Dot information and preset network switching point list, determine the AP that the network switching point of current arrival is corresponding.Logical
The auxiliary crossing network switching point device can help tunnel robot to determine the network switching that will arrive quickly
Point and the AP of correspondence.
The system carrying out radio communication in tunnel that this utility model embodiment provides, by cloth in tunnel
Putting multiple wireless access points, tunnel robot is during performing patrol task along preset route, sharp
Alternately set up network respectively with multiple wireless access points on the way with the first network interface card and the second network interface card to be connected,
And switch newly-established network and connect to management server transmission data, compared to prior art, this practicality is newly
Type on the one hand owing to utilizing wireless access points to carry out wireless connections, the advantage therefore with low cost, separately
On the one hand, by utilizing double netcard one after the other to access wireless network, the promptness that data are transmitted can be kept
And fluency.
More than for the description to the system carrying out radio communication in tunnel provided by the utility model, for
Those skilled in the art, according to the thought of this utility model embodiment, at detailed description of the invention and application model
Placing and all will change, to sum up, this specification content should not be construed as restriction of the present utility model.
Claims (5)
1. the system carrying out radio communication in tunnel, it is characterised in that described system includes: tunnel
Robot, multiple wireless access points AP, switch and management server；
Wherein, described tunnel robot interior is configured with the first network interface card and the second network interface card, described tunnel robot
Set up the first wireless network connect, by described first for controlling the first network interface card and an AP in tunnel
Wireless network connects to management server transmission data, and controls the second network interface card scanning AP, according to preset road
Line is advanced, and the direction entered according to described tunnel machine People's Bank of China determines the 2nd AP and network switching point, when
Detect when described tunnel robot arrives described network switching point, control described second network interface card and described second
AP sets up second wireless network and connects, and disconnects described first wireless network and connect, by described second wireless
Network connects to data described in described management server transport, and controls the described first network interface card described AP of scanning；
The plurality of AP, is configured at described tunnel internal, and each described AP is respectively by feeder line and beam antenna
Connecting, and be connected with described switch respectively by fiber optic backbone, the plurality of AP is for by described friendship
Change planes and set up network even via described fiber optic backbone and the described management server being configured at described tunnel outer
Connect, the described data that described tunnel machine Crinis Carbonisatus send are transmitted to described management server.
System the most according to claim 1, it is characterised in that described system also includes: be used for assisting
Described tunnel robot determines multiple network switching points instruction device of described network switching point, each described network
Switching point instruction device, signal overlap district between adjacent two described AP in being respectively arranged at described tunnel
Territory, the position of the central point preset distance between adjacent two described AP.
System the most according to claim 2, it is characterised in that adjacent two described network switching points refer to
Distance between showing device is at least 4 meters.
4. according to the system described in Claims 2 or 3, it is characterised in that described network switching point instruction dress
Put and include: switching point display lamp or switching point broadcaster.
System the most according to claim 1, it is characterised in that the media interviews control of described first network interface card
MAC Address processed is consistent with the MAC Address of described second network interface card, the Internet protocol of described first network interface card
IP address is consistent with the IP address of described second network interface card.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620042162.6U CN205545955U (en) | 2016-01-15 | 2016-01-15 | System for radio communication carries out in tunnel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620042162.6U CN205545955U (en) | 2016-01-15 | 2016-01-15 | System for radio communication carries out in tunnel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106790671A (en) * | 2017-01-24 | 2017-05-31 | 深圳市北斗智星勘测科技有限公司 | A kind of building structure deformation monitoring method, equipment and system |
| CN108632834A (en) * | 2018-03-05 | 2018-10-09 | 郑州华力信息技术有限公司 | Electric power tunnel wireless composite communication device |
| CN109690341A (en) * | 2016-09-26 | 2019-04-26 | 株式会社Ｗｈｅｒｅ | Position calculating method, distance calculating method and beacon |
| CN110971310A (en) * | 2019-11-29 | 2020-04-07 | 中国水利水电科学研究院 | Signal transmission system and method applied to diversion tunnel and controller |
| WO2023279734A1 (en) * | 2021-07-09 | 2023-01-12 | 美智纵横科技有限责任公司 | Robot network switching method and apparatus, and storage medium |
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2016
- 2016-01-15 CN CN201620042162.6U patent/CN205545955U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109690341A (en) * | 2016-09-26 | 2019-04-26 | 株式会社Ｗｈｅｒｅ | Position calculating method, distance calculating method and beacon |
| CN106790671A (en) * | 2017-01-24 | 2017-05-31 | 深圳市北斗智星勘测科技有限公司 | A kind of building structure deformation monitoring method, equipment and system |
| CN106790671B (en) * | 2017-01-24 | 2019-12-10 | 深圳市北斗智星勘测科技有限公司 | Building structure deformation monitoring method, equipment and system |
| CN108632834A (en) * | 2018-03-05 | 2018-10-09 | 郑州华力信息技术有限公司 | Electric power tunnel wireless composite communication device |
| CN110971310A (en) * | 2019-11-29 | 2020-04-07 | 中国水利水电科学研究院 | Signal transmission system and method applied to diversion tunnel and controller |
| WO2023279734A1 (en) * | 2021-07-09 | 2023-01-12 | 美智纵横科技有限责任公司 | Robot network switching method and apparatus, and storage medium |
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