CN208402024U - Utilize idle upstream broadband link and the engineering video monitoring system of wireless bridge - Google Patents

Abstract

The utility model discloses a kind of engineering video monitoring systems using leave unused upstream broadband link and wireless bridge, camera including being set to engineering site, the feeder ear of camera is connect by transformer with the second level distribution box at project scene, the output end of camera exchanges mechatronics be set to project management department by the wireless network built by wireless bridge, interchanger is electrically connected with monitoring hard disk, and connect by router with internet, the video platform server for being set to control center acquires the vision signal of monitoring hard-disc storage by internet.The demand that the utility model reinforces engineering supervision for control center proposes engineering video monitoring system, brings many conveniences in the construction process to manager, construction party.Supervisor of construction positioned at control center can allow report more simple and clear when giving a report by video interception, increase working efficiency, not have to drive to run tens kilometers to scene, which greatly enhances working efficiencies, save cost.

Description

Utilize idle upstream broadband link and the engineering video monitoring system of wireless bridge

Technical field

The utility model relates to engineering video monitor technical field, in particular to it is a kind of using idle upstream broadband link and The engineering video monitoring system of wireless bridge.

Background technique

As the continuous development and people of video technique are to video more and more clearly demand, present video camera Via pervious simulation camera QCIF (176 × 144), CIF (352 × 288), D1 (704 × 480) are developed to resolution ratio The pixel of SD 720P 1280 × 720 100 ten thousand of present network digital camera, the picture of high definition 1080P 1920 × 1,080 200 ten thousand Element.And 1 road 1080P video of every transmission, H.265 according to the highest video compression standard of present compression ratio, transmission bandwidth is 2Mbit/s.And special line MSTP or the PTN special line of the enterprise's interconnection generallyd use at present, it is also high obtain that the bandwidth of 10M, which rents expense, Surprising, annual rent is at least tens of thousands of.

Unit in charge of construction's management level are needed to be monitored engineering site, be supervised, and project administration is often taken into account less than several Work area situation outside kilometer, and the engineering having is at the back side on mountain, project management department many times can only Wang Shan heave a sigh or hope hollow sigh. The contact of site operation vehicle frequently, bank up and backfill, and road condition change is extremely complex by sandy soil, so scene laying optical cable difficulty is big, It is at high cost, and be easy to be destroyed because of civil construction.For wanting to see long-range video enterprise management level, because cost is high In front at a mountain gear, see that long-range video becomes a kind of extravagant hope and lays aside and neglects.

Summary of the invention

In view of the deficiencies of the prior art, the utility model proposes utilize idle upstream broadband link and wireless bridge Engineering video monitoring system enables upper management part low cost to watch the video monitoring of engineering site.

In order to achieve the above objectives, the engineering of leave unused upstream broadband link and wireless bridge is utilized designed by the utility model Video monitoring system is characterized in that the camera including being set to engineering site, the feeder ear of the camera passes through Transformer is connect with the second level distribution box at project scene, and the output end of the camera passes through the wireless network built by wireless bridge Network and the mechatronics that exchange for being set to project management department, the interchanger are electrically connected with monitoring hard disk, and pass through router and interconnection Net connection, the video platform server for being set to control center acquire the vision signal of monitoring hard-disc storage by internet.

Further, the wireless bridge includes several wireless bridge transmitting terminals and wireless bridge receiving end, the nothing It is relayed between gauze bridge transmitting terminal and wireless bridge receiving end by industrial switch.

Further, the wireless bridge uses OFDM modulation classification, uses 5.8G band transmissions.

Further, firewall is provided between the video platform server and internet.

It further, further include the first video monitoring, the mobile terminal acquires monitoring hard-disc storage by interchanger Vision signal.

It further, further include the second video monitoring, the mobile terminal acquires monitoring hard-disc storage by internet Vision signal.

Compared with prior art, the demand that the utility model reinforces engineering supervision for control center proposes a kind of benefit With idle upstream broadband link and the engineering video monitoring system of wireless bridge, to manager, construction party band in the construction process Much to facilitate.Firstly, construction party divides administrative staff and common laborer, construction party administrative staff are also required to construct to field engineering It is supervised, to reinforce production management, and engineering video plays the role of Added Management, do not have to many times be in the action, And actual conditions are understood by video, so that it may make correct decision, improve work efficiency.Secondly, engineering video is in safety Also positive effect has been played in management, exactly because the monitoring of video camera, produce in engineering instrument and mechanical equipment by Protection, not to thief with opportunity.Furthermore engineering video carries out video to some production procedure such as discharging, so that it may To realize no supervision, pass through the standardized and orderly of video recording supervision production procedure；To important production process, construction party can also be recorded Picture carries out archive preservation as data；Promote corporate image etc..

Detailed description of the invention

Fig. 1 is the system architecture diagram of the utility model.

Fig. 2 is the WLAN transmission structure schematic diagram figure of the present embodiment.

Fig. 3 is the system architecture diagram of WLAN in Fig. 2.

In figure: camera 1, wireless bridge 2, interchanger 3 monitor hard disk 4, router 5, video platform server 6, industry Interchanger 7, the first monitor terminal 8, the second monitor terminal 9, engineering site A, project management department B manage center C.

Specific embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

As shown in Figure 1, the utility model proposes utilization leave unused the engineering video prison of upstream broadband link and wireless bridge Viewing system, including being set to the camera 1 of engineering site A, the interchanger 3 for being set to project management department B, being set to control center C's Video platform server 6, wireless bridge 2, monitoring hard disk 4, router 5, industrial switch 7, the first monitor terminal 8, second prison Control terminal 9.

The feeder ear of camera 1 is connect by transformer with the second level distribution box at project scene, and the output end of camera 1 is logical The wireless network built by wireless bridge 2 is crossed to be electrically connected with interchanger 3.Wireless bridge 2 includes several wireless bridge transmitting terminals With wireless bridge receiving end, relayed between wireless bridge transmitting terminal and wireless bridge receiving end by industrial switch 7.Wireless network Bridge 2 uses OFDM modulation classification, uses 5.8G band transmissions.Interchanger 3 be electrically connected with monitoring hard disk 4, and by router 5 and Internet connection.The vision signal that first monitor terminal 8 is stored by the acquisition monitoring hard disk 4 of interchanger 3.Second monitor terminal 9 The vision signal that monitoring hard disk 4 stores is acquired by internet.Video platform server 6 acquires monitoring hard disk 4 by internet The vision signal of storage.Firewall is provided between video platform server 6 and internet.

Embodiment

The safety of video simultaneously needs to guarantee highly reliable, high security not as good as gate control, bank's internal data transfer etc., These business require away physically-isolated private network, and Video security compares safety with above-mentioned business and wants much lower, externally People's use is little, so to walk internet feasible for video.

Home broadband 100M fiber entering household at present, it is very universal in big city, and this home broadband 100Mbit/s refers to downlink, and mainly we are for browsing webpage, online game.Actually this home broadband is also Uplink, 100M home broadband uplink bandwidth are usually 4M, and (each department are a bit different, but major part meets Row bandwidth 4M), the uplink is empty always not to be used, and is only used once in a while to others' transmitting file, also someone exists certainly There are also installed video cameras for oneself, play the role of household safety-protection or show loving care for old man, but generally speaking, this 4M uplink Roadbed does not originally use, although it is just at that, we ignore its presence.

Camera video can be transmitted with all-key stream and subcode stream two ways, and 2,000,000 pixel 1080P all-key stream of high definition is to pass Defeated bandwidth is 2Mbit/s, if transmitted using subcode stream, transmission bandwidth 512Kbit/s, this means that a 100M family Broadband can freely transmit most 8 SD video images.And 1 year rent of home broadband 100M is just less than 1000 yuan, this and Rent leased-line link compare, cost only have its 1/10th or even 1/tens.

Either water conservancy or other industry engineering, have many durations longer such as -3 years 1 year, hundreds of people's (including pipe Reason personnel and worker) post is quartered at, today of cybertimes is come into, the administrative department as engineering will inevitably consider this The indulging in the internet of more people, whether work middle transmission file, searches technical literature and data, still After Hours browse webpage, QQ chat etc., this all be unable to do without online.So the management level of most of engineerings can all solve the problems, such as that post is surfed the Internet, some dresses Enterprise broadband (uplink downlink bandwidth is the same), some fills common home broadband.

Project characteristic

270 kilometers of Hubei Province north water diversion project overall length, many engineerings are very long, and project management department B often takes into account less than the work outside several kilometers Area's situation, and the engineering having, at the back side on mountain, the contact of site operation vehicle frequently, bank up and backfill, and road condition change is non-by sandy soil It is often complicated, so scene laying optical cable difficulty is big, it is at high cost, and be easy to be destroyed because of civil construction.

Camera 1 is powered:

Construction area is because civil construction is needed using electrical equipment, so most of have 220V alternating current, some constructions Mains-supplied route is extended through second level distribution box, provides the power supply of camera 1 by unit.

Wireless bridge 2:

Transmission frequency: 5.8G band interference is less, transmission range farther out, using OFDM modulation technique.802.11a is supported most The up to data rate of 54Mbps, 802.11n support the data rate for being up to 300Mbps.

Transmission conditions: wireless bridge 2 is transmitted using 5.8G frequency range general in the industry, has long transmission distance The advantages that (transmission range of the wireless bridge 2 used in this programme is 5 kilometers), bandwidth is high, but 5.8GHz belongs to sighting distance biography It is defeated, it is desirable that both ends are mutually visual, and centre cannot have barrier to block, and if there is blocking, wireless bridge 2 passes through industrial switch 7 It is relayed, as shown in Figure 2.

By using wireless bridge 2, the transmission of video of the acquisition of engineering site A can be converged to project management department B's by us In interchanger 3.

Fig. 3 is 2 layout drawing of engineering video wireless bridge of actual 4.5 kilometers of covered culvert, the camera shooting of the position 5# Video by relaying twice, is transferred back to project management department B by first 1.

Monitor hard disk 4

Haikang DS-7708N-K4 realization can be used in monitoring hard disk 4.NVR memory space: NVR and monitoring hard disk are laid in item Mesh portion, design storage video recording 30 days.

Assuming that 4 road videos, 2,000,000 pixels, H.265 compression standard, every road code stream 2Mbps consider 90% redundancy.Then deposit Store up space are as follows:

4ch × 2Mbps × 3600s × 24 × 30/8/1000/1000/0.9==2.88TB.

The NVR monitoring hard disk of 2.88TB can both recycle the video record of storage 4 road video of the last 30 days, while can open Fixed disk region (will not be covered by circulation) is warded off, with these some construction Difficulties of memory space persistence and emphasis of constructing Video data.

PC computer, mobile phone, mobile device

First monitor terminal 8, the second monitor terminal 9 pass through PC computer, the realization of other mobile devices of mobile phone, PC computer, hand Other mobile devices of machine, which access video platform by client software, can store video record and photo, and storage location is certainly Oneself computer and mobile phone.Client software is provided by video monitoring platform equipment supplier, including Haikang, big China, space view, the world The manufacturers such as great achievement.

Video platform server 6

In project management department B, monitoring hard disk 4NVR and the project management department of project management department B are transmitted to by the video that wireless bridge 2 converges The monitoring hard disk 4NVR of B is in the host in the same local area network, so that it may by local area network, watch the live work stored in NVR Journey video.

And the video flowing passes through router 5 again, so that it may video information be uploaded to internet, spread by internet video It is sent to the video platform server 6 for being located at control center C, and accesses the computer and mobile phone of this video platform server 6, is being possessed It just may have access to the engineering video of front end in the case where permission.This platform is accessed if it is Intranet, is exactly local area network access, if It is by this platform of internet access, is exactly internet access.

Implementation result

270 kilometers of Hubei Province north engineering engineering overall length, totally 31 bid sections, 98 arrangement areas, Hubei Province north office divides into three, and to build pipe portion wide Realize portion, jujube assists portion with portion and pellet, is located in Guangshui, Zaoyang and Xiangyang respectively.The leader of Hubei Province north office stays indoors, and can see scene The progress of engineering supervises unit in charge of construction to carry out standardized and orderly production, ensures that engineering guarantees both quality and quantity to be timely completed.

Positioned at control center C supervisor of construction when giving a report, can from video screenshot, allow report it is more intuitive It is illustrated, when linking up with construction party, has video to assist, working efficiency will increase much, not have to more crucially drive to run several Ten kilometers are arrived scene, and which greatly enhances working efficiencies, save cost.

Engineering video scheme still, is regarded in engineering for E Beiju in order to which the demand for reinforcing engineering supervision is worked it out Frequency also brings many conveniences in actual use, to construction party oneself.Construction party divides administrative staff and common laborer, construction Square administrative staff are also required to construct to field engineering and supervise, and to reinforce production management, and engineering video plays auxiliary tube The effect of reason does not have to many times be in the action, and understands actual conditions by video, so that it may make correct decision, improve Working efficiency.

Engineering video has also played positive effect in safety management, exactly because the monitoring of video camera, in engineering Production instrument and mechanical equipment are protected, not to thief with opportunity.

Engineering video carries out video to some production procedure such as discharging, so that it may realize no supervision, pass through video recording Supervise the standardized and orderly of production procedure；To important production process, construction party can also record a video, and carry out archive preservation as data； Some bid sections even pass through this engineering video, have played advertisement, have publicized enterprise of oneself etc..Engineering video is a new after all Fresh things has a variety of usages of meeting certainly, only enumerates one or two here.

Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.

Claims (6)

1. utilizing idle upstream broadband link and the engineering video monitoring system of wireless bridge, it is characterised in that: including being set to The camera (1) of engineering site (A), the feeder ear of the camera (1) pass through the second level distribution box of transformer and project scene Connection, the output end of the camera (1) is by the wireless network built by wireless bridge (2) and is set to project management department (B) Interchanger (3) electrical connection, the interchanger (3) are electrically connected with monitoring hard disk (4), and are connect by router (5) with internet, The video platform server (6) for being set to control center (C) acquires the vision signal of monitoring hard disk (4) storage by internet.

2. the engineering video monitoring system according to claim 1 using leave unused upstream broadband link and wireless bridge, Be characterized in that: the wireless bridge (2) includes several wireless bridge transmitting terminals and wireless bridge receiving end, the wireless bridge It is relayed between transmitting terminal and wireless bridge receiving end by industrial switch (7).

3. the engineering video monitoring system according to claim 1 using leave unused upstream broadband link and wireless bridge, Be characterized in that: the wireless bridge (2) uses OFDM modulation classification, uses 5.8G band transmissions.

4. the engineering video monitoring system according to claim 1 using leave unused upstream broadband link and wireless bridge, It is characterized in that: being provided with firewall between the video platform server (6) and internet.

5. the engineering video monitoring system according to claim 1 using leave unused upstream broadband link and wireless bridge, It is characterized in that: further including the first monitor terminal (8), first monitor terminal (8) passes through interchanger (3) acquisition monitoring hard disk (4) vision signal stored.

6. the engineering video monitoring system according to claim 1 using leave unused upstream broadband link and wireless bridge, It is characterized in that: further including the second monitor terminal (9), second monitor terminal (9) acquires monitoring hard disk (4) by internet and deposits The vision signal of storage.