CN109775486A - A kind of elevator operation monitoring system of view-based access control model intelligence - Google Patents
A kind of elevator operation monitoring system of view-based access control model intelligence Download PDFInfo
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- CN109775486A CN109775486A CN201910188486.9A CN201910188486A CN109775486A CN 109775486 A CN109775486 A CN 109775486A CN 201910188486 A CN201910188486 A CN 201910188486A CN 109775486 A CN109775486 A CN 109775486A
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Abstract
The present invention provides a kind of elevator operation monitoring system of view-based access control model intelligence, including elevator terminal and control centre, by wireless network interactive correspondence, the elevator terminal includes: display screen, alarm, camera, terminal control unit and bridge equipment for the elevator terminal and control centre；The display screen includes loudspeaker, and the display screen and alarm are fixedly installed on lift car enabling side side wall, and the camera is fixedly installed on the side wall of lift car enabling opposite side；The bridge equipment is fixedly installed on elevator car roof；The terminal control unit is set to inside the display screen, and the display screen, loudspeaker, alarm, camera and bridge equipment are electrically connected the terminal control unit.The present invention carries out real-time monitoring to elevator operation by artificial intelligence computer vision detection technology, driving camera.
Description
Technical field
The present invention relates to elevator safety technical fields, and in particular to a kind of elevator operation monitoring system of view-based access control model intelligence
System.
Background technique
With deepening continuously for economic fast-developing and Development of China's Urbanization, the elevator industry in China is just experiencing a height
Fast period of expansion.With the continuous aggravation that elevator industry competes, M&A integration and capital operation are increased between larger ele-vators enterprise,
Domestic outstanding elevator manufacturing enterprise more and more payes attention to the research to industry market, especially needs to Business Development Environment and client
Ask the further investigation of Long-term change trend.
Computer vision is a kind of simulation using computer and relevant device to biological vision.Its main task is exactly
It is handled by picture to acquisition or video to obtain the three-dimensional information of corresponding scene, computer vision is one about such as
Needed for what obtains us with camera and computer, the data of subject and the knowledge of information.Figuratively,
It is to install eyes (camera) and brain (algorithm) to computer, allows computer that can perceive environment.
When in use, cab interior constitutes a confined space to the elevator that usual public arena uses, if in electricity
Emergency event, which always occurs, for terraced lifting process knows without people and is very dangerous thing, sets so needing to install monitoring in elevator
The occurrence of for cope with these, but existing monitoring has a problem that, the necessary very important person of so-called monitoring believes monitoring
It ceases the image sended over to be judged, usually artificially handles these a large amount of and complicated image process and its cumbersome, use
When it is longer and corresponding problem cannot be handled in time, and monitored picture performs practically no function when monitoring personnel is neglected one's duties, and leads to
Often many danger cannot exclude at the first time precisely due to the problem of this respect is caused.Meanwhile existing monitoring system for
The judgement of elevator dock floor and elevator operation will usually be sentenced by the sensor and controller of elevator interior system
Disconnected, once built-in system breaks down, maintenance and disassembly process are very difficult, generally require to expend a large amount of person property's power.
Meanwhile elevator operation monitoring at present obtains elevator operation information mainly by interacting with electric life controller in real time, it is real
Now to the real time monitoring of elevator operation.But since building elevator age span is very big, many elevators are of the remote past, do not prop up
It holds and interconnects with the external world, realize a kind of system for supporting various models, various years elevator operation thus, just seem non-
It is often necessary.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of elevator operation monitoring system of view-based access control model intelligence, is not necessarily to
It is connected directly and communicates with electric life controller, by Visual intelligent active analysis elevator cage inner case, realization judges that elevator is transported
Whether row health.
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of elevator operation monitoring system of view-based access control model intelligence, including elevator terminal and control centre, the elevator are whole
By wireless network interactive correspondence, the elevator terminal includes: display screen, alarm, camera, terminal control for end and control centre
Device and bridge equipment processed；The display screen includes loudspeaker, and the display screen and alarm are fixedly installed on lift car enabling
Side side wall, the camera are fixedly installed on the side wall of lift car enabling opposite side；The bridge equipment fixed setting
In elevator car roof；The terminal control unit is set to inside the display screen, and the display screen, alarm, is taken the photograph loudspeaker
As head and bridge equipment are electrically connected the terminal control unit；
The terminal control unit includes:
Wireless communication module accesses to internet for driving bridge equipment to establish WiFi connection；
Data reception module, for being uploaded and download system data by internet；
Micro- memory module, for storing received advertisement video file；
Ups power module for system will be supplied to use after alternating current pressure stabilizing, while charging, when commercial power interruption
Maintain power supply；
Vision-based detection module is used for real-time detection elevator operating condition, when detecting elevator operation troubles, drives elevator
Terminal and control centre establish audio-video interaction channel；The operation troubles is to detect that someone in lift car, elevator door are
Closed state and elevator remains static；
The control centre includes background terminal, and the background terminal includes:
Display module, for the operating status of elevators all in display area, the operation real time monitoring of single elevator and institute
State the corresponding cell number of single elevator, repair number and maintenance remark information；
Elevator terminal deployment module, for disposing elevator terminal advertisement broadcasting content, all elevators are corresponding in editing area
Cell number, repair number and maintenance remark information；
Communication module constructs the audio-video interaction channel simultaneous transmission system data for accessing to internet；
Memory module, for storing the corresponding cell number of all elevators in advertisement video file and region, repair number
And maintenance remark information.
Further, the display screen is two separate display display screen.
Further, the background terminal is contact screen type computer.
Further, the operating status of the elevator passes through white, green and red display, white, green and red point
It Biao Shi not system not running, system normal operation and system operation troubles.
Further, the maintenance remark information includes elevator model, date of survey and maintenance telephone.
Further, the stationary state is to detect that the elevator number of plies does not occur in 10 seconds by vision-based detection module
Variation, then determine that elevator remains static.
Further, the real-time detection elevator operating condition specifically: acquire a width carriage every t seconds driving cameras
Image, vision-based detection module analyse whether someone and elevator door opening-closing, while reading the elevator number of plies of carriage, if elevator door is
It someone and changes in the elevator number of plies 10 seconds in closed state, lift car, then determines that elevator operates normally；If detected
Someone in lift car, elevator door is in off state and elevator remains static, then determines that elevator is operating abnormally.
Further, the number of the bridge equipment is 2, is respectively arranged at elevator courtyard top and elevator car top
Portion.
Further, the camera and elevator door parallel alignment are arranged and coverage covers elevator floor and shows number
Word.
Compared with prior art, the invention has the following advantages:
The present invention carries out elevator operation real-time by artificial intelligence computer vision detection technology, driving camera
Monitoring, by acquiring carriage image, real-time detection analyses whether someone and elevator door opening-closing state, while reading the elevator of carriage
Thus the number of plies determines elevator whether normal operation, has abandoned the image that people sends over monitoring information in traditional monitoring work
Judged, has prevented a large amount of and complicated image-detection process；The present invention, can be actively after monitoring that elevator is operating abnormally
Notice system background is alarmed, while actively establishing audio/video communication channel between elevator cage and backstage, facilitates elevator car
The case where case personnel exchange with backstage manager, neglect one's duties there is no staff；The independence that the present invention passes through setting simultaneously
Elevator terminal independently can be overhauled or be replaced when built-in system breaks down without being docked with Elevator operation control system,
Installation and deployment are convenient, being capable of effectively save the cost.
Detailed description of the invention
Fig. 1 is present system overall architecture schematic diagram；
Fig. 2 is background terminal system interface schematic diagram of the present invention；
Fig. 3 is that interface schematic diagram is disposed in background terminal advertisement of the present invention；
Fig. 4 is background terminal interactive communication interface schematic diagram of the present invention；
Fig. 5 is terminal control unit structural schematic diagram of the present invention；
Fig. 6 is background terminal structural schematic diagram of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The present invention provides in a kind of elevator operation monitoring system of view-based access control model intelligence, including elevator terminal and control
By wireless network interactive correspondence, elevator terminal includes: display screen 1, alarm 3, camera for the heart, elevator terminal and control centre
4, terminal control unit 5 and bridge equipment 6；Display screen 1 includes loudspeaker 2, and display screen 1 and alarm 3 are fixedly installed on elevator car
Compartment enabling side side wall, camera 4 are fixedly installed on the side wall of lift car enabling opposite side；Bridge equipment 6 is fixedly installed
In elevator car roof；Terminal control unit 5 is set to inside display screen 1, display screen 1, loudspeaker 2, alarm 3,4 and of camera
The equal electrical connecting terminals controller 5 of bridge equipment 6；
Terminal control unit 5 includes:
Wireless communication module 501 accesses to internet for driving bridge equipment 6 to establish WiFi connection；
Data reception module 502, for being uploaded and download system data by internet；
Micro- memory module 503, for storing received advertisement video file；
Ups power module 504 for system will be supplied to use after alternating current pressure stabilizing, while charging, working as commercial power interruption
When maintain power supply, the monitoring of more convenient emergency staircase uses；
Vision-based detection module 505 is used for real-time detection elevator operating condition, when detecting elevator operation troubles, driving
Elevator terminal and control centre establish audio-video interaction channel；Operation troubles is to detect that someone in lift car, elevator door are
Closed state and elevator remains static；
Control centre includes background terminal 7, and background terminal 7 includes:
Display module 701, for the operating statuses of elevators all in display area, the operation real time monitoring of single elevator and
The corresponding cell number of single elevator, repair number and maintenance remark information；
Elevator terminal deployment module 702, for disposing elevator terminal advertisement broadcasting content, all elevator phases in editing area
Cell number, repair number and the maintenance remark information answered；
Communication module 703 constructs audio-video interaction channel simultaneous transmission system data for accessing to internet；
Memory module 704, for storing the corresponding cell number of all elevators in advertisement video file and region, maintenance is compiled
Number and maintenance remark information.
Specifically, display screen 1 is two separate display display screen, and background terminal 7 is contact screen type computer.
Specifically, stationary state is to detect that the elevator number of plies does not change in 10 seconds by vision-based detection module 505,
Then determine that elevator remains static.
Real-time detection elevator operating condition specifically: acquire a width carriage image, vision inspection every t seconds driving cameras 4
It surveys module 505 and analyses whether someone and elevator door opening-closing, while reading the elevator number of plies of carriage, if elevator door is to close shape
It someone and changes in the elevator number of plies 10 seconds in state, lift car, then determines that elevator operates normally；If detecting elevator car
Someone in compartment, elevator door is in off state and the elevator elevator number of plies does not change in 10 seconds, then determines that elevator is operating abnormally.
Elevator terminal major function is the advertisement that loop play disposes definition in advance, and real-time detection elevator operating condition,
Once it was found that elevator operation troubles, then notify control centre；Support is exchanged with control centre's system audio-video.
Background terminal 7 shows the operating status (white, green and red) of all elevators in specific region, respectively indicates and is
System is not installed or is run, system normal operation and system operation troubles；Backstage manager, which can choose, checks any one elevator
Operating condition (i.e. monitor video), choose whether to carry out voice dialogue, and save the picture in current video.Selection checks certain
When a elevator video, the corresponding cell number of the elevator, repair number and maintenance remark information (include: elevator model, maintenance
Date, maintenance telephone etc.) it can also show simultaneously.
Background terminal 7 also supports the deployment of advertisement broadcasting content and filling in for elevator information of elevator terminal.
Terminal control unit 5 is run using dual-thread, and a thread disposes loop play in two advertisement windows, according to advertisement
Advertisement；Another thread analyses whether someone, elevator door the states such as open every t seconds one width carriage images of acquisition, reads simultaneously
Take the elevator number of plies of carriage.If door is closed and someone and the elevator number of plies are in constantly variation (in 10 seconds), elevator is operated normally；
If door is closed and someone and the elevator number of plies (in 10 seconds) do not change, elevator is operating abnormally, and discovery elevator is operating abnormally, then is led to
Know background terminal 7.
As shown in Fig. 2, background terminal 7 shows a cell (distribution map in building, band number square), each circle represents one
A elevator, background system receiving terminal operating status notice, if normal when, then show green；N/A is then displayed in white, if
Abnormal notice, then be displayed in red.
" advertisement deployment " button is selected, interface occurs as shown in figure 3, an advertisement deployment may be selected in administrator right user
File clicks some specific elevator, advertisement video file is handed down to selected electricity by background system after selecting " determination " button
Ladder；It is clicked in blank space, after selection, then advertisement is handed down to all elevators by background system.
" terminal interaction " button is selected, some elevator is clicked, then elevator video window occurs, as shown in figure 4, " voice pair
Say " check box chooses, then can interact with carriage personnel；Otherwise it can only see carriage video；" preservation " button, selection
Afterwards, the picture in current car video can be saved.Cell number, the repair number of the elevator are shown on the right of elevator video window
And maintenance remark information.
The present invention is individually positioned in elevator courtyard top (referred to as A bridge equipment) and elevator car using a pair of of wireless bridge
Box top (referred to as B bridge equipment).
A bridge needs to be connected with building network where elevator, and accessible internet.B bridge equipment and elevator terminal,
It is connected automatically by wifi, to realize the accessible internet of elevator terminal.
The i.e. touch screen computer of background terminal 7 is also required to be connected with subzone network, and accessible internet, thus realizes
Network interconnection intercommunication between elevator terminal and back-stage management (touch screen computer).
Elevator terminal display screen is a two separate display advertisement machine, and by connecting a wide-angle camera, the former is mounted on
The side that lift car opens the door, the latter are then mounted on elevator terminal opposite.It should be noted that camera installation site, need
During installation connection computer determine, if with elevator door parallel alignment and cover elevator floor display number.
After the completion of elevator terminal hardware installation, first ensure that elevator terminal has connected network, then activation system, work people
Member need to walk out elevator and shut elevator door, guarantee after 30s the elevator background that obtains be elevator door close and in elevator nobody.
The present invention carries out elevator operation real-time by artificial intelligence computer vision detection technology, driving camera
Monitoring, by acquiring carriage image, real-time detection analyses whether someone and elevator door opening-closing state, while reading the elevator of carriage
Thus the number of plies determines elevator whether normal operation, has abandoned the image that people sends over monitoring information in traditional monitoring work
Judged, has prevented a large amount of and complicated image-detection process；The present invention, can be actively after monitoring that elevator is operating abnormally
Notice system background is alarmed, while actively establishing audio/video communication channel between elevator cage and backstage, facilitates elevator car
The case where case personnel exchange with backstage manager, neglect one's duties there is no staff；The independence that the present invention passes through setting simultaneously
Elevator terminal independently can be overhauled or be replaced when built-in system breaks down without being docked with Elevator operation control system,
Installation and deployment are convenient, being capable of effectively save the cost.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of elevator operation monitoring system of view-based access control model intelligence, including elevator terminal and control centre, the elevator terminal
Pass through wireless network interactive correspondence with control centre, which is characterized in that the elevator terminal includes: display screen (1), alarm
(3), camera (4), terminal control unit (5) and bridge equipment (6)；The display screen (1) includes loudspeaker (2), the display
Screen (1) and alarm (3) are fixedly installed on lift car enabling side side wall, and the camera (4) is fixedly installed on elevator car
The side wall of compartment enabling opposite side；The bridge equipment (6) is fixedly installed on elevator car roof；The terminal control unit (5)
It is internal to be set to the display screen (1), the display screen (1), loudspeaker (2), alarm (3), camera (4) and bridge equipment
(6) terminal control unit (5) are electrically connected；
The terminal control unit (5) includes:
Wireless communication module (501) accesses to internet for driving bridge equipment (6) to establish WiFi connection；
Data reception module (502), for being uploaded and download system data by internet；
Micro- memory module (503), for storing received advertisement video file；
Ups power module (504) for system will be supplied to use after alternating current pressure stabilizing, while charging, when commercial power interruption
Maintain power supply；
Vision-based detection module (505) is used for real-time detection elevator operating condition, when detecting elevator operation troubles, driving electricity
Terraced terminal and control centre establish audio-video interaction channel；The operation troubles is to detect someone in lift car, elevator door
It is in off state and elevator remains static；
The control centre includes background terminal (7), and the background terminal (7) includes:
Display module (701), for the operating status of elevators all in display area, the operation real time monitoring of single elevator and institute
State the corresponding cell number of single elevator, repair number and maintenance remark information；
Elevator terminal deployment module (702), for disposing elevator terminal advertisement broadcasting content, all elevators are corresponding in editing area
Cell number, repair number and maintenance remark information；
Communication module (703) constructs the audio-video interaction channel simultaneous transmission system number for accessing to internet
According to；
Memory module (704), for storing the corresponding cell number of all elevators in advertisement video file and region, repair number
And maintenance remark information.
2. a kind of elevator operation monitoring system of view-based access control model intelligence according to claim 1, it is characterised in that: described aobvious
Display screen (1) is two separate display display screen.
3. a kind of elevator operation monitoring system of view-based access control model intelligence according to claim 2, it is characterised in that: after described
Platform terminal (7) is contact screen type computer.
4. a kind of elevator operation monitoring system of view-based access control model intelligence according to claim 3, it is characterised in that: the electricity
For the operating status of ladder by white, green and red display, white, green and red respectively indicate system not running, system fortune
Capable normal and system operation troubles.
5. a kind of elevator operation monitoring system of view-based access control model intelligence according to claim 4, it is characterised in that: the dimension
Repairing remark information includes elevator model, date of survey and maintenance telephone.
6. a kind of elevator operation monitoring system of view-based access control model intelligence according to claim 5, it is characterised in that: described quiet
Only state is to detect that the elevator number of plies does not change in 10 seconds by vision-based detection module (505), then determine that elevator is in
Stationary state.
7. a kind of elevator operation monitoring system of view-based access control model intelligence according to claim 6, it is characterised in that: the reality
When detect elevator operating condition specifically: every t second driving camera (4) acquisition one width carriage image, vision-based detection module
(505) someone and elevator door opening-closing are analysed whether, while reading the elevator number of plies of carriage, if elevator door is in off state, electricity
It someone and changes in the elevator number of plies 10 seconds in terraced carriage, then determines that elevator operates normally；If detected in lift car
Someone, elevator door are in off state and elevator remains static, then determine that elevator is operating abnormally.
8. a kind of elevator operation monitoring system of view-based access control model intelligence according to claim 7, it is characterised in that: the net
The number of bridge device (6) is 2, is respectively arranged at elevator courtyard top and elevator car roof.
9. a kind of elevator operation monitoring system of view-based access control model intelligence according to claim 7, it is characterised in that: described to take the photograph
As elevator floor display number is covered in head (4) and the setting of elevator door parallel alignment and coverage.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111942984A (en) * | 2020-08-11 | 2020-11-17 | 山西迷雾科技有限公司 | Elevator advertisement machine with dynamic monitoring function |
| CN112249829A (en) * | 2020-10-21 | 2021-01-22 | 张华� | Method for assisting in judging state of elevator car door based on machine vision technology |
| CN112347862A (en) * | 2020-10-20 | 2021-02-09 | 浙江新再灵科技股份有限公司 | Elevator door fault real-time detection method based on machine vision |
| CN113526288A (en) * | 2021-08-11 | 2021-10-22 | 航天万源云数据河北有限公司 | Elevator operation parameter supervisory systems based on thing networking big data |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231956A (en) * | 2013-04-28 | 2013-08-07 | 天津市安维康家科技发展有限公司 | Multifunctional intelligent remote alarm media machine for elevator |
| CN207943706U (en) * | 2018-01-30 | 2018-10-09 | 苏州路易威森电梯有限公司 | A kind of supervisory systems for Internet of Things elevator |
| JP2018180801A (en) * | 2017-04-10 | 2018-11-15 | 三菱電機ビルテクノサービス株式会社 | Monitoring system and information terminal device in monitoring system |
| CN208135683U (en) * | 2018-05-02 | 2018-11-23 | 上海乐配信息科技有限公司 | A kind of elevator detection device and elevator detection system |
| CN208234328U (en) * | 2018-05-07 | 2018-12-14 | 南京志达智丰网络科技有限公司 | Elevator faults network monitoring platform |
-
2019
- 2019-03-13 CN CN201910188486.9A patent/CN109775486A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231956A (en) * | 2013-04-28 | 2013-08-07 | 天津市安维康家科技发展有限公司 | Multifunctional intelligent remote alarm media machine for elevator |
| JP2018180801A (en) * | 2017-04-10 | 2018-11-15 | 三菱電機ビルテクノサービス株式会社 | Monitoring system and information terminal device in monitoring system |
| CN207943706U (en) * | 2018-01-30 | 2018-10-09 | 苏州路易威森电梯有限公司 | A kind of supervisory systems for Internet of Things elevator |
| CN208135683U (en) * | 2018-05-02 | 2018-11-23 | 上海乐配信息科技有限公司 | A kind of elevator detection device and elevator detection system |
| CN208234328U (en) * | 2018-05-07 | 2018-12-14 | 南京志达智丰网络科技有限公司 | Elevator faults network monitoring platform |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111942984A (en) * | 2020-08-11 | 2020-11-17 | 山西迷雾科技有限公司 | Elevator advertisement machine with dynamic monitoring function |
| CN112347862A (en) * | 2020-10-20 | 2021-02-09 | 浙江新再灵科技股份有限公司 | Elevator door fault real-time detection method based on machine vision |
| CN112249829A (en) * | 2020-10-21 | 2021-01-22 | 张华� | Method for assisting in judging state of elevator car door based on machine vision technology |
| CN113526288A (en) * | 2021-08-11 | 2021-10-22 | 航天万源云数据河北有限公司 | Elevator operation parameter supervisory systems based on thing networking big data |
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