CN102616618A - Elevator remote monitoring system based on 3G technology - Google Patents
Elevator remote monitoring system based on 3G technology Download PDFInfo
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- CN102616618A CN102616618A CN2012100845850A CN201210084585A CN102616618A CN 102616618 A CN102616618 A CN 102616618A CN 2012100845850 A CN2012100845850 A CN 2012100845850A CN 201210084585 A CN201210084585 A CN 201210084585A CN 102616618 A CN102616618 A CN 102616618A
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Abstract
The invention discloses an elevator remote monitoring system based on a 3G technology. The elevator remote monitoring system comprises an elevator control cabinet (10), and internal information acquisition equipment (2) in an elevator car, as well as an information acquisition unit (1), an information exchanger (4), a communication host (5), 3G communication equipment (7) and a Web server (8), wherein the communication host (5) is connected with the internal information acquisition equipment (2) through the information exchanger (4) and used for acquiring the passenger information in the elevator car; the communication host (5) is connected with the elevator control cabinet (10) through the information acquisition unit (1) and used for receiving the elevator state data; the 3G communication equipment (7) is connected with the communication host (5) to form a 3G network (11); and the Web server (8) is connected with the communication host (5) through the 3G network (11). According to the invention, the 3G technology is adopted to perform remote monitoring to the elevator, so that maintenance staff can conveniently master the elevator condition in time. Therefore, the monitoring system has high real-time performance, and is safer.
Description
Technical field
The present invention relates to a kind of elevator long distance supervisory system, especially a kind of elevator long distance supervisory system based on 3G technology.
Background technology
Elevator has been widely used in the modern society life, no matter be that the multilayer more than 5 layers all has been equipped with elevator with skyscraper in ShangWu Building or the residential building, and the part Cargo Lift in addition that has.We can say that elevator technology and application are that people are daily and all touch and personal user.Though the technology of elevator all upgrading and improving, still exists some problems all the time at present.How can know the very first time such as Lift out of order, whether repair and maintenance or maintenance have record, and whether after personal injury occurring, can fast and effeciently handle and deal with problems arising from an accident all be the problem place.See that from the problem that present elevator exists following characteristics are arranged:
1. Lift out of order real-time is high, in case often the elevator et out of order is known to the related personnel and understood certain interval of time, has equipment or personal safety hidden danger probably in the middle of during this period of time, causes unnecessary loss.
2. the management of the repair and maintenance of elevator is relatively more chaotic; Though every elevator all has the unit and the rules and regulations of responsible repair and maintenance; But artificial factor causes the actual effect existing problems of repair and maintenance, does not have a kind of means effectively to come accurately on time and can write down the time of repair and maintenance and personnel's information causes the untimely potential safety hazard that causes of some repair and maintenance.
3. the locus in numerous elevators zone relatively disperses, and control cabin just need keep closer distance with elevator, in the time of the multi-section elevator, just than higher, has limited repair and maintenance personnel's action radius for the space requirement of control cabin.
In sum, elevator management needs a kind of real-time high, is easy to management statistics, can with car in carry out the Long-Range Surveillance System of monitoring of communication in all directions and safety that can omnidirectional tracking repair and maintenance record.
Retrieve Chinese patent according to the applicant; Find that one piece of application number is 200710147506.5 and is called the patent of invention of " based on the elevator long distance supervisory systems and the method for wireless network "; Technical characterictic relates to and uses the gsm wireless network in the elevator Application for Field, but the mode of wireless network type in this patent and the technical scheme of the present invention and information data is all different.In addition, not retrieving other utilizes wireless network to carry out the prior art of elevator device monitoring.
Summary of the invention
The object of the invention is exactly problem and the defective that exists to present elevator monitoring technology, and a kind of, elevator long distance supervisory system of being easy to management statistics high based on 3G mobile communication technology, real-time is provided.Compare other wireless communication techniques, utilize the 3G radio network technique can reach the effect that communication efficiency is higher, transmission distance is farther, the elevator long distance supervisory system based on 3G technology provided by the invention, its technical scheme is following:
Elevator long distance supervisory system based on 3G technology; Comprise elevator control cabinet 10, be installed in the internal information collecting device 2 in the lift car; Wherein, Also comprise information acquisition device 1, message exchange 4, host computer communication 5,3G communication apparatus 7 and web server 8, said host computer communication 5 links to each other with said internal information collecting device 2 through said message exchange 4 and is used to gather the Customer information in the sedan-chair case; Said host computer communication 5 links to each other with electric life controller 10 through said information acquisition device 1 and is used to receive elevator status data; Said 3G communication apparatus 7 link to each other with host computer communication 5 and form 3G network 11, said web server 8 links to each other with host computer communication 5 through said 3G network 11.
Further, said internal information collecting device 2 is an analog audio-video equipment, and said analog audio-video equipment links to each other with said message exchange 4 through A and D converter.
Or said internal information collecting device 2 is digital image apparatus (IPC), and said digital image apparatus (IPC) links to each other with said message exchange 4.
Further, said elevator long distance supervisory system also includes memory device 6, and said memory device 6 can directly be pegged graft with said host computer communication 5.
Said elevator long distance supervisory system also includes data server 9, and said data server 9 links to each other with said web server 8.
The authentication key 3 that said information acquisition device 1 has the authentication information input port and pegs graft with said authentication information input port, said authentication key 3 stores elevator maintenance personnel's authentication information.
Said web server 8 can also be connected with multiple final terminal through termination rack 12.
The present invention utilizes third generation mobile technology (being commonly referred to 3G technology) that elevator is moved and carries out telemonitoring compared to existing technologies, makes things convenient for the elevator maintenance personnel in time to grasp the elevator operation conditions, guarantees elevator safety; Web server and data server can be integrated back storage and issue with the elevator monitoring data handing, and real-time is high, is easy to management statistics, can with elevator cage in carry out that communication is in all directions kept watch on and can omnidirectional tracking repair and maintenance record, safer.
Description of drawings
Fig. 1 is the scheme drawing that the present invention is based on the elevator long distance supervisory system of 3G technology;
Shown in the figure: 1: information acquisition device, 2: internal information collecting device, 3: authentication key, 4: message exchange; 5: host computer communication, 6: memory device, 7:3G communication apparatus, 8:web server; 9: data server, 10: electric life controller, 11:3G network, 12: termination rack.
The specific embodiment
Through Figure of description, specific embodiments of the invention is done and is further described below.
As shown in Figure 1; The elevator long distance supervisory system that the present invention is based on the 3G mechanics of communication can be applied to keep watch on the operation of multi-section elevator; This elevator long distance supervisory system specifically comprises electric life controller 10, internal information collecting device 2, information acquisition device 1, message exchange 4, host computer communication 5, web server 8.The host computer communication 5 here is multi-functional message processing module; Inside comprises CPU module, memory module, I/O interface etc.; IC chips such as micro controller system can be used for realizing the function of host computer communication 5, so, will not give unnecessary details for the structure of host computer communication 5.Internal information collecting device 2 is positioned at the sedan-chair case of each elevator; Gather Customer information in the elevator cage in real time; Internal information collecting device 2 links to each other with unified LAN Information exchanger 4; Customer information in the elevator is in time fed back to host computer communication 5, and LAN Information exchanger 4 is used for the reception and the transmission of multichannel data, and Customer information in the elevator cage is in time fed back to host computer communication 5.Difference according to the kind of internal signal collecting device 2; Internal signal collecting device 2 can also be divided into following two kinds of situation; When adopting the audio-video collection equipment of analog signal in the car; Such as camera or answerphone, the audio/video information collector is gathered the audio frequency and video analog signal and is converted the network digital signal to through the A and D converter (not shown), and the local area network of forming through LAN Information exchanger 4 sends to host computer communication 5; When the audio & video equipment that adopts the network digital signal in the car during such as the IPC image documentation equipment, the local area network of directly the IPC image documentation equipment audio, video data being made up of via LAN Information exchanger 4 sends to host computer communication 5., elevator opens the audio frequency and video service when existing oppressive fault, can be directly and the interior trapped personnel intercommunication of car, and through the personal safety situation of trapped personnel in the observation of the monitoring camera in the sedan-chair case sedan-chair case.Screening wire is adopted in above-mentioned audio, video data transmission, and advantage is disturbance rejection, easy for installation, low price.
For keeping watch on the real-time running state of elevator; This programme utilizes a plurality of information acquisition devices 1; Wherein, Information acquisition device 1 directly links to each other with electric life controller 10, and electric life controller 10 is installed in the frequency converter (not shown) in the elevator control cabinet mostly, information acquisition device 1 even can be integrated on the elevator control circuit plate with electric life controller 10.Electric life controller 10 is primary modules of operation of control elevator and conveying elevator operating data; Electric life controller 10 sends the elevator operating data that obtains and fault data (below be referred to as status data) to be attached thereto information acquisition device 1, and information acquisition device 1 sends elevator status data to host computer communication 5 again.Information acquisition device 1 is gathered the elevator status data in the electric life controller 10 through the RS422 serial interface, and the data that are integrated into rule send to host computer communication 5 through the RS485 universal serial bus.Here used RS422 and RS485 serial data line all adopt Shielded Twisted Pair, can play the disturbance rejection effect.The elevator operating data is to gather in real time in real time to send, and both our the elevator operating data seen was real-time monitoring.The elevator faults data then are real-time collections, only in the time of fault, just send to host computer communication 5, both only in the time of fault, just can be reflected in web server 8 with and subsequent final terminal on.Transmit when two-way information acquisition equipment has been realized the two-way monitor data, exhale checking mutually, guaranteed the normal operation of elevator device.
The 3G network 11 that after the arrangement of data message and elevator status data information via elevator status data is formed via 3G communication apparatus 7 in the sedan-chair that host computer communication 5 is collected through two-way information acquisition equipment sends to the web server 8 of far-end and handles; At this; 3G wireless communication networks based on 3G technology formation; Good performance is all arranged on coverage rate, signal strength and bandwidth; So under the situation of cable network resource-constrained, take away 3G network to can solve the problem of space and communication efficiency.Certainly, if there is wired network interface easily this locality, also can send the elevator data through wired network interface, can such requirement to the space just bigger, the elevator maintain and protection personnel can not understand elevator operation in time.Data message will be temporary in memory device 6 by host computer communication 5 in elevator faults data and the sedan-chair under not having the situation of oppressive fault in addition; Memory device 6 can be plugged on the host computer communication 5; Be used to deposit the elevator faults data and can make things convenient for field notes and repair and maintenance, deposit sedan-chair internal information data and can strong evidence and analysis of data be provided for the judgement and the analysis of elevator faults.After oppressive fault took place elevator, host computer communication 5 to far-end web server 8, supplied the monitor staff to trapped personnel contact and Real Time Observation rescue sedan-chair internal information data forwarding.
Web server 8 receives each association of the elevator that host computer communication 5 sends through 3G network 11; Deposit database server 9 on the one hand in, issue into the web page on the one hand and supply the monitor staff to consult, learn the elevator operation data more easily in order to make the repair and maintenance personnel; Web server 8 can be connected with multiple final terminal by termination rack; Such as computer, mobile phone etc., this network can be wireless network or cable network, is preferably wireless network; Such as 3G network, make things convenient for the elevator maintain and protection personnel to understand elevator running condition whenever and wherever possible like this.The process need software engineer that related data converts the web page to carries out program design, does not repeat them here.The elevator faults data provide the monitor staff to handle to play window pattern or list mode.People from pass fault then is processed into sound and light alarm prompting monitor staff and handles sue and labour commander and scheduling immediately.After elevator take place to close people's fault, web server 8 was opened speech talkback and video capability after receiving the audio, video data that host computer communication 5 sends, and carried out communication exchange with trapped personnel in the sedan-chair case and voice are pacified.
For the repair and maintenance personnel, on monitor supervision platform, can import repair and maintenance information in addition, and remind the repair and maintenance personnel to carry out elevator maintain and protection work on time.One of them method is: have the authentication information input port on the information acquisition device 1; The authentication information input port that the repair and maintenance staff inserts elevator information collectors 1 with authentication key 3 carries out the Information Authentication of repair and maintenance personnel identity, extracts authentication key 3 after finishing repair and maintenance work.Whole repair and maintenance work-hours and worker information just send to web server 8 through elevator information collector 1 via host computer communication 5, store database server 9 into, and all like this repair and maintenance information just can be embodied on the web server 8 very easily.
The present invention only carries out detailed description with regard to most preferred embodiment of the present invention; But can not be interpreted as the restriction of other modes that the present invention is implemented; Everyly on basis of the present invention, further improve and similar or identical scheme, all being regarded as is the scope that the present invention asks for protection.
According to the announcement and the instruction of above-mentioned specification sheets, those skilled in the art in the invention can also carry out suitable change and modification to above-mentioned embodiment.Therefore, the specific embodiment that discloses and describe above the present invention is not limited to also should fall in the protection domain of claim of the present invention modifications more of the present invention and change.In addition, although used some specific terms in this specification sheets, these terms are explanation for ease just, the present invention is not constituted any restriction.
Claims (7)
1. based on the elevator long distance supervisory system of 3G technology; Comprise elevator control cabinet (10), be installed in the internal information collecting device (2) in the lift car; It is characterized in that also comprising information acquisition device (1), message exchange (4), host computer communication (5), 3G communication apparatus (7) and web server (8), said host computer communication (5) links to each other with said internal information collecting device (2) through said message exchange (4) and is used to gather the Customer information in the sedan-chair case; Said host computer communication (5) links to each other with electric life controller (10) through said information acquisition device (1) and is used to receive elevator status data; Said 3G communication apparatus (7) links to each other with host computer communication (5) and forms 3G network (11), and said web server (8) links to each other with host computer communication (5) through said 3G network (11).
2. the elevator long distance supervisory system based on 3G technology according to claim 1; It is characterized in that: said internal information collecting device (2) is an analog audio-video equipment, and said analog audio-video equipment links to each other with said message exchange (4) through A and D converter.
3. the elevator long distance supervisory system based on 3G technology according to claim 1 is characterized in that: said internal information collecting device (2) is a digital image apparatus (IPC), and said digital image apparatus (IPC) links to each other with said message exchange (4).
4. according to each described elevator long distance supervisory system of claim 1-3 based on 3G technology; It is characterized in that: said elevator long distance supervisory system also includes memory device (6), and said memory device (6) can directly be pegged graft with said host computer communication (5).
5. according to each described elevator long distance supervisory system based on 3G technology of claim 1-3, it is characterized in that: said elevator long distance supervisory system also includes data server (9), and said data server (9) links to each other with said web server (8).
6. the elevator long distance supervisory system based on 3G technology according to claim 1; It is characterized in that: the authentication key (3) that said information acquisition device (1) has the authentication information input port and pegs graft with said authentication information input port, said authentication key (3) stores elevator maintenance personnel's authentication information.
7. according to claim 1 or 6 described elevator long distance supervisory systems based on 3G technology, it is characterized in that: said web server (8) can also be connected with multiple final terminal through termination rack (12).
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| CN2012100845850A CN102616618A (en) | 2012-03-27 | 2012-03-27 | Elevator remote monitoring system based on 3G technology |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868917A (en) * | 2012-09-12 | 2013-01-09 | 广州日滨科技发展有限公司 | Method and system for simultaneously and remotely monitoring multiple elevator videos |
| CN103231958A (en) * | 2013-05-17 | 2013-08-07 | 江苏莫洛克新材料科技有限公司 | Elevator safe operation monitoring system |
| CN104229577A (en) * | 2013-06-14 | 2014-12-24 | 现代电梯株式会社 | Remote maintenance system of elevator using by mobile application |
| CN104229574A (en) * | 2013-06-11 | 2014-12-24 | 东芝电梯株式会社 | Elevator monitoring system |
| CN105016157A (en) * | 2015-07-24 | 2015-11-04 | 济南智嵌测控技术有限公司 | Novel elevator accident site state parameter transmission device |
| CN105398901A (en) * | 2015-12-24 | 2016-03-16 | 广州永日电梯有限公司 | Internet of things remote monitoring method for safe elevator operation |
| CN105398900A (en) * | 2015-12-24 | 2016-03-16 | 广州永日电梯有限公司 | Internet of things monitoring method for elevator maintenance |
| CN105905718A (en) * | 2016-06-16 | 2016-08-31 | 唐山奥特机电设备有限公司 | Elevator safety system utilizing WeChat in mobile phone to inquire |
| CN106477412A (en) * | 2016-12-08 | 2017-03-08 | 北京金尚互联科技股份有限公司 | Elevator device for monitoring running and system |
| CN108439110A (en) * | 2018-06-08 | 2018-08-24 | 武汉弘安梯创科技股份有限公司 | A kind of multifunctional lift running monitor device |
| CN108466881A (en) * | 2017-02-23 | 2018-08-31 | 无锡鸿廷科技有限公司 | A kind of detecting system and detection method of elevator shaft |
| CN108639890A (en) * | 2018-07-20 | 2018-10-12 | 芜湖职业技术学院 | A kind of elevator monitoring system and software architecture |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101374357A (en) * | 2007-08-23 | 2009-02-25 | 中国建筑科学研究院建筑机械化研究分院 | System and method for remote monitoring elevator base on wireless network |
| CN201869228U (en) * | 2010-11-15 | 2011-06-15 | 杭州市特种设备检测院 | Lift state-monitoring and remote rescue-assisting signal transmission device |
| CN102209232A (en) * | 2010-04-09 | 2011-10-05 | 佛山市智邦电子科技有限公司 | Remote audio and video monitor system and method thereof |
| CN102231760A (en) * | 2011-08-01 | 2011-11-02 | 重庆和航科技股份有限公司 | Interface protocol-based remote elevator monitoring system and method of internet of things |
| JP2011249860A (en) * | 2010-05-21 | 2011-12-08 | Softbank Mobile Corp | Remote monitoring system and communication adapter device for the system |
| CN202670945U (en) * | 2012-03-27 | 2013-01-16 | 杭州优迈科技有限公司 | Elevator remote monitoring device based on third generation telecommunication (3G) technology |
-
2012
- 2012-03-27 CN CN2012100845850A patent/CN102616618A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101374357A (en) * | 2007-08-23 | 2009-02-25 | 中国建筑科学研究院建筑机械化研究分院 | System and method for remote monitoring elevator base on wireless network |
| CN102209232A (en) * | 2010-04-09 | 2011-10-05 | 佛山市智邦电子科技有限公司 | Remote audio and video monitor system and method thereof |
| JP2011249860A (en) * | 2010-05-21 | 2011-12-08 | Softbank Mobile Corp | Remote monitoring system and communication adapter device for the system |
| CN201869228U (en) * | 2010-11-15 | 2011-06-15 | 杭州市特种设备检测院 | Lift state-monitoring and remote rescue-assisting signal transmission device |
| CN102231760A (en) * | 2011-08-01 | 2011-11-02 | 重庆和航科技股份有限公司 | Interface protocol-based remote elevator monitoring system and method of internet of things |
| CN202670945U (en) * | 2012-03-27 | 2013-01-16 | 杭州优迈科技有限公司 | Elevator remote monitoring device based on third generation telecommunication (3G) technology |
Non-Patent Citations (2)
| Title |
|---|
| 刘松国等: "电梯运行状态监测与故障远程报警系统研究", 《自动化与仪表》 * |
| 张军等: "基于3G技术的智能农业远程监控与管理系统", 《计算机测量与控制》 * |
Cited By (15)
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|---|---|---|---|---|
| CN102868917B (en) * | 2012-09-12 | 2015-08-26 | 广州日滨科技发展有限公司 | The method and system of the multiple elevator of remote monitoring simultaneously video |
| CN102868917A (en) * | 2012-09-12 | 2013-01-09 | 广州日滨科技发展有限公司 | Method and system for simultaneously and remotely monitoring multiple elevator videos |
| CN103231958A (en) * | 2013-05-17 | 2013-08-07 | 江苏莫洛克新材料科技有限公司 | Elevator safe operation monitoring system |
| CN103231958B (en) * | 2013-05-17 | 2016-01-13 | 广州维亚通用实业有限公司 | A kind of elevator safety operation monitored control system |
| CN104229574A (en) * | 2013-06-11 | 2014-12-24 | 东芝电梯株式会社 | Elevator monitoring system |
| CN104229577A (en) * | 2013-06-14 | 2014-12-24 | 现代电梯株式会社 | Remote maintenance system of elevator using by mobile application |
| CN104229577B (en) * | 2013-06-14 | 2016-12-07 | 现代电梯株式会社 | Use the system of mobile phone remote maintenance elevator |
| CN105016157A (en) * | 2015-07-24 | 2015-11-04 | 济南智嵌测控技术有限公司 | Novel elevator accident site state parameter transmission device |
| CN105398901A (en) * | 2015-12-24 | 2016-03-16 | 广州永日电梯有限公司 | Internet of things remote monitoring method for safe elevator operation |
| CN105398900A (en) * | 2015-12-24 | 2016-03-16 | 广州永日电梯有限公司 | Internet of things monitoring method for elevator maintenance |
| CN105905718A (en) * | 2016-06-16 | 2016-08-31 | 唐山奥特机电设备有限公司 | Elevator safety system utilizing WeChat in mobile phone to inquire |
| CN106477412A (en) * | 2016-12-08 | 2017-03-08 | 北京金尚互联科技股份有限公司 | Elevator device for monitoring running and system |
| CN108466881A (en) * | 2017-02-23 | 2018-08-31 | 无锡鸿廷科技有限公司 | A kind of detecting system and detection method of elevator shaft |
| CN108439110A (en) * | 2018-06-08 | 2018-08-24 | 武汉弘安梯创科技股份有限公司 | A kind of multifunctional lift running monitor device |
| CN108639890A (en) * | 2018-07-20 | 2018-10-12 | 芜湖职业技术学院 | A kind of elevator monitoring system and software architecture |
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Application publication date: 20120801 |