CN103010885B - Long-range positioning and monitoring system for engineering elevator - Google Patents
Long-range positioning and monitoring system for engineering elevator Download PDFInfo
- Publication number
- CN103010885B CN103010885B CN201210557010.6A CN201210557010A CN103010885B CN 103010885 B CN103010885 B CN 103010885B CN 201210557010 A CN201210557010 A CN 201210557010A CN 103010885 B CN103010885 B CN 103010885B
- Authority
- CN
- China
- Prior art keywords
- elevator
- controller
- sensor
- central monitor
- status parameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention relates to a long-range positioning and monitoring system for an engineering elevator. The long-range positioning and monitoring system for the engineering elevator comprises a sensor group, wherein the sensor group is installed on the elevator and is used for detecting the working state parameters of the elevator; the sensor group is connected with a controller; the controller receives the working state parameters input by the sensor group; the working state parameters are subjected to display output via a display screen; the controller also can be used for wirelessly transmitting the working state parameters detected by the sensor group into a central monitor; the working state parameters received by the central monitor and the corresponding elevator are subjected to associative storage by the central monitor; after the working state parameters are analyzed and judged by the central monitor, the central monitor transmits an alarm signal to the controller when the working state is not matched with a preset state in the central monitor; and the controller outputs alarm information by an alarm device. The long-range positioning and monitoring system for the engineering elevator has the advantages of compact structure, wide applicable range, safety and reliability, and the engineering elevator can be effectively subjected to dynamic intellectualization and informatization monitoring.
Description
Technical field
The present invention relates to a kind of monitored control system, especially a kind of engineering elevator long range positioning monitored control system, belongs to the technical field of elevator remote monitor and control.
Background technology
Engineering elevator and building construction hoist (hereinafter referred to as " elevator ") are that a kind of work cage (cage) that uses makes along guide rail bracket the mechanical elevator that personnel and material are transported in vertical (or inclination) motion.SC type rack geared elevator is that current China construction market uses the most universal elevator.
Along with the high speed development of domestic economy, real-estate market skyscraper has become flourish main flow.Elevator with its people's goods double-purpose, can vertical lift, stop layer by layer, load carrying ability is widely used in greatly the camp site of skyscraper.In construction trade, lease elevator become development tendency.
How guaranteeing that the safe handling of manned cargo-carrying elevator is related to the safety of people's lives and properties, is the important content of building a harmonious society, and is the imbody of the Scientific Outlook on Development of adhering to that people-oriented.
Constantly there is elevator falls accident in recent year, causes the safety misadventure of falling to death tumble injury to cause heavy losses to people's life and national wealth.
The safe handling of current domestic elevator industry is mainly with manual detection, be mechanically main, this mode is regular, static safety detection, can not meet the requirement of each element dynamic monitoring at any time on impact safety, to lease away from elevator manufacturing company all corners of the country throughout the country the operating safe condition of elevator, be in actual runaway condition, cause the hidden danger of safety misadventure.
External many heavy construction vehicle for construction companies extensively adopt automatic computer and network technology in the working process of construction machinery and equipment, construction machinery and equipment are introduced to the technology of electronic monitoring and tracing trouble.Achieve on-line intelligence monitoring, forecast, work machine dynamic situation carry out remote diagnosis and the maintenance of fault.Achieve failure monitoring, the automation of diagnosis, intellectuality, informationization.The level of the dynamic situation of our current monitoring, forecast, work machine lags behind world level.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of engineering elevator long range positioning monitored control system, its compact conformation, dynamic and intelligent effectively, information-based monitoring can be carried out to engineering elevator, wide accommodation, safe and reliable.
According to technical scheme provided by the invention, described engineering elevator long range positioning monitored control system, comprise and being installed on elevator and sensor group for detecting the working status parameter of elevator, described sensor group is connected with controller, controller receiving sensor group detects the working status parameter of input, and carries out display translation by read-out; The working status parameter that described sensor group detects can also be wirelessly transmitted in central monitor by controller, and central monitor is by the working status parameter of reception and corresponding elevator association store; After central monitor judges described working status parameter analysis, when described mode of operation does not mate with the preset state in central monitor, central monitor transmits alerting signal to controller, and controller is by warning device output alarm information.
Described controller is connected in GPRS mode with central monitor by communication module.Described controller is connected with upper computer, and the working status parameter of elevator is transferred in upper computer by controller, and upper computer stores the working status parameter received.
Described upper computer is connected with chopping machine, the working status parameter that upper computer is stored by chopping machine printout.
Described upper computer is connected with server, and server is interconnected by internet and central monitor.
Described sensor group comprises net capacity sensor, electric leakage punctures sensor, rack-and-gear gap sensor, state of equilibrium sensor, roller station guide sensor, braking mode sensor, master cock failure sensor, equipment automatically lock sensor and cage null pick-up.
Described sensor group comprises GPS locating module, locating information is transferred in controller by described GPS locating module, the locating information receiving elevator is transferred in central monitor by controller, and central monitor is by the locating information of elevator and working status parameter association store.
Described controller comprises PLC.
Described sensor group comprises video speech sensor, and controller carries out voice and video transmission by video speech sensor and central controller.
Advantage of the present invention: the mode of operation being detected elevator by sensor group, controller and upper computer coordinate the monitoring and management realizing elevator being carried out to field activity, central monitor realization is to the remote monitor and control of elevator and control, controller can be connected with central monitor by GPRS communication modes, and by GPS locating module, the locating information of elevator is transferred in central monitor, realize fast, economical, accurately realize telemonitoring and control, the dynamic and intelligent that can carry out effectively to engineering elevator, information-based monitoring, compact conformation, wide accommodation, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Description of reference numerals: 1-sensor group, 2-controller, 3-read-out, 4-upper computer, 5-chopping machine, 6-server, 7-position location satellite, 8-central monitor, 9-communication base station, 10-elevator, 11-net capacity sensor, 12-electric leakage punctures sensor, 13-rack-and-gear gap sensor, 14-state of equilibrium sensor, 15-roller station guide sensor, 16-braking mode sensor, 17-controller switches failure condition sensors, 18-equipment automatically locks sensor, 19-GPS locating module, 20-video speech sensor, 21-cage alignment sensor, 22-communication module and 23-warning device.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Figure 1: in order to locating and monitoring effectively can be carried out to elevator 10, the present invention includes and be installed on elevator 10 and sensor group 1 for detecting the working status parameter of elevator 10, described sensor group 1 is connected with controller 2, controller 2 receiving sensor group 1 detects the working status parameter of input, and carries out display translation by read-out 3; The working status parameter that described sensor group 1 detects can also be wirelessly transmitted in central monitor 8 by controller 2, and central monitor 8 is by the working status parameter of reception and corresponding elevator 10 association store; After central monitor 8 judges described working status parameter analysis, when described mode of operation does not mate with the preset state in central monitor 8, central monitor 8 transmits alerting signal to controller 2, and controller 2 is by warning device 23 output alarm information.
In the embodiment of the present invention, controller 2 is connected with communication module 22, controller 2 passes through communication module 22 with central monitor 8 with GPRS(General Packet Radio Service) mode connecting communication, particularly, communication module 22 by communication base station 9 accessing Internet, thus realizes the wireless connections with central monitor 8.Central monitor 8 can be arranged in the control cabin away from elevator 10, realizes the monitoring to multiple elevator 10 mode of operation.Described warning device 23 can adopt existing sound and light alarm equipment.
Controller 2 is also connected with upper computer 4, described upper computer 4 can adopt industrial computer, controller 2 can adopt PLC(Programmable Logic Controller), the mode of operation that sensor group 1 is detected elevator 10 by controller 2 is transferred in upper computer 4, by upper computer 4, real-time storage is carried out to the mode of operation detected, be convenient to the follow-up inquiry to elevator 10 mode of operation.Upper computer 4 is connected with chopping machine 5, the elevator 10 working status parameter value printout that can will be stored in upper computer 4 by chopping machine 5.Upper computer 4 is also connected with server 6, and server 6 is connected with central monitor 8 by internet, and the working status parameter of reception is delivered in central monitor 8 by server 6 and internet by upper computer 4.In the embodiment of the present invention, central monitor 8 receives the working status parameter of elevator 10 by GPRS and/or internet; For the working status parameter information transmission detecting elevator 10 is provided safety control to central monitor 8.In the embodiment of the present invention, central monitor 8 is also connected with elevator 10, for the mode of operation of the working status parameter Long-distance Control elevator 10 according to detection elevator 10.
Described sensor group 1 comprises net capacity sensor 11, electric leakage punctures sensor 12, rack-and-gear gap sensor 13, state of equilibrium sensor 14, roller station guide sensor 15, braking mode sensor 16, master cock failure sensor 17, equipment automatically lock sensor 18 and cage null pick-up 21.
Wherein, net capacity sensor 11 be the electricity consumption of monitoring elevator 10 whether in normal pressure drop scope, provide pressure drop real time data, send signal warning prompt time overproof, described signal warning body formula comprises indicator lamp flicker or sends the sound.Capacitance sensor 11 can adopt voltage sensor, when the voltage that voltage sensor 11 detects is lower than predeterminated voltage 85%, stops the startup to elevator 10.
Electric leakage punctures sensor 12 and is electric leakage to elevator 10, punctures, transships three major break down condition monitorings; For determining fault category, to onsite application, person sends prompting, also can include the total breakdown analysis of equipment in, failure judgement type.Electric leakage punctures sensor 12 and can adopt RCCB.
Rack-and-gear gap sensor 13 is for the gap length data of Real-Time Monitoring rack-and-gear, and overproof exception occurs can provide prompting (described prompting comprises display and sounding) in time, reminds onsite application person to stop using and rushes to repair.Rack-and-gear gap sensor 13 can adopt opto-electronic pickup, utilizes the gap that the signal detection of opto-electronic pickup obtains between rack-and-gear.
The squareness of state of equilibrium sensor 14 for Real-Time Monitoring guide rail bracket and the levelness data of cage, if overproof abnormal time equilibrium condition when being in danger, can real-time prompting (described prompting comprises display and sounding), remind operator to stop using repairing.Described state of equilibrium sensor 14 adopts obliquity sensor, adopts obliquity sensor to detect the horizontality of cage, realizes the detection of state of equilibrium.
Roller station guide sensor 15 is the condition monitoring for roller, track adjusting wheel and roller, Real-Time Monitoring rolling wheel wear and bearing damage data, and Real-Time Monitoring track adjusting wheel relative standard saves standpipe rack gap data relative to roller, overproofly sends prompting in real time.Roller station guide sensor 15 also can be realized by above-mentioned obliquity sensor.
Braking mode sensor 16 is for monitoring braking mode, and downhill race distance during Real-Time Monitoring braking, overproof, send prompting in real time, guarantee stop mechanism normally runs, brake safe.Braking mode sensor 16 can adopt time relay, and the time adopting time relay to judge to brake and distance, realize the detection of braking mode.
Master cock failure sensor 17, for master cock Failure status monitoring, is monitored in real time and is judged whether switch lost efficacy, and stops or sliding, then send prompting in real time as action.Master cock failure sensor 17 adopts the detection module be connected with master cock, is judged the state of master cock by detection module.
Equipment automatically locks sensor 18 for monitoring equipment AutoLock feature, and equipment can long-rangely lock by Long-distance Control under specific circumstances.At this moment, live operator cannot allow equipment resume operation when not destroying circuit.Remote control center or field staff is only had to unlock to on-the-spot.Equipment automatically locks that sensor 18 adopts can the electronic lock of Long-distance Control.
Cage null pick-up 21 is for monitoring the zero position assurance function of cage, must guarantee during long-range locked elevator that elevator is in zero-bit (nadir), on cage, set travel switch for this reason, when cage drops to zero-bit and nadir, judge whether cage is in zero-bit by travel switch.Cage null pick-up 21 can adopt obliquity sensor equally, realizes the detection to cage zero-bit by obliquity sensor.
Sensor group 1 also comprises GPS(Global Positioning System) locating module 19, by coordinating of GPS locating module 19 and position location satellite 7, realize positioning the erection work position of elevator 10.The locating information of elevator 10 and work state information can be transferred in central monitor 8 by communication module 22 and/or upper computer 4 by controller 2, association store and management is carried out by the work state information of central monitor 8 to described locating information and elevator 10, locating information can also be carried out GIS(Geographic Information System by central monitor 8) map denotation, after the working status parameter of elevator 10 is analyzed, by the position of the unmatched elevator 10 of display working condition in GIS map, be convenient to field staff's Timeliness coverage, elevator 10 is avoided to occur Peril Incident.
Described GPS locating module 19 can be installed on the concealed location of elevator 10, and the position of the elevator 10 of sale is guaranteed constantly, and this equipment is in the monitoring range of remote control center.
Sensor group 1 also comprises video speech sensor 20, can realize video and speech monitoring function by video speech sensor 20; Remote monitor 8 can carry out video or speech exchange with the scene of elevator 10 by video speech sensor 20.In the specific implementation, central monitor 8, in conjunction with GPS positioning function, makes monitor staff can link up elevator running condition at any time by audio frequency, video mode, and to live operator's real-time instruction, can solve failure problems in time, realizes the object of remote monitor and control.
SQL Serer 2008 database system is set in central monitor 8, central monitor 8 carries out association store and management by data system to the working status parameter of each elevator 10 and GPS locating information, meanwhile, in central monitor 8, rights management, login management and basic information management and engineering information management are set.Central monitor 8 is according to the storage data in database system, failure reason analysis can be carried out for the data of corresponding elevator 10, failure trend prediction, simultaneously, central monitor 8 can make failure report to the fault of each elevator 10, the fault occurred for elevator 10 is put on record, putting maintenance into practice plan and user management.
As shown in Figure 1: during use, after elevator 10 is sold and installed, be transferred in central monitor 8 according to GPS locating module 19 by the locating information of elevator 10, the position of central monitor 8 to each elevator 10 stores, and can show.The mode of operation of elevator 10 is transferred in controller 2 by sensor group 1, controller 2 is by read-out 3 display translation, to the picture display that field staff provides elevator 10 to work, working status parameter also can be transferred in upper computer 4 and central controller 8 by controller 2, realize the store management in upper computer 4 and central monitor 8, the working status parameter printout of upper computer 4 pairs of elevators 10, central monitor 8 realizes monitoring and the control of the long-range mode of operation to elevator 10, guarantees that elevator 10 works in a safe condition.
The present invention detects the mode of operation of elevator 10 by sensor group 1, controller 2 and upper computer 4 coordinate the monitoring and management realizing elevator 10 being carried out to field activity, central monitor 8 realizes remote monitor and control to elevator 10 and control, controller 2 can be connected with central monitor 8 by GPRS communication modes, and by GPS locating module 19, the locating information of elevator 10 is transferred in central monitor 8, realize fast, economical, accurately realize telemonitoring and control, the dynamic and intelligent that can carry out effectively to engineering elevator, information-based monitoring, compact conformation, wide accommodation, safe and reliable.
Claims (3)
1. an engineering elevator long range positioning monitored control system, it is characterized in that: comprise and be installed on the upper and sensor group (1) for detecting the working status parameter of elevator (10) of elevator (10), described sensor group (1) is connected with controller (2), controller (2) receiving sensor group (1) detects the working status parameter of input, and carries out display translation by read-out (3); The working status parameter that described sensor group (1) is detected can also be wirelessly transmitted in central monitor (8) by controller (2), and central monitor (8) is by the working status parameter of reception and corresponding elevator (10) association store; After central monitor (8) judges described working status parameter analysis, when described mode of operation does not mate with the preset state in central monitor (8), central monitor (8) is to controller (2) transmission alerting signal, and controller (2) is by warning device (23) output alarm information;
Described controller (2) is connected in GPRS mode with central monitor (8) by communication module (22);
Described controller (2) is connected with upper computer (4), and the working status parameter of elevator (10) is transferred in upper computer (4) by controller (2), and upper computer (4) stores the working status parameter received;
Described upper computer (4) is connected with chopping machine (5), the working status parameter that upper computer (4) is stored by chopping machine (5) printout;
Described upper computer (4) is connected with server (6), and server (6) is interconnected by internet and central monitor (8);
Described sensor group (1) comprises net capacity sensor (11), electric leakage punctures sensor (12), rack-and-gear gap sensor (13), state of equilibrium sensor (14), roller station guide sensor (15), braking mode sensor (16), master cock failure sensor (17), equipment automatically lock sensor (18) and cage null pick-up (21);
Described sensor group (1) comprises GPS locating module (19), locating information is transferred in controller (2) by described GPS locating module (19), the locating information receiving elevator (10) is transferred in central monitor (8) by controller (2), and central monitor (8) is by the locating information of elevator (10) and working status parameter association store.
2. engineering elevator long range positioning monitored control system according to claim 1, is characterized in that: described controller (2) comprises PLC.
3. engineering elevator long range positioning monitored control system according to claim 1, it is characterized in that: described sensor group (1) comprises video speech sensor (20), controller (2) carries out voice and video transmission by video speech sensor (20) and central controller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210557010.6A CN103010885B (en) | 2012-12-20 | 2012-12-20 | Long-range positioning and monitoring system for engineering elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210557010.6A CN103010885B (en) | 2012-12-20 | 2012-12-20 | Long-range positioning and monitoring system for engineering elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103010885A CN103010885A (en) | 2013-04-03 |
| CN103010885B true CN103010885B (en) | 2015-06-03 |
Family
ID=47960077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210557010.6A Expired - Fee Related CN103010885B (en) | 2012-12-20 | 2012-12-20 | Long-range positioning and monitoring system for engineering elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103010885B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979377B (en) * | 2014-05-21 | 2016-05-18 | 上海市特种设备监督检验技术研究院 | Real-time monitoring system based on Quick Response Code car elevator and method for supervising thereof |
| CN104181419B (en) * | 2014-08-19 | 2017-08-22 | 中华人民共和国无锡出入境检验检疫局 | Electric tool long duration test intelligent monitor system and durability test apparatus |
| CN104634291B (en) * | 2014-12-29 | 2017-09-29 | 中联重科股份有限公司 | The assembling detection device and assembly and detection method of guide rail bracket |
| CN104570910B (en) * | 2014-12-29 | 2018-10-26 | 宁波三博电子科技有限公司 | A kind of intelligent plc communication system |
| CN105049960A (en) * | 2015-06-17 | 2015-11-11 | 中山市默拜尔网络科技有限公司 | Elevating type communication equipment support device |
| CN104932383B (en) * | 2015-06-24 | 2019-04-02 | 湖北精功科技有限公司 | Underground lifting type compression garbage station managing and control system and control method |
| CN105511392A (en) * | 2015-12-31 | 2016-04-20 | 广州洋钒电子科技有限公司 | PLC control system used for industrial automation |
| CN105565100B (en) * | 2016-02-05 | 2018-10-09 | 溧阳市天目湖中等专业学校 | A kind of elevator safety real-time inspection and control system and its control method |
| CN105759697A (en) * | 2016-04-29 | 2016-07-13 | 沈阳仪表科学研究院有限公司 | Informatization monitoring management system for elevator |
| CN106335825B (en) * | 2016-11-18 | 2018-11-06 | 甘肃艾唯达电子科技有限公司 | Elevator operation intelligent monitor system |
| CN108217375A (en) * | 2016-12-22 | 2018-06-29 | 天津超音科技有限公司 | Elevator safety monitoring system based on PLC |
| CN106586749A (en) * | 2016-12-27 | 2017-04-26 | 南通理工学院 | Intelligent monitoring system applied to elevator |
| CN107265234A (en) * | 2017-07-26 | 2017-10-20 | 江苏意迪驱动设备有限公司 | A kind of full light monitoring method for elevator safety |
| CN110134058B (en) * | 2019-05-16 | 2021-02-02 | 深圳市捷赛机电有限公司 | Boarding bridge test operation detection system and method |
| CN113104315A (en) * | 2021-03-19 | 2021-07-13 | 江苏大隆凯科技有限公司 | Remote supervisory system of resource recycling processing equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201154861Y (en) * | 2007-11-16 | 2008-11-26 | 广州市京龙工程机械有限公司 | Elevator gear |
| EP2028152A1 (en) * | 2007-08-23 | 2009-02-25 | EDW.C. Levy CO | Method and apparatus for providing diagnostics of a lifting magnet system |
| CN202054505U (en) * | 2011-01-27 | 2011-11-30 | 苏州默纳克控制技术有限公司 | Community elevator monitor system |
| CN102556790A (en) * | 2011-09-22 | 2012-07-11 | 上海微频莱机电科技有限公司 | Remote monitoring system for lifters |
| CN202414916U (en) * | 2011-11-01 | 2012-09-05 | 大连科信起重电器有限公司 | Intelligent early warning system for construction hoister |
| CN203006657U (en) * | 2012-12-20 | 2013-06-19 | 无锡久一重工机械有限公司 | Remote locating monitoring system of engineering lift |
-
2012
- 2012-12-20 CN CN201210557010.6A patent/CN103010885B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2028152A1 (en) * | 2007-08-23 | 2009-02-25 | EDW.C. Levy CO | Method and apparatus for providing diagnostics of a lifting magnet system |
| CN201154861Y (en) * | 2007-11-16 | 2008-11-26 | 广州市京龙工程机械有限公司 | Elevator gear |
| CN202054505U (en) * | 2011-01-27 | 2011-11-30 | 苏州默纳克控制技术有限公司 | Community elevator monitor system |
| CN102556790A (en) * | 2011-09-22 | 2012-07-11 | 上海微频莱机电科技有限公司 | Remote monitoring system for lifters |
| CN202414916U (en) * | 2011-11-01 | 2012-09-05 | 大连科信起重电器有限公司 | Intelligent early warning system for construction hoister |
| CN203006657U (en) * | 2012-12-20 | 2013-06-19 | 无锡久一重工机械有限公司 | Remote locating monitoring system of engineering lift |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103010885A (en) | 2013-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103010885B (en) | Long-range positioning and monitoring system for engineering elevator | |
| CN204280939U (en) | A kind of elevator operational monitoring forewarn system | |
| CN203006657U (en) | Remote locating monitoring system of engineering lift | |
| CN103761776B (en) | The monitoring of a kind of highway weight metering charging equipment working state and maintenance system and method | |
| CN111562096B (en) | Real-time online health state monitoring system of escalator | |
| CN108792871A (en) | A kind of intelligent elevator monitoring system based on Internet of Things big data | |
| CN102750752A (en) | Power tunnel comprehensive environment automatic tour inspection system | |
| CN103661502B (en) | Railway crossing automatic monitoring and control system | |
| CN104729587A (en) | Large electric power material transportation monitoring system and method | |
| CN105785946B (en) | Computer room ring control integration monitors platform | |
| CN109146331A (en) | A kind of contaminated site repair intelligence control platform based on technology of Internet of things | |
| CN112327729A (en) | Underground cable monitoring system | |
| CN113277396B (en) | Elevator health state monitoring method, device and early warning system | |
| CN208760641U (en) | A kind of skate and its High Precision Monitor system | |
| CN206363539U (en) | Traffic signal light fault early warning system | |
| CN109489630A (en) | A kind of means of transportation real-time monitoring system | |
| CN110844732A (en) | Intelligent monitoring management system for elevator fault testing | |
| CN105898860A (en) | Downhole person location rescue system | |
| CN111424723A (en) | Intelligent well lid supervision system and supervision method thereof | |
| CN105277173A (en) | Device for detecting bridge oblique displacement | |
| CN213058700U (en) | Intelligent temperature control system of three-dimensional storage stacker | |
| Keqiang et al. | Development and application of the rail-type inspection robot used in substation rooms | |
| CN209085603U (en) | Means of transportation real-time monitoring system | |
| TWM618685U (en) | Smart train protection system in wireless transmission | |
| CN203128080U (en) | Tower crane safety monitoring equipment based on Beidou system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20151220 |