CN107202569A - One kind detection, monitoring railway communication steel tower system - Google Patents
One kind detection, monitoring railway communication steel tower system Download PDFInfo
- Publication number
- CN107202569A CN107202569A CN201710363703.4A CN201710363703A CN107202569A CN 107202569 A CN107202569 A CN 107202569A CN 201710363703 A CN201710363703 A CN 201710363703A CN 107202569 A CN107202569 A CN 107202569A
- Authority
- CN
- China
- Prior art keywords
- monitoring
- communication
- data
- steel tower
- display
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Alarm Systems (AREA)
Abstract
One kind detection, monitoring railway communication steel tower system, including steel tower detecting system, central processing system and monitoring and display system；The collection of data is carried out by steel tower detecting system, the storage of data is carried out by central processing system, analyzes and compares, warning device is moved towards or triggers in monitoring and display system display data, by wireless connection technology, real-time online reported data, the problems such as avoiding information delay and the inaccurate testing result of manual inspection, can make the problem of staff has found and solves corresponding in time.
Description
Technical field
The present invention relates to the communications field, particularly a kind of detection, monitoring railway communication steel tower system.
Background technology
Nowadays, developing rapidly with railway cause, corresponding infrastructure is also more and more, in Railroad Communication System
In, the importance of wireless communication system is self-evident, and communication iron tower is the facility for carrying wireless communication system antenna, is wireless
The important component of communication system.Railway communication steel tower is directly affected as important communication auxiliary equipment, its working condition
The communication quality of railway communication network.
However, different from general communication equipment, communication iron tower can not be installed in communications equipment room, but installed outdoors
Communications facility, and it is large number of, and close apart from railway line, its safety and stability not only influences the quality of radio communication,
Whether safe it is also relate to train operation.Railway communication steel tower is mainly distributed on along the high ferro of field, because wild environment is severe,
For a long time lack timely and effectively monitor and manage, often due to high wind, crustal movement, harsh weather, aging oxidation etc. because
Element, certain potential safety hazard is brought to steel tower, is even resulted in Iron tower incline, is settled, collapses.
The current railway of maintenance on to(for) communication iron tower is carried out by the timing of the instrument such as theodolite by the way of
Manual patrol checks that this mode has disadvantages that, not only occupies substantial amounts of manpower, and observation cycle is longer can not be real-time
No matter monitoring, artificially observed using any optical instrument, and all steel tower can not be carried out to detect comprehensively and in real time.
Therefore, recover to get up not only to need to spend substantial amounts of man power and material, but also there are still inspection is inaccurate, no
In time situations such as.Accordingly, it would be desirable to carry out safety detection and monitoring to communication iron tower, so as to can be timely when steel tower is dangerous
Safeguarded.
The content of the invention
Safety detection can be carried out to railway communication steel tower it is an object of the invention to provide one kind and can be supervised in real time
The system of control, with solve it is above-mentioned can not to steel tower carry out in real time detection and inspection not in time the problem of.
In order to realize the above object the technical solution adopted by the present invention is：One kind detection, monitoring railway communication steel tower system
Including steel tower detecting system, central processing system and monitoring and display system；
The steel tower detecting system is by inclination sensor, settlement sensor, burglar alarm monitoring system and data acquisition unit
Composition, the inclination sensor, settlement sensor, burglar alarm monitoring system pass through CAN and the data acquisition respectively
Device is connected, and the inclination sensor is arranged on communication iron tower tower body, and the settlement sensor is arranged on communication iron tower bottom of towe
On pedestal, the burglar alarm detecting system is arranged on tower body or on tower top；
The central processing system includes management server and communication equipment, and the management server is by data storage mould
Block, data analysis module, data comparison module and fault alarm module composition；The communication equipment uses wire communication facility,
Main composition has router, the communication server and interchanger, and the router is connected with the communication server, the communication clothes
Business device is connected by the interchanger with the monitoring and display system；
The monitoring and display system includes display and accident warning device, and the display is provided with PC ends and mobile phone terminal,
The management platform and mobile phone terminal APP mobile terminals at the PC ends are connected with the central processing system by wireless network；It is described
Accident warning device includes LED and buzzer.
As a preferred embodiment, the anti-theft monitoring system includes high-definition night-viewing camera and video analyzer；
As a preferred embodiment, the data acquisition unit is by single-chip microcomputer, gradient processing module, settlement treatment module, video
Processing module and power-supply device composition.
As a preferred embodiment, the data acquisition unit is connected by communication network with the central processing system, it is described in
Centre processing system is communicated by the communication equipment with the monitoring and display system.
As a preferred embodiment, the monitoring and display system uses intelligent monitor system, at the powerful data of computer
Reason technology quick and precisely judges the situation of monitoring steel tower data, is real-time transmitted to the display and the accident warning device.
By using such scheme, beneficial effects of the present invention are as follows：One kind detection, monitoring railway communication steel tower system,
By the more design of intelligence comprehensively, the problems such as solving information delay and the inaccurate testing result of manual inspection, wherein, prison
Control display system and use intelligent monitor system automatic identification different pieces of information, can be with real-time online reported data, and running into event
Accident warning device can be opened during barrier data, buzzer sounds while LED is lighted at that time, staff can be made timely
It was found that and solve problem, it is more convenient that communication iron tower is detected.
Present invention reception steel tower information simple in construction, more convenient, can also achieve the goal even if unattended, be worth
Obtain and further promote the use of.
Brief description of the drawings
Fig. 1 is a kind of connection diagram for detecting, monitoring railway communication steel tower system；
In figure：1- steel tower detecting systems, 2- central processing systems, 3- monitoring and display systems.
Embodiment
As shown in figure 1, the present invention includes steel tower detecting system, central processing system and monitoring and display system.
Steel tower detecting system includes inclination sensor, settlement sensor and data acquisition unit；
Wherein, inclination sensor uses double-shaft tilt angle sensor, and sensor can be added in the vibration of either direction obliquity
It is high with sensitivity to detect, wide application and it is reasonable in design, safe and reliable the advantages of, difference that can be according to circumstances sets two
Individual or two or more slant angle sensor is on steel tower tower body, and particular location can according to circumstances choose scheme the most rational；
Similarly, difference that also can be according to circumstances installs two or more settlement sensors on the pedestal of bottom of towe,
Particular location equally can be according to circumstances it is different choose schemes the most rational, measured using remote non-contact optoelectronic transformation approach
Sedimentation, system can set the sampling interval, can use R485 or wirelessly transmitting data, be more suitable for the unmanned value of exposure outside
The steel tower kept, the sensor bulk is compact, reduces the skill set requirements to operator, operates very easy, time-saving and efficiency.
Burglar alarm detecting system includes high-definition night-viewing camera and video analyzer, and high-definition night-viewing camera is using polygonal
The integrated infrared lamp of array is spent, the efficiency of infrared lamp is high, irradiation distance is more than 100 meters, and night, which can also understand, effectively to be gathered
Image, and using light source constant current driving, can be monitored in real time round-the-clockly, using EEPROM data storage methods, with disconnected
Electric reminiscence function, will not produce the situation of loss of data.The system can monitor the field condition of steel tower position, real
Now the safety to key area around steel tower is deployed to ensure effective monitoring and control of illegal activities, and analysis invades the object of steel tower gauge to communication iron tower while monitoring in real time
Influence produced by work.Equally the burglar alarm detecting system can be arranged on tower top or tower body as needed.
Data acquisition unit mainly constituted single-chip microcomputer, gradient processing module, settlement treatment module, video processing module and
Power-supply device, single-chip microcomputer is realized by processor CPU, data storage RAM, input/output port I/O and serial communication port SCI
The collection of data, the function of storage and transmission；Inclination sensor, settlement sensor, burglar alarm detecting system pass through CAN respectively
Bus is connected with data acquisition unit.Data acquisition unit is connected by communication network with central processing system, and central processing system is led to
Communication equipment is crossed to be communicated with monitoring and display system, being capable of real-time online reported data, acquisition communication iron tower promptly and accurately
Situation.
Central processing system includes management server and communication equipment, and management server is by data memory module, data ratio
Compared with module, data analysis module and fault alarm module composition, data memory module by the normal data scope of communication iron tower and
The data monitored in real time are stored, the data feedback monitored in real time to data comparison module, data comparison module and the iron that communicates
The normal data of tower is compared, and by data feedback to data analysis module, data analysis module is analyzed using computer data
Technology, the function of being analyzed according to data content analyzes the places different from predefined data in database, and system can be passed automatically
It is defeated by monitoring and display system, it is not necessary to which whether normal the data for staring at display always are, more facilitates, reduce manpower and materials
Utilization.
Communication equipment has mainly constituted router, the communication server and interchanger, is connected each other by cable, at any time
The communication data of steel tower is monitored everywhere；Router is connected with the communication server, and the communication server passes through interchanger and monitoring display
System is connected, and communication equipment uses wire communication facility, and anti-interference is stronger, and stability is higher, and transmission rate is fast, bandwidth
Can be infinitely great.
Monitoring and display system uses mobile video intelligent monitor system, including display and accident warning device, the intelligence
Monitoring system is integrated with monitoring mobile phone and computer monitor two big systems of alarm, and display is provided with PC ends and mobile phone terminal, the pipe at PC ends
Platform and mobile phone terminal APP mobile terminals are connected with central processing system by wireless network, by central processing system analysis pair
Data than after are shown, chart or line chart, explanatory note are generated in real time；Accident warning device uses LED and buzzing
Two kinds of equipment of device, useless or interference information, the different numbers of automatic identification are filtered out by the powerful data-handling capacity of computer
According to fast and accurately the location data scene of the accident, judges the abnormal conditions of monitoring steel tower data, when the data received have different
Often, accident warning device can send alarm and open LED the very first time, meanwhile, system host can be with most fast speed to finger
Determine user and send short message or Email, long-distance user receives can be by Internet-enabled cell phone checking monitoring area data after alert information
Situation, allow staff to find the exception of communication iron tower in time, inspection and maintenance carried out in time, so as to effectively carry out in advance pre-
It is alert, handled in thing, full-automatic, round-the-clock, the intelligence system that monitors in real time collected evidence in time afterwards.
The present invention it is powerful, it is easy to use, can it is round-the-clock it is real-time detection and monitoring communication iron tower, it is not necessary to waste
A large amount of manpower and materials, it is more intelligent.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (5)
1. one kind detection, monitoring railway communication steel tower system, it is characterised in that：Including steel tower detecting system, central processing system
And monitoring and display system；
The steel tower detecting system is made up of inclination sensor, settlement sensor, burglar alarm monitoring system and data acquisition unit,
The inclination sensor, settlement sensor, burglar alarm monitoring system are connected by CAN with the data acquisition unit respectively
Connect, the inclination sensor is arranged on communication iron tower tower body, the settlement sensor is arranged on the pedestal of communication iron tower bottom of towe,
The burglar alarm detecting system is arranged on tower body or on tower top；
The central processing system includes management server and communication equipment, and the management server is by data memory module, number
According to analysis module, data comparison module and fault alarm module composition；The communication equipment uses wire communication facility, main group
Into having router, the communication server and interchanger, the router is connected with the communication server, and the communication server leads to
The interchanger is crossed to be connected with the monitoring and display system；
The monitoring and display system includes display and accident warning device, and the display is provided with PC ends and mobile phone terminal, described
The management platform and mobile phone terminal APP mobile terminals at PC ends are connected with the central processing system by wireless network；The failure
Warning device includes LED and buzzer.
2. a kind of detection according to claim 1, monitoring railway communication steel tower system, it is characterised in that：The antitheft prison
Examining system includes high-definition night-viewing camera and video analyzer.
3. a kind of detection according to claim 1, monitoring railway communication steel tower system, it is characterised in that：The data are adopted
Storage is made up of single-chip microcomputer, gradient processing module, settlement treatment module, video processing module and power-supply device.
4. a kind of detection according to claim 1, monitoring railway communication steel tower system, it is characterised in that：The data are adopted
Storage is connected by communication network with the central processing system, and the central processing system passes through communication equipment and monitoring display
System is communicated.
5. a kind of detection according to claim 1, monitoring railway communication steel tower system, it is characterised in that：The monitoring is aobvious
Show that system uses intelligent monitor system, quick and precisely judge to monitor the data of steel tower by the powerful data processing technique of computer
Situation, is real-time transmitted to the display and the accident warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363703.4A CN107202569A (en) | 2017-05-22 | 2017-05-22 | One kind detection, monitoring railway communication steel tower system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363703.4A CN107202569A (en) | 2017-05-22 | 2017-05-22 | One kind detection, monitoring railway communication steel tower system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107202569A true CN107202569A (en) | 2017-09-26 |
Family
ID=59906405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710363703.4A Pending CN107202569A (en) | 2017-05-22 | 2017-05-22 | One kind detection, monitoring railway communication steel tower system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107202569A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917737A (en) * | 2017-12-25 | 2018-04-17 | 江苏融宝达新能源科技有限公司 | Blower fan pylon structures slope and foundation structure on-line monitoring system |
| CN107941197A (en) * | 2017-11-20 | 2018-04-20 | 重庆交通职业学院 | System is monitored and controlled in layer distributed remote rail subgrade settlement deformation in real time |
| CN108401257A (en) * | 2018-03-06 | 2018-08-14 | 北京全路通信信号研究设计院集团有限公司 | A kind of railway base station Integrated Monitoring System |
| CN109612433A (en) * | 2018-11-16 | 2019-04-12 | 凯睿隆誉(成都)科技有限公司 | Iron tower incline monitoring method and system based on black light |
| CN109889988A (en) * | 2017-12-06 | 2019-06-14 | 北京亿阳信通科技有限公司 | Method and apparatus based on subway scene communications records analysis Network status |
| CN110009888A (en) * | 2019-03-01 | 2019-07-12 | 广州市泺立能源科技有限公司 | A kind of data processing method |
| CN110794740A (en) * | 2019-11-15 | 2020-02-14 | 国网安徽省电力有限公司安庆供电公司 | On-site monitoring equipment of electric power iron tower based on thing networking |
| CN112422791A (en) * | 2020-11-08 | 2021-02-26 | 泰州物族信息科技有限公司 | Tele photography triggering system based on preview data analysis |
| CN113566788A (en) * | 2021-08-30 | 2021-10-29 | 四川公众项目咨询管理有限公司 | Stability monitoring method and system for communication tower |
| CN115037773A (en) * | 2022-07-28 | 2022-09-09 | 中兴(温州)轨道通讯技术有限公司 | Rail transit communication system with stable transmission |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102170321A (en) * | 2011-04-20 | 2011-08-31 | 李英祥 | Parameter monitor of base station antenna and automatic monitoring method |
| CN102323589A (en) * | 2010-10-18 | 2012-01-18 | 航天科工深圳（集团）有限公司 | A kind of path monitoring and early warning system |
| CN103065403A (en) * | 2012-12-14 | 2013-04-24 | 史文正 | Anti-theft monitoring device of high voltage transmission line iron tower |
| CN203084848U (en) * | 2012-12-12 | 2013-07-24 | 上海科能电气科技有限公司 | Tower antitheft monitoring system |
| CN203148460U (en) * | 2012-12-24 | 2013-08-21 | 上海辉格科技发展有限公司 | Iron tower monitoring system |
| CN203323790U (en) * | 2013-05-22 | 2013-12-04 | 上海辉顿导航技术有限公司 | Sensor collection control system |
| CN203931032U (en) * | 2014-06-27 | 2014-11-05 | 北京农众物联科技有限公司 | Audible-visual annunciator |
| CN205156956U (en) * | 2015-11-09 | 2016-04-13 | 北京华铁瑞通技术有限公司 | Railway communication iron tower safety detection system |
| CN205918206U (en) * | 2016-07-14 | 2017-02-01 | 衡水圣亚钢结构有限公司 | Communication tower safety monitoring system |
-
2017
- 2017-05-22 CN CN201710363703.4A patent/CN107202569A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323589A (en) * | 2010-10-18 | 2012-01-18 | 航天科工深圳（集团）有限公司 | A kind of path monitoring and early warning system |
| CN102170321A (en) * | 2011-04-20 | 2011-08-31 | 李英祥 | Parameter monitor of base station antenna and automatic monitoring method |
| CN203084848U (en) * | 2012-12-12 | 2013-07-24 | 上海科能电气科技有限公司 | Tower antitheft monitoring system |
| CN103065403A (en) * | 2012-12-14 | 2013-04-24 | 史文正 | Anti-theft monitoring device of high voltage transmission line iron tower |
| CN203148460U (en) * | 2012-12-24 | 2013-08-21 | 上海辉格科技发展有限公司 | Iron tower monitoring system |
| CN203323790U (en) * | 2013-05-22 | 2013-12-04 | 上海辉顿导航技术有限公司 | Sensor collection control system |
| CN203931032U (en) * | 2014-06-27 | 2014-11-05 | 北京农众物联科技有限公司 | Audible-visual annunciator |
| CN205156956U (en) * | 2015-11-09 | 2016-04-13 | 北京华铁瑞通技术有限公司 | Railway communication iron tower safety detection system |
| CN205918206U (en) * | 2016-07-14 | 2017-02-01 | 衡水圣亚钢结构有限公司 | Communication tower safety monitoring system |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941197A (en) * | 2017-11-20 | 2018-04-20 | 重庆交通职业学院 | System is monitored and controlled in layer distributed remote rail subgrade settlement deformation in real time |
| CN109889988B (en) * | 2017-12-06 | 2022-05-24 | 北京亿阳信通科技有限公司 | Method and device for analyzing network condition based on subway scene communication record |
| CN109889988A (en) * | 2017-12-06 | 2019-06-14 | 北京亿阳信通科技有限公司 | Method and apparatus based on subway scene communications records analysis Network status |
| CN107917737A (en) * | 2017-12-25 | 2018-04-17 | 江苏融宝达新能源科技有限公司 | Blower fan pylon structures slope and foundation structure on-line monitoring system |
| CN108401257A (en) * | 2018-03-06 | 2018-08-14 | 北京全路通信信号研究设计院集团有限公司 | A kind of railway base station Integrated Monitoring System |
| CN108401257B (en) * | 2018-03-06 | 2021-01-22 | 北京全路通信信号研究设计院集团有限公司 | Railway base station integrated monitoring system |
| CN109612433A (en) * | 2018-11-16 | 2019-04-12 | 凯睿隆誉(成都)科技有限公司 | Iron tower incline monitoring method and system based on black light |
| CN109612433B (en) * | 2018-11-16 | 2020-09-04 | 凯睿隆誉(成都)科技有限公司 | Iron tower inclination monitoring method and system based on invisible light |
| CN110009888A (en) * | 2019-03-01 | 2019-07-12 | 广州市泺立能源科技有限公司 | A kind of data processing method |
| CN110794740A (en) * | 2019-11-15 | 2020-02-14 | 国网安徽省电力有限公司安庆供电公司 | On-site monitoring equipment of electric power iron tower based on thing networking |
| CN112422791B (en) * | 2020-11-08 | 2021-12-24 | 北京诚品快拍物联网科技股份有限公司 | Tele photography triggering system based on preview data analysis |
| CN112422791A (en) * | 2020-11-08 | 2021-02-26 | 泰州物族信息科技有限公司 | Tele photography triggering system based on preview data analysis |
| CN113566788A (en) * | 2021-08-30 | 2021-10-29 | 四川公众项目咨询管理有限公司 | Stability monitoring method and system for communication tower |
| CN115037773A (en) * | 2022-07-28 | 2022-09-09 | 中兴(温州)轨道通讯技术有限公司 | Rail transit communication system with stable transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107202569A (en) | One kind detection, monitoring railway communication steel tower system | |
| CN108214554B (en) | Self-checking system for intelligent track traffic inspection robot | |
| CN104167067A (en) | Monitoring alarm system for city well covers and rails and monitoring method thereof | |
| CN105897925A (en) | Mobile remote electric power monitoring system based on 4G network and monitoring method | |
| CN103217950A (en) | Automatic long-distance diagnosis system for public security outdoor electronic equipment failure | |
| CN103274303B (en) | Control method for hoisting machinery safety monitoring and management system | |
| CN101086801A (en) | Remote wireless monitoring system | |
| CN110057515A (en) | A kind of Bridge Defect Detecting system and method based on deep learning | |
| CN202662113U (en) | Substation anti-misoperation system | |
| CN104459447A (en) | Intelligent multifunctional cable line fault online monitoring system | |
| CN109084673A (en) | A kind of power transmission line sag monitoring system and its monitoring method based on arc sag extreme lower position electric field intensity measuremenrt | |
| CN110844732A (en) | Intelligent monitoring management system for elevator fault testing | |
| CN104326360B (en) | High pedestal jib crane holographic measuring method | |
| CN107657682A (en) | A kind of power transformation method for inspecting based on augmented reality | |
| CN106097666A (en) | A kind of Chemical Manufacture distributed monitoring system based on GPRS network | |
| CN202470995U (en) | High-voltage wire construction safety intelligent monitoring device | |
| CN204066289U (en) | City manhole cover, railing monitoring and alarming system | |
| CN203660665U (en) | Equipment running state real-time monitoring system for electric power switching station | |
| CN202704752U (en) | Elevator overload detection system | |
| CN105988444A (en) | Iron tower remote control monitoring system | |
| CN205662182U (en) | Monitoring of elevator overspeed governor, fast measuring device of action | |
| CN104483600A (en) | Fault detector for intelligent on-line fault monitoring system of cable line | |
| CN208500189U (en) | A kind of tower crane intelligent fault detection means and system | |
| CN203224964U (en) | Non-implanted snap-type cable anti-theft alarm mechanism | |
| CN106384477B (en) | Tower crane typhoon protection monitors system and monitoring method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170926 |