CN205348126U - Quick -witted safety monitoring management system of door - Google Patents
Quick -witted safety monitoring management system of door Download PDFInfo
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- CN205348126U CN205348126U CN201620032681.4U CN201620032681U CN205348126U CN 205348126 U CN205348126 U CN 205348126U CN 201620032681 U CN201620032681 U CN 201620032681U CN 205348126 U CN205348126 U CN 205348126U
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Abstract
The utility model provides a quick -witted safety monitoring management system of door, is including being used for a machine to grab the weighing transducer of roof beam weight signal detection for the door machine is grabbed the roof beam and is examined the displacement sensor that the round pin detected, is used for a machine to grab roof beam height detection's height sensor, is used for ambient wind velocity real -time detection's air velocity transducer, is used for the crash sensor that prevents of cart walking safe distance detection, the types of facial makeup in beijing operas sensor that is used for the driver to take appointment with certificate and detect, weighing transducer, displacement sensor, height sensor, air velocity transducer, prevent that crash sensor, types of facial makeup in beijing operas sensor connect safety control system host computer, alarm, controller, industrial computer are connected to safety control system host computer, stress and strain monitor sensor connects stress and strain and gathers the appearance, and stress and strain gathers the appearance and connects the industrial computer. The utility model relates to a quick -witted safety monitoring management system of door can make complete analytical judgement to the equipment trouble forming process, provides the scientific basis for improving device management.
Description
Technical field
This utility model relates to the sluice gate regulation field of dam, specifically a kind of door machine security monitoring management system.
Background technology
The dam majority dam in China Water power station is equipped with Transformation Plan of Gantry Crane, its Main Function is responsible for big above and below the dam gate is opened or closed, the mode that gate is opened or closed is the grasping beam (suspender) by door machine, gate promoted or declines, during lifting, opening closed shutter when gate, decline.When upstream, river rains in torrents, it is necessary to gate confidential can be opened flood discharge by command gate in time that adjust according to water during flood discharge；When needing water-retention according to water adjust command gate confidential can rapidly by closing gate；Otherwise, it is necessary to if Shi Menji opened by gate, the gate that is out of order is not opened, and flood just has the possibility on unrestrained dam, it is possible to cause immeasurable loss can to country and the people's lives and property；If door machine fault gate closes incessantly when needing closed shutter, river is possible to pour off in vain, causes serious economic loss to electricity power enterprise, thus the reliably working of door machine it is critical that.
The weight of the gate of dam generally has hundreds of ton, the crossbeam of door machine to be the crucial steel constructions that gate lifting carries, and when gate is opened or closed, active force is general all on the crossbeam of door machine.But a lot of year has all been run in the many power stations of China, at least decades at most more than ten years, along with the increase of length of service, large load operation, portal construction subjected to the Circulation of high cyclic stress.The steel construction mechanical fatigue state of crossbeam how, either with or without occurring plastic deformation to have no way of finding out about it.If the steel construction of crossbeam has occurred and that plastic deformation, it is necessary to set early warning value and carry out early warning in time；Otherwise gate is promoting or is occurring suddenly surrender fracture to be possible to serious accident in decline process.Time serious, in some instances it may even be possible to bring loss difficult to the appraisal, the therefore safety management system of Transformation Plan of Gantry Crane, in the urgent need to there being portal construction mechanical stress real time on-line monitoring warning function.
Summary of the invention
For solving above-mentioned technical problem, this utility model provides a kind of door machine security monitoring management system, and various information can be stored in industrial computer, it can be retrieved for management personnel, maintainer, inquire about；Equipment fault forming process can being made complete analysis judge, in order to improve equipment, management provides scientific basis.
This utility model be the technical scheme is that
A kind of door machine security monitoring management system, including:
For the weight sensor of door machine grasping beam weight signal detection,
The displacement transducer of pin detection is worn for the inspection of door machine grasping beam,
For the height sensor of door machine grasping beam height detection,
For the air velocity transducer that ambient wind velocity detects in real time,
For the anticollision sensor of large vehicle walking safe distance detection,
For driver take appointment with certificate detection types of facial makeup in Beijing operas sensor,
Described weight sensor, displacement transducer, height sensor, air velocity transducer, anticollision sensor, types of facial makeup in Beijing operas sensor attachment security management system host, described safety management system main frame connects alarm, controller, industrial computer；
Ess-strain monitoring sensor connects ess-strain Acquisition Instrument, and ess-strain Acquisition Instrument connects industrial computer.
Described safety management system main frame connects data radio station, and communication information is delivered to remote management platform by data radio station.
Also include gps satellite base station, GPS mobile collection calculates board, satellite positioning antennas, gps satellite base station is arranged on ground, and gps satellite base station is connected with gps antenna, data radio station, data radio station passes antenna with number and is connected, and gps antenna sum passes antenna and is arranged on outdoor spacious roof.
Described GPS portable antenna is arranged on the little roof of a machine, just on the roof of grasping beam 1/2 intermediate point, for providing be accurately positioned for door machine, grasping beam；GPS number passes antenna and is arranged on outside a guard rail of machine dolly and base station antenna communication；GPS mobile collection calculates board and is arranged in the switch board of safety management system main frame.
Described GPS portable antenna holding wire calculates the number biography antennal interface of board and is connected with GPS mobile collection, and GPS mobile collection computing board card is connected with safety management system main frame by RS-232.
Described ess-strain monitors sensor signal line is connected with ess-strain Acquisition Instrument, and ess-strain Acquisition Instrument is connected with the CAN interface of signal acquiring board in industrial computer by CAN, and industrial computer connects display.
Described types of facial makeup in Beijing operas sensor is arranged in drivers' cab, and safety management system main frame is arranged in monitoring cabinet；Types of facial makeup in Beijing operas sensor processes plate by types of facial makeup in Beijing operas management and is connected with safety management system main frame.
Described door machine operation information gathering plate is arranged in a machine monitoring rack, each operation information gathering port couples with control relay auxiliary contact in door machine operating board, the information output of door machine operation information gathering plate is CAN interface, couple with the CAN port of safety management system main frame, various sensors are connected with safety management system main frame by CAN, having output alarm controller inside safety management system main frame, safety management system main frame is connected with industrial computer by RS-232；The information of all collections is given safety management system main frame by CAN and is analyzed, reports to the police and processes by door machine operation information gathering plate, and gives industrial computer by RS-232 by all information and display, store.
This utility model one door machine security monitoring management system, technique effect is as follows:
1), in industrial computer, design has dam map vector, accurate coordinates is had to indicate each gate recess on dam, when gate slot transferred by the gate that door machine grasping beam is grabbed, system meeting automatic aligning, when gate exceedes set point with gate slot para-position deviation, system is understood automatic alarm and forbids that gate is transferred, so that it is guaranteed that safety transferred by gate；
2), utilize satellite positioning tech detection Transformation Plan of Gantry Crane running stroke and gate and gate slot automatic aligning technology, network not yet finds relevant report at present.But utilize satellite positioning tech to carry out container stacking position monitor on harbour tyre crane and have more application.This technology and difference of the present utility model be: tyre crane and Transformation Plan of Gantry Crane belong to two different field and object, and function and effect, performance all differ.The real-time ess-strain online monitoring alarm technology of portal construction, issues at the 2008.12 of Central-South water generating periodical and has [dam crest 3500kN portal construction prototype test monitoring quality control and Monitoring Result analysis], and main introduction is portal construction prototype test monitoring.This system and the main distinction of the present utility model be: (1): it is prototype test monitoring, belongs to disposable test monitoring, and this utility model is long-term on-line monitoring in real time.(2): it is belonging to static monitoring techniques, this utility model is dynamic monitoring.(3): it is to calculate the reliability that portal construction is current, the reliability function of the current portal construction of the existing calculating of this utility model also has the function of prediction portal construction frame for movement fatigue trend.(4): technique is different, it is to need manual site to operate the ess-strain information that can analyze, process portal construction, its reliability of artificial judgment, this utility model is automatic on-line monitoring, analyzes, processes the ess-strain information of portal construction, the reliability of automatic decision portal construction；(5): it is disposable test monitoring, analysis system, does not have seriality, particularly it is difficult to the large-scale door machine management decision-making of overage use form science judgment；This utility model is belonging to a part for machine safety management system, and the crossbeam ess-strain information of monitoring every day, trendgram are stored in industrial computer, it is possible to provide continuous information to judge for policymaker, so that equipment control is more scientific；
3), door machine types of facial makeup in Beijing operas monitoring management system, types of facial makeup in Beijing operas monitoring management is applied to some extent in elevator, not yet finds there is types of facial makeup in Beijing operas monitoring management system relevant report at Transformation Plan of Gantry Crane at present on network.
4), door machine intelligent operation information gathering, fault diagnosis, warning system, have [port crane dynamic monitoring and fault diagnosis expert system] this system and the difference of the present utility model to be at [traffic is in computer] supplementary issue 18 volume in 2000: (1), it be port crane Intelligent Fault Diagnose Systems；This utility model is that Transformation Plan of Gantry Crane on-line monitoring belongs to intelligent trouble diagnosis warning system, uses field and object different.(2), it is port crane manual operation dynamic monitoring and Fault diagnosis expert analysis system.This utility model is Transformation Plan of Gantry Crane online auto monitoring, analysis, warning system, it is not necessary to be manually entered any data or information.(3), it is need to connect numerous sensor in use, or can be obtained a result by each sensor detection signal input expert analyzing system；This utility model is that monitoring automatically analyzes warning system automatically, it is not necessary to connect other sensor again, it is not necessary to input any information.(4), its a kind of intelligence tool of temporarily using when being and overhaul for equipment fault, information does not have seriality, it is impossible to the history development procedure of equipment is made complete judgement；This utility model is belonging to a part for machine safety management system, various information can be stored in industrial computer, it can being retrieved for management personnel, maintainer, inquire about, it is possible to equipment fault forming process be made complete analysis and judges, in order to improve equipment, management provides scientific basis.
Accompanying drawing explanation
Fig. 1 is systematic schematic diagram of the present utility model.
Fig. 2 is door machine gps satellite locating and monitoring system schematic diagram of the present utility model.
Fig. 3 is the real-time monitoring principle figure of portal construction ess-strain of the present utility model.
Fig. 4 is the types of facial makeup in Beijing operas of the present utility model management systematic schematic diagrams.
Fig. 5 is operation information gathering of the present utility model, fault diagnosis warning system fundamental diagram.
Fig. 6 is safety management system host work schematic diagram of the present utility model.
Fig. 7 is door machine alarm control circuit figure of the present utility model.
Fig. 8 is monitoring system of stress and strain connection figure of the present utility model.
Fig. 9 is types of facial makeup in Beijing operas sensing system connection figure of the present utility model.
Figure 10 is warning of the present utility model, control circuit figure.
Detailed description of the invention
A kind of door machine security monitoring management system, by weight sensor, displacement transducer, height sensor, air velocity transducer, large vehicle walking encoder, anticollision sensor, types of facial makeup in Beijing operas sensor, ess-strain monitoring sensor, ess-strain Acquisition Instrument, GPS alignment system, door machine operation information gathering plate, safety management system main frame, industrial computer, display, door machine video monitoring system etc. form, and schematic diagram is as shown in Figure 1
System Working Principle:
Weight sensor detects for door machine grasping beam weight signal, displacement transducer wears pin detection for door machine grasping beam, height sensor is for door machine grasping beam height detection, air velocity transducer is to detect in real time for ambient wind velocity, anticollision sensor is to detect for large vehicle walking safe distance, types of facial makeup in Beijing operas sensor is to take appointment with certificate detection for driver, GPS mobile collection calculating board is the position coordinates current for detected magnitude car, can the walking of opposite house machine be automatically positioned by GPS alignment system, automatically record gate and gate slot exact position, position and large vehicle walking stroke to each door machine and gate slot detect display in real time；Signal detection is out given safety management system main frame by CAN or RS-232 interface by these sensors later, and safety management system main frame compares according to prior program setting, analyze and processes, and gives alarm by alarm signal；Control signal gives controller；Communication information gives remote management platform by data radio station, and management information is given industrial computer and displayed, stores, inquires about；Go round and begin again；
Ess-strain monitor signal is given ess-strain Acquisition Instrument by ess-strain monitoring sensor, ess-strain Acquisition Instrument is given after being arranged by signal and is given industrial computer again, it is analyzed reporting to the police by industrial computer, give remote monitoring and administration center by warning message by the data radio station of safety management system simultaneously, for remote monitoring and administration centre management decision references, go round and begin again.The operation information of crane, fault message are the actuator relay contact detection being operated by platform, then give safety management system host process by detection information, and result is given industrial computer and stored, it is simple to later retrieval, inquiry.
Door machine gps satellite locating and monitoring system:
Fundamental diagram is as shown in Figure 2, during work, the satellite-signal received constantly is given GPS mobile collection and is calculated board by GPS portable antenna, GPS mobile collection computing board card draws current position coordinates by Difference Calculation, the static position coordinate simultaneously sent here with GPS Base Station is compared, calibration, then give GPS by the coordinate information after calibration and process plate, after GPS process plate converts thereof into CAN signal, safety management system host C XJK1000 is given by CAN, safety management system host C XJK1000 gives industrial computer IPC610 after separately being processed by the positional information of door machine and grasping beam again, industrial computer IPC610 compares with dam gate slot phasor coordinate according to the position coordinates that door machine and grasping beam are current, when finding that grasping beam position coordinates exceedes setting value with gate slot position coordinates deviation, will the safety management system host C XJK1000 automatic alarm of order in time and forbid gate lowering operation.
Portal construction ess-strain real-time monitoring system:
Fundamental diagram is as shown in Figure 3, during work, ess-strain monitoring sensor DH1101 is constantly by portal construction ess-strain monitor signal, give ess-strain Acquisition Instrument DH3820, ess-strain Acquisition Instrument DH3820 gives router then through R-J45 after being arranged by signal, and router gives industrial computer IPC610 then through R-J45, industrial computer IPC610 be analyzed reporting to the police, will report to the police at once if crossbeam stress value exceedes setting value, go round and begin again.
Types of facial makeup in Beijing operas management system:
Fundamental diagram is as shown in Figure 4, during work, driver must arrive first takes a picture in face of types of facial makeup in Beijing operas sensor NP2100, wait that types of facial makeup in Beijing operas sensor is confirmed whether legal, if information is legal, legal information can be given types of facial makeup in Beijing operas management by RS-232 and be processed plate CX-SJ100 by types of facial makeup in Beijing operas sensor, after CX-SJ100 converts thereof into CAN message, safety management system host C X-JK1000 is given by CAN, safety management system host C X-JK1000 just can issue power-on command, safety management system is meeting Operating In Persistent Current Mode relay, door machine can normal operation, otherwise door machine does not work；
Operation information gathering, fault diagnosis warning system:
Fundamental diagram is as shown in Figure 5, during work, the information of all collections is given safety management system host C X-JK1000 by CAN and is analyzed, reports to the police and processes by operation information gathering plate CX-CJ05.2, and gives industrial computer by RS-232 by all information and display, store；Signal is operated by door machine when operation information gathering plate CX-CJ05.2 collects driver, and the sensor of safety management system host C X-JK1000 is not detected by actuator action message, then it is assumed that this actuator failure, system will be reported to the police, and provide trouble location, for maintainer's reference；
CX-JK1000 safety management system main frame:
As shown in Figure 6, safety management system host C X-JK1000 is made up of fundamental diagram display, keyboard interface circuit, signal indicating circuit, CPUSTM32F101C8T6, clock circuit DS1302, memory circuitry 24C256, watchdog circuit HP705, CAN circuit SN65HVD230 and RS232 interface, RS485 interface circuit etc..During work, keyboard circuit is responsible for operation, is arranged and control, CPUSTM32F101C8T6 is responsible for the collection of information, analysis and process, memory circuitry 24C256 is responsible for the storage of program, signal indicating circuit is responsible for the warning instruction of a machine state, communication interface circuit be responsible for sensor, controller, industrial computer communication, go round and begin again；
Door machine alarm control circuit:
Fundamental diagram is as shown in Figure 7, the alarm control circuit of door machine is Single Chip Microcomputer (SCM) system one piece independent, CPUSTM32F101C8T6 is coupled with safety management system host C X-JK1000 by CAN, during work, CPUSTM32F101C8T6 constantly passes through the CAN collection order from CX-JK1000 main frame, need to immediately pass through alarm equipment alarm when reporting to the police, need to immediately pass through control Control when controlling, thus completing warning, control task.
Specific embodiment:
A kind of door machine security monitoring management system, by weight sensor JZ-4-50T, displacement transducer CX-WY100, height sensor CX-GD01, air velocity transducer CX-FS01, the anticollision sensor QF-10ML of large vehicle walking, the types of facial makeup in Beijing operas management of sensor NF2011 taken appointment with certificate, ess-strain monitoring sensor DH1101, ess-strain Acquisition Instrument DH3820, the compositions such as GPS alignment system, door machine operation information gathering plate, door machine are reported to the police, controlled circuit system, security monitoring main frame, industrial computer IPC610.
This system also includes: gps satellite base station M600, door machine GPS mobile collection calculate board Devd980, door machine is reported to the police, control circuit system, safety management system host C X-JK1000, industrial computer IPC610, satellite positioning antennas AT300, data radio station SCADAD2710 and antenna is formed.
Gps satellite base station is arranged on optional position within the 5KM of ground, connects AC220V power supply, couples with gps antenna and data radio station, and data radio station passes antenna with number and couples, and gps antenna and number pass antenna and be arranged on the roof of outdoor spaciousness.
Door machine GPS portable antenna is arranged on the little roof of a machine just on the roof of grasping beam 1/2 intermediate point, there is provided for door machine and grasping beam and be accurately positioned, it is omnidirectional antenna that GPS number passes antenna, being arranged on outer the shining with the distant phase of antenna for base station of a guard rail of machine dolly and be easy to communication, GPS gathers calculating board and is arranged in the switch board of safety management system host C X-JK1000；
Door machine GPS portable antenna holding wire is connected with GPS collection calculating board gps signal interface, and GPS number biography antenna calculates board number biography antennal interface and is connected with GPS collection, and GPS collection computing board card passes through RS-232 and is connected with safety management system main frame；During work, the satellite-signal received constantly is given GPS and is gathered calculating board by GPS portable antenna, GPS gathers computing board card and draws current position coordinates by Difference Calculation, the position coordinates simultaneously sent here with GPS Base Station is compared, calibration, then give GPS by the coordinate information after calibration and process plate circuit, GPS processes after plate circuit converts thereof into CAN signal and gives safety management system host C XJK1000 by CAN, safety management system host C XJK1000 gives industrial computer IPC610 after separately being processed by the positional information of door machine and grasping beam again, industrial computer IPC610 compares with dam gate slot phasor coordinate according to the position coordinates that door machine and grasping beam are current, will the safety management system host C XJK1000 automatic alarm of order in time and forbid gate lowering operation when finding that grasping beam position coordinates and gate slot position coordinates deviation exceed setting value.
This system also includes: ess-strain monitoring sensor, ess-strain Acquisition Instrument, industrial computer, display.Ess-strain monitoring sensor DH1101 be arranged on portal construction center 1/2 place and with supporting leg intersection, ess-strain Acquisition Instrument DH3820, industrial computer DL610, be arranged in monitoring cabinet；Display S14AH is arranged on drivers' cab operating board right front.Ess-strain monitors sensor signal line is connected with ess-strain Acquisition Instrument, ess-strain Acquisition Instrument is connected with the CAN interface of signal acquiring board in industrial computer by CAN, industrial computer is connected with display, if crossbeam stress value exceedes setting value, issuing alarm signal at once, system Mating graph is as shown in Figure 8.
This system also includes: types of facial makeup in Beijing operas sensor NF2011, safety management system main frame.Types of facial makeup in Beijing operas sensor be arranged in drivers' cab just with driver photograph correct position, safety management system main frame is arranged in monitoring cabinet.Types of facial makeup in Beijing operas sensor processes plate CX-SJ100 safety management system main frame by RS-232 bus with the types of facial makeup in Beijing operas and is connected；During work, the necessary types of facial makeup in Beijing operas sensor signature of driver takes a picture, and it is legal for waiting sensor to confirm, just can issue power-on command, and safety management system is meeting Operating In Persistent Current Mode relay, and door machine can work, and otherwise door machine does not work；Systematic schematic diagram is as shown in Figure 9.
This system also includes: door machine operation information gathering plate, door machine security monitoring management system CX-JK1000 main frame, information feedback system (sensing system), warning system, control system, industrial computer, display and information gathering, warning.
Door machine operation information gathering plate is arranged in a machine monitoring rack, each operation information gathering port couples with control relay auxiliary contact in door machine operating board, the information output of door machine operation information gathering plate is CAN interface, couple with the CAN port of safety management system main frame, various sensors are coupled with safety management system host C X-JK1000 by CAN, having output alarm controller inside safety management system host C X-JK1000, safety management system host C X-JK1000 is coupled with industrial computer by RS232；The information of all collections is given monitoring management main frame by CAN and is analyzed, reports to the police and processes by operation information gathering plate, and gives industrial computer, display, storage by RS232 by all information；When operation information gathering plate collects driver operation signal, and the sensor of safety management system host C X-JK1000 is not detected by actuator action, then it is assumed that this actuator failure, system will be reported to the police, and provide trouble location, for maintainer's reference.
Claims (8)
1. a door machine security monitoring management system, including:
For the weight sensor of door machine grasping beam weight signal detection,
The displacement transducer of pin detection is worn for the inspection of door machine grasping beam,
For the height sensor of door machine grasping beam height detection,
For the air velocity transducer that ambient wind velocity detects in real time,
For the anticollision sensor of large vehicle walking safe distance detection,
For driver take appointment with certificate detection types of facial makeup in Beijing operas sensor,
Described weight sensor, displacement transducer, height sensor, air velocity transducer, anticollision sensor, types of facial makeup in Beijing operas sensor attachment security management system host, described safety management system main frame connects alarm, controller, industrial computer；
Ess-strain monitoring sensor connects ess-strain Acquisition Instrument, and ess-strain Acquisition Instrument connects industrial computer.
2. a kind of door machine security monitoring management system according to claim 1, it is characterised in that described safety management system main frame connects data radio station, and communication information is delivered to remote management platform by data radio station.
3. a kind of door machine security monitoring management system according to claim 1, it is characterized in that, also include gps satellite location fixed base stations, gps satellite location mobile collection calculates board, satellite positioning antennas, gps satellite fixed base stations is arranged on ground, gps satellite location fixed base stations is connected with the data radio station of gps satellite antenna, gps satellite base station, and the data radio station of gps satellite base station passes antenna with number and is connected, and gps antenna sum passes antenna and is all arranged on outdoor spacious roof.
4. a kind of door machine security monitoring management system according to claim 3, it is characterised in that described GPS portable antenna is arranged on the little roof of a machine, just on the roof of grasping beam 1/2 intermediate point, for providing be accurately positioned for door machine, grasping beam；GPS number passes antenna and is arranged on outside a guard rail of machine dolly and base station antenna communication；GPS mobile collection calculates board and is arranged in the switch board of safety management system main frame.
5. a kind of door machine security monitoring management system according to claim 3, it is characterized in that, described GPS portable antenna holding wire calculates the number biography antennal interface of board and is connected with GPS mobile collection, and GPS mobile collection computing board card is connected with safety management system main frame by RS-232.
6. a kind of door machine security monitoring management system according to claim 1, it is characterized in that, described ess-strain monitors sensor signal line is connected with ess-strain Acquisition Instrument, ess-strain Acquisition Instrument is connected with the CAN interface of signal acquiring board in industrial computer by CAN, and industrial computer connects display.
7. a kind of door machine security monitoring management system according to claim 1, it is characterised in that described types of facial makeup in Beijing operas sensor is arranged in drivers' cab, and safety management system main frame is arranged in monitoring cabinet；Types of facial makeup in Beijing operas sensor processes plate by types of facial makeup in Beijing operas management and is connected with safety management system main frame.
8. a kind of door machine security monitoring management system according to claim 1, it is characterized in that, also include a machine operation information gathering plate, door machine operation information gathering plate is arranged in a machine monitoring rack, each operation information gathering port couples with control relay auxiliary contact in door machine operating board, the information output of door machine operation information gathering plate is CAN interface, couple with the CAN port of safety management system main frame, various sensors are connected with safety management system main frame by CAN, output alarm controller is had inside safety management system main frame, safety management system main frame is connected with industrial computer by RS-232；The information of all collections is given safety management system main frame by CAN and is analyzed, reports to the police and processes by door machine operation information gathering plate, and gives industrial computer by RS-232 by all information and display, store.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620032681.4U CN205348126U (en) | 2016-01-13 | 2016-01-13 | Quick -witted safety monitoring management system of door |
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| CN201620032681.4U CN205348126U (en) | 2016-01-13 | 2016-01-13 | Quick -witted safety monitoring management system of door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484211A (en) * | 2016-01-13 | 2016-04-13 | 宜昌市创星电子技术发展有限公司 | Safety monitoring and management system for gantry crane |
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2016
- 2016-01-13 CN CN201620032681.4U patent/CN205348126U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484211A (en) * | 2016-01-13 | 2016-04-13 | 宜昌市创星电子技术发展有限公司 | Safety monitoring and management system for gantry crane |
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| 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: 20160629 Termination date: 20190113 |