CN104267653B - A kind of railway station building Escalator monitoring system and method - Google Patents
A kind of railway station building Escalator monitoring system and method Download PDFInfo
- Publication number
- CN104267653B CN104267653B CN201410549975.XA CN201410549975A CN104267653B CN 104267653 B CN104267653 B CN 104267653B CN 201410549975 A CN201410549975 A CN 201410549975A CN 104267653 B CN104267653 B CN 104267653B
- Authority
- CN
- China
- Prior art keywords
- escalator
- infrared
- processing module
- signal
- surveillance center
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2659—Elevator
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
The invention discloses a kind of railway station building Escalator monitoring system and method, it is characterized in that: it includes Escalator Surveillance center, communication network, switch, supervising device and field controller, Escalator Surveillance center is connected with one or more supervising devices by switch access communications network, and supervising device is connected with field controller by protocol converter.The present invention realizes station Escalator carrying out centralized and unified management and controlling in real time, when staircase nobody time quit work, energy saving effectively, and there is video monitoring, and providing real time video data and history video data for system, present system can monitor operation at times, can also subregion monitoring run, extend Escalator unit durability, reduce maintenance cost, more efficiently energy saving;During operation, first soft start Escalator, then keep normal speed to run, while power saving, bring for passenger and preferably experience.
Description
Technical field
The present invention relates to a kind of Escalator monitoring field, particularly relate to a kind of railway station building Escalator monitoring system and method.
Background technology
The elevator of railway station building may be carried out reducing energy consumption, had both saved unit fund, and responded the energy-conservation call of government, achieve the energy-conservation achievements of policymaker, and again environmental protection society had been made that contribution under the situation of continuous rise in current electricity price.
The three big defects of automatic escalator existence at present:
1, waste electric energy is surprising
For places such as periodically obvious airport, stations, when aircraft or train arrive, passenger flow is concentrated, and remaining time, passenger was less;And for the place such as market, shopping center, the most in the morning open the door after, noon have a meal, evening close before etc. the time period less relative to the volume of the flow of passengers;For places such as hotel, building materials furniture markets, the volume of the flow of passengers of whole day is all not as good as the place such as market, shopping center.Up to now, most escalators are all to use direct power supply to power, and do not carry out speed governing so that escalator is still full speed running nobody takes when, causes a large amount of waste of energy.
2, mechanical wear is serious, service life shortens
Escalator and moving sidewalk in hotel, market, subway, railway station, office building, guild hall, the application of the place such as airport more, making things convenient for customers and improve service quality etc., aspect serves considerable effect.But due to the particularity of its use occasion, part staircase is often in the state of idle running, and this will waste substantial amounts of electric energy, also makes staircase component (such as motor, reduction box, handrail etc.) produce unnecessary abrasion and fatigue damage simultaneously.
Owing to escalator uses the mode of across-the-line starting, generally every day is run more than eight hours, no matter takes with or without passenger, and escalator remains and runs up, its mechanical wear is quite serious, needs to change a large amount of critical piece or the whole ladder of clear-cut renewal could continue service.
3, fault rate is higher, cause use cost high
Keep at full speed for a long time due to escalator, the component wears such as its handrail, fishback, step are quickly, in addition to changing parts and needing substantial amounts of expense, wearing clearance strengthens and also often results in escalator and break down and out of service or cause potential faults and having an accident, and is all a thing the most worried for user, passenger and escalator maintenance unit.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, a kind of railway station building Escalator monitoring system and method is provided, realize centralized and unified management station Escalator, when Escalator nobody time quit work, and can at times with subregion perform Escalator monitoring, more efficiently energy saving, extend Escalator unit durability, reduce maintenance cost, and there is video monitoring, provide real time video data and history video data for system.
It is an object of the invention to be achieved through the following technical solutions: a kind of railway station building Escalator monitoring system, it includes Escalator Surveillance center, communication network, switch, supervising device and field controller, Escalator Surveillance center is connected with one or more supervising devices by switch access communications network, and supervising device is connected with field controller by protocol converter.
Described communication network is the optical fiber self-healing annular EPA that multiple switch is in series.
Described Escalator Surveillance center also includes station customer service information system linkage interface, and Escalator Surveillance center is by obtaining the flow of the people in station and artificial abortion's distributed intelligence in real time with station customer service information system linkage interface.
It also includes one or more video monitor, and video monitor is connected with supervising device by holding wire.
Described supervising device it include rack, optical transmitter and receiver, monitoring device and optical fiber pigtail box, switch, monitoring device and optical fiber pigtail box are arranged in rack, monitoring device one end is connected with optical transmitter and receiver by twisted-pair feeder, the monitoring device other end is connected with video monitor by holding wire, optical transmitter and receiver is also connected with optical fiber pigtail box by tail optical fiber, and the optical fiber pigtail box other end is connected with Escalator Surveillance center by switch.
Described monitoring device is DDC watch-dog, it includes remote signal module, telemetry module, remote control module and remote regulating module, remote signal module charge of overseeing electric switch, electrical equipment, the duty of plant equipment and ruuning situation, DI is numeral remote signals input, telemetry module is responsible for the voltage of collection site equipment, electric current, power, pressure or temperature parameter, AI is the input of analog telemetering signal, remote control module is responsible for controlling electrical equipment and the duty of electricapparatus equipment, DO is the output of digital remote control signal, remote regulating module is responsible for setting and adjusting running parameter and the canonical parameter of control equipment, AO is simulation remote regulating signal output.
Being also equipped with protocol converter in described rack, protocol converter is connected with optical transmitter and receiver by twisted-pair feeder, and protocol converter is also connected with field controller.
Described field controller includes infrared inductor, converter and processing module, infrared inductor includes infrared transmitting device and infrared receiver, infrared transmitting device is connected with infrared receiver by infrared light beam, processing module is connected with infrared transmitting device, control infrared transmitting device to start or stop, processing module and infrared receiver, processing module is connected with converter, and converter is connected with Escalator unit.
When infrared beam when between infrared transmitting device and infrared receiver is blocked, infrared receiver produces a signal of telecommunication immediately, and this signal of telecommunication is sent to processing module, processing module controls converter soft start Escalator, controlling Escalator to run with normal speed, it is out of service that processing module controls Escalator according to operation time and idle time.
A kind of railway station building Escalator monitors method, and it comprises the following steps:
S1: Escalator Surveillance center and station customer service information system linkage interface, gather flow of the people data and density data of population;
S2: Escalator Surveillance center, according to flow of the people data and density data of population, formulates Escalator control program, including subregion control program and time-division transfer scheme;
S3: Escalator supervising device performs the control program that Surveillance center assigns, and starts or closes infrared inductor;
S4: start infrared inductor, the processing module of Escalator controller controls to start infrared transmitting device, and infrared transmitting device launches infrared light beam to infrared receiver;
S5: when there being people to enter infrared induction region, infrared light beam blocks, and infrared receiver loses optical signal, sends a signal of telecommunication to processing module immediately;
S6: after processing module receives the signal of telecommunication, controls converter soft start Escalator immediately, controls Escalator and runs with nominal rated speed, and after Escalator runs, to processing module back-to-back running signal, processing module starts timing according to the running time T set;
S7: if in running, infrared induction region detection is to there being people, and processing module, after receiving the signal of telecommunication that infrared receiver is sent, restarts timing;
S8: after running the T second, if infrared induction region has been not detected by people, processing module controls converter, making Escalator enter idle mode, Escalator slowly runs, if in the idle time set in t, infrared induction region detection is to there being people, then Escalator is properly functioning with nominal rated speed;
S9: if after the no-load running t second, infrared induction region has been not detected by people, then Escalator is out of service, enters holding state.
The invention has the beneficial effects as follows: a kind of railway station building Escalator monitoring system, it is achieved centralized and unified management station Escalator, by Escalator Surveillance center directly Escalators all in station can be managed and be controlled, amendment arranges the operational factor of each Escalator.
Escalator in station is controlled by the present invention in real time, when staircase nobody time quit work, energy saving effectively, and there is video monitoring, provide real time video data and history video data for system.
This Escalator monitoring system can monitor operation at times, it is also possible to subregion monitoring runs, and extends Escalator unit durability, reduces maintenance cost, more efficiently energy saving;During operation, first soft start Escalator, then keep normal speed to run, while power saving, bring for passenger and preferably experience.
Accompanying drawing explanation
Fig. 1 is present system structured flowchart;
Fig. 2 is supervising device structured flowchart of the present invention;
Fig. 3 is site monitor structured flowchart of the present invention;
Fig. 4 is Escalator operational flow diagram of the present invention.
Detailed description of the invention
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of railway station building Escalator monitoring system, it includes Escalator Surveillance center, communication network, switch, supervising device and field controller, Escalator Surveillance center is connected with one or more supervising devices by switch access communications network, and supervising device is connected with field controller by protocol converter.
Described communication network is the optical fiber self-healing annular EPA that multiple switch is in series.
Described Escalator Surveillance center also includes station customer service information system linkage interface, and Escalator Surveillance center is by obtaining the flow of the people in station and artificial abortion's distributed intelligence in real time with station customer service information system linkage interface.
Escalator control command can be made according to the flow of the people in station by Escalator Surveillance center, the duty of time-division transfer Escalator watch-dog, flow of the people height when, can not start infrared inductor and carry out infrared monitoring, when flow of the people is low, starts infrared inductor and carry out infrared monitoring.
Escalator control command can be made according to the people's flow distribution in station by Escalator Surveillance center, subregion controls the duty of Escalator watch-dog, in densely populated region, infrared inductor can not be started and carry out infrared monitoring, when the region that population density is low, start infrared inductor and carry out infrared monitoring.
Avoid Escalator start and stop frequently, ensure stability and the safety of Escalator system, extend Escalator unit durability, reduce maintenance cost.
It also includes one or more video monitor, and video monitor is connected with supervising device by holding wire.
By video monitor, monitoring Escalator running status in real time, when having exception or contingency occurs, operator on duty can be helped to make rapidly countermeasure, and history video data, the most all sidedly problem analysis can be passed through, find out cause of accident.
As shown in Figure 2, described supervising device it include rack, optical transmitter and receiver, monitoring device and optical fiber pigtail box, switch, monitoring device and optical fiber pigtail box are arranged in rack, monitoring device one end is connected with optical transmitter and receiver by twisted-pair feeder, the monitoring device other end is connected with video monitor by holding wire, optical transmitter and receiver is also connected with optical fiber pigtail box by tail optical fiber, and the optical fiber pigtail box other end is connected with Escalator Surveillance center by switch.
Described monitoring device is DDC watch-dog, it includes remote signal module, telemetry module, remote control module and remote regulating module, remote signal module charge of overseeing electric switch, electrical equipment, the duty of plant equipment and ruuning situation, DI is numeral remote signals input, telemetry module is responsible for the voltage of collection site equipment, electric current, power, pressure or temperature parameter, AI is the input of analog telemetering signal, remote control module is responsible for controlling electrical equipment and the duty of electricapparatus equipment, DO is the output of digital remote control signal, remote regulating module is responsible for setting and adjusting running parameter and the canonical parameter of control equipment, AO is simulation remote regulating signal output.
Being also equipped with protocol converter in described rack, protocol converter is connected with optical transmitter and receiver by twisted-pair feeder, and protocol converter is also connected with field controller.
As shown in Figure 3, described field controller includes infrared inductor, converter and processing module, infrared inductor includes infrared transmitting device and infrared receiver, infrared transmitting device is connected with infrared receiver by infrared light beam, processing module is connected with infrared transmitting device, controls infrared transmitting device and starts or stops, processing module and infrared receiver, processing module is connected with converter, and converter is connected with Escalator unit.
When infrared beam when between infrared transmitting device and infrared receiver is blocked, infrared receiver produces a signal of telecommunication immediately, and this signal of telecommunication is sent to processing module, processing module controls converter soft start Escalator, controlling Escalator to run with normal speed, it is out of service that processing module controls Escalator according to operation time and idle time.
Field controller has the running state information of remote signalling terminal DI and remote control terminal DO, remote signalling terminal DI transmission Escalator, and remote control terminal DO transmits Escalator control command.
As shown in Figure 4, a kind of railway station building Escalator monitors method, and it comprises the following steps:
S1: Escalator Surveillance center and station customer service information system linkage interface, gather flow of the people data and density data of population;
S2: Escalator Surveillance center, according to flow of the people data and density data of population, formulates Escalator control program, including subregion control program and time-division transfer scheme;
S3: Escalator supervising device performs the control program that Surveillance center assigns, and starts or closes infrared inductor;
S4: start infrared inductor, the processing module of Escalator controller controls to start infrared transmitting device, and infrared transmitting device launches infrared light beam to infrared receiver;
S5: when there being people to enter infrared induction region, infrared light beam blocks, and infrared receiver loses optical signal, sends a signal of telecommunication to processing module immediately;
S6: after processing module receives the signal of telecommunication, controls converter soft start Escalator immediately, controls Escalator and runs with nominal rated speed, and after Escalator runs, to processing module back-to-back running signal, processing module starts timing according to the running time T set;
S7: if in running, infrared induction region detection is to there being people, and processing module, after receiving the signal of telecommunication that infrared receiver is sent, restarts timing;
S8: after running the T second, if infrared induction region has been not detected by people, processing module controls converter, making Escalator enter idle mode, Escalator slowly runs, if in the idle time set in t, infrared induction region detection is to there being people, then Escalator is properly functioning with nominal rated speed;
S9: if after the no-load running t second, infrared induction region has been not detected by people, then Escalator is out of service, enters holding state.
When Escalator electrifying startup, first Escalator is detected by field controller, detection Escalator whether normal operation, if there being exception, reports to the police to master station immediately, if the most abnormal, then soft stop stops Escalator;
Infrared transmitting device and infrared receiver are arranged on Escalator origin or beginning handrail both sides, upper Escalator is prepared when there being people, when entering Escalator monitoring range, infrared beam between infrared transmitting device and infrared receiver is blocked, infrared receiver produces a signal of telecommunication immediately, and this signal of telecommunication is sent to processing module, processing module controls converter soft start Escalator, and make Escalator run with normal speed, when Escalator brings into operation, processing module calculates Escalator according to the Escalator speed of service and runs the time, or Escalator operation time and idle time is directly set according to normal speed, after terminating at runtime, Escalator enters the Light Condition slowly run, after terminating between when empty, Escalator quits work.
The present invention can directly control the start and stop of Escalator by Escalator Surveillance center, and amendment arranges Escalator and controls parameter, it is achieved the centralized and unified management to station Escalator.
Escalator in station is controlled by the present invention in real time, when staircase nobody time quit work, energy saving effectively, and there is video monitoring, provide real time video data and history video data for system, when Escalator runs, first soft start Escalator, keep normal speed to run again, while power saving, bad experience will not be brought to passenger.
Claims (7)
1. a railway station building Escalator monitoring system, it is characterized in that: it includes Escalator Surveillance center, communication network, switch, supervising device and field controller, Escalator Surveillance center is connected with one or more supervising devices by switch access communications network, and supervising device is connected with field controller by protocol converter;Described supervising device it include rack, optical transmitter and receiver, monitoring device and optical fiber pigtail box, switch, monitoring device and optical fiber pigtail box are arranged in rack, monitoring device one end is connected with optical transmitter and receiver by twisted-pair feeder, the monitoring device other end is connected with video monitor by holding wire, optical transmitter and receiver is also connected with optical fiber pigtail box by tail optical fiber, and the optical fiber pigtail box other end is connected with Escalator Surveillance center by switch;Described monitoring device is DDC watch-dog, described DDC watch-dog includes remote signal module, telemetry module, remote control module and remote regulating module, remote signal module charge of overseeing electric switch, electrical equipment, the duty of plant equipment and ruuning situation, DI is numeral remote signals input, telemetry module is responsible for the voltage of collection site equipment, electric current, power, pressure and temperature parameter, AI is the input of analog telemetering signal, remote control module is responsible for controlling electrical equipment and the duty of plant equipment, DO is the output of digital remote control signal, remote regulating module is responsible for setting and adjusting running parameter and the canonical parameter of control equipment, AO is simulation remote regulating signal output.
A kind of railway station building Escalator monitoring system the most according to claim 1, it is characterised in that: described communication network is the optical fiber self-healing annular EPA that multiple switch is in series.
A kind of railway station building Escalator monitoring system the most according to claim 1, it is characterized in that: described Escalator Surveillance center also includes station customer service information system linkage interface, Escalator Surveillance center obtains the flow of the people in station and artificial abortion's distributed intelligence in real time by station customer service information system linkage interface.
A kind of railway station building Escalator monitoring system the most according to claim 1, it is characterised in that: described system also includes one or more video monitor, and video monitor is connected with supervising device by holding wire.
A kind of railway station building Escalator monitoring system the most according to claim 1, it is characterised in that: being also equipped with protocol converter in described rack, protocol converter is connected with optical transmitter and receiver by twisted-pair feeder, and protocol converter is also connected with field controller.
A kind of railway station building Escalator monitoring system the most according to claim 5, it is characterized in that: described field controller includes infrared inductor, converter and processing module, infrared inductor includes infrared transmitting device and infrared receiver, infrared transmitting device is connected with infrared receiver by infrared light beam, processing module is connected with infrared transmitting device, control infrared transmitting device to start or stop, processing module and infrared receiver, processing module is connected with converter, and converter is connected with Escalator unit;
When infrared beam when between infrared transmitting device and infrared receiver is blocked, infrared receiver produces a signal of telecommunication immediately, and this signal of telecommunication is sent to processing module, processing module controls converter soft start Escalator, controlling Escalator to run with normal speed, it is out of service that processing module controls Escalator according to operation time and idle time.
7. a railway station building Escalator monitoring method, it is characterised in that: it comprises the following steps:
S1: Escalator Surveillance center gathers flow of the people data and density data of population by station customer service information system linkage interface;
S2: Escalator Surveillance center, according to flow of the people data and density data of population, formulates Escalator control program, including subregion control program and time-division transfer scheme;
S3: Escalator supervising device performs the control program that Surveillance center assigns, and starts or closes infrared inductor;
S4: start infrared inductor, the processing module of Escalator controller controls to start infrared transmitting device, and infrared transmitting device launches infrared light beam to infrared receiver;
S5: when there being people to enter infrared induction region, infrared light beam blocks, and infrared receiver loses optical signal, sends a signal of telecommunication to processing module immediately;
S6: after processing module receives the signal of telecommunication, controls converter soft start Escalator immediately, controls Escalator and runs with nominal rated speed, and after Escalator runs, to processing module back-to-back running signal, processing module starts timing according to the running time T set;
S7: if in running, infrared induction region detection is to there being people, and processing module, after receiving the signal of telecommunication that infrared receiver is sent, restarts timing;
S8: after running T, if infrared induction region has been not detected by people, processing module controls converter, making Escalator enter idle mode, Escalator slowly runs, if in the idle time set in t, infrared induction region detection is to there being people, then Escalator is properly functioning with nominal rated speed;
S9: if after no-load running t, infrared induction region has been not detected by people, then Escalator is out of service, enters holding state.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410549975.XA CN104267653B (en) | 2014-10-17 | 2014-10-17 | A kind of railway station building Escalator monitoring system and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410549975.XA CN104267653B (en) | 2014-10-17 | 2014-10-17 | A kind of railway station building Escalator monitoring system and method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104267653A CN104267653A (en) | 2015-01-07 |
CN104267653B true CN104267653B (en) | 2016-09-28 |
Family
ID=52159181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410549975.XA Active CN104267653B (en) | 2014-10-17 | 2014-10-17 | A kind of railway station building Escalator monitoring system and method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104267653B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107514785A (en) * | 2017-09-04 | 2017-12-26 | 珠海格力电器股份有限公司 | Control method and controller of air conditioning system and air conditioning system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103274284A (en) * | 2013-05-24 | 2013-09-04 | 康力电梯股份有限公司 | Escalator and sidewalk functional safety electronic monitoring device |
CN103318740A (en) * | 2013-07-03 | 2013-09-25 | 北京北安时代电梯安装工程有限公司 | Automatic escalator and automatic sidewalk passageway blockage monitoring and managing system |
CN103318739A (en) * | 2013-07-03 | 2013-09-25 | 北京北安时代电梯安装工程有限公司 | Automatic escalator and automatic sidewalk human flow statistically analyzing, prewarning, monitoring and managing system |
CN203767824U (en) * | 2013-12-12 | 2014-08-13 | 广州市地下铁道总公司 | Escalator energy-saving control system and energy-saving escalator system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3496392B2 (en) * | 1996-04-08 | 2004-02-09 | 株式会社日立製作所 | Operation monitoring device for passenger conveyor |
-
2014
- 2014-10-17 CN CN201410549975.XA patent/CN104267653B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103274284A (en) * | 2013-05-24 | 2013-09-04 | 康力电梯股份有限公司 | Escalator and sidewalk functional safety electronic monitoring device |
CN103318740A (en) * | 2013-07-03 | 2013-09-25 | 北京北安时代电梯安装工程有限公司 | Automatic escalator and automatic sidewalk passageway blockage monitoring and managing system |
CN103318739A (en) * | 2013-07-03 | 2013-09-25 | 北京北安时代电梯安装工程有限公司 | Automatic escalator and automatic sidewalk human flow statistically analyzing, prewarning, monitoring and managing system |
CN203767824U (en) * | 2013-12-12 | 2014-08-13 | 广州市地下铁道总公司 | Escalator energy-saving control system and energy-saving escalator system |
Also Published As
Publication number | Publication date |
---|---|
CN104267653A (en) | 2015-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204009566U (en) | Intelligent building control system | |
CN207397055U (en) | Gate control system | |
CN102263438B (en) | Intelligent running system for distribution substation and control method thereof | |
CN104267653B (en) | A kind of railway station building Escalator monitoring system and method | |
CN109743365B (en) | Method, device and system for monitoring power transmission line | |
CN209009901U (en) | A kind of building hoist monitoring system based on ZigBee wireless communication | |
CN111071892A (en) | Elevator power failure fault monitoring system and method | |
CN214799407U (en) | Photovoltaic system, photovoltaic module and local manager | |
CN103875145B (en) | Electric network monitoring device | |
CN109756024A (en) | A kind of Switching Power Supply monitoring device and its control method | |
CN202673360U (en) | Coal mine belt conveying and water draining monitoring system | |
CN112421769A (en) | Intelligent remote monitoring system for communication power supply equipment | |
CN108762189B (en) | PC component mould platform control system based on PLC control | |
CN203938304U (en) | A kind of elevator long distance supervisory systems that adopts power line carrier communication | |
CN110531139A (en) | The current monitoring system and control method at a kind of movable Crushing screening station | |
CN205709262U (en) | A kind of convenient elevator control gear used | |
CN215730227U (en) | Electronic stop board system based on protection strategy scheme | |
CN106571684A (en) | Distributed power control system | |
CN107591888A (en) | A kind of control system and method for converting station electric power dispatch data net device power supply (DPS) | |
CN202390046U (en) | Elevator uninterrupted power supply (UPS) emergency rescue device | |
CN204408574U (en) | Elevator Internet of Things wireless talkback management system | |
CN113991665A (en) | Coordination device and method for power supply systems of two low-voltage transformer areas | |
CN209651699U (en) | A kind of centralized escalator safety management system based on Internet of Things | |
CN201733259U (en) | Motor restarting device, remote motor restarting control device and system | |
CN106602717A (en) | Remote power controller |
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 |