CN108217375A - Elevator safety monitoring system based on PLC - Google Patents
Elevator safety monitoring system based on PLC Download PDFInfo
- Publication number
- CN108217375A CN108217375A CN201611198921.9A CN201611198921A CN108217375A CN 108217375 A CN108217375 A CN 108217375A CN 201611198921 A CN201611198921 A CN 201611198921A CN 108217375 A CN108217375 A CN 108217375A
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- CN
- China
- Prior art keywords
- elevator
- plc
- gprs
- module
- monitoring system
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/14—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0012—Devices monitoring the users of the elevator system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The present invention relates to a kind of elevator safety monitoring system based on PLC, including sensing module, acquisition module, PLC, GPRS DTU module, local monitor room, GPRS, remote monitoring center；Wherein sensing module includes open door sensor, weight sensor, range sensor, infrared human body sensor, acceleration transducer；GPRS DTU modules include RS232 interface, RS422 interfaces, RS484 interfaces, CAN interface；Remote monitoring center includes server, PC computers, alarm.The present invention uses a kind of elevator remote monitoring system based on GPRS, according to PLC multiple types interfaces, meets the data transmission of different type elevator, solve the problems, such as elevator monitoring system presently, there are wiring is more difficult, fault detection information hysteresis quality.
Description
Technical field
The present invention relates to elevator monitoring technical field, particularly a kind of elevator safety monitoring system based on PLC.
Background technology
With the development of science and technology, the elevator of advancing by leaps and bounds of process of modernization is as a kind of efficient, fast, peace
Entirely, reliable vertical transport equipment becomes the indispensable means of transport of people.Each office block in modern high-rise building is lived
Residence, hotel, hospital, industrial and mining enterprises, warehouse, harbour, larger cargo ships etc. all be unable to do without it.Elevator service China has more than 100 years
The usage quantity rapid growth of history China's elevator especially after reform and opening-up.Especially at this stage as economic mouth crescent is different
Development people's living standard be continuously improved urban architecture be on the increase building also higher and higher elevator corresponding to this also obtain it is fast
Violent development.Present elevator has been fully immersed into the needs for meeting people's life, work and study in our production, life.Electricity
The effect of ladder is more and more significant, and the demand of elevator is increasing.Elevator can not ensure to be perfectly safe, therefore as a kind of machinery
Monitoring device to be installed on elevator, the electrical monitoring system of elevator mainly has relay monitoring system and computer supervisory control system
Two kinds of monitor modes.It is to adopt that the electric part of elevator forms relay monitoring system by relay, conducting wire, cable, monitor etc.
The shortcomings that relay logic monitoring is due to high failure rate, physical contact is more, bulky, poor reliability is just gradually being washed in a pan
It eliminates.Traditional way is that a station terminal is connected on the main controller of elevator, carries out this monitoring, when terminal shows the operation of elevator
After exception occur in data, there is local monitoring personnel notice elevator company to be checked that there are serious for this method to scene
Hysteresis quality and problem can not be repaired in time.
Invention content
It is an object of the invention to solve problem of the prior art, a kind of elevator safety monitoring system based on PLC is provided,
With a kind of elevator remote monitoring system based on GPRS, and according to PLC there are many interface of type, being related to one kind has
RS232 interface, RS422 interfaces, four kinds of interfaces of RS485 interfaces and CAN interface GPRS DTU modules, different type can be met
The PLC demands of interface solve the data transmission of different type elevator, solve elevator monitoring system presently, there are wiring it is more difficult therefore
The problem of hindering detection information hysteresis quality.
To solve the above-mentioned problems, the present invention takes what following technical scheme was realized：
A kind of elevator safety monitoring system based on PLC, including sensing module, acquisition module, PLC, GPRS DTU module, local
Monitoring room, GPRS, remote monitoring center；Wherein sensing module includes open door sensor, weight sensor, range sensor, red
Outer human body sensor, acceleration transducer；GPRS DTU modules include RS232 interface, RS422 interfaces, RS484 interfaces, CAN and connect
Mouthful；Remote monitoring center includes server, PC computers, alarm；It is characterized in that：The sensing module and acquisition module phase
Connection；The acquisition module is connected with PLC；The PLC is connected with GPRS DTU modules；The GPRS DTU moulds
Block is connected respectively with local monitor room, GPRS；The GPRS is connected with remote monitoring center.
Moreover, the collected fault message of sensing module on the acquisition module acquisition installation elevator, judges elevator
Current operational situation.
Moreover, the open door sensor in the sensing module, which detects, stops terraced failure and the event of elevator running open outside door area
Barrier, the weight sensor detection overweight failure of elevator when weight overrate, send out overweight signal, range sensor detection electricity
Ladder is rushed to summit failure and elevator crouching bottom failure, sets certain initial value, is to occur when elevator distance is more than the range of setting
Failure, in infrared human body sensor detection failure elevator whether presence of people, whether acceleration transducer directly detect acceleration
It is normal to judge the speed failure of elevator.
Moreover, the phenomenon of the failure that the sensing module on elevator is sent out is monitored, filtered and sentenced by the PLC
It is fixed.
Moreover, the GPRS DTU modules poll acquisition PLC status datas, transmission control instruction refer to PLC and reception
It enables, is packaged and parses data, the elevator being connected on logical CAN interface and a GPRS DTU module, connect individually by RS232
Mouth, RS422 interfaces, RS485 interfaces and GPRS DTU module direct communications.
The advantages and positive effects of the present invention are：
1st, a kind of elevator safety monitoring system based on PLC, in a manner that GPRS is transmitted as real-time dynamic data, the system
Dynamic data transmission efficiency can be effectively improved, reduces the cost of system operation, improves data user rate and dynamic monitoring service
It is horizontal.It is connect with a kind of elevator remote monitoring system based on GPRS, and according to PLC there are many interface of type with RS232
The GPRS DTU modules of mouth, RS422 interfaces, RS485 interfaces and four kinds of interfaces of CAN interface, can meet different type interface
PLC demands solve the data transmission of different type elevator, solve elevator monitoring system presently, there are wiring is more difficult, fault detect
The problem of information delay.
Description of the drawings
Fig. 1 is system general hardware framework schematic diagram；
Fig. 2 is elevator remote monitoring system workflow schematic diagram；
Fig. 3 is database transmission flow figure；
Fig. 4 is PLC flow diagrams.
Specific embodiment
Technical scheme of the present invention is described in detail below in conjunction with the accompanying drawings：
A kind of elevator safety monitoring system based on PLC of the present invention as shown in Figure 1, including sensing module, acquisition module, PLC,
GPRS DTU modules, local monitor room, GPRS, remote monitoring center；Wherein sensing module includes open door sensor, weight senses
Device, range sensor, infrared human body sensor, acceleration transducer；GPRS DTU modules include RS232 interface, RS422 connects
Mouth, RS484 interfaces, CAN interface；Remote monitoring center includes server, PC computers, alarm；It is characterized in that：The biography
Sense module is connected with acquisition module；The acquisition module is connected with PLC；The PLC is connected with GPRS DTU modules
It connects；The GPRS DTU modules are connected respectively with local monitor room, GPRS；The GPRS is connected with remote monitoring center
It connects.
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, remote monitoring center is by GPRS connection data, and by designing tool, there are four types of interfaces
GPRS DTU modules, using plc communication, local monitor room is connect by RS485 interfaces with multiple PLC, carries out the group to elevator
Control.It is connected by CAN interface between elevator, and then communicated with local monitor room, elevator is monitored using group control method, even
The GPRS DTU module direct communications being connected on same CAN interface, GPRS DTU modules carry and PLC, local monitor room
And the task of remote monitoring center real-time, interactive, GPRS DTU modules are transmitted elevator real-time operating conditions data by GPRS
To remote monitoring center.
GPRS DTU modules have poll acquisition PLC status datas, the elevator faults warning message for turning remote monitoring center,
Transfer control instruction to PLC, receive the control instruction of remote monitoring center, be packaged and parsing data, transmit elevator operation
Data function.The dynamic state of run parameter stored in acquisition PLC in real time, the startup of elevator, stopping, current floor, load-carrying number
Amount and call signal.According to the state of elevator on display interface each elevator of real-time display state, include the operation side of elevator
To the enabling of, position, floor, and Dynamic Announce elevator, shutdown, startup, stop conditions.When in Lift out of order and elevator
During someone, infrared human body sensor can detect and send out alarm in real time, ensure that system is steady in terms of gathered data
Determine reliability, front-end collection to fault message can be monitored by PLC and be uploaded to remote monitoring center, server be provided with therefore
Barrier lasts record, improves the integrality of monitoring.Every PLC controls the operation of an elevator, is led to using RS485 interfaces
News, GPRS DTU supports are connect with multiple PLC, can realize the reading to all PLC, by reading the data information of PLC,
Obtain the real time data of elevator.
Acquisition information uploads to remote monitoring center again by PLC, and maintenance personnel can be very clear by monitoring interface
See the same day elevator operating status, when elevator breaks down, collected data can to server transport, server
To monitor the operational process of elevator, while by transmitting data to PLC, the operation of elevator can be controlled, is realized simultaneously to multi-section
Tradition is monitored.Include the time of elevator up-down, the type of failure and appearance.After remote monitoring center receives information,
First failure is analyzed and determined, while this information is added to and is lasted in record storehouse.
In order to ensure system reliability service, redundancy strategy is applied to the server of remote monitoring center, for ease of repair
Personnel, client log in Internet query-related informations.By data application in the server of remote monitoring center, collected electricity
Terraced real-time running state data are stored in server, and PC computers carry out human-computer interaction interface, and human-computer interaction interface realizes that dynamic is remote
Range monitoring fault alarm order, and server mainly carries out fault diagnosis to collected data.Failure is carried out when breaking down
Alarm, maintenance personal timely arrives message, repairs failure as early as possible, when elevator is parked in a certain stop door lock there was a mechanical failure and
When cannot open the door, server can control elevator to rest in adjacent stop, until door is opened.Failure logging archives are established,
Failure that real-time grade occurs and supplementary means when repair that query function is used as is provided.
It is emphasized that embodiment of the present invention is illustrative rather than limited, therefore the present invention is simultaneously
The embodiment described in specific embodiment is not limited to, it is every to be obtained according to the technique and scheme of the present invention by those skilled in the art
Other embodiment, also belong to the scope of protection of the invention.
Claims (5)
1. a kind of elevator safety monitoring system based on PLC, including sensing module, acquisition module, PLC, GPRS DTU module, sheet
Ground monitoring room, GPRS, remote monitoring center；Wherein sensing module include open door sensor, weight sensor, range sensor,
Infrared human body sensor, acceleration transducer；GPRS DTU modules include RS232 interface, RS422 interfaces, RS484 interfaces, CAN
Interface；Remote monitoring center includes server, PC computers, alarm；It is characterized in that：The sensing module and acquisition module
It is connected；The acquisition module is connected with PLC；The PLC is connected with GPRS DTU modules；The GPRS DTU
Module is connected respectively with local monitor room, GPRS；The GPRS is connected with remote monitoring center.
2. the elevator safety monitoring system according to claim 1 based on PLC, it is characterised in that：The acquisition module
The collected fault message of sensing module on acquisition installation elevator, judges the current operational situation of elevator.
3. the elevator safety monitoring system according to claim 1 based on PLC, it is characterised in that：The sensing module
In open door sensor detection door area outside stop terraced failure and elevator running open failure, it is former that weight sensor detection elevator is overweight
Barrier when weight overrate, sends out overweight signal, and range sensor detection elevator is rushed to summit failure and elevator crouching bottom failure, if
Fixed certain initial value is to break down when elevator distance is more than the range of setting, infrared human body sensor detection failure
In elevator whether presence of people, acceleration transducer directly detects whether acceleration normal, to judge the speed failure of elevator.
4. the elevator safety monitoring system according to claim 1 based on PLC, it is characterised in that：The PLC will be installed
The phenomenon of the failure that sensing module on elevator is sent out is monitored, and is filtered, is judged.
5. the elevator safety monitoring system according to claim 1 based on PLC, it is characterised in that：The GPRS DTU
Module polls acquire PLC status datas, and transmission control instruction to PLC and receives instruction, is packaged and parses data, be connected to CAN
Elevator and a GPRS DTU module on interface, individually by RS232 interface, RS422 interfaces, RS485 interfaces and GPRS
DTU module direct communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198921.9A CN108217375A (en) | 2016-12-22 | 2016-12-22 | Elevator safety monitoring system based on PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198921.9A CN108217375A (en) | 2016-12-22 | 2016-12-22 | Elevator safety monitoring system based on PLC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108217375A true CN108217375A (en) | 2018-06-29 |
Family
ID=62656164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611198921.9A Pending CN108217375A (en) | 2016-12-22 | 2016-12-22 | Elevator safety monitoring system based on PLC |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108861932A (en) * | 2018-09-05 | 2018-11-23 | 深圳安顺视智能科技有限公司 | A kind of novel elevator monitor and its system and monitoring method |
| CN109678021A (en) * | 2019-02-12 | 2019-04-26 | 重庆航天职业技术学院 | A kind of intelligent cloud elevator monitoring systems based on LabVIEW |
| CN110386518A (en) * | 2019-07-30 | 2019-10-29 | 中山职业技术学院 | A kind of elevator control system |
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| CN103010885A (en) * | 2012-12-20 | 2013-04-03 | 无锡久一重工机械有限公司 | Long-range positioning and monitoring system for engineering elevator |
| CN104355196A (en) * | 2014-11-04 | 2015-02-18 | 天津港联盟国际集装箱码头有限公司 | Remote monitoring system for elevator failures |
| CN104627769A (en) * | 2015-03-06 | 2015-05-20 | 杭州市特种设备应急处置中心 | Safe operation internet-of-things monitoring system for elevator |
| CN204689281U (en) * | 2015-05-12 | 2015-10-07 | 广州广日电梯工业有限公司 | For the lift management system that elevator faults is diagnosed in advance |
| CN105712140A (en) * | 2014-12-05 | 2016-06-29 | 华夏视清数字技术(北京)有限公司 | Monitoring and early-warning device and method |
| CN205527132U (en) * | 2016-01-12 | 2016-08-31 | 陕西国际商贸学院 | Elevator monitoring system based on thing networking |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103010885A (en) * | 2012-12-20 | 2013-04-03 | 无锡久一重工机械有限公司 | Long-range positioning and monitoring system for engineering elevator |
| CN104355196A (en) * | 2014-11-04 | 2015-02-18 | 天津港联盟国际集装箱码头有限公司 | Remote monitoring system for elevator failures |
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| CN204689281U (en) * | 2015-05-12 | 2015-10-07 | 广州广日电梯工业有限公司 | For the lift management system that elevator faults is diagnosed in advance |
| CN205527132U (en) * | 2016-01-12 | 2016-08-31 | 陕西国际商贸学院 | Elevator monitoring system based on thing networking |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108861932A (en) * | 2018-09-05 | 2018-11-23 | 深圳安顺视智能科技有限公司 | A kind of novel elevator monitor and its system and monitoring method |
| CN109678021A (en) * | 2019-02-12 | 2019-04-26 | 重庆航天职业技术学院 | A kind of intelligent cloud elevator monitoring systems based on LabVIEW |
| CN110386518A (en) * | 2019-07-30 | 2019-10-29 | 中山职业技术学院 | A kind of elevator control system |
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Application publication date: 20180629 |