CN107117510A - A kind of intelligent elevator remote monitoring system - Google Patents
A kind of intelligent elevator remote monitoring system Download PDFInfo
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- CN107117510A CN107117510A CN201710247371.3A CN201710247371A CN107117510A CN 107117510 A CN107117510 A CN 107117510A CN 201710247371 A CN201710247371 A CN 201710247371A CN 107117510 A CN107117510 A CN 107117510A
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- elevator
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- unit
- instantaneous velocity
- module
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Classifications
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- 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
- B66B5/0018—Devices monitoring the operating condition of the elevator system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
- B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
Abstract
The intelligent elevator remote monitoring system that the present invention is provided, elevator operation troubles can not only be recognized in time, can also adaptively it be adjusted according to the running optimizatin figure prestored, in addition, the function of failure call can also be intelligently completed when elevator hinders, played a decisive role further to implement rescue, pacifying stranded passenger, meanwhile, elevator operation power control unit of the invention can also largely reduce power dissipation.
Description
Technical field
The present invention relates to elevator controlling management domain, more particularly to a kind of intelligent elevator remote monitoring system.
Background technology
Elevator is an indispensable equipment for a high-rise building, is also the high public affairs of utilization rate
Many means of transports, to the end of the year 2012, high growth situation is presented more than 2,400,000 in national elevator owning amount, and reality is that have
More than 20% elevator useful life was using elevator faults frequent, or there is significant trouble hidden danger more than 10 years more than 30%；
State General Administration for Quality Supervision relevant expert represents, with the surge of elevator quantity, the progressively aging of equipment, and China elevator bus
The Special use situation such as stream, high loaded process, elevator accident incidence may sustainable growth.
Elevator safety has become the focal issue of social concerns, and serious accident is often seen in media, and daily elevator closes people
Accident is even more the moment, in system master unit, and rotary encoder and door zone position, the detection of end station position are essential,
Rotary encoder realizes exact position, the detection of speed, but elevator manufacturer for the incomplete etc. of technology barriers and control system
Reason refusal provides related data, therefore the remote monitoring of elevator is become as a great problem, although correlation technique exploitation is many, but
Because the defect that itself is present all can not be used normally.
In addition, the daily power consumption of a conventional lift drives elevator between 5OKWH-150KWH in running process of elevator
The traction machine part of cage operation can consume most of power, according to relevant statistics, the motor drag in traction machine system
Power consumption accounts for more than the 75% of elevator operation general power.The power produced for elevator in braking procedure, if be carried out in situ back
Receive and recycle, not only can largely reduce power dissipation, can also avoid increasing excessive optional equipment.
The content of the invention
The purpose of the present invention is achieved through the following technical solutions.
According to the embodiment of the present invention, a kind of intelligent elevator remote monitoring system is proposed, including：Main control unit, passenger
Recognition unit, standby lighting unit, PTT intercommunications unit, WLAN communication units, information memory cell, elevator operation detection
And adaptive adjustment unit, elevator operational shock sensing unit, security against fire unit, elevator operation power control unit, CAN are total
Line interface, stand-by power supply and shell；
The main control unit be system control core, its respectively with passenger's recognition unit, standby lighting unit, PTT pairs
Say that unit, WLAN communication units, information memory cell, elevator operation detection and adaptive adjustment unit, elevator operation shake
Dynamic sensing unit, security against fire unit, elevator operation power control unit, CAN interface, stand-by power supply are connected, and are used for
Above-mentioned each unit is manipulated to complete control and operation including data acquisition, condition adjudgement, information are sent and intercommunication is conversed；
The elevator operation detection and adaptive adjustment unit, including the operation of combustion adjustment iversion controller, elevator are optimal
Mapping graph sets up module, real-time running state acquisition module, comparison module, adaptive adjusting module；The combustion adjustment sub-control
Device connects real-time running state acquisition module and comparison module respectively, and the comparison module is also respectively connected with elevator and runs optimal reflect
Penetrate figure and set up module and adaptive adjusting module；
The elevator operational shock sensing unit is used to gather the vibration data in running process of elevator；
Passenger's recognition unit is made up of the detection module of thermal infrared electric transducer, for detecting in lift car whether there is
Passenger, and send detection signal to main control unit；
The standby lighting unit includes lighting lamp group and light sensor, can be in master control when lift car has a power failure
Standby lighting lamp is automatically turned under the control of unit；
The PTT intercommunications unit includes Mike and loudspeaker, speech interface and the WLAN communication units of PTT intercommunication units
Speech interface is connected, and it can play information of voice prompt under the control of main control unit, and can pass through WLAN communication units
Realization is connected with the monitoring computer at distal end elevator monitoring center, realizes and voice call in the elevator monitoring center of distal end；
The WLAN communication units are connected with main control unit, for realizing system with being monitored in the elevator monitoring center of distal end
Data and the voice signal connection of computer；
Described information memory cell is Nonvolatile memory device, for storing information-setting by user and record monitoring alarm letter
Breath；
The CAN interface is the communication interface of above-mentioned each unit and CAN, for entering line number with above-mentioned each unit
According to exchange, obtain in terms of elevator operation for information about and main control unit order；
The stand-by power supply is uninterruption power source, is made up of battery and charge-discharge controller, the output of its power supply
End is connected with each consuming parts in system, when user's elevator power supply has a power failure, and can be powered for system each unit, master control
Unit can control stand-by power supply to carry out automatic charging；
The shell is the discoid box body of ceiling installing type structure, and its positive central part recognizes single equipped with passenger
Member；
The security against fire unit；Including fire-fighting iversion controller, sodium peroxide oxygenerator, infrared smoke sensor device；
Described and elevator operation power control unit, for being controlled to elevator operation power.
According to the embodiment of the present invention, the lighting lamp group is made up of multiple LEDs, and it is uniformly mounted to passenger's knowledge
Around other unit, for providing standby lighting；Light sensor is arranged on the side of passenger's recognition unit, for detecting elevator
The brightness value of cab interior.
According to the embodiment of the present invention, the elevator operation detection and adaptive adjustment unit carrying out practically mode
For：
The elevator run optimal mapping graph set up module generate and store optimization instantaneous velocity that elevator normally runs-
Time map figure；
Start for the first time until in stopped process, the combustion adjustment iversion controller obtains mould by real-time running state in elevator
Block measures real-time instantaneous velocity-time map figure that elevator is this time run, and by comparison module by the real-time instantaneous velocity-
Time map figure and storage optimization instantaneous velocity-time map figure contrasted, by contrast after：
If the real-time instantaneous velocity-time map figure is with optimizing instantaneous velocity-time map figure indifference, then it is assumed that
Elevator is in optimized running state, does not make adjustment；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, it starts rank
The height of curve of section is significantly lower than the curve for optimizing instantaneous velocity-time map figure startup stage, then by adaptively adjusting
Module by traction electric machine frequency converter correspondence run time section in proportional gain and integration respectively heighten 1 percentage point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, it starts rank
The height of curve of section is apparently higher than the curve for optimizing instantaneous velocity-time map figure startup stage, then by adaptively adjusting
Module by traction electric machine frequency converter correspondence run time section in proportional gain and integration turn down 1 percentage point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, its deceleration rank
The height of curve of section is significantly lower than the curve for optimizing instantaneous velocity-time map figure startup stage or occurs again increasing after V to 0
Greatly, then proportional gain of the traction electric machine frequency converter in correspondence run time section is turned down 1 hundred by adaptive adjusting module
Branch, and integration is heightened 1 percentage point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, its deceleration rank
The height of curve of section is apparently higher than the curve for optimizing instantaneous velocity-time map figure startup stage, then by adaptively adjusting
Proportional gain of the traction electric machine frequency converter in correspondence run time section is heightened 1 percentage point by module, and integration is turned down into 1
Percentage point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, its at the uniform velocity rank
The curve of section have it is obvious it is upper and lower float, then by adaptive adjusting module by traction electric machine frequency converter when correspondence is run
Between proportional gain in section heighten or turn down 1 percentage point, while keeping integration constant；Start in elevator next time until stopping
During, the elevator that combustion adjustment iversion controller is measured by real-time running state acquisition module run it is real-time instantaneous velocity-when
Between mapping graph, if it is starting instantaneous velocity-time map figure opposite position into stopped process with a preceding elevator
Place, curve still has obvious upper and lower floating, then keeps proportional gain constant, integration is turned down into 1 percentage point.
The intelligent elevator remote monitoring system that the present invention is provided, elevator operation troubles can not only be recognized in time, can be with
Running optimizatin figure according to prestoring adaptively is adjusted, furthermore it is also possible to can be intelligently when elevator hinders
The function of completion failure call, which is further implementation rescue, pacify stranded passenger plays a decisive role, meanwhile, electricity of the invention
Ladder operation power control unit can also largely reduce power dissipation.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Accompanying drawing 1 shows the intelligent elevator remote monitoring system structural representation according to embodiment of the present invention；
Accompanying drawing 2 is shown to be shown according to the detection of the elevator operation of embodiment of the present invention and adaptive adjustment unit structure
It is intended to.
Embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in accompanying drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.Conversely it is able to be best understood from the disclosure there is provided these embodiments, and can be by this public affairs
The scope opened completely convey to those skilled in the art.
According to the embodiment of the present invention, a kind of intelligent elevator remote monitoring system is proposed, as shown in Figure 1, including：It is main
Control unit, passenger's recognition unit, standby lighting unit, PTT intercommunications unit, WLAN communication units, information memory cell, elevator fortune
Row state-detection and adaptive adjustment unit, elevator operational shock sensing unit, security against fire unit, elevator operation Power Control
Unit, CAN interface, stand-by power supply and shell；
The main control unit be system control core, its respectively with passenger's recognition unit, standby lighting unit, PTT pairs
Say that unit, WLAN communication units, information memory cell, elevator operation detection and adaptive adjustment unit, elevator operation shake
Dynamic sensing unit, security against fire unit, elevator operation power control unit, CAN interface, stand-by power supply are connected, and are used for
Above-mentioned each unit is manipulated to complete control and operation including data acquisition, condition adjudgement, information are sent and intercommunication is conversed；
The elevator operation detection and adaptive adjustment unit, for adaptively being adjusted to elevator operation
It is whole；
Passenger's recognition unit is made up of the detection module of thermal infrared electric transducer, for detecting in lift car whether there is
Passenger, and send detection signal to main control unit；
The standby lighting unit includes lighting lamp group and light sensor, can be in master control when lift car has a power failure
Standby lighting lamp is automatically turned under the control of unit；
The PTT intercommunications unit includes Mike and loudspeaker, speech interface and the WLAN communication units of PTT intercommunication units
Speech interface is connected, and it can play information of voice prompt under the control of main control unit, and can pass through WLAN communication units
Realization is connected with the monitoring computer at distal end elevator monitoring center, realizes and voice call in the elevator monitoring center of distal end；
The WLAN communication units are connected with main control unit, for realizing system with being monitored in the elevator monitoring center of distal end
Data and the voice signal connection of computer；
Described information memory cell is Nonvolatile memory device, for storing information-setting by user and record monitoring alarm letter
Breath；
The CAN interface is the communication interface of above-mentioned each unit and CAN, for entering line number with above-mentioned each unit
According to exchange, obtain in terms of elevator operation for information about and main control unit order；
The stand-by power supply is uninterruption power source, is made up of battery and charge-discharge controller, the output of its power supply
End is connected with each consuming parts in system, when user's elevator power supply has a power failure, and can be powered for system each unit, master control
Unit can control stand-by power supply to carry out automatic charging；
The shell is the discoid box body of ceiling installing type structure, and its positive central part recognizes single equipped with passenger
Member；
The security against fire unit；Including fire-fighting iversion controller, sodium peroxide oxygenerator, infrared smoke sensor device；
Described and elevator operation power control unit, for being controlled to elevator operation power.
The lighting lamp group is made up of multiple LEDs, and it is uniformly mounted to around passenger's recognition unit, for providing
Standby lighting；Light sensor is arranged on the side of passenger's recognition unit, for detecting the brightness value inside lift car.
The Mike is audio pickup device, and it is arranged on the front of shell, and loudspeaker is miniature loudspeaker, and it is installed outside
The front of shell；Mike and loudspeaker are used to realize voice call.
The WLAN communication units are realized using the elevator monitoring center of wireless local area network technology and distal end and connect and transmit
Elevator monitoring data.
According to the embodiment of the present invention, as shown in Figure 2, the elevator operation detection and adaptive adjustment unit
Including combustion adjustment iversion controller, elevator run optimal mapping graph set up module, real-time running state acquisition module, comparison module,
Adaptive adjusting module；The combustion adjustment iversion controller connects real-time running state acquisition module and comparison module respectively, described
Comparison module is also respectively connected with the optimal mapping graph of elevator operation and sets up module and adaptive adjusting module.
The elevator operation detection and adaptive adjustment unit carrying out practically mode are：
The elevator run optimal mapping graph set up module generate and store optimization instantaneous velocity that elevator normally runs-
Time map figure；
Start for the first time until in stopped process, the combustion adjustment iversion controller obtains mould by real-time running state in elevator
Block measures real-time instantaneous velocity-time map figure that elevator is this time run, and by comparison module by the real-time instantaneous velocity-
Time map figure and storage optimization instantaneous velocity-time map figure contrasted, by contrast after：
If the real-time instantaneous velocity-time map figure is with optimizing instantaneous velocity-time map figure indifference, then it is assumed that
Elevator is in optimized running state, does not make adjustment；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, it starts rank
The height of curve of section is significantly lower than the curve for optimizing instantaneous velocity-time map figure startup stage, then by adaptively adjusting
Module by traction electric machine frequency converter correspondence run time section in proportional gain and integration respectively heighten 1 percentage point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, it starts rank
The height of curve of section is apparently higher than the curve for optimizing instantaneous velocity-time map figure startup stage, then by adaptively adjusting
Module by traction electric machine frequency converter correspondence run time section in proportional gain and integration turn down 1 percentage point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, its deceleration rank
The height of curve of section is significantly lower than the curve for optimizing instantaneous velocity-time map figure startup stage or occurs again increasing after V to 0
Greatly, then proportional gain of the traction electric machine frequency converter in correspondence run time section is turned down 1 hundred by adaptive adjusting module
Branch, and integration is heightened 1 percentage point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, its deceleration rank
The height of curve of section is apparently higher than the curve for optimizing instantaneous velocity-time map figure startup stage, then by adaptively adjusting
Proportional gain of the traction electric machine frequency converter in correspondence run time section is heightened 1 percentage point by module, and integration is turned down into 1
Percentage point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, its at the uniform velocity rank
The curve of section have it is obvious it is upper and lower float, then by adaptive adjusting module by traction electric machine frequency converter when correspondence is run
Between proportional gain in section heighten or turn down 1 percentage point, while keeping integration constant；Start in elevator next time until stopping
During, the elevator that combustion adjustment iversion controller is measured by real-time running state acquisition module run it is real-time instantaneous velocity-when
Between mapping graph, if it is starting instantaneous velocity-time map figure opposite position into stopped process with a preceding elevator
Place, curve still has obvious upper and lower floating, then keeps proportional gain constant, integration is turned down into 1 percentage point.
According to the embodiment of the present invention, the elevator operational shock sensing unit includes vibration acquisition module, vibration sense
Survey iversion controller, CAN signal conversion module；
The vibration acquisition module, for gathering the vibration data in running process of elevator, according to vibration-sensing iversion controller
Control command, vibration data is converted into data signal, vibration-sensing iversion controller is sent to；The vibration acquisition module and institute
State the two-way electrical connection of vibration-sensing iversion controller；
The vibration-sensing iversion controller, the work for controlling vibration acquisition module, while to the vibration acquisition mould of reception
The data that block is sent are handled, then are sent to system master unit by CAN signal conversion module, to recognize
Elevator whether failure；The vibration-sensing iversion controller with the CAN signal conversion module is two-way electrically connects；
The CAN signal conversion module, for system master unit bus signals to be converted into vibration-sensing sub-control
The signal that device can be recognized, can be recognized while the signal that vibration-sensing iversion controller is sent is converted into system master unit bus
Signal, realize the seamless connection between elevator operational shock sensing unit and system master unit bus；The CAN letter
Number modular converter with system master unit bus is two-way electrically connects.
The above-mentioned elevator operational shock sensing unit based on elevator controlling bus, wherein, the vibration acquisition module includes：
Three-dimensional running state recognition module, AD conversion unit, shift register group and interface circuit；The three-dimensional running status
The output end of identification module is electrically connected with the input of the AD conversion unit；The output end of the AD conversion unit and institute
State the input electrical connection of shift register group；The output end of the shift register group is connected with the interface circuit, is passed through
Interface circuit is electrically connected with the vibration-sensing iversion controller.
The above-mentioned elevator operational shock sensing unit based on elevator controlling bus, wherein, the vibration-sensing iversion controller bag
Include an acceleration of gravity value record sheet, an interface circuit, a real time acceleration judging unit；The interface circuit shakes with described
The two-way electrical connection of interface circuit of dynamic acquisition module, the output end of the interface circuit and the acceleration of gravity value record sheet
Input of the output end respectively with the real time acceleration judging unit is electrically connected；The output of the real time acceleration judging unit
End respectively with the CAN signal conversion module and cache module is two-way electrically connects.
According to the embodiment of the present invention, the security against fire unit；Including fire-fighting iversion controller, sodium peroxide oxygenerator,
Infrared smoke sensor device, when occurring fiery residence, when layer infrared smoke sensor can be detected when layer disaster state, if state is tight
This layer of elevator is closed during weight, fire-fighting iversion controller is pointing out this floor emergency evacuation to walk other buildings immediately to property and fire protection warning
Layer, lift car internal cutting off is divulged information with extraneous, emergency start sodium peroxide oxygenerator interal supplying oxygen, described in the external world during power-off
Stand-by power supply can also supply elevator complete 10-20 time it is round.
According to the embodiment of the present invention, elevator operation power control unit include high power capacity power memory cell,
Bidirectional DC-DC converter, Power Recovery iversion controller, the first circuit save module, second circuit from damage and save module, Signal Regulation mould from damage
Block, the high power capacity power memory cell, bidirectional DC-DC converter, the first circuit are saved module from damage and are sequentially connected, described two-way
DC-DC converter is saved module from damage with signal-adjusting module and second circuit respectively and is connected, and first circuit saves module from damage and crosses change
Frequency device bus is connected with traction machine, the Power Recovery iversion controller respectively with high power capacity power memory cell, signal-adjusting module,
Second circuit is saved module, frequency converter bus from damage and connected respectively；
Elevator runs power control unit using Power Recovery iversion controller as core, is controlled by the Power Recovery iversion controller two-way
DC-DC converter, the first circuit save module from damage, so that high power capacity power memory cell safely and effectively storage power and to frequency conversion
Device bussed supply, Power Recovery iversion controller break down in the case of second circuit save from damage module rapidly cut off DC-DC become
Parallel operation, reliable protection high power capacity power memory cell, i.e., when elevator is in on-position, if Power Recovery iversion controller is detected
High power capacity power memory cell is not reaching to rated voltage, opens bidirectional DC-DC converter charge circuit, high power capacity power is deposited
Storage unit is charged；When detecting high power capacity power memory cell and charging to rated voltage, cut-out becomes via bi-directional DC-DC
The charge circuit of parallel operation, accesses the first circuit by dump power on frequency converter bus and saves module from damage；When elevator is normally run, if
Power Recovery iversion controller detects high power capacity power memory cell and is in rated voltage, opens bidirectional DC-DC converter and discharges back
Road, traction machine is supplied to by the power on high power capacity power memory cell with constant voltage mode.
The bidirectional DC-DC converter includes the first IGBT module S1, the second insulated gate bipolar
Transistor modular S2, pressure-decreasing type inductance L, the first diode D1, the second diode D2, the first current sensor I1 and the second electric current
Sensor I2, high power capacity power memory cell is connected by the first relay with pressure-decreasing type inductance L, the pressure-decreasing type inductance L and
One current sensor I1 connections, first current sensor I1 is penetrated with the first IGBT module S1 respectively
Pole, the S2 of the second IGBT module colelctor electrode connection, it is double that the first diode D1 is connected in parallel on the first insulated gate
On bipolar transistor module S1 emitter-base bandgap grading and colelctor electrode, first IGBT module S1 colelctor electrode and second
Current sensor I2 connections, the second current sensor I2 saves module from damage with the first circuit and is connected, and the second diode D2 is connected in parallel on
On two IGBT module S2 emitter-base bandgap grading and colelctor electrode, the second IGBT module S2 emitter-base bandgap grading
It is connected to high power capacity power memory cell.
The first IGBT module S1, the second IGBT module S2 are respectively adopted
Diode is connected in parallel, it is ensured that during single insulated gate bipolar transistor work, another is in protected state, is returned by power
The pwm signal of iversion controller is received to control the first IGBT module S1, the second insulated gate bipolar transistor mould
Block S2, changes the first IGBT module S1, the second insulated gate by changing the dutycycle of pwm control signal
Bipolar type transistor module S2 break-make degree, to ensure voltage stabilization during electric discharge, electric current is constant during charging；When frequency converter bus
When being charged to high power capacity power memory cell, the first IGBT module S1 effects, the second diode D2 conductings,
Pressure-decreasing type inductance L reduces impact of the charge power to high power capacity power memory cell, reduces charging voltage；High power capacity power is stored
The voltage hall sensor V1 at unit two ends and the voltage hall sensor V2 at frequency converter bus end are by two in discharge process
Voltage signal feeds back to Power Recovery iversion controller, using pid control algorithm, to ensure the constant output of voltage；Same first electricity
Current parameters are also fed back to Power Recovery iversion controller by flow sensor I1 and the second current sensor I2, it is ensured that electric current it is constant defeated
Enter.
First circuit, which saves module from damage, includes current-limiting resistance R1, solid-state relay, the second relay, bleeder pipe S3, hair
The second current sensor I2 in thermal resistance R2, the bidirectional DC-DC converter is connected to the second relay, and current-limiting resistance R1 is in parallel
At the second relay two ends, solid-state relay is connected with the second relay, and the solid-state relay is connected to bleeder pipe S3 current collection
Pole, bleeder pipe S3 colelctor electrode is simultaneously connected with frequency converter bus, and bleeder pipe S3 emitter-base bandgap grading is connected to the one of heating resistor R2
End, heating resistor R2 other end ground connection；
Second Control starts current-limiting resistance R1, since frequency converter bus charges to high power capacity power memory cell
To setting time, the second relay disconnects all the time, and current-limiting resistance R1 starts, it is ensured that the safe operation of bidirectional DC-DC converter；When
High power capacity power memory cell charges to rated voltage, and elevator still has high voltage still in on-position, frequency converter bus end
When, Power Recovery iversion controller opens bleeder pipe S3, starts heating resistor R2, the dump power at safe release frequency converter bus end.
The second circuit saves comparator, optocoupler TLP521, the logic judging device 74HC20 that module includes being sequentially connected from damage,
The voltage hall sensor V1 at high power capacity power memory cell two ends, the voltage hall sensor V2 at frequency converter bus end, first
Current sensor I1 and the second current sensor I2 measured value are delivered to comparator by signal-adjusting module, if less than setting
Value, second circuit is saved module from damage and is failure to actuate, if higher than setting value, starting second circuit and saving module from damage；Second circuit saves mould from damage
The output signal of block is connected to the nPDPINT interruption in power protection pin and pwm control signal buffer stage of Power Recovery iversion controller
74HC245 signal block controlling switch.When the voltage or electric current in system exceed setting value, protection module starts immediately,
Pwm signal is blocked, the connection between bidirectional DC-DC converter and high power capacity power memory cell and frequency converter bus is cut off, to prevent
System is because of overvoltage or overcurrent damage.
The Power Recovery iversion controller uses DSP-2812, its pin ADCB0 connection signal-adjusting modules, to detect Gao Rong
The voltage hall sensor V1 at power memory cell two ends is measured, pin ADCB1 connection signal-adjusting modules flow through Gao Rong to detect
Measure the first current sensor I1 of power memory cell, pin ADCB2 connection signal-adjusting modules, to detect frequency converter bus two
The voltage hall sensor V2 at end, pin ADCB3 connection signal-adjusting module, to detect the second electric current for flowing through frequency converter bus
Sensor I2, pin PWM1 are exhausted by first in buffer stage 74HC425, optocoupler HCPL3120 access bidirectional DC-DC converter
Edge grid bipolar type transistor module S1, the break-make for the first IGBT module of charging process S1 is controlled；Draw
The second insulated gate bipolar that pin PWM2 is accessed in bidirectional DC-DC converter by buffer stage 74HC425, optocoupler HCPL3120 is brilliant
Body tube module S2, the break-make for the second IGBT module of discharge process S2 is controlled；Pin GPIOA13 is through light
First relay of coupling control connection super capacitor and DC-DC converter, pin GPIOA14 starts current-limiting resistance through optocoupler connection
R1 the second relay；Pin GPIOA15 controls connection frequency converter bus and the solid-state relay of DC-DC converter through optocoupler；
Pin GPIO15B13 controls the first circuit to save the bleed off pipe S3 in module from damage through optocoupler, and the first circuit of control saves the logical of module from damage
It is disconnected.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should the protection model with claim
Enclose and be defined.
Claims (9)
1. a kind of intelligent elevator remote monitoring system, including：Main control unit, passenger's recognition unit, WLAN communication units, elevator fortune
Row state-detection and adaptive adjustment unit, elevator operational shock sensing unit, elevator operation power control unit and CAN are total
Line interface；
The main control unit is the control core of system, and it runs shape with passenger's recognition unit, WLAN communication units, elevator respectively
State is detected and adaptive adjustment unit, elevator operational shock sensing unit, elevator operation power control unit, CAN interface
Be connected, for manipulating above-mentioned each unit with complete including data acquisition, condition adjudgement, information send and intercommunication call including
Control and operation；
The elevator operation detection and adaptive adjustment unit, for adaptively being adjusted to elevator operation；
The elevator operational shock sensing unit is used to gather the vibration data in running process of elevator；
Passenger's recognition unit is made up of the detection module including thermal infrared electric transducer, for detecting in lift car whether there is
Passenger, and send detection signal to main control unit；
The WLAN communication units are connected with main control unit, for realizing that system is calculated with being monitored in the elevator monitoring center of distal end
Data and the voice signal connection of machine；
The CAN interface is the communication interface of above-mentioned each unit and CAN, for carrying out data friendship with above-mentioned each unit
Change, obtain elevator operation in terms of for information about and main control unit order；And
Described and elevator operation power control unit, for being controlled to elevator operation power.
2. a kind of the system as claimed in claim 1, the intelligent elevator remote monitoring system also includes standby lighting unit, institute
State standby lighting unit and main control unit is connected by CAN interface；The standby lighting unit includes lighting lamp group and photosensitive
Sensor, when lift car has a power failure, automatically turns on standby lighting lamp under the control of main control unit.
3. a kind of the system as claimed in claim 1, the intelligent elevator remote monitoring system also includes PTT intercommunication units, institute
State PTT intercommunication units and main control unit is connected by CAN interface；The PTT intercommunications unit includes Mike and loudspeaker, PTT
The speech interface of intercommunication unit is connected with the speech interface of WLAN communication units, and voice is played under the control of main control unit and is carried
Show information, and be connected by the realization of WLAN communication units with the monitoring computer at distal end elevator monitoring center, realized and distal end
Voice call in elevator monitoring center.
4. a kind of the system as claimed in claim 1, the intelligent elevator remote monitoring system also includes information memory cell, institute
State information memory cell and main control unit is connected by CAN interface；Described information memory cell is Nonvolatile memory device, is used
In storage information-setting by user and record monitoring alarm information.
5. a kind of the system as claimed in claim 1, the intelligent elevator remote monitoring system also includes security against fire unit, institute
State security against fire unit and main control unit is connected by CAN interface；The security against fire unit includes fire-fighting iversion controller, peroxide
Change sodium oxygenerator, infrared smoke sensor.
6. a kind of the system as claimed in claim 1, the intelligent elevator remote monitoring system also includes stand-by power supply and shell,
The stand-by power supply connects main control unit by CAN interface；
The stand-by power supply be uninterruption power source, be made up of battery and charge-discharge controller, its power output end with
Each consuming parts in system are connected, when user's elevator power supply has a power failure, and can be powered for system each unit, main control unit
Stand-by power supply can be controlled to carry out automatic charging；
The shell is the discoid box body of ceiling installing type structure, and its positive central part is equipped with passenger's recognition unit.
7. a kind of system as claimed in claim 2, the lighting lamp group is made up of multiple LEDs, it is uniformly mounted to multiply
Around objective recognition unit, for providing standby lighting, light sensor is arranged on the side of passenger's recognition unit, for detecting
Brightness value inside lift car.
8. a kind of the system as claimed in claim 1, the elevator operation detection and adaptive adjustment unit include operation
Adjustment iversion controller, elevator run optimal mapping graph and set up module, real-time running state acquisition module, comparison module, adaptive tune
Mould preparation block；The combustion adjustment iversion controller connects real-time running state acquisition module and comparison module, the comparison module respectively
It is also respectively connected with the optimal mapping graph of elevator operation and sets up module and adaptive adjusting module.
9. a kind of system as claimed in claim 8, the elevator operation detection and adaptive adjustment unit carrying out practically
Mode is：
The optimal mapping graph of the elevator operation sets up module and generates and store optimization instantaneous velocity-time that elevator is normally run
Mapping graph；
Start for the first time until in stopped process, the combustion adjustment iversion controller is surveyed by real-time running state acquisition module in elevator
Real-time instantaneous velocity-time map figure for this time running of elevator, and by comparison module by the real-time instantaneous velocity-time
Mapping graph and storage optimization instantaneous velocity-time map figure contrasted, by contrast after：
If the real-time instantaneous velocity-time map figure is with optimizing instantaneous velocity-time map figure indifference, then it is assumed that elevator
Optimized running state is in, is not made adjustment；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, its startup stage
Height of curve then passes through adaptive adjusting module significantly lower than the curve for optimizing instantaneous velocity-time map figure startup stage
By traction electric machine frequency converter correspondence run time section in proportional gain and integration respectively heighten 1 percentage point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, its startup stage
Height of curve then passes through adaptive adjusting module apparently higher than the curve for optimizing instantaneous velocity-time map figure startup stage
By traction electric machine frequency converter correspondence run time section in proportional gain and integration turn down 1 percentage point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, its decelerating phase
Height of curve is significantly lower than the curve for optimizing instantaneous velocity-time map figure startup stage or occurs again increasing after V to 0, then
Proportional gain of the traction electric machine frequency converter in correspondence run time section is turned down 1 percentage point by adaptive adjusting module,
And integration is heightened 1 percentage point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, its decelerating phase
Height of curve then passes through adaptive adjusting module apparently higher than the curve for optimizing instantaneous velocity-time map figure startup stage
Proportional gain of the traction electric machine frequency converter in correspondence run time section is heightened 1 percentage point, and integration is turned down into 1 percentage
Point；
If the real-time instantaneous velocity-time map figure is compared with optimizing instantaneous velocity-time map figure, its constant velocity stage's
Curve have it is obvious it is upper and lower float, then by adaptive adjusting module by traction electric machine frequency converter in correspondence run time section
1 percentage point is heightened or turned down to interior proportional gain, while keeping integration constant；Start in elevator next time until stopped process
In, the real-time instantaneous velocity-time for the elevator operation that combustion adjustment iversion controller is measured by real-time running state acquisition module reflects
Figure is penetrated, it is bent if it is at the instantaneous velocity-time map figure opposite position started with a preceding elevator into stopped process
Line still has obvious upper and lower floating, then keeps proportional gain constant, integration is turned down into 1 percentage point.
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| CN107473039A (en) * | 2017-09-19 | 2017-12-15 | 滁州博杰科技有限公司 | A kind of elevator power failure emergency and rescue equipment monitoring system |
| CN107673151A (en) * | 2017-11-14 | 2018-02-09 | 合肥奇骏自动化控制有限公司 | A kind of elevator remote monitoring system |
| CN109019216A (en) * | 2018-09-27 | 2018-12-18 | 上海昶屹机电科技有限公司 | Elevator faults intelligent diagnosis system and method |
| CN115064250A (en) * | 2022-06-06 | 2022-09-16 | 大连理工大学 | Method for adjusting distribution of stay in hospital and related product |
| US11597629B2 (en) | 2018-12-27 | 2023-03-07 | Otis Elevator Company | Elevator system operation adjustment based on component monitoring |
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| CN107117510B (en) | 2018-05-29 |
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