CN106115400B - Intelligent elevator safety detecting system and detection method - Google Patents
Intelligent elevator safety detecting system and detection method Download PDFInfo
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- CN106115400B CN106115400B CN201610624499.2A CN201610624499A CN106115400B CN 106115400 B CN106115400 B CN 106115400B CN 201610624499 A CN201610624499 A CN 201610624499A CN 106115400 B CN106115400 B CN 106115400B
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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
- B66B5/0037—Performance analysers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
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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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
- B66B5/0093—Testing of safety devices
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention provides a kind of intelligent elevator safety detecting system and detection methods, including input point acquisition module, displacement acquisition module, human-computer interaction module, data processing module, data storage module and data analysis module；Input point acquisition module, displacement acquisition module, human-computer interaction module connect data processing module；Data processing module connects data storage module；Data analysis module connects data storage module.Intelligent elevator safety detecting system is integrated with velocity of displacement detection in the present invention and input point is detected on one, easy to carry and test；The present invention carries out elevator speed detection using packaged type encoder, when being detected, it only needs to be bonded the race of encoder with steel wire rope in elevator(lift) machine room, when steel wire rope moves, the runner of encoder rotates therewith, the record of displacement is completed, and then speed is calculated according to displacement, displacement and the speed of elevator can be accurately measured to not enter elevator shaft also.
Description
Technical field
The present invention relates to elevator safety detection techniques, and in particular, to a kind of intelligent elevator safety detecting system and inspection
Survey method.
Background technology
With increasing for skyscraper, elevator is more and more common to be present in our life, incident
It is exactly the safety problem of elevator, so the importance for carrying out safety detection to elevator is self-evident.
Many detection projects are directed to elevator displacement distance and elevator controlling in the project of elevator safety detection at present
Device exports the detection of response time.It is usually by carrying out length to the steel wire rope to make marks to the detection of elevator displacement distance
It measures, and to the response time of elevator controlling output, substantially measured using oscillograph.According to current detection side
Method, tester need to carry more equipment, including oscillograph, and survey tool measures line etc., and measures Different field
When, different measuring environments and measuring instrument also result in the inaccurate of measurement result, and some severe test environments also can
The use of test equipment is influenced, such as oscillograph has to use alternating current, and some environment do not allow for；The test at scene
Voltage has a high pressure and low pressure, direct current with exchange, when test, needs that different probes is coordinated to be tested, more inconvenient.
Invention content
For the defects in the prior art, the object of the present invention is to provide a kind of intelligent elevator safety detecting system and inspections
Survey method.
According to intelligent elevator safety detecting system provided by the invention, including input point acquisition module, displacement acquisition mould
Block, human-computer interaction module, data processing module, data storage module and data analysis module；
The input point acquisition module, displacement acquisition module, human-computer interaction module connect the data processing module；
The data processing module connects the data storage module；The data analysis module connects the data and preserves
Module；
Wherein, the input point acquisition module, the output signal for detecting elevator；
The displacement acquisition module, the displacement for detecting elevator and speed；
The human-computer interaction module, for configuration parameter to be arranged, testing process is arranged and checks detecting state；
The data processing module, for being stored in institute after handling the output signal, the speed and the displacement
State data storage module；
The data analysis module is used for output signal, the speed and the displacement in the data storage module
It is analyzed.
Preferably, the input point acquisition module includes adaptive voltage range detection circuit and signal input；
Wherein, the adaptive voltage range detection circuit connects the data processing module；The adaptive voltage model
The connecting terminal J1 for enclosing detection circuit is arranged in the signal input.
Preferably, the displacement acquisition module includes high speed encoder signal acquisition circuit, encoder interfaces and coding
Device；
The high speed encoder signal acquisition circuit connects the data processing module；The high speed encoder signal acquisition
The connecting terminal J12 of circuit is arranged in the encoder interfaces；
The encoder connects the high speed encoder signal acquisition circuit by the encoder interfaces.
Preferably, the human-computer interaction module uses touch screen display screen；
The data processing module uses CPU；
The data analysis module uses upper computer software；
The data storage module uses SD card.
Preferably, the quantity of the input point acquisition module is multiple.
Preferably, the output signal includes that the brake output signal of elevator control cabinet, the band-type brake of elevator internal contracting brake device are defeated
Go out signal, elevator control cabinet flat bed signal and door lock signal, accidental movement protective device brake output signal；
Preferably, the adaptive voltage range detection circuit includes connecting terminal J1, resistance R1, diode D1, filtering
Capacitance EC1, voltage changing module U1, filter capacitor EC3, filter capacitor EC2, resistance R3, resistance R2, capacitance C1, optocoupler U2, resistance
R4, light emitting diode D2, resistance R5 and resistance R6；
One end of the first end connection resistance R1 of connecting terminal J1, the anode of the other end connection diode D1 of resistance R1,
The anode of the cathode connection filter capacitor EC1 of diode D1, the ends IN of voltage changing module U1；
Cathode, the ends GND of voltage changing module U1, the filter capacitor EC3 of the third end connection filter capacitor EC1 of connecting terminal J1
Cathode；
One end of the OUT terminal connection resistance R6 of voltage changing module U1, the anode of filter capacitor EC2, one end of resistance R2, capacitance
One end of C1, the first end of optocoupler U2；The ends Cin of voltage changing module U1 connect the anode of the filter capacitor EC3, the filtered electrical
Hold the other end of cathode connection resistance R6 of EC3, one end of the cathode of filter capacitor EC2, resistance R3；The other end of resistance R3 connects
The second end of the other end of connecting resistance R3, the other end of capacitance C1, optocoupler U2；
The 4th end connection VCC power ends of optocoupler U2, one end of third end connection resistance R4, light emitting diode D2 are just
Pole, the data processing module；The other end of resistance R4, the cathode of light emitting diode D2 are grounded by resistance R5.
Preferably, the high speed encoder signal acquisition circuit includes connecting terminal J12, resistance R67, resistance R68, resistance
R69, resistance R70, high speed photo coupling U24, high speed photo coupling U25, resistance R65, resistance R66, resistance R71, resistance R72, Schmidt are anti-
To device U23, Schmidt reverser U26, light emitting diode D21, light emitting diode D22, self-recovery fuse PT1 and capacitance
C31；
One end of the first end connection self-recovery fuse PT1 of connecting terminal J12, one end of capacitance C31, self- recoverage insurance
The other end of silk PT1 connects power end, the other end ground connection of capacitance C31；
The second end of connecting terminal J12 is grounded；
One end of the third end connection resistance R68 of connecting terminal J12, one end other end of resistance R68 connect high speed photo coupling
The third end of U24；One end of resistance R67 connects power end, the first end of the other end connection high speed photo coupling U24 of resistance R67；It is high
The 4th end of fast optocoupler U24, the ends the GND ground connection of Schmidt's reverser U23；The 5th end connection Schmidt of high speed photo coupling U24 is anti-
To the ends IN of device U23, one end of resistance R65；The 6th end of high speed photo coupling U24, the other end of resistance R65 connect VCC power ends；
The anode connection VCC power ends of light emitting diode D21, cathode connect one end of resistance R66；The ends VCC of Schmidt's reverser U23
VCC power ends are connected, OUT terminal connects data processing module；The other end of resistance R66 connects data processing module；
One end of the 4th end connection resistance R70 of connecting terminal J12, the other end connection high speed photo coupling U25's of resistance R70
Third end；One end of resistance R69 connects power end, the first end of the other end connection high speed photo coupling U25 of resistance R69；High-speed light
The 4th end of coupling U25, the ends the GND ground connection of Schmidt's reverser U26；The 5th end of high speed photo coupling U25 connects Schmidt's reverser
The ends IN of U23, one end of resistance R71；The 6th end of high speed photo coupling U25, the other end of resistance R71 connect VCC power ends；It shines
The anode connection VCC power ends of diode D22, cathode connect one end of resistance R72；The ends VCC of Schmidt's reverser U23 connect
VCC power ends, OUT terminal connect data processing module；The other end of resistance R72 connects data processing module.
Preferably, the data storage module storage data include the following steps：
The detection data of the input point acquisition module and the displacement acquisition module is stored according to the preset period
In memory, and then stored into storage card according to configuration file after detection data is handled by redundant arithmetic.
Preferably, include the following steps when the data analysis module analyzes detection data：
Step A1：The corresponding configuration file of detection data is obtained, the testing number of storage is then parsed according to configuration file
According to；
Step A2：The data restored are displayed on the screen by LABVIEW components according to time shaft；
Step A3：When selecting two cursors, the detection data between two cursors is calculated into highest by integral algorithm
Acceleration and average acceleration.
Intelligent elevator safety detection method provided by the invention, using the intelligent elevator safety detecting system,
Include the following steps：
Step S1：The one input point acquisition module is accessed to the band-type brake closure signal delivery outlet of elevator internal contracting brake device, inspection
Survey the band-type brake closure signal of elevator internal contracting brake device；
Step S2：The displacement of elevator wire rope is detected by the displacement acquisition module；
Step S3：When elevator emergency stop, when band-type brake is closed, band-type brake is closed output signal and elevator by the data processing module
The displacement of steel wire rope is stored in the data storage module；
Step S4：Data analysis module goes out to work as elevator internal contracting brake according to band-type brake closure signal and the Displacement Analysis of elevator wire rope
The distance that elevator wire rope moves after closure.
Intelligent elevator safety detection method provided by the invention, using the intelligent elevator safety detecting system,
Include the following steps：
Step S1：The one input point acquisition module is accessed to the band-type brake closure signal delivery outlet of elevator internal contracting brake device, inspection
Survey the band-type brake closure signal of elevator internal contracting brake device；Another input point acquisition module is accessed to the braking output of elevator control cabinet
Signal port detects the brake output signal of elevator；
Step S2：When elevator emergency stop, when band-type brake is closed, band-type brake closure signal, band-type brake are closed by the data processing module
Signal corresponding brake time, brake output signal and the corresponding braking time of brake output signal are stored in the data and preserve
Module；
Step S3：Data analysis module is according to band-type brake closure signal, band-type brake closure signal state corresponding brake time, braking
Output signal and the corresponding braking time of brake output signal analyze between brake output signal and band-type brake closure signal when
Between it is poor.
Intelligent elevator safety detection method provided by the invention, using the intelligent elevator safety detecting system,
Include the following steps：
Step S1：The flat bed signal port that the one input point acquisition module is accessed to elevator control cabinet detects the flat of elevator
Layer output signal；The door lock signal mouth that another input point acquisition module is accessed to elevator control cabinet, detects the door lock of elevator
Output signal；Another input point acquisition module is accessed to the brake output signal mouth of accidental movement protective device, detection system
Dynamic output signal；
Step S2：The displacement of elevator wire rope is detected by the displacement acquisition module；
Step S3：When elevator is when any flat bed is in door opening state, disconnection flat bed signal, the data processing module will
Flat bed output signal, flat bed output signal corresponding time, door lock output signal, door lock output signal corresponding time, braking
Output signal port, the displacement of brake output signal mouth corresponding time, elevator wire rope are stored in the data storage module；
Step S4：Data analysis module is according to flat bed output signal, flat bed output signal corresponding time, door lock output letter
Number, the door lock output signal corresponding time, brake output signal mouth, the brake output signal mouth corresponding time, elevator wire rope
Displacement Analysis go out flat bed signal disconnect when, flat bed signal disconnect with accidental movement protective device send out brake output signal when
Between difference and accidental movement protective device send out the distance that elevator wire rope moves after brake output signal.
Compared with prior art, the present invention has following advantageous effect：
1, intelligent elevator safety detecting system is integrated with velocity of displacement detection in the present invention and input point is detected on one,
Easy to carry and test；
2, the present invention carries out elevator speed detection using packaged type encoder, when being detected, it is only necessary in elevator
The race of encoder is bonded with steel wire rope in computer room, when steel wire rope moves, the runner of encoder rotates therewith, and completes displacement
Record, and then speed is calculated according to displacement, can accurately measure to not entering elevator shaft also elevator displacement and
Speed；
3, intelligent elevator safety detecting system of the present invention to test point voltage can test scope it is very wide, need not increase
It can be detected in the case of adding extra conversion equipment；
4, the present invention is by upper computer software multi-angular analysis data, and more intuitive easy, profession is efficiently；
5, application range of the present invention is relatively broad, including the lift facilities such as vertical ladder and staircase, and the present invention is provided with mobile electricity
Source can use in any severe detection environment in inside and record data.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural diagram of the present invention；
Fig. 2 (a) is the structural schematic diagram of bottom circuit in the present embodiment；
Fig. 2 (b) is the structural schematic diagram of surface layer operation panel in the present embodiment；
Fig. 3 is the schematic diagram of adaptive voltage range detection circuit in the present invention；
Fig. 4 is the schematic diagram of high speed code device signal Acquisition Circuit of the present invention；
Fig. 5 is detects schematic diagram of the present invention to steel wire rope and elevator internal contracting brake device；
Fig. 6 is detects schematic diagram of the present invention to elevator control cabinet and elevator internal contracting brake device；
Fig. 7 is detects schematic diagram of the present invention to steel wire rope, elevator control cabinet and accidental movement protective device.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
In the present embodiment, intelligent elevator safety detecting system provided by the invention, including input point acquisition module, position
Move acquisition module, human-computer interaction module, data processing module, data storage module and data analysis module；
The input point acquisition module, displacement acquisition module, human-computer interaction module connect the data processing module；
The data processing module connects the data storage module；The data analysis module connects the data and preserves
Module；
Wherein, the input point acquisition module, the output signal for detecting elevator；
The displacement acquisition module, the displacement for detecting elevator and speed；
The human-computer interaction module, for configuration parameter to be arranged, testing process is arranged and checks detecting state；
The data processing module, for being stored in institute after handling the output signal, the speed and the displacement
State data storage module；
The data analysis module is used for output signal, the speed and the displacement in the data storage module
It is analyzed.
The input point acquisition module includes adaptive voltage range detection circuit and signal input；
Wherein, the adaptive voltage range detection circuit connects the data processing module；The adaptive voltage model
The connecting terminal J1 for enclosing detection circuit is arranged in the signal input.
The displacement acquisition module includes high speed encoder signal acquisition circuit, encoder interfaces and encoder；
The high speed encoder signal acquisition circuit connects the data processing module；The high speed encoder signal acquisition
The connecting terminal J12 of circuit is arranged in the encoder interfaces；
The encoder connects the high speed encoder signal acquisition circuit by the encoder interfaces.
The human-computer interaction module uses touch screen display screen；
The data processing module uses CPU；
The data analysis module uses upper computer software；
The data storage module uses SD card.
The output signal include the brake output signal of elevator control cabinet, elevator internal contracting brake device band-type brake output signal,
The flat bed signal and door lock signal of elevator control cabinet, the brake output signal of accidental movement protective device；
The adaptive voltage range detection circuit include connecting terminal J1, resistance R1, diode D1, filter capacitor EC1,
Voltage changing module U1, filter capacitor EC3, filter capacitor EC2, resistance R3, resistance R2, capacitance C1, optocoupler U2, resistance R4, luminous two
Pole pipe D2, resistance R5 and resistance R6；
One end of the first end connection resistance R1 of connecting terminal J1, the anode of the other end connection diode D1 of resistance R1,
The anode of the cathode connection filter capacitor EC1 of diode D1, the ends IN of voltage changing module U1；
Cathode, the ends GND of voltage changing module U1, the filter capacitor EC3 of the third end connection filter capacitor EC1 of connecting terminal J1
Cathode；
One end of the OUT terminal connection resistance R6 of voltage changing module U1, the anode of filter capacitor EC2, one end of resistance R2, capacitance
One end of C1, the first end of optocoupler U2；The ends Cin of voltage changing module U1 connect the anode of the filter capacitor EC3, the filtered electrical
Hold the other end of cathode connection resistance R6 of EC3, one end of the cathode of filter capacitor EC2, resistance R3；The other end of resistance R3 connects
The second end of the other end of connecting resistance R3, the other end of capacitance C1, optocoupler U2；
The 4th end connection VCC power ends of optocoupler U2, one end of third end connection resistance R4, light emitting diode D2 are just
Pole, the data processing module；The other end of resistance R4, the cathode of light emitting diode D2 are grounded by resistance R5.
Resistance R1 and diode D1 forms rectification function, and measured signal is depressured by voltage changing module U1, filter capacitor EC2 with
Filter capacitor EC3 decouplings act on, and are divided by resistance R2 resistance and R3, and the voltage of measured signal is become the detectable of optocoupler U2
Range, optocoupler U2 output signals pass in CPU, while light emitting diode D2 is used to observe the variation of voltage.Resistance R6 is one
No matter discharge resistance, detect AC signal or DC power signal, and resistance R6 can rapidly and efficiently discharge that there are in capacitance
Electricity improves the reliability of signal.
The high speed encoder signal acquisition circuit includes connecting terminal J12, resistance R67, resistance R68, resistance R69, electricity
Hinder R70, high speed photo coupling U24, high speed photo coupling U25, resistance R65, resistance R66, resistance R71, resistance R72, Schmidt's reverser
U23, Schmidt reverser U26, light emitting diode D21, light emitting diode D22, self-recovery fuse PT1 and capacitance C31；
One end of the first end connection self-recovery fuse PT1 of connecting terminal J12, one end of capacitance C31, self- recoverage insurance
The other end of silk PT1 connects power end, the other end ground connection of capacitance C31；
The second end of connecting terminal J12 is grounded；
One end of the third end connection resistance R68 of connecting terminal J12, one end other end of resistance R68 connect high speed photo coupling
The third end of U24；One end of resistance R67 connects power end, the first end of the other end connection high speed photo coupling U24 of resistance R67；It is high
The 4th end of fast optocoupler U24, the ends the GND ground connection of Schmidt's reverser U23；The 5th end connection Schmidt of high speed photo coupling U24 is anti-
To the ends IN of device U23, one end of resistance R65；The 6th end of high speed photo coupling U24, the other end of resistance R65 connect VCC power ends；
The anode connection VCC power ends of light emitting diode D21, cathode connect one end of resistance R66；The ends VCC of Schmidt's reverser U23
VCC power ends are connected, OUT terminal connects data processing module；The other end of resistance R66 connects data processing module；
One end of the 4th end connection resistance R70 of connecting terminal J12, the other end connection high speed photo coupling U25's of resistance R70
Third end；One end of resistance R69 connects power end, the first end of the other end connection high speed photo coupling U25 of resistance R69；High-speed light
The 4th end of coupling U25, the ends the GND ground connection of Schmidt's reverser U26；The 5th end of high speed photo coupling U25 connects Schmidt's reverser
The ends IN of U23, one end of resistance R71；The 6th end of high speed photo coupling U25, the other end of resistance R71 connect VCC power ends；It shines
The anode connection VCC power ends of diode D22, cathode connect one end of resistance R72；The ends VCC of Schmidt's reverser U23 connect
VCC power ends, OUT terminal connect data processing module；The other end of resistance R72 connects data processing module.
Resistance R67, resistance R69 connection+15V power ends, R68, R70 connect code device signal A and code device signal B, when
When code device signal is low, for open state, resistance R65 and resistance R71 are decompression electricity by high speed photo coupling U24, high speed photo coupling U25
The voltage difference of resistance, output is VCC-I*R65, and output voltage enters the ends IN of Schmidt's reverser U23, Schmidt's reverser U26,
Voltage enters Schmidt's reverser U23, signal reverse process is played the role of buffering by Schmidt's reverser U26, makes
Signal is from voltage enters Schmidt's reverser U23, the OUT terminal of Schmidt's reverser U26 exports signal to CPU, light-emitting diodes
Pipe D21 and light emitting diode D22 is used to observe the variable condition of code device signal.
The data storage module storage data include the following steps：
The detection data of the input point acquisition module and the displacement acquisition module is stored according to the preset period
In memory, and then stored into storage card according to configuration file after detection data is handled by redundant arithmetic.
Configuration file is set before testing by user, is ensured the reliability of the uniqueness and data of data storage, is being used
Upper computer software can also be read when reading detection data according to the setting of configuration file, also improve the efficiency of reading and accurate
Degree.
The data analysis module includes the following steps when analyzing detection data：
Step A1：The corresponding configuration file of detection data is obtained, the testing number of storage is then parsed according to configuration file
According to；
Step A2：The data restored are displayed on the screen by LABVIEW components according to time shaft；
Step A3：When selecting two cursors, the detection data between two cursors is calculated into highest by integral algorithm
Acceleration and average acceleration.
Configuration file contains the information of detection data, such as detection time, detection pattern, size of data；Then according to not
With configuration file parse the data of storage, ensure that the curve error that shows is 0.Which can will be surveyed under complex situations
The data tried out reliably restore.
Intelligent elevator safety detection method provided by the invention, using the intelligent elevator safety detecting system,
Include the following steps：
Step S1：The one input point acquisition module is accessed to the band-type brake closure signal delivery outlet of elevator internal contracting brake device, inspection
Survey the band-type brake closure signal of elevator internal contracting brake device；
Step S2：The displacement of elevator wire rope is detected by the displacement acquisition module；
Step S3：When elevator emergency stop, when band-type brake is closed, band-type brake is closed output signal and elevator by the data processing module
The displacement of steel wire rope is stored in the data storage module；
Step S4：Data analysis module goes out to work as elevator internal contracting brake according to band-type brake closure signal and the Displacement Analysis of elevator wire rope
The distance that elevator wire rope moves after closure.
Intelligent elevator safety detection method provided by the invention, using the intelligent elevator safety detecting system,
Include the following steps：
Step S1：The one input point acquisition module is accessed to the band-type brake closure signal delivery outlet of elevator internal contracting brake device, inspection
Survey the band-type brake closure signal of elevator internal contracting brake device；Another input point acquisition module is accessed to the braking output of elevator control cabinet
Signal port detects the brake output signal of elevator；
Step S2：When elevator emergency stop, when band-type brake is closed, band-type brake closure signal, band-type brake are closed by the data processing module
Signal corresponding brake time, brake output signal and the corresponding braking time of brake output signal are stored in the data and preserve
Module；
Step S3：Data analysis module is according to band-type brake closure signal, band-type brake closure signal state corresponding brake time, braking
Output signal and the corresponding braking time of brake output signal analyze between brake output signal and band-type brake closure signal when
Between it is poor.
Intelligent elevator safety detection method provided by the invention, using the intelligent elevator safety detecting system,
Include the following steps：
Step S1：The flat bed signal port that the one input point acquisition module is accessed to elevator control cabinet detects the flat of elevator
Layer output signal；The door lock signal mouth that another input point acquisition module is accessed to elevator control cabinet, detects the door lock of elevator
Output signal；Another input point acquisition module is accessed to the brake output signal mouth of accidental movement protective device, detection system
Dynamic output signal；
Step S2：The displacement of elevator wire rope is detected by the displacement acquisition module；
Step S3：When elevator is when any flat bed is in door opening state, disconnection flat bed signal, the data processing module will
Flat bed output signal, flat bed output signal corresponding time, door lock output signal, door lock output signal corresponding time, braking
Output signal port, the displacement of brake output signal mouth corresponding time, elevator wire rope are stored in the data storage module；
Step S4：Data analysis module is according to flat bed output signal, flat bed output signal corresponding time, door lock output letter
Number, the door lock output signal corresponding time, brake output signal mouth, the brake output signal mouth corresponding time, elevator wire rope
Displacement Analysis go out flat bed signal disconnect when, flat bed signal disconnect with accidental movement protective device send out brake output signal when
Between difference and accidental movement protective device send out the distance that elevator wire rope moves after brake output signal.
Intelligent elevator safety detecting system provided by the invention can be detected the elevator of variety classes and model, inspection
Examining system uses the hardware In-put design of voltage adaptive, can detect alternating voltage or DC voltage, the detection range of voltage
15V~380V, use is direct current 24V and exchange 110V, intelligent elevator provided by the invention due to more in elevator device
The applicable various working of safety detecting system, does not need to external conversion equipment.Packaged type encoder detects in the present invention
Module is used to acquire the distance of elevator wire rope operation, and calculates the speed of elevator operation.By elevator internal contracting brake in detection process
The output state of device, flat bed inductor, door interlock switch, elevator control cabinet etc. is preserved to data storage module.
The present invention, which is provided with, is applicable in mating dedicated analysis software to parse data, and analysis software uses image processing method
The rate curve of elevator and output state are come out in the same interface display, every input channel represents an input port,
It can show or shield any one input channel.Cursor button has also been devised in analysis software, can show two vertical void
The speed meeting real-time display of line, every dotted line position comes out；Using the algorithm of calculus, two cursors of real-time display it
Between elevator displacement distance and two cursor times time difference, the accuracy of distance is 1mm, and the accuracy of time difference is 1ms,
Amplification and mobile plug-in unit are also used simultaneously, visual curve amount can be amplified to maximum accuracy, preferably to go to measure
And observation.Electricity in the time difference of elevator output state change can be very easily measured using dotted line cursor and the mobile plug-in unit of amplification
The various required time differences and distance such as the displacement distance of ladder, to establish a kind of efficient detection method.
When using intelligent elevator safety detecting system provided by the invention, when detecting the safety of elevator, it is not required to
It to go to detect using plurality of devices, carrying is more convenient, and detection method is also more easy, and data accuracy can also be set with import
It is standby to compare；Speed and the displacement for measuring elevator are more convenient, need not be made marks into hoistway or to steel wire rope to measure；Make
The voltage that any conversion equipment exports electric life controller can not be had to intelligent elevator safety detecting system provided by the invention
There are the very wide test scope, test scope to be：15V-380V AC/DC, it is more convenient and effective relative to general oscillograph,
His oscillograph needs to coordinate different probes according to different voltage；The present invention has professional and complete upper computer software, to elevator
Secure data analysis is more more professional than oscillograph；Present invention detection is applied widely.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (11)
1. a kind of intelligent elevator safety detecting system, which is characterized in that including input point acquisition module, displacement acquisition module,
Human-computer interaction module, data processing module, data storage module and data analysis module；
The input point acquisition module, displacement acquisition module, human-computer interaction module connect the data processing module；
The data processing module connects the data storage module；The data analysis module connects the data and preserves mould
Block；
Wherein, the input point acquisition module, the output signal for detecting elevator；
The displacement acquisition module, the displacement for detecting elevator and speed；
The human-computer interaction module, for configuration parameter to be arranged, testing process is arranged and checks detecting state；
The data processing module, for being stored in the number after handling the output signal, the speed and the displacement
According to preserving module；
The data analysis module, for carrying out output signal, the speed and the displacement in the data storage module
Analysis；
The input point acquisition module includes adaptive voltage range detection circuit and signal input；
Wherein, the adaptive voltage range detection circuit connects the data processing module；The adaptive voltage range inspection
The connecting terminal J1 of slowdown monitoring circuit is arranged in the signal input；
The adaptive voltage range detection circuit includes connecting terminal J1, resistance R1, diode D1, filter capacitor EC1, transformation
Module U1, filter capacitor EC3, filter capacitor EC2, resistance R3, resistance R2, capacitance C1, optocoupler U2, resistance R4, light emitting diode
D2, resistance R5 and resistance R6；
One end of the first end connection resistance R1 of connecting terminal J1, the anode of the other end connection diode D1 of resistance R1, two poles
The anode of the cathode connection filter capacitor EC1 of pipe D1, the ends IN of voltage changing module U1；
The cathode of third end connection filter capacitor EC1 of connecting terminal J1, the ends GND of voltage changing module U1, filter capacitor EC3 it is negative
Pole；
One end of the OUT terminal connection resistance R6 of voltage changing module U1, the anode of filter capacitor EC2, one end of resistance R2, capacitance C1
One end, optocoupler U2 first end；The ends Cin of voltage changing module U1 connect the anode of the filter capacitor EC3, the filter capacitor
The other end of cathode connection resistance R6 of EC3, one end of the cathode of filter capacitor EC2, resistance R3；The other end of resistance R3 connects
The second end of the other end of resistance R3, the other end of capacitance C1, optocoupler U2；
The 4th end connection VCC power ends of optocoupler U2, one end of third end connection resistance R4, the anode of light emitting diode D2, institute
State data processing module；The other end of resistance R4, the cathode of light emitting diode D2 are grounded by resistance R5.
2. intelligent elevator safety detecting system according to claim 1, which is characterized in that the displacement acquisition module packet
Include high speed encoder signal acquisition circuit, encoder interfaces and encoder；
The high speed encoder signal acquisition circuit connects the data processing module；The high speed encoder signal acquisition circuit
Connecting terminal J12 be arranged in the encoder interfaces；
The encoder connects the high speed encoder signal acquisition circuit by the encoder interfaces.
3. intelligent elevator safety detecting system according to claim 1, which is characterized in that
The human-computer interaction module uses touch screen display screen；
The data processing module uses CPU；
The data analysis module uses upper computer software；
The data storage module uses SD card.
4. intelligent elevator safety detecting system according to claim 1, which is characterized in that the input point acquisition module
Quantity be it is multiple.
5. intelligent elevator safety detecting system according to claim 1, which is characterized in that the output signal includes electricity
The flat bed signal and door lock of the brake output signal of terraced switch board, the band-type brake output signal of elevator internal contracting brake device, elevator control cabinet
The brake output signal of signal, accidental movement protective device.
6. intelligent elevator safety detecting system according to claim 2, which is characterized in that the high speed encoder signal
Acquisition Circuit includes connecting terminal J12, resistance R67, resistance R68, resistance R69, resistance R70, high speed photo coupling U24, high speed photo coupling
U25, resistance R65, resistance R66, resistance R71, resistance R72, Schmidt's reverser U23, Schmidt reverser U26, light-emitting diodes
Pipe D21, light emitting diode D22, self-recovery fuse PT1 and capacitance C31；
One end of the first end connection self-recovery fuse PT1 of connecting terminal J12, one end of capacitance C31, self-recovery fuse
The other end of PT1 connects power end, the other end ground connection of capacitance C31；
The second end of connecting terminal J12 is grounded；
One end of the third end connection resistance R68 of connecting terminal J12, one end other end connection high speed photo coupling U24's of resistance R68
Third end；One end of resistance R67 connects power end, the first end of the other end connection high speed photo coupling U24 of resistance R67；High-speed light
The 4th end of coupling U24, the ends the GND ground connection of Schmidt's reverser U23；The 5th end of high speed photo coupling U24 connects Schmidt's reverser
The ends IN of U23, one end of resistance R65；The 6th end of high speed photo coupling U24, the other end of resistance R65 connect VCC power ends；It shines
The anode connection VCC power ends of diode D21, cathode connect one end of resistance R66；The ends VCC of Schmidt's reverser U23 connect
VCC power ends, OUT terminal connect data processing module；The other end of resistance R66 connects data processing module；
One end of the 4th end connection resistance R70 of connecting terminal J12, the third of the other end connection high speed photo coupling U25 of resistance R70
End；One end of resistance R69 connects power end, the first end of the other end connection high speed photo coupling U25 of resistance R69；High speed photo coupling U25
The 4th end, Schmidt's reverser U26 the ends GND ground connection；The 5th end connection Schmidt's reverser U23's of high speed photo coupling U25
The ends IN, resistance R71 one end；The 6th end of high speed photo coupling U25, the other end of resistance R71 connect VCC power ends；Light-emitting diodes
The anode connection VCC power ends of pipe D22, cathode connect one end of resistance R72；The ends VCC of Schmidt's reverser U23 connect VCC
Power end, OUT terminal connect data processing module；The other end of resistance R72 connects data processing module.
7. intelligent elevator safety detecting system according to claim 1, which is characterized in that the data storage module is deposited
Storage data include the following steps：
The detection data of the input point acquisition module and the displacement acquisition module is stored in memory according to the preset period
In, and then stored into storage card according to configuration file after detection data is handled by redundant arithmetic.
8. intelligent elevator safety detecting system according to claim 7, which is characterized in that the data analysis module pair
Include the following steps when detection data is analyzed：
Step A1：The corresponding configuration file of detection data is obtained, the detection data of storage is then parsed according to configuration file；
Step A2：The data restored are displayed on the screen by LABVIEW components according to time shaft；
Step A3：When selecting two cursors, the detection data between two cursors is calculated into highest by integral algorithm and is accelerated
Degree and average acceleration.
9. a kind of intelligent elevator safety detection method, which is characterized in that using claim 1 to 8 any one of them intelligence
Type elevator safety detecting system, includes the following steps：
Step S1：The one input point acquisition module is accessed to the band-type brake closure signal delivery outlet of elevator internal contracting brake device, detection electricity
The band-type brake closure signal of terraced band brake apparatus；
Step S2：The displacement of elevator wire rope is detected by the displacement acquisition module；
Step S3：When elevator emergency stop, when band-type brake is closed, band-type brake is closed output signal and elevator steel wire by the data processing module
The displacement of rope is stored in the data storage module；
Step S4：Data analysis module goes out according to the Displacement Analysis of band-type brake closure signal and elevator wire rope when elevator internal contracting brake is closed
The distance of elevator wire rope movement afterwards.
10. a kind of intelligent elevator safety detection method, which is characterized in that using claim 1 to 8 any one of them intelligence
Type elevator safety detecting system, includes the following steps：
Step S1：The one input point acquisition module is accessed to the band-type brake closure signal delivery outlet of elevator internal contracting brake device, detection electricity
The band-type brake closure signal of terraced band brake apparatus；Another input point acquisition module is accessed to the brake output signal of elevator control cabinet
Mouthful, detect the brake output signal of elevator；
Step S2：When elevator emergency stop, when band-type brake is closed, the data processing module is by band-type brake closure signal, band-type brake closure signal
Corresponding brake time, brake output signal and the corresponding braking time of brake output signal are stored in the data and preserve mould
Block；
Step S3：Data analysis module is exported according to band-type brake closure signal, band-type brake closure signal state corresponding brake time, braking
Signal and the corresponding braking time of brake output signal analyze the time difference between brake output signal and band-type brake closure signal.
11. a kind of intelligent elevator safety detection method, which is characterized in that using claim 1 to 8 any one of them intelligence
Type elevator safety detecting system, includes the following steps：
Step S1：The one input point acquisition module is accessed to the flat bed signal port of elevator control cabinet, the flat bed for detecting elevator is defeated
Go out signal；The door lock signal mouth that another input point acquisition module is accessed to elevator control cabinet detects the door lock output of elevator
Signal；Another input point acquisition module is accessed to the brake output signal mouth of accidental movement protective device, detection braking is defeated
Go out signal；
Step S2：The displacement of elevator wire rope is detected by the displacement acquisition module；
Step S3：When elevator is when any flat bed is in door opening state, flat bed signal is disconnected, the data processing module is by flat bed
Output signal, flat bed output signal corresponding time, door lock output signal, door lock output signal corresponding time, braking output
Signal port, the displacement of brake output signal mouth corresponding time, elevator wire rope are stored in the data storage module；
Step S4：Data analysis module according to flat bed output signal, the flat bed output signal corresponding time, door lock output signal,
The door lock output signal corresponding time, brake output signal mouth, the brake output signal mouth corresponding time, elevator wire rope position
When shifting analyzes the disconnection of flat bed signal, flat bed signal disconnects the time difference that brake output signal is sent out with accidental movement protective device
And accidental movement protective device sends out the distance of elevator wire rope movement after brake output signal.
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| CN107879215A (en) * | 2017-10-31 | 2018-04-06 | 浙江升航电子科技有限公司 | A kind of band-type brake security monitoring circuit and method |
| CN109319620A (en) * | 2018-09-21 | 2019-02-12 | 上海光华国瑞物联网信息科技有限公司 | A kind of system and application method of plant maintenance periodic scheduling |
| CN109292569A (en) * | 2018-09-21 | 2019-02-01 | 上海光华国瑞物联网信息科技有限公司 | A kind of testing and analysis system and analysis method of lift facility failure rate |
| CN110271933A (en) * | 2019-07-31 | 2019-09-24 | 王勇 | A kind of elevator limit switch detection method and its system |
| CN111874771A (en) * | 2020-08-11 | 2020-11-03 | 广东省特种设备检测研究院 | Elevator car accidental movement protection device testing system and method |
| CN111908283A (en) * | 2020-08-11 | 2020-11-10 | 广东省特种设备检测研究院 | Response time detection device and method for elevator car accidental movement protection device |
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