CN106115400A - Intelligent elevator safety detecting system and detection method - Google Patents
Intelligent elevator safety detecting system and detection method Download PDFInfo
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- CN106115400A CN106115400A CN201610624499.2A CN201610624499A CN106115400A CN 106115400 A CN106115400 A CN 106115400A CN 201610624499 A CN201610624499 A CN 201610624499A CN 106115400 A CN106115400 A CN 106115400A
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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
-
- 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 invention provides a kind of Intelligent elevator safety detecting system and detection method, 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.In the present invention, Intelligent elevator safety detecting system is integrated with velocity of displacement detection and input point is detected on one, it is simple to carries and tests；The present invention uses packaged type encoder to carry out elevator speed detection, when detecting, only need to be fitted with steel wire rope by the race of encoder in elevator(lift) machine room, when steel wire rope moves, the runner concomitant rotation of encoder, complete the record of displacement, and then calculate speed according to displacement meter, thus do not enter elevator hoistways and also can measure displacement and the speed of elevator accurately.
Description
Technical field
The present invention relates to elevator safety detection technique, in particular it relates to a kind of Intelligent elevator safety detecting system and inspection
Survey method.
Background technology
Along with increasing of skyscraper, elevator is the most increasingly prevalent in the middle of our life, incident
It is exactly the safety problem of elevator, so the importance that elevator carries out safety detection is self-evident.
In the project of elevator safety detection at present, many detection projects are directed to elevator displacement and elevator controlling
The detection of device output response time.The generally detection to elevator displacement is by the steel wire rope made marks is carried out length
Measure, and the response time to elevator controlling output, substantially use oscillograph to measure.According to current detection side
Method, tester needs to carry more equipment, including oscillograph, survey tool, measures line etc., and measures Different field
Time, different measurement environment and measuring instrument also result in the inaccuracy of measurement result, and some severe test environment also can
Have influence on the use of test instrunment, such as oscillograph and have to use alternating current, and some environment does not allows for；On-the-spot test
Voltage has high pressure and low pressure, direct current with exchange, need during test to coordinate different probes to test, more inconvenience.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide a kind of Intelligent elevator safety detecting system and inspection
Survey method.
The Intelligent elevator safety detecting system provided according to the present invention, including input point acquisition module, displacement acquisition mould
Block, human-computer interaction module, data processing module, data storage module and data analysis module；
Described input point acquisition module, displacement acquisition module, human-computer interaction module connect described data processing module；
Described data processing module connects described data storage module；Described data analysis module connects described data and preserves
Module；
Wherein, described input point acquisition module, for detecting the output signal of elevator；
Described displacement acquisition module, for detecting displacement and the speed of elevator；
Described human-computer interaction module, is used for arranging configuration parameter, arranges testing process and checks detection state；
Described data processing module, is stored in institute after described output timing, described speed and described displacement being processed
State data storage module；
Described data analysis module, for by output signal, described speed and described displacement in described data storage module
It is analyzed.
Preferably, described input point acquisition module includes adaptive voltage range detection circuit and signal input；
Wherein, described adaptive voltage range detection circuit connects described data processing module；Described adaptive voltage model
The binding post J1 enclosing testing circuit is arranged in described signal input.
Preferably, described displacement acquisition module includes high speed encoder signal acquisition circuit, encoder interfaces and coding
Device；
Described high speed encoder signal acquisition circuit connects described data processing module；Described high speed encoder signals collecting
The binding post J12 of circuit is arranged in described encoder interfaces；
Described encoder connects described high speed encoder signal acquisition circuit by described encoder interfaces.
Preferably, described human-computer interaction module uses touch screen display screen；
Described data processing module uses CPU；
Described data analysis module uses upper computer software；
Described data storage module uses SD card.
Preferably, the quantity of described input point acquisition module is multiple.
Preferably, described output signal include the brake output signal of elevator control cabinet, elevator internal contracting brake device band-type brake defeated
Go out signal, the flat bed signal of elevator control cabinet and door lock signal, the brake output signal of accidental movement protection device；
Preferably, described adaptive voltage range detection circuit includes binding post J1, resistance R1, diode D1, filtering
Electric capacity EC1, voltage changing module U1, filter capacitor EC3, filter capacitor EC2, resistance R3, resistance R2, electric capacity C1, optocoupler U2, resistance
R4, light emitting diode D2, resistance R5 and resistance R6；
First end of binding post J1 connects one end of resistance R1, and the other end of resistance R1 connects the positive pole of diode D1,
The negative pole of diode D1 connects the positive pole of filter capacitor EC1, the IN end of voltage changing module U1；
The negative pole of three-terminal link filter capacitor EC1 of binding post J1, the GND end of voltage changing module U1, filter capacitor EC3
Negative pole；
The OUT terminal of voltage changing module U1 connects one end of resistance R6, the positive pole of filter capacitor EC2, one end of resistance R2, electric capacity
One end of C1, first end of optocoupler U2；The Cin end of voltage changing module U1 connects the positive pole of described filter capacitor EC3, described filtered electrical
The negative pole holding EC3 connects the other end of resistance R6, the negative pole of filter capacitor EC2, one end of resistance R3；The other end of resistance R3 is even
The other end of connecting resistance R3, the other end of electric capacity C1, second end of optocoupler U2；
4th end of optocoupler U2 is just connecting VCC power end, one end of three-terminal link resistance R4, light emitting diode D2
Pole, described data processing module；The other end of resistance R4, the negative pole of light emitting diode D2 pass through resistance R5 ground connection.
Preferably, described high speed encoder signal acquisition circuit includes binding post 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, resettable fuse PT1 and electric capacity
C31；
First end of binding post J12 connects one end of resettable fuse PT1, one end of electric capacity C31, and self-recoverage insures
The other end of silk PT1 connects power end, the other end ground connection of electric capacity C31；
The second end ground connection of binding post J12；
One end of the three-terminal link resistance R68 of binding post J12, one end other end of resistance R68 connects high speed photo coupling
3rd end of U24；One end of resistance R67 connects power end, and the other end of resistance R67 connects first end of high speed photo coupling U24；High
Speed the 4th end of optocoupler U24, the GND end ground connection of Schmidt reverser U23；It is anti-that 5th end of high speed photo coupling U24 connects Schmidt
To the IN end of device U23, one end of resistance R65；6th end of high speed photo coupling U24, the other end of resistance R65 connect VCC power end；
The positive pole of light emitting diode D21 connects VCC power end, and negative pole connects one end of resistance R66；The VCC end of Schmidt reverser U23
Connecting VCC power end, OUT terminal connects data processing module；The other end of resistance R66 connects data processing module；
4th end of binding post J12 connects one end of resistance R70, and the other end of resistance R70 connects high speed photo coupling U25's
3rd end；One end of resistance R69 connects power end, and the other end of resistance R69 connects first end of high speed photo coupling U25；High-speed light
4th end of coupling U25, the GND end ground connection of Schmidt reverser U26；5th end of high speed photo coupling U25 connects Schmidt's reverser
The IN end of U23, one end of resistance R71；6th end of high speed photo coupling U25, the other end of resistance R71 connect VCC power end；Luminous
The positive pole of diode D22 connects VCC power end, and negative pole connects one end of resistance R72；The VCC end of Schmidt reverser U23 connects
VCC power end, OUT terminal connects data processing module；The other end of resistance R72 connects data processing module.
Preferably, described data storage module storage data comprise the steps:
The detection data of described input point acquisition module and described displacement acquisition module were saved according to the cycle preset
In internal memory, and then store to storage card according to configuration file after detection data are processed by redundant arithmetic.
Preferably, described data analysis module comprises the steps: when being analyzed detection data
Step A1: obtain the configuration file that detection data are corresponding, then resolve the detection number of storage according to configuration file
According to；
Step A2: the data restored are shown on screen by LABVIEW assembly according to time shaft；
Step A3: when selected two light timestamps, the detection data between two cursors are calculated the highest by integral algorithm
Acceleration and average acceleration.
The Intelligent elevator safety detection method that the present invention provides, the Intelligent elevator safety detecting system described in employing,
Comprise the steps:
Step S1: input point acquisition module described in is accessed 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: by the displacement of described displacement acquisition module detection elevator wire rope；
Step S3: when elevator jerk, during band-type brake Guan Bi, band-type brake is closed output signal and elevator by described data processing module
The displacement of steel wire rope is stored in described data storage module；
Step S4: data analysis module goes out to work as elevator internal contracting brake according to the Displacement Analysis of band-type brake closure signal and elevator wire rope
The distance that after Guan Bi, elevator wire rope moves.
The Intelligent elevator safety detection method that the present invention provides, the Intelligent elevator safety detecting system described in employing,
Comprise the steps:
Step S1: input point acquisition module described in is accessed 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 described input point acquisition module is accessed the braking output of elevator control cabinet
Signal port, the brake output signal of detection elevator；
Step S2: when elevator jerk, during band-type brake Guan Bi, described data processing module is by band-type brake closure signal, band-type brake Guan Bi
Band-type brake time that signal is corresponding, the braking time that brake output signal is corresponding with brake output signal are stored in described data and preserve
Module；
Step S3: data analysis module is according to band-type brake time corresponding to band-type brake closure signal, band-type brake closure signal state, braking
Output signal and braking time corresponding to brake output signal analyze between brake output signal and band-type brake closure signal time
Between poor.
The Intelligent elevator safety detection method that the present invention provides, the Intelligent elevator safety detecting system described in employing,
Comprise the steps:
Step S1: input point acquisition module described in is accessed the flat bed signal port of elevator control cabinet, putting down of detection elevator
Layer output signal；Another described input point acquisition module is accessed the door lock signal mouth of elevator control cabinet, the door lock of detection elevator
Output signal；Another described input point acquisition module is accessed the brake output signal mouth of accidental movement protection device, detection system
Dynamic output signal；
Step S2: by the displacement of described displacement acquisition module detection elevator wire rope；
Step S3: when elevator one flat bed is in door opening state, disconnects flat bed signal, and described data processing module is by flat bed
Time corresponding to time corresponding to output signal, flat bed output signal, door lock output signal, door lock output signal, braking output
Signal port, the time that brake output signal mouth is corresponding, the displacement of elevator wire rope are stored in described data storage module；
Step S4: data analysis module is according to time corresponding to flat bed output signal, flat bed output signal, door lock output letter
Number, time corresponding to door lock output signal, brake output signal mouth, time that brake output signal mouth is corresponding, elevator wire rope
Displacement Analysis go out flat bed signal disconnect time, flat bed signal disconnect with accidental movement protection device send brake output signal time
Between difference and accidental movement protection device send brake output signal after the distance that moves of elevator wire rope.
Compared with prior art, the present invention has a following beneficial effect:
1, in the present invention, Intelligent elevator safety detecting system is integrated with velocity of displacement detection and input point is detected on one,
It is easy to carry and tests；
2, the present invention uses packaged type encoder to carry out elevator speed detection, when detecting, it is only necessary at elevator
In machine room, the race of encoder is fitted with steel wire rope, when steel wire rope moves, the runner concomitant rotation of encoder, complete displacement
Record, and then calculate speed according to displacement meter, thus do not enter elevator hoistways also can measure accurately elevator displacement and
Speed；
3, Intelligent elevator safety detecting system of the present invention is the widest to the tested scope of test point voltage, it is not necessary to increase
Just can detect in the case of adding extra conversion equipment；
4, the present invention passes through upper computer software multi-angular analysis data, more directly perceived easy, professional efficient；
5, range of application of the present invention is relatively broad, and including the lift facility such as vertical ladder and staircase, the present invention is provided with mobile electricity
Source, in inside, can use at any severe detection environment and record data.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
Fig. 1 is the structural representation of the present invention；
Fig. 2 (a) is the structural representation of bottom circuit in the present embodiment；
Fig. 2 (b) is the structural representation of top layer guidance 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 the present invention detection schematic diagram to steel wire rope and elevator internal contracting brake device；
Fig. 6 is the present invention detection schematic diagram to elevator control cabinet and elevator internal contracting brake device；
Fig. 7 is the present invention detection schematic diagram to steel wire rope, elevator control cabinet and accidental movement protection device.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in the technology of this area
Personnel are further appreciated by the present invention, but limit the present invention the most in any form.It should be pointed out that, the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement.These broadly fall into the present invention
Protection domain.
In the present embodiment, the Intelligent elevator safety detecting system that the present invention provides, including input point acquisition module, position
Move acquisition module, human-computer interaction module, data processing module, data storage module and data analysis module；
Described input point acquisition module, displacement acquisition module, human-computer interaction module connect described data processing module；
Described data processing module connects described data storage module；Described data analysis module connects described data and preserves
Module；
Wherein, described input point acquisition module, for detecting the output signal of elevator；
Described displacement acquisition module, for detecting displacement and the speed of elevator；
Described human-computer interaction module, is used for arranging configuration parameter, arranges testing process and checks detection state；
Described data processing module, is stored in institute after described output timing, described speed and described displacement being processed
State data storage module；
Described data analysis module, for by output signal, described speed and described displacement in described data storage module
It is analyzed.
Described input point acquisition module includes adaptive voltage range detection circuit and signal input；
Wherein, described adaptive voltage range detection circuit connects described data processing module；Described adaptive voltage model
The binding post J1 enclosing testing circuit is arranged in described signal input.
Described displacement acquisition module includes high speed encoder signal acquisition circuit, encoder interfaces and encoder；
Described high speed encoder signal acquisition circuit connects described data processing module；Described high speed encoder signals collecting
The binding post J12 of circuit is arranged in described encoder interfaces；
Described encoder connects described high speed encoder signal acquisition circuit by described encoder interfaces.
Described human-computer interaction module uses touch screen display screen；
Described data processing module uses CPU；
Described data analysis module uses upper computer software；
Described data storage module uses SD card.
Described output signal include the brake output signal of elevator control cabinet, the band-type brake output signal of elevator internal contracting brake device,
The flat bed signal of elevator control cabinet and door lock signal, the brake output signal of accidental movement protection device；
Described adaptive voltage range detection circuit include binding post J1, resistance R1, diode D1, filter capacitor EC1,
Voltage changing module U1, filter capacitor EC3, filter capacitor EC2, resistance R3, resistance R2, electric capacity C1, optocoupler U2, resistance R4, luminescence two
Pole pipe D2, resistance R5 and resistance R6；
First end of binding post J1 connects one end of resistance R1, and the other end of resistance R1 connects the positive pole of diode D1,
The negative pole of diode D1 connects the positive pole of filter capacitor EC1, the IN end of voltage changing module U1；
The negative pole of three-terminal link filter capacitor EC1 of binding post J1, the GND end of voltage changing module U1, filter capacitor EC3
Negative pole；
The OUT terminal of voltage changing module U1 connects one end of resistance R6, the positive pole of filter capacitor EC2, one end of resistance R2, electric capacity
One end of C1, first end of optocoupler U2；The Cin end of voltage changing module U1 connects the positive pole of described filter capacitor EC3, described filtered electrical
The negative pole holding EC3 connects the other end of resistance R6, the negative pole of filter capacitor EC2, one end of resistance R3；The other end of resistance R3 is even
The other end of connecting resistance R3, the other end of electric capacity C1, second end of optocoupler U2；
4th end of optocoupler U2 is just connecting VCC power end, one end of three-terminal link resistance R4, light emitting diode D2
Pole, described data processing module；The other end of resistance R4, the negative pole of light emitting diode D2 pass through resistance R5 ground connection.
Resistance R1 and diode D1 form rectification function, and voltage changing module U1 blood pressure lowering is passed through in measured signal, filter capacitor EC2 with
Filter capacitor EC3 decoupling effect, by resistance R2 resistance and R3 dividing potential drop, becomes detecting of optocoupler U2 by the voltage of measured signal
Scope, optocoupler U2 output signal passes in CPU, and light emitting diode D2 is for observing the change of voltage simultaneously.Resistance R6 is one
No matter discharge resistance, detect AC signal or DC power signal, and resistance R6 can rapidly and efficiently discharge and exist in electric capacity
Electricity, improves the reliability of signal.
Described high speed encoder signal acquisition circuit includes binding post J12, resistance R67, resistance R68, resistance R69, electricity
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 diode D21, light emitting diode D22, resettable fuse PT1 and electric capacity C31；
First end of binding post J12 connects one end of resettable fuse PT1, one end of electric capacity C31, and self-recoverage insures
The other end of silk PT1 connects power end, the other end ground connection of electric capacity C31；
The second end ground connection of binding post J12；
One end of the three-terminal link resistance R68 of binding post J12, one end other end of resistance R68 connects high speed photo coupling
3rd end of U24；One end of resistance R67 connects power end, and the other end of resistance R67 connects first end of high speed photo coupling U24；High
Speed the 4th end of optocoupler U24, the GND end ground connection of Schmidt reverser U23；It is anti-that 5th end of high speed photo coupling U24 connects Schmidt
To the IN end of device U23, one end of resistance R65；6th end of high speed photo coupling U24, the other end of resistance R65 connect VCC power end；
The positive pole of light emitting diode D21 connects VCC power end, and negative pole connects one end of resistance R66；The VCC of Schmidt reverser U23
End connects VCC power end, and OUT terminal connects data processing module；The other end of resistance R66 connects data processing module；
4th end of binding post J12 connects one end of resistance R70, and the other end of resistance R70 connects high speed photo coupling U25's
3rd end；One end of resistance R69 connects power end, and the other end of resistance R69 connects first end of high speed photo coupling U25；High-speed light
4th end of coupling U25, the GND end ground connection of Schmidt reverser U26；5th end of high speed photo coupling U25 connects Schmidt's reverser
The IN end of U23, one end of resistance R71；6th end of high speed photo coupling U25, the other end of resistance R71 connect VCC power end；Luminous
The positive pole of diode D22 connects VCC power end, and negative pole connects one end of resistance R72；The VCC end of Schmidt reverser U23 connects
VCC power end, OUT terminal connects data processing module；The other end of resistance R72 connects data processing module.
Resistance R67, resistance R69 connect+15V power end, and R68, R70 connect code device signal A and code device signal B, when
When code device signal is low, high speed photo coupling U24, high speed photo coupling U25 are blood pressure lowering electricity for opening, resistance R65 and resistance R71
Resistance, the voltage difference of output is VCC-I*R65, and output voltage enters Schmidt reverser U23, the IN end of Schmidt reverser U26,
Voltage enters Schmidt reverser U23, Schmidt reverser U26 and signals reverse is processed, and has simultaneously worked as the effect of buffering, has made
Signal enters Schmidt reverser U23 from voltage, signal is exported to CPU, light-emitting diodes by the OUT terminal of Schmidt reverser U26
Pipe D21 and light emitting diode D22 is for observing the variable condition of code device signal.
Described data storage module storage data comprise the steps:
The detection data of described input point acquisition module and described displacement acquisition module were saved according to the cycle preset
In internal memory, and then store to storage card according to configuration file after detection data are processed by redundant arithmetic.
Configuration file is set before testing by user, it is ensured that uniqueness that data are deposited and the reliability of data, is using
Upper computer software also can read according to the setting of configuration file when reading detection data, also improves the efficiency of reading with accurate
Degree.
Described data analysis module comprises the steps: when being analyzed detection data
Step A1: obtain the configuration file that detection data are corresponding, then resolve the detection number of storage according to configuration file
According to；
Step A2: the data restored are shown on screen by LABVIEW assembly according to time shaft；
Step A3: when selected two light timestamps, the detection data between two cursors are calculated the 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
Same configuration file resolves the data of storage, it is ensured that the curve error demonstrated is 0.Which can will be surveyed under complex situations
The data tried out restore reliably.
The Intelligent elevator safety detection method that the present invention provides, the Intelligent elevator safety detecting system described in employing,
Comprise the steps:
Step S1: input point acquisition module described in is accessed 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: by the displacement of described displacement acquisition module detection elevator wire rope；
Step S3: when elevator jerk, during band-type brake Guan Bi, band-type brake is closed output signal and elevator by described data processing module
The displacement of steel wire rope is stored in described data storage module；
Step S4: data analysis module goes out to work as elevator internal contracting brake according to the Displacement Analysis of band-type brake closure signal and elevator wire rope
The distance that after Guan Bi, elevator wire rope moves.
The Intelligent elevator safety detection method that the present invention provides, the Intelligent elevator safety detecting system described in employing,
Comprise the steps:
Step S1: input point acquisition module described in is accessed 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 described input point acquisition module is accessed the braking output of elevator control cabinet
Signal port, the brake output signal of detection elevator；
Step S2: when elevator jerk, during band-type brake Guan Bi, described data processing module is by band-type brake closure signal, band-type brake Guan Bi
Band-type brake time that signal is corresponding, the braking time that brake output signal is corresponding with brake output signal are stored in described data and preserve
Module；
Step S3: data analysis module is according to band-type brake time corresponding to band-type brake closure signal, band-type brake closure signal state, braking
Output signal and braking time corresponding to brake output signal analyze between brake output signal and band-type brake closure signal time
Between poor.
The Intelligent elevator safety detection method that the present invention provides, the Intelligent elevator safety detecting system described in employing,
Comprise the steps:
Step S1: input point acquisition module described in is accessed the flat bed signal port of elevator control cabinet, putting down of detection elevator
Layer output signal；Another described input point acquisition module is accessed the door lock signal mouth of elevator control cabinet, the door lock of detection elevator
Output signal；Another described input point acquisition module is accessed the brake output signal mouth of accidental movement protection device, detection system
Dynamic output signal；
Step S2: by the displacement of described displacement acquisition module detection elevator wire rope；
Step S3: when elevator one flat bed is in door opening state, disconnects flat bed signal, and described data processing module is by flat bed
Time corresponding to time corresponding to output signal, flat bed output signal, door lock output signal, door lock output signal, braking output
Signal port, the time that brake output signal mouth is corresponding, the displacement of elevator wire rope are stored in described data storage module；
Step S4: data analysis module is according to time corresponding to flat bed output signal, flat bed output signal, door lock output letter
Number, time corresponding to door lock output signal, brake output signal mouth, time that brake output signal mouth is corresponding, elevator wire rope
Displacement Analysis go out flat bed signal disconnect time, flat bed signal disconnect with accidental movement protection device send brake output signal time
Between difference and accidental movement protection device send brake output signal after the distance that moves of elevator wire rope.
The elevator of variety classes and model can be detected by the Intelligent elevator safety detecting system that the present invention provides, inspection
Examining system have employed 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 due to more in elevator device, the Intelligent elevator that the present invention provides
The applicable various working of safety detecting system, is not required to external conversion equipment.Packaged type encoder detection in the present invention
Module is for gathering the distance that elevator wire rope runs, and calculates the speed that elevator runs.By elevator internal contracting brake during detection
The output state of device, flat bed induction apparatus, door interlock switch, elevator control cabinet etc. preserves to data storage module.
The present invention is provided with and is suitable for supporting dedicated analysis software to resolve data, analyzes software and uses image processing method
By the rate curve of elevator and output state in same interface display out, every input channel represents an input port,
Can show or shield any one input channel.Analyze software and have also been devised cursor button, two vertical void can be shown
Line, the speed of every dotted line position can show in real time；Use calculus algorithm, show in real time two cursors it
Between elevator displacement and the time difference of two cursor time, the degree of accuracy of distance is 1mm, and the degree of accuracy of time difference is 1ms,
Also use amplification and mobile plug-in unit simultaneously, visual curve amount can be amplified to maximum accuracy, in order to preferably go to measure
And observation.Use dotted line cursor and the mobile plug-in unit of amplification can measure electricity in the time difference that elevator output state changes very easily
The various required time difference such as the displacement of ladder and distance, thus establish a kind of efficient detection method.
When the Intelligent elevator safety detecting system using the present invention to provide, when detecting the safety of elevator, it is not required to
Plurality of devices to be used goes detection, carries more convenient, and detection method is the easiest, and the data accuracy mouth that can also follow up sets
For comparing；Measure the speed of elevator and displacement is more convenient, it is not necessary to enter hoistway or steel wire rope is made marks and measure；Make
The Intelligent elevator safety detecting system provided by the present invention can any conversion equipment voltage of exporting electric life controller
Having the widest test scope, test scope is: 15V-380V AC/DC, more convenient relative to general oscillograph and effective, its
He needs to coordinate different probes according to different voltage by oscillograph；The present invention has professional and complete upper computer software, to elevator
Secure data is analyzed more professional than oscillograph；The present invention detects applied widely.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (13)
1. an Intelligent elevator safety detecting system, it is characterised in that include input point acquisition module, displacement acquisition module,
Human-computer interaction module, data processing module, data storage module and data analysis module；
Described input point acquisition module, displacement acquisition module, human-computer interaction module connect described data processing module；
Described data processing module connects described data storage module；Described data analysis module connects described data and preserves mould
Block；
Wherein, described input point acquisition module, for detecting the output signal of elevator；
Described displacement acquisition module, for detecting displacement and the speed of elevator；
Described human-computer interaction module, is used for arranging configuration parameter, arranges testing process and checks detection state；
Described data processing module, is stored in described number after described output timing, described speed and described displacement being processed
According to preserving module；
Described data analysis module, for carrying out output signal, described speed and described displacement in described data storage module
Analyze.
Intelligent elevator safety detecting system the most according to claim 1, it is characterised in that described input point acquisition module
Including adaptive voltage range detection circuit and signal input；
Wherein, described adaptive voltage range detection circuit connects described data processing module；Described adaptive voltage scope is examined
The binding post J1 of slowdown monitoring circuit is arranged in described signal input.
Intelligent elevator safety detecting system the most according to claim 1, it is characterised in that described displacement acquisition module bag
Include high speed encoder signal acquisition circuit, encoder interfaces and encoder；
Described high speed encoder signal acquisition circuit connects described data processing module；Described high speed encoder signal acquisition circuit
Binding post J12 be arranged in described encoder interfaces；
Described encoder connects described high speed encoder signal acquisition circuit by described encoder interfaces.
Intelligent elevator safety detecting system the most according to claim 1, it is characterised in that
Described human-computer interaction module uses touch screen display screen；
Described data processing module uses CPU；
Described data analysis module uses upper computer software；
Described data storage module uses SD card.
Intelligent elevator safety detecting system the most according to claim 1, it is characterised in that described input point acquisition module
Quantity be multiple.
Intelligent elevator safety detecting system the most according to claim 1, it is characterised in that described output signal includes electricity
The ladder brake output signal of switch board, the band-type brake output signal of elevator internal contracting brake device, the flat bed signal of elevator control cabinet and door lock
Signal, the brake output signal of accidental movement protection device.
Intelligent elevator safety detecting system the most according to claim 2, it is characterised in that described adaptive voltage scope
Testing circuit includes binding post J1, resistance R1, diode D1, filter capacitor EC1, voltage changing module U1, filter capacitor EC3, filter
Ripple electric capacity EC2, resistance R3, resistance R2, electric capacity C1, optocoupler U2, resistance R4, light emitting diode D2, resistance R5 and resistance R6；
First end of binding post J1 connects one end of resistance R1, and the other end of resistance R1 connects the positive pole of diode D1, two poles
The negative pole of pipe D1 connects the positive pole of filter capacitor EC1, the IN end of voltage changing module U1；
The negative pole of three-terminal link filter capacitor EC1 of binding post J1, the GND end of voltage changing module U1, filter capacitor EC3 negative
Pole；
The OUT terminal of voltage changing module U1 connects one end of resistance R6, the positive pole of filter capacitor EC2, one end of resistance R2, electric capacity C1
One end, first end of optocoupler U2；The Cin end of voltage changing module U1 connects the positive pole of described filter capacitor EC3, described filter capacitor
The negative pole of EC3 connects the other end of resistance R6, the negative pole of filter capacitor EC2, one end of resistance R3；The other end of resistance R3 connects
The other end of resistance R3, the other end of electric capacity C1, second end of optocoupler U2；
4th end of optocoupler U2 connects VCC power end, one end of three-terminal link resistance R4, the positive pole of light emitting diode D2, institute
State data processing module；The other end of resistance R4, the negative pole of light emitting diode D2 pass through resistance R5 ground connection.
Intelligent elevator safety detecting system the most according to claim 3, it is characterised in that described high speed encoder signal
Acquisition Circuit includes binding post 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 reverser U23, Schmidt reverser U26, light-emitting diodes
Pipe D21, light emitting diode D22, resettable fuse PT1 and electric capacity C31；
First end of binding post J12 connects one end of resettable fuse PT1, one end of electric capacity C31, resettable fuse
The other end of PT1 connects power end, the other end ground connection of electric capacity C31；
The second end ground connection of binding post J12；
One end of the three-terminal link resistance R68 of binding post J12, one end other end of resistance R68 connects high speed photo coupling U24's
3rd end；One end of resistance R67 connects power end, and the other end of resistance R67 connects first end of high speed photo coupling U24；High-speed light
4th end of coupling U24, the GND end ground connection of Schmidt reverser U23；5th end of high speed photo coupling U24 connects Schmidt's reverser
The IN end of U23, one end of resistance R65；6th end of high speed photo coupling U24, the other end of resistance R65 connect VCC power end；Luminous
The positive pole of diode D21 connects VCC power end, and negative pole connects one end of resistance R66；The VCC end of Schmidt reverser U23 connects
VCC power end, OUT terminal connects data processing module；The other end of resistance R66 connects data processing module；
4th end of binding post J12 connects one end of resistance R70, and the other end of resistance R70 connects the 3rd of high speed photo coupling U25 the
End；One end of resistance R69 connects power end, and the other end of resistance R69 connects first end of high speed photo coupling U25；High speed photo coupling U25
The 4th end, the GND end ground connection of Schmidt reverser U26；5th end of high speed photo coupling U25 connects Schmidt reverser U23's
IN end, one end of resistance R71；6th end of high speed photo coupling U25, the other end of resistance R71 connect VCC power end；Light-emitting diodes
The positive pole of pipe D22 connects VCC power end, and negative pole connects one end of resistance R72；The VCC end of Schmidt reverser U23 connects VCC
Power end, OUT terminal connects data processing module；The other end of resistance R72 connects data processing module.
Intelligent elevator safety detecting system the most according to claim 1, it is characterised in that described data storage module is deposited
Storage data comprise the steps:
-the detection data of described input point acquisition module and described displacement acquisition module are saved in internal memory according to the cycle preset
In, and then store to storage card according to configuration file after detection data are processed by redundant arithmetic.
Intelligent elevator safety detecting system the most according to claim 9, it is characterised in that described data analysis module
Comprise the steps: when detection data are analyzed
Step A1: obtain the configuration file that detection data are corresponding, then resolve the detection data of storage according to configuration file；
Step A2: the data restored are shown on screen by LABVIEW assembly according to time shaft；
Step A3: when selected two light timestamps, the detection data between two cursors are calculated the highest acceleration by integral algorithm
Degree and average acceleration.
11. 1 kinds of Intelligent elevator safety detection methods, it is characterised in that use the intelligence described in any one of claim 1 to 10
Energy type elevator safety detecting system, comprises the steps:
Step S1: input point acquisition module described in is accessed the band-type brake closure signal delivery outlet of elevator internal contracting brake device, detection electricity
The band-type brake closure signal of ladder band brake apparatus；
Step S2: by the displacement of described displacement acquisition module detection elevator wire rope；
Step S3: when elevator jerk, during band-type brake Guan Bi, band-type brake is closed output signal and elevator steel wire by described data processing module
The displacement of rope is stored in described data storage module；
Step S4: data analysis module goes out when elevator internal contracting brake closes according to the Displacement Analysis of band-type brake closure signal and elevator wire rope
The distance that rear elevator wire rope moves.
12. 1 kinds of Intelligent elevator safety detection methods, it is characterised in that use the intelligence described in any one of claim 1 to 10
Energy type elevator safety detecting system, comprises the steps:
Step S1: input point acquisition module described in is accessed the band-type brake closure signal delivery outlet of elevator internal contracting brake device, detection electricity
The band-type brake closure signal of ladder band brake apparatus；Another described input point acquisition module is accessed the brake output signal of elevator control cabinet
Mouthful, the brake output signal of detection elevator；
Step S2: when elevator jerk, during band-type brake Guan Bi, described data processing module is by band-type brake closure signal, band-type brake closure signal
Corresponding band-type brake time, the braking time that brake output signal is corresponding with brake output signal are stored in described data and preserve mould
Block；
Step S3: data analysis module is according to band-type brake time corresponding to band-type brake closure signal, band-type brake closure signal state, braking output
Signal and braking time corresponding to brake output signal analyze the time difference between brake output signal and band-type brake closure signal.
13. 1 kinds of Intelligent elevator safety detection methods, it is characterised in that use the intelligence described in any one of claim 1 to 10
Energy type elevator safety detecting system, comprises the steps:
Step S1: input point acquisition module described in accesses the flat bed signal port of elevator control cabinet, and the flat bed of detection elevator is defeated
Go out signal；Another described input point acquisition module is accessed the door lock signal mouth of elevator control cabinet, the door lock output of detection elevator
Signal；Another described input point acquisition module accesses the brake output signal mouth of accidental movement protection device, and detection braking is defeated
Go out signal；
Step S2: by the displacement of described displacement acquisition module detection elevator wire rope；
Step S3: when elevator one flat bed is in door opening state, disconnects flat bed signal, and flat bed is exported by described data processing module
Time corresponding to time corresponding to signal, flat bed output signal, door lock output signal, door lock output signal, brake output signal
Mouth, the time that brake output signal mouth is corresponding, the displacement of elevator wire rope are stored in described data storage module；
Step S4: data analysis module according to time corresponding to flat bed output signal, flat bed output signal, door lock output signal,
Time corresponding to door lock output signal, brake output signal mouth, time that brake output signal mouth is corresponding, the position of elevator wire rope
When shifting analyzes the disconnection of flat bed signal, the disconnection of flat bed signal and accidental movement protection device send the time difference of brake output signal
And accidental movement protection device send brake output signal after the distance that moves of elevator wire rope.
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| 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 |
| 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 |
| 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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