CN109896379A - A kind of pre- diagnostic method of elevator faults, device, equipment and storage medium - Google Patents
A kind of pre- diagnostic method of elevator faults, device, equipment and storage medium Download PDFInfo
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- CN109896379A CN109896379A CN201711309622.2A CN201711309622A CN109896379A CN 109896379 A CN109896379 A CN 109896379A CN 201711309622 A CN201711309622 A CN 201711309622A CN 109896379 A CN109896379 A CN 109896379A
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Abstract
The embodiment of the invention discloses a kind of pre- diagnostic method of elevator faults, device, equipment and storage mediums.This method includes when controlling the lift car of elevator by a detection mode to be run by first position to the second position, determining that the umber of pulse difference of the pulse counting equipment in elevator is the first umber of pulse；When controlling the lift car of elevator and being run by the second position to first position, determine that the umber of pulse difference of pulse counting equipment is the second pulse difference；According to the first umber of pulse and the second umber of pulse, in conjunction with the elevator hanging than, the traction wheel diameter of the encoder line number of the pulse counting equipment, the elevator, determine the opposite skidding distance of the wirerope of the elevator, and when opposite skidding distance is greater than the first preset threshold, determines and show that elevator needs to safeguard.The quantitative evaluation to elevator wire rope service condition is realized by adopting the above technical scheme, improves effective monitoring to wirerope deformation or skidding, and then reduce the elevator faults incidence as caused by wirerope.
Description
Technical field
The present embodiments relate to safety testing field more particularly to a kind of pre- diagnostic methods of elevator faults, device, equipment
And storage medium.
Background technique
With continuous development social now, elevator is increasingly becoming auxiliary tool generally existing in life.Elevator at present
Traction system can be worn in use because of situations such as traction sheave rope groove, wirerope generates deformation, run elevator
Cheng Zhonghui generates some potential safety problems.
In the prior art, the mode for generalling use artificial periodic detection carries out qualitative inspection to the service condition of elevator wire rope
It surveys.But since testing result is difficult to quantitative evaluation, if maintenance staff's experience is insufficient or sense of responsibility is not good enough, it will
Cause effectively avoid due to wirerope deformation or the caused elevator faults that skid, or even itself peace of elevator passenger can be jeopardized
Entirely.In addition, the quality of artificial detection elevator wire rope also will increase the working time of maintenance staff, a large amount of manpower is expended, is increased
It is powered on the maintenance cost of ladder, causes the waste of certain resource.
Summary of the invention
The present invention provides a kind of pre- diagnostic method of elevator faults, device, equipment and storage medium, to quantify elevator steel wire
It restricts pre- diagnostic data, improves to elevator wire rope testing result accuracy, and then effectively avoid the generation of elevator faults, save people
Power material resources.
In a first aspect, the embodiment of the invention provides a kind of pre- diagnostic methods of elevator faults, this method comprises:
In a detection mode, the lift car of elevator is controlled to be run by first position to the second position, and it is determining with it is described
Pulse counting equipment on the traction sheave of lift car connection is located at the first position and described in the lift car
The difference of umber of pulse when the second position is the first umber of pulse；
It controls the lift car to be run by the second position to the first position, and determines the step-by-step counting dress
The difference for setting the umber of pulse when the lift car is located at the second position and the first position is the second pulse
Number；
According to first umber of pulse and second umber of pulse, in conjunction with the hanging ratio of the elevator, the step-by-step counting
The traction wheel diameter of the encoder line number of device, the elevator, determines the opposite skidding distance of the wirerope of the elevator；
If the opposite distance of skidding is greater than the first preset threshold, it is determined that and show that the elevator needs to safeguard.
Second aspect, the embodiment of the invention also provides a kind of pre- diagnostic device of elevator faults, which includes:
First determining module, in a detection mode, the lift car for controlling elevator to be run by first position to second
Position, and determine that the pulse counting equipment on the traction sheave connecting with the lift car is located at institute in the lift car
The difference of umber of pulse when stating first position and the second position is the first umber of pulse；
Second determining module is run by the second position to the first position for controlling the lift car, and
Determine pulse of the pulse counting equipment when the lift car is located at the second position and the first position
Several differences is the second umber of pulse；
Third determining module is used for according to first umber of pulse and second umber of pulse, in conjunction with hanging for the elevator
It hangs than, the traction wheel diameter of the encoder line number of the pulse counting equipment, the elevator, determines the wirerope of the elevator
Opposite skidding distance；
Fault determination module determines for being greater than the first preset threshold in the opposite distance of skidding and shows the electricity
Ladder needs to safeguard.
The third aspect, the embodiment of the invention also provides a kind of pre- diagnostic devices of elevator faults, comprising: control device, arteries and veins
Counting device and output device are rushed, the equipment further include:
One or more processors；
Storage device, for storing one or more programs；
One or more of programs are executed by one or more of processors, so that one or more of processors
The real pre- diagnostic method of elevator faults provided in an embodiment of the present invention.
Fourth aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program, the program realize elevator faults provided in an embodiment of the present invention pre- diagnostic method when being executed by processor.
The embodiment of the present invention is by the way that in a detection mode, the lift car for controlling elevator is run by first position to second
When setting, determine that the umber of pulse difference of the pulse counting equipment in elevator is the first umber of pulse；The lift car of elevator is controlled by the
When two positions are run to first position, determine that the umber of pulse difference of pulse counting equipment is the second pulse difference；According to the first arteries and veins
Rush number and the second umber of pulse, in conjunction with the elevator hanging than, the encoder line number of the pulse counting equipment, the elevator
Traction wheel diameter determines the opposite skidding distance of the wirerope of the elevator, and is greater than the first default threshold in opposite skidding distance
When value, determines and show that elevator needs to safeguard, solved by the way of artificial periodic detection by adopting the above technical scheme to electricity
Terraced wirerope carries out qualitative detection, and the technical problem of testing result validity difference is realized to elevator wire rope service condition
Quantitative evaluation improves elevator wire rope testing result accuracy, and then effectively prevents causing due to Quality of Steel Wire Rope problem
Elevator faults, while reducing the working time of elevator mainte-nance personnel and the maintenance cost of elevator.
Detailed description of the invention
Fig. 1 is the flow diagram of the pre- diagnostic method of one of the embodiment of the present invention one elevator faults；
Fig. 2 is the flow diagram of the pre- diagnostic method of one of the embodiment of the present invention two elevator faults；
Fig. 3 is the structural schematic diagram of the pre- diagnostic device of one of the embodiment of the present invention three elevator faults；
Fig. 4 is the structural schematic diagram of the pre- diagnostic device of one of the embodiment of the present invention five elevator faults.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of flow diagram for the pre- diagnostic method of elevator faults that the embodiment of the present invention one provides, the present embodiment
It is applicable to the case where automatic quantization check and evaluation is carried out to the service condition of the wirerope of elevator, this method can be by elevator event
Hinder pre- diagnostic device to execute, which can be realized by software and/or hardware, and be configured at elevator operation host or service
On device.The pre- diagnostic method of the elevator faults specifically comprises the following steps:
S110, in a detection mode, the lift car for controlling elevator are run by first position to the second position, and determine with
Pulse counting equipment on the traction sheave of lift car connection the lift car be located at the first position and
The difference of umber of pulse when the second position is the first umber of pulse.
In this step, elevator includes at least detection pattern and general mode in the process of running.When elevator is in common
When mode, indicate that elevator is in normal manned operating status, elevator can be used normally in this mode；When elevator is in detection
It when mode, indicates that elevator is currently at and elevator faults is carried out in the state of diagnosing in advance, in this state, elevator can be automatic right
The service condition of the wirerope of elevator carries out quantitative evaluation, and elevator no-load is run at this time.
In this step, it is necessary first to which the lift car for controlling elevator is parked at first of lift car place elevator
The umber of pulse set, and record the pulse counting equipment of elevator at this time is the first pulse value；Then lift car is controlled with normal
Speed travels at the uniform speed to the second position of elevator, and the umber of pulse for recording the pulse counting equipment of elevator at this time is the second pulse
Value；The difference of the first pulse value and the second pulse value is calculated as the first umber of pulse.It should be noted that herein to elevator
In first position and the second position do not do specific restriction, only need to guarantee that first position is different from the second position.It can be with
Understand, when control lift car be moved to the second position from the first position in elevator when displacement maximum when, first
The value of umber of pulse is also maximum.Preferably, first position is the top layer of elevator where lift car, and the second position is lift car
The bottom of place elevator；Alternatively, the second position is the top layer of elevator where lift car, first position is lift car institute
In the bottom of elevator.
It should be noted that pulse counting equipment is used for the elevator wire rope that will be driven due to the rotation of the traction sheave of elevator
Moving distance be converted into number of pulses.Wherein, pulse counting equipment can be rotary encoder.
S120, the control lift car are run to the first position by the second position, and determine the pulse
The difference of umber of pulse of the counting device when the lift car is located at the second position and the first position is the
Two umber of pulses.
In this step, control lift car second position of elevator where lift car is run to first position,
And the umber of pulse for recording the pulse counting equipment of elevator at this time is third pulse value；Calculate third pulse value and the second pulse value
Difference is the second umber of pulse.
S130, according to first umber of pulse and second umber of pulse, in conjunction with the hanging ratio of the elevator, the pulse
The traction wheel diameter of the encoder line number of counting device, the elevator, determines the opposite skidding distance of the wirerope of the elevator.
It should be noted that radical and the traction sheave unilateral side of wirerope of the hanging of elevator than referring to suspention lift car
The ratio between wirerope radical.Encoder line number is used to characterize the resolution ratio of encoder, indicates that rotary encoder rotates a circle and is issued
Umber of pulse, the rotary encoder that illustrative encoder line number is 1000 generates pulse expression and has rotated 0.36 degree.It drags
Running wheel diameter indicates to be mounted on traction machine for transmitting the outer diameter of the rope sheave of traction power.
In this step, the traction wheel diameter of the hanging ratio of elevator, the encoder line number of pulse counting equipment and elevator
The supplemental characteristic of grade elevators, the supplemental characteristic of above-mentioned elevator is known to fixation for a certain specific elevator.In electricity
For the wirerope of ladder there is no when the case where skidding or deformation, lift car is mobile from the first position of elevator where lift car
It is opposite to skid apart from position 0 to the second position, then when being moved to first position from the second position.However, the wirerope when elevator is deposited
In the case where skidding or deformation, even the absolute value of the displacement run twice is identical, at this time due to steel wire iope slippage or
Person's wirerope deformation, there is also certain differences for the angle of the traction sheave rotation of elevator, therefore install pulse on the traction sheave
The umber of pulse difference (namely the first umber of pulse and second umber of pulse) of counting device, can also generate certain variation.According to elevator
The hanging supplemental characteristic more intrinsic than, the encoder line number of pulse counting equipment and these elevators of the traction wheel diameter of elevator,
The variation of the umber of pulse of pulse counting equipment can be converted to the opposite skidding distance of the wirerope of elevator.
Illustratively, when pulse counting equipment is the range units such as magnetic railings ruler or grating scale, above-mentioned steps can also basis
First umber of pulse and second umber of pulse, in conjunction with the elevator hanging than, the pulse counting equipment encoder
The traction wheel diameter of line number, the elevator determines the opposite skidding distance of the wirerope of the elevator.
If S140, the opposite distance of skidding are greater than the first preset threshold, it is determined that and show that the elevator needs to tie up
Shield.
In this step, when opposite skidding distance is greater than the first preset threshold, it is serious to show that the wirerope of elevator exists
Slipping phenomenon or there are serious deformation problems, the above problem can reduce elevator operation safety coefficient, need to make electricity
The warning that ladder breaks down.
The embodiment of the present invention is by the way that in a detection mode, the lift car for controlling elevator is run by first position to second
When setting, determine that the umber of pulse difference of the pulse counting equipment in elevator is the first umber of pulse；The lift car of elevator is controlled by the
When two positions are run to first position, determine that the umber of pulse difference of pulse counting equipment is the second pulse difference；According to the first arteries and veins
Rush number and the second umber of pulse, in conjunction with the elevator hanging than, the encoder line number of the pulse counting equipment, the elevator
Traction wheel diameter determines the opposite skidding distance of the wirerope of the elevator, and is greater than the first default threshold in opposite skidding distance
When value, determines and show that elevator needs to safeguard, solved by the way of artificial periodic detection by adopting the above technical scheme to electricity
Terraced wirerope carries out qualitative detection, and the problem of testing result validity difference realizes the quantization to elevator wire rope service condition
Assessment, improves elevator wire rope testing result accuracy, and then effectively prevent the electricity as caused by Quality of Steel Wire Rope problem
Terraced failure, while reducing the working time of elevator mainte-nance personnel and the maintenance cost of elevator.
Embodiment two
Fig. 2 is a kind of flow diagram of the pre- diagnostic method of elevator faults provided by Embodiment 2 of the present invention, the present embodiment
Preferably will be " described according to first umber of pulse and second arteries and veins in the technology of the technical solution of the various embodiments described above
Rush number, in conjunction with the elevator hanging than, the traction wheel diameter of the encoder line number of the pulse counting equipment, the elevator,
Determine the opposite skidding distance of the wirerope of the elevator " it is optimized for " according to formula S=(π × D × P)/(N × I) calculating
The opposite skidding distance of the wirerope of elevator；Wherein, S is the opposite skidding distance, and D is the traction wheel diameter, and P is described
The relative difference of first umber of pulse and second umber of pulse, N are the encoder line number, and I is the hanging ratio ".
Further, the technical solution of the embodiment of the present invention it is also additional " within the operation idle period of elevator, if
The elevator standby time is more than the second preset threshold, then switches the elevator into the detection pattern；And/or it is receiving
When the input into detection pattern of user's triggering instructs, switch the elevator into the detection pattern " entrance of this elevator
The handover operation of detection pattern.
Further, the technical solution of the embodiment of the present invention is also additional " if first umber of pulse and/or described
Two umber of pulses are greater than third predetermined threshold value, it is determined that and show that the elevator needs to safeguard " failure of this judgement elevator
Decision.
Further, the technical solution of the embodiment of the present invention is also additional " determine and show that the elevator needs to safeguard "
" warning device for controlling the elevator is alarmed by least one of optical signal, acoustical signal and vibration signal；Or
Warning is issued by the server interface of the elevator " this specific alarm operation.
The pre- diagnostic method of a kind of elevator faults provided by Embodiment 2 of the present invention, specifically includes:
S210, within the operation idle period of elevator, if the elevator standby time is more than the second preset threshold,
Switch the elevator into the detection pattern；And/or when the input into detection pattern for receiving user's triggering instructs,
Switch the elevator into the detection pattern.
In this step, the operation idle of elevator can be the period of late into the night 23:00 to morning 5:00, naturally it is also possible to
It is other periods, this is not limited in any way, can be manually set as needed by the Maintenance Development personnel of elevator.
It should be noted that control elevator is automatically into detection pattern specifically: operation idle time of the elevator in elevator
In section, have recorded last time elevator customer uses the end time, and subsequent elevator enters standby mode, at the end of being then somebody's turn to do certainly
Between start timing, after the duration of the second preset threshold, if elevator is still in standby mode, elevator is automatically by common mould
Formula switches in detection pattern.Wherein, standby mode refers to that, when there is elevator customer using elevator, elevator can operate normally list simultaneously
Do not have elevator customer carry out using state.Wherein, the second preset threshold is manually set by elevator maintenance developer.It is preferred that
Ground, the second preset threshold are 30 minutes.Control elevator hand enters detection pattern specifically: according to elevator maintenance developer's
It needs, elevator maintenance developer artificially triggers the key switch into detection pattern in elevator, and elevator can enter detection
Mode.
S220, in a detection mode, the lift car for controlling elevator are run by first position to the second position, and determine with
Pulse counting equipment on the traction sheave of lift car connection the lift car be located at the first position and
The difference of umber of pulse when the second position is the first umber of pulse；
S230, the control lift car are run to the first position by the second position, and determine the pulse
The difference of umber of pulse of the counting device when the lift car is located at the second position and the first position is the
Two umber of pulses.
S220 and S230 related content is identical with aforementioned S110 and S120, and details are not described herein.
It will be " according to first umber of pulse and second umber of pulse, in conjunction with hanging ratio, the pulsimeter of the elevator
The traction wheel diameter of the encoder line number of counting apparatus, the elevator, determines the opposite skidding distance of the wirerope of the elevator " into
One-step optimization is S240.
S240, calculated according to formula S=(π × D × P)/(N × I) elevator wirerope opposite skidding distance；Its
In, S is the opposite skidding distance, and D is the traction wheel diameter, and P is first umber of pulse and second umber of pulse
Relative difference, N are the encoder line number, and I is the hanging ratio.
Whether S251, the opposite distance of skidding of judgement are greater than the first preset threshold；If it is, executing S260.
Wherein, the first preset threshold can be by elevator maintenance developer according to the height of elevator, the hanging ratio of elevator
It is manually set in conjunction with empirical value.Illustratively, the first preset threshold is 5cm.
S252, judge whether first umber of pulse and/or second umber of pulse are greater than third predetermined threshold value；If
It is then to execute S260.
Wherein, after third predetermined threshold value is installed for the first time as elevator in lift car where encoder self-study is carried out in elevator
Practise identified maximum number of pulses when number self study high with layer.It should be noted that being directed to same elevator, third predetermined threshold value is
It is changeless；For different elevators, third predetermined threshold value is different.
It should be noted that in this step, by by the first umber of pulse and/or the second umber of pulse and third predetermined threshold value
It is compared: when the first umber of pulse and the second umber of pulse are respectively less than or are equal to third predetermined threshold value, showing the wirerope of elevator
Deformation occurs, or the deformation generated is within the acceptable range, will not influence the normal operation of elevator, therefore nothing
The warning of elevator failure need to be made；When the first umber of pulse and/or the second umber of pulse are greater than third predetermined threshold value, show electricity
The deformation degree of the wirerope of ladder seriously reduces the safety coefficient of elevator operation, may will affect the normal operation of elevator, because
This needs further to make the warning of elevator failure.
S260, determination simultaneously show that the elevator needs to safeguard.
S270, the warning device for controlling the elevator pass through at least one of optical signal, acoustical signal and vibration signal
It alarms.
It should be noted that the warning device of elevator can be installed on lift car, the alarm dress of elevator is controlled at this time
It sets and is alarmed by least one of optical signal, acoustical signal and vibration signal, to inform elevator customer elevator at this time
It is safeguarding.
Preferably, where the warning device of elevator can also be installed on elevator in the elevator(lift) machine room of floor, control is electric at this time
The warning device of ladder is alarmed by least one of optical signal, acoustical signal and vibration signal, to inform that elevator is tieed up
There is skidding or deformation in the wirerope of the current elevator of shield personnel, elevator mainte-nance personnel is needed to safeguard elevator.
Further, the first position is the top layer of elevator where the lift car, and the second position is institute
The bottom of elevator where stating lift car；Or the first position is the bottom of elevator where the lift car, institute
State the top layer that the second position is elevator where the lift car.
The technical solution of the embodiment of the present invention enters the operation of detection pattern by additional manually or automatically control elevator, makes
Elevator faults are diagnosed in advance more convenient；By adding determining by the first umber of pulse and the second umber of pulse and showing elevator
The decision condition for needing to safeguard determines the quantization to the service condition of the wirerope of elevator more perfect；By additional specific
Alarming step, enable elevator customer and elevator maintenance developer's timely learning elevator situation, avoid in dangerous feelings
Elevator is used under condition.By the technical solution of above-mentioned addition and the further refinement to opposite skidding distance is calculated, solve
Qualitative detection is carried out to elevator wire rope by the way of artificial periodic detection, the problem of testing result validity difference realizes
To the quantitative evaluation of elevator wire rope service condition, elevator wire rope testing result accuracy is improved, and then is effectively prevented
The elevator faults as caused by Quality of Steel Wire Rope problem, while reducing the working time of elevator mainte-nance personnel and the maintenance of elevator
Cost.
Illustratively, pulse counting equipment can also be that magnetic railings ruler or grating scale etc. are able to carry out the ranging of displacement measurement
Device is mounted on the borehole wall of the elevator where elevator.At this point, only by the S220 in the above-mentioned technical proposal of embodiment two~
S252 replaces with the following contents:
In a detection mode, the lift car for controlling elevator is run by first position to the second position, and determination is mounted on
The range unit of elevator is located at the first position and the second position in the lift car where the elevator
When displacement show value difference be the first shift differences；
It controls the lift car to be run by the second position to the first position, and determines that the range unit exists
The difference of displacement show value when the lift car is located at the second position and the first position is second displacement
Difference.
According to formula S=| S2-S1|/I calculates the opposite skidding distance of the wirerope of the elevator；Wherein, S is the phase
Actual relative movement of fighting each other is from S2For second displacement difference, S1For the first shift differences, I is the hanging ratio.
Whether the opposite distance of skidding of judgement is greater than the first preset threshold；If it is, executing S260.
Judge whether first shift differences and/or the second displacement difference are greater than the 4th preset threshold；If so,
Then execute S260.
Wherein, range unit is carried out in elevator certainly where in lift car after the 4th preset threshold is installed for the first time as elevator
Learn identified maximum displacement value when number self study high with layer.It should be noted that being directed to same elevator, the 4th preset threshold
It is fixed and invariable；For different elevators, the 4th preset threshold is different.
It should be noted that in this step, by by the first shift value and/or second displacement value and the 4th preset threshold
It is compared: when the first shift value and second displacement value are respectively less than or are equal to four preset thresholds, showing the wirerope of elevator
Deformation occurs, or the deformation generated is within the acceptable range, will not influence the normal operation of elevator, therefore nothing
The warning of elevator failure need to be made；When the first shift value and/or second displacement value are greater than four preset thresholds, show electricity
The deformation degree of the wirerope of ladder seriously reduces the safety coefficient of elevator operation, may will affect the normal operation of elevator, because
This needs further to make the warning of elevator failure.
Embodiment three
Fig. 3 is a kind of structural schematic diagram for the pre- diagnostic device of elevator faults that the embodiment of the present invention three provides, the present embodiment
It is applicable to the case where automatic quantization check and evaluation is carried out to the service condition of the wirerope of elevator, which specifically includes: the
One determining module 310, the second determining module 320, third determining module 330 and fault determination module 340.
Wherein, the first determining module 310, in a detection mode, the lift car for controlling elevator to be transported by first position
It goes to the second position, and determines the pulse counting equipment on the traction sheave connecting with the lift car in the lift car point
Not Wei Yu the difference of the first position and the umber of pulse when second position be the first umber of pulse；
Second determining module 320 is run by the second position to the first position for controlling the lift car,
And determine arteries and veins of the pulse counting equipment when the lift car is located at the second position and the first position
The difference for rushing number is the second umber of pulse；
Third determining module 330 is used for according to first umber of pulse and second umber of pulse, in conjunction with the elevator
It hangs than, the traction wheel diameter of the encoder line number of the pulse counting equipment, the elevator, determines the wirerope of the elevator
Opposite skidding distance；
Fault determination module 340 is determined and is shown described for being greater than the first preset threshold in the opposite distance of skidding
Elevator needs to safeguard.
The embodiment of the present invention is by the way that in a detection mode, the lift car for controlling elevator is run by first position to second
When setting, the first determining module 310 determines that the umber of pulse difference of the pulse counting equipment in elevator is the first umber of pulse；Control elevator
Lift car when being run by the second position to first position, the second determining module 320 determines the umber of pulse of pulse counting equipment
Difference is the second pulse difference；According to the first umber of pulse and the second umber of pulse, in conjunction with hanging ratio, the pulsimeter of the elevator
The traction wheel diameter of the encoder line number of counting apparatus, the elevator, third determining module 330 determine the wirerope of the elevator
Opposite skidding distance, and when opposite skidding distance is greater than the first preset threshold, fault determination module 340 determines and shows elevator
Need to safeguard solve qualitative inspection is carried out to elevator wire rope by the way of artificial periodic detection by adopting the above technical scheme
It surveys, the problem of testing result validity difference realizes the quantitative evaluation to elevator wire rope service condition, improves elevator steel wire
Rope testing result accuracy, and then the elevator faults as caused by Quality of Steel Wire Rope problem are effectively prevented, while reducing electricity
The working time of terraced maintenance personnel and the maintenance cost of elevator.
Further, the device further includes mode switch module, is specifically used for:
Within the operation idle period of elevator, if the elevator standby time is more than the second preset threshold, switch
The elevator enters the detection pattern；And/or
When the input into detection pattern for receiving user's triggering instructs, switch the elevator into the detection mould
Formula.
Further, the fault determination module 340, is also used to:
When first umber of pulse and/or second umber of pulse are greater than third predetermined threshold value, determine and show described
Elevator needs to safeguard.
Further, the first position is the top layer of elevator where the lift car, and the second position is institute
The bottom of elevator where stating lift car；Or the first position is the bottom of elevator where the lift car, institute
State the top layer that the second position is elevator where the lift car.
Further, the third determining module 330, comprising:
The opposite skidding distance of the wirerope of the elevator is calculated according to formula S=(π × D × P)/(N × I)；Wherein, S
For the opposite skidding distance, D is the traction wheel diameter, and P is that first umber of pulse is opposite with second umber of pulse
Difference, N are the encoder line number, and I is the hanging ratio.
Further, the device, further includes:
Alarm module, the warning device for controlling the elevator pass through in optical signal, acoustical signal and vibration signal
At least one is alarmed.
The elevator faults provided by any embodiment of the invention side of diagnosis in advance can be performed in the above-mentioned pre- diagnostic device of elevator faults
Method has and executes the corresponding functional module of the pre- diagnostic method of elevator faults and beneficial effect.
Example IV
Illustratively, pulse counting equipment replaces with the ranging dress that magnetic railings ruler or grating scale etc. are able to carry out displacement measurement
It sets, is mounted on the borehole wall of the elevator where elevator.
At this point, the first determining module, in a detection mode, control the lift car of elevator by first position run to
The second position, and determine be mounted on the elevator where the range unit of elevator be located at described the in the lift car
The difference of displacement show value when one position and the second position is the first shift differences；
Second determining module is run by the second position to the first position for controlling the lift car, and
Determine that displacement of the range unit when the lift car is located at the second position and the first position is shown
The difference of value is second displacement difference.
Third determining module, for the hanging according to first shift differences, second displacement difference and the elevator
The opposite skidding distance of the wirerope of the elevator more described than determination；
Fault determination module determines for being greater than the first preset threshold in the opposite distance of skidding and shows the electricity
Ladder needs to safeguard.
The technical solution of the embodiment of the present invention can by the way that pulse counting equipment is replaced with magnetic railings ruler or grating scale etc.
The range unit of displacement measurement is carried out, the first determining module acquisition lift car is located at first position and second in a detection mode
Range unit is shown when position the first shift differences and the lift car that the second determining module obtains be located at the second position with
The second displacement difference that range unit is shown when first position, and the hanging ratio of elevator is combined, third determining module determines electricity
The opposite skidding distance of the wirerope of ladder, and when opposite skidding distance is greater than the first preset threshold, fault determination module determines
And show that elevator needs to safeguard.Solve by adopting the above technical scheme by the way of artificial periodic detection to elevator wire rope into
Row qualitative detection, the problem of testing result validity difference, realizes the quantitative evaluation to elevator wire rope service condition, improves
Elevator wire rope testing result accuracy, and then the elevator faults as caused by Quality of Steel Wire Rope problem are effectively prevented, simultaneously
Reduce the working time of elevator mainte-nance personnel and the maintenance cost of elevator.
Further, the device further includes mode switch module, is specifically used for:
Within the operation idle period of elevator, if the elevator standby time is more than the second preset threshold, switch
The elevator enters the detection pattern；And/or
When the input into detection pattern for receiving user's triggering instructs, switch the elevator into the detection mould
Formula.
Further, the fault determination module, is also used to:
When first shift differences and/or the second displacement difference are greater than four preset thresholds, determine and show
The elevator needs to safeguard.
Further, the first position is the top layer of elevator where the lift car, and the second position is institute
The bottom of elevator where stating lift car；Or the first position is the bottom of elevator where the lift car, institute
State the top layer that the second position is elevator where the lift car.
Further, the third determining module, comprising:
According to formula S=| S2-S1|/I calculates the opposite skidding distance of the wirerope of the elevator；Wherein, S is the phase
Actual relative movement of fighting each other is from S2For second displacement difference, S1For the first shift differences, I is the hanging ratio.
Further, the device, further includes:
Alarm module, the warning device for controlling the elevator pass through in optical signal, acoustical signal and vibration signal
At least one is alarmed.
The elevator faults provided by any embodiment of the invention side of diagnosis in advance can be performed in the above-mentioned pre- diagnostic device of elevator faults
Method has and executes the corresponding functional module of the pre- diagnostic method of elevator faults and beneficial effect.
Embodiment five
Fig. 4 is a kind of structural schematic diagram for the pre- diagnostic device of elevator faults that the embodiment of the present invention five provides.Such as Fig. 4 institute
Show, the equipment, comprising: control device 410, pulse counting equipment 420, output device 430, processor 440 and storage device
450。
Wherein, control device 410, the lift car for controlling elevator are run in the elevator at place；
Pulse counting equipment 420, for recording lift car in the umber of pulse of first position and the second position；
Output device 430, for showing lift car in the umber of pulse of first position and the second position；And go out in elevator
It alarms when existing failure；
One or more processors 440；
Storage device 450, for storing one or more programs.
In Fig. 4 by taking a processor 440 as an example, the control device 410 in the equipment can pass through bus or other modes
It is connected with pulse counting equipment 420, output device 430, processor 440 and storage device 450, and processor 440 and storage
Device 450 is connected also by bus or other modes, in Fig. 4 for being connected by bus.
In the present embodiment, the processor 440 in the pre- diagnostic device of elevator faults can be determined connects with the lift car
The pulse counting equipment on traction sheave connect is when the lift car is located at the first position and the second position
Umber of pulse difference be the first difference；It can also determine that lift car described in the pulse counting equipment plug is located at institute
The difference of step-by-step counting when stating the second position and the first position is the second umber of pulse；It can also be according to not having the first umber of pulse
It is determined with the second umber of pulse in conjunction with the traction wheel diameter for hanging ratio, the encoder line number of pulse counting equipment, elevator of elevator
The opposite skidding distance of the wirerope of elevator；And will be compared with respect to skidding distance with the first preset threshold, it obtains and compares knot
Fruit.
Storage device 450 in the pre- diagnostic device of the elevator faults is used as a kind of computer readable storage medium, can be used for
One or more programs are stored, described program can be software program, computer executable program and module, and such as the present invention is real
Apply the corresponding program instruction/module of the pre- diagnostic method of elevator faults in example (for example, attached first determining module 310 shown in Fig. 3,
Second determining module 320, third determining module 330 and fault determination module 340).Processor 440 is stored in by operation
Software program, instruction and module in storage device 450, thereby executing the various function application and data processing of equipment, i.e.,
Realize the pre- diagnostic method of elevator faults in above method embodiment.
Storage device 450 may include storing program area and storage data area, wherein storing program area can store operation system
Application program needed for system, at least one function；It storage data area can (first pulse in such as above-described embodiment such as storing data
Number, the hanging ratio of the second umber of pulse, elevator, encoder line number, traction wheel diameter, opposite distance, first preset threshold etc. of skidding
Deng).In addition, storage device 450 may include high-speed random access memory, it can also include nonvolatile memory, such as
At least one disk memory, flush memory device or other non-volatile solid state memory parts.In some instances, storage dress
Setting 450 can further comprise the memory remotely located relative to processor 440, these remote memories can be connected by network
It is connected to equipment.The example of above-mentioned network includes but is not limited to internet, intranet, local area network, mobile radio communication and its group
It closes.
In addition, the embodiment of the present invention also provides a kind of computer readable storage medium, it is stored thereon with computer program, it should
Program realizes that the present invention implements the pre- diagnostic method of elevator faults provided, this method packet when being executed by the pre- diagnostic device of elevator faults
Include: in a detection mode, the lift car for controlling elevator is run by first position to the second position, and the determining and elevator car
Pulse counting equipment on the traction sheave of compartment connection is located at the first position and the second in the lift car
The difference of umber of pulse when setting is the first umber of pulse；The lift car is controlled to be run by the second position to described first
It sets, and determines the pulse counting equipment when the lift car is located at the second position and the first position
The difference of umber of pulse is the second umber of pulse；According to first umber of pulse and second umber of pulse, in conjunction with hanging for the elevator
It hangs than, the traction wheel diameter of the encoder line number of the pulse counting equipment, the elevator, determines the wirerope of the elevator
Opposite skidding distance；If the opposite distance of skidding is greater than the first preset threshold, it is determined that and show that the elevator needs to tie up
Shield.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of pre- diagnostic method of elevator faults characterized by comprising
In a detection mode, the lift car for controlling elevator is run by first position to the second position, and the determining and elevator
Pulse counting equipment on the traction sheave of carriage connection is located at the first position and described second in the lift car
The difference of umber of pulse when position is the first umber of pulse；
It controls the lift car to be run by the second position to the first position, and determines that the pulse counting equipment exists
The difference of umber of pulse when the lift car is located at the second position and the first position is the second umber of pulse；
According to first umber of pulse and second umber of pulse, in conjunction with hanging ratio, the pulse counting equipment of the elevator
Encoder line number, the elevator traction wheel diameter, determine the opposite skidding distance of the wirerope of the elevator；
If the opposite distance of skidding is greater than the first preset threshold, it is determined that and show that the elevator needs to safeguard.
2. the method according to claim 1, wherein it is described in a detection mode, control elevator ground elevator car
Compartment is run by first position to the second position, and determines that the pulse counting equipment on the traction sheave connecting with the lift car exists
The difference of umber of pulse when the lift car is located at the first position and the second position be the first umber of pulse it
Before, further includes:
Within the operation idle period of elevator, if the elevator standby time is more than the second preset threshold, described in switching
Elevator enters the detection pattern；And/or
When the input into detection pattern for receiving user's triggering instructs, switch the elevator into the detection pattern.
3. the method according to claim 1, wherein further include:
If first umber of pulse and/or second umber of pulse are greater than third predetermined threshold value, it is determined that and show the electricity
Ladder needs to safeguard.
4. the method according to claim 1, wherein the first position is elevator where the lift car
Top layer, the second position is the bottom of elevator where the lift car；Or the first position is the elevator
The bottom of elevator where carriage, the second position are the top layer of elevator where the lift car.
5. method according to claim 1-4, which is characterized in that described according to first umber of pulse and described
Second umber of pulse, in conjunction with the elevator hanging than, the traction sheave of the encoder line number of the pulse counting equipment, the elevator
Diameter determines the opposite skidding distance of the wirerope of the elevator, comprising:
The opposite skidding distance of the wirerope of the elevator is calculated according to formula S=(π × D × P)/(N × I)；Wherein, S is institute
Opposite skidding distance is stated, D is the traction wheel diameter, and P is the relative difference of first umber of pulse and second umber of pulse,
N is the encoder line number, and I is the hanging ratio.
6. method according to claim 1 or 3, which is characterized in that in the determination and show that the elevator needs to safeguard
Later, further includes:
The warning device for controlling the elevator is alarmed by least one of optical signal, acoustical signal and vibration signal.
7. a kind of pre- diagnostic device of elevator faults characterized by comprising
First determining module is used in a detection mode, and the lift car for controlling elevator is run by first position to the second position,
And determine that the pulse counting equipment on the traction sheave that connect with the lift car is located at described the in the lift car
The difference of umber of pulse when one position and the second position is the first umber of pulse；
Second determining module is run to the first position by the second position for controlling the lift car, and determined
Umber of pulse of the pulse counting equipment when the lift car is located at the second position and the first position
Difference is the second umber of pulse；
Third determining module, for according to first umber of pulse and second umber of pulse, in conjunction with the elevator hanging ratio,
The traction wheel diameter of the encoder line number of the pulse counting equipment, the elevator, determines the opposite of the wirerope of the elevator
Skidding distance；
Fault determination module determines for being greater than the first preset threshold in the opposite distance of skidding and shows that the elevator needs
It safeguards.
8. the apparatus according to claim 1, which is characterized in that further include mode switch module, be specifically used for:
Within the operation idle period of elevator, if the elevator standby time is more than the second preset threshold, described in switching
Elevator enters the detection pattern；And/or
When the input into detection pattern for receiving user's triggering instructs, switch the elevator into the detection pattern.
9. a kind of pre- diagnostic device of elevator faults, comprising: control device, pulse counting equipment and output device, which is characterized in that
Further include:
One or more processors；
Storage device, for storing one or more programs；
One or more of programs are executed by one or more of processors, so that one or more of processors are realized
Such as the pre- diagnostic method of elevator faults of any of claims 1-6.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
Such as elevator faults of any of claims 1-6 pre- diagnostic method is realized when execution.
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| CN111606169A (en) * | 2020-05-06 | 2020-09-01 | 西人马（厦门）科技有限公司 | Method, device and system for detecting faults of traction ropes of elevator car |
| CN112390108A (en) * | 2020-11-06 | 2021-02-23 | 日立楼宇技术（广州）有限公司 | Elevator fault pre-diagnosis method, device, equipment and storage medium |
| CN113184649A (en) * | 2021-03-15 | 2021-07-30 | 浙江理工大学 | Method for measuring creeping distance between elevator traction wheel groove and steel wire rope |
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