CN106006267B - A kind of elevator internal contracting brake power self-test and band-type brake failure protection method and system - Google Patents
A kind of elevator internal contracting brake power self-test and band-type brake failure protection method and system Download PDFInfo
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- CN106006267B CN106006267B CN201610502922.1A CN201610502922A CN106006267B CN 106006267 B CN106006267 B CN 106006267B CN 201610502922 A CN201610502922 A CN 201610502922A CN 106006267 B CN106006267 B CN 106006267B
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- elevator
- band
- type brake
- traction sheave
- brake power
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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
Abstract
The present invention discloses a kind of elevator internal contracting brake power self-test and band-type brake failure protection method and system, this method comprises: making the trimming moment of carriage and counterbalancing from elevator controlling and driver to the input of traction sheave cage side under elevator internal contracting brake opening state；Under elevator internal contracting brake closed state, according to trimming moment simulant elevator overload condition, overload torque is calculated, and input overload torque to traction sheave cage side, whether rotate determine whether band-type brake power is effective according to traction sheave under elevator overload state；Determination exits band-type brake power autonomous test pattern and restores externally to service or drive the trimming moment for exporting to traction sheave cage side and maintaining carriage and counterbalancing, and reports and submits fault warning.The present invention is under elevator internal contracting brake closed state, certain torque is imposed to traction sheave cage side, artificial or default Auto-Sensing Mode simulation allows elevator to be in overload condition, by judging whether traction sheave has rotation, to further whether effectively determine band-type brake power, detection method process is simplified.
Description
Technical field
The invention belongs to elevator safety detection technique fields, and more specifically, the present invention relates to a kind of elevator internal contracting brake power self-tests
Survey and band-type brake failure protection method and system.
Background technique
With continuous development social now, elevator increasingly gos deep into people's lives, and band-type brake is filled as elevator safety
It sets and plays a crucial role.And in the long-term use process, the brake block surface of band-type brake can cause to rub because of abrasion
There is carbonization phenomenon in surface, increases, coefficient of friction reduction so as to cause hardness, even results in band-type brake failure.Band-type brake once fails,
Elevator also can be out of control therewith, causes irretrievable loss, therefore, in elevator industry, special equipment inspection body needs pair
Whether the band-type brake power of elevator traction machine effectively carries out periodic detection.
Currently, the detection method of band-type brake power is to reach elevator rated load by placing gravity counterweight in carriage
125%, then under elevator traction machine band-type brake opening state, run elevator；Artificial power-off at this time, causes elevator traction machine to embrace
Whether lock closure is moved by lift car after observation band-type brake, is judged indirectly whether elevator traction machine band-type brake power fails,
This detection method very complicated, and take time and effort.
Summary of the invention
In view of this, the present invention provides a kind of elevator internal contracting brake power self-test and band-type brake failure protection method and system, with
Solve in the prior art due to by carriage place gravity counterweight detection method, caused by detection method it is cumbersome multiple
It is miscellaneous, and the problem of take time and effort.
To achieve the above object, the invention provides the following technical scheme:
A kind of elevator internal contracting brake power self-test and band-type brake failure protection method, comprising:
Under elevator internal contracting brake opening state, from elevator controlling and driver to the input of traction sheave cage side make the carriage and
The trimming moment of counterbalancing；
Under elevator internal contracting brake closed state, the elevator controlling and driver overload according to the trimming moment simulant elevator
State calculates overload torque, the overload torque is inputted from elevator controlling and driver to the traction sheave cage side, in institute
It states and whether rotates determine whether band-type brake power is effective according to traction sheave under elevator overload state；
When there is no determining that the band-type brake power is effective, then exit the band-type brake power self-test when rotation for the traction sheave
Pattern recovery externally services；
When the traction sheave rotates, determine that the band-type brake power is invalid, then drives defeated to the traction sheave cage side
The torque of the carriage and counterbalancing is maintained out, and reports and submits fault warning, is issued alarm signal and is stopped externally service.
Preferably, described under elevator internal contracting brake opening state, it is inputted from elevator controlling and driver to traction sheave cage side
Make the trimming moment of the carriage and counterbalancing specifically:
Judge the operating status of elevator controlling and driver；
When being determined as light condition, triggering enters band-type brake power autonomous test pattern；
The elevator controlling and driver control elevator are run to default specified building under the band-type brake power autonomous test pattern
Layer, and stop externally service；
The elevator controlling and driver control open elevator internal contracting brake and output torque, adjust carriage and counterbalancing, and
Obtain the trimming moment for making the carriage and counterbalancing.
Preferably, under elevator internal contracting brake closed state, the elevator controlling and driver are simulated according to the trimming moment
Elevator overload state calculates overload torque, inputs the overload from elevator controlling and driver to the traction sheave cage side
Whether torque rotates determine whether band-type brake power is effective according to traction sheave under the elevator overload state specifically:
Under band-type brake closed state, according to the trimming moment simulant elevator overload condition, the overload torque is calculated；
The overload torque is inputted from elevator controlling and driver to the traction sheave cage side；
After overload torque output is stablized, whether is rotated according to the traction sheave of the elevator and judge that band-type brake power is
It is no effective.
Preferably, whether the traction sheave according to the elevator, which rotates, judges whether band-type brake power is effective specifically:
The pulse value that the traction machine coaxially goes up encoder is read in real time；
Judge whether the traction sheave has rotation according to the pulse value of the encoder, and then judges whether band-type brake power has
Effect.
Preferably, whether the traction sheave according to the elevator, which rotates, judges whether band-type brake power is effective specifically:
The traction machine coaxially upper encoder rotation angle value is read in real time；
Judge whether the traction sheave has rotation according to the rotation angle value of the encoder, and then whether judges band-type brake power
Effectively.
A kind of elevator internal contracting brake power self-test and band-type brake crash protection system, comprising:
Trimming moment input unit, under elevator internal contracting brake opening state, from elevator controlling and driver to traction sheave
Cage side inputs the trimming moment for making the carriage and counterbalancing；
Judging unit, under elevator internal contracting brake closed state, the elevator controlling and driver to be according to the equilibrant force
Square simulant elevator overload condition, calculates overload torque, inputs institute from elevator controlling and driver to the traction sheave cage side
Overload torque is stated, whether rotates determine whether band-type brake power is effective according to traction sheave under the elevator overload state；It is draged when described
Running wheel then exits the band-type brake power autonomous test pattern and restores externally service there is no determining that the band-type brake power is effective when rotation；
When the traction sheave rotates, determine that the band-type brake power is invalid, then drives to cage side output and maintain the carriage
With the torque of counterbalancing, and fault warning is reported and submitted, issues alarm signal and stop externally service.
Preferably, the trimming moment input unit includes:
Judging unit, for judging the operating status of elevator controlling and driver；
Trigger unit, for when being determined as light condition, triggering to enter band-type brake power autonomous test pattern；
Control unit, for the elevator controlling under the band-type brake power autonomous test pattern and the operation of driver control elevator
Extremely default designated floor, and stop externally service；
Acquiring unit opens elevator internal contracting brake and output torque for the elevator controlling and driver control, adjusts carriage
And counterbalancing, and obtain the trimming moment for making the carriage and counterbalancing.
Preferably, the judging unit includes:
Analogue unit, for according to the trimming moment simulant elevator overload condition, calculating under band-type brake closed state
The overload torque；
Input unit, for inputting the overload torque from elevator controlling and driver to the traction sheave cage side；
Rotating unit is judged, for being according to the traction sheave of the elevator after overload torque output is stablized
No rotation determines whether band-type brake power is effective.
Preferably, the judgement rotating unit includes:
First reading unit coaxially goes up the pulse value of encoder for reading the traction machine in real time；
First judging unit, for judging whether the traction sheave has rotation according to the pulse value of the encoder, in turn
Judge whether band-type brake power is effective.
Preferably, the judgement rotating unit includes:
Second reading unit coaxially goes up the rotation angle value of encoder for reading the traction machine in real time；
Second judging unit, for judging whether the traction sheave has rotation according to the rotation angle value of the encoder,
And then judge whether band-type brake power is effective.
It can be seen via above technical scheme that compared with prior art, the invention discloses a kind of elevator internal contracting brake power self-tests
Survey and band-type brake failure protection method and system, this method comprises: under elevator internal contracting brake opening state, by elevator controlling and driver
Make the trimming moment of carriage and counterbalancing to the input of traction sheave cage side；According to trimming moment simulant elevator overload condition, meter
Overload torque is calculated, and inputs overload torque to traction sheave cage side, whether is rotated under elevator overload state according to traction sheave
Determine whether band-type brake power is effective；When there is no determining that band-type brake power is effective, then exit band-type brake power self-test mould when rotation for traction sheave
Formula restores externally service；When traction sheave rotates, determines that band-type brake power is invalid, then drive to traction sheave cage side and export maintenance
The torque of carriage and counterbalancing, and fault warning is reported and submitted, it issues alarm signal and stops externally service.The present invention is in elevator internal contracting brake
Under closed state, certain torque is imposed to carriage, artificial or default Auto-Sensing Mode simulation allows elevator to be in overload condition, passes through
Judge whether traction sheave has rotation in this state, to further whether effectively determine band-type brake power, simplifies detection
Method flow.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is that the process of a kind of elevator internal contracting brake power self-test and band-type brake failure protection method provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 is the idiographic flow schematic diagram of the step S101 in Fig. 1 of the embodiment of the present invention；
Fig. 3 is the idiographic flow schematic diagram of the step S102 in Fig. 1 of the embodiment of the present invention；
Fig. 4 is the specific stream of a kind of elevator internal contracting brake power self-test and band-type brake failure protection method provided in an embodiment of the present invention
Journey schematic diagram；
Fig. 5 is that the structure of a kind of elevator internal contracting brake power self-test and band-type brake crash protection system provided in an embodiment of the present invention is shown
It is intended to；
Fig. 6 is the concrete structure schematic diagram of the trimming moment input unit in Fig. 5 of the embodiment of the present invention；
Fig. 7 is the concrete structure schematic diagram of the judging unit in Fig. 5 of the embodiment of the present invention；
Fig. 8 is the specific knot of a kind of elevator internal contracting brake power self-test and band-type brake crash protection system provided in an embodiment of the present invention
Structure schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
So-called band-type brake power whether be effectively under car overload band-type brake be closed, whether band-type brake can brake traction sheave, prevent
Carriage sliding.It can be concluded that, under elevator overload state, need to embrace according to the requirement in GB standard in relation to balance coefficient of elevator
Lock power is maximum.Therefore the band-type brake power that traction sheave can be braked under elevator overload state, that is, can be considered fully effective band-type brake power.
Elevator internal contracting brake power self-sensing method is based on principles above in the present invention, under elevator internal contracting brake closed state, to
Carriage imposes certain torque, artificially allows elevator to be in overload condition, by reading encoder on traction sheave in this state
Whether the methods of pulse value or encoder angular, judge whether traction sheave has rotation, to further effectively carry out to band-type brake power
Determine.
Attached drawing 1 is please referred to, Fig. 1 is a kind of elevator internal contracting brake power self-test disclosed by the embodiments of the present invention and band-type brake fail safe
The flow diagram of method.As shown in Figure 1, the invention discloses a kind of elevator internal contracting brake power self-test and band-type brake fail safe sides
Method, specific this method may include steps of:
S101, under elevator internal contracting brake opening state, make carriage from elevator controlling and driver to the input of traction sheave cage side
With the trimming moment of counterbalancing.
It should be noted that elevator controlling and driver (elevator intelligent all-in-one machine) be in the unmanned situation of elevator, it can
To enter under band-type brake power autonomous test pattern by artificial button or the time preset, the detection of band-type brake power is carried out, such as: it is being
When system is set, (such as 15 days or 30 days) carry out the detection of band-type brake power, elevator controlling and driver automatically at regular intervals
(elevator intelligent all-in-one machine) exports certain torque to traction machine, opens band-type brake, elevator controlling and driver, which are quickly adjusted, makes carriage
And counterbalancing, it may be assumed that the wirerope stress at carriage end and counterweight end is equal in magnitude, and records the trimming moment exported at this time
F1。
S102, under elevator internal contracting brake closed state, elevator controlling and driver overload shape according to trimming moment simulant elevator
State calculates overload torque, inputs overload torque from elevator controlling and driver to traction sheave cage side.
S103, whether rotate determine whether band-type brake power is effective, works as traction according to traction sheave under simulant elevator overload condition
There is no when rotation, then entering step S104 for wheel；When traction sheave rotates, then S105 is entered step.
It should be noted that definition (the elevator of elevator controlling and driver (elevator intelligent all-in-one machine) according to elevator overload
The 125% of rated load) simulation calculate the overload torque F that carriage is under overload condition2, and overload force is exported to cage side
Square F2, specifically, exporting overload torque F to cage side2With trimming moment F1Between relationship are as follows:
F2=(125%/k) * F1
According to balance coefficient of elevator relationship:
Q=g+k*g '
Wherein, Q is the weight to pouring weight；K be elevator equilibrium system (national standard: 40%~50%, take most in the program
It is small 40%)；G is the weight of carriage；G ' is the rated load of elevator.
The deviation of weight k*g ' of carriage and counterweight under zero load, the i.e. equilibrant force of elevator intelligent all-in-one machine output can be extrapolated
Square F1Exactly make up deviation of weight k*g '.
S104, determine that band-type brake power is effective, then exit band-type brake power autonomous test pattern and restore externally service.
If detecting traction sheave, there is no rotations, then it is assumed that band-type brake power is effective, then exits band-type brake power autonomous test pattern, that is, embrace
Lock power self-test terminates, and restores externally service, reopens elevator service and uses for user.
S105, determine that band-type brake power is invalid, then drive the torque for exporting to traction sheave cage side and maintaining carriage and counterbalancing,
And fault warning is reported and submitted, it issues alarm signal and stops externally service.
If detection traction sheave rotates, then it is assumed that the failure of band-type brake power, band-type brake power self-test terminate, elevator intelligent all-in-one machine
(elevator controlling and driver) is reported failure and is alerted immediately to maintenance unit and Tenement, while controlling elevator and keeping shutdown shape
State, shields inside and outside call function, and the person of being forbidden to use uses；It exports certain torque and maintains carriage and counterbalancing, close elevator
Normal external service function.
A kind of elevator internal contracting brake power self-test and band-type brake failure protection method are present embodiments provided, this method comprises: in electricity
Under terraced band-type brake opening state, make the flat of the carriage and counterbalancing from elevator controlling and driver to the input of traction sheave cage side
Weigh torque；Under elevator internal contracting brake closed state, according to trimming moment simulant elevator overload condition, overload torque is calculated, and to
Whether traction sheave cage side input overload torque, rotate according to traction sheave under elevator overload state and determine whether band-type brake power has
Effect；When traction sheave is there is no rotating, determine that band-type brake power is effective, then exits band-type brake power autonomous test pattern and restore externally service；
When traction sheave rotates, determines that band-type brake power is invalid, then drive to traction sheave cage side and export maintenance carriage and counterbalancing
Torque, and report and submit fault warning, issue alarm signal and stop externally service.The present invention passes through artificial or default Auto-Sensing Mode,
It is in system under band-type brake power autonomous test pattern, detects empty carriage and opens under band-type brake state, drive the trimming moment of output, root
The torque under simulation overload condition is calculated according to the trimming moment to impose to traction sheave cage side super under band-type brake closed state
Torque is carried, judges whether traction sheave has rotation in this state, to further whether effectively determine band-type brake power, is simplified
Detection method process.
Specifically, please referring to attached drawing 2, Fig. 2 is the idiographic flow schematic diagram of the step S101 in Fig. 1 of the embodiment of the present invention.
As shown in Fig. 2, specifically, the step S101: under elevator internal contracting brake opening state, from elevator controlling and driver to traction sheave
Cage side input makes the trimming moment of carriage and counterbalancing can specifically include following steps:
S201, the operating status for judging elevator controlling and driver.
S202, when being determined as light condition, triggering enter band-type brake power autonomous test pattern.
S203, elevator controlling and driver control elevator are run to default designated floor under band-type brake power autonomous test pattern,
And stop externally service.
S204, elevator controlling and driver control open elevator internal contracting brake and output torque, adjust carriage and counterbalancing, and
Obtain the trimming moment for making carriage and counterbalancing.
It should be noted that elevator controlling and driver (elevator intelligent all-in-one machine) be in the unmanned situation of elevator, it can
To enter under band-type brake power autonomous test pattern by artificial button or the time preset, the detection of band-type brake power is carried out, such as: it is being
When system is set, (such as 15 days or 30 days) carry out the detection of band-type brake power, elevator controlling and driver automatically at regular intervals
(elevator intelligent all-in-one machine) exports certain torque to traction machine, opens band-type brake, elevator controlling and driver, which are quickly adjusted, makes carriage
And counterbalancing, it may be assumed that the wirerope stress at carriage end and counterweight end is equal in magnitude, and records the trimming moment exported at this time
F1。
Specifically, please referring to attached drawing 3, Fig. 3 is the idiographic flow schematic diagram of the step S102 in Fig. 1 of the embodiment of the present invention.
As shown in figure 3, specifically, the step S102: under elevator internal contracting brake closed state, elevator controlling and driver are according to equilibrant force
Square simulant elevator overload condition, calculates overload torque, inputs overload force from elevator controlling and driver to traction sheave cage side
Whether square rotates according to traction sheave under elevator overload state and determines whether band-type brake power effectively can specifically include following steps:
S301, under elevator internal contracting brake closed state, according to trimming moment simulant elevator overload condition, calculate overload force
Square.
S302, the overload torque is inputted from elevator controlling and driver to traction sheave cage side.
S302, overload torque output stablize after, whether rotated according to the traction sheave of elevator and judge whether band-type brake power effective.
It should be noted that definition (the elevator of elevator controlling and driver (elevator intelligent all-in-one machine) according to elevator overload
The 125% of rated load) simulation calculate the overload torque F that carriage is under overload condition2, and overload force is exported to cage side
Square F2, specifically, exporting overload torque F to cage side2With trimming moment F1Between relationship are as follows:
F2=(125%/k) * F1
According to balance coefficient of elevator relationship:
Q=g+k*g '
Wherein, Q is the weight to pouring weight；K be elevator equilibrium system (national standard: 40%~50%, take most in the program
It is small 40%)；G is the weight of carriage；G ' is the rated load of elevator.
The deviation of weight k*g ' of carriage and counterweight under zero load, the i.e. equilibrant force of elevator intelligent all-in-one machine output can be extrapolated
Square F1Exactly make up deviation of weight k*g '.
Attached drawing 4 is please referred to, Fig. 4 is a kind of elevator internal contracting brake power self-test disclosed by the embodiments of the present invention and band-type brake fail safe
The idiographic flow schematic diagram of method.As shown in figure 4, the invention discloses a kind of elevator internal contracting brake power self-test and band-type brake fail saves
Method, specific this method may include steps of:
S401, the operating status for judging elevator controlling and driver.
Specifically, judging the operating status of elevator controlling and driver, the state of artificial inspection carriage can be, it can also
To be that elevator controlling and driver do not receive operating instruction within a certain period of time, refer to receiving into band-type brake power autonomous test pattern
When enabling, if carriage waits after the completion of this time running in operating status, enters back into band-type brake power autonomous test pattern.
S402, when being determined as light condition, triggering enter band-type brake power autonomous test pattern.
S403, elevator controlling and driver control elevator are run to default designated floor under band-type brake power autonomous test pattern,
And stop externally service.
S404, elevator controlling and driver control open elevator internal contracting brake, adjust carriage and counterbalancing, and acquisition makes carriage
With the trimming moment of counterbalancing.
It should be noted that elevator controlling and driver (elevator intelligent all-in-one machine) be in the unmanned situation of elevator, it can
To enter under band-type brake power autonomous test pattern by artificial button or the time preset, the detection of band-type brake power is carried out, such as: it is being
When system is set, (such as 15 days or 30 days) carry out the detection of band-type brake power, elevator controlling and driver automatically at regular intervals
(elevator intelligent all-in-one machine) exports certain torque to traction machine, opens band-type brake, elevator controlling and driver, which are quickly adjusted, makes carriage
And counterbalancing, it may be assumed that the wirerope stress at carriage end and counterweight end is equal in magnitude, and records the trimming moment exported at this time
F1。
S405, under elevator internal contracting brake closed state, the elevator controlling and driver are super according to trimming moment simulant elevator
Load state calculates overload torque.
S406, overload torque is inputted from elevator controlling and driver to traction sheave cage side.
It should be noted that definition (the elevator of elevator controlling and driver (elevator intelligent all-in-one machine) according to elevator overload
The 125% of rated load) simulation calculate the overload torque F that carriage is under overload condition2, and overload force is exported to cage side
Square F2, specifically, exporting overload torque F to cage side2With trimming moment F1Between relationship are as follows:
F2=(125%/k) * F1
According to balance coefficient of elevator relationship:
Q=g+k*g '
Wherein, Q is the weight to pouring weight；K be elevator equilibrium system (national standard: 40%~50%, take most in the program
It is small 40%)；G is the weight of carriage；G ' is the rated load of elevator.
The deviation of weight k*g ' of carriage and counterweight under zero load, the i.e. equilibrant force of elevator intelligent all-in-one machine output can be extrapolated
Square F1Exactly make up deviation of weight k*g '.
S407, overload torque output stablize after, whether rotated according to the traction sheave of elevator and judge whether band-type brake power effective,
When there is no when rotation, then entering step S408 for traction sheave；When traction sheave rotates, then S409 is entered step.
S408, determine that band-type brake power is effective, then exit band-type brake power autonomous test pattern and restore externally service.
If detecting traction sheave, there is no rotations, then it is assumed that band-type brake power is effective, then exits band-type brake power autonomous test pattern, that is, embrace
Lock power self-test terminates, and restores externally service, reopens elevator service and uses for user.
S409, determine that band-type brake power is invalid, then drive the torque for exporting to traction sheave cage side and maintaining carriage and counterbalancing,
And fault warning is reported and submitted, it issues alarm signal and stops externally service.
If detection traction sheave rotates, then it is assumed that the failure of band-type brake power, band-type brake power self-test terminate, elevator intelligent all-in-one machine
(elevator controlling and driver) is reported failure and is alerted immediately to maintenance unit and Tenement, while controlling elevator and keeping shutdown shape
State, shields inside and outside call function, and the person of being forbidden to use uses；It exports certain torque and maintains carriage and counterbalancing, close elevator
Normal external service function.
Specifically, whether the traction sheave according to elevator, which rotates, judges whether band-type brake power is effective specifically:
Pulse value or encoder rotation angle value that traction machine coaxially goes up encoder are read in real time；
Judge whether traction sheave has rotation according to the pulse value of encoder or encoder rotation angle value, and then judges band-type brake
Whether power is effective.
A kind of elevator internal contracting brake power self-test and band-type brake failure protection method are present embodiments provided, this method comprises: in electricity
Under terraced band-type brake opening state, the trimming moment of the carriage and counterbalancing is made from elevator controlling and driver to carriage input；
Under elevator internal contracting brake closed state, according to trimming moment simulant elevator overload condition, overload torque is calculated, and to traction sheave sedan-chair
Whether compartment side input overload torque, rotate determine whether band-type brake power is effective according to traction sheave under elevator overload state；Work as traction
Wheel then exits band-type brake power autonomous test pattern and restores externally service there is no determining that band-type brake power is effective when rotation；When traction sheave is sent out
When raw rotation, determines that band-type brake power is invalid, then drive the torque for exporting to traction sheave cage side and maintaining carriage and counterbalancing, and report
Fault warning is sent, alarm signal is issued and stops externally service.The present invention is in system by artificial or default Auto-Sensing Mode
Under band-type brake power autonomous test pattern, detects empty carriage and open under band-type brake state, the trimming moment of output is driven, according to the equilibrant force
The torque that square calculates under simulation overload condition imposes overload torque to traction sheave cage side, at this under band-type brake closed state
State judges whether traction sheave has rotation, to further whether effectively determine band-type brake power, simplifies detection method
Process.
Attached drawing 5 is please referred to, Fig. 5 is a kind of elevator internal contracting brake power self-test provided in an embodiment of the present invention and band-type brake fail safe
The structural schematic diagram of system.As shown in figure 5, the invention discloses a kind of elevator internal contracting brake power self-test and band-type brake fail safe systems
System, specifically, the system can specifically include: trimming moment input unit 51 and judging unit 52, wherein trimming moment input
Unit 51, under elevator internal contracting brake opening state, from elevator controlling and driver to the input of traction sheave cage side make carriage and
The trimming moment of counterbalancing；Judging unit 52, under elevator internal contracting brake closed state, elevator controlling and driver to be according to flat
Weigh torque simulant elevator overload condition, calculates overload torque, defeated from elevator controlling and driver to the traction sheave cage side
Enter the overload torque, whether rotates determine whether band-type brake power is effective according to traction sheave under the elevator overload state；When draging
Running wheel then exits band-type brake power autonomous test pattern and restores externally service there is no determining that band-type brake power is effective when rotation；Work as traction sheave
When rotating, determine that band-type brake power is invalid, then drives the torque for exporting to traction sheave cage side and maintaining carriage and counterbalancing, and
Fault warning is reported and submitted, alarm signal is issued and stops externally service.
Method shown in FIG. 1 is able to carry out by each unit in this present embodiment, the part that the present embodiment is not described in detail,
It can refer to the related description to Fig. 1.
Present embodiments provide a kind of elevator internal contracting brake power self-test and band-type brake crash protection system, the present invention by artificial or
Default Auto-Sensing Mode, is in system under band-type brake power autonomous test pattern, detects empty carriage and opens under band-type brake state, driving output
Trimming moment, according to the trimming moment calculate simulation overload condition under torque, under band-type brake closed state, to traction sheave
Whether cage side imposes overload torque, judges whether traction sheave has rotation in this state, thus further effective to band-type brake power
Determined, simplifies detection method process.
Attached drawing 6 is please referred to, Fig. 6 is the concrete structure schematic diagram of the trimming moment input unit in Fig. 5 of the embodiment of the present invention.
As shown in fig. 6, the trimming moment input unit 51 includes: judging unit 61, for judging the fortune of elevator controlling and driver
Row state；Trigger unit 62, for when being determined as light condition, triggering to enter band-type brake power autonomous test pattern；Control unit 63,
For under band-type brake power autonomous test pattern elevator controlling and driver control elevator run to default designated floor, and stop external
Service；Acquiring unit 64 opens elevator internal contracting brake and output torque for elevator controlling and driver control, adjusts carriage and counterweight
Balance, and obtain the trimming moment for making carriage and counterbalancing.
Method shown in Fig. 2 is able to carry out by each unit in this present embodiment, the part that the present embodiment is not described in detail,
It can refer to the related description to Fig. 2.
Attached drawing 7 is please referred to, Fig. 7 is the concrete structure schematic diagram of the judging unit in Fig. 5 of the embodiment of the present invention.Such as Fig. 7 institute
Show, the judging unit 52 includes: analogue unit 71, for simulating electricity according to trimming moment under elevator internal contracting brake closed state
Terraced overload condition calculates overload torque；Input unit 72, for being inputted from elevator controlling and driver to traction sheave cage side
Overload torque；Rotating unit 73 is judged, for whether rotating judgement according to the traction sheave of elevator after overload torque output is stablized
Whether band-type brake power is effective.
Method shown in Fig. 3 is able to carry out by each unit in this present embodiment, the part that the present embodiment is not described in detail,
It can refer to the related description to Fig. 3.
Fig. 8 is the specific knot of a kind of elevator internal contracting brake power self-test and band-type brake crash protection system provided in an embodiment of the present invention
Structure schematic diagram.As shown in figure 8, the invention discloses a kind of elevator internal contracting brake power self-test and band-type brake crash protection systems, specifically,
The system can specifically include: judging unit 81, for judging the operating status of elevator controlling and driver；Trigger unit 82,
For when being determined as light condition, triggering to enter band-type brake power autonomous test pattern；Control unit 83, in band-type brake power self-test
Elevator controlling and driver control elevator are run to default designated floor under mode, and stop externally service；Acquiring unit 84 is used
Elevator internal contracting brake is opened in elevator controlling and driver control, adjusts carriage and counterbalancing, and acquisition makes carriage and counterbalancing
Trimming moment.Analogue unit 85, under elevator internal contracting brake closed state, elevator controlling and driver to be according to trimming moment mould
Quasi- elevator overload state computation goes out the torque that overloads；Input unit 86, for from elevator controlling and driver to traction sheave cage side
Input overload torque；Rotating unit 87 is judged, for whether being rotated after overload torque output is stablized according to the traction sheave of elevator
Determine whether band-type brake power is effective, when there is no determining that band-type brake power is effective, then exit band-type brake power self-test mould when rotation for traction sheave
Formula restores externally service；When traction sheave rotates, determines that band-type brake power is invalid, then drive to traction sheave cage side and export maintenance
The torque of carriage and counterbalancing, and fault warning is reported and submitted, it issues alarm signal and stops externally service.
Method shown in Fig. 4 is able to carry out by each unit in this present embodiment, the part that the present embodiment is not described in detail,
It can refer to the related description to Fig. 4.
Specifically, the judgement rotating unit 86 may include: the first reading unit, it is coaxial for reading traction machine in real time
The pulse value of upper encoder；First judging unit judges whether traction sheave has rotation for the pulse value according to encoder, in turn
Judge whether band-type brake power is effective.
Or
Specifically, the judgement rotating unit 86 may include: the second reading unit, it is coaxial for reading traction machine in real time
The rotation angle value of upper encoder；Second judging unit judges whether traction sheave has for the rotation angle value according to encoder
Rotation, and then judge whether band-type brake power is effective.
Present embodiments provide a kind of elevator internal contracting brake power self-test and band-type brake crash protection system, the present invention by artificial or
Default Auto-Sensing Mode, is in system under band-type brake power autonomous test pattern, detects empty carriage and opens under band-type brake state, driving output
Trimming moment, according to the trimming moment calculate simulation overload condition under torque, under band-type brake closed state, to traction sheave
Whether cage side imposes overload torque, judges whether traction sheave has rotation in this state, thus further effective to band-type brake power
Determined, simplifies detection method process.
Shown in sum up, the invention discloses a kind of elevator internal contracting brake power self-test and band-type brake failure protection method and systems, should
Method includes: to make carriage and right from elevator controlling and driver to the input of traction sheave cage side under elevator internal contracting brake opening state
The trimming moment of galassing weighing apparatus；Under elevator internal contracting brake closed state, overload torque is calculated, and input and overload to traction sheave cage side
Whether torque rotates judgement band-type brake according to traction sheave under elevator overload state according to trimming moment simulant elevator overload condition
Whether power is effective；When traction sheave is there is no rotating, determine that band-type brake power is effective, then exits the recovery pair of band-type brake power autonomous test pattern
Outer service；When traction sheave rotates, determine band-type brake power it is invalid, then drive to traction sheave cage side export maintain carriage with it is right
The torque of galassing weighing apparatus, and fault warning is reported and submitted, it issues alarm signal and stops externally service.The present invention passes through artificial or default self-test
Mode is in system under band-type brake power autonomous test pattern, detects empty carriage and opens under band-type brake state, drives the equilibrant force of output
Square calculates the torque under simulation overload condition according to the trimming moment and applies under band-type brake closed state to traction sheave cage side
With the torque that overloads, judge whether traction sheave has rotation in this state, so that further whether band-type brake power is effectively determined,
Simplify detection method process.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of elevator internal contracting brake power self-test and band-type brake failure protection method characterized by comprising
Under elevator internal contracting brake opening state, make the carriage and counterweight from elevator controlling and driver to the input of traction sheave cage side
The trimming moment of balance, the trimming moment are the deviation of weight of the carriage and counterweight under zero load；
Under elevator internal contracting brake closed state, the elevator controlling and driver are according to trimming moment simulant elevator overload shape
State calculates overload torque, the overload torque is inputted from elevator controlling and driver to the traction sheave cage side, described
Whether rotate determine whether band-type brake power is effective according to traction sheave under elevator overload state；
When there is no determining that the band-type brake power is effective, then exit the band-type brake power autonomous test pattern when rotation for the traction sheave
Restore externally service；
When the traction sheave rotates, determine that the band-type brake power is invalid, then drives to export to the traction sheave cage side and tie up
The torque of the carriage and counterbalancing is held, and reports and submits fault warning, alarm signal is issued and stops externally service.
2. elevator internal contracting brake power self-test according to claim 1 and band-type brake failure protection method, which is characterized in that it is described
Under elevator internal contracting brake opening state, make the carriage and counterbalancing from elevator controlling and driver to the input of traction sheave cage side
Trimming moment specifically:
Judge the operating status of elevator controlling and driver；
When being determined as light condition, triggering enters band-type brake power autonomous test pattern；
The elevator controlling and driver control elevator are run to default designated floor under the band-type brake power autonomous test pattern, and
Stop externally service；
The elevator controlling and driver control open elevator internal contracting brake and output torque, adjust carriage and counterbalancing, and obtain
Make the trimming moment of the carriage and counterbalancing.
3. elevator internal contracting brake power self-test according to claim 1 and band-type brake failure protection method, which is characterized in that in elevator
Under band-type brake closed state, the elevator controlling and driver calculate excess of export according to the trimming moment simulant elevator overload condition
Torque is carried, the overload torque is inputted from elevator controlling and driver to the traction sheave cage side, in the elevator overload shape
Whether rotate determine whether band-type brake power is effective according to traction sheave under state specifically:
Under band-type brake closed state, according to the trimming moment simulant elevator overload condition, the overload torque is calculated；
The overload torque is inputted from elevator controlling and driver to the traction sheave cage side；
After overload torque output is stablized, judge whether band-type brake power has according to whether the traction sheave of the elevator rotates
Effect.
4. elevator internal contracting brake power self-test according to claim 3 and band-type brake failure protection method, which is characterized in that described
Judge whether band-type brake power is effective according to whether the traction sheave of the elevator rotates specifically:
The pulse value that traction machine coaxially goes up encoder is read in real time；
Judge whether the traction sheave has rotation according to the pulse value of the encoder, and then judges whether band-type brake power is effective.
5. elevator internal contracting brake power self-test according to claim 3 and band-type brake failure protection method, which is characterized in that described
Judge whether band-type brake power is effective according to whether the traction sheave of the elevator rotates specifically:
Traction machine coaxially upper encoder rotation angle value is read in real time；
Judge whether the traction sheave has rotation according to the rotation angle value of the encoder, and then judges whether band-type brake power has
Effect.
6. a kind of elevator internal contracting brake power self-test and band-type brake crash protection system characterized by comprising
Trimming moment input unit, under elevator internal contracting brake opening state, from elevator controlling and driver to traction sheave carriage
Side inputs the trimming moment for making the carriage and counterbalancing, and the trimming moment is the weight of the carriage and counterweight under zero load
Deviation；
Judging unit, under elevator internal contracting brake closed state, the elevator controlling and driver to be according to the trimming moment mould
Quasi- elevator overload state, calculates overload torque, described super from elevator controlling and driver to traction sheave cage side input
Torque is carried, whether rotates determine whether band-type brake power is effective according to traction sheave under the elevator overload state；When the traction sheave
There is no determining that the band-type brake power is effective when rotation, then exits the band-type brake power autonomous test pattern and restore externally service；Work as institute
When stating traction sheave and rotating, determine that the band-type brake power is invalid, then drive to cage side output maintain the carriage with it is right
The torque of galassing weighing apparatus, and fault warning is reported and submitted, it issues alarm signal and stops externally service.
7. elevator internal contracting brake power self-test according to claim 6 and band-type brake crash protection system, which is characterized in that described flat
Weighing apparatus torque input unit include:
Judging unit, for judging the operating status of elevator controlling and driver；
Trigger unit, for when being determined as light condition, triggering to enter band-type brake power autonomous test pattern；
Control unit, under the band-type brake power autonomous test pattern elevator controlling and driver control elevator run to pre-
If designated floor, and stop externally service；
Acquiring unit opens elevator internal contracting brake and output torque for the elevator controlling and driver control, adjusts carriage and right
Galassing weighing apparatus, and obtain the trimming moment for making the carriage and counterbalancing.
8. elevator internal contracting brake power self-test according to claim 6 and band-type brake crash protection system, which is characterized in that described to sentence
Order member includes:
Analogue unit, for according to the trimming moment simulant elevator overload condition, calculating described under band-type brake closed state
Overload torque；
Input unit, for inputting the overload torque from elevator controlling and driver to the traction sheave cage side；
Rotating unit is judged, for whether turning after overload torque output is stablized according to the traction sheave of the elevator
It is dynamic to determine whether band-type brake power is effective.
9. elevator internal contracting brake power self-test according to claim 8 and band-type brake crash protection system, which is characterized in that described to sentence
Disconnected rotating unit includes:
First reading unit coaxially goes up the pulse value of encoder for reading traction machine in real time；
First judging unit for judging whether the traction sheave has rotation according to the pulse value of the encoder, and then judges
Whether band-type brake power is effective.
10. elevator internal contracting brake power self-test according to claim 8 and band-type brake crash protection system, which is characterized in that described
Judge that rotating unit includes:
Second reading unit coaxially goes up the rotation angle value of encoder for reading traction machine in real time；
Second judging unit, for judging whether the traction sheave has rotation according to the rotation angle value of the encoder, in turn
Judge whether band-type brake power is effective.
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| CN201610502922.1A CN106006267B (en) | 2016-06-30 | 2016-06-30 | A kind of elevator internal contracting brake power self-test and band-type brake failure protection method and system |
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| CN201610502922.1A CN106006267B (en) | 2016-06-30 | 2016-06-30 | A kind of elevator internal contracting brake power self-test and band-type brake failure protection method and system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106542394B (en) * | 2016-10-14 | 2018-11-02 | 上海新时达电气股份有限公司 | Detect the method and apparatus of brake sticking brake power |
| CN106494957B (en) * | 2016-10-14 | 2019-02-05 | 上海新时达电气股份有限公司 | Detect the method and device of brake sticking brake power |
| CN108059048B (en) * | 2017-11-13 | 2020-05-19 | 西子电梯科技有限公司 | Detection early warning system and early warning method for elevator brake |
| CN110510465B (en) * | 2019-08-09 | 2022-02-18 | 深圳市海浦蒙特科技有限公司 | Forced drive elevator starting control method and system |
| CN111717752B (en) * | 2020-06-18 | 2022-03-01 | 深圳市质量安全检验检测研究院 | Method, apparatus, storage medium and device for checking braking performance of elevator brake |
| CN113277394B (en) * | 2021-05-14 | 2022-12-16 | 无锡英威腾电梯控制技术有限公司 | Elevator personnel detection method and related device |
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