CN106081989A - A kind of elevator internal contracting brake detection device and method - Google Patents
A kind of elevator internal contracting brake detection device and method Download PDFInfo
- Publication number
- CN106081989A CN106081989A CN201610561620.1A CN201610561620A CN106081989A CN 106081989 A CN106081989 A CN 106081989A CN 201610561620 A CN201610561620 A CN 201610561620A CN 106081989 A CN106081989 A CN 106081989A
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- Prior art keywords
- type brake
- band
- control
- switch
- detection
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/24—Operating devices
- B66D5/30—Operating devices electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention relates to a kind of elevator internal contracting brake detection device and method.Solve bilateral band-type brake is detected by prior art simultaneously, it is impossible to learn whether monolateral band-type brake breaks down, and improve current of electric and heating, cause the problem that motor damages.Device includes left band-type brake coil, right band-type brake coil, controls mainboard, the loop of left band-type brake coil is provided with left band-type brake and controls switch, the loop of right band-type brake coil is provided with right band-type brake and controls switch, left band-type brake controls switch and right band-type brake controls switch and is connected respectively to control on mainboard, control to connect on mainboard and have left detection switch, and control to detect on left band-type brake the right detection switch of moment output.Left and right band-type brake moment is successively detected by device.It is an advantage of the invention that the monolateral detection realized band-type brake, it is therefore prevented that the monolateral work of band-type brake is abnormal causes fault.
Description
Technical field
The present invention relates to a kind of elevator technology field, especially relate to a kind of elevator internal contracting brake detection device and method.
Background technology
The band-type brake of elevator is the important device allowing elevator keep resting state time out of service, and in actual use, particularly in the elevator using gearless electrical machine, if band-type brake causes band-type brake moment inadequate because of abrasion, then elevator may be caused to slip car and to rush to summit and produce security incident.It is thus desirable to whether periodic detection elevator internal contracting brake can reliably be braked.
Some elevator setting have the bilateral band-type brake in left and right at present, and each producer is all to detect both sides band-type brake simultaneously, i.e. both sides band-type brake is all not switched on, and system provides the rated moment of maximum to 150%, and detection traction sheave displacement situation judges that band-type brake is the most normal.But this moment inspecting cannot to wherein on one side band-type brake detect, easily make wherein band-type brake testing staff of breaking down also cannot know.Improve current of electric and heating, be easily caused the damage to motor.
Summary of the invention
The present invention mainly solves to detect bilateral band-type brake in prior art simultaneously, cannot learn whether monolateral band-type brake breaks down, and improve current of electric and heating, cause the problem that motor damages, provide one and carry out monolateral detection, prevent the elevator internal contracting brake detection device and method that motor damages.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals: a kind of elevator internal contracting brake detection device, including left band-type brake coil, right band-type brake coil, control mainboard, the loop of left band-type brake coil is provided with the left band-type brake control switch controlling loop break-make, the loop of right band-type brake coil is provided with the right band-type brake control switch controlling loop break-make, left band-type brake controls switch and right band-type brake controls switch and is connected respectively to control on mainboard, control to connect on mainboard to have and control to detect on right band-type brake the left detection switch of moment output and control to detect on left band-type brake the right detection switch of moment output.Left and right band-type brake coil is individually controlled by the present invention, it is achieved the monolateral detection to band-type brake, it is therefore prevented that the monolateral work of band-type brake is abnormal causes fault.Left band-type brake controls switch, right band-type brake controls to switch controlled mainboard and controls, left band-type brake controls switch Guan Bi, the most left band-type brake coil turns on the most left band-type brake and unclamps, the most left detection switch Guan Bi, output detections moment on right band-type brake, right band-type brake moment is detected, right band-type brake controls switch Guan Bi, and the rightest band-type brake coil turns on the most left band-type brake and unclamps, the rightest detection switch Guan Bi, output detections moment on left band-type brake, detects left band-type brake moment.
Control mainboard: successively control left band-type brake, the detection of right band-type brake moment, during right band-type brake moment inspecting, control left band-type brake and control switch Guan Bi, unclamp left band-type brake, control left detection switch Guan Bi simultaneously, control motor to right band-type brake output detections moment, judge that right band-type brake is the most abnormal according to traction sheave change in displacement, to left band-type brake moment inspecting after detection is good, control right band-type brake and control switch Guan Bi, unclamp right band-type brake, control right detection switch Guan Bi simultaneously, according to traction sheave change in displacement, control motor, to left band-type brake output detections moment, judges that left band-type brake is the most abnormal.
As a kind of preferred version, control mainboard and include controlling according to left band-type brake the left-handed opening control output end of switch open and-shut mode output control signal, and the right on-off control outfan of switch open and-shut mode output control signal is controlled according to right band-type brake, the control end of left detection switch is connected with left-handed opening control output end, and the control end of right detection switch is connected with right on-off control outfan.When left band-type brake controls switch Guan Bi, left-handed opening control output end output services signal, left detection switch Guan Bi.When right band-type brake controls switch Guan Bi, right on-off control outfan output services signal, right detection switch Guan Bi.
nullAs a kind of preferred version，Described left band-type brake controls switch and includes left contactor coil J1、Left catalyst first switchs K1、Left catalyst second switch K2，Described right band-type brake controls switch and includes right contactor coil J2、Right catalyst first switchs K3、Right catalyst second switch K4，Left band-type brake coil includes that the first connection end and second connects end、Right band-type brake coil includes that the 3rd connection end and the 4th connects end，First connection end and the 3rd connection end are connected together and are designated as node A，Node A is connected with positive source，Second connection end and the 4th connection end are connected together and are designated as node B，Node B is connected with power cathode，Left catalyst first switchs K1 and is connected on node A and first and connects between end on line，Right catalyst first switchs K3 and is connected on node A and the 3rd and connects between end on line，Left catalyst second switch K2 and right catalyst second switch K4 phase side by side after be connected between node B and power cathode on line，Left contactor coil J1 and right contactor coil J2 is connected respectively to control on mainboard.
As a kind of preferred version, device also includes and controls the control switch of the operation to band-type brake coil break-make, run control switch to include running contactor coil J3 and running contactless contactor K5, run contactor coil J3 to be connected to control on mainboard, run contactless contactor K5 and be connected between node A and positive source on line.Run and control on-off control left band-type brake coil and right band-type brake wire loop break-make, play the effect of main switch.
As a kind of preferred version, including the converter controlling output detections moment, inverter input is connected with controlling mainboard, and inverter output terminal is connected with motor.Control mainboard control converter and improve the torque current value of output at set intervals so that torque current is in increasing change the most piecemeal.Torque current promotes the most piecemeal, and the difference of two sections of torque currents can be arranged as required to, and the torque current of this stage change makes motor be operated with the torque being stepped up.Detection moment exports in stepped change trend-monitoring, and this makes accuracy of detection higher, it is possible to reaction band-type brake moment variations trend.Motor is to control the traction motor that elevator runs, and is also the motor of output detections moment.
A kind of elevator internal contracting brake detection method, comprises the following steps:
S1. elevator is run to top layer；
S2. detecting right band-type brake moment, control left band-type brake and unclamp, control mainboard, by Frequency Converter Control motor, right band-type brake is exported a detection moment upwards, whether displacement judges that right band-type brake is the most normal to detection traction sheave；Being provided with encoder on main frame, encoder is connected with controlling mainboard, and traction sheave rotates then encoder and sends signal control mainboard, thus judges traction sheave whether displacement.If detecting, traction sheave displacement and change in displacement beyond set point, then judge improper, control mainboard and send prompting order, carry out fault cues by audible-visual annunciator etc..Owing to lift car is when top, provide the situation that detection moment upwards is band-type brake stress maximum, now device is wireless provides rated moment or i.e. reaches monolateral band-type brake duty and the detection of band-type brake moment higher than rated moment, greatly reduce current of electric and heating, prevent the damage to motor and converter.
The most then detecting left band-type brake moment, control right band-type brake and unclamp, control mainboard, by Frequency Converter Control motor, left band-type brake is exported a detection moment upwards, whether displacement judges that left band-type brake is the most normal to detection traction sheave.
The present invention realizes the monolateral detection to band-type brake, it is therefore prevented that the monolateral work of band-type brake is abnormal causes fault.
As a kind of preferred version, step S2 and S3 control mainboard control converter and exports the torque current of stage change continuously to motor, its process is: controls converter and improves the torque current value of output at set intervals so that torque current is in increasing change the most piecemeal.Control mainboard control converter and improve the torque current value of output at set intervals so that torque current is in increasing change the most piecemeal.Torque current promotes the most piecemeal, and the difference of two sections of torque currents can be arranged as required to, and the torque current of this stage change makes motor be operated with the torque being stepped up.Detection moment exports in stepped change trend-monitoring, and this makes accuracy of detection higher, it is possible to reaction band-type brake moment variations trend.
Therefore, the invention have the advantage that the monolateral detection realized band-type brake, it is therefore prevented that the monolateral work of band-type brake is abnormal causes fault.Without providing rated moment or i.e. reaching, to monolateral band-type brake duty and the detection of band-type brake moment, to greatly reduce current of electric and heating higher than rated moment, prevent the damage to motor and converter.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of electrical block diagram of the present invention.
1-left band-type brake coil 2-right band-type brake coil 3-controls mainboard 4-left detection switch 5-right detection switch 6-left-handed opening control output end 7-right on-off control outfan 8-converter.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment:
The present embodiment one elevator internal contracting brake detection device, as shown in Figure 1, including left band-type brake coil 1, right band-type brake coil 2, control mainboard 3, converter 8, being provided with the left band-type brake control switch of control loop break-make on the loop of left band-type brake coil, the right band-type brake control switch left band-type brake control switch being provided with control loop break-make on the loop of right band-type brake coil is connected respectively on control mainboard with right band-type brake control switch.Controlling to connect on mainboard has the left detection switch 4 controlling to detect on right band-type brake moment output and the right detection switch 5 controlling to detect on left band-type brake moment output.Inverter input is connected with controlling mainboard, and inverter output terminal is connected with motor.
Control mainboard and include controlling according to left band-type brake the left-handed opening control output end 6 of switch open and-shut mode output control signal, and the right on-off control outfan 7 of switch open and-shut mode output control signal is controlled according to right band-type brake, the control end of left detection switch 4 is connected with left-handed opening control output end, and the control end of right detection switch 5 is connected with right on-off control outfan.
Left band-type brake controls switch and includes that left contactor coil J1, left catalyst first switch K1, left catalyst second switch K2, and right band-type brake controls switch and includes that right contactor coil J2, right catalyst first switch K3, right catalyst second switch K4.Left band-type brake coil includes that the first connection end and second connects end, right band-type brake coil includes that the 3rd connection end and the 4th connects end, first connection end and the 3rd connection end are connected together and are designated as node A, node A is connected with positive source, second connection end and the 4th connection end are connected together and are designated as node B, node B is connected with power cathode, left catalyst first switchs K1 and is connected on node A and first and connects between end on line, right catalyst first switchs K3 and is connected on node A and the 3rd and connects between end on line, left catalyst second switch K2 and right catalyst second switch K4 phase side by side after be connected between node B and power cathode on line, left contactor coil J1 and right contactor coil J2 is connected respectively to control on mainboard.
A kind of elevator internal contracting brake detection method, comprises the following steps:
S1. elevator is run to top layer；
S2. detecting right band-type brake moment, control left band-type brake and unclamp, control mainboard, by Frequency Converter Control motor, right band-type brake is exported a detection moment upwards, whether displacement judges that right band-type brake is the most normal to detection traction sheave；
The most then detecting left band-type brake moment, control right band-type brake and unclamp, control mainboard, by Frequency Converter Control motor, left band-type brake is exported a detection moment upwards, whether displacement judges that left band-type brake is the most normal to detection traction sheave.
Step S2 and S3 control mainboard control converter and export the torque current of stage change continuously to motor, its process be: control converter and improve the torque current value of output at set intervals so that torque current is in increasing change the most piecemeal.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing left band-type brake coil, right band-type brake coil, controlling the term such as mainboard, left detection switch, but it is not precluded from using the probability of other term.Use these terms to be only used to more easily to describe and explain the essence of the present invention；It is all contrary with spirit of the present invention for being construed as any additional restriction.
Claims (7)
1. an elevator internal contracting brake detection device, it is characterized in that: include left band-type brake coil (1), right band-type brake coil (2), control mainboard (3), the loop of left band-type brake coil (1) is provided with the left band-type brake control switch controlling loop break-make, the loop of right band-type brake coil (2) is provided with the right band-type brake control switch controlling loop break-make, left band-type brake controls switch and right band-type brake controls switch and is connected respectively to control on mainboard (3), control to connect on mainboard to have and control to detect on right band-type brake left detection switch (4) of moment output and control to detect on left band-type brake right detection switch (5) of moment output.
A kind of elevator internal contracting brake detection device the most according to claim 1, it is characterized in that controlling mainboard (3) includes controlling the left-handed opening control output end (6) of switch open and-shut mode output control signal according to left band-type brake, and the right on-off control outfan (7) of switch open and-shut mode output control signal is controlled according to right band-type brake, the control end of left detection switch (4) is connected with left-handed opening control output end, and the control end of right detection switch (5) is connected with right on-off control outfan.
nullA kind of elevator internal contracting brake detection device the most according to claim 1 and 2，It is characterized in that described left band-type brake controls switch and includes left contactor coil J1、Left catalyst first switchs K1、Left catalyst second switch K2，Described right band-type brake controls switch and includes right contactor coil J2、Right catalyst first switchs K3、Right catalyst second switch K4，Left band-type brake coil includes that the first connection end and second connects end，Right band-type brake coil includes that the 3rd connection end and the 4th connects end，First connection end and the 3rd connection end are connected together and are designated as node A，Node A is connected with positive source，Second connection end and the 4th connection end are connected together and are designated as node B，Node B is connected with power cathode，Left catalyst first switchs K1 and is connected on node A and first and connects between end on line，Right catalyst first switchs K3 and is connected on node A and the 3rd and connects between end on line，Left catalyst second switch K2 and right catalyst second switch K4 phase side by side after be connected between node B and power cathode on line，Left contactor coil J1 and right contactor coil J2 is connected respectively to control on mainboard (3).
A kind of elevator internal contracting brake detection device the most according to claim 3, it is characterized in that also including and control the control switch of the operation to band-type brake coil break-make, run control switch to include running contactor coil J3 and running contactless contactor K5, run contactor coil J3 to be connected to control on mainboard (3), run contactless contactor K5 and be connected between node A and positive source on line.
A kind of elevator internal contracting brake detection device the most according to claim 1 and 2, is characterized in that including the converter (8) controlling output detections moment, and inverter input is connected with controlling mainboard (3), and inverter output terminal is connected with motor.
6. an elevator internal contracting brake detection method, uses the device in any one of claim 1-5, it is characterized in that: comprise the following steps:
S1. elevator is run to top layer；
S2. detecting right band-type brake moment, control left band-type brake and unclamp, control mainboard, by Frequency Converter Control motor, right band-type brake is exported a detection moment upwards, whether displacement judges that right band-type brake is the most normal to detection traction sheave；
The most then detecting left band-type brake moment, control right band-type brake and unclamp, control mainboard, by Frequency Converter Control motor, left band-type brake is exported a detection moment upwards, whether displacement judges that left band-type brake is the most normal to detection traction sheave.
A kind of elevator internal contracting brake detection method the most according to claim 6, it is characterized in that controlling mainboard control converter in step S2 and S3 exports the torque current of stage change continuously to motor, its process is: controls converter and improves the torque current value of output at set intervals so that torque current is in increasing change the most piecemeal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610561620.1A CN106081989A (en) | 2016-07-14 | 2016-07-14 | A kind of elevator internal contracting brake detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610561620.1A CN106081989A (en) | 2016-07-14 | 2016-07-14 | A kind of elevator internal contracting brake detection device and method |
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| CN106081989A true CN106081989A (en) | 2016-11-09 |
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| CN201610561620.1A Pending CN106081989A (en) | 2016-07-14 | 2016-07-14 | A kind of elevator internal contracting brake detection device and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107654545A (en) * | 2017-10-09 | 2018-02-02 | 快意电梯股份有限公司 | Elevator main brake block abrasion detection means and detection method |
| CN108002164A (en) * | 2017-12-22 | 2018-05-08 | 深圳市特种设备安全检验研究院 | A kind of elevator brake operating state detection device and detection method |
| CN108002162A (en) * | 2017-11-27 | 2018-05-08 | 快意电梯股份有限公司 | Elevator internal contracting brake safety detection device and detection method |
| CN109466985A (en) * | 2018-12-12 | 2019-03-15 | 上海长江斯迈普电梯有限公司 | A kind of double embrace lock intelligence control system with warning function |
| US20210101777A1 (en) * | 2019-10-03 | 2021-04-08 | Otis Elevator Company | Elevator brake control |
| CN114148855A (en) * | 2021-12-08 | 2022-03-08 | 武汉捷能自动化技术有限公司 | Elevator brake control method and system |
| CN116262944A (en) * | 2021-12-15 | 2023-06-16 | 宝钢工程技术集团有限公司 | Method for testing tightness of converter band-type brake by utilizing torque control of frequency converter |
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Cited By (12)
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| CN107654545A (en) * | 2017-10-09 | 2018-02-02 | 快意电梯股份有限公司 | Elevator main brake block abrasion detection means and detection method |
| CN107654545B (en) * | 2017-10-09 | 2023-11-24 | 快意电梯股份有限公司 | Elevator host machine brake shoe abrasion detection device and detection method |
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| CN109466985A (en) * | 2018-12-12 | 2019-03-15 | 上海长江斯迈普电梯有限公司 | A kind of double embrace lock intelligence control system with warning function |
| CN109466985B (en) * | 2018-12-12 | 2021-02-09 | 上海长江斯迈普电梯有限公司 | Double-band-type brake intelligent control system with early warning function |
| US20210101777A1 (en) * | 2019-10-03 | 2021-04-08 | Otis Elevator Company | Elevator brake control |
| CN114148855A (en) * | 2021-12-08 | 2022-03-08 | 武汉捷能自动化技术有限公司 | Elevator brake control method and system |
| CN114148855B (en) * | 2021-12-08 | 2023-12-12 | 武汉捷能自动化技术有限公司 | Elevator band-type brake control method and system |
| CN116262944A (en) * | 2021-12-15 | 2023-06-16 | 宝钢工程技术集团有限公司 | Method for testing tightness of converter band-type brake by utilizing torque control of frequency converter |
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Application publication date: 20161109 |