CN107043052A - A kind of machine-roomless elevator mainframe safety detection control device and method - Google Patents

A kind of machine-roomless elevator mainframe safety detection control device and method Download PDF

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Publication number
CN107043052A
CN107043052A CN201710156737.6A CN201710156737A CN107043052A CN 107043052 A CN107043052 A CN 107043052A CN 201710156737 A CN201710156737 A CN 201710156737A CN 107043052 A CN107043052 A CN 107043052A
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CN
China
Prior art keywords
elevator
machine
switch
safety
detection switch
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Granted
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CN201710156737.6A
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CN107043052B (en
Inventor
彭晓炜
谭峥嵘
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Guangzhou Guangri Elevator Industry Co Ltd
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Guangzhou Guangri Elevator Industry Co Ltd
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Priority to CN201710156737.6A priority Critical patent/CN107043052B/en
Publication of CN107043052A publication Critical patent/CN107043052A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • B66B5/0018Devices monitoring the operating condition of the elevator system
    • B66B5/0031Devices monitoring the operating condition of the elevator system for safety reasons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/021Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

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  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The invention provides a kind of machine-roomless elevator mainframe safety detection control device and method, including mounting bracket, the detection switch being arranged on the mounting bracket, the controller for being connected with detection switch and forming control loop, it is arranged on elevator main and the detection switch is acted when elevator main topples and make re-packing for control loop closure, the action detection switch that re-packs closes control loop, and the output signal control elevator that controller feeds back according to detection switch is run.The machine-roomless elevator mainframe safety detection control device that the present invention is provided, it can detect whether elevator main reaches predetermined angle of inclination, and control elevator to run.

Description

A kind of machine-roomless elevator mainframe safety detection control device and method
Technical field
The present invention relates to a kind of machine-roomless elevator mainframe safety detection control device and method.
Background technology
Ultimate attainment space utilization is all being pursued by current major machine-roomless lift producers, to embody the advantage of machine-roomless lift, Therefore the hoistway space constantly compressed is installed to elevator main and proposes higher requirement, and the setting of mainframe is more and more succinct tight Gather.As shown in figure 1, elevator main stress mainly has two parts, one is the deadweight G of elevator main 1, and two be the load of boss rod 2 F, wherein F include car deadweight, load-carrying, load weight, steel wire rope and compensated chain etc..It can thus be concluded that mechanism makes a concerted effort to be T=G+F, Center of gravity falls between G and F, and can be moved with the increase of car weight to F sides.Organic house-owner's machine has larger in computer room Space arrangement, frame span is larger, and Shockproof rubber fulcrum can be relatively distant from mechanism center of gravity end positions setting, it is overall by Power relative equilibrium, the change of center of gravity is smaller to mechanisms influence, and stability is high.And common main frame overhead type elevator without machine room, it is Raising hoistway utilization rate, main frame is generally located in the small space above counterweight in the middle of car and well enclosure, and in order to drop The vibrations of main frame and noise in low hoistway, main frame can all set Shockproof rubber, compared with organic house-owner's machine is installed, Shockproof rubber branch Point is arranged far from center of gravity two ends like that without the organic room of the image of Buddha, and narrow and small installing space causes the rubber position of the fulcrum of main machine base More concentrate, therefore whole main frame mounting structure stability is relatively low, as T is offset toward F sides, trend of main frame toppling also just is cured Plus substantially.The minor deviations installed, change of main frame carrying etc. are produced, the influence for main frame swing angle is also just bigger.And Main frame drift angle is excessive, and in the presence of long-time, either to the antifatigue of yielding rubber, or mechanical structure stress reasonability Have than large effect, be unfavorable for the overall structural stability of main frame installing mechanism, or even the frictional force of steel wire rope also can Certain potential safety hazard can be had by producing elevator continuous service under influence, the state.And main frame drift angle is that comparison is micro- in itself Small change, arranges that environment is in hoistway, to cause this state to be more difficult to discover with reference to the main frame of machine room.Therefore how Effectively machine room main frame inclination conditions are detected and controlled, are that this lift product of new generation of machine-roomless lift can not The critical function of ignorance.
The content of the invention
Not enough based on more than, one aspect of the present invention technical problem to be solved is to provide a kind of machine-roomless elevator mainframe safety Detection control apparatus, it can detect whether elevator main reaches predetermined angle of inclination, and control elevator to run.
In order to solve the above technical problems, present invention employs following technical scheme:
A kind of machine-roomless elevator mainframe safety detection control device, including mounting bracket, the inspection that is arranged on the mounting bracket Slowdown monitoring switch, the controller for being connected with detection switch and forming control loop, it is arranged on elevator main and inclines in elevator main The detection switch is acted when covering makes re-packing for the control loop closure, and the action detection switch that re-packs closes control loop Close, the output signal control elevator that controller feeds back according to detection switch is run.
Be provided with the mounting bracket in mounting seat, the mounting seat be provided with along the direction re-packed it is oval Hole, the detection switch is fixed on the slotted hole by screw bolt and nut.
The mounting bracket is by pressing code to be fixed on cage guide.
The mounting bracket includes being arranged on the baffle plate on the elevator main prevented elevator main from toppling.
Beam is provided between the baffle plate and the main frame.
The mounting bracket is quadra, and yielding rubber is arranged on the bottom of the mounting bracket, and the detection switch is set At the top of the mounting bracket.
Also include for detecting whether have safety return circuit disconnect caused by car jerk safety switch, for detecting whether There is loop of the door lock to disconnect the overload the switch whether door interlock switch and detection elevator of caused car jerk overload, the overload Switch, safety switch and door interlock switch are electrically connected with the controller.
Also include alarm module and frequency-variable module, the alarm module and frequency-variable module are connected with the controller.
Using above technical scheme, the present invention achieves following technique effect:
(1) machine-roomless elevator mainframe safety detection control device, is re-packed by being set on main frame, when main frame is tilted, Detection switch can be touched by re-packing, and control loop closure, controller signals point is connected, and send corresponding instruction, control elevator Operation, signal an alert points out fault message;
(2) direction re-packed is provided with slotted hole in mounting seat, detection switch can be adjusted relative to beating The distance of plate, and then adjust the maximum tilt angle of elevator main;
(3) beam is set between installing plate and elevator main, main frame tilting moment can be born, horizontal direction is played Cushioning effect;
(4) detection switch is arranged on the position away from yielding rubber on mounting bracket, and the action deviation of detection switch accounts for head office The ratio of journey reduces, and the influence for detection angles is also just smaller.
The another aspect of the present invention technical problem to be solved is to provide a kind of based on the inspection safely of above-mentioned machine-roomless elevator mainframe The elevator main angle of inclination detection control method of control device is surveyed, be the described method comprises the following steps:
(1) in elevator operation, detection switch action judges whether by abnormal condition, the higher condition of control relative importance value Cause car jerk, in this way, enter step (2) after elevator recovers normally;Such as no, control elevator is with inspection speed or positive constant speed Degree, operation to position stop leveling opening, and send the alarm song that reminding passengers leave car nearby;
(2) judge whether detection switch recovers non-action status, in this way, perform step (3), it is such as no, perform step (4);
(3) record shows DTC 1, adds up action frequency, and judges whether action frequency reaches n times, in this way, performs step (4) it is, such as no, return to step (1);
(4) DTC 2 is recorded, Elevator landing elevator door is opened, continuously sends out alarm song and prevent passenger from entering elevator, wait Maintenance maintainer processing main frame inclination angle problem.
The step (1) comprises the following steps:
(11) elevator is normally run, detection switch action, performs step (12);
(12) determine whether that safety return circuit, loop of the door lock disconnect caused car jerk, in this way, treat that elevator stops completely And after stabilization, into step (2);If not, performing step (13);
(13) judge elevator overload switch whether output signal, in this way, after overload condition releasing after enter step (2);Such as No, control elevator is with inspection speed or normal speed, operation to position stop leveling opening, and send reminding passengers nearby Leave the alarm song of car.
Using above technical scheme, the present invention achieves following technique effect:
The machine-roomless elevator mainframe safety detection control method that the present invention is provided, can first judge whether by abnormal condition Cause the inclination angle of elevator main is of short duration to exceed permissible value, then the inclination angle of elevator main is judged, and output control is instructed, Avoid as far as possible output order confusion and as far as possible exclude misoperation possibility, reduce maintenance maintainer workload and Reduce the influence experienced to occupant ride.
Brief description of the drawings
Fig. 1 is the detection structure chart of machine-roomless elevator mainframe in background technology;
Fig. 2 is the structure chart of machine-roomless elevator mainframe safety detection control device of the present invention;
Fig. 3 is enlarged drawing at I shown in Fig. 2;
Fig. 4 is A-A sectional views shown in Fig. 2;
Fig. 5 is the schematic diagram of movements of elevator main detection control apparatus of the present invention;
Fig. 6 is the control principle drawing of elevator main detection control apparatus of the present invention.
Embodiment
As shown in Fig. 2-Fig. 6, machine-roomless elevator mainframe safety detection control device of the present invention includes
Including mounting bracket 3, the detection switch being arranged on mounting bracket 34, it is connected and is formed with detection switch 4 and control back The controller 11 on road, it is arranged on elevator main 1 and the detection switch 4 is acted when elevator main 1 topples and make the control Circuit closed re-packs 6, and 6 action detection switchs 1 that re-pack close control loop, and controller 11 is anti-according to detection switch 4 The output signal control elevator operation of feedback.Re-pack and touch detection switch, close control loop, controller control elevator operation The main circuit by detection switch and controller, which is connected, to be realized.
As shown in figs 2-4, re-pack 6 using elevator mains 1 preformed hole or hole for hoist, be bolted and be fixed on electricity On terraced main frame 1, re-pack 6 elongated, top is stretched out outside the top of elevator main 1.Mounting bracket 3 is led by pressing code to be fixed on elevator On rail.Mounting bracket 3 includes the installing plate 31 for being arranged on the top of elevator main 1.Mounting seat 32, mounting seat are provided with installing plate 31 The direction vertically re-packed is provided with slotted hole 321 on 32, detection switch is fixed on slotted hole 321 by screw bolt and nut, Position of the detection switch 4 on button actions direction can be adjusted by slotted hole 321, detection switch can be adjusted to re-packing Distance, and then adjust maximum tilt angle.Installing plate 31 is arranged on the top of elevator main 1, installing plate 31 can also be as anti- The baffle plate that only elevator main 1 topples.Beam 5 can be set between installing plate 31 and elevator main 1, bear main frame and topple power Square, plays horizontal direction cushioning effect.It should be noted that now beam 5 can not be in elevator main and installing plate two ends while being close to Connect, it is to avoid beam 5 is by longitudinal shear and influences the stressing conditions of beam 5.Detection switch is arranged on mounting bracket far From the position of yielding rubber.
As shown in figure 5, the operating principle of machine-roomless elevator mainframe safety detection control device is as follows:When main frame is tilted, band Dynamic 6 swings that re-pack being fixed on above elevator main 1, when angle of inclination reaches permissible value α, re-pack 6 touching detection switch 4. Wherein, re-pack 6 with the gap width L of detection switch 4 setting, according to the actual requirement of correspondence elevator main arrangement, typically refer to In GB10060-2011 elevator codes for erection and inspection, " traction machine and guide wheel rim end face are with respect to water for the requirement of 5.1.7.5 The perpendicularity of plane is not preferably greater than 4/1000 " under unloaded or full-loading condition.We can draw tan α=L/H from Fig. 5, When the timing of drift angle α values one of permission, H values are bigger, and L values are also bigger, Production deviations, mounting and adjusting deviation, and detection switch is moved Make deviation (such as common Omron microswitch, action deviation be ± 0.8mm) etc. account for total kilometres ratio it is just smaller, for The influence of detection angles is also just smaller.Therefore, mounting bracket makes quadra, and elevator main is arranged in mounting bracket, damping rubber Glue is arranged on the bottom of mounting bracket 3, and detection switch 4 is arranged on the top of mounting bracket 3, away from the yielding rubber under elevator main, It also ensure that to the accurate of angle detection.In addition, pad also can be increased and decreased by between installing plate 31 and main frame 1 on beam 5, By changing the decrement of rubber, the screen resilience of rubber and the power of toppling of main frame is set to obtain a preferably balance so that main frame Either in unloaded or full-loading condition, angle of inclination can adjust, it is ensured that control is in the reasonable scope.Can by lift by crane counterweight, Car so that steel wire rope is in relaxed state, unclamps the wherein side bolt of beam 5 between installing plate and elevator main, this When main frame can insert or take out at beam 5 because only by self gravitation G, main frame is tilted slightly backward, just opening pad, it is complete Cheng Houzai discharges car and counterweight gravity.
Fig. 6 is the control principle drawing of machine-roomless elevator mainframe safety detection control device.Detection switch 4, overload switch 10, Safety switch 7 and door interlock switch 8 are electrically connected with controller 11, controller 11 also respectively with alarm module 9 and frequency-variable module 12 Electrical connection, safety switch 7 is for detecting whether there is band-type brake instantaneous relase caused by safety return circuit, and door interlock switch 8 is for detection No to have loop of the door lock to disconnect caused car jerk, overload switch 10 is used to detect whether elevator overloads.When detection switch 4, surpass Load switch 10, the OR gate lock-switch 8 of safety switch 7 are acted, and the control alarm module 9 of controller 11 sends alarm signal, and controls to become Frequency module 12 is controlled to elevator operation, and frequency-variable module can be elevator frequency converter.When re-pack 6 shake-up detection switch 4 after, inspection Signal circuit closure is surveyed, the corresponding signal point of controller mainboard is connected.Now, controller 11 combines overload switch 10, safety open The signal of 7 and the feedback of door interlock switch 8 is closed, corresponding control instruction is exported.
Present invention also offers a kind of machine-roomless elevator mainframe safety detection control method, methods described is as follows:
(1) elevator is normally run, detection switch action, and measure loop closure performs step (2);
(2) safety return circuit that controller is detected according to safety switch 7 detects that the door lock that signal and door interlock switch 8 are detected is returned Signal is detected on road, determines whether that safety return circuit, loop of the door lock etc. disconnect caused band-type brake instantaneous relase and cause car jerk, such as It is that car obtains extra temporary impact load, and elevator is generally in unstable state, and the swing of main frame also can be more violent, Also detection switch action can be touched, but is now to belong to the higher brake hard control category of control relative importance value, main frame inclination angle First output control instruction does not stop and after stabilization degree detection program completely after elevator, into step (5);If not, performing step (3);Wherein, safety switch 7 can be limiter of speed, safety gear switch etc., for detecting whether there is car caused by safety return circuit Jerk;Door interlock switch 8 is for detecting whether there is loop of the door lock to disconnect caused car jerk;
(3) judge elevator overload switch 10 whether output signal, in this way, elevator excess load, main frame inclination angle may also exceed Permissible value, but the zero load not required at us now is in fully loaded operating mode, therefore main frame angle of inclination detects that program is not also defeated Go out control instruction, enter step (5) after overload condition is released;If not, performing step (4);
(4) elevator is run to stop leveling opening nearby with inspection speed, and is sounded the alarm, and reminding passengers leave sedan-chair Railway carriage or compartment;
(5) judge whether detection switch recovers non-action status, in this way, perform step (6), it is such as no, perform step (7);
(6) record shows DTC 1, adds up action frequency, and judges whether action frequency reaches n times, in this way, performs step (7) it is, such as no, return to step (1);
(7) DTC 2 is recorded, Elevator landing elevator door is opened, continuously sends out alarm song and prevent passenger from entering elevator, wait Maintenance maintainer processing main frame inclination angle problem.
The machine-roomless elevator mainframe safety detection control method that the present invention is provided, it can be determined that whether by poles such as elevator jerks Unreasonable use of the elevator such as end operating mode or serious overload causes main frame inclination angle is of short duration to exceed permissible value, and output order is avoided as far as possible Confusion and as far as possible exclude misoperation possibility, reduce maintenance maintainer workload and reduce to occupant ride body The influence tested.
The present invention is monitored to the use process of machine-roomless lift, it is ensured that main frame mounting structure is in rational state, carries The high service life of elevator, the security performance of hoisting elevator.Rational control program is set simultaneously, detection control apparatus is reduced The influence used normal to elevator.
Finally it should be noted that:The preferred embodiments of the present invention are these are only, are not intended to limit the invention, although The present invention is described in detail with reference to embodiment, for those skilled in the art, it still can be to foregoing Technical scheme described in each embodiment is modified, or to which part technical characteristic carry out equivalent substitution, but it is all Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc. should be included in the protection of the present invention Within the scope of.

Claims (10)

1. a kind of machine-roomless elevator mainframe safety detection control device, it is characterised in that:Including mounting bracket, it is arranged on the installation Detection switch on frame, the controller for being connected with detection switch and forming control loop, it is arranged on elevator main and in electricity Terraced main frame acts the detection switch when toppling make re-packing for the control loop closure, and the action detection switch that re-packs makes control Circuit closed processed, the output signal control elevator that controller feeds back according to detection switch is run.
2. machine-roomless elevator mainframe safety detection control device according to claim 1, it is characterised in that:The mounting bracket On be provided with mounting seat, the mounting seat along the direction re-packed and be provided with slotted hole, the detection switch passes through Screw bolt and nut is fixed on the slotted hole.
3. machine-roomless elevator mainframe safety detection control device according to claim 1, it is characterised in that:The mounting bracket By pressing code to be fixed on cage guide.
4. machine-roomless elevator mainframe safety detection control device according to claim 1, it is characterised in that:The mounting bracket Including being arranged on the baffle plate on the elevator main prevented elevator main from toppling.
5. machine-roomless elevator mainframe safety detection control device according to claim 4, it is characterised in that:In the baffle plate Beam is provided between the elevator main.
6. machine-roomless elevator mainframe safety detection control device according to claim 1, it is characterised in that:The mounting bracket For quadra, yielding rubber is arranged on the bottom of the mounting bracket, and the detection switch is arranged on the top of the mounting bracket.
7. machine-roomless elevator mainframe safety detection control device according to claim 1, it is characterised in that:Also include being used for Detect whether that safety return circuit disconnects the safety switch of caused car jerk, caused for detecting whether there is loop of the door lock to disconnect Car jerk door interlock switch and the overload switch that whether overloads of detection elevator, the overload switch, safety switch and door Lock-switch is connected with controller.
8. machine-roomless elevator mainframe safety detection control device according to claim 1, it is characterised in that:Also include alarm Module and frequency-variable module, the alarm module and frequency-variable module are connected with the controller.
9. a kind of elevator main inclination angle of the machine-roomless elevator mainframe safety detection control device based on described in claim 1-8 Degree detection control method, it is characterised in that the described method comprises the following steps:
(1) in elevator operation, detection switch action judges whether that, by abnormal condition, the higher condition of control relative importance value causes Car jerk, in this way, enters step (2) after elevator recovers normally;It is such as no, elevator is controlled with inspection speed or normal speed, Run to position stop leveling opening, and send the alarm song that reminding passengers leave car nearby;
(2) judge whether detection switch recovers non-action status, in this way, perform step (3), it is such as no, perform step (4);
(3) record shows DTC 1, adds up action frequency, and judges whether action frequency reaches n times, in this way, performs step (4), It is such as no, return to step (1);
(4) DTC 2 is recorded, Elevator landing elevator door is opened, continuously sends out alarm song and prevent passenger from entering elevator, wait maintenance Maintainer's processing main frame inclination angle problem.
10. machine-roomless elevator mainframe safety detection control method according to claim 9, it is characterised in that the step (1) comprise the following steps:
(11) elevator is normally run, detection switch action, performs step (12);
(12) determine whether safety return circuit, loop of the door lock disconnect cause car jerk, in this way, treat elevator completely stop and stably Afterwards, into step (2);If not, performing step (13);
(13) judge elevator overload switch whether output signal, in this way, after overload condition releasing after enter step (2);Such as no, control Elevator processed is with inspection speed or normal speed, operation to position stop leveling opening nearby, and sends reminding passengers and leave The alarm song of car.
CN201710156737.6A 2017-03-16 2017-03-16 Device and method for detecting and controlling safety of host of elevator without machine room Active CN107043052B (en)

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CN201710156737.6A CN107043052B (en) 2017-03-16 2017-03-16 Device and method for detecting and controlling safety of host of elevator without machine room

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Application Number Priority Date Filing Date Title
CN201710156737.6A CN107043052B (en) 2017-03-16 2017-03-16 Device and method for detecting and controlling safety of host of elevator without machine room

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CN107043052B CN107043052B (en) 2023-01-24

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11301944A (en) * 1998-04-24 1999-11-02 Otis Elevator Co Abnormal car shaking detector for elevator
JP2000351548A (en) * 1999-06-09 2000-12-19 Mitsubishi Electric Building Techno Service Co Ltd Passenger rescue operation device and passenger rescue operation method for elevator
JP2008308240A (en) * 2007-06-12 2008-12-25 Mitsubishi Electric Corp Elevator control device
CN205855667U (en) * 2016-07-28 2017-01-04 苏州富士电梯有限公司 A kind of protection device of elevator main
CN206783042U (en) * 2017-03-16 2017-12-22 广州广日电梯工业有限公司 A kind of machine-roomless elevator mainframe safety detection control device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11301944A (en) * 1998-04-24 1999-11-02 Otis Elevator Co Abnormal car shaking detector for elevator
JP2000351548A (en) * 1999-06-09 2000-12-19 Mitsubishi Electric Building Techno Service Co Ltd Passenger rescue operation device and passenger rescue operation method for elevator
JP2008308240A (en) * 2007-06-12 2008-12-25 Mitsubishi Electric Corp Elevator control device
CN205855667U (en) * 2016-07-28 2017-01-04 苏州富士电梯有限公司 A kind of protection device of elevator main
CN206783042U (en) * 2017-03-16 2017-12-22 广州广日电梯工业有限公司 A kind of machine-roomless elevator mainframe safety detection control device

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