CN204873327U

CN204873327U - Prevent protection device of elevator car removal

Info

Publication number: CN204873327U
Application number: CN201520659152.2U
Authority: CN
Inventors: 黄勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-08-28
Filing date: 2015-08-28
Publication date: 2015-12-16
Anticipated expiration: 2025-08-28

Abstract

The utility model relates to a prevent protection device of elevator car removal, it includes safe contactor KM1, control chip MCU, executable module T, signal acquisition module, the signal acquisition module includes lock contactor KM2, band -type brake contactor KM3, operation contactor KM4, control inductive switch SW is connected with the control chip MCU electricity, lock contactor KM2, band -type brake contactor KM3, operation contactor KM4 and control inductive switch SW all are in the operating position, and control chip MCU output signal makes the safety switch S1 intercommunication, and elevator car moves, elevator car operation, and arbitrary off -state that is in in four, then control chip MCU exports fault -signal, through the fault -signal of monitoring elevator operation in -process to come output signal through control chip MCU, for example cutting off safety switch S1, executable module T triggers and presss from both sides rope ware action etc. Makes the elevator car bring to rest.

Description

The fender guard of anti-lift car movement

Technical field

The utility model relates to fault correction or the technical field of safety devices of elevator operation, the fender guard of particularly a kind of anti-lift car movement.

Background technology

Vertical lift elevator has a car; operate between the vertical rigid guideway of at least two row; take advantage of people or carrying goods for tier building, it comprises traction system, guidance system, car, door system, weight balancing system, electric drive system, electric control system and safety system.

Traction system: comprise towing machine, traction steel-cable, track adjusting wheel, diversion sheave, for exporting and transferring power, makes elevator run.

Guidance system: comprise guide rail, lead boots and guide rail bracket, for limiting the freedom of movement of car and counterweight, makes car and counterweight can only do dipping and heaving along guide rail.

Car: for the elevator assemblies of passenger-carrying and goods, be the working portion of elevator.

Door system: comprise car door, layer door, door opener and door lock assembly, for sealing landing entrance and car entrance.

Weight balancing system: comprise counterweight and weight compensation means, for relative equilibrium car weight, can make the weight difference between car and counterweight remain within limit in elevator work, ensures that the traction-driven of elevator is normal.

Electric drive system: comprise hoisting motor, electric power system, speed feedback device, motor speed control device, for providing power, carrying out elevator speed and controlling.

Electric control system: comprise operating control, lever position indicator, control panel (cabinet), leveling device and floor selector, handles for carrying out the operation of elevator and controls.

Safety system: comprise elevator governor, safety tongs, wire holder, energy disperser, safety edge, layer door lock, lift safety window, elevator overload restraint device and limit switch device; for ensureing that elevator safety uses, the accident preventing all from jeopardizing personal safety occurs.

Therefore safety system is an important step of elevator, needs to provide complete protection system, the safe operation of guarantee elevator, avoids the generation of safety misadventure.

Utility model content

In order to overcome the deficiency of background technology, the utility model provides a kind of fender guard of anti-lift car movement.

The technical scheme that the utility model adopts is: a kind of fender guard of anti-lift car movement, monitor with for elevator faults, it comprises safety contactor KM1, comprises control chip MCU, the safety switch S1 of elevator cage operation is electrically connected, for controlling the break-make of elevator safety loop; Execution module T, one end is electrically connected with control chip MCU, and the other end is connected with wire holder, for triggering wire holder action; Signal acquisition module, is electrically connected with control chip MCU, for gathering the signal in running process of elevator, and transfers signals to control chip MCU; Described signal acquisition module comprises door lock contactless switch KM2, band-type brake contactless switch KM3, runs contactless switch KM4, and three is all connected in parallel between elevator safety loop; Monitoring inductive switch SW, is electrically connected with control chip MCU; Door lock contactless switch KM2, band-type brake contactless switch KM3, operation contactless switch KM4 and monitoring inductive switch SW are all in "on" position, and control chip MCU output signal makes safety switch S1 be communicated with, elevator cage operation; Elevator cage operation, and arbitrary off-state that is in door lock contactless switch KM2, band-type brake contactless switch KM3, operation contactless switch KM4 and monitoring inductive switch SW, then control chip MCU exports breakdown signal.

Described monitoring inductive switch SW is arranged on guide wheel of elevator, and this monitoring inductive switch SW is electrically connected with control chip MCU interface X4, for monitoring the dynamic of guide wheel of elevator.

Described signal acquisition module comprises monitoring inductive switch SW, and this monitoring inductive switch SW is arranged on guide wheel of elevator, is electrically connected, for monitoring the dynamic of guide wheel of elevator by monitoring inductive switch SW with control chip MCU interface X4.

Described signal acquisition module comprises door lock contactless switch KM2, band-type brake contactless switch KM3 and runs contactless switch KM4.

Described execution module T comprises electromagnet, and described electromagnet is electrically connected with control chip MCU, and electromagnet triggers wire holder action by iron core.

Also comprise alarm module, described alarm module adopts buzzer phone B, and described buzzer phone B one end connects the interface Y3 of chip, other end ground connection.

Also be provided with reseting module E, described reseting module E is connected with control chip MCU.

Also comprise velocity limiter, velocity limiter triggers wire holder action by pull bar.

The beneficial effects of the utility model are: the breakdown signal in the utility model monitoring running process of elevator, and carry out output signal by control chip MCU, and such as cut off safety switch S1, execution module T triggers wire holder action etc., makes lift car out of service.

Accompanying drawing explanation

Fig. 1 is chip control circuit figure of the present utility model.

Fig. 2 is that elevator of the present utility model runs circuit diagram.

Fig. 3 is actuating unit schematic diagram of the present utility model.

1-wire holder, 2-electromagnet, 3-iron core, 4-velocity limiter, 5-pull bar, 6-safety switch.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model embodiment is described further:

As shown in Figure 1, a kind of fender guard of anti-lift car movement, monitor for elevator faults, it comprises safety contactor KM1, described safety contactor KM1 is arranged between elevator safety loop, control chip MCU, is electrically connected with the safety switch S1 of elevator cage operation, for controlling the break-make of elevator safety loop; Execution module T, one end is electrically connected with control chip MCU, and the other end is connected with wire holder 1, for triggering wire holder 1 action; Signal acquisition module, is electrically connected with control chip MCU, for gathering the signal in running process of elevator, and transfers signals to control chip MCU; Described signal acquisition module comprises door lock contactless switch KM2, band-type brake contactless switch KM3, runs contactless switch KM4, and three is all connected in parallel between elevator safety loop; Monitoring inductive switch SW, is electrically connected with control chip MCU; Door lock contactless switch KM2, band-type brake contactless switch KM3, operation contactless switch KM4 and monitoring inductive switch SW are all in "on" position, and control chip MCU output signal makes safety switch S1 be communicated with, elevator cage operation; Elevator cage operation, and arbitrary off-state that is in door lock contactless switch KM2, band-type brake contactless switch KM3, operation contactless switch KM4 and monitoring inductive switch SW, then control chip MCU exports breakdown signal, breakdown signal in monitoring running process of elevator, and carry out output signal by control chip MCU, such as cut off safety switch S1, execution module T triggers wire holder 1 action etc., makes lift car out of service.

As shown in Figure 2, elevator safety loop inputs from port Uin, port Uout exports, after safety contactor KM1 connects with safety switch S1, one termination port Uin, another termination port Uout, the switch-linear hybrid that wherein safety contactor KM1 is corresponding is in the total line be connected with port Uin, or in the total line be connected with port Uout, in the total line that door lock contactless switch KM2 mono-termination is connected with port Uout, the other end, after car door switch S 2, Room door switch S3, connects on node that safety contactor KM1 connects with safety switch S1.

Described monitoring inductive switch SW is arranged on guide wheel of elevator, this monitoring inductive switch SW is electrically connected with control chip MCU interface X4, for monitoring the dynamic of guide wheel of elevator, guide wheel of elevator rotates, monitoring inductive switch SW adhesive, monitoring inductive switch SW not adhesive, then explanation monitoring inductive switch SW damage, or track adjusting wheel itself should rotate and but not rotate, and namely elevator does not normally start, then control chip MCU can cut off safety switch S1 by output signal, and now wire holder 1 is failure to actuate; In addition, monitoring inductive switch SW can detect the rotating speed of track adjusting wheel simultaneously, such as monitors inductive switch SW and adopts sensor to survey rotating speed, if rotating speed is ultrafast, then also can export breakdown signal by control chip MCU.

Also comprise alarm module, described alarm module adopts buzzer phone B, described buzzer phone B one end connects the interface Y3 of chip, other end ground connection, monitoring inductive switch SW answers adhesive but not adhesive, while control chip MCU output signal cuts off safety switch S1, and meeting trigger alarm module, buzzer phone B is rung, with the faulty condition of sound warning elevator.

As shown in Figure 3, described execution module T comprises electromagnet 2, and described electromagnet 2 is electrically connected with control chip MCU, and described door lock contactless switch KM2, when elevator normally runs, is adhesive; Described band-type brake contactless switch KM3, when elevator normally runs, is adhesive, represents not braking state; Described operation contactless switch KM4 obtains elevator run signal, i.e. adhesive; Door lock contactless switch KM2, band-type brake contactless switch KM3 and adhesive while of running contactless switch KM4 three, elevator just can run, a wherein arbitrary not adhesive, and elevator has run, then control chip MCU can output signal to electromagnet 2, trigger wire holder 1 action by the iron core 3 of electromagnet 2, meanwhile, control chip MCU can cut off safety switch S1 by output signal; In addition, as long as elevator does not give run signal, lift car has movement, then in mobile 30 centimeters, namely control chip MCU can output signal to electromagnet 2, trigger wire holder 1 action by the iron core 3 of electromagnet 2, lift car now move may bad by drg, traction sheave friction coefficient is not up to standard, the factors such as car of slipping cause.

Also comprise velocity limiter 4, velocity limiter 4 triggers wire holder 1 action by pull bar 5, velocity limiter 4 triggers wire holder 1 action by pull bar 5, when velocity limiter 4 records the up hypervelocity of lift car or overspeed descending, then and pull bar 5 action, trigger wire holder 1 action, meanwhile, the safety switch 6 on velocity limiter 4 can disconnect, make safety contactor break KM1 disconnect, thus safety switch S1 disconnects, door lock contactless switch KM2 is finally made to disconnect.

Also be provided with reseting module E, described reseting module E is connected with control chip MCU, for the modules that resets to initial position.

Below described by reference to the accompanying drawings embodiment is only preferred implementation of the present utility model, and the restriction not to protection domain of the present utility model, and any improvement done based on the utility model spirit all ought within the utility model protection domain.

Claims

1. a fender guard for anti-lift car movement, for elevator faults monitoring, it comprises safety contactor KM1, it is characterized in that: comprise

Control chip MCU, is electrically connected with the safety switch S1 of elevator cage operation, for controlling the break-make of elevator safety loop;

Execution module T, one end is electrically connected with control chip MCU, and the other end is connected with wire holder (1), for triggering wire holder (1) action;

Signal acquisition module, is electrically connected with control chip MCU, for gathering the signal in running process of elevator, and transfers signals to control chip MCU;

Described signal acquisition module comprises door lock contactless switch KM2, band-type brake contactless switch KM3, runs contactless switch KM4, and three is all connected in parallel between elevator safety loop; Monitoring inductive switch SW, is electrically connected with control chip MCU;

Door lock contactless switch KM2, band-type brake contactless switch KM3, operation contactless switch KM4 and monitoring inductive switch SW are all in "on" position, and control chip MCU output signal makes safety switch S1 be communicated with, elevator cage operation; Elevator cage operation, and arbitrary off-state that is in door lock contactless switch KM2, band-type brake contactless switch KM3, operation contactless switch KM4 and monitoring inductive switch SW, then control chip MCU exports breakdown signal.

2. the fender guard of anti-lift car movement according to claim 1; it is characterized in that: described monitoring inductive switch SW is arranged on guide wheel of elevator; this monitoring inductive switch SW is electrically connected with control chip MCU interface X4, for monitoring the dynamic of guide wheel of elevator.

3. the fender guard of anti-lift car movement according to claim 1; it is characterized in that: described execution module T comprises electromagnet (2); described electromagnet (2) is electrically connected with control chip MCU, and electromagnet (2) triggers wire holder (1) action by iron core (3).

4. the fender guard of anti-lift car movement according to claim 1, is characterized in that: also comprise alarm module, and described alarm module adopts buzzer phone B, and described buzzer phone B one end connects the interface Y3 of chip, other end ground connection.

5. the fender guard of anti-lift car movement according to claim 1, is characterized in that: be also provided with reseting module E, and described reseting module E is connected with control chip MCU.

6. the fender guard of anti-lift car movement according to claim 1, is characterized in that: also comprise velocity limiter (4), and velocity limiter (4) triggers wire holder (1) action by pull bar (5).