CN219156207U

CN219156207U - Detection device for detecting opening and closing states of elevator door

Info

Publication number: CN219156207U
Application number: CN202223486259.0U
Authority: CN
Inventors: 丁峰; 储磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-09
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a detection device for detecting the opening and closing states of elevator doors, which comprises an elevator car, wherein the elevator car is provided with elevator car doors at two sides in front of the elevator car, transverse plates are arranged on the elevator car, sliding grooves are formed in one sides of the transverse plates, sliding blocks are inserted into the sliding grooves, sliding plates are connected onto the sliding blocks, grooves are formed in the sliding plates, encoders are arranged in the grooves, friction wheels are sleeved on rotor shafts of the encoders, connecting plates are arranged on one sides of the elevator car doors, guide rails are arranged on one sides of the connecting plates, guide rail bars are arranged on the guide rails, and the friction wheels are attached to the guide rail bars. When the car door is opened and closed, the guide rail on the car door can drive the friction wheel to rotate, so that the encoder generates signals, the signals generated by the encoder are transmitted to the computer through the signal processor, the computer can analyze whether the car doors on two sides are synchronously blocked when the car door is opened and closed or not through signal analysis and comparison, the ejector rod of the electric telescopic rod is controlled to retract, and the friction wheel is separated from the track bar, so that unnecessary abrasion is reduced.

Description

Detection device for detecting opening and closing states of elevator door

Technical Field

The utility model belongs to the technical field of elevator detection, and particularly relates to a detection device for detecting the opening and closing states of an elevator door.

Background

In order to ensure safe operation of the elevator, the elevator door opening and closing state is usually required to be detected, and as the elevator belongs to special equipment and is not allowed to directly acquire information from the equipment, the elevator can only be additionally provided with detection equipment to detect the elevator door opening and closing state, in the prior art, an infrared signal transmitter is additionally arranged on a camera in a car, infrared signal reflecting devices are arranged on the edges of the car doors on two sides, and when the two car doors are closed, the infrared signal transmitting devices can only receive signals fed back by the infrared signal reflecting devices, and the signal processor is used for judging whether the elevator doors are closed or not, so that the defects are that: in the prior art, when detecting the opening and closing state of the elevator door, the state of whether the elevator door is finally closed is detected, and the detection of whether the elevator door is blocked or not in the operation process is lacking.

Disclosure of Invention

The utility model aims to provide a detection device for detecting the opening and closing states of an elevator door, so as to solve the problem that detection of whether the elevator door is blocked or not in the running process and the like is lack in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a detection device for detecting lift-cabin door switch state, includes the car, the place ahead both sides department of car all is provided with the car door, all be provided with the diaphragm on the car, one side all is equipped with the spout on the diaphragm, all be inserted in the spout and be equipped with the slider, all be connected with the slide on the slider, all be equipped with the recess on the slide, all be provided with the encoder in the recess, the cover is equipped with the friction pulley on the rotor shaft of encoder, one side all is provided with the connecting plate on the car door, one side of connecting plate all is provided with the guide rail, be provided with the guide rail strip on the guide rail, the laminating guide rail strip of friction pulley.

Preferably, a vertical plate is arranged on one side of the transverse plate, an electric telescopic rod is arranged on one side of the vertical plate, a push rod of the electric telescopic rod is connected with one side of the sliding plate, and the push rod of the electric telescopic rod retracts to enable the friction wheel to be separated from the guide rail strip, so that unnecessary abrasion is reduced.

Preferably, friction wheel sleeves are sleeved on the friction wheels, and friction force between the friction wheel sleeves and the guide rail strips is increased to prevent slipping.

Preferably, one side of guide rail all is provided with even board, one side of even board all is provided with the inserted bar, the cover is equipped with the guide rail strip on the inserted bar, when the guide rail strip wearing and tearing, can remove it from the inserted bar and change, the guide rail strip can be further increase frictional force.

Preferably, a mounting hole is formed in the connecting plate on one side, an infrared distance sensor is arranged in the mounting hole, whether the car doors on two sides are completely closed or not can be judged through signal receiving of the infrared distance sensor, a wire hole is formed in the connecting plate above the mounting hole, a wire outlet ring is arranged at one end of the wire hole, and water entering the wire hole is prevented from damaging the infrared distance sensor by the wire outlet ring.

Compared with the prior art, the utility model has the beneficial effects that: when the car door is opened and closed, the guide rail on the car door can drive the friction wheel to rotate, so that the encoder generates signals, the signals generated by the encoder are transmitted to the computer through the signal processor, the computer can analyze whether the car doors on two sides are blocked synchronously when being opened and closed, when the opening and closing states of the elevator doors are not detected, the ejector rod of the electric telescopic rod can be controlled to retract, the friction wheel is separated from the track bar, unnecessary abrasion is reduced, and whether the car doors on two sides are completely closed can be judged by analyzing whether the infrared signal emitter can receive the signals.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic view of the utility model in left side cutaway;

fig. 3 is an enlarged schematic view at a in fig. 2.

In the figure: 1. a car; 2 car doors; 3. a cross plate; 4. a vertical plate; 5. an electric telescopic rod; 6. a chute; 7. a slide block; 8. a slide plate; 9. a groove; 10. an encoder; 11. a friction wheel; 12. a friction wheel sleeve; 13. a connecting plate; 14. a guide rail; 15. a connecting plate; 16. a rod; 17. a guide rail; 18. a mounting hole; 19. an infrared distance sensor; 20. a wire hole; 21. and (5) wire outgoing ring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 and 2, the embodiment of the utility model provides a detection device for detecting the opening and closing states of elevator doors, which comprises a car 1, wherein the car 1 is a box body with an opening at the front side, the front opening of the car 1 is provided with a car door 2, the car door 2 is a combined fitting of the car 1, transverse plates 3 are fixedly connected to the two sides of the car 1 through bolts, the transverse plates 3 are made of resin, vertical plates 4 are welded to the rear sides of the transverse plates 3, electric telescopic rods 5 are fixedly connected to the front sides of the vertical plates 4 through bolts, the model of the electric telescopic rods 5 is IP1200, the power input ends of the electric telescopic rods 5 are connected with the power output ends of an electric telescopic rod controller through cables, the power input ends of the electric telescopic rod controller are connected with a peripheral power source through cables, sliding grooves 6 are respectively arranged at the front sides of the transverse plates 3, sliding blocks 7 are respectively inserted in the sliding grooves 6 in a sliding way, the sliding blocks 7 are welded with sliding plates 8, the sliding plates 8 are L-shaped sliding plates, the electric telescopic rods 5 retract to pull the sliding plates 8 back, ejector rods of the electric telescopic rods 5 are connected with the sliding plates 8 on the same side in a threaded mode through screws, grooves 9 are formed in the sliding plates 8, encoders 10 are inserted in the grooves 9 in an interference mode, the types of the encoders 10 are E6B2-CWZ6C, power input ends of the encoders 10 are connected with an external power supply through cables, signal output ends of the encoders 10 are connected with a signal processor through signal cables, power input ends of the signal processor are connected with an external power supply through cables, signal output ends of the signal processor are connected with a computer through USB transmission lines, friction wheels 11 are arranged on rotor shafts of the encoders 10 in an interference mode, friction wheel sleeves 12 are arranged on the friction wheels 11 in an interference mode, materials of the friction wheel sleeves 12 are rubber, and friction force is increased through the friction wheel sleeves 12 to prevent slipping.

As shown in fig. 1, 2 and 3, a connecting plate 13 is fixed on the rear side above the car door 2 on two sides by bolts, a guide rail 14 is welded on the rear side of the connecting plate 13, a connecting plate 15 is welded on the rear side of the guide rail 14, a plug rod 16 is welded on the rear side of the connecting plate 15, the plug rod 16 is a transverse cylinder, a guide rail bar 17 is sleeved on the plug rod 16 in an interference mode, the guide rail bar 17 is made of polypropylene, the surface of the guide rail bar 17 is provided with frosted, friction force between the guide rail bar 17 and the friction wheel 11 is increased to prevent slipping, when an ejector rod of the electric telescopic rod 5 stretches out to the maximum length, the friction wheel 11 is tightly attached to the guide rail bar 17, the rear side of the guide rail bar 17 is arc-shaped, so that the electric telescopic rod is easier to attach to the friction wheel 11, the guide rail bar 17 can be taken down for replacement after being worn, when the guide rail 14 moves, the guide rail bar 17 can drive the friction wheel 11 to rotate, a mounting hole 18 is formed in the connecting plate 13 on the right side, the infrared distance sensor 19 is inserted in the installation hole 18 in a sliding manner and is filled with resin glue, a reflecting plate is adhered to the horizontal position of the installation hole 18 on the left connecting plate 13, the type of the infrared distance sensor 19 is RMT18-G100A1, a signal output end of the infrared distance sensor 19 is connected with a signal input end of a signal processor through a cable, the signal input end is transmitted to a computer through the signal processor, the signal distance which can be received by the infrared distance sensor 19 when the elevator doors on two sides are closed on the computer is set to be the maximum receiving distance, so that whether the car door is closed or not is judged, a wire hole 20 is formed in the connecting plate 13 above the installation hole 18, the wire hole 20 is used for wiring the infrared distance sensor 19, a wire outlet ring 21 is inserted at the upper end of the wire hole 20 in an interference manner, and water entering the wire outlet ring 21 prevents the infrared distance sensor 19 from being damaged.

The working principle of this embodiment is as follows: when the opening and closing states of the car doors 2 are required to be detected, the ejector rods of the electric telescopic rods 5 are controlled to extend through the electric telescopic rod controller, the sliding blocks 7 below the sliding plates 8 slide towards the car doors 2 in the sliding grooves 6 on the transverse plates 3, the encoders 9 on the sliding plates 8 move towards the guide rail strips 17 on the guide rails 14 and are attached to the guide rail strips 17, when the car doors 2 on two sides are opened and closed, the guide rail strips 17 on the guide rails 14 drive the friction wheels 11 to rotate, the encoders 10 work to generate signals, the generated signals are processed by the signal processor and transmitted to the computer, signal data generated by the encoders 10 on the moving paths of the car doors 2 are analyzed through a program in the computer and compared, whether the closing and the opening and the closing of the car doors 2 on two sides are synchronous or not is analyzed, when the detection is not required, the electric telescopic rod controller controls the ejector rods of the electric telescopic rods 5 to retract, the friction wheels 11 on the encoders 10 are separated from the guide rail strips 17, unnecessary abrasion is reduced, further the states of the elevator doors are detected, and whether the door 2 on two sides can be normally closed or not is judged by the monitoring infrared signal emitters 19.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model.

Claims

1. A detection device for detecting the open and close state of an elevator door, characterized in that: including car (1), the place ahead both sides department of car (1) all is provided with car door (2), all be provided with diaphragm (3) on car (1), one side all is equipped with spout (6) on diaphragm (3), all be inserted in spout (6) and be equipped with slider (7), all be connected with slide (8) on slider (7), all be equipped with recess (9) on slide (8), all be provided with encoder (10) in recess (9), the cover is equipped with friction wheel (11) on the rotor shaft of encoder (10), one side all is provided with connecting plate (13) on car door (2), one side of connecting plate (13) all is provided with guide rail (14), be provided with guide rail strip (17) on guide rail (14), friction wheel (11) laminating guide rail strip (17).

2. A detecting device for detecting the open-close state of an elevator door according to claim 1, wherein: one side of the transverse plate (3) is provided with a vertical plate (4), one side of the vertical plate (4) is provided with an electric telescopic rod (5), and a top rod of the electric telescopic rod (5) is connected with one side of the sliding plate (8).

3. A detecting device for detecting the open-close state of an elevator door according to claim 1, wherein: friction wheel (11) are all sleeved with friction wheel sleeves (12).

4. A detecting device for detecting the open-close state of an elevator door according to claim 1, wherein: one side of guide rail (14) all is provided with link plate (15), one side of link plate (15) all is provided with inserted bar (16), the cover is equipped with guide rail strip (17) on inserted bar (16).

5. A detecting device for detecting the open-close state of an elevator door according to claim 1, wherein: the infrared distance sensor is characterized in that a mounting hole (18) is formed in the connecting plate (13) on one side, an infrared distance sensor (19) is arranged in the mounting hole (18), a wire hole (20) is formed in the connecting plate (13) above the mounting hole (18), and a wire outlet ring (21) is arranged at one end of the wire hole (20).