CN219885382U - Child misoperation preventing device for elevator - Google Patents

Abstract

The utility model relates to the technical field of elevators, and discloses an elevator misoperation preventing device, which comprises: a sliding groove arranged opposite to the operation panel; the shielding plate is connected in the sliding groove in a sliding way; a driving assembly for driving the shielding plate to slide along the sliding groove and selectively shielding or exposing the operation panel; a sensing sensor installed at one side of the sliding groove; and a controller electrically connected with the driving assembly and the sensing sensor respectively. The automatic opening and closing process of the child misoperation prevention device of the elevator is realized, the child misoperation is avoided, and meanwhile, the operation convenience of operators is improved.

Description

Child misoperation preventing device for elevator

Technical Field

The utility model relates to the technical field of elevators, in particular to an misoperation preventing device for an elevator.

Background

At present, most of operation panels of elevators are provided with misoperation devices, so that children can frequently operate buttons of the elevators at will for curiosity, and the safe operation of the elevators is influenced.

CN207566639U discloses a novel child misoperation preventing device for an elevator, which sets the height between a control button and the ground to be 1.4m to 1.7m, drives a shielding plate to be moved away from a notch of a mounting groove of an elevator operation panel by a driving mechanism by pressing the control button, and shields the elevator operation panel after 5 seconds to 12 seconds by using a delayed closing module, so as to avoid the operation behavior of the child on the elevator operation panel. However, in the shielding process, an operator needs to recognize the operation button in advance, so that the operation time is wasted, the shielding process cannot be automatically opened or closed according to the height of the operator, and the shielding process does not conform to the conventional operation habit.

In view of this, how to realize the automatic start-stop process of the child misoperation prevention device of the elevator, improve the operation convenience of operators while avoiding child misoperation, and become the technical problem to be solved by the technicians in the field.

Disclosure of Invention

The utility model aims to overcome the defects of the situations, and aims to provide the misoperation preventing device for the elevator, so as to realize automatic shielding or exposing of the operation panel, avoid misoperation of the elevator, and improve the operation convenience of operators.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: an elevator child-resistant misoperation apparatus, comprising:

a sliding groove arranged opposite to the operation panel;

the shielding plate is connected in the sliding groove in a sliding way;

a driving assembly for driving the shielding plate to slide along the sliding groove and selectively shielding or exposing the operation panel;

a sensing sensor installed at one side of the sliding groove; and

and the controller is respectively and electrically connected with the driving assembly and the sensing sensor.

Further, the drive assembly includes:

the driving motor is fixedly arranged on the outer surface of the sliding groove and is electrically connected with the controller,

rotating a screw rod arranged in the sliding groove, wherein the screw rod is in transmission connection with an output shaft of the driving motor, and

the sliding rod is fixedly arranged in the sliding groove and is parallel to the screw rod;

the two sides of the shielding plate are respectively fixedly provided with a first sliding block and a second sliding block, the first sliding blocks and the second sliding blocks are respectively in sliding connection with the sliding grooves, the first sliding blocks are in sliding connection with the sliding rods, and the second sliding blocks are in threaded connection with the screw rods.

Further, the projection size of the shielding plate is larger than or equal to the projection size of the operation panel.

Further, the driving motor is a servo motor or a stepping motor.

Further, safety gratings are arranged at two ends of the shielding plate along the direction of the sliding rod and two inner side walls of the sliding groove along the direction of the sliding rod, and the safety gratings are electrically connected with the controller.

Further, two inner side walls of the sliding groove along the sliding rod direction are provided with stop blocks.

Further, the stop block is made of rubber.

Further, the sensing sensor is a thermal infrared sensor or a laser sensor.

Further, the height of the sensing sensor from the bottom plate in the elevator car is 1.4m to 1.7m.

Compared with the prior art, the utility model has at least the following advantages:

when the device is used, the detection range of the sensing sensor is set above the average height of a child, when the sensing sensor senses that a person (not a child) exists, the sensing signal is transmitted to the controller, and the controller controls the driving assembly to drive the shielding plate to slide in the sliding groove, so that the operation panel is exposed; when people leave the sensing sensor or a child approaches the sensing sensor, the sensing sensor cannot sense the existence of the people and transmits signals of no personnel to the controller, and the controller drives the shielding plate to slide in the sliding groove by controlling the driving assembly, so that the shielding operation panel is realized, and misoperation of the child is avoided. The process can automatically shield or expose the operation panel without additional operation of personnel, improves the portability of personnel operation, can avoid misoperation of children, and is suitable for popularization and application.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the overall structure of an elevator child-resistant device of the present utility model;

fig. 2 is a cross-sectional view of the child resistant device of the present utility model;

fig. 3 is a schematic structural view of the shielding plate of the present utility model.

Reference numerals: 1. an operation panel; 2. a sliding groove; 3. a shielding plate; 4. a sensing sensor; 5. a driving motor; 6. a screw; 7. a slide bar; 8. a first slider; 9. a second slider; 10. a safety grating; 11. and a stop block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1 to 3, the present utility model provides an apparatus for preventing misoperation of an elevator by children, which comprises a sliding chute 2, a shielding plate 3, a sensing sensor 4 and a controller (not shown in the drawings). Wherein, slide groove 2 sets up on the inside wall of elevator car, slide groove 2 and the operation panel 1 relative setting of elevator, and slide groove 2 sets up in the outside of elevator operation panel 1, shielding plate 3 is along vertical direction sliding connection in slide groove 2, shielding plate 3's projection size is greater than or equal to operation panel 1's projection size, drive assembly is used for driving shielding plate 3 and slides in slide groove 2, can shelter from operation panel 1, in order to avoid personnel's operation, drive assembly can also drive shielding plate 3 and slide in slide groove 2 the back and expose operation panel 1, in order to realize personnel's operation process, perception sensor 4 is installed in slide groove 2 one side, and perception sensor 4 does not interfere with slide groove 2, the controller respectively with drive assembly and perception sensor 4 electric connection, the controller is preferably with the PLC equipment.

When the elevator control device is used, the detection range of the perception sensor 4 is set above the average height of a child, when the perception sensor 4 senses the existence of a person (not a child), the sensing signal is transmitted to the controller, and the controller controls the driving assembly to drive the shielding plate 3 to slide in the sliding groove 2, so that the operation panel 1 is exposed, and further the operation control of the person on the elevator is realized; when people leave the sensing sensor 4 or children get close to the sensing sensor 4, the sensing sensor 4 cannot sense the existence of the people and transmit signals without the existence of the people to the controller, and the controller drives the driving assembly to drive the shielding plate 3 to slide in the sliding groove 2, so that the shielding operation panel 1 is realized, and misoperation of the children is avoided.

In view of the above description, the present utility model utilizes the sensing sensor 4 to sense the existence of a person, and automatically expose the operation panel 1, and automatically shield the operation panel 1 when the existence of the person is not sensed or only a child approaches, thereby realizing the process of automatically opening and closing the operation panel 1 and avoiding misoperation of the child. Therefore, the operation time waste of an operator in the process of additionally controlling the shielding plate 3 is reduced, the convenience of the operator is improved, and the shielding plate is suitable for popularization and application.

Preferably, the drive assembly in the present utility model comprises a drive motor 5, a screw 6 and a slide bar 7. Wherein, the driving motor 5 is fixedly arranged on the outer surface of the sliding groove 2, the driving motor 5 is a servo motor or a stepping motor, and the driving motor 5 is electrically connected with the controller; the screw rod 6 is rotatably arranged in the sliding groove 2, and the screw rod 6 is in transmission connection with an output shaft of the driving motor 5; the sliding rod 7 is fixedly arranged in the sliding groove 2, and the sliding rod 7 is arranged in parallel with the screw rod 6; the two sides of the shielding plate 3 are respectively fixedly provided with a first sliding block 8 and a second sliding block 9, the first sliding block 8 and the second sliding block 9 are respectively connected with the sliding groove 2 in a sliding mode, the first sliding block 8 is connected with the sliding rod 7 in a sliding mode, and the second sliding block 9 is connected with the screw rod 6 in a threaded mode. The controller controls the rotation angle of the driving motor 5 to realize the adjustment process of the height of the shielding plate 3.

In the actual use process of the utility model, as the shielding plate 3 slides in the sliding groove 2, the situation that the shielding plate 3 is mistakenly clamped with the fingers of a person in the sliding process is easy to occur. In view of this, both ends along the direction of the slide bar 7 of the shielding plate 3 and both inner side walls along the direction of the slide bar 7 of the sliding groove 2 are provided with the safety grating 10, the safety grating 10 is electrically connected with the controller, when the safety grating 10 senses the shielding object, a signal is immediately sent to the controller, and the controller will pause the rotation of the driving motor 5, thereby avoiding the occurrence of the phenomenon of clamping personnel.

Two inner side walls of the sliding groove 2 along the direction of the sliding rod 7 are provided with stop blocks 11, the stop blocks 11 are arranged opposite to the shielding plate 3, and the stop blocks 11 are made of rubber and used for limiting the shielding plate 3.

In the utility model, the sensing sensor 4 is a thermal infrared sensor or a laser sensor, the sensing range is set to be 5-30cm, when a person approaches, the operation panel 1 is exposed, and in addition, the height of the sensing sensor 4 from the inner bottom plate of the elevator car is 1.4m to 1.7m.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (9)

1. An elevator child-resistant misoperation apparatus, characterized by comprising:

a sliding groove (2) which is arranged outside the operation panel (1) and is arranged opposite to the operation panel (1);

a shielding plate (3) which is connected in the sliding groove (2) in a sliding way;

a driving assembly for driving the shielding plate (3) to slide along the sliding groove (2) and selectively shielding or exposing the operation panel (1);

a sensing sensor (4) installed at one side of the sliding groove (2); and

and the controller is respectively and electrically connected with the driving assembly and the perception sensor (4).

2. The child resistant device of claim 1, wherein the drive assembly comprises:

a driving motor (5) fixedly arranged on the outer surface of the sliding groove (2), the driving motor (5) is electrically connected with the controller,

a screw (6) arranged in the sliding groove (2) in a rotating way, the screw (6) is in transmission connection with the output shaft of the driving motor (5), and

the sliding rod (7) is fixedly arranged in the sliding groove (2) and is parallel to the screw rod (6);

the two sides of the shielding plate (3) are respectively fixedly provided with a first sliding block (8) and a second sliding block (9), the first sliding blocks (8) and the second sliding blocks (9) are respectively in sliding connection with the sliding groove (2), the first sliding blocks (8) are in sliding connection with the sliding rods (7), and the second sliding blocks (9) are in threaded connection with the screw rods (6).

3. The child-resistant device of claim 2, characterized in that the projected size of the shielding plate (3) is greater than or equal to the projected size of the operation panel (1).

4. The child resistant device of claim 2, characterized in that the drive motor (5) is a servo motor or a stepper motor.

5. The misoperation prevention device for the elevator according to claim 2, characterized in that safety gratings (10) are arranged at both ends of the shielding plate (3) along the direction of the sliding rod (7) and both inner side walls of the sliding groove (2) along the direction of the sliding rod (7), and the safety gratings (10) are electrically connected with a controller.

6. The misoperation prevention device of the elevator according to claim 2, characterized in that the two inner side walls of the sliding groove (2) along the sliding bar (7) direction are provided with stoppers (11).

7. The child-resistant device according to claim 6, wherein the stopper (11) is made of rubber.

8. The child-resistant device of an elevator according to any one of claims 1-7, characterized in that the perception sensor (4) is a thermal infrared sensor or a laser sensor.

9. The child-resistant device according to any one of claims 1-7, characterized in that the height of the sensor (4) from the floor in the elevator car is 1.4m to 1.7m.