JPH0867467A - Elevator for observation with electric blind - Google Patents

Abstract

PURPOSE: To provide an elevator for observation with an electric blind enabling a passenger to shut off the sunlight and to enjoy pleasant observation. CONSTITUTION: A blind driving unit 4 and a blind control box 5 are furnished on an upper part of a cage room 1, and a blind 3 is provided in a space part between window glasses 2 of double structure. A passenger can open and shut the blind 3 by an operation button and optionally decide an opening and shutting position of the blind 3. Consequently, it is possible to provide an elevator for observation free to open and shut the blind to shut off the sunlight at the passenger's will.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a prospective elevator with an electric blind, and more particularly to a prospective elevator with an electric blind in which a sun blind can be raised or lowered according to a passenger's intention.

[0002]

2. Description of the Related Art FIG. 7 is a perspective view showing a conventional view elevator. In FIG. 7, 1 is an elevator car room, 2 is a window glass provided on the side wall of the car room 1,
The window glass 2 has a single layer structure. In addition, since the window glass 2 has a single-layer structure here, without distinguishing between the inside and the outside,
It is simply called window glass.

The conventional observation elevator is constructed as described above, and passengers in the observation elevator can view the outside scenery from the window glass 2. However, when strong sunlight is inserted into the elevator for observation, the sunlight is directly inserted into the passenger's body through the window glass 2 and the passenger is further away from the window side due to the glare.

[0004]

SUMMARY OF THE INVENTION In the above-described view elevator, when strong sunlight is inserted into the view elevator, the passengers are distant from the window side due to the sunlight hitting the passengers directly or feeling dazzling. There was a problem that the original service as an elevator for observation, that is, the outside scenery could not be sufficiently observed. The present invention has been made in order to solve such a problem, and an object thereof is to obtain an elevator for an outlook with an electric blind in which passengers can block sunlight and enjoy a comfortable outlook.

[0005]

SUMMARY OF THE INVENTION The invention according to claim 1 of the present invention is a view elevator in which an external view window is provided on a wall portion of an elevator car, and an electric opening / closing blind is provided in the window. Is provided.

In the invention according to claim 2 of the present invention, a window having a double structure in which a space is formed between the window glasses is provided in the window, and a blind is provided in the space. Is.

In the invention according to claim 3 of the present invention, the blind is opened and closed by the passenger pressing an operation button,
It is possible to stop at any position by releasing the operation button.

The invention according to claim 4 of the present invention is provided with a mechanism capable of automatically stopping the blind even if the passenger continues to press the operation button.

[0009]

According to the first aspect of the present invention, when strong sunlight is inserted into the elevator for observation, the passenger cuts off the strong sunlight by lowering the blind.

According to the second aspect of the present invention, since the blind is housed in the window glass space having the double structure, the blind can be moved up and down smoothly without interference, and the heat insulation effect of the cab is improved. .

According to the third aspect of the present invention, the position of the blind can be adjusted and opened / closed by an arbitrary passenger.

According to the fourth aspect of the present invention, the movement stopping mechanism prevents the blind drive device from malfunctioning.

[0013]

1 is a perspective view showing an outlook elevator with an electric blind according to an embodiment of the present invention. In addition,
In the drawings, the same reference numerals indicate the same or corresponding parts. In FIG. 1, 4 is a blind drive unit and 5 is a blind control box. All of these members are provided in the upper part of the car room 1 (hereinafter referred to as the car top). Reference numeral 3 is a blind provided along the window frame between the window glass 2 (here, the outside glass) and the window glass 2a (the inside glass, see FIG. 3).

FIG. 2 is a circuit configuration diagram of each device of the prospective elevator with an electric blind according to the present invention. In FIG. 2, a blind control box 5 is provided in the blind drive unit 4. 6 is this blind control box 5
It is a motor that rotates in response to a command. Motor 6
The rotation of is reduced by the reduction gear 7, and the take-up shaft 8 rotates to move the movable cam 10. Reference numerals 11 and 12 are a winding limiter switch and a winding limiter switch, respectively, which are movable cams 1.
It is installed at the position where 0 touches.

Reference numeral 13 denotes an operation panel provided in the cab 1, and operation buttons 14a,
14b is provided. Passengers use this operation button 14
By pressing a and 14b, the blind 3 can be raised and lowered, that is, opened and closed. Reference numeral 15 is a control cable for guiding a DC power source from the elevator control panel 16 installed in a machine room (not shown) to the car room 1.

FIG. 3 and FIG.
It is sectional drawing of the upper-lower end part of each of the window glasses 2 and 2a of a heavy structure. In these figures, the window glass is composed of two sheets, an outside window glass 2 and an inside window glass 2a, and a blind 3 is housed between them. A space 22 is provided between the window glass 2 and the window glass 2a so that the blind 3 can move up and down smoothly without interference.

Further, an upper glass frame 19a and a lower glass frame 19 are provided at both ends of the window glasses 2, 2a,
The upper glass frame 19a and the lower glass frame 19 are fixed to a cab-constituent member 18 that constitutes the cab 1 by screws or the like, and form a removable framework structure. In addition, the car room component 18 includes a car exterior panel 17
Is attached. The upper glass frame 19a is provided with a rope hole 19b for a rope that suspends the blind 3.

FIG. 5 is a circuit diagram of the blind operation.
In FIG. 5, the power source is a DC power source (not shown), and has operation buttons 14a and 14b pushed by the passenger, a winding control relay 20, and a lowering control relay 21. In addition, a mechanical interlock 2 is provided to prevent simultaneous operation of the winding control relay 20 and the winding control relay 21.
3 is provided. Further, an electrical interlock in which the B contacts 20b and 21b of the winding control relay 20 and the lowering control relay 21 are wired in series in front of the mutual control relays is also provided.

FIG. 6 is a circuit diagram showing a drive circuit for the blind motor. In FIG. 6, the same DC power source as the blind operating circuit is used as the power source. By closing the A contacts 20a and 21a of the control relay, the motor 6
It is a circuit that supplies power to.

In the prospective elevator with an electric blind constructed as described above, first, the operation of starting the motor to the hoisting operation will be described. In FIG. 2, for example, when the passenger presses the operation button 14b, power is input, and the signal is input from the elevator control panel 16 to the blind control box 5 via the control cable 15. As a result, FIG.
Of the blind operating circuit shown in (1), the hoisting operation circuit 24 is configured, and the hoisting control relay 21 operates. On the other hand, the B contact 21b of the winding-down control relay 21 becomes "closed", and the winding-up control relay 20 becomes electrically inoperable.

Next, in the blind motor drive circuit of FIG. 6, electric power is supplied to the motor 6 by closing the A contact 21a of the lowering control relay 21, and the motor 6 starts to rotate in the lowering direction. The rotation of the motor 6 is reduced by the reduction gear 7 shown in FIG. 2 and transmitted to the winding shaft 8. The blind 3 is wound down by rotating the winding shaft 8 in the winding direction.

Next, an operation in which the passenger stops the lowering operation of the blind 3 at an arbitrary position will be described. When the passenger releases the finger from the operation button 14b during the above-described operation, the power to the unwinding operation circuit 24 shown in FIG. 5 is turned off, and the operation of the unwinding control relay 21 is stopped. Therefore, the B contact 21b of the lowering control relay 21 is closed, and the state before the passenger operates is returned. On the other hand, in FIG. 6, since the A contact 21a of the lowering control relay 21 is "open",
The power supply to the motor 6 is stopped and the motor 6 is stopped. Therefore, the blind 3 can be stopped at any position by releasing the operation button 14b.

Next, the automatic stop of the blind 3 when the passenger keeps pressing the operation button will be described. In the above operation, if the passenger mistakenly continues to press the operation button 14b while the motor 6 is rotating, the blind 3 may be excessively lowered. At this time, the screw thread 9 attached to the tip of the winding shaft 8 shown in FIG. 2 also rotates in synchronization. The movable cam 10 fitted in the thread 9 approaches the lowering limit switch 12, and finally the lowering limit switch 12 is operated. Therefore,
The lowering limit switch 12 (LT-D) of the lowering operation circuit 24 in FIG. 5 is opened, and the excitation of the lowering control relay 21 is cut off. Therefore, the power supply to the motor 6 is cut off, and the lowering of the blind 3 is stopped. Since the winding operation is the same as the above-described winding operation, the description thereof will be omitted.

In the above embodiment, the blind is provided on one side wall of the cab, but the blind may be provided on two or three side walls.

[0025]

As described above, according to the first aspect of the present invention, in the elevator for observation in which the window for external observation is provided in the wall portion of the elevator car, the blinds of the electric open / close type are provided in the window. As a result, passengers can block the sunlight and enjoy a comfortable view.

According to the second aspect of the present invention, the window is provided with a double-structured window glass in which a space is formed between the window glasses, and the blind is provided in the space. Thus, it is possible to smoothly move up and down without the blinds interfering with each other and to improve the heat insulating effect of the cab.

According to the third aspect of the present invention, the blind can be opened and closed by the passenger pressing the operation button, and can be stopped at any position by releasing the operation button. Therefore, the blind can be blocked according to the sunshine condition. There is an effect that can be.

According to the fourth aspect of the present invention, since the blind is provided with a mechanism capable of automatically stopping even if the passenger continues to press the operation button, it is possible to prevent the blind drive device from being damaged. .

[Brief description of drawings]

FIG. 1 is a perspective view showing an outlook elevator with an electric blind according to an embodiment of the present invention.

FIG. 2 is a circuit configuration diagram of each device of the prospective elevator with an electric blind shown in FIG.

FIG. 3 is a cross-sectional view of essential parts showing an upper end portion of a window glass provided in a cab.

FIG. 4 is a cross-sectional view of essential parts showing a lower end portion of a window glass provided in a cab.

FIG. 5 is a circuit diagram for performing a blind operation.

FIG. 6 is a circuit diagram showing a drive circuit of a blind motor.

FIG. 7 is a perspective view showing a conventional outlook elevator.

[Explanation of symbols]

1 cab, 2, 2a window glass, 3 blinds, 4
Blind drive unit, 5 blind control box,
Motor, 7 reduction gear, 8 winding shaft, 9 threads,
10 movable cam, 11 winding limit switch, 12 winding limit switch, 13 car operation panel, 14a, 14b operation buttons, 15 control cable, 16 elevator control panel, 17 car exterior panel, 18 car room components, 19 Lower glass frame, 19a
Upper glass frame, 19b Rope hole, 20 Winding control relay, 20a, 21a A contact, 20b, 21b
B contact, 21 lowering control relay, 22 space section,
23 Mechanical interlock, 24 Operating circuit during unwinding.

Claims (4)

[Claims] 1. An elevator for observation with an electric blind, wherein the window for external observation is provided on a wall portion of the elevator car, and an electrically-operated blind is provided on the window. 2. The window is provided with a double-structured window glass in which a space is formed between the window glasses, and the blind is provided in the space. An elevator for observation with an electric blind according to the item. 3. The blind can be opened and closed by a passenger pressing an operation button, and can be stopped at an arbitrary position by releasing the operation button.
An elevator for observation with an electric blind according to the item. 4. The outlook elevator with an electric blind according to any one of claims 1 to 3, wherein the blind is provided with a mechanism capable of automatically stopping even if a passenger continues to press an operation button.