JPH06211451A - Elevator system - Google Patents

Abstract

PURPOSE:To provide an elevator system which is free from the fear to lose the timing to get off the elevator as well as the maintenance of the effect to reduce the stresses by attracting the eyes of passengers to the screen of an image displaying equipment. CONSTITUTION:An elevator system provided with an image display equipment 5 in a cage 6 of an elevator where the elevation is controlled by an elevator operation control device 2 is provided with an image reproducing equipment 1 to supply the main image signal to be the background picture to the image display equipment 5, a superposed image generating circuit 3 to generate the sub image signal to be a floor number displaying picture based on the floor number signal from the elevator operation control image 2, and an image synthesizing equipment 4 to superpose the floor number displaying picture on the background picture by synthesizing the main image signal and the sub image signal. The synthesized image signal to be outputted from the image synthesizing equipment 4 is supplied to the image display equipment 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator system in which an image display device is installed in a car of an elevator whose up-and-down movement is controlled by an elevator operation control device.

[0002]

2. Description of the Related Art Passengers boarding an elevator usually do not know each other, and since the boarding space inside the elevator is limited, the passengers are often crowded with each other, especially when crowded with many passengers. When they come close to or come into contact with each other, they cause discomfort and tension.

Therefore, conventionally, as measures for relieving stress, various measures have been taken such as providing comfortable lighting in the car and playing music.

Further, by providing an image display device on the vertical wall surface inside the car to collect the line of sight of the passenger in the image,
An elevator system for reducing stress has been proposed (Japanese Patent Laid-Open No. 3-182489 [B66B11 / 02]).

[0005]

However, in the conventional elevator system in which the image display device is provided in the car, the attention of the floor indicator is neglected because the passenger's interest is attracted to the image. There was a risk of missing the timing to get off the elevator. On the contrary, if the display of the floor indicator is taken into consideration, there is no room to watch the image on the image display device, and the effect of reducing stress is diminished. Moreover, in the conventional elevator system in which the image display device is provided on the vertical wall surface in the car,
There is a problem that it is difficult to see the screen depending on the position of the passengers in the car, and it is not possible to collect the eyes of many passengers in the image.

An object of the present invention is to provide an elevator system in which the timing of getting off the elevator is not missed while maintaining the effect of stress reduction by collecting the line of sight of the passenger on the screen of the image display device. Is.

[0007]

The elevator system according to the present invention is an image display device installed in a car (6).
A video playback device (1) that should supply the main video signal that becomes the background image (51) to (5), and a sub video that becomes the floor display image (52) based on the floor signal from the elevator operation control device (2). A superimposed image generating circuit (3) for generating a signal, and an image synthesizing device (4) for synthesizing the main video signal and the sub-video signal to superimpose the floor display image (52) on the background image (51). And supplies the composite video signal output from the image compositing device (4) to the video display device (5).

In the sub-picture signal, together with the floor display picture (52),
It is possible to include an image showing the elevator operating state such as the moving direction of the car (6).

The display screen (50) of the video display device (5) is installed above the door (61) in the car (6) in an inclined posture facing the line of sight of the passenger. Alternatively, the display screen (50) of the video display device (5) is displayed on the floor surface (65) in the car (6).
It is also possible to install horizontally in the inside so that it may be directed vertically upward.

Further, the image display device (5) is replaced with the image projection device (55).
When configured with, the car (6) has a first ceiling (6
The second ceiling (63b) and the slanted wall surface (64) are connected below the 3a), and the image display device (5) has a display screen in the slanted wall surface (64).
(50) is installed, and the image projection device (5
5) is arranged so that the projected image from the image projection device (55) is reflected by the light reflector (56) and guided to the back surface of the display screen (50).

Furthermore, the video display device (5) is a video projection device.
When configured by (55), the car (6) is provided with a second ceiling (63b) below the first ceiling (63a), and a plurality of cars are connected to the periphery of the second ceiling wall (63b). Inclined wall (64a)
(64b) is provided and a display screen is installed in each inclined wall surface, while a single image projection device (55) is arranged on the second ceiling (63b), A configuration is also possible in which the projected image of (1) is guided to the back of each display screen by the light distributor (7).

[0012]

The main video signal emitted from the video reproducing device (1) is supplied to the video display device (5) in the car (6) through the image synthesizing device (4) and the background is displayed on the display screen (50). It is displayed as a picture (51). The elevator car (6) is controlled to move up and down by a control signal from the elevator operation control device (2), and when stopped at a certain floor, a floor number signal corresponding to the number of floors is superimposed from the elevator operation control device (2). Generator circuit
It is supplied to (3). As a result, the superimposed image generation circuit (3)
Generates a sub-picture signal which becomes the floor display picture (52) of the stopped floor, and the sub-picture signal is supplied to the image synthesizing device (4),
It is combined with the main video signal.

The composite video signal is supplied to the video display device (5), and the display screen (50) displays the floor display image (5) on the background image (51).
2) is displayed superimposed (superimposed). Therefore, the floor number display image (52) of the display screen (50) changes according to the floor where the car (6) stops, and notifies the passenger of the floor number of the stopped floor.

If the sub-picture signal includes an image showing the elevator driving state such as the moving direction of the car (6), the passenger can check not only the number of floors at which the car has stopped but also the car (6) while moving. , Its moving direction (up or down) can be known.

Further, the display screen (50) of the video display device (5) is
It is installed above the door (61) in the car (6) in an inclined posture facing the line of sight of the passenger, or the car
If the display screen (50) is installed horizontally in the floor surface (65) in the vertical direction toward the upper side of the display screen (50) as compared with the case where the display screen (50) is installed vertically along the vertical wall surface. The proper visual field area can be enlarged.

Furthermore, a plurality of display screens are installed on the ceiling of the car (6) in an inclined posture facing the line of sight of the passengers, and the projected images from a single image projection device (55) By displaying on the display screen, the screen from any position can be viewed in a comfortable posture regardless of the position of the passenger in the car (6). As a result, it becomes possible to attract the eyes of many passengers to the screen.

[0017]

According to the elevator system of the present invention, the stress of the passenger can be eliminated by displaying the background image (51), and the floor display image can be displayed on the background image (51).
Since (52) is superimposed and displayed, the passenger can recognize the floor number by the floor number display image (52) while watching the background image (51). Therefore, there is no risk of missing the timing of getting off the elevator.

[0018]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a schematic configuration of an elevator system, in which a plurality of cars (6) are controlled to move up and down by an elevator operation control device (2).

An image reproducing device is provided outside the car (6).
(1) is installed, and the main video signal from the video reproducing device (1) is supplied in parallel to the image synthesizing device (4) provided for each car (6).

On the other hand, the elevator operation control device (2) includes
A superimposed image generation circuit (3) provided for each car (6) is connected, and each superimposed image generation circuit (3) has a corresponding car.
A floor signal corresponding to the current position in (6) is supplied. The superposed image generation circuit (3) creates a sub-video signal including the floor display image of the floor of the car (6) at which the car (6) is stopped, and the corresponding image composition device
Supply to (4).

As a result, the image synthesizing device (4) synthesizes the main video signal and the sub video signal and supplies the synthesized video signal to the video display device (5) in the car (6).

FIG. 2 shows a specific configuration of the video reproducing device (1) and the image synthesizing device (4). Video playback device (1)
Is a video signal source composed of VTRs (11)
A video selector (12) for selecting a video signal from these video signal sources (11), and a video signal converter (horizontal and vertical sync signal and RGB signal from the selected video signal). 13) and.

The sub-picture signal generated by the superposed picture generation circuit (3) is a digital signal, and as shown in FIG. 3, a floor number display picture (52) showing the current position (floor number) of the car by a numeral,
A direction display image (53) showing whether the car is ascending or descending is included.

The image synthesizing device (4) includes a superimposed image generating circuit (3).
A frame memory (42) for expanding the sub-picture signal (RGB signal) from the frame image into a screen image, and the picture signal read from the frame memory (42) is a D / A converter (43).
After being converted into an analog signal at, the signal is connected to one input terminal of the selector (44). At the other input of the selector (44),
The RGB signals from the video reproducing device (1) are connected.

The image synthesizing device (4) is a video reproducing device.
A timing control circuit (41) to which the horizontal and vertical synchronizing signals from (1) are connected is provided, by which the signal reading from the frame memory (42) and the operation of the D / A converter (43) are performed. Controlled.

The switching operation of the selector (44) is performed by the comparison / determination circuit (45) supplied with the RGB signals read from the frame memory (42). The comparison / determination circuit (45) is composed of three comparators corresponding to three color components of R, G and B and one AND circuit as shown in the figure. Each comparator has
At one input end, three reference signals R0, G of R, G, B are provided.
0 and B0 are connected, and the R signal, G signal, and B signal read from the frame memory (42) are connected to the other input end, and the coincidence and non-coincidence of the two input signals are pixel units. Compared with.

Here, the three reference signals R0, G0,
Of the signals read from the frame memory (42), B0 is set to the level of the signal of the pixel portion that does not include the floor display image and the direction display image, for example, the signal of a single black color.

Therefore, when the three signals from the frame memory (42) are the signals of the pixel portion which does not include the rank display image or the direction display image, the outputs of the respective comparators are all "1" indicating coincidence, As a result, the output of the AND circuit also becomes "1", and the selector (44) is switched to the video signal converter (13) side.

On the other hand, 3 from the frame memory (42)
When one of the signals is a signal of a pixel portion forming a floor display image or a direction display image, the outputs of the comparators are all "0" indicating non-coincidence, and as a result, the output of the AND circuit is "0". The selector (44) is switched to the frame memory (42) side.

By the switching operation of the selector (44),
The main video signal and the sub video signal are combined on one screen, and the combined video signal is supplied to the video display device (5) in the car (6). The video display device (5) is supplied with horizontal and vertical sync signals from the video signal converter (13), and the composite video signal is displayed based on the sync signals.

As a result, the display screen (5
As shown in Fig. 3, the floor display image (52) is displayed on the background image (51).
And the direction display image (53) is superimposed and displayed.

Therefore, the passenger can recognize the floor number by the floor number display image (52) while observing the background image (51), and there is no fear of missing the timing of getting off the elevator.

In the car (6), an audio output device (not shown) such as a speaker and an amplifier is installed together with the video display device (5), and music corresponding to the image is played.

Next, the mounting position and mounting posture of the image display device (5) will be described. In the example shown in FIG. 4, at the position above the door (61) in the car (6),
A wall surface (64) that straddles both side walls (62) (62) and is inclined by a predetermined angle (for example, 30 to 40 degrees) with respect to the ceiling wall (63) is provided, and inside the inclined wall surface (64). Display screen (50) is installed.

Therefore, in the car (6), the door (6
If the occupant facing the 1) side directs his or her line of sight obliquely upward, the line of sight will face the display screen (50) in a substantially vertical direction, and the display screen (50) will be displayed without taking an unreasonable posture. You can watch the video of.

In the example of FIG. 4, a floor number indicator (66) is installed above the entrance door (61) as in the conventional case, and the floor number indicator (66) and the display screen (50) are different from each other. The passengers will be within the same field of view.

When the image display device (5) is constituted by the image projection device (55) and the light reflector (56) as shown in FIG. 5, the car (6) is placed below the first ceiling (63a). Second ceiling (63b)
And an inclined wall surface (64), and a rear projection type display screen (50) is installed in the inclined wall surface (64). Also, the video projection device (55)
It is installed horizontally on the second ceiling (63b), and the image projection device (5
The projected image from 5) is reflected by the light reflector (56) and guided to the display screen (50).

According to the configuration of FIG. 5, the flat space between the first ceiling (63a) and the second ceiling (63b) is used to pass from the image projection device (55) through the light reflector (56). Since the optical path length to the display screen (50) can be made sufficiently long, the display screen (50) can be enlarged.

As shown in FIG. 6, the image display device (5) is a CRT.
When it is composed of (57), the inclined wall surface (64) is provided directly on the ceiling wall (63), and the space between the ceiling wall (63) and the inclined wall surface (64) is used to make the image display device ( Install 5).

The image display device (5) can also be constituted by a liquid crystal display (58) as shown in FIG.

By the way, the rear projection type image projection apparatus (55) shown in FIG. 5 and the direct view type liquid crystal display (58) shown in FIG.
In the case of, there is a proper viewing angle with respect to the screen, and outside the angular range (appropriate viewing region), the screen is dark and difficult to see.

However, as shown in FIG. 10, the height H ₁ is about 2.5 m.
In the case of the present invention in which the display screen (50) is installed on the ceiling wall (63) of the vehicle with an inclination, the eye height H ₂ of the passenger (approximately 1.6 to 1.7 m) is the visual field of the display screen (50). The area W within the range of the angle θ is larger than that in the case where the display screen (50) is installed horizontally along the ceiling wall (63), for example.

The video display device (5) shown in FIG. 8 and FIG.
The image projection device (55) and the light reflector (56) are arranged below the floor surface (65) in the car (6), and the display screen (50) is vertically upward in the floor surface (65). It was installed towards.

In this case, as shown in FIG. 11, the region W where the passenger's eye height H ₂ (approximately 1.6 to 1.7 m) falls within the viewing angle θ of the display screen (50) is shown in FIG. It will be further enlarged than the case shown in FIG.

In the example shown in FIG. 12, a first inclined wall (64a) is provided above the door (61) in the car (6), and a first inclined wall (64a) is provided on the opposite side of the inclined wall (64a). 2 inclined walls (64
b) and rear projection type display screens (50a) (50
b) is installed.

As shown in FIGS. 14 and 15, the image projection device (55) is installed horizontally on the second ceiling (63b), and the projected image from the image projection device (55) has a light reflectance. First and second light reflectors are split by a light distributor (7) consisting of a half mirror (71) of 50% and a mirror (72) of 100% light reflectance.
It leads to both display screens (50a) and (50b) through (56a) and (56b).

Here, the half mirror (71) and the mirror (72)
Is 4 with respect to the optical axis of the video projector (55) as shown in FIG.
They are placed in opposite directions in a posture of forming 5 degrees. The projection image from the image projection device (55) is reflected by the half mirror (71) at the light intensity of 50% in the optical axis B direction, and
To the light reflector (56b). Further, the projected image transmitted through the half mirror (71) with the remaining 50% light intensity is incident on the mirror (72). The projection image incident on the mirror (72) is reflected in the direction of the optical axis A and reaches the first light reflector (56a).

Incidentally, the first and second light reflectors (56a) (56b)
Shows the image projected from the image projector (55) on each display screen (50
a) Each position and angle are adjusted so that an image is accurately formed on (50b).

According to the above construction, the two different tilt directions are provided.
Since the same image is displayed on the two display screens (50a) and (50b), passengers near the entrance door (61) cannot see the entrance door.
By standing in the opposite direction to (61), and by the passengers in the back of the car (6) standing towards the door (61), these passengers You can enjoy a common image without having to look at each other in a comfortable posture with your eyes raised.

By the way, in the above example, due to the displacement of the half mirror (71) and the mirror (72) as shown in FIG.
The positions of the two display screens (50a) and (50b) are displaced forward and backward. Therefore, in the example of FIG. 17, both the display screens (50a) and (50b) are aligned by adjusting the inclination angle of the half mirror (71) and the orientation of the second light reflector (56b). is there.

Further, in the example shown in FIG. 13, an inclined wall (64c) is also provided above the side wall (62), and the third display screen (5
0c) is provided.

In this case, as shown in FIG. 18, the light distributor (7) is constructed by using the two half mirrors (71) and (73), and thereby the projection image from the image projection device (55) is divided into three. The three projected images obtained by splitting the light are further reflected by the light reflectors (56a) (56b) (56c), respectively, and led to the three display screens (50a) (50b) (50c). . Here, in order to equalize the brightness of the three screens, the first half mirror (71)
The reflectance of the second half mirror (73) may be set to about 33%, and the reflectance of the second half mirror (73) may be set to about 50%. Similarly, it is possible to display images on four or more screens.

The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the claims or limiting the scope. The configuration of each part of the present invention is not limited to the above-mentioned embodiment, and it goes without saying that various modifications can be made within the technical scope described in the claims.

For example, the image synthesizing device (4) is not limited to the structure shown in FIG. 2, but various well-known superimposing methods can be adopted. Also, the images to be superimposed on the background image (51) include the floor display image (52) and the direction display image (5
In addition to 3), it is possible to include various displays that indicate the operating status of the elevator, such as a bar display according to the ascending / descending speed of the car. Furthermore, a configuration in which the superimposed image generating circuit (3) and the image synthesizing device (4) shown in FIG. 2 are arranged in the car (6) can also be adopted.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an elevator system according to the present invention.

FIG. 2 is a block diagram showing a specific configuration of a video reproducing device and an image synthesizing device.

FIG. 3 is a front view showing a display example of a display screen.

FIG. 4 is a perspective view showing a position and a posture of a display screen in a car.

FIG. 5 is a partially cutaway side view showing an arrangement of a video projection device and a light reflector that constitute the video display device.

FIG. 6 is a partially cutaway side view showing an arrangement of CRTs constituting the image display device.

FIG. 7 is a partially cutaway side view showing an arrangement of a liquid crystal display which constitutes the image display device.

FIG. 8 is a perspective view showing an example in which a video display device is arranged below a floor surface of a car.

FIG. 9 is a partially cutaway side view showing the arrangement of the image projector and the light reflector of the above example.

FIG. 10 is a diagram showing an appropriate visual field area when the display screen is installed with an inclination with respect to the ceiling wall.

FIG. 11 is a diagram showing an appropriate visual field area when a display screen is installed on the floor surface.

FIG. 12 is a perspective view of an embodiment capable of displaying images on two screens.

FIG. 13 is a perspective view of an embodiment capable of displaying images on three screens.

14 is a partially cutaway side view showing the arrangement of the optical system in the example of FIG.

FIG. 15 is a plan view of the above.

16 is an enlarged plan view of the main part of FIG.

17 is a plan view showing an example in which the arrangement of a part of the optical system is changed in the example of FIG.

FIG. 18 is a plan view showing the arrangement of the optical system in the example of FIG.

[Explanation of symbols]

 (1) Video playback device (2) Elevator operation control device (3) Superimposed image generation circuit (4) Image synthesis device (5) Video display device (50) Display screen (6) Car basket (63) Ceiling wall (64) Inclined wall

[Procedure amendment]

[Submission date] February 2, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 7

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction content]

Furthermore, a plurality of display screens are installed on the ceiling portion of the car (6) in an inclined posture facing the line of sight of the passengers, respectively, and the projected images from a single image projection device (55) if displayed on the display screen, regardless of the occupant of the position in the elevator car (6), it is possible to see the screen in a comfortable position from any position. As a result, it becomes possible to attract the eyes of many passengers to the screen.

[Procedure 3]

[Document name to be amended] Statement

[Name of item to be corrected] 0029

[Correction method] Change

[Correction content]

On the other hand, 3 from the frame memory (42)
When one signal is the signal of the pixel part that constitutes the floor display image or the direction display image ,
One of them becomes "0" indicating non-coincidence, and as a result, the output of the AND circuit also becomes "0", and the selector (44) is switched to the frame memory (42) side.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0035

[Correction method] Change

[Correction content]

Therefore, in the car (6), the door (6
1) side-facing rider, if it Mukere gaze obliquely upward, will be facing substantially perpendicularly against the glance screen (50), without taking unnatural posture, the display screen (50 ) You can watch the video.

[Procedure Amendment 5]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 2

[Correction method] Change

[Correction content]

[Fig. 2]

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuhiro Sawaike 2-18 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd. (72) Akitoshi Yamashita 2-18 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Machinery Co., Ltd. (72) Inventor Tomohiko Tsumura 1-28-10 Sho, Ibaraki-shi, Osaka Fujitec Co., Ltd.

Claims (7)

[Claims] 1. An elevator system in which an image display device (5) is installed in a car (6) of an elevator whose lifting operation is controlled by an elevator operation control device (2),
An image reproduction device (1) which should supply a main image signal serving as a background image (51) to the image display device (5), and an elevator operation control device
A superimposition image generation circuit (3) for generating a sub-picture signal which becomes a floor-display picture (52) based on the rank signal from (2), and a background picture (51) by synthesizing the main picture signal and the sub-picture signal. The floor display ((5
An elevator system comprising an image synthesizing device (4) for superimposing 2), and a synthetic video signal output from the image synthesizing device (4) is supplied to a video display device (5). 2. The elevator system according to claim 1, wherein the sub-picture signal includes an image showing an elevator operating state such as a moving direction of the car (6) together with the floor display image (52). 3. The display screen (50) of the video display device (5) is installed above the door (61) in the car (6) in an inclined posture facing the line of sight of the passenger. The elevator system according to claim 1. 4. The display screen (50) of the video display device (5) according to claim 1, wherein the display screen (50) is installed horizontally in the floor surface (65) of the car (6) so as to be vertically upward. Elevator system. 5. An elevator system in which an image display device (5) is installed in a car (6) of an elevator, wherein the car (6) is connected to the periphery of a horizontal ceiling (63b) and the passenger is The inclined wall surface (64) in an inclined posture facing the line of sight of
The image display device (5) includes a rear projection type display screen (50) installed in the inclined wall surface (64), an image projection device (55) installed on a ceiling (63b), and the image. A light reflector (5 that reflects the projection image from the projection device (55) and guides it to the back of the display screen (50).
6) An elevator system characterized by comprising and. 6. An elevator system in which an image display device (5) is installed in a car (6) of an elevator, wherein the car (6) is connected to the periphery of a horizontal ceiling (63b) and a passenger is connected to the car (6). Slanted wall surfaces (64a) in a slanted posture facing the line of sight of
(64b) is provided, and the image display device (5) includes a plurality of rear projection type display screens (50a) (50b) installed in each inclined wall surface,
Single image projection device (55) installed on the ceiling (63b)
And an optical distributor (7) that splits a projected image from the image projection device (55) and guides it to the rear surface of the plurality of display screens. 7. The video display device (5) is connected to a circuit for displaying a floor display image (52) on the display screen (50) based on the floor signal from the elevator operation control device (2). The elevator system according to claim 6, wherein the elevator system is provided.