JPH0867438A - Monitoring device of elevator - Google Patents

Abstract

PURPOSE: To remove the unpleasant feeling of a user and at the same time improve a security function by indicating a car outside situation at an indication device in the daytime, indicating a car inside situation during a nighttime zone when users are few. CONSTITUTION: A car inside situation signal from a car inside monitor TV camera 1a is converted into an image signal or the like by means of a camera controller 2a, and is inputted into a signal selection changeover device 3. Also, car outside data photographed by means of a car outside monitor TV camera 1v are likewise inputted into the signal selection changeover device 3 through a camera controller 1b. Meanwhile, a selection signal whose indication of either the car inside or the car outside is decided by a use situation is inputted from a changeover signal selection operation input device 8. By this changeover signal, the signal of the car inside or the car outside is selected, and indication is made at an image signal indicator 6 through a signal receiving device 5. Arrangement is made so that the car outside may be displayed in the daytime and the car inside may be displayed in the nighttime.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator monitoring device provided with a television camera inside and outside a car.

[0002]

2. Description of the Related Art A great deal of progress has been made in electronic technology including semiconductors
Conventionally large and expensive television cameras have become small and low in price due to the development of CCDs, etc., and they have begun to be applied in various fields of society, have been effectively used, and have become important in society such as security.

On the other hand, in elevators as well, it is more common for the user to operate the elevator by himself or herself and drive toward the desired floor than the conventional operation system having a driver in a department store or the like. Therefore, elevators are also installed in buildings used by various users such as multi-tenant buildings, and in some cases, the elevators may be damaged by users. In addition, other users may be harmed by criminals due to the closed room of the elevator, which is a social problem. In order to cope with such a situation and to prevent crime or rescue victims when a crime occurs, the one in which the above-mentioned ultra-small TV camera is provided in a car is beginning to be used. Regarding the installation of the camera, there are cases where it is installed so that it is visible from the outside, or it is difficult to understand that the user is being monitored.
In each case, the signal captured by the TV camera is sent from the elevator car to the elevator machine room, and the machine room sends a signal to the monitoring center etc. to monitor the situation inside the car. Also, in a small building, there may not be a supervisor and there is no monitoring center, and it is not possible to monitor the inside of the cage, so there is a case where security can not be maintained.As a response, a small display is installed at the elevator hall, The purpose is to show the situation in the car and to prevent the occurrence of crimes or to respond when they occur.

[0004]

However, since the number of users is large and the crime rate is low during general use such as daytime, it is not always necessary to show the situation in the car.
On the contrary, the system has the opposite effect of being monitored by the user, which may give the user discomfort.

The present invention has been made to solve the above-mentioned problems in the conventional system, and it is an object of the present invention to provide an elevator monitoring device which eliminates the discomfort of the elevator user and also satisfies the security function. To aim.

[0006]

In order to achieve the above object, the invention according to claim 1 is provided in an elevator car, a car monitoring camera for monitoring the inside of the car and outputting a video signal, and the elevator. It is installed in the car and monitors the outside of the car and outputs a video signal. The outside-camera monitoring camera and the video signals from the in-car monitoring camera and the outside-cam monitoring camera are transmitted to the elevator hall or the elevator machine room or the monitoring room. Provided in the elevator hall, the elevator machine room or the monitoring room, and a signal transmission device for transmitting the output signal of the camera control device to the elevator hall, the elevator machine room or the monitoring room The
A video signal display device for inputting a signal from the signal transmission device to display a video signal obtained by the in-car monitoring camera, and one of the video signals obtained by the out-of-car monitoring camera and the in-car monitoring camera. An elevator monitoring device including a video signal switching device for displaying on the video signal display device.

In order to achieve the above object, the invention according to claim 2 is the elevator monitoring device according to claim 1, wherein the outside of the car is monitored as an outside-car monitoring camera that outputs a video signal. Hoistway in the ascending direction,
Alternatively, the elevator monitoring device is characterized in that a plurality of monitoring cameras that respectively image the hoistway in the descending operation direction of the car are used.

In order to achieve the above object, the invention according to claim 3 is the elevator monitoring device according to claim 1, wherein in the elevator for observation, the outside-car monitoring camera is directed in a direction of displaying the situation outside the window. This is an elevator monitoring device characterized by the above.

In order to achieve the above-mentioned object, the invention according to claim 4 is the elevator monitoring device according to claim 1, characterized in that one provided at a landing is used as a video signal display device. It is a monitoring device.

In order to achieve the above object, the invention according to claim 5 is provided in an elevator car, a car monitoring camera for monitoring the inside of the car and outputting a video signal, and a car provided in the elevator car. Video signals from the outside-camera monitoring camera that monitors external conditions and outputs video signals, and the video signals from the inside-car monitoring camera and outside-car monitoring camera are converted into signals that can be multiplexed to the elevator hall and elevator machine room or monitoring room. A first control device and a first control device provided outside the elevator hall, elevator machine room, monitoring room, etc., for inputting a signal from the control device and displaying a video signal obtained by the outside-car surveillance camera. Video signal display device and second video signal display device for displaying video signal obtained by the in-car surveillance camera It is an elevator monitoring device equipped with a.

[0011]

According to the invention corresponding to claim 1 or claim 4, the condition outside the car is displayed on the display device during use conditions, for example, during the daytime, and the condition inside the car is displayed during the nighttime when there are few users. Is displayed on the screen, the user's discomfort can be eliminated and the security function can be satisfied.

According to the second aspect of the present invention, since the state according to the driving direction of the car can be displayed, a realistic driving feeling can be obtained, the service for the user is improved, and the safety of the hoistway is improved. Effective above.

According to the third aspect of the invention, it becomes possible for the users such as the landing and the like to enjoy the merit of the view elevator which the users in the car can enjoy. According to the invention corresponding to claim 5, it is possible to know the condition inside the car and the condition of the car, and it is possible to use them properly according to the purpose, whereby it is possible to simultaneously select and use the necessary video signals, The surveillance camera provided in the car can be effectively used.

[0014]

Embodiments of the present invention will be described below. <First Embodiment> FIG. 1 is a block diagram showing a first embodiment of the present invention. This is a television camera 1a for monitoring inside the car, a television camera 1b for monitoring outside the car, and a camera control device 2
a, 2b, a signal selection switching device 3 for selectively switching signals from the television cameras 1a, 1b, and a video signal transmission signal 4a from the signal selection switching device 3 to an elevator machine room (not shown) so that a signal selection switching device from the elevator machine room 3 includes a signal transmission cable 4 for transmitting a switching signal 4b to the switch 3, a signal receiving device 5 provided in an elevator machine room, a video signal display device 6, a switching signal output device 7, and a switching signal selecting operation input device 8. There is.

The operation of the first embodiment constructed as above will be described. A signal from the in-car monitoring television camera 1a that reflects the situation in the car is input to the camera control device, becomes a transmissible signal such as a video signal, and is input to the signal selection switching device 3.

Signals from the car outside monitoring television camera 1b and the camera control device 2b for displaying the outside of the elevator are input to the signal selection switching device 3.
On the other hand, the selection signal input from the switching signal selection operation input device 8 for switching whether to display the inside of the car or the outside of the car according to the use situation is transmitted by the transmission signal switching signal 4b via the switching signal switching device 7. The signal is input to the switching signal selection operation input device 8, the signal inside or outside the car is selected, the necessary video signal is received by the signal receiving device 5, and is output to the video signal display device 6 to display the necessary video. .

According to the first embodiment described above, the condition of use, for example, the condition outside the car is displayed during the day, and the condition inside the car is displayed during nighttime when the number of users is small to satisfy the security function. You can

<Second Embodiment> FIG. 2 is a block diagram showing a second embodiment of the present invention. The difference from the embodiment of FIG.
The points are as follows. That is, the first to show the outside of the car
Surveillance television camera 1b and second surveillance television camera 1
c is provided, and the signals obtained from these are input to the signal selection switching device 3 via the respective camera control device control devices 2b and 2c.

The first TV camera 1b projects the hoistway in the ascending operation direction above the elevator, and the second TV camera 1c is installed in the lower part of the elevator so as to project the hoistway in the descending operation direction.

These signals indicating the condition outside the car are input to the elevator machine room by the signal selection switching device 3. However, by obtaining a signal for switching between upper and lower sides as necessary, for example, a television camera during an ascending operation. It is possible to display an image corresponding to the driving by selecting the signal from 1b and the signal from the television camera 1c during the descent operation and outputting the selected signal to the image signal display device 6.

Also, a television camera 1 for displaying the outside of the car.
About b and 1c In the case of an elevator for observation, by installing the camera in the direction to get the outside view from inside the car,
A video signal similar to that enjoyed by passengers in the car is obtained.

<Third Embodiment> FIG. 3 is a block diagram showing a third embodiment of the present invention. Although the television camera provided in the elevator has been described in the first and second embodiments described above, FIG. 3 is a diagram for explaining the display system of the video signal obtained by the above system.

As shown in FIG. 3, a video display device 6a is provided in the monitoring room. Further, one or more video display devices 6b and 6c are provided at the elevator hall. The points described above are different from the embodiment of FIG.

In such a structure, the video signal inside or outside the car is selected by the signal selection switching device 3, and one of the signals is input to the signal receiving device 5 in the elevator machine room. Here, the signals are distributed and one is sent as a signal for managing the monitoring room and the like.

Further, one of the signals is sent to the image display devices 6b to 6c at the hall as an elevator hall display signal provided at the hall. It may be installed on the first floor or on multiple floors above the second floor. In each of these floors, for example, during the daytime, by outputting a video signal above or below the car, the operating status of the elevator and the realistic sensation of driving can be obtained.

Further, the cameras 1b and 1c are directed toward the outside of the car.
If you install the, you can see the view from the building even in each hall, such as for viewing purposes, without waiting time and making users feel uncomfortable. Also, during nights and other times when there are few people, security can be taken into consideration by displaying the situation in the car, and even if an abnormality occurs in the car, it is possible to quickly respond.

<Fourth Embodiment> FIG. 4 is a block diagram showing a fourth embodiment of the present invention. In this embodiment, multiple or plural video transmission lines from the car to the machine room are provided.
As shown in FIG. 4, the signals from the camera control devices 2a and 2b are input to the signal composite synthesizing device 9, and the signals combined into one are provided in the machine room via the composite video signal line 4d. This is different from the above-described embodiment in that the signal is input to the signal separation / distribution device 10 and is distributed here to signals outside and inside the car.

In the embodiment thus constructed, the video signals inside or outside the car obtained by the television cameras 1a and 1b are input to the signal composite synthesizing device 9 and become one synthesized video signal. Further, it is input to the video signal separation / distribution device 10 provided in the machine room through the signal transmission line 4d capable of transmitting the composite video signal and distributed to the signals outside the car and inside the car. For example, the signal inside the car is sent to the monitoring room. , In addition, the signal inside the car is sent to the elevator hall. As a result, the situation inside the car and the situation outside the car can be known at the same time, and it can be used properly according to the purpose. This allows you to select and use the required video signals at the same time.
The TV camera installed in the elevator car can be effectively used.

[0029]

According to the present invention, it is possible to provide an elevator monitoring device which eliminates the discomfort of the elevator user and also satisfies the security function.

[Brief description of drawings]

FIG. 1 is a block diagram showing a first embodiment of an elevator monitoring device of the present invention.

FIG. 2 is a block diagram showing a second embodiment of the elevator monitoring device according to the present invention.

FIG. 3 is a block diagram showing a third embodiment of an elevator monitoring device of the present invention.

FIG. 4 is a block diagram showing a fourth embodiment of the elevator monitoring device according to the present invention.

[Explanation of symbols]

1a, 1b, 1 ... Surveillance television camera, 2a, 2b ... Camera control device, 3 ... Signal selection switching device, 4a ... Video transmission signal, 4b ... Switching signal, 4d ... Video transmission signal, 4 ... Signal transmission cable, 5 ... Signal receiving device, 6, 6a, 6b, 6
c ... video signal display device, 7 ... video signal switching device, 8 ... switching signal selecting operation input device.

Claims (5)

[Claims] 1. An in-car monitoring camera installed in an elevator car to monitor the inside of the car and output a video signal, and an outside car monitor installed in the elevator car to monitor the outside of the car and output a video signal. A camera, a camera control device for converting video signals from the in-car surveillance camera and the out-car surveillance camera into a signal that can be transmitted to an elevator hall, an elevator machine room, or a surveillance room, and an output signal of the camera control device. A signal transmission device for transmitting to the elevator hall, the elevator machine room, or the monitoring room, and a signal provided from the signal board from the elevator hall, the elevator machine room, or the monitoring room. A video signal display device for displaying the captured video signal; Elevator monitoring apparatus comprising a video signal switching apparatus for displaying one of a video signal obtained by the fine said car within the surveillance cameras to the video signal display apparatus. 2. The elevator monitoring device according to claim 1, wherein the outside of the car is monitored as a camera for monitoring the outside of the car and outputs a video signal, as a hoistway in the ascending operation direction of the car or in a descending operation direction of the car. An elevator monitoring device comprising a plurality of monitoring cameras that respectively image the hoistway. 3. The elevator monitoring device according to claim 1, wherein in the elevator for observation, an outside-car monitoring camera is directed in a direction of displaying a situation outside the window. 4. The elevator monitoring device according to claim 1, wherein the video signal display device provided at the hall is used. 5. An in-car monitoring camera installed in an elevator car to monitor the inside of the car and output a video signal, and an outside car monitor installed in the elevator car to monitor the outside of the car and output a video signal. A camera, a control device for converting the video signals from the in-car monitoring camera and the out-of-car monitoring camera into a signal that can be simultaneously multiplexed to an elevator hall and an elevator machine room or a monitoring room, the elevator hall and an elevator machine room, and monitoring First and second units, which are provided outside the hall such as a room, for inputting a signal from the control device and displaying at least one of the video signals obtained by the in-car monitoring camera and the outside-cam monitoring camera. An elevator monitoring device equipped with a video signal display device.