JP2001039640A - Security camera for elevator and monitor system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To clearly display an image or a teletext on an information display device installed in a car of a multistory and high-speed elevator by aerially implementing the transmission of the image photographed by a photograph device in the car and the transmission of various kind of information from an image information transmitting/receiving device in a machine room. SOLUTION: An image photographed by a photograph device 3 such as a video camera provided in a car 12 is transmitted from a first transmitter 1, the image signals are received by a first receiver 2 provided in the top part of a hoistway 11, and the receiver signals are transmitted to an image information receiving/transmitting device 6 provided in a machine room 13 side. On the other hand, the information signals from the image information receiving/ transmitting device 6 are transmitted from a second transmitter 1B provided in the top part of the hoistway 11, the transmitter signals are received by a second receiver 2A provided in the top of the car 12, and the receiver signals are displayed on a first information display 4 such as a display provided in the car 12 as the image. The information signals are also displayed on a second information display 5 in the outside.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a security camera and a monitor system for an elevator.

[0002]

2. Description of the Related Art In recent years, there has been a demand for installing a security camera in an elevator even in a high-rise building.

[0003] Low-middle-rise elevator (up and down stroke about 60m)
With regard to (2), a camera signal is fixed to an existing tail cord and wired to transmit a video signal of a security camera to a video deck or the like installed in a machine room or the like.

Further, a display device such as a monitor is provided in the car, and an information signal such as teletext is displayed on the display device by the camera wiring using an existing tail code.

However, for a high-rise, high-speed elevator (elevation stroke about 100 m, elevation speed 180 m / min or more),
When installing the camera, monitor, etc., only the method of fixing the wiring necessary for installing the equipment to the existing tail cord is unstable, and the wiring is unstable, and an accident such as disconnection of the wiring occurs. Because of the danger, the existing tail cord was removed, and a new cable with camera wiring was installed.

[0006]

In the transmission of a video signal using an existing tail code as in the above-mentioned conventional example, since the fixing of the wiring is unstable and the possibility of an accident caused by this is high, a high-rise high-speed elevator is required. Experiments have revealed that it is difficult to install a display device such as a camera and a monitor in.

An object of the present invention is to provide an elevator security camera and a monitor system which can solve the above-mentioned problems.

[0008]

An object of the present invention is to provide a photographing device provided on a car side for photographing the inside of the car,
An image captured by the image capturing device is transmitted as a video signal, and a first transmitting device provided on the car side and a video signal from the first transmitting device are received, and provided on the machine room side. A first receiving device, an image information receiving / transmitting device provided in the machine room, a second transmitting device transmitting the image information signal from the image information receiving / transmitting device, and provided in the machine room side; (2) The image information signal from the transmitting device is displayed as a video, and the video signal transmitted from the first receiving device is extracted from the first information display device provided on the car side and the image information receiving and transmitting device. A recording device for recording a video signal on a recording medium such as a video tape, transmitting a video signal from the first transmitting device to the first receiving device, and
This is achieved by a configuration in which the transmission of the image information signal from the transmitting device to the second receiving device is performed by spatial transmission.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, an elevator 10 has at least a hoistway 11, a car 12 for ascending and descending, and a machine room 13 provided above the hoistway 11.

The security camera and the monitor system of the elevator 10 are for transmitting an image photographed by the photographing device 3 as a video signal to the photographing device 3 such as a video camera, and are provided on the car 12. A first transmitting device 1, a first receiving device 2 for receiving a video signal from the first transmitting device 1, provided above the hoistway 11, and an image provided on the machine room 13 side. An information receiving / transmitting device 6 for transmitting an information signal from the image information receiving / transmitting device 6;
A transmitting apparatus 1B, a second receiving apparatus 2A for receiving an information signal from the second transmitting apparatus 1B and provided on the car 12, and an information signal from the second receiving apparatus 2A as an image. A first information display device 4 for displaying and comprising a display and a monitor provided in the car 12 and a first receiving device 2 from the image information receiving and transmitting device 6.
Recording device 7 comprising a video deck or the like for taking out the video signal transmitted from the device and recording it on a recording medium such as a video tape, and image information receiving / transmitting device 6 via a television antenna
A text broadcast tuner 8 for capturing a text broadcast screen as an information signal, a modem 9 for capturing a screen created by a personal computer or the like as an information signal to the image information receiving / transmitting device 6 via a general telephone line, A second information display device 5 which is installed at an elevator platform or the like other than the car 12 and displays an information signal from the image information receiving / transmitting device 6 as an image is provided.

The second information display device 5, like the first information display device 4 provided in the car 12, comprises a display, a monitor, and the like.

As shown in FIG. 2, the image information receiving / transmitting device 6 has an image information input / output device 6A and an image display switch 6B. The image information input / output device 6A is a display pattern for displaying teletext image information from the teletext tuner 8 and image information (hereinafter, referred to as personal computer image information) such as characters and figures created by a personal computer or the like from the modem 9. Has the function of setting

The image display switch 6B takes in the video signal from the first receiving device 2 and appropriately outputs the video signal or the information signal to the second information display device 5, the second transmitting device 1B and the recording device 7. It has a switching function.

Transmission of a video signal from the first transmitting device 1 to the first receiving device 2 and transmission of a video signal from the second transmitting device 1B to the second receiving device 2
The transmission of the information signal to A is performed by installing the first transmitting device 1 and the second receiving device 2A on the car 12 in order to ensure the spatial transmission by infrared rays or the like. The first receiving device 2 is installed facing the first transmitting device, and the second transmitting device 1B is installed above the hoistway 11 so as to face the second receiving device 2A.

The light emitting section of the first transmitting device 1 and the first receiving device 2
The positioning of the car 12 and the light emitting section of the second transmitting apparatus 1B and the light receiving section of the second receiving apparatus 2A may be performed by raising and lowering the car 12 in the hoistway 11. .

According to the present embodiment, the following is possible.

(1) The image photographed by the photographing device 3 is displayed on the first information display device 4 of the car 12 and the second information display device 5 provided at the landing via the image information transmitting / receiving device 6. It is possible to suppress crimes such as mischief in the car 12.

(2) Teletext from a TV antenna,
The personal computer image information from the general telephone line is transmitted to the first information display device 4 of the car 12 via the image information receiving / transmitting device 6.
Can be displayed on the second information display device 5 provided at the landing, so that various kinds of information necessary for the passengers of the elevator can be provided.

(3) Compared with a conventional video signal or information signal transmission system using a tail code, the construction cost can be reduced by about 70%, the influence of surrounding noise is reduced, and , Up and down stroke about 100
m, even if the elevator speed is 180 m / min or more, the first information display device 4 and the second information display device 5 can clearly display the video photographed by the photographing device 3 and the text broadcast and the personal computer image information. Can be done.

[0021]

As described above, according to the present invention, an information display device such as a display installed in a high-rise building having an ascending / descending stroke of about 100 m and an ascending / descending speed of 180 m / min or more, in a car of a high-speed elevator, or at a platform. In addition, an elevator security camera and a monitor system with a simple structure capable of clearly displaying images and text broadcasts of the inside of the car are obtained.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of an elevator security camera and a monitor system according to an embodiment of the present invention.

FIG. 2 is a functional block diagram related to an image information receiving / transmitting device according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1st transmitting apparatus 1B 2nd transmitting apparatus 2 1st receiving apparatus 2A 2nd receiving apparatus 3 Imaging device 4 1st information display apparatus 5 2nd information display apparatus 6 Image information receiving and transmitting apparatus 7 Recording apparatus 8 Teletext tuner 9 Modem Reference Signs List 10 elevator 11 hoistway 12 car 13 machine room

Claims (4)

[Claims] 1. A photographing device provided on a car side for photographing the inside of the car, transmitting a video photographed by the photographing device as a video signal, and a first transmission provided on the car side. A device, a video signal from the first transmitting device, and a first receiving device provided in the machine room; an image information receiving / transmitting device provided in the machine room; A second transmitting device provided on the machine room side, and an image information signal from the second transmitting device is displayed as a video, and a first information display provided on the car side is provided. And a recording device for taking out a video signal transmitted from the first receiving device from the image information receiving / transmitting device and recording the video signal on a recording medium such as a video tape, and a first receiving device from the first transmitting device. Transmitting a video signal to the device and A security camera and a monitor system for an elevator, wherein transmission of an image information signal from a second transmitting device to a second receiving device is performed by spatial transmission. 2. The security camera and monitor system for an elevator according to claim 1, wherein the image information signal includes a teletext signal or an image signal created by a personal computer. 3. The security camera for an elevator according to claim 1, further comprising a second information display device that displays an image information signal from the image information receiving and transmitting device as a video image and that is provided on a landing side. Monitor system. 4. A configuration in which a video signal transmitted from the first receiving device can be transmitted as an information signal to the second receiving device by the second transmitting device via the image information receiving / transmitting device. The security camera and monitor system for an elevator according to claim 1, wherein: