KR101459994B1

KR101459994B1 - Optical Communication Device for an Elevator

Info

Publication number: KR101459994B1
Application number: KR1020140106262A
Authority: KR
Inventors: 윤일식; 윤준찬
Original assignee: 윤일식; 윤준찬
Priority date: 2014-08-14
Filing date: 2014-08-14
Publication date: 2014-11-07
Also published as: CN105366460B; CN105366460A; CN204643413U; WO2016024706A1

Abstract

The present invention relates to an optical communication device for an elevator capable for shortening an optical communication distance to the shortest possible distance, comprising a data transmitter (10) which is installed in a wall side of hole of the elevator or the ceiling; a data receiver (30) which is installed on the back side of a hole button cover (20) of a building elevator, is wirelessly connected to the data transmitter (10), and receives the digital data from the data transmitter; an antenna (32) which is mounted on the hole button cover (20) and is connected to the data receiver (30); an optical communication transmitter (40) which is connected to the data receiver (30), is installed on the wall side of an elevator way (P), and converts digital data into optical data; an optical communication receiver (50) which is installed in the elevator (E) in a position which is faced to the optical communication transmitter (40) and receives data by wireless optical communication from the optical communication transmitter (40) when the elevator (E) is stopped; a controller (C) which is connected to the optical communication receiver (50) and a control room, is installed on the ceiling of the elevator (E), converts the data received from the optical communication receiver (50) into image data, and is controlled by the control room; and a monitor (M) which is connected to the controller (C), is installed on a door, the wall side or the ceiling of the elevator (E), and displays the image data received from the controller.

Description

Technical Field [0001] The present invention relates to an optical communication device for an elevator,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical communication device for an elevator, and more particularly to an optical communication device for an elevator that shortens an optical communication distance to the shortest distance.

2. Description of the Related Art As an example of installing monitors for displaying information in an elevator, specifically a door, a wall surface, or a ceiling has been increasing, optical communication is increasingly adopted for transferring data from the outside to a monitor.

1 is a sectional view of an elevator hoistway showing such an optical communication system. For optical communication, an optical communication transmitter 140 is installed at the bottom of the hoistway and an optical communication receiver 150 is installed at the bottom of the elevator E facing the optical communication transmitter. In this case, data transmission is generally performed between the transmitter 140 and the receiver 150 through the optical communication in a state where the elevator E has reached the lowest point as shown in the drawing. Such data is transmitted to the monitor M To be displayed.

In this case, as shown in the figure, there is a problem that the optical communication distance between the transmitter and the receiver is longer than the height of the building or the average height of a general adult man. The shorter the communication distance, the better the quality of optical communication. In addition, since the transmitter is installed on the bottom surface of the hoistway, the transmitter is exposed to a relatively dirty environment, and dust or foreign matter accumulates on the surface of the transmitter. Particularly, since the elevator hoistway is very frequently lifted and moved by an elevator, foreign matter such as dust is very large, so that the surface of the transmitter is covered with foreign matter. In this case, the optical communication is disturbed, and data transmission will not be performed properly.

Further, as shown in the drawing, since the controller C including the computer installed in the machine room located at the upper end of the elevator hoistway and the optical communication transmitter 140 must be connected by a wire cable, the length of the wire cable is very long, There arises a problem in terms of maintenance and cost of the cable.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to maintain the optimum communication quality with the shortest optical communication distance.

The present invention also aims to arrange an optical communication transmitter and a receiver in a relatively clean environment to prevent dust and foreign matter from interfering with communication.

The present invention also aims to minimize installation and maintenance costs by minimizing the length of the wired cable connected to the optical communication receiver.

In order to accomplish the object of the present invention, the present invention provides a data transmission system comprising: a data transmitter (10) installed on a wall or ceiling of a hall near the front of an elevator door;

A data receiver (30) installed behind the hall button cover (20) of the building elevator and connected wirelessly with the data transmitter (10) to receive digital data from a data transmitter;

An antenna 32 embedded in the hall button cover 20 and connected to the data receiver 30;

An optical communication transmitter (40) connected to the data receiver (30) by wired lines, installed on a wall surface of the elevator hoistway (P), for converting the digital data into optical data and transmitting the optical data;

When the elevator E is stopped for boarding or getting off the passenger, the elevator E is installed in the elevator E facing the optical communicator 40 and receives data from the optical communicator 40 by wireless optical communication An optical communication receiver (50);

A controller (C) connected to the optical communication receiver (50) by wired connection, installed on a ceiling of the elevator (E), receiving data from the optical communication receiver (50) and converting the data into image data; And

And a monitor (M) connected to the controller (C) by a wire and installed on a door, a wall surface or a ceiling of the elevator (E) and receiving and displaying image data from the controller.

In the optical communication device of the present invention, the data transmitter 10 can transmit data using LTE, WiFi, wireless LAN, or the like.

It is preferable that the optical communication transmitter 40 and the optical communication receiver 50 are spaced apart by a distance between the hall door D1 of the elevator E and the cage door D2.

According to the optical communication device for an elevator of the present invention configured as described above, the optical communication distance can be shortest, and the highest communication quality can be provided. In addition, since the optical communication transmitter and the receiver are installed in the elevator and the wall of the passageway of the elevator respectively, dust is prevented from accumulating in the optical communication transmitter because the dust is not installed inside the hoistway which is dirty and has many foreign substances and dust. . Further, since the controller including the computer is installed on the elevator ceiling, the length of the wired cable connecting between the optical communication receiver and the controller can be minimized, and the installation and maintenance cost can be reduced.

1 is a sectional view of an elevator hoistway showing an optical communication system of a conventional elevator;
2 is a plan view of an example of the present invention;
3 is a sectional view taken along the line III-III in Fig. 2;
FIG. 3A is an enlarged view of a portion A in FIG. 3; FIG.
4 is a front view of the hole button cover 20 showing the antenna 32;
5 is a sectional view taken along the line VV in Fig. 4;
6 is a perspective view of the elevator hoistway as viewed from the rear, with the elevator halted;
7 is a perspective view showing a connection relationship between the elevator E, the cage door D2, the optical communication receiver 50, the controller C and the monitor M. FIG.

Fig. 2 is a plan view of an example of the present invention, Fig. 3 is a sectional view taken along the line III-III in Fig. 2, and Fig. 3A is an enlarged view of a portion A in Fig.

As shown in the figure, a data transmitter 10 is installed on a wall or a ceiling of a hall in front of an elevator hoistway, unlike the related art. For example, as shown in Fig. 2, a data transmitter 10 is installed on the wall surface of the front surface of the elevator door of the first floor or the ceiling of the first floor hall (hallway) as shown in Fig. The data transmitter 10 transmits data, especially digital data, in any conventional manner, including LTE, WiFi or wireless LAN.

Next to the elevator door is disposed a hall button cover 20 for selecting a desired floor or whether to ascend or descend. A data receiver 30 is installed behind the hall button cover 20, And receives digital data from the data transmitter. It is preferable to provide the antenna 32 to the hole button cover 20 and connect the antenna to the data receiver 30 for data reception.

Fig. 4 is a front view of the hole button cover 20 showing the antenna 32, and Fig. 5 is a sectional view taken along line V-V of Fig.

As shown in the figure, the antenna 32 is arranged linearly on both sides of the hole button cover 20, and is usually covered with plastic that is well-received by radio waves. However, if necessary, the antenna 32 may be provided at only one of the other portions of the hole button cover 20. 5, the antenna 32 is connected to a data receiver 30 disposed at the back of the button substrate 22. However, the antenna 32 may be installed in an elevator hall, It can be equally installed in a car or a hall lantern.

3A, an optical communication transmitter 40, which is connected to the data receiver 30 by wire and converts the digital data into optical data and transmits the optical data, is provided on the wall surface of the elevator hoistway P, Which is opposite to the optical communication receiver 50 of FIG. An optical communication receiver (50) is installed in the elevator (E) at a position facing the optical communication transmitter (40). More specifically, when the elevator E stops for boarding / getting off of the passenger, the optical communication receiver 50 is stopped in the elevator E (see FIG. 3) ). Data is received between the optical communication transmitter (40) and the optical communication receiver (50) by wireless optical communication.

6 is a perspective view of the elevator hoistway as viewed from the back, with the elevator stopped. A controller C connected to the optical communication receiver 50 by wire is installed on the ceiling of the elevator E. The controller C receives data from the optical communication receiver 50 and converts the data into image data .

7 is a perspective view showing a connection relationship between the elevator E, the cage door D2, the optical communication receiver 50, the controller C and the monitor M. FIG. As shown in the figure, the monitor (M) is connected to the controller (C) by wire. Although the figure shows the monitor M installed on the cage door D2, the monitor can be installed on the wall or the ceiling inside the elevator E if necessary. The monitor M receives and displays image data from the controller, and can display various information through the controller under the control of the control room.

3A, according to the present invention, the optical communication transmitter 40 and the optical communication receiver 50 are spaced apart from each other by only a distance between the hall door D1 of the elevator E and the cage door D2, Can be minimized.

Although the construction of the present invention has been described above, it is most preferable that the present invention is embodied in a layer where the elevator is most stopped, for example, a first floor. However, if desired, the present invention may be implemented in other layers, and in some cases, the present invention may be implemented in various layers.

Claims

A data transmitter (10) installed on a wall surface or a ceiling of a hall in front of the elevator hoistway;
A data receiver (30) installed behind the hall button cover (20) of the building elevator and connected wirelessly with the data transmitter (10) to receive digital data from a data transmitter;
An antenna 32 embedded in the hall button cover 20 and connected to the data receiver 30;
An optical communication transmitter (40) connected to the data receiver (30) by wired lines, installed on a wall surface of the elevator hoistway (P), for converting the digital data into optical data and transmitting the optical data;
When the elevator E is stopped for boarding or getting off the passenger, the elevator E is installed in the elevator E facing the optical communicator 40 and receives data from the optical communicator 40 by wireless optical communication An optical communication receiver (50);
A controller (C) connected to the optical communication receiver (50) and a control room by wires, installed on a ceiling of the elevator (E), receiving data from the optical communication receiver (50), converting the data into image data, and receiving control of the control room; And
And a monitor (M) which is connected to the controller (C) by a wire and installed on a door, a wall surface or a ceiling of the elevator (E) and receives and displays image data from the controller.

The elevator optical communication device according to claim 1, wherein the data transmitter (10) transmits data using LTE, WiFi or wireless LAN.

The elevator according to claim 1 or 2, wherein the optical communication transmitter (40) and the optical communication receiver (50) are spaced apart from each other by an interval between the hall door (D1) of the elevator (E) and the cage door Optical communication device.