JPH1121038A - Signal transmission device of elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the processing such as changing of the program of a programmable equipment installed on a communication terminal of each landing hall from an elevator control device by providing the mode of changing the program or the data of the equipment of the landing hall. SOLUTION: A communication part 21 in a control device in an elevator control device 2 gives the command to change the program or the data of the equipment (6-1)-(6-n) at a landing hall connected to the prescribed communication terminals (1-1)-(1-n) for the landing hall and communication terminals of an elevator cage, and transmits the command through a transmission passage 3. In this transmission, the communication part 21 in the control device transmits the signal entering the mode of changing the program or the data to the transmission passage 3, the communication terminal address to meet the objective changing command is transmitted, and then, the changed program or the changed data is transmitted. The communication terminals (1-1)-(1-n) at the landing hall receive the communication terminal address, judge whether or not the communication terminal address meets themselves, and the changed information is received when the address meets themselves.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator signal transmission device, and more particularly to control of equipment connected to a landing terminal installed at a landing.

[0002]

2. Description of the Related Art Conventionally, this kind of technology is disclosed in
By transmitting information exchanged between the elevator landing communication terminal and the elevator control device as described in the 3478 publication, by dividing into information common to all floors and information unique to each floor,
There is a technique in which information transmission time related to elevator control is shortened, and general information is transmitted using surplus transmission capacity.

Japanese Patent Application Laid-Open No. 8-192964 discloses a structure in which a display screen corresponding to a control signal sent is displayed when controlling a display installed at a landing or the like by serial transmission. In some cases, a display mode can be changed by providing a communication mode for changing a display screen corresponding to a control signal.

[0004]

According to the above prior arts, control information and general information can be transmitted through a common signal line, respectively.
Another advantage is that part of the display information can be easily changed. It was sufficient when the landing equipment to be installed such as elevator landings was limited to some extent, but the equipment to be installed at the landings became diversified, and to control various landing equipment in response to various demands It is no longer enough.

[0005] In particular, it has become impossible to sufficiently cope with a case where a programmable device whose function can be changed by an external program change or the like is connected to a communication terminal at a landing and it is desired to change the program from an elevator control device.

An object of the present invention is to improve such a point and to enable processing such as a program change of a programmable device installed in a device at a communication terminal at each landing from an elevator control device.

Another object of the present invention is to transmit and receive signals between a landing device connected to a landing communication terminal and an input terminal connected to an elevator control device or a network in a building. As a separate installation, it is possible to transmit virtually as if it were seen, and it is possible to send and receive signals between the landing equipment, input terminals, and the building network without adding extra processing. is there.

[0008]

The elevator control device comprises:
The communication means of the control device instructs a program or data change of a landing device connected to each landing, a communication terminal of a specific landing, or a car communication terminal.

[0009] The communication means of the control device receives the program or data change command of the hall device, determines whether the change command is for a hall device connected only to a specific hall terminal, and writes the program or data in the transmission path. Send a signal to enter the data change mode, if the change command is common to all communication terminals, the communication terminal address for the previous communication terminal, if the change command for the specific communication terminal, the specific communication terminal A communication terminal address is transmitted, and then a device name or a device number and a device address connected to a communication terminal whose program or data is to be changed are communicated, and then a change program or change data is communicated.
Then, when polling each communication terminal to transmit and receive elevator control information, receive from each communication terminal whether the program or data change of the landing equipment was successful, and transmit the result to the elevator control device. It was done.

[0010] The communication terminal or the car communication terminal at each landing receives the communication terminal address, determines whether the communication terminal address is its own communication terminal address or the one common to all floors, and makes its own communication. If the terminal address or the floor address is common to all floors, the device name and the change information sent below are received.

The equipment determining means provided in the hall communication terminal compares the equipment name of the hall equipment provided in the hall communication terminal with the equipment name of the hall equipment transmitted from the communication means of the control device. If so, the landing device is set to a program or data change mode, and the changed data is sent to the landing device. If they do not match, the next time that the elevator control information is transmitted by polling, the fact that they do not match is added and transmitted.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an overall configuration diagram of the present invention.

The information of the landing communication terminals 1-1 to 1-n is transmitted to a communication unit 21 in the control device of the elevator control device 2 by a transmission line 3.
Transmitted through. The information transmitted at this time includes car position information for displaying the landing button 4-1 to 4-n hole button information and information such as its response on the indicators 5-1 to 5-n. The control device control unit 22 controls the elevator based on this information.

A communication unit 21 in the control device of the elevator control device 2 is provided at each landing or at a specific landing communication terminal 1-.
A program or data change of the landing devices 6-1 to 6-n connected to 1 to 1-n or a car communication terminal (not shown) is instructed and transmitted via the transmission path 3.

The communication unit 21 in the control device receives a program or a data change command of the landing devices 6-1 to 6-n from the input terminal 7 or the network 8 in the building, and only the specific landing communication terminal 1 It is determined whether the command is a change command for the landing equipment 6 connected to the terminal, and a signal for entering a program or data change mode is sent to the transmission line 3. If the floor common address for the landing communication terminals 1-1 to 1-n is a change command for the specific landing communication 1-1 to 1-n terminals, the communication terminal address for the specific communication terminal is transmitted. Then, the landing devices 6-1 to 6 connected to the landing communication terminal 1 for which a program or data is desired to be changed.
Communicate the name or device number and device address of -n, followed by the change program or change data.

Then, when polling each hall communication terminal 1 to transmit and receive elevator control information,
It receives from each hall communication terminal 1 whether or not the program or data change of the hall devices 6-1 to 6-n is successful, and transmits the result to the elevator control device 2 via the control device communication unit 21.

Each of the landing communication terminals 1-1 to 1-n and the car communication terminal receives the communication terminal address, and determines whether the communication terminal address is its own communication terminal address or a common one for all floors. If it is determined that the communication terminal address is the same as that of the own communication terminal or is common to all floors, the device names and change information of the landing devices 6-1 to 6-n sent below are received. .

The landing communication terminals 1-1 to 1-n are the equipment names of the landing devices 6-1 to 6-n provided in the landing communication terminals and the landing devices 6 transmitted from the communication unit 21 in the control device. The device names -1 to 6-n are compared, and if they match, the landing devices 6-1 to 6-n are set to a program or data change mode, and the changed data is converted to the landing devices 6-1 to 6-n. n. If they do not match, the next time the control information of the elevator is transmitted by polling, the fact that they do not match is added and transmitted.

FIG. 2 shows an example of transmission data. Communication is
As shown in FIG. 2A, data is transmitted from the elevator control device 2 to the landing communication terminals 1-1 to 1-n on each floor with the address of the destination floor, and then, from each floor to each floor. The unique data is transmitted to the elevator control device 2, and thereafter, the data common to all floors is transmitted with the identifier indicating that the data common to all floors is common to all floors. In this way, control information is exchanged between the hall communication terminals 1-1 to 1-n on each floor and the elevator control device 2.

When it is necessary to change the program of the device according to the present invention, the program change data is communicated by adding a program change address unique to each floor after the normal communication shown in FIG. 2 (a). When a plurality of hall devices 6-1 to 6-n for performing a program change are connected to a single hall communication terminal 1, a unique device connected to the hall communication terminal 1 after a program change address unique to each floor. Address.

Further, in the example of the transmission data, it is necessary to end the transmission of one cycle within a predetermined cycle in order to keep the time from when the button is pressed to when the response light is turned on. Therefore, in the case where transmission cannot be completed by one-cycle transmission, as shown in FIG. 2C, an identifier is provided to indicate whether the data is completed at the end of the transmission data or whether the next cycle is transmitted. .

Although the above description has been made of the case of changing the program, the data can be transmitted by the same processing as that of the program instead of the program change of the landing equipment.

FIG. 2D shows that there is always data to be transmitted to any one of the landing devices, or a large number of landing communication terminals 1.
This is an example of transmission data in a case where data is transmitted from −1 to 1-n. After the transmission of information necessary for elevator control similar to that of FIG. 2A is completed, the addresses of the landing communication terminals 1-1 to 1-n on each floor are transmitted again, and the landing communication terminal 1
Identifiers indicating programs or data of hall devices 6-1 to 6-n connected to -1 to 1-n and a plurality of hall devices 6-1 to 6-n were connected to one terminal. In this case, an identifier indicating a device number is attached, and then a program of the device or data used by the device is transmitted.

FIG. 2E shows landing devices 6-1 to 6-n.
This is an example of a case in which information is transmitted from the Internet to an input terminal 7 connected to the elevator control device 2 or a network 8 in a building. The landing communication terminals 1-1 to 1-n to which the landing devices 6-1 to 6-n are connected are polled by the elevator control device 2, receive their own addresses, receive information for their own addresses, and Is transmitted, the landing equipment 6 connected to the landing communication terminals 1-1 to 1-n is transmitted.
Identifiers from -1 to 6-n are attached and transmitted to the elevator control device. At this time, the landing communication terminals 1-1 to 1-1
When a plurality of hall devices 6-1 to 6-n are connected to n, the addresses of the hall devices 6-1 to 6-n may be added to the identifier.

The information sent from the landing devices 6-1 to 6-n is transmitted within a certain period of time so as to secure the response between the landing devices 6-1 to 6-n and the elevator control device 2. The amount of communication at one time is limited so that it can be sent to the server, and if it is not possible to send all at once, a continuation code may be added to the end of the information so that the next time polling is performed, the continuation is sent. .

FIG. 3 is a flowchart showing the operation of the present invention. First, the communication unit 21 in the control device of the elevator control device 2 sequentially transmits the addresses of the landing communication terminals 1-1 to 1-n to the transmission path 3 and sequentially transmits the addresses of the landing communication terminals 1-1 to 1-1.
1-n is polled (301). The hall communication terminals 1-1 to 1-n to which the signal has been transmitted determine whether or not the transmitted address is their own address (302). Transfer is performed (303), and this is continued until all floors are completed (304).

Next, the control unit communication section 21 communicates information common to all floors (305). Furthermore, the landing equipment 6
If a program change or data change from -1 to 6-n is necessary, the control unit communication unit 21 sends a signal to the transmission line 3 to indicate that the program or data change mode is to be entered (306). Next, common landing equipment 6-1 on all floors
In the case of changing the program or data of the .about.6-n units, an identifier indicating that it is common to all floors is transmitted, and in the case of a change command for a specific floor, a communication address for the specific floor is transmitted (307). Next, when a plurality of hall devices 6-1 to 6-n are connected to the hall communication terminals 1-1 to 1-n, the hall communication terminals 1-1 to which a program change is to be performed.
The device names or device numbers and device addresses of the landing devices 6-1 to 6-n connected to 1-n are transmitted (308),
Thereafter, a change program or change data is transmitted (309).

Thereafter, when transmitting and receiving the elevator control information, the landing communication terminals 1-1 to 1-n inform the landing equipments 6-1 to 6-n whether or not the program or data change has succeeded. The data is transmitted from the communication terminals 1-1 to 1-n (310).

[0029] Of these, the floor communication terminals 1-1 to 1-1
Step (308) can be omitted if there is only one hall device 6-1 to 6-n connected to -n, and step (310) can be omitted if no change confirmation is necessary.

FIG. 4 is a flowchart showing the operation of the control device communication section 21 in the elevator control device 2 of the present invention.

First, the communication unit 21 in the control device sequentially transmits the addresses of the landing communication terminals 1-1 to 1-n to the transmission line 3 and polls the landing communication terminals 1-1 to 1-n ( 401). Next, elevator control data for the floor is transmitted (402). This is continued until all floors are completed (403).

Next, the communication unit 21 in the control device communicates information common to all floors with an identifier indicating that the information is common to all floors (404). Further, the landing devices 6-1 to 6
If it is necessary to change the program or data to -n, a communication indicating entry into the motor for changing the program or data is sent (405), and then the common landing equipment 6-1 to 6--6 on all floors is sent. In the case of a program or data change of n, an identifier indicating that it is common to all floors is transmitted, and in the case of a change command for a specific floor, a communication address for the specific floor is transmitted (406). Communication terminal 1-1-1
When a plurality of hall devices 6-1 to 6-n are connected to -n, the hall devices 6-1 to 6-n connected to the hall communication terminals 1-1 to 1-n whose program is to be changed. n
The device name, device number, and device address are transmitted (407), and thereafter, a change program or change data is transmitted (408).

When there is one hall equipment 6-1 to 6-n connected to each floor hall communication terminal 1-1 to 1-n, step (407) can be omitted as in FIG. is there. FIG. 5 shows the landing communication terminals 1-1 to 1-n of the present invention.
6 is a flowchart showing the operation of the embodiment.

First, the hall communication terminals 1-1 to 1-n to which the signal has been transmitted determine whether or not the transmitted address is their own address (501). It exchanges signals with the unit 21 (50
2). Next, when an identifier indicating information common to all floors is received (503), the next common information transmitted to all floors is also received (504). Further, when a signal indicating that the mode for changing the program or data is entered is received (50).
5) Next, in the case of changing the program or data of the hall devices 6-1 to 6-n common to all floors, an identifier indicating that all floors are common, and a change command for a specific floor. Receives a communication address for a specific floor (50
6) If it is the own address or the information common to all floors, the subsequent processing is performed; if not the own address or the information common to all floors, the process returns to step (501) (507).

Next, when a plurality of hall devices 6-1 to 6-n are connected to the hall communication terminals 1-1 to 1-n, the hall communication terminals 1-1 to which the program is to be changed are to be changed.
The device names, device numbers, and device addresses of the landing devices 6-1 to 6-n connected to 1-n are received (50).
8) Then, a change program or change data is performed (510). Next, the transmitted information is transmitted to the landing devices 6-1 to 6-1 connected to the landing communication terminals 1-1 to 1-n.
6-n (511).

Of these, the floor communication terminals 1-1 to 1-1
If there is only one hall device 6-1 to 6-n connected to -n, step (508) can be omitted.

Here, the description has been given in accordance with the ordinary communication flow, but transmission and reception of each signal can be performed as another task. That is, the landing communication terminals 1-1 to 1-n
Is the communication with the elevator control device 2 and the landing equipment 6-1.
6-n can be performed by another task, so that the landing devices 6-1 to 6-n and the landing communication terminal 1-1 can communicate with each other.
1 to 1-n and communication between the elevator control device 2 and the landing communication terminals 1-1 to 1-n can be performed simultaneously.

Further, the communication speed between the landing devices 6-1 to 6-n and the landing communication terminals 1-1 to 1-n and the communication speed between the elevator control device 2 and the input terminal 7 or the building network 8 or the like. If the communication speed is lower than the communication speed between the elevator control device 2 and the landing communication terminals 1-1 to 1-n, the input terminal 7 or the building network 8 or the like and the landing equipment 6-
It is possible to perform communication as if 1 to 6-n were directly connected by another transmission path.

FIG. 6 shows the present invention in which the elevator control device 2 and the landing equipment 6-1 to 6-n connected to the landing communication terminals 1-1 to 1-n, the input terminal 7 or the network 8 in the building are connected to the elevator. This is an example of a case where information not directly related to the control device 2 can be exchanged and a virtual transmission path is configured.

The communication unit 21 in the control unit of the elevator control unit 2 and the signal reconstruction unit 11 are provided to the landing terminals 1-1 to 1-n.
-1 to 11-n and 23 are connected, and the information divided when these are transmitted from the transmission path 3 is connected to the communication unit 21 in the control device of the transmission source or the landing terminals 1-1 to 1-n. The landing devices 6-1 to 6-n, the input terminal 7, the input terminal 7, and the building 6 are connected to the building devices 6-1 to 6-n, the input terminal 7, and the building, respectively. It communicates with the internal network 8 or the like.

The transmission contents at this time are configured as shown in FIG. 2 (e) as an example, and the operations of the communication unit 21 in the control device and the landing terminals 1-1 to 1-n are performed according to the landing terminals 1-1 to 1-n. 1-n to the control device communication unit 21; reconstructing the signal;
6-n, the input terminal 7, and the step of transmitting to the building network 8, etc., are the same as FIGS.

According to the present embodiment, another virtual transmission path is constructed while communicating the control information of the elevator using the transmission path 3 used for transmitting the control information of the elevator, and other general information is transmitted. Transfer can be realized.

[0043]

According to the present invention, it is possible to change the program and data of the equipment connected to each floor from the elevator control device. In addition, by using a part of the transmission capacity of the transmission system used for transmitting the elevator control information, a special transmission is performed between the input device connected to the elevator control device or the device connected to the network and the landing terminal. This can be realized without performing any special device or operation on devices, input devices, networks, and the like connected to the landing terminals.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of the present invention.

FIG. 2 is a diagram showing an example of transmission data.

FIG. 3 is a schematic flowchart of the present invention.

FIG. 4 is a schematic flowchart of a communication unit in the control device.

FIG. 5 is a schematic flowchart of a landing communication terminal.

FIG. 6 is a diagram showing a configuration of a virtual transmission path.

[Explanation of symbols]

1-1 to 1-n: landing communication terminal, 2: elevator control device, 3: transmission line, 4-1 to 4-n: hall buttons, 5
-11 to 5-n indicator, 6-1 to 6-n landing equipment, 7 input terminal, 8 network in building, etc. 11
-1 to 11-n: signal reconstructing unit in the landing terminal, 21: communication unit in the control device, 22: control unit control unit, 23: signal reconstructing unit in the control device.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kenji Yoneda 1070 Ma, Hitachinaka-shi, Ibaraki Pref. Hitachi, Ltd. Mito Plant

Claims (5)

[Claims] 1. A landing terminal or a car terminal installed on each floor and a communication means provided in an elevator control device.
And a transmission path connected to these, in an elevator signal transmission device for serially transmitting elevator control information, a mode for transmitting elevator control information, a mode for transmitting general information, and a connection to the hall or car terminal. An elevator signal transmission device having a mode for changing a program of a landing device and a data used by the landing device. 2. A landing terminal or a car terminal installed on each floor and communication means provided on the elevator control device.
And a transmission line connected to these, and an elevator signal transmission device for serially transmitting elevator control information, wherein an input device connected to the elevator control device or information transmitted from external communication means is directly used as a landing terminal. An elevator signal transmission device provided with a mode for sending to equipment connected to the elevator. 3. An input device connected to the elevator control device or information transmitted from an external communication means, to which identification information indicating the information is added, and a landing terminal judges the identification information. 3. The elevator signal transmission device according to claim 1, wherein the signal is transmitted to a device connected to the hall terminal. 4. A landing terminal or a car terminal installed on each floor and communication means provided on the elevator control device,
And a transmission path connected to these, in an elevator signal transmission device that serially transmits elevator control information, the information of equipment that is connected to the landing terminal and the elevator control device and that can communicate with external equipment, Using a transmission path, similar to the communication data input from the equipment connected to the landing terminal, the same type of data was transmitted to the equipment connected to the elevator control device, and connected to the elevator control information. An elevator signal transmission device for transmitting the same type of data as the communication data input from the device to the device connected to the hall terminal. 5. A means for reconstructing information transmitted on the transmission line into data of the same type as information inputted to the equipment connected to the hall terminal or the control device of the elevator. 5. The elevator signal transmission device according to claim 4.