JP3117845B2 - Elevator information display system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator information display system that displays character information and graphic information on a display device installed in an elevator car and / or an elevator hall and provides various information to an elevator user. .

[0002]

2. Description of the Related Art In general, elevators are installed not only in middle-to-high-rise buildings but also in small buildings to private houses as vertical transportation means in buildings, and the number of installed elevators is increasing dramatically. In terms of electric circuit technology, a plurality of microcomputers are incorporated in most elevators due to the advancement of semiconductor technology, enabling complicated control operations and miniaturizing control circuit components. ing.

On the other hand, an elevator is a vehicle commonly used by building users as a central entity of a building, and the value of providing information in an elevator car or an elevator hall is increasing year by year.

[0004] Under such circumstances, an elevator information display system is being adopted in which a display device is installed in an elevator car and / or an elevator hall to provide information to a user of the elevator using characters or graphics. Effective use of space in elevator cars and elevator halls that is not directly related to the operation itself is possible.

[0005] By the way, these characters and graphic information generally set on an information input device installed in a building management room are often transmitted to a display device for display. What is used as an information input device is a general-purpose device such as a personal computer, which inputs kanji-kana mixed sentences by the kana-kanji conversion function, stores this input information in the hard disk device, and installs it in the elevator machine room by data transmission. In general, the information is transmitted to the information control device, and further transmitted from the information control device to a display device of an elevator car and / or an elevator hall for display.

A conventional configuration of such an elevator information display system is as shown in FIG. The conventional elevator information display system shown in FIG. 5 has a configuration in which there are two elevator banks in a building, and a display device is installed in an elevator car and a hall.

[0007] The building management room is installed on the first floor or the ground floor, and many disaster prevention facilities of the building are installed. In addition, an elevator monitoring device for monitoring the operation of the elevator is also installed here, and the management is usually performed by a manager 24 hours a day. Therefore, the information input device 1 of the elevator is usually also installed in this building management room,
It is configured to be operated by the administrator when necessary.
As the information input device 1, a small personal computer such as a laptop computer is generally used.
A storage medium in which the hard disk device 2 is built is used as a storage medium. This is to save messages and other information once entered so that they can be reused. As this input message data, for example, various information is used according to the purpose of the building to be installed, such as greetings such as "Good morning", calendar information for the month and date, notes, meeting schedules, entertainment information, and the like. You.

[0008] The information input device 1 also has a transmission device 3 attached thereto, and an information control device 4A, 4
Input information is transmitted to 4B via cables 5A and 5B, respectively. EIA standard RS422 or RS485 is used for this data transmission, and cable 5
For A and 5B, a shielded twisted pair wire is often used, and high-speed serial transmission of about 1 MB / sec is performed.

Each of the information control devices 4A and 4B has a function of managing a display device installed in an elevator assigned to the information control device. As a display device managed by the information control device 4A, an electroluminescence (abbreviated as EL) display device 6A, which is installed in an elevator car,
An LED display 6B is installed in the elevator hall, and these are connected by a twisted pair cable 7A. EL display device 6A
Displays a character of 17 characters × 3 lines by EL,
The LED display device 6B displays three colors of light and displays
The display of 0 characters × 1 line is performed by scroll display. On the other hand, as display devices managed by the information control device 4B, color liquid crystal display devices 6C and 6D are installed in an elevator car and an elevator hall, respectively.
C and 6D and the information control device 4B are similarly connected by a twisted pair cable 7B to display information such as graphic display or color TV image mixed with character information.

The internal structure of the information input device 1 will be described in detail. As shown in FIG.
It has a U8 and executes a program registered in the RAM9. The program executed by the CPU 8 has a configuration in which the program stored in the hard disk device 2 is developed in the RAM 9 by executing the IPL-ROM 10. A screen displaying the operation status of the information input device 1 is processed by the VRAM 11, necessary data is input by the keyboard 12, and data is transmitted by the transmission device 3. Note that VRA
M11, keyboard 12, and the like are components of a general personal computer.

[0011]

In such a conventional elevator information display system, if the information input by the information input device is transmitted to the information control device installed in the elevator machine room of the building, the subsequent operation is performed. In addition, information transmission and display management are performed between the information control device and the display device. Therefore, the information input device does not need to be in the mode for inputting the display information after transmitting the input information for display, and it is possible to turn off the power and execute other software.

However, the state of the information control device installed in the elevator machine room is not always in a state where the information input device can normally receive the data when the information input device is transmitting data. Data cannot be received. Therefore, if the power of the information input device is turned off in such a state, the display information input to the information input device is not transferred to the information control device side, and thus the display device may not be displayed. There was a problem that sometimes.

When the amount of data such as graphic data becomes large, the time required for transmission becomes long, so that the administrator is kept waiting for a long time. There was also a problem that it took a long time to spend.

The present invention has been made in view of such a conventional problem, and enables transmission of display information even when the power of the information input device is turned off, so that the display information can be reliably transmitted to the information control device side. It is an object of the present invention to provide an elevator information display system capable of transmitting information.

Another object of the present invention is to provide an elevator information display system capable of transmitting display information data without burdening an administrator.

[0016]

According to the present invention, a display device installed in an elevator car and / or an elevator hall, an information input device installed in a management room of a building, and input information of the information input device are provided. In the elevator information display system comprising an information control device for receiving and storing the transmission of the display information and transmitting the display information to the display device as necessary, the information input device, input means for inputting the display information, An arithmetic processing unit that performs main control of the information input device; a storage device that stores a program executed by the information input device and various necessary data; and an electrical device that stores display information input by the input unit together with the storage device. The display information stored in the erasable ROM and the electrically erasable ROM is detected by detecting the idle time of the arithmetic processing unit, and the information control unit reads the display information. Those comprising a ROM controller for feeding.

According to a second aspect of the present invention, in the elevator information display system according to the first aspect, the ROM control device has a function of transmitting data using a time interruption method when the arithmetic processing device operates.

According to a third aspect of the present invention, in the elevator information display system of the first aspect, the input means comprises a keyboard, and the ROM control device has a function of transmitting data using a keyboard waiting interrupt system. .

According to a fourth aspect of the present invention, there is provided a display device installed in an elevator car and / or an elevator hall, an information input device installed in a management room of a building, and a storage device which receives and transmits input information from the information input device. And an information control device for transmitting and displaying the display information on the display device as necessary, wherein the information input device comprises: an input means for inputting the display information; An arithmetic processing unit for controlling, a storage device for storing a program executed by the information input device and various necessary data, and a transmission device for transmitting display information input by the input means to the information control device. The transmission device includes an electrically erasable ROM that stores the display information input by the input means together with the storage device, and a storage device that stores the display information in the electrically erasable ROM. It reads the display information and regardless of the operating status of the processing unit, and transmits to the information control unit R
An OM control device is provided.

According to a fifth aspect of the present invention, in the elevator information display system according to the first aspect, the electrically erasable ROM of the information input device and the ROM control device are operated by a separate power supply from the arithmetic processing device. It was done.

According to a sixth aspect of the present invention, an electrically erasable RO is provided.
Instead of M, a RAM capable of battery backup is used.

[0022]

In the elevator information display system according to the first aspect of the invention, display information to be displayed on the display device is input by the information input device and stored in the electrically erasable ROM.
Then, the display information stored in the electrically erasable ROM is read by the ROM control device and transmitted to the information control device during the idle time of the arithmetic processing device.

In this way, even when the administrator uses the information input device for another purpose, the display information is automatically transmitted to the information control device when an idle time occurs in the arithmetic processing device. The burden on the user for transmitting display information.

According to a second aspect of the present invention, in the elevator information display system according to the first aspect, the ROM control device uses a time interruption method for transmission processing, so that the administrator can use the information input device for other purposes. During this time, the display information is transmitted to the information control device in small increments at regular intervals, thereby reducing the burden on the administrator for transmitting the display information.

According to a third aspect of the present invention, in the elevator information display system of the first aspect, the keyboard control interrupt system is used for detecting the idle time of the arithmetic processing unit performed by the ROM control device, so that the administrator can use the system. Even when the information input device is used for other purposes, the display information is transmitted to the information control device using the non-operation time without input from the keyboard, so that the burden on the administrator for transmitting the display information is reduced. To reduce

According to the fourth aspect of the present invention, display information to be displayed on the display device is input by the information input device and stored in the electrically erasable ROM. Then, the display information stored in the electrically erasable ROM is read by the ROM control device and transmitted to the information control device regardless of the operation state of the arithmetic processing device.

In this way, the display information is transmitted to the information control device even while the administrator uses the information input device for another purpose, so that the burden on the administrator for transmitting the display information is reduced.

According to a fifth aspect of the present invention, in the elevator information display system of the fourth aspect, the electrically erasable ROM of the information input device and the ROM control device are operated by a separate power supply from the arithmetic processing device. The display information stored in the electrically erasable ROM is read out by the ROM control device even when the power of the information input device is turned off, and transmitted to the information control device by the transmission control device regardless of the operation state of the arithmetic processing device. In this way, the reliability of the transmission of the display information is improved, and the burden on the administrator for transmitting the display information is reduced.

According to a sixth aspect of the present invention, in the elevator information display system of the fifth aspect, the electrically erasable RO is provided.
By using a battery-backable RAM in place of M, the display information stored in the RAM backed up by another system power supply can be processed by the ROM control device even if the power of the information input device is turned off. The reliability of the transmission of display information is improved by reading and transmitting the information to the information control device irrespective of the operation state of the device, and the burden on the administrator for transmitting the display information is reduced.

[0030]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a detailed internal configuration of an information input device 1 used in a common embodiment of the first and second aspects of the present invention. The elevator information display system of this embodiment has the general configuration shown in FIG. 5, but is particularly characterized by the internal configuration of the information input device 1.

As shown in FIG. 1, the information input device 1 has a CPU (arithmetic processing unit) 8 for controlling the main control, and executes a program registered in a RAM 9. The program executed by the CPU 8 is a program stored in the hard disk device (storage device) 2
The configuration is such that the data is developed in the RAM 9 by executing the L-ROM 10. A screen for displaying the operation status of the information input device 1 is processed by the VRAM 11, and a keyboard (input means) 1
2, necessary data is input, and data is transmitted by the transmission device 3A. Further, as a feature of this embodiment, a flash memory (FE-ROM) or an EE-R
An electrically erasable ROM 13 called an OM and a ROM control device 14 for controlling the electrically erasable ROM 13 are provided.

When the information input device 1 has not activated the original software of the information display system, the ROM control device 14 is capable of electrically erasing the ROM 13 and the transmission device 3A.
Conventionally, the contents of the electrically erasable ROM 13 are transmitted to the information control devices 4A and 4B even in a situation where the CPU 8 is conventionally executing another application program and cannot start the transmission device. Control can be performed, and the transmission device 3A is activated by a time interruption.

Next, the operation of the elevator information display system having the above configuration will be described. First, the information input device 1
The input processing of the display information described in the above will be described. By inputting necessary messages and graphics using the keyboard 12, this input information is stored and stored in the hard disk drive 2 and also stored in the hard disk drive 2. Since data cannot simply be read out, the data is also stored and stored in the electrically erasable ROM 13.

Thus, input of necessary display information is completed,
When stored in the electrically erasable ROM 13, next, R
Transmission control is executed by the OM control device 14. FIG. 2 shows a flowchart of the operation of the ROM control device 14. That is, when the input of the display information is completed in step S1 (at the time of this editing, the CPU 8 stores the data in the hard disk device 2 and the electrically erasable RO).
M13 is also saved, and the transmission device 3A is also
U8), and in the next step S2, RO
The M control device 14 is activated and the electrically erasable ROM 1
3 is transmitted to the information control devices 4A and 4B shown in FIG.

When the CPU 8 activates another application program during the transmission, the control of the ROM control device 14 is stopped in step S3 during the activation of the program, and the transmission process is also interrupted.

However, while the other application program is running, the display information is transmitted at regular time intervals or at a fixed data amount by interrupting the time interval at a predetermined time interval (step S4). (Step S5). Hereinafter, during execution of another application program, the processing of steps S3 and S5 is repeated until transmission of all data of display information is completed.

In this case, interrupt processing for data transmission of display information by the ROM control device 14 is generally 55
msec, and the input operation from the keyboard is interrupted even during the activation of another application program. The effect is not great.

The display information transmitted from the information input device 1 to the information control devices 4A and 4B is transmitted from the information control devices 4A and 4B to the display devices 6A to 6D of the elevator car and the elevator hall, respectively, as shown in FIG. , Will be displayed.

In the case of this embodiment, the display information input by the information input device 1 is stored in a fast-reading electrically erasable ROM 13 and the ROM control device 14
During the activation of the CPU 8, the CPU 8 interrupts the data at regular intervals and transmits the information to the information control devices 4A and 4B.
Even if it is not activated, the transmission is automatically performed only by inputting the display information, and the labor required for the transmission processing of the display information by the administrator can be reduced. Become like

Next, a common embodiment of the first and third aspects of the present invention will be described. The elevator information display system of this embodiment has the same system configuration as the first embodiment, the overall system configuration is the same as that shown in FIG. 5, and the internal configuration of the information input device 1 is shown in FIG. Same as shown.

A feature of the second embodiment is that a function for interrupting the transmission process of the ROM control device 14 is not a fixed time interrupt as in the first embodiment but a keyboard wait interrupt. It is in. That is, CPU
8 is running another application program, usually the administrator does not operate the keyboard,
Since there is a long waiting time for thinking or doing other things, that is, for a long keyboard waiting time, if there is no keyboard operation for a certain period of time, an interrupt for a certain period of time, for example, 1 second, can be electrically erased. The process of transmitting the display information of the ROM 13 to the information control devices 4A and 4B is repeated until the transmission of all data of the display information is completed.

Also in this case, after the administrator performs the input operation of the display information, the information input device 1 automatically automatically operates the display information without taking any special time. Since the transmission process is performed, the labor burden required for the transmission operation of the administrator can be reduced.

Next, an embodiment of the present invention will be described. FIG. 3 shows the internal configuration of an information input device 1 used in one embodiment of the fourth aspect of the present invention, and is different from the information input device 1 of the first embodiment shown in FIG. Is provided independently of the CPU 8. That is, the electrically erasable ROM 13 in which the display information is stored and the ROM control device 14 are placed under the control of the transmission device 3B, and constitute the transmission device 3B together with the transmission processing unit 3C that performs the original transmission processing. ing.

In this embodiment, when display information is input from the keyboard 12, the input information is
Is stored in the hard disk device 2 and in the electrically erasable ROM 13 by the transmission device 3B. The display information stored in the ROM 13 is output by the ROM control device 14 independently of the operation of the CPU 8 (that is, without interrupting the operation of the CPU).
The information control device 4A shown in FIG.
4B.

Therefore, also in this embodiment, after inputting display information to the information input device 1, the administrator executes another application program,
Alternatively, the display information can be automatically transmitted to the information control devices 4A and 4B even if the power supply is left without being turned off, thereby reducing the labor required for the manager for information transmission. be able to. In addition, in the case of this embodiment, since the transmission of the display information can be executed irrespective of the operation of the CPU 8, the time required for the transmission processing can be shortened, and the CPU 8 executes another application program. When it is, there is nothing to hinder its execution.

Next, an embodiment of the present invention will be described with reference to FIG. FIG. 4 shows the internal configuration of the input information device 1 used in one embodiment of the fifth aspect of the present invention. In the information input device 1 of the third embodiment shown in FIG. The feature is that a power supply device 15 for moving the power supply is newly provided. That is, the electrically erasable ROM 13 in which the display information is stored and the ROM control device 14 are placed under the control of the transmission device 3B, and constitute the transmission device 3B together with the transmission processing unit 3C that performs the original transmission processing. The power supply device 15 can supply power to the transmission device 3B regardless of the power supply of the information input device 1 itself. As the power supply device 15, since the transmission device 3B generally has a voltage of about 5 V and 100 mA,
Since a small-scale power supply is sufficient and the driving time is about 8 hours, a small secondary battery is optimal. For example, a Ni-Cd battery or a lithium secondary battery equipped with a trickle charging circuit is used. Are preferred. However,
An AC power supply such as a UPS may be used.

Therefore, in the case of this embodiment, the display information is input by the keyboard 12 of the information input device 1, the display information is stored in the hard disk device 2, and the display information is stored in the electrically erasable ROM 13. Is
Even if the power of the information input device 1 is turned off, the transmission device 3B is utilized by the power supply device 15, and the electrically erasable ROM is used.
13 can be transmitted to the information control devices 4A and 4B shown in FIG. 5 via the transmission processing unit 3C.

In the case of this embodiment, the secondary battery of the power supply 15 may be discharged after a certain period of time due to a power failure or the like. In order to perform the transmission processing upon receiving the supply, the transmission processing unit 3C can be driven by receiving contact signals from the information control devices 4A and 4B shown in FIG. 5 to start transmission.

In the fourth embodiment, the electrically erasable ROM 13 is used for storing the display information. However, since there is a backup by the power supply device 15, in this case,
Unlike the first to third embodiments, a battery-backable storage device such as an SRAM can be used.

[0050]

As described above, according to the first aspect of the present invention,
With the information input device, display information to be displayed on the display device is input, the display information is stored in an electrically erasable ROM, and the display information stored in the electrically erasable ROM is read by a ROM control device. Since the display information is transmitted to the information control device during the idle time of the arithmetic processing device, the idle time of the arithmetic processing device can be maintained even while the administrator uses the information input device for another purpose. , The display information can be automatically transmitted to the information control device, and there is no need for the administrator to consciously perform the transmission process, thereby reducing the burden on the administrator for transmitting the display information. be able to.

According to a second aspect of the present invention, in the elevator information display system according to the first aspect, the ROM control unit interrupts time during operation of the arithmetic processing unit and stores the display in the electrically erasable ROM. Since information is transmitted, the display information can be transmitted to the information control device little by little at regular intervals even when the information input device is used for other purposes by the administrator. Thus, it is not necessary to perform the transmission process, and it is possible to reduce the load required for the administrator for transmitting the display information.

According to the third aspect of the present invention, in the elevator information display system according to the first aspect, the ROM control device transmits the display information using the keyboard waiting interrupt system of the arithmetic processing unit. The display information can be automatically transmitted to the information control device using the idle time in which the administrator does not input anything from the keyboard while the information input device is used for another purpose, The burden required on the administrator for transmission can be reduced.

According to the fourth aspect of the present invention, display information to be displayed on the display device is input by the information input device, and the display information is stored in the electrically erasable ROM. The stored input information is read out by the ROM control device and transmitted to the information control device irrespective of the operation state of the processing device, so that the administrator can use the information processing device of the information input device to perform another work. The display information can be transmitted to the information control device even during the operation, and the burden required for the administrator for transmitting the display information can be reduced.

According to a fifth aspect of the present invention, in the elevator information display system according to the fourth aspect, the electrically erasable ROM of the information input device and the ROM control device are operated by a separate power supply from the arithmetic processing device. Therefore, even if the power of the information input device is turned off, the input information stored in the electrically erasable ROM is read out by the ROM storage control device regardless of the operation state of the arithmetic processing device, and is read to the information control device. It is possible to transmit the display information to the information control device even when the power of the information input device is unexpectedly turned off, thereby improving the reliability of the transmission of the display information. Therefore, the burden required for the administrator can be reduced.

According to the invention of claim 6, in the elevator information display system of claim 5, a battery backup RAM is used instead of the electrically erasable ROM, so that the power supply of the information input device is reduced. Even if it is dropped, the display information stored in the RAM backed up by another system power supply can be read out by the storage control device and transmitted to the information control device regardless of the operation state of the arithmetic processing device. The display information can be transmitted to the information control device even if the power supply of the
The reliability of transmission of display information can be improved, and the burden required for an administrator for transmission of display information can be reduced.

[Brief description of the drawings]

FIG. 1 is a functional block diagram of an information input device according to an embodiment common to the first and second aspects of the present invention.

FIG. 2 is a flowchart showing information input and transmission operations of the information input device of the embodiment.

FIG. 3 is a functional block diagram of an information input device according to an embodiment of the present invention;

FIG. 4 is a functional block diagram of an information input device according to an embodiment of the present invention;

FIG. 5 is a system configuration diagram of a general elevator information display system.

FIG. 6 is a functional block diagram of a conventional information input device.

[Explanation of symbols]

 Reference Signs List 1 information input device 2 hard disk device 3A, 3B transmission device 3C transmission processing unit 4A, 4B information control device 5A, 5B cable 6A to 6D display device 7A, 7B cable 8 CPU 9 RAM 10 IPL-ROM 11 VRAM 12 keyboard 13 electrical Erasable ROM 14 ROM controller 15 Power supply

Claims (6)

(57) [Claims] 1. A display device installed in an elevator car and / or an elevator hall, an information input device installed in a management room of a building, and receiving and storing input information of the information input device, and storing the information. An information control device for transmitting and displaying display information on the display device in response thereto, wherein the information input device comprises: an input unit for inputting display information; and main control for the information input device. An arithmetic processing device, a storage device for storing a program executed by the information input device and various necessary data, an electrically erasable ROM for storing display information input by the input means together with the storage device,
An information display system for an elevator, comprising: a ROM control device for detecting the idle time of the arithmetic processing device, reading display information stored in the electrically erasable ROM, and transmitting the read information to the information control device. 2. The information display system for an elevator according to claim 1, wherein said ROM control device has a function of transmitting data using a time interruption method when said arithmetic processing device operates. 3. The elevator information display system according to claim 1, wherein said input means comprises a keyboard, and said ROM control device has a function of transmitting data using a keyboard waiting interrupt method. 4. A display device installed in an elevator car and / or an elevator hall, an information input device installed in a management room of a building, and receiving and storing input information of the information input device, and storing the information. In an elevator information display system, comprising: an information control device that transmits and displays display information to the display device in response to the information, the information input device includes input means for inputting display information,
An arithmetic processing unit that controls the main control of the information input device, a storage device that stores a program executed by the information input device and various necessary data, and transmits display information input by the input unit to the information control device. An electrically erasable RO that stores display information input by the input unit together with the storage device.
M and a ROM control device for reading display information stored in the electrically erasable ROM irrespective of the operation state of the arithmetic processing device and transmitting the read information to the information control device. . 5. An electrically erasable R of the information input device.
The elevator information display system according to claim 4, wherein the OM and the ROM control device are operated by a power supply of a different system from the arithmetic processing device of the information input device. 6. In place of the electrically erasable ROM,
6. The elevator information display system according to claim 5, wherein the battery backup RAM is used.