JPH09183577A - Signal transmitting device for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make one process impossible to be executed during processing of the other even when interruption is generated, so as not to cause deterioration of transmitting capacity, by providing an interruption controller regulating the preferential order of interruption and a signal transmission processing changeover means, when a plurality of interruptions compete with each other in a transmission processing system. SOLUTION: An interruption demand signal T1HALL from a timer is input to an interruption controller 36, and a signal S2 showing generation of interruption is output from the interruption controller 36. Meanwhile, a synchronizing signal S1' from an elevator control device 2 is also output to the timer 34, and the timer is started based on the synchronizing signal S1'. An interruption demand signal T2CAR from the timer is input to the interruption controller 36, and a signal S2 showing generation of interruption is output from the interruption controller 36. Hereby, a signal transmitting device for elvator of simple construction and low price can be provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a signal transmission device for an elevator constructed by using a microcomputer or the like.

[0002]

2. Description of the Related Art The structure of a conventional example will be described with reference to FIG. FIG. 10 is a block diagram showing a conventional elevator signal transmission device disclosed in, for example, Japanese Unexamined Patent Publication No. 5-162935.

In FIG. 10, a control panel 1 is provided with an elevator control device 2, a master station 95 of a landing which is connected to the elevator control device 2 through a two-port RAM 93 and is composed of a microcomputer, and the elevator control device 2 is also provided. Is provided with a master station 96 of a car which is connected through a 2-port RAM 94 and is composed of a microcomputer or the like. The master station 95 of the hall and the master station 96 of the car have a built-in serial transmission interface (UART).

Further, the slave station 4 at the landing on each floor composed of a microcomputer or the like is provided with a transmission line 97 and a reception line 9.
8 is connected to the master station 95 of the hall. A hall lantern 910, a hall chime 911, a call button lamp 4b, a call button 4a, and the like are connected to the slave station 4 at this hall.

Further, the child station 6 of the car, which is provided in the car 916 and comprises a microcomputer or the like, is connected to the parent station 96 of the car through a transmission line 914 and a reception line 915. An indicator 918, a car operation panel 919, etc. are connected to the child station 6 of this car.

Next, the child stations 4 on the floors of each floor are shown in FIG.
It is configured as follows. FIG. 11 is a block diagram showing a slave station 4 at a landing of a conventional elevator signal transmission device.

In the figure, 1001 is a microcomputer for transmission processing, 1002 is a read-on memory (hereinafter referred to as ROM) in which a predetermined program or the like is stored, and 1003 is a random access memory (in which data is stored). Hereinafter, referred to as RAM), 1004 is an input port, 1005 is an output port, 1006 is a serial interface for transmission / reception, and 1007 is a data bus. The serial interface 1006 is the driver 100
8 and the receiver 1009, and is connected to the transmission line 9.

The child station 6 of the car is constructed as shown in FIG. FIG. 12 is a block diagram showing a child station 6 of a car of a conventional elevator signal transmission device.

In the figure, 1101 is a microcomputer for transmission processing, 1102 is a ROM storing predetermined programs and the like, 1103 is a RAM storing data and the like, 1104 is an input port, 1105 is an output port, 1106 is a serial interface for transmission / reception, and 1107 is a data bus. The serial interface 1106 includes a driver 1108 and a receiver 11.
It is connected to the transmission line 11 via 09.

Next, the operation of the above-mentioned conventional example will be described with reference to FIG. FIG. 13 is a diagram showing transmission signals of a conventional elevator hall signal transmission device.

In FIG. 13, the upper part shows the transmission from the master station to the slave station, and the lower part shows the transmission from the slave station to the master station. In one transmission cycle, there are no transmission signals for synchronization T1, T2,
T3 and T4 are provided and consist of 1 byte 16
16 pieces of transmission data S1 to S16 are transmitted from the master station and are also composed of 1 byte in response to them.
The individual reply data R1 to R16 are returned from the slave station. The time between transmission data is 2.5 msec, and the data transmission time of one byte is 2.2 msec.

On the other hand, the transmission signals of the conventional elevator car-series signal transmission device are basically constructed in the same manner.

[0013]

The conventional signal transmission device for an elevator is constructed as described above, and separate master stations are provided for the hall series and the car series, respectively. Since the transmission is performed by the transmission method as shown in Fig. 3, not only the mounting space on the printed circuit board for two master stations but also the master station and the 2P-RAM are required.
Therefore, there is a problem that the cost is increased because two semiconductor elements including the above are required.

The present invention has been made to solve the above-mentioned problems, and improves the mounting efficiency on a printed circuit board by reducing the number of electronic parts, and also provides a low-cost elevator signal transmission device with a simple structure. The purpose is to get.

[0015]

In a signal transmission device for an elevator according to the present invention, serial transmission control of an elevator is divided into a transmission processing system for a control panel and an input / output terminal device for hall equipment and car equipment on each floor. In an elevator signal transmission device to perform, the elevator transmission processing system, when a plurality of interrupts for processing and executing the signal transmission system of the input / output terminal device of the floor equipment and car equipment of each floor of different series compete with each other. An interrupt controller for adjusting the priority order of interrupts is provided, and a processing switching means selection signal is input from the control means of the signal transmission system of the input / output terminal device of the floor controller equipment and car equipment of each floor of different floors of the series and the interrupt controller. And the signal transmission processing is performed by the signal transmission system of the input / output terminal device of the hall equipment and car equipment of each floor of different series. Those having a processing switching means for switching to one of the control means.

Further, in a signal transmission device for an elevator, in which serial transmission control of an elevator is divided into a transmission processing system of a control panel and a group management control device, the transmission processing system is a transmission for synchronization from the group management control device. It is provided with a synchronization detecting means for detecting a period in which there is no signal.

Further, one of a plurality of interrupt processings for processing and executing the signal transmission system of the hall equipment and the car equipment input / output terminal equipment of different floors is used as a signal with the car equipment input / output terminal equipment. In the system assigned to the transmission system, the start command of the interrupt processing is input from the elevator control device.

Further, one of a plurality of interrupt processes for processing and executing the signal transmission system of the input / output terminal devices of the floor equipment and the car equipment of each floor having different series is used as a signal transmission system with the hall equipment of each floor. In this case, the interrupt processing start command is input from the synchronization detecting means.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION

First Embodiment of the Invention Embodiments of the present invention will be described below with reference to the drawings. The same or corresponding parts as those of the conventional device are designated by the same or corresponding reference numerals in the drawings.

In FIG. 1, a transmission processing system 3 according to an embodiment of the present invention is an SOC semiconductor element,
Its function is to incorporate a plurality of UARTs (details will be described later) (six in the present embodiment). The UART 3a is the group management control device 1000, the UART 3b is the remote station of the hall (child station of the hall) 4, and the UART 3c is the information. Remote station (information slave station) 5, UART 3d is a car remote station (car slave station) 6, UART 3e is a MOP board 7, UAR
Each T3f is connected to the CRT monitor board 8.
Here, the hardware configurations of the remote station 4 at the hall and the remote station 6 at the car are the same as those in FIGS. 10, 11, and 12 of the conventional example, and the transmission signals of the hall-series signal transmission device are the same as those in FIG. 4a is a hall call button connected to the hall remote station 4 for inputting a hall call signal, and 4b is connected to the hall remote station 4 and is illuminated by a hall call registration completion signal output from the remote station. It is a registration light. Reference numeral 5a is an elevator message which is connected to the information remote station 5 and controls the display of various information such as hall information, graphic hall lantern, destination floor display, etc. output from the information remote station. MOP
The panel 7 has a monitor function for improving the service to elevator users, rationalizing maintenance work, and ensuring the safety of maintenance personnel. The CRT monitoring panel 8 monitors the operating state of the elevator in the manager's room. Although it is a thing, I omit the details. 9 to 14 are bidirectional serial transmission lines. Also,
The control panel 1 is composed of an elevator control device 2 and a transmission processing system 3.

FIG. 2 is a hardware configuration diagram showing the transmission processing system 3 in the present embodiment. In the figure, 30 is a CPU core for transmission processing, 31 is a ROM in which a predetermined program and the like are stored, 32 is a RAM in which data and the like are stored, and 33 is an elevator control device 2.
A 2-port RAM for data communication with 34, a timer for controlling processing / execution for signal transmission with each series (in this embodiment, 2 series of hall and car), 36 from timer 34 An interrupt controller that determines the priority order of the interrupt requests, 30a to 30f are serial interfaces for transmission / reception, and 35 is a data bus inside the transmission processing system. Serial interface 30a to 30f
Are drivers 31a-31f and receivers 32a-32
The transmission lines 9 to 14 are respectively connected via f.

FIG. 3 is a functional block diagram of the transmission processing system 3 of the elevator signal transmission apparatus according to the embodiment of the present invention.

In the figure, reference numeral 300 denotes a synchronization detecting means, which outputs a detection completion signal S1 from the group supervisory controller 1000 during a period in which there is no transmission signal for synchronization to the timer 34 (details will be described later with reference to FIG. 5). ). Then, the timer 1 (described in detail later) is started based on the detection completion signal S1. Further, an interrupt request signal T1HAL from timer 1
L is input to the interrupt controller 36, and a signal S2 indicating that an interrupt has occurred is output from the interrupt controller 36. On the other hand, the synchronizing signal S1 ′ from the elevator control device 2 is also output to the timer 34, and the timer 2 (described later in detail) is started based on the synchronizing signal S1 ′. Then, the interrupt request signal T2CA from the timer 2
R is input to the interrupt controller 36 and a signal S2 indicating that an interrupt has occurred is output from the interrupt controller 36. The process switching unit 310 receives the output signal S2 of the interrupt controller 36, the output signal S3 of the hall system transmission control unit 320, and the output signal S4 of the car system transmission control unit 330 as inputs, and the process switching request signal S5 or S5.
6 is output to the hall system transmission control means 320 or the car system transmission control means 330.

Next, the hall system transmission control means 320 transmits the signal transmission to the remote station 4 in the hall, the remote station 5 in the information and the group management control device 1000 on the basis of the output signal S5 from the processing switching means 310 and the transmission means 340. And via the receiving means 350. Then, when the necessary signal transmission processing is completed, a completion signal S3 is output to the processing switching means 310.

Further, the car system transmission control means 330 sends and receives signals to and from the car remote station 6, the MOP board 7 and the CRT monitoring board 8 based on the output signal S6 of the process switching means 310.
Via. Then, when the necessary signal transmission processing is completed, the processing switching means 3 is used as an end signal S4 to that effect.
Output to 10

Here, a timer 1 and a timer 2 are stored in the timer 34 (not shown). The hall system transmission control means 320 is processed by the timer 1 and the car transmission control means 330 is processed by the timer 2.・ It shall be executed. The hall system transmission control means 320 includes a remote station 4 in the hall, a remote station 5 in the information,
It is assumed that the signal transmission with the group management control device 1000 is controlled, and the car system transmission control means 330 controls the signal transmission with the remote station 6, the MOP board 7, and the CRT monitoring board 8 of the car.

Next, the synchronization detecting means 300, the process switching means 310 of the signal transmission device for the elevator having the above-mentioned structure,
Hall system transmission control means 320, car system transmission control means 330
Each operation of will be described with reference to FIGS. It should be noted that the program based on the flowchart showing the operation by each means of the elevator signal transmission device of FIGS.
It is stored in the ROM 31 and is called and executed during execution of the elevator control main program.

FIG. 9 shows a transmission line 1 between the group management controller 1000 of FIG. 1 and the UART 3a in the transmission processing system 3.
4 is a diagram showing a transmission signal of a signal transmission device via No. 4. FIG.

In FIG. 9, the group management control unit 10 is shown at the top.
00 to the transmission processing system 3, and the lower part shows the timing of transmission from the transmission processing system 3 to the group management controller 1000. In one transmission cycle, periods t1, t2, t3 in which there is no transmission signal for synchronization are provided, and 77 pieces of transmission data s1 to s77 composed of 1 byte are transmitted from the group management control device 1000, and they are also transmitted. S out of
1, s5, s9, s13, s17, s21, s25, s
29, s33, s37, s41, s45, s49, s5
Eighteen pieces of reply data r1 to r18 similarly composed of 1 byte corresponding to 3, s57, s61, s65, and s69
Is returned from the transmission processing system 3. It should be noted that the data transmission time of the group supervisory control apparatus 1000 is 625 μsec, and the data transmission time for one byte is 573 μsec. On the other hand, 2.5 mse between the transmission data of the transmission processing system 3.
c The data transmission time for 1 byte is 2.2 msec.

FIG. 5 is an operational flowchart of the synchronization detecting means 300 for detecting the periods t1, t2, t3 in which there is no transmission signal for synchronization, and in step 501, the periods t1, t2, in which there is no transmission signal for synchronization. It is determined whether t3 is detected. In step 502, the group management control device 100
It is determined whether or not there is transmission data s1 to s77 from 0. Here, when there is no transmission data s1 to s77 from the group management control device 1000, it is regarded as one of the periods t1, t2, and t3 in which there is no transmission signal for synchronization, and the counter for synchronization detection is incremented. And step 5
In 04, it is determined whether or not the counter value for synchronization detection is a specified value (three in this embodiment), and if so, it is considered that the synchronization detection is completed in the next step 505, and the synchronization detection completion signal S1 is output in step 506. Output to the timer 34. If it is determined in step 502 that the transmission data s1 to s77 from the group management control device 1000 are present, step 5
In step 07, the counter for synchronization detection is cleared to 0, and in step 508 it is considered that synchronization detection has failed. Step 50
Even if the counter value for synchronization detection is smaller than the specified value (three in the present embodiment) in step 4, it is considered that the synchronization detection has failed in step 508.

FIG. 4 shows a car system interrupt request signal T2CA.
The interrupt processing timing when R and the landing system interrupt request signal T1HALL compete with each other, and (1) is the interrupt processing timing when a car system interrupt occurs and a landing system interrupt immediately follows. On the other hand, (2) is the interrupt processing timing when the hall system interrupt request signal T1HALL is generated and immediately thereafter the car system interrupt request signal T2CAR is generated. If the car system and the landing system are interrupted at the same time, they are processed at the timing shown in FIG. 4 (1).

Each operation of the process switching means 310, the hall system transmission control means 320, and the car system transmission control means 330 of the elevator signal transmission device in FIG. 4A will be described below. In FIG. 4 (1), a car system interrupt occurs at time t1 (interrupt request signal T2CAR),
Immediately after that, a hall interrupt occurs (interrupt request signal T1H
ALL) is shown. Here, the interrupt controller 36 receives the car-series interrupt request signal T from the timer 34.
2CAR is input and S2 is output to the processing switching means 310 as a switching request signal to the car transmission control means.

FIG. 6 is an operation flowchart of the process switching means 310. In step 601, it is judged whether or not there is a switching request signal S2 from the interrupt controller 36. In this case, the process proceeds to step 602, and it is determined whether the switching request signal is a car system or a hall system. In this case, since it is a car system, the car series processing flag CARFLAG is turned on in step 603 ((1) CARFLA in FIG. 4).
G). Then, in step 604, a car series transmission control means selection signal S6 is output to the car transmission control means 330.

FIG. 8 is an operation flowchart of the car system transmission control means, which is activated by the car series transmission control means selection signal S6 output from the process switching means 310. In step 801, the transmission process of the car to the remote station 6 is performed (the car transmission / reception process Tcar period in FIG. 4 (1)). Of course, during this processing period, the interrupt request signal T1HALL from the hall series remains held ((1) T1HALL in FIG. 4). Next, step 8
The interrupt is enabled at 02. Here, the interrupt request signal from the timer 34 is the interrupt request signal T1HAL from the hall sequence.
L is input to the interrupt controller 36, and S2 is output to the process switching unit 310 as a switching request signal to the hall system transmission control unit. Further, in the operation flowchart of the process switching means 310 of FIG. 6, the process proceeds to steps 601 and 602, and the process flag HALLFRAG of the hall series is turned on in step 609 (FIG. 4).
(1) HALLFLAG at time t4). Subsequently, in step 610, the hall system transmission control means selection signal S5 is output to the hall system transmission control means 320.

FIG. 7 is an operation flowchart of the hall system transmission control means, which is activated by the hall sequence transmission control means selection signal S5 output from the process switching means 310. In step 701, a transmission process of halls and information to the remote stations 4 and 5 is performed ((1) hall transmission / reception process Tha in FIG. 4).
ll period). In step 702, interruption is permitted, and in step 703, reception processing of halls and information from the remote stations 4 and 5 is performed ((1) hall transmission / reception processing tall period). Even if the interrupt is permitted in step 702, the interrupt controller 36 is not activated because the interrupt request signal T2CAR from the car series has already been accepted. Next, in step 704, the hall series processing flag HALLFLAG is turned off (FIG. 4 (1) time t).
2 HALLFLAG). Then, in step 705, it is determined whether the car series processing flag CARFLAG is on. Since it is turned on here, step 7
In step 07, the process switching means selection signal S3 is output. When the processing switching means selection signal S3 is output, the processing switching means 310 is activated again, and processing is performed according to the operation flowchart shown in FIG. Step 60
At 1, it is determined whether or not there is a switching request signal S2 from the interrupt controller 36. In this case, since there is no switching request signal S2, the process proceeds to step 606. And
Since the processing switching means selection signal S3 is input from the hall system transmission control means 320, steps 606, 607, and 6 are performed.
04, the car series transmission control means selection signal S6 is output to the car transmission control means 330. Here, the car system transmission control means 330 is restarted, but is executed from the step 803 following the step 802 in which the processing was interrupted (time t2 in FIG. 4 (1)). In step 803, it is determined whether the hall series processing flag HALLFLAG is on. In this case, since it is off, transmission processing to the MOP board 7 in the next step 804, transmission processing to the CRT monitoring board 8 in step 805, step 806
Reception process of the car from the remote station 6, reception process from the MOP board 7 in step 807, step 80
8, the receiving process from the CRT monitoring board 8 is performed, and step 8
At 09, the car series processing flag CARFLAG is turned off (time t3 in FIG. 4 (1)). In step 810, other processing required for signal transmission of the elevator is performed, and a series of processing ends.

Next, operations of the switching means 310, the hall system transmission control means 320, and the car system transmission control means 330 of the elevator signal transmission device in FIG. 4B will be described. In FIG. 4 (2), a hall system interrupt occurs at time t1 (interrupt request signal T1HAL
L), and immediately after that, a car system interrupt is generated (interrupt request signal T2CAR). Here, the interrupt controller 36 uses the interrupt request signal T1 from the timer 34.
HALL is input, and S2 is output to the process switching unit 310 as a switching request signal to the hall system transmission control unit.

FIG. 6 is an operation flowchart of the processing switching means 310. In step 601, it is judged whether or not there is a switching request signal S2 from the interrupt controller 36. Since it is a hall system here, step 6
At 09, the hall series processing flag HALLFLAG is turned on ((2) HALLFLAG in FIG. 4). Subsequently, in step 610, the hall-series transmission control means selection signal S5 is output to the hall-based transmission control means 320.

FIG. 7 is an operation flowchart of the hall system transmission control means, which is activated by the hall sequence transmission control means selection signal S5 output from the process switching means 310. In step 701, the hall and information remote stations 4 and 5 are transmitted (see FIG. 4 (2) hall transmission / reception processing Tha).
ll period). Of course, the interrupt request signal T2CAR from the car series remains held during this processing period (FIG. 4).
(2) T2CAR). Next, in step 702, interruption is enabled. Here, the interrupt request signal from the timer 34 is input to the interrupt controller 36 as an interrupt request signal T2CAR from the car series, and S is sent to the process switching means 310 as a switching request signal to the car transmission control means.
2 is output. Further, the process switching means 310 of FIG.
In the operation flow chart of step 601, 60
Then, in step 603, the car-series processing flag CA is entered.
Turn on RFRAG ((2) CARF at time t4 in FIG. 4)
LAG). Then, in step 604, a car series transmission control means selection signal S6 is output to the car transmission control means 330.

FIG. 8 is an operation flowchart of the car series transmission control means, which is activated by the car series transmission control means selection signal S6 output from the process switching means 310. In step 801, the transmission process of the car to the remote station 6 is performed (the car transmission / reception process Tcar period in FIG. 4B). In step 802, interruption is permitted, and in step 803, the hall series processing flag HALL is set.
It is determined whether the FLAG is on. In this case, since it is turned on, the process proceeds to step 811, and the process switching means selection signal S4 is output. When the processing switching means selection signal S4 is output, the processing switching means 310 is activated again, and processing is performed according to the operation flowchart shown in FIG. Interrupt controller 3 in step 601
It is determined whether or not there is a switching request signal S2 from S6. In this case, since there is no switching request signal S2, the process proceeds to step 606. Then, since the processing switching means selection signal S4 is inputted from the car system transmission control means 330, the steps S606, 607 and 608 are advanced and the hall series transmission control means selection signal S5 is outputted to the hall system transmission control means 320. Here, the hall system transmission control means 320 is activated again, but is executed from the step 703 following the step 702 in which the processing was interrupted (time t in FIG. 4 (2)).
2). In step 703, reception processing of halls and information from the remote stations 4 and 5 is performed (step (2) tall period in FIG. 4), and step 70
In step 4, the hall series processing flag HALLFLAG is turned off (time t3 in FIG. 4 (2)). Further, in step 705, it is determined whether or not the car series processing flag CARFLAG is turned on. In this case, since it is turned on, the process proceeds to step 707 and the process switching means selection signal S3 is output. When the processing switching means selection signal S3 is output, the processing switching means 310 is activated again, and processing is performed according to the operation flowchart shown in FIG. Step 60
At 1, it is determined whether or not there is a switching request signal S2 from the interrupt controller 36. In this case, since there is no switching request signal S2, the process proceeds to step 606. Since the processing switching means selection signal S3 is input from the hall system transmission control means 320, steps 606, 607, 60 are performed.
4, the car series transmission control means selection signal S6 is output to the car transmission control means 330. Here, the car system transmission control means 330 is activated again, but is executed from step 804 following step 803 in which the processing was interrupted earlier (in this case, the stack operation is performed so that the processing is executed from step 804). Required, but not shown in detail). Then, the transmission processing to the MOP board 7 in step 804, the transmission processing to the CRT monitoring board 8 in step 805, the reception processing from the car remote station 6 in step 806, the reception processing from the MOP board 7 in step 807,
Reception processing from the CRT monitoring panel 8 in step 808 is performed ((2) tcar period in FIG. 4), and in step 809, the car series processing flag CARFLAG is turned off (FIG. 4).
(2) Time t5). In step 810, other processing required for signal transmission of the elevator is performed, and a series of processing ends.

As described above, in this embodiment, when signal transmissions of different series such as a car system and a landing system are processed and executed by two timers (timer 1 and timer 2 not shown). Even if an interrupt conflict occurs, the processing switching means, the hall system transmission control means, and the car system transmission control means efficiently switch the processing as shown in FIG. It is possible to prevent a situation in which the processing becomes inexecutable and the transmission capacity is deteriorated.

Further, step 701 landing transmission processing (Tall period in FIG. 4) of FIG. 7 and step 801 car transmission processing (Tcar period in FIG. 4) of FIG. 8 are the hall and information remote station and the car remote station. Is the data transmission process for
As shown in FIG. 13, the transmission data interval is 2.5 msec. On the other hand, the remote station for halls and information, and the remote station for cars are
Cars and hall indicators, button lamp lighting control, etc. are performed on the basis of 2.5 msec between the transmission data, and 2.5 msec between the transmission data is reduced by the competition of interrupts as in the present embodiment. If it cannot be maintained, phenomena such as flicker of the car and the indicator of the hall and button light will occur. Therefore, the transmission process is a process that must be executed immediately after the generation of the interrupt request signal. In this respect as well, according to the present embodiment,
It can be understood that the above-mentioned respective means perform the highest priority processing.

[0042]

As described above, the present invention provides an elevator signal transmission device for serially transmitting data between a transmission processing system and each remote station.
The transmission processing system, an interrupt controller that arbitrates the priority of interrupts when a plurality of interrupts occur,
The interrupt controller, the hall system transmission control means for controlling the hall system signal transmission, and the process switching means selection signal from the car system transmission control means for controlling the car system signal transmission are input to perform the hall signal transmission processing. Since the system switching control means or the processing switching means for switching to the car system transmission means is provided, it is possible to prevent a situation in which one processing becomes inexecutable during the processing of the other even if an interrupt conflict occurs and the transmission capacity is deteriorated. Produce an effect.

Further, the present invention is suitable for a system in which signal transmission of different series is controlled by 1 CPU (1 core),
There is no need to provide a separate CPU (core) and other semiconductor elements (2P-RAM, etc.) for each series as in the past, which improves the mounting efficiency on the board and also enables low-cost elevator signal transmission. There is also an effect that the device can be constructed.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing an example of an elevator signal transmission device according to an embodiment of the present invention.

FIG. 2 is a configuration diagram of an elevator transmission processing system according to the embodiment of the present invention.

FIG. 3 is a functional block diagram of an elevator transmission processing system according to an embodiment of the present invention.

FIG. 4 is an explanatory diagram of interrupt processing timing according to the embodiment of the present invention.

FIG. 5 is a flowchart showing a processing procedure of the synchronization detecting means in the embodiment of the present invention.

FIG. 6 is a flowchart showing a processing procedure of processing switching means in the embodiment of the present invention.

FIG. 7 is a flowchart showing a processing procedure of a hall system transmission control means in the embodiment of the present invention.

FIG. 8 is a flowchart showing a processing procedure of a car transmission control means in the embodiment of the present invention.

FIG. 9 is a transmission signal between the group supervisory control device and the transmission processing system.

FIG. 10 is a configuration diagram illustrating a conventional elevator signal transmission device.

FIG. 11 is a block diagram showing a slave station at a conventional elevator hall.

FIG. 12 is a configuration diagram showing a child station of a conventional elevator car.

FIG. 13 is a transmission signal of a conventional elevator signal transmission device.

[Explanation of symbols]

1 control panel, 2 elevator control device, 3 transmission processing system, 4 hall remote station, 5 information remote station, 6 car remote station, 7 MOP panel, 8 CRT monitoring panel, 9-14 transmission line, 34 timer, 310 processing switching means, 320 hall system transmission control means, 330 car transmission control means.

Claims (4)

[Claims] 1. An elevator signal transmission device for performing serial transmission control of an elevator by dividing into a transmission processing system of a control panel and an input / output terminal device of a hall equipment and a car equipment of each floor, wherein the transmission processing system of the elevator is , An interrupt controller that adjusts the priority of interrupts when multiple interrupts that perform processing / execution of the signal transmission system of the input / output terminal devices of floor equipment and car equipment of different floors are provided. And the hall equipment of each floor of different floors of the above-mentioned series, with the processing switching means selection signal from the control means of the signal transmission system of the input / output terminal device of the floor equipment of each floor and the car equipment of the above-mentioned series as input. And a processing switching means for switching to one of the control means of the signal transmission system of the input / output terminal device of the car equipment. Elevator signal transmission device to be considered. 2. In an elevator signal transmission device for performing serial transmission control of an elevator by dividing it into a transmission processing system of a control panel and a group management control device, the transmission processing system is a transmission for synchronization from the group management control device. An elevator signal transmission device comprising synchronization detection means for detecting a period without a signal. 3. One of a plurality of interrupt processings for performing processing / execution of a signal transmission system of a hall equipment and a car equipment input / output terminal equipment of different floors of the different series is connected to the car equipment input / output terminal equipment. 2. The elevator signal transmission device according to claim 1, wherein a start command of the interrupt processing is input from an elevator control device in a device assigned to a signal transmission system. 4. One of a plurality of interrupt processes for performing processing / execution of a signal transmission system of an input / output terminal device of a floor device and a car device of each floor of different series is signal-transmitted with a hall device of each floor. 3. The elevator signal transmission device according to claim 1, wherein the interrupt processing start command is input from the synchronization detecting means in the system-assigned system.