JP4828319B2 - Elevator signal transmission device - Google Patents

Description

  The present invention relates to an elevator signal transmission device that transmits signals between an elevator control panel and a landing device.

  A conventional elevator signal transmission device is provided corresponding to each of a plurality of passenger cars, and provided with a plurality of vehicle control means for individually controlling the passenger cars, and corresponding to each passenger car and each floor. A plurality of hall control means for controlling the landing equipment provided, and hall transmission relay means for transmitting signals. The hall transmission relay means includes a transmission relay section for relaying control data transmitted from the hall control means via the serial transmission path to each corresponding vehicle control means or hall control means, and each vehicle control means. A transmission protocol conversion unit that converts one of the protocols into the other protocol to match the transmission protocol between the vehicle and the hall control means.

And in this elevator signal transmission device, even if the models of the plurality of hall control means connected via the serial transmission path are different or the transmission protocol is changed by maintenance, the changed transmission protocol is surely changed. Can respond. In addition, the flexibility of the landing equipment is improved, and equipment of other systems as well as equipment of the same system can be used, so that the landing equipment can be unified.
Also, at this time, the hall transmission relay means for converting to a transmission protocol corresponding to each connected hall control means appropriately converts a plurality of transmission protocols on the serial transmission path, and transmission paths corresponding to the respective transmission protocols. Further, there is no need to provide a transmission protocol conversion device, and the workability of installation work and maintenance inspection can be improved (for example, see Patent Document 1).

JP-A-9-155103

  However, since a plurality of hall devices are connected to the same signal transmission line connected to the hall transmission relay means, the number of hall devices that can be connected is small due to the upper limit of the signal transmission amount of the signal transmission line. There is a problem that the number of floors that can be serviced is small.

  An object of the present invention is to provide an elevator signal transmission device that can connect many landing devices and has a large number of floors that can be serviced.

An elevator signal transmission device according to the present invention is an elevator signal transmission device that transmits signals of communication performed between a control panel for controlling an elevator and landing equipment installed on each floor, and controls signal transmission with a predetermined protocol. A main serial communication system that transmits signals between each of the plurality of hall devices and the control panel; and at least at least the hall devices connected to the main serial communication system that control signal transmission using the same protocol as the protocol. A sub-serial communication system for transmitting a signal between one of the hall devices , wherein the hall device is provided with a floor setting switch which can be set or not set, and the main serial communication system. The hall device connected to the vehicle is connected via the sub-serial communication system. Installed in the same floor bed, when loading the landing call information from the landing equipment not floors set is stored as hall call information in the hierarchical bed.

  The effect of the elevator signal transmission apparatus according to the present invention is that a main serial communication system and a sub-serial communication system that control signal transmission with the same protocol are provided, and the main board is connected between each of the two hall devices and the control panel. Since the signal is transmitted in the serial communication system and the signal is transmitted in the sub-serial communication system between the other separated hall device and the hall device, the number of hall devices connected directly and indirectly to the control panel is increased. Can do.

Embodiment 1 FIG.
FIG. 1 is a configuration diagram of an elevator signal transmission apparatus according to Embodiment 1 of the present invention.
The elevator signal transmission apparatus according to Embodiment 1 of the present invention is a main serial communication system that transmits signals between a control panel 1 installed in an elevator machine room (not shown) and a master hall device 2 installed on a floor. And a sub-serial communication system for transmitting signals between the master hall device 2 and the slave hall device 3 installed on the floor. At least one master hall device 2 or slave hall device 3 is installed on each predetermined floor.
The main serial communication system includes a master circuit 6 of the control panel 1, a main line 7, a slave circuit 11 of the master hall device 2, and a microcomputer 12 of the master hall device 2.

  The sub-serial communication system includes a microcomputer 12 of the master hall device 2, a floor setting switch 13 of the master hall device 2, an interface circuit (hereinafter referred to as “I / F circuit”) 14 of the master hall device 2, a master hall. A master circuit 15 of the device 2, a sub line 8, a slave circuit 21 of the slave hall device 3, a microcomputer 22 of the slave hall device 3, a floor setting switch 23 of the slave hall device 3, and an I / F circuit 24 of the slave hall device 3. Has been.

  The control panel 1 includes a control board (not shown). The control board reads the hall call button information from the master hall device 2, and conversely, the direction lights 31, 41, controlled by the master hall device 2 and the slave hall device 3, A master circuit 6 that sends out control information for controlling the landing floor position display indicators 32 and 42 and the hall audio output devices 33 and 43 is mounted. A main line 7 is connected to the master circuit 6.

The master hall device 2 includes a hall device control card (not shown). The hall device control card transmits hall call button information to the control board 1 in response to an information transmission request from the control board 1, and from the control board 1. A slave circuit 11 for receiving the control information is mounted.
The hall device control card reads hall call button information from the slave hall device 3, and controls the direction light 41, the hall floor position display indicator 42, and the hall audio output device 43 controlled by the slave hall device 3. The hall call information is input from the master circuit 15 and the hall call button 34 for sending out the control information for the control, and the direction lamp 31, the hall floor position display indicator 32 and the hall audio output device 33 controlled by itself are controlled. An I / F circuit 14 is provided for outputting a control signal.

The hall device control card includes a floor setting switch 13 in which the floor setting value of the floor where the master hall device 2 is installed, and a microcomputer 12 that controls the master hall device 2. .
The floor setting switch 13 is composed of, for example, an 8-digit toggle switch. When setting a floor setting value, the floor setting value is set by setting the toggle switch of a predetermined digit to 1.
The slave circuit 11 is connected to the main line 7, and the master circuit 15 is connected to the subline 8. The I / F circuit 14 is connected to a hall call button 34, a direction lamp 31, a hall floor position display indicator 32, and a hall audio output device 33.

As shown in FIG. 2, the microcomputer 12 includes a working memory 36 in which an area for storing hall call information for each floor is secured, and hall call button information from the slave hall device 3 read by the master circuit 15. Information storage means 37 for storing the included hall call information and the hall call information from its own hall call button 34 in the working memory 36 for each floor, when the slave circuit 11 receives the information transmission request, the working memory 36 When the hall call information is stored, the information sending means 38 for creating the hall call button information and sending it to the control panel 1 is provided.
The hall call button information transmitted from the slave hall device 3 is composed of hall call information consisting of “up call” or “down call” and the floor setting value of the slave hall device 3. This floor setting value is, for example, “00000001” for the first floor and “00000010” for the second floor.

  When the hall call button 34 is pressed and an “up call” or “down call” is input via the I / F circuit 14, the information storage unit 37 sets the floor setting set in the floor setting switch 13. The value is read, the hall call information stored in the area of the working memory 36 reserved for the floor is read, and the logical sum of the read hall call information and the input hall call information is obtained. The sum is stored in the area of the working memory 36 reserved for the floor.

  Further, when the master circuit 15 reads the hall call button information from the slave hall device 3, the information storage means 37 reads the floor setting value set in the floor setting switch 13 and includes it in the hall call button information. It is determined whether or not the floor setting value to be read is the same as the floor setting value read from the floor setting switch 13. When the floor setting value is the same, the information storage means 37 reads the hall call information stored in the area of the working memory 36 reserved for the floor, and the hall call information from the slave hall device 3 is read out. A logical sum of the hall call information included in the button information and the read hall call information is obtained, and the logical sum is stored in an area of the working memory 36 reserved for the floor.

  When the slave circuit 11 receives the information transmission request transmitted from the control panel 1 via the main line 7, the information transmission unit 38 determines whether or not the hall call information is stored in the working memory 36. . Then, when the hall call information is stored in the working memory 36, the information sending means 38 creates hall call button information and transmits it to the control panel 1 via the slave circuit 11.

The slave hall device 3 includes a hall device control card similar to that of the master hall device 2. Then, the slave circuit 21 mounted on the hall device control card transmits hall call button information to the master hall device 2 in response to an information transmission request from the master hall device 2, and control information from the master hall device 2. Receive.
The I / F circuit 24 mounted on the hall device control card receives the hall call information when the hall call button 44 is pressed, and the direction light 41 controlled by itself, the hall floor position display indicator. 42 and a control signal for controlling the hall audio output device 43 are output.

The floor setting switch 23 mounted on the hall device control card is set with the floor setting value of the floor where the slave hall device 3 is installed. Then, the microcomputer 22 mounted on the hall device control card controls the slave hall device 3. Note that the master circuit 25 mounted on the hall device control card does not operate because the line is not connected.
The slave circuit 21 is connected to the subline 8. The I / F circuit 24 is connected to a hall call button 44, a direction light 41, a hall floor position display indicator 42, and a hall audio output device 43.

As shown in FIG. 3, the microcomputer 22 has a working memory 46 in which an area for storing the hall call information for each floor is secured, and a hall call information from the hall call button 44 of its own. When the information storage means 47 stored in the working memory 46 and the slave circuit 21 receive the information sending request and the hall call information is stored in the working memory 46, the hall call button information is created and transmitted to the master hall device 2. The information sending means 48 is provided.
Since the slave hall device 3 is not connected to the master circuit 25, the hall call information stored in the working memory 46 relates only to itself.

When the hall call button 44 is pressed and an “up call” or “down call” is input via the I / F circuit 24, the information storage unit 47 sets the floor setting set in the floor setting switch 23. The value is read, the hall call information stored in the area of the working memory 46 reserved for the floor is read, and the logical sum of the read hall call information and the input hall call information is obtained. The sum is stored in the area of the working memory 46 reserved for the floor.
The information sending means 48 determines whether or not hall call information is stored in the working memory 46 when the slave circuit 21 receives an information sending request sent from the master hall device 2 via the subline 8. Then, when the hall call information is stored in the working memory 46, the information sending means 48 creates hall call button information and transmits it to the master hall device 2 via the slave circuit 21.

Next, a procedure for storing hall call button information in the microcomputer 12 of the master hall device 2 will be described. A specific example of the connection status of the landing equipment will be shown and described.
In the first example, as shown in FIG. 4, the master hall device 2 is installed on the first floor. Two slave landing devices 3 installed on the second floor and the third floor are connected to the master landing device 2 via a subline 8.
When the hall call button 34 of the master hall device 2 is pressed, hall call information is stored in the area for the first floor of the working memory 36 of the microcomputer 12. When the hall call button 44 of the slave hall device 3 on the second floor is pressed, hall call information is stored in the working memory 46 area of the slave hall device 3. In such a case, when the master circuit 15 of the master landing device 2 makes an information transmission request to the slave landing device 3 on the second floor, the slave landing device 3 on the second floor displays the floor setting value and the hall call information on the hall call button. Information is transmitted to the master hall device 2.
The master circuit 15 of the master hall device 2 receives the hall call button information and inputs it to the microcomputer 12. The microcomputer 12 determines whether or not the floor setting value is the same as its own floor setting value. In this example, only the own master hall device 2 is installed on the first floor, and the floor setting value is not the same, so the hall call information included in the hall call button information in the area for the second floor of the working memory 36. Remember. As a result, the hall call information is stored in the working memory areas for the first floor and the second floor.

In the next example, as shown in FIG. 5, the master hall device 2 is installed on the first floor, and the slave hall devices 3 respectively installed on the first floor and the second floor are connected to the master hall device 2 through the subline 8. Has been.
When the hall call button 34 connected to the master hall device 2 is pressed, hall call information is stored in the area for the first floor of the working memory 36 of the microcomputer 12. When the hall call button 44 connected to the slave hall device 3 installed on the first floor is pressed, hall call information is stored in the area for the first floor of the working memory 46 of the slave hall device 3. . In such a case, when the master circuit 15 of the master landing device 2 makes an information transmission request to the slave landing device 3 installed on the first floor, the slave landing device 3 installed on the first floor The hall call information is transmitted to the master hall device 2.
The master circuit 15 of the master hall device 2 receives the floor setting value and hall call information and inputs them to the microcomputer 12. The microcomputer 12 determines whether the floor setting value is the same as its own floor setting value. In this case, since the floor setting value is “00000001”, it is the same as its own floor setting value. Therefore, the microcomputer 12 calculates and stores the logical sum of the two hall call information in the area for the first floor of the working memory 36. To do.

  Such an elevator signal transmission device is provided with two lines in which signal transmission is controlled by the same protocol, and the hall device is divided into two, and one of the divided hall devices is connected via the control panel and one line. Since the other connected hall device is connected to the hall device connected to the control panel, the number of hall devices that can be directly and indirectly connected to the control board can be increased.

  Also, when a slave landing device installed on the same floor as the master landing device is connected via a subline, the logical sum of both landing call information is obtained and sent to the control panel, so one Signal transmission is performed in the same manner as signal transmission on the line.

Embodiment 2. FIG.
FIG. 6 is a block diagram of an elevator signal transmission apparatus according to Embodiment 2 of the present invention.
As shown in FIG. 6, the elevator signal transmission apparatus according to the second embodiment of the present invention is different from the elevator signal transmission apparatus according to the first embodiment and the floor setting switches 13B and 23B. Since the microcomputer 12B and the microcomputer 22B of the slave hall device 3 are the same except for the microcomputer 12B, the same reference numerals are given to the same parts and the description thereof is omitted.
The floor setting switches 13B and 23B according to the second embodiment have the same function as the floor setting switches 13 and 23 according to the first embodiment except that a function for not performing floor setting is added. Description of similar parts is omitted. In the floor setting switches 13B and 23B, since the toggle switches of all the digits are set to 1 at the time of acquisition, the floor setting value is left as it is unless the floor setting is performed. Is displayed as FF.

  In the working memory 46 of the microcomputer 22B of the slave hall device 3 according to the second embodiment, an area when the floor setting value is FF is secured. Further, the information storage means 47 of the slave hall device 3 according to the second embodiment has the floor setting switch 23B of the floor setting switch 23B when the hall call button 44 is pressed and "up call" or "down call" is input. Although the set value is read, since the floor setting is not performed, FF is read as the floor set value. And the information storage means 47 memorize | stores hall call information in the area | region reserved for the floor setting value FF of the working memory 46. FIG. The information sending unit 48 of the slave hall device 3 according to the second embodiment determines whether the call information is stored in the working memory 46 when the slave circuit 21 receives the information sending request from the master hall device 2. To do. When the hall call information is stored in the working memory 46 of the microcomputer 22 of the slave hall device 3, the hall call information is stored in the area for the floor set value FF. The call information and the floor setting value FF are created and transmitted to the master hall device 2.

  The information storage means 37 of the master hall device 2 according to the second embodiment reads from the slave hall device 3 when the hall call button information is read via the master circuit 15 from the slave hall device 3 where the floor setting is not performed. It is determined whether or not the floor setting value included in the hall call button information is FF. And when the floor setting value is not FF, it is the same as that of the first embodiment, and the description is omitted.

  When the floor setting value is FF, the floor setting value set in the floor setting switch 13B is read, and the hall call information stored in the area of the working memory 36 reserved for the floor is read. The logical sum of the readout and the hall call information included in the hall call button information from the slave hall device 3 and the read hall call information is obtained, and the logical sum is stored in the area of the working memory 36 reserved for the floor. Remember.

  As described above, when the slave hall device 3 connected to the sub serial communication system is not set to the floor, the floor setting value of the master hall device 2 connected to the slave hall device 3 via the subline 8 is the slave. Since it is used as the floor setting value of the landing device 3, when installing the slave landing device 3 on the same floor as the master landing device 2, it is not necessary to set the floor for the slave landing device 3, and the installation work The amount can be reduced.

BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram of the elevator signal transmission apparatus concerning Embodiment 1 of this invention. 3 is a functional block diagram of a microcomputer of the master hall device according to Embodiment 1. FIG. 6 is a functional block diagram of a microcomputer of a slave hall device according to Embodiment 2. FIG. This is an installation example of one master hall device and two slave hall devices. It is another example of installation of one master hall device and two slave hall devices. It is a block diagram of the elevator signal transmission apparatus concerning Embodiment 2 of this invention.

Explanation of symbols

  1 control panel, 2 master landing device, 3 slave landing device, 6, 15, 25 master circuit, 7 main line, 8 sub line, 11, 21 slave circuit, 12, 12B, 22, 22B microcomputer, 13, 13B, 23, 23B floor setting switch, 14, 24 I / F circuit, 31, 41 directional light, 32, 42 hall floor position display indicator, 33, 43 hall audio output device, 34, 44 hall call button, 36, 46 working Memory, 37, 47 Information storage means, 38, 48 Information sending means.

Claims (1)

In an elevator signal transmission device that transmits signals of communication performed between a control panel that controls an elevator and landing equipment installed on each floor,
A main serial communication system that controls signal transmission using a predetermined protocol and transmits signals between each of the plurality of hall devices and the control panel;
A sub-serial communication system that controls signal transmission with the same protocol as the protocol and transmits signals between the hall device connected to the main serial communication system and at least one hall device;
Equipped with a,
The hall device is provided with a floor setting switch that can be set or not set.
The hall device connected to the main serial communication system is connected via the sub-serial communication system, and is installed on the same floor, and reads hall call information from the hall device not set on the floor. The elevator signal transmission device is characterized in that it is stored as hall call information on the floor .

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