JP6566057B2 - Elevator system - Google Patents

Description

  The present invention relates to an elevator system.

  Patent Document 1 describes an elevator apparatus. In the elevator apparatus described in Patent Document 1, a person in the car can talk to an external person by using an intercom. A public line is used for this call.

JP 2008-120581 A

  For example, the elevator system is equipped with a plurality of cars. Each car is provided with an interphone for talking to an outside person. When the elevator apparatus described in Patent Document 1 is applied to such an elevator system, there is a problem that telephone lines corresponding to the number of cars must be prepared.

  The present invention has been made to solve the above-described problems. SUMMARY OF THE INVENTION An object of the present invention is to provide an elevator system that enables a call between an interphone in each car and the outside by a number of telephone lines smaller than the number of cars.

An elevator system according to the present invention includes a first intercom provided in a first car, a first communication device that enables a call between the first intercom and the outside using a specific telephone line, and a second car A second intercom provided; and a second communication device that enables a telephone call between the second intercom and the outside using a telephone line. When a specific operation is performed on the first intercom, the first communication device connects to the telephone line if the telephone line is not used. When the first communication device receives the call request signal from the second communication device, the first communication device connects the second communication device to the telephone line if the telephone line is not used. If the second communication device is connected to the telephone line when a specific operation is performed on the first intercom, the first communication device will notify the notification sound only to the call partner of the user of the second intercom. Notification sound request signal is transmitted to the second communication device.

An elevator system according to the present invention includes a first intercom provided in a first car, a first communication device that enables a call between the first intercom and the outside using a specific telephone line, and a second car A second intercom provided; and a second communication device that enables a telephone call between the second intercom and the outside using a telephone line. When the first communication device receives a call request signal for the first intercom from the outside using a telephone line, the first communication apparatus connects to the telephone line. When the first communication device receives a call request signal for the second interphone from the outside using a telephone line, the first communication device connects the second communication device to the telephone line. If the second communication device is connected to the telephone line when a specific operation for a call is performed on the first intercom, the first communication device can be used only by the user of the second intercom user. A notification sound request signal for listening to the notification sound is transmitted to the second communication device.

  With the elevator system according to the present invention, it is possible to make a call between the intercom in each car and the outside by using a smaller number of telephone lines than the number of cars.

It is a figure which shows the example of the elevator system in Embodiment 1. FIG. It is a figure for demonstrating the operation example of the elevator system in Embodiment 1. FIG. It is a figure for demonstrating the other operation example of the elevator system in Embodiment 1. FIG. It is a figure which shows the example of the hardware resource of a communication apparatus. It is a figure which shows the other example of the hardware resource of a communication apparatus.

  The present invention will be described with reference to the accompanying drawings. The overlapping description will be simplified or omitted as appropriate. In each figure, the same reference numerals indicate the same or corresponding parts.

Embodiment 1 FIG.
FIG. 1 is a diagram illustrating an example of an elevator system according to the first embodiment. FIG. 1 shows an example in which an elevator system includes an A machine, a B machine, and a C machine. This system may include only Unit A and Unit B. The system may include four or more elevators.

  The elevator system shown in FIG. 1 includes a communication device 1, a communication device 2, and a communication device 3, for example. The communication device 1 is a device for the Unit A to communicate with the outside. The communication device 2 is a device for the Unit B to communicate with the outside. The communication device 3 is a device for the C machine to communicate with the outside. The communication device 1 is connected to a monitoring center 5 outside the system via a telephone line 4. The communication device 2 is connected to the communication device 1 by a communication line 6. The communication device 3 is connected to the communication device 2 by a communication line 7. That is, the communication device 2 is connected to the monitoring center 5 through the communication line 6 and the telephone line 4. The communication device 3 is connected to the monitoring center 5 via the communication line 7, the communication line 6 and the telephone line 4.

  In the example illustrated in FIG. 1, the communication device 1 functions as a master machine. The communication device 2 and the communication device 3 function as slave machines. The communication device 3 may be directly connected to the communication device 1 by a communication line. The communication device 3 may be directly connected to both the communication device 1 and the communication device 2 by the communication line 7 and another communication line. When this system is provided with four elevators, this system is provided with, for example, three slave machines.

  The communication device 1 is connected to, for example, a control panel 8 and a car 9 of Unit A. The control panel 8 controls the hoisting machine 10, for example. The hoisting machine 10 is a device for driving the car 9. The car 9 is provided with an interphone 11. The intercom 11 is provided with, for example, a microphone and a speaker. The communication device 1 enables a call between the interphone 11 and the outside using the telephone line 4. In the example shown in FIG. 1, a person in the car 9 can talk to an operator in the monitoring center 5 by using the intercom 11.

  The communication device 2 is connected to the control panel 12 and the car 13 of the No. B machine, for example. The control panel 12 controls the hoisting machine 14, for example. The hoisting machine 14 is a device for driving the car 13. An interphone 15 is provided in the car 13. For example, the interphone 15 includes a microphone and a speaker. The communication device 2 enables a telephone call between the interphone 15 and the outside using the telephone line 4. In the example shown in FIG. 1, a person in the car 13 can talk to an operator in the monitoring center 5 by using the interphone 15.

  The communication device 3 is connected to, for example, the control panel 16 and the car 17 of the No. C machine. The control panel 16 controls the hoisting machine 18, for example. The hoisting machine 18 is a device for driving the car 17. An interphone 19 is provided in the car 17. For example, the interphone 19 includes a microphone and a speaker. The communication device 3 enables a call between the interphone 19 and the outside using the telephone line 4. In the example shown in FIG. 1, a person in the car 17 can talk to an operator in the monitoring center 5 by using the intercom 19.

  The elevator system may include a power supply for power failure. For example, the standby power supply 20 is connected to the communication device 1. A spare power supply 21 is provided in the car 9. The standby power supply 20 supplies power to the communication device 1 during a power failure. The standby power supply 21 supplies power to the intercom 11 during a power failure. If the standby power source 20 and the standby power source 21 are provided, a person in the car 9 can talk with an operator in the monitoring center 5 even if a power failure occurs.

  A standby power supply 22 is connected to the communication device 2. A spare power source 23 is provided in the car 13. The standby power supply 22 supplies power to the communication device 2 during a power failure. The standby power supply 23 supplies power to the intercom 15 at the time of a power failure. If the standby power supply 22 and the standby power supply 23 are provided, even if a power failure occurs, a person in the car 13 can talk with an operator in the monitoring center 5.

  A standby power supply 24 is connected to the communication device 3. A spare power supply 25 is provided in the car 17. The standby power supply 24 supplies power to the communication device 3 during a power failure. The standby power supply 25 supplies power to the intercom 19 during a power failure. If the standby power supply 24 and the standby power supply 25 are provided, even if a power failure occurs, a person in the car 17 can talk to an operator in the monitoring center 5.

  Next, the functions of the elevator system will be described in detail with reference to FIGS. FIG. 2 is a diagram for explaining an operation example of the elevator system according to the first embodiment.

  When a person in the car 13 of the Unit B wants to talk to an operator in the monitoring center 5, the person performs a specific operation on the intercom 15. For example, a person in the car 13 presses a call button provided on the intercom 15. The communication device 2 detects that the call button of the intercom 15 has been pressed. When the call button of the intercom 15 is pressed, the communication device 2 determines that a notification is necessary. When notification is required, the communication device 2 makes an inquiry to the communication device 1 by transmitting a call request signal to the communication device 1 (S101).

  When receiving the call request signal, the communication device 1 determines whether or not the telephone line 4 is currently being used. For example, when the communication apparatus 1 receives the call request signal transmitted by the communication apparatus 2 in S101, the telephone line 4 is not used. In such a case, the communication device 1 permits a call request from the communication device 2 (S102). As a result, the communication device 2 is connected to the telephone line 4, and the telephone line 4 is occupied by the communication device 2. A person in the car 13 can talk to an operator in the monitoring center 5.

  The communication device 2 and the communication device 3 have the same function. For example, when a person in the car 17 of Unit C wants to talk to an operator in the monitoring center 5, the person presses a call button provided on the interphone 19. The communication device 3 detects that the call button of the intercom 19 has been pressed. When the call button of the intercom 19 is pressed, the communication device 3 determines that a notification is necessary. When notification is required, the communication device 3 makes an inquiry to the communication device 1 by transmitting a call request signal to the communication device 1 (S103).

  In the example illustrated in FIG. 2, the telephone line 4 is used by the communication device 2 when the communication device 1 receives the call request signal transmitted by the communication device 3 in S <b> 103. In such a case, the communication device 1 does not permit a call request from the communication device 3 (S104). For example, when receiving a call request signal when the telephone line 4 is being used, the communication device 1 transmits a standby request signal to the communication device that has transmitted the call request signal. In the example illustrated in FIG. 2, the communication device 1 transmits a standby request signal to the communication device 3 in S104.

  The same applies to the case where the telephone line 4 is used by the communication apparatus 1 when the communication apparatus 3 transmits a call request signal to the communication apparatus 1. For example, when a person in the car 9 of Unit A wants to talk to an operator in the monitoring center 5, the person presses a call button provided on the intercom 11. The communication device 1 detects that the call button of the intercom 11 has been pressed. The communication device 1 connects to the telephone line 4 if the telephone line 4 is not used when the call button of the intercom 11 is pressed. Thereby, the person in the car 9 can talk with the operator in the monitoring center 5. For example, when the communication device 1 receives a call request signal from the communication device 3 while using the telephone line 4, the communication device 1 transmits a standby request signal to the communication device 3.

  When receiving the standby request signal from the communication device 1, the communication device 3 determines whether or not a certain time has elapsed since the previous inquiry to the communication device 1. When a certain period of time has elapsed since the previous inquiry, the communication device 3 makes an inquiry to the communication device 1 again by transmitting a call request signal to the communication device 1 (S105). In the example illustrated in FIG. 2, the communication device 1 does not permit the call request from the communication device 3 in S106 and transmits a standby request signal to the communication device 3 again.

  For example, consider a case in which the line between the communication apparatus 2 and the monitoring center 5 is disconnected immediately after the communication apparatus 1 transmits a standby request signal in S106. When a certain period of time has elapsed since the previous inquiry, the communication device 3 makes an inquiry to the communication device 1 again by transmitting a call request signal to the communication device 1 (S107). When the communication apparatus 1 receives the call request signal transmitted by the communication apparatus 3 in S107, the telephone line 4 is not used. In such a case, the communication device 1 permits a call request from the communication device 3 (S108). As a result, the communication device 3 is connected to the telephone line 4, and the telephone line 4 is occupied by the communication device 3. A person in the car 17 can talk to an operator in the monitoring center 5.

  FIG. 2 shows an example in which a call can be made by a request from the inside of the system. Hereinafter, an example in which a call can be made by an external request will be described. FIG. 3 is a diagram for explaining another operation example of the elevator system according to the first embodiment.

  The monitoring center 5 uses the telephone line 4 to make a call to this system. In this system, the communication device 1 as a master machine responds to an incoming call from the monitoring center 5 (S201). At this time, the communication apparatus 1 also receives the number machine instruction from the monitoring center 5 (S202).

  For example, the monitoring center 5 transmits a call request signal for the interphone 15 using the telephone line 4. When receiving the call request signal from the monitoring center 5, the communication device 1 issues a response instruction based on the received machine number instruction (S203). In the above example, the communication device 1 issues a response instruction to the communication device 2. When the communication apparatus 2 accepts the response instruction received from the communication apparatus 1 (S204), the communication apparatus 1 is disconnected from the telephone line 4 and the communication apparatus 2 is connected to the telephone line 4. As a result, the telephone line 4 is occupied by the communication device 2. An operator in the monitoring center 5 can talk with a person in the car 13.

  As described above, the communication device 2 and the communication device 3 have the same function. For example, when the communication device 1 receives a call request signal for the interphone 19 from the monitoring center 5, the communication device 1 issues a response instruction to the communication device 3. When the communication apparatus 3 accepts the response instruction received from the communication apparatus 1, the communication apparatus 1 is disconnected from the telephone line 4 and the communication apparatus 3 is connected to the telephone line 4. Thereby, an operator in the monitoring center 5 can talk with a person in the car 17. In addition, when the communication apparatus 1 receives a call request signal for the interphone 11 from the monitoring center 5, the communication apparatus 1 connects to the telephone line 4. Thereby, the operator in the monitoring center 5 can talk with the person in the car 9.

  This system may have a notification sound function for the outside. For example, when a person in the car 17 presses a call button provided on the interphone 19, a call request signal is output from the communication device 3 to the communication device 1 (S205). In the example illustrated in FIG. 3, the telephone line 4 is used by the communication device 2 when the communication device 1 receives an inquiry from the communication device 3 in S <b> 205. In such a case, the communication device 1 does not permit a call request from the communication device 3 (S206). The communication device 1 transmits a standby request signal to the communication device 3.

  Further, when receiving a call request signal when the telephone line 4 is being used, the communication apparatus 1 issues a notification instruction to the outside to the communication apparatus currently using the telephone line 4 (S207). For example, the telephone line 4 is used by the communication device 2 when the communication device 1 receives a call request signal from the communication device 3 in S205. In such a case, the communication device 1 transmits a notification sound request signal to the communication device 2. The notification sound request signal is a signal for allowing the interphone user to talk to the other party. In the example illustrated in FIG. 3, the communication device 1 transmits to the communication device 2 a notification sound request signal for allowing the communication partner of the user of the interphone 15 to hear the notification sound in S207.

  Upon receiving the notification sound request signal from the communication device 1, the communication device 2 generates a notification sound (S208). For this reason, the operator in the monitoring center 5 hears this notification sound when talking to a person in the car 13. By listening to the notification sound, the operator can know that there is a person who wants to make a call other than the person in the car 13.

  Similarly, if the telephone line 4 is used by the communication device 3 when the communication device 1 receives the call request signal from the communication device 2, the communication device 1 transmits a notification sound request signal to the communication device 3. . When the communication device 3 receives the notification sound request signal from the communication device 1, the communication device 3 generates a notification sound. Thereby, the operator in the monitoring center 5 can know that there is a person who wants to call other than the person in the car 17.

  If the communication device 2 is connected to the telephone line 4 when the call button of the interphone 11 is pressed, the communication device 1 transmits a notification sound request signal to the communication device 2. Similarly, if the communication device 3 is connected to the telephone line 4 when the call button of the interphone 11 is pressed, the communication device 1 transmits a notification sound request signal to the communication device 3.

  This notification sound function may be employed in the example shown in FIG.

  In the example shown in the present embodiment, calls between interphones in each car and the outside can be made by using a smaller number of telephone lines than the number of cars. There may be only one telephone line. A plurality of telephone lines may be prepared.

  When a power outage occurs, confinement may occur in multiple cars. For this reason, this system can be a particularly effective means in a system equipped with an emergency power supply.

  In the present embodiment, an example in which one type of warning sound is generated from the system has been described. The communication device 1 may transmit different notification sound request signals according to the contents to be notified. The communication device that has received the notification sound request signal generates a notification sound according to the received signal. In this example, the operator in the monitoring center 5 can grasp the importance of the notification content by listening to the notification sound. The notification sound may be generated by speech synthesis.

  FIG. 4 is a diagram illustrating an example of hardware resources of the communication device 1. The communication device 1 includes a processing circuit 28 including, for example, a processor 26 and a memory 27 as hardware resources. The communication device 1 implements each function described above by executing a program stored in the memory 27 by the processor 26.

  The processor 26 is also called a CPU (Central Processing Unit), a central processing unit, a processing unit, an arithmetic unit, a microprocessor, a microcomputer, or a DSP. As the memory 27, a semiconductor memory, a magnetic disk, a flexible disk, an optical disk, a compact disk, a mini disk, or a DVD may be adopted. Semiconductor memories that can be used include RAM, ROM, flash memory, EPROM, EEPROM, and the like.

  FIG. 5 is a diagram illustrating another example of hardware resources of the communication device 1. In the example illustrated in FIG. 5, the communication device 1 includes a processing circuit 28 including, for example, a processor 26, a memory 27, and dedicated hardware 29. FIG. 5 shows an example in which some of the functions of the communication device 1 are realized by the dedicated hardware 29. All the functions of the communication device 1 may be realized by the dedicated hardware 29. As the dedicated hardware 29, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a combination thereof can be adopted.

  The hardware resources of the communication device 2 are the same as the example shown in FIG. The communication device 2 includes a processing circuit including, for example, a processor and a memory as hardware resources. The communication device 2 implements each function described above by executing a program stored in the memory by a processor. The communication device 2 may include a processing circuit including a processor, a memory, and dedicated hardware as hardware resources. Further, all the functions of the communication device 2 may be realized by dedicated hardware.

  The hardware resources of the communication device 3 are the same as the example shown in FIG. The communication device 3 includes a processing circuit including, for example, a processor and a memory as hardware resources. The communication device 3 implements each function described above by executing a program stored in the memory by a processor. The communication device 3 may include a processing circuit including a processor, a memory, and dedicated hardware as hardware resources. Further, all the functions of the communication device 3 may be realized by dedicated hardware.

1 to 3 communication devices 4 telephone line 5 monitoring center 6 communication line 7 communication line 8 control panel 9 car 10 hoisting machine 11 intercom 12 control panel 13 car 14 hoisting machine 15 intercom 16 control panel 17 car 18 hoisting machine 19 intercom 20 to 25 standby power supply 26 processor 27 memory 28 processing circuit 29 dedicated hardware

Claims (12)

A first intercom provided in the first car;
A first communication device that enables a call between the first intercom and the outside using a specific telephone line;
A second intercom provided in the second car;
A second communication device that enables a call between the second intercom and the outside using the telephone line;
With
The first communication device is
When a specific operation is performed on the first intercom, the telephone line is connected to the telephone line if the telephone line is not used,
Upon receiving a call request signal from the second communication device, if the telephone line is not used, connect the second communication device to the telephone line ;
If the second communication device is connected to the telephone line when the specific operation is performed on the first intercom, the first communication device can communicate with the user of the second intercom user. Elevator system that sends a notification sound request signal to only hear the notification sound to the second communication device. The first communication device transmits a standby request signal to the second communication device if the telephone line is used when the call request signal is received from the second communication device,
2. The elevator system according to claim 1, wherein when the second communication device receives a standby request signal from the first communication device, the second communication device transmits the call request signal again to the first communication device after a predetermined time has elapsed. A first standby power supply for supplying power to the first intercom during a power failure;
A second standby power supply for supplying power to the first communication device during a power failure;
A third standby power supply for supplying power to the second intercom during a power failure;
A fourth standby power supply for supplying power to the second communication device in the event of a power failure;
The elevator system according to claim 1 or 2, further comprising: The first communication device transmits a different notification sound request signal to the second communication device according to the notification content so that the call partner can grasp the importance of the notification content by listening to the notification sound. The elevator system according to any one of claims 1 to 3. A third intercom provided in the third car;
A third communication device that enables a call between the third intercom and the outside using the telephone line;
Further comprising
The first communication device, when receiving a call request signal from the third communication device, connects the third communication device to the telephone line if the telephone line is not used. The elevator system as described in one item. The first communication device transmits a standby request signal to the third communication device if the telephone line is used when the call request signal is received from the third communication device.
The elevator system according to claim 5, wherein, when the third communication device receives a standby request signal from the first communication device, the third communication device transmits the call request signal again to the first communication device after a predetermined time has elapsed. The first communication device is
If the third communication device is connected to the telephone line when a call request signal is received from the second communication device, a notification sound for letting the third party intercom user call a notification sound Sending a request signal to the third communication device;
If the second communication device is connected to the telephone line when a call request signal is received from the third communication device, a notification sound for letting the user of the second interphone call a notification sound The elevator system according to claim 5 or 6, wherein a request signal is transmitted to the second communication device. A first intercom provided in the first car;
A first communication device that enables a call between the first intercom and the outside using a specific telephone line;
A second intercom provided in the second car;
A second communication device that enables a call between the second intercom and the outside using the telephone line;
With
The first communication device is
When receiving a call request signal for the first intercom from the outside using the telephone line, connect to the telephone line,
When a call request signal for the second interphone is received from the outside using the telephone line, the second communication device is connected to the telephone line ,
If the second communication device is connected to the telephone line when a specific operation for a call is performed on the first interphone, the first communication device may be a user of the second intercom. Elevator system that sends to said second communication device a notification sound request signal to the other party only to hear the notification sound. The first communication device transmits a different notification sound request signal to the second communication device according to the notification content so that the call partner can grasp the importance of the notification content by listening to the notification sound. The elevator system according to claim 8. A first standby power supply for supplying power to the first intercom during a power failure;
A second standby power supply for supplying power to the first communication device during a power failure;
A third standby power supply for supplying power to the second intercom during a power failure;
A fourth standby power supply for supplying power to the second communication device in the event of a power failure;
The elevator system according to claim 8 or 9, further comprising: A third intercom provided in the third car;
A third communication device that enables a call between the third intercom and the outside using the telephone line;
Further comprising
The said 1st communication apparatus connects the said 3rd communication apparatus to the said telephone line, if the call request signal with respect to the said 3rd intercom is received from the exterior using the said telephone line. The elevator system according to one item. The first communication device is
If the third communication device is connected to the telephone line when a call request signal is received from the second communication device, a notification sound for letting the third party intercom user call a notification sound Sending a request signal to the third communication device;
If the second communication device is connected to the telephone line when a call request signal is received from the third communication device, a notification sound for letting the user of the second interphone call a notification sound The elevator system according to claim 11, wherein a request signal is transmitted to the second communication device.

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