WO2022249353A1

WO2022249353A1 - Power supply system for elevator landing

Info

Publication number: WO2022249353A1
Application number: PCT/JP2021/020061
Authority: WO
Inventors: 雄介中野
Original assignee: 三菱電機株式会社
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-12-01
Also published as: CN117320988A; JP7501790B2; JPWO2022249353A1

Abstract

Provided is a power supply system for an elevator landing, whereby energy saving can be more reliably achieved. This power supply system for an elevator landing comprises: a plurality of landing power sources that receive, from an elevator control panel, a supply of electric power from the control panel respectively via a plurality of dedicated lines branched from wiring; a plurality of switching devices provided to the plurality of dedicated lines between the wiring and the plurality of respective landing power sources; and a plurality of landing display device control panels that are provided respectively to a plurality of landings of the elevator, receive a supply of electric power from the plurality of respective landing power sources, control a plurality of respective landing display devices provided respectively to the plurality of landings, and each cause a switching device that corresponds to a landing power source other than the landing power source that supplies electric power to itself to connect and disconnect the wiring and the landing power source on the basis of an instruction from the control panel.

Description

Elevator landing power supply system

This disclosure relates to an elevator landing power supply system.

Patent Document 1 discloses an elevator hall power supply system. According to the hall power supply system, energy can be saved by cutting off the power supply to the hall device depending on the situation.

Japanese Patent Application Laid-Open No. 2011-116527

However, the hall power supply system described in Patent Document 1 requires a backup power supply for restoring power supply to the hall apparatus. Therefore, it is not sufficient as an energy saving measure.

The present disclosure was made to solve the above problems. An object of the present disclosure is to provide an elevator hall power supply system that can more reliably save energy.

An elevator hall power supply system according to the present disclosure includes a plurality of hall power supplies that receive power from the control panel of the elevator via each of a plurality of dedicated lines branched from the wiring, and the wiring. and a plurality of switching devices provided in the plurality of dedicated lines between each of the plurality of hall power sources; and a plurality of switching devices provided in the plurality of halls of the elevator, respectively, to receive power supply from the plurality of hall power sources. , a switching device corresponding to a hall power source other than the hall power source that controls each of the plurality of hall displays provided in each of the plurality of halls and supplies power to itself based on instructions from the control panel; and a plurality of hall display control panels for connecting and disconnecting the wiring and the hall power supply.

According to the present disclosure, the hall display control panel connects and disconnects the AC power supply wiring to the switching device corresponding to the hall power supply other than the second hall power supply that supplies direct current power to itself and the relevant hall power supply. Let Therefore, energy saving can be achieved more reliably.

1 is a configuration diagram of an elevator hall power supply system according to Embodiment 1. FIG. FIG. 4 is a configuration diagram of a main part of a second system of the elevator landing power supply system according to Embodiment 1; 1 is a hardware configuration diagram of an elevator control panel of an elevator to which the elevator hall power supply system according to Embodiment 1 is applied; FIG.

An embodiment will be described according to the attached drawings. In addition, the same code|symbol is attached|subjected to the part which is the same or corresponds in each figure. Redundant description of the relevant part will be simplified or omitted as appropriate.

Embodiment 1.
FIG. 1 is a configuration diagram of an elevator hall power supply system according to Embodiment 1. In FIG.

In FIG. 1, a plurality of hall call buttons 1 are provided at a plurality of elevator halls in a building. A plurality of hall call buttons 1 are shared by adjacent first car (not shown) and second car (not shown).

The hall power supply system includes a first system 2, a second system 3, and an elevator control panel 4.

The first system 2 is provided corresponding to the first car. The first system 2 includes a plurality of first hall power sources 5 and a plurality of first hall display control panels 6 .

The plurality of first landing power sources 5 respectively correspond to a plurality of groups in a state in which each floor of the building is divided into a plurality of groups in the vertical direction. For example, the first group is the 16th to 20th floors. For example, the second group is from the 11th floor to the 15th floor. For example, the third group is the 6th to 10th floors. For example, the fourth group is the 1st to 5th floors. The plurality of first hall power sources 5 are connected to each of the plurality of first AC dedicated lines 8 branched from the first AC power wiring 7 . The plurality of first hall power supplies 5 receives AC power from each of the plurality of first AC leased lines 8 . The plurality of first hall power supplies 5 convert AC power into DC power.

A plurality of first hall display control panels 6 are provided corresponding to each floor of the building. A plurality of first hall display control panels 6 are connected to the first hall power supply 5 of their own group via first DC power wiring 9 . A plurality of first hall display control panels 6 are connected to first communication signal wiring 10 . A plurality of first hall displays are connected to a plurality of hall call buttons 1, respectively. The plurality of first hall display control panels 6 receives DC power from the first hall power supply 5 of the group. The plurality of first hall display control panels 6 operate using DC power. For example, the plurality of first hall display device control panels 6 receive signals from each of the plurality of hall call buttons 1 . For example, the plurality of first hall display control panels 6 operate the hall lanterns, chimes, etc. of the corresponding floors.

The second system 3 is provided corresponding to the second car. The second system 3 includes a plurality of second hall power sources 11 , a plurality of switching devices 12 and a plurality of second hall display control panels 13 .

The plurality of second landing power sources 11 respectively correspond to a plurality of groups in a state in which each floor of the building is divided into a plurality of groups in the vertical direction. For example, the first group is the 16th to 20th floors. For example, the second group is from the 11th floor to the 15th floor. For example, the third group is the 6th to 10th floors. For example, the fourth group is the 1st to 5th floors. The plurality of second hall power sources 11 are connected to each of the plurality of second dedicated AC lines 15 branched from the second AC power wiring 14 . The plurality of second hall power supplies 11 receives AC power from each of the plurality of second AC leased lines 15 . The plurality of second hall power supplies 11 convert AC power into DC power.

A plurality of switching devices 12 are provided on a plurality of second AC dedicated lines 15 between the second AC power wiring 14 and the plurality of second hall power sources 11, respectively. For example, switching device 12 may be a solid-state relay or the like. A plurality of switching devices 12 maintain or disconnect the connection of the second AC leased line 15 .

A plurality of second hall display control panels 13 are provided corresponding to each floor of the building. A plurality of second hall display control panels 13 are connected to the second hall power supply 11 of their own group via second DC power wiring 16 . A plurality of second hall display control panels 13 are connected to second communication signal wiring 17 . The plurality of second hall display control panels 13 receives DC power from the second hall power supply 11 of the group. The plurality of second hall display control panels 13 operate using DC power. For example, the plurality of second hall display control panels 13 operate the hall lanterns, chimes, etc. of the corresponding floors.

On the lowest floor of each group, the second hall display control panel 13 is connected to the switching device 12 of the adjacent group below via the control signal wiring 18 . For example, on the 16th floor of the first group, the second hall display control panel 13 is connected to the switching device 12 of the second group. For example, on the 11th floor of the second group, the second hall display control panel 13 is connected to the switching device 12 of the third group. For example, on the sixth floor of the second group, the second hall display control panel 13 is connected to the switching device 12 of the first group.

The elevator control panel 4 is connected to the first AC power wiring 7, the first communication signal wiring 10, the first AC power wiring 7, and the first communication signal wiring 10. The elevator control board 4 is connected to the switching device 12 of the highest group via the control signal wiring 18 . For example, the elevator control board 4 is connected to the switching device 12 of the first group. The elevator control panel 4 supplies AC power to the plurality of first hall power supplies 5 via the first AC power wiring 7 . The elevator control panel 4 transmits and receives signals to and from the plurality of first hall display control panels 6 via the first communication signal wiring 10 . The elevator control panel 4 supplies AC power to the plurality of second hall power sources 11 via the second AC power wiring 14 . The elevator control panel 4 transmits and receives signals to and from the plurality of second hall display control panels 13 via the second communication signal wiring 17 .

When the hall call button 1 is pushed on each floor, the first hall display control panel 6 on the floor sends a signal indicating that the hall call has been pushed through the first communication signal wiring 10 to the elevator control panel. Send to 4. Based on the signal, the elevator control panel 4 determines that the hall call button 1 has been pressed on the floor.

When the hall call button 1 is not pressed on any floor and the supply of AC power to all of the plurality of second hall power sources 11 is cut off, the elevator control panel 4 sends the signal via the second communication signal wiring 17. to transmit a signal instructing the disconnection to the second hall display control panel 13 of the third group. On the lowest floor of the third group, the second hall display control panel transmits a cutoff signal to the switching device 12 of the fourth group through the control signal wiring 18 based on the signal. In the fourth group, the switching device 12 cuts off the connection between the second AC power wiring 14 and the second hall power supply 11 based on the cutoff signal.

After that, the elevator control panel 4 sends a signal to the second hall display control panel 13 of the second group via the second communication signal wiring 17 to instruct the shutdown. On the lowest floor of the second group, the second hall display controller control panel transmits a cut-off signal to the switching device 12 of the third group through the control signal wiring 18 based on the signal. In the third group, the switching device 12 cuts off the connection between the second AC power wiring 14 and the second hall power supply 11 based on the cutoff signal.

After that, the elevator control panel 4 transmits a signal to the second hall display control panel 13 of the first group via the second communication signal wiring 17 to instruct the disconnection. On the lowest floor of the first group, the second hall display controller control panel transmits a cut-off signal to the switching device 12 of the second group through the control signal wiring 18 based on the signal. In the second group, the switching device 12 cuts off the connection between the second AC power wiring 14 and the second hall power supply 11 based on the cutoff signal.

After that, the elevator control panel 4 transmits a cutoff signal to the switching device 12 of the first group via the control signal wiring 18 . In the first group, the switching device 12 cuts off the connection between the second AC power wiring 14 and the second hall power supply 11 based on the cutoff signal.

After that, when the hall call button 1 of the fourth group is pressed to cut off the AC power to all of the plurality of second hall power sources 11, the elevator control panel 4 sends the control signal wiring 18 to the first group. A restoration signal is transmitted to the switching device 12 . In the first group, the switching device 12 connects the second AC power wiring 14 and the second hall power supply 11 based on the restoration signal.

After that, the elevator control panel 4 transmits a signal for instructing connection to the second hall display control panel 13 of the first group via the second communication signal wiring 17 . On the lowest floor of the first group, the second hall display controller control panel transmits a restoration signal to the switching device 12 of the second group through the control signal wiring 18 based on the signal. In the second group, the switching device 12 connects the second AC power wiring 14 and the second hall power supply 11 based on the restoration signal.

After that, the elevator control panel 4 transmits a signal for instructing connection to the second hall display control panel 13 of the second group via the second communication signal wiring 17 . On the lowest floor of the second group, the second hall display controller control panel transmits a restoration signal to the switching device 12 of the third group through the control signal wiring 18 based on the signal. In the third group, the switching device 12 connects the second AC power wiring 14 and the second hall power supply 11 based on the restoration signal.

After that, the elevator control panel 4 transmits a signal for instructing connection to the second hall display control panel 13 of the third group via the second communication signal wiring 17 . On the lowest floor of the third group, the second hall display controller control panel transmits a restoration signal to the switching device 12 of the fourth group through the control signal wiring 18 based on the signal. In the fourth group, the switching device 12 connects the second AC power wiring 14 and the second hall power supply 11 based on the restoration signal.

After that, when the user gets into the second car and the destination floor of the second car is the 10th floor, the elevator control panel 4 controls the second hall display of the third group via the second communication signal wiring 17. A signal is sent to the board 13 to instruct the disconnection. On the lowest floor of the third group, the second hall display controller control panel transmits a cut-off signal to the switching device 12 of the fourth group through the control signal wiring 18 based on the signal. In the fourth group, the switching device 12 cuts off the connection between the second AC power wiring 14 and the second hall power supply 11 based on the cutoff signal.

As a result, the second AC power wiring 14 receives AC power from the elevator control panel 4 only in the third group. After that, when the car reaches the 10th floor, the hall control display control panel operates the 10th floor hall lantern, chime, etc. on the 10th floor.

Next, the essential part of the second system 3 will be described with reference to FIG.
FIG. 2 is a configuration diagram of a main part of a second system of the elevator landing power supply system according to the first embodiment.

As shown in FIG. 2, the second system 3 includes a plurality of hall power supply systems 19. The hall system 19 includes a wiring branch board 20 . The wiring branch board 20 is provided to branch the second AC power supply wiring 14, the second DC power supply wiring 16, and the second communication signal wiring 17 to each floor. On the top floor of each group, the second hall power supply 11 is provided in the hall power supply system 19 . On the top floor of each group, the switching device 12 is provided on the wiring branch board 20 .

The second hall display control panel 13 includes a control board 21. The control board 21 has a microcomputer 23 . On the lowest floor of each group, the control board 21 is provided with a platform-side determination section 22 .

On the lowest floor of each group, the platform side determination unit 22 receives a signal from the elevator control panel 4 instructing disconnection or connection. The microcomputer 23 controls the operation of the switching devices 12 of the adjacent group below based on the signal received by the boarding hall side determination section 22 .

The elevator control panel 4 includes a control panel-side determination section 24 and a control panel-side control section 25 .

The control panel-side determination unit 24 determines whether AC power is to be supplied to the second hall power supply 11 of each group. The control panel-side determination unit 24 transmits a cutoff signal or a restoration signal to the second hall display control panels 13 of groups other than the highest group based on its own determination result. The control panel side control section 25 controls the operation of the switching device 12 of the highest group based on the control panel side determination result.

According to the first embodiment described above, the second hall display control panel 13 has a switching device 12 corresponding to the second hall power supply 11 other than the second hall power supply 11 that supplies DC power to itself. to connect and disconnect the second AC power supply wiring 14 and the second hall power supply 11 . Therefore, it is possible to cut off the supply of AC power to groups that are not in use. As a result, it is possible to more reliably save energy with an inexpensive configuration.

Specifically, on the lowest floor of each group, the second hall display control panel 13 controls the operation of the switching device 12 of the adjacent group below via the control signal wiring 18 . Therefore, it is possible to reduce the number of the second hall power supplies 11 and the number of the second AC power supply wirings 14 while ensuring energy saving.

The elevator control panel 4 transmits a restoration signal to the switching device 12 of the first group via the control signal wiring 18. In the first group, the switching device 12 connects the second AC power wiring 14 and the second hall power supply 11 based on the restoration signal. Therefore, even if the supply of AC power to all the second hall power sources 11 is cut off, it is possible to restore the supply of AC power to the second hall power sources 11 without securing power. can.

The second hall power supply 11 and the switching device 12 may be provided for each of the plurality of second hall display control panels 13 . Also in this case, energy saving can be achieved more reliably.

Further, in each group, the second AC power supply wiring 14 is connected to the switching device 12 corresponding to the second hall power supply 11 other than the second hall power supply 11 that supplies direct current power to the second hall power supply 11 concerned. The second hall display control panel 13 other than the lowest floor may be selected as the second hall display control panel 13 for blocking. Also in this case, energy saving can be achieved more reliably.

Also, the second AC power wiring 14 may be connected in the order of the fourth group, the third group, the second group, and the first group. At this time, the elevator control panel 4 may control the switching device 12 of the fourth group via the control signal wiring 18 . Also in this case, energy saving can be achieved more reliably.

Next, an example of the elevator control panel 4 will be described with reference to FIG.
FIG. 3 is a hardware configuration diagram of an elevator control panel of an elevator to which the elevator landing power supply system according to Embodiment 1 is applied.

Each function of the elevator control panel 4 can be realized by a processing circuit. For example, the processing circuitry comprises at least one processor 100a and at least one memory 100b. For example, the processing circuitry comprises at least one piece of dedicated hardware 200 .

When the processing circuit includes at least one processor 100a and at least one memory 100b, each function of the elevator control panel 4 is implemented by software, firmware, or a combination of software and firmware. At least one of software and firmware is written as a program. At least one of software and firmware is stored in at least one memory 100b. At least one processor 100a implements each function of elevator control panel 4 by reading and executing a program stored in at least one memory 100b. The at least one processor 100a is also referred to as a central processing unit, processing unit, arithmetic unit, microprocessor, microcomputer, DSP. For example, the at least one memory 100b is a nonvolatile or volatile semiconductor memory such as RAM, ROM, flash memory, EPROM, EEPROM, magnetic disk, flexible disk, optical disk, compact disk, mini disk, DVD, or the like.

Where the processing circuitry comprises at least one piece of dedicated hardware 200, the processing circuitry may be implemented, for example, in single circuits, multiple circuits, programmed processors, parallel programmed processors, ASICs, FPGAs, or combinations thereof. be. For example, each function of the elevator control panel 4 is implemented by a processing circuit. For example, each function of the elevator control panel 4 is collectively realized by a processing circuit.

A part of each function of the elevator control panel 4 may be realized by dedicated hardware 200, and the other part may be realized by software or firmware. For example, the functions of the control panel side control unit 25 are realized by a processing circuit as dedicated hardware 200, and the functions other than the functions of the control panel side control unit 25 are stored in at least one memory 100b by at least one processor 100a. It may be realized by reading and executing a stored program.

Thus, the processing circuit implements each function of the elevator control panel 4 with hardware 200, software, firmware, or a combination thereof.

As described above, the elevator hall power supply system of the present disclosure can be used in an elevator system.

1 Hall call button, 2 1st system, 3 2nd system, 4 Elevator control panel, 5 1st hall power supply, 6 1st hall display control panel, 7 1st AC power supply wiring, 8 1st AC dedicated line, 9 1st DC power supply wiring, 10 1st communication signal wiring, 11 2nd hall power supply, 12 switching device, 13 2nd hall display control panel, 14 2nd AC power supply wiring, 15 2nd AC dedicated line, 16 2nd DC Power wiring, 17 Second communication signal wiring, 18 Control signal wiring, 19 Hall power supply system, 20 Wiring branch board, 21 Control board, 22 Hall side judgment part, 23 Microcomputer 24 Control board side judgment part, 25 Control board side control part , 100a processor, 100b memory, 200 hardware

Claims

a plurality of hall power supplies receiving power supply from the control panel of the elevator via each of a plurality of dedicated lines branched from the wiring;
a plurality of switching devices provided on the plurality of dedicated lines between the wiring and the plurality of hall power supplies;
each of the plurality of halls of the elevator is provided, receives power from each of the plurality of hall power sources, controls each of the plurality of hall displays provided in each of the plurality of halls, and receives power from the control panel. a plurality of hall display control panels that cause switching devices corresponding to hall power sources other than the hall power sources that supply power to themselves to connect and disconnect the wiring and the hall power sources according to instructions;
elevator landing power supply system.
The plurality of hall display control panels are provided on one floor of each of the plurality of groups in a state in which each floor of the building in which the elevator is installed is divided into a plurality of groups in the vertical direction. 2. The elevator hall power supply system according to claim 1, which is a display control panel.
The plurality of hall display control panels are adjacent to each other in the vertical direction based on instructions from the control panel when the wiring supplies power from one side to the other side in the vertical direction. 3. The elevator hall power supply system according to claim 1 or 2, wherein a switching device corresponding to a hall power supply for supplying power to the hall display control panel connected to the elevator hall is connected and cut off between the wiring and the hall power supply. .
When any one of the plurality of switching devices receives a signal instructing connection from the control panel when all of the plurality of hall power sources are cut off from the wiring, any one of the plurality of switching devices switches between the wiring and the hall power source. 4. The elevator landing power supply system according to any one of claims 1 to 3, wherein the elevator hall power supply system connects