JP2015093754A - Elevator-power-supply control device and elevator-power-supply control method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an elevator-power-supply control device capable of actuating an elevator to drive an elevator car even if power outage occurs during elevator maintenance work.SOLUTION: Provided is an elevator-power-supply control device including an actuation rechargeable battery for supplying power to a hoist motor to drive an elevator car if power outage occurs during normal operation, comprises: a maintenance switch for indicating whether elevator maintenance work is underway; and a power-supply control unit for controlling the actuation rechargeable battery to supply power to the hoist motor if it is detected that power outage occurs to a commercial power supply while the maintenance switch indicates that the elevator maintenance work is underway.

Description

  The present invention relates to an elevator power supply control device and a power supply control method in consideration of elevator maintenance work.

  Conventionally, an uninterruptible power supply that supplies power in the event of a power failure in the commercial light source, a car power failure light that lights up when the power source of the commercial light source fails, and an in-car power failure light that lights up in the event of a power failure in the commercial light source And a switch for switching the supply destination of the compensation power from the uninterruptible power supply from the in-car power cut-off light to the car power cut-off light in conjunction with the operation mode switching operation for switching from the automatic operation mode to the maintenance operation mode. A lighting apparatus during a power failure is known (see, for example, Patent Document 1).

  In addition, recent elevators are equipped with an automatic landing device that automatically lays the car on the nearest floor in the event of a power failure, and was equipped with an automatic landing device in the event of a power failure during normal operation. The storage battery for operation supplies power to the hoisting motor until the car reaches the nearest floor.

Japanese Patent Laid-Open No. 10-17229

However, the prior art has the following problems.
In other words, the function of the automatic landing device is stopped during the maintenance work of the elevator, so if a power failure occurs while the maintenance staff is on the car or in the pit, the lighting will be secured, but the elevator will There is a problem that the car cannot be started after being started.

  The present invention has been made to solve the above-described problems, and is an elevator that can start an elevator and drive a car even when a power failure occurs during maintenance work of the elevator. An object is to obtain a power supply control device and a power supply control method.

  An elevator power control apparatus according to the present invention is provided with an operation storage battery for supplying power to a hoist motor and driving a car when a power failure occurs during normal operation. When a maintenance switch indicating whether or not the elevator maintenance is in progress and the maintenance switch indicates that the elevator maintenance is in progress, and when detecting that the commercial power supply has failed, And a power control unit for supplying power to the hoisting motor from the operation storage battery.

  Also, the elevator power control method according to the present invention provides an elevator power supply provided with an operation storage battery for supplying power to the hoist motor and driving the car when a power failure occurs during normal operation. An elevator power control method realized by a control device, comprising: detecting an elevator maintenance operation; detecting a commercial power failure; and an elevator maintenance operation. When the commercial power supply fails, the power supply from the operation storage battery to the hoisting motor is supplied.

According to the elevator power control apparatus according to the present invention, the power control unit is configured to use a commercial switch when the maintenance switch indicating whether or not the elevator maintenance operation is being performed indicates that the elevator maintenance operation is being performed. When it is detected that the power supply has failed, power is supplied from the storage battery for operation to the hoisting motor.
Further, according to the elevator power control method according to the present invention, the step of detecting that the elevator is being maintained, the step of detecting that the commercial power supply has been cut off, and the elevator being maintained When the commercial power supply fails, the power supply from the operation storage battery to the hoisting motor is supplied.
Therefore, even when a power failure occurs during the maintenance work of the elevator, it is possible to obtain an elevator power control device and a power control method capable of starting the elevator and driving the car.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block configuration diagram showing an entire system including an elevator power control apparatus according to Embodiment 1 of the present invention. It is a flowchart which shows operation | movement of the power supply control part in the power supply control apparatus of the elevator which concerns on Embodiment 1 of this invention.

  Hereinafter, preferred embodiments of an elevator power control apparatus and power control method according to the present invention will be described with reference to the drawings. In the drawings, the same or corresponding parts will be described with the same reference numerals. .

Embodiment 1 FIG.
FIG. 1 is a block configuration diagram showing the entire system including an elevator power control apparatus according to Embodiment 1 of the present invention. In FIG. 1, the elevator power control device includes an operation storage battery 11, a maintenance switch 12, a first battery 13, a second battery 14, a hoisting motor 21, a car notification part 22, a speaker (notification part) 23, a car. An upper emergency light 24 and a power supply control unit 30 are provided.

  Here, the storage battery 11 for operation | movement, the power supply control part 30, and the hoisting motor 21 are provided in the machine room of the elevator. Further, the maintenance switch 12, the on-car notification unit 22 and the on-car emergency light 24 are provided on a car (not shown). The first battery 13 and the second battery 14 are provided outside the car, and the speaker 23 is provided in the car. In addition, the power supply control part 30 may be incorporated in the control panel of an elevator.

  The operation storage battery 11 constitutes an automatic landing device for automatically landing the car on the nearest floor in the event of a power failure. When a power failure occurs during normal operation, the storage battery 11 supplies power until the car reaches the nearest floor. The hoisting motor 21 is supplied. As a result, the car is driven.

  The maintenance switch 12 includes, for example, an operation switch, an automatic manual switch, and an automatic door opening / closing switch, and indicates whether or not the elevator is under maintenance work (maintenance work mode). Specifically, for example, when the operation switch is switched to stop, the automatic manual switch is switched to manual, and the door automatic opening / closing switch is switched off, it is determined that the maintenance work mode is set.

  The first battery 13 is provided in the car and supplies power when a power failure occurs to an in-car notification unit (not shown) that communicates with the outside. The second battery 14 supplies power to a car emergency light (not shown) provided in the car when a power failure occurs. Here, the first battery 13 and the second battery 14 are batteries having a significantly smaller capacity than the operation storage battery 11 that drives the hoist motor 21.

  The on-car reporting unit 22 is a device for communicating with the outside at the time of a power failure, and has headphones and a microphone. The on-car notification unit 22 can be used when the maintenance switch 12 is switched to the maintenance work mode. The speaker 23 notifies the outside of the car that a power failure has occurred during the maintenance work of the elevator. Further, the car emergency light 24 is turned on at the time of a power failure, and illuminates, for example, the surroundings including the car notification part 22. Here, the speaker 23 may be provided in the machine room.

  When the maintenance switch 12 indicates that it is in the maintenance work mode, the power supply control unit 30 winds from the operation storage battery 11 when detecting that a commercial power source (not shown) (eg, AC 100V) has failed. The upper motor 21 is supplied with power. Here, the power supply control unit 30 detects that a power failure has occurred when supply of commercial power is interrupted.

  By supplying power to the hoist motor 21 from the operation storage battery 11, the car can be moved at a slower speed than when it is manually moved while braking the brake, for example. That is, even when a power failure occurs during the maintenance work of the elevator, the elevator can be started from the car and the car can be driven. At this time, for example, an alarm sound may be emitted from the speaker 23, or a restriction may be imposed such that the car is stopped when the car moves for a predetermined time of, for example, several seconds.

  Further, when the power control unit 30 indicates that it is in the maintenance work mode, the power control unit 30 causes the first battery 13 to supply power to the car notification unit 22 when detecting that the commercial power supply has failed. At this time, the power control unit 30 may supply power from the first battery 13 to the speaker 23 to notify the outside of the car.

  Further, when the power supply control unit 30 indicates that the maintenance work mode is indicated, the power supply control unit 30 supplies power from the second battery 14 to the car emergency light 24 when it detects that the commercial power supply has failed.

  Further, when the power supply control unit 30 indicates that it is in the maintenance work mode, the power supply control unit 30 supplies power from the second battery 14 to the car emergency light 24 when detecting that the commercial power supply has failed. Alternatively, instead of supplying power from the second battery 14 to the car emergency light 24, power may be supplied from the operation storage battery 11 to the car emergency light 24.

  Further, when the power supply control unit 30 indicates that it is in the maintenance work mode, when the commercial power supply detects a power failure, the power supply unit 30 supplies the mobile phone charging power from the operation storage battery 11 to the car. Sesaru.

  Here, the operation of the power supply control unit 30 will be described in detail with reference to the flowchart of FIG. FIG. 2 is a flowchart showing an operation of power supply control unit 30 in the elevator power supply control apparatus according to Embodiment 1 of the present invention. The process of FIG. 2 shows an operation when power is not supplied from the operation storage battery 11 to the hoist motor 21 when a power failure occurs in the maintenance work mode. Further, the process of FIG. 2 is repeatedly executed at a predetermined cycle.

  First, the power supply control unit 30 detects that the maintenance switch 12 has been switched to enter the maintenance work mode (step S1). Here, as described above, when the operation switch is switched to stop, the automatic manual switch is switched to manual, and the door automatic opening / closing switch is switched off, the maintenance work mode is set.

  Subsequently, the power supply control unit 30 switches the power supply destination of the second battery 14 from the car emergency light to the car emergency light 24 (step S2). Here, the emergency light 24 on the car is not turned on yet.

  Next, the power supply control unit 30 determines whether or not a power failure has occurred (step S3). Here, as described above, the power supply control unit 30 determines that a power failure has occurred when the supply of commercial power is interrupted.

  In step S3, when it is determined that a power failure has occurred (that is, Yes), the power supply control unit 30 supplies power from the second battery 14 to the car emergency light 24 so that the car emergency light 24 is turned on. Turn on (step S4). Thereby, the illumination on the cage can be ensured.

  Subsequently, the power control unit 30 supplies power from the first battery 13 to the car reporting unit 22 to communicate with the outside (step S5). Specifically, the maintenance staff uses the in-car notification unit 22 to stop power for a customer outside the car or the management room of the building, or to the information center by a remote monitoring device during maintenance work on the elevator. Notify that it has occurred. Thereby, it can communicate with the exterior from the cage | basket | car, and it can implement | achieve maintenance safety and early rescue.

  When the on-car reporting unit 22 is not provided or when there is a restriction on providing the on-car reporting unit 22, the power supply control unit 30, for example, “maintenance work” outside the car via the speaker 23. “Please contact the maintenance company.” In addition, the power supply control unit 30 may transmit a message such as “a power failure occurred during maintenance work” to the information center. Thereby, it can communicate with the exterior from the cage | basket | car, and it can implement | achieve maintenance safety and early rescue.

  Next, for example, the power supply control unit 30 supplies power from the second battery 14 to the car emergency light 24 over an arbitrarily set predetermined time, and then supplies power to the car emergency light 24 from the operation storage battery 11. After the supply (step S6), the process of FIG. 2 is terminated. Here, the storage battery 11 for operation has a sufficiently large capacity as compared with the second battery 14, and therefore it is possible to ensure illumination on the car for a long time.

  The power supply control unit 30 may supply power for charging the mobile phone from the operation storage battery 11 onto the car. Thereby, the battery of the mobile phone can be prevented from running out. Specifically, it is conceivable to provide a connector for charging a mobile phone on the car.

  On the other hand, if it is determined in step S3 that no power failure has occurred (that is, No), the processing in FIG.

As described above, according to the first embodiment, the power supply control unit has a commercial switch when the maintenance switch indicating whether or not the elevator maintenance operation is being performed indicates that the elevator maintenance operation is being performed. When it is detected that the power supply has failed, power is supplied from the storage battery for operation to the hoisting motor.
Therefore, even when a power failure occurs during the maintenance work of the elevator, it is possible to obtain an elevator power control device and a power control method capable of starting the elevator and driving the car.

  DESCRIPTION OF SYMBOLS 11 Storage battery for operation | movement, 12 Maintenance switch, 13 1st battery, 14 2nd battery, 21 Hoisting motor, 22 Car top notification part, 23 Speaker (notification part), 24 Car emergency light, 30 Power supply control part

Claims (7)

When a power failure occurs during normal operation, the power supply control device for an elevator provided with a storage battery for operation to supply power to the hoisting motor and drive the car,
A maintenance switch that indicates whether the elevator is undergoing maintenance,
When the maintenance switch indicates that the elevator is being maintained, a power supply control unit that supplies power to the hoisting motor from the operation storage battery when it detects that a commercial power supply has failed. When,
Elevator power supply control device. A first battery that supplies power to the in-car notification unit that is provided in the car and communicates with the outside when a power failure occurs;
A car informing unit for communicating with the outside in the event of a power failure;
When the maintenance switch indicates that the elevator is undergoing maintenance work, the power supply control unit detects from the first battery to the on-car notification unit when it detects that the commercial power supply has failed. The elevator power supply control device according to claim 1, wherein power is supplied. A first battery that supplies power to the in-car notification unit that is provided in the car and communicates with the outside when a power failure occurs;
A notification unit for notifying the outside of the car that a power failure has occurred during maintenance work of the elevator,
The power control unit supplies power from the first battery to the notification unit when it detects that the commercial power supply has failed when the maintenance switch indicates that the elevator is undergoing maintenance work. The elevator power supply control device according to claim 1, wherein the elevator power supply device is supplied and notified outside the car. A second battery that supplies power to a car emergency light provided in the car when a power failure occurs;
An emergency light on the car that is provided on the car and lights up in the event of a power failure,
When the maintenance switch indicates that the elevator is undergoing maintenance work, the power control unit detects from the second battery that the emergency power is on the car when detecting that the commercial power supply has failed. The power supply control device for an elevator according to any one of claims 1 to 3, wherein power is supplied. When the maintenance switch indicates that the elevator is undergoing maintenance work, the power control unit detects from the operation power storage battery that the emergency power is on the car when detecting that the commercial power supply has failed. The elevator power supply control device according to any one of claims 1 to 4, wherein power is supplied. The power supply control unit, when the maintenance switch indicates that the elevator is under maintenance work, when detecting that the commercial power supply has failed, the power supply for charging the mobile phone from the operation storage battery The elevator power supply control device according to any one of claims 1 to 5, wherein the power is supplied to the car. This is an elevator power control method realized by an elevator power control device provided with an operation storage battery for supplying power to a hoisting motor and driving a car when a power failure occurs during normal operation. And
Detecting that the elevator is undergoing maintenance work;
Detecting that the commercial power supply has failed;
When indicating that the elevator is under maintenance work, when the commercial power supply fails, supplying power from the operation storage battery to the hoisting motor;
A method for controlling the power supply of an elevator.

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