JP2011225304A - Electric power display device for elevator, and elevator system using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To positively display the amount of power saved by an elevator to clearly show the energy saving amount to be achieved by an elevator to a manager of the elevator.SOLUTION: The electric power display device for elevator includes: a monitoring panel 1 having an energy flow display part 10 displaying the flow of energy of an electric power system of the elevator; an operation display part 3 displaying the moving condition of a car and a weight of the elevator every moment; and an energy saving display part 30 displaying the power saving amount in a control system that makes effective use of regenerative electric power while driving the car by a motor during power running of the elevator.

Description

  The present invention relates to an elevator power display device and an improvement of an elevator system using the same.

  As a conventional elevator monitoring device, an elevator monitoring device that displays the operation status of the elevator, monitors the displayed contents, manages the operation, and issues a specific operation command such as when the building or the elevator is abnormal. There is a display that can identify the presence or absence or the number of passengers in a car and digitally display the number of passengers in the car (see, for example, Patent Document 1).

  According to the elevator monitoring apparatus, the display device for displaying the elevator operation state is equipped with a means for displaying the presence or absence of the elevator passengers or the number of passengers. It can be done accurately and rescue passengers as soon as possible.

JP-A-10-231068

  However, although the elevator monitoring device can display the situation inside the car, not only the situation inside the car but also the amount of energy saving as an elevator system in the background of the recent heightened environmental awareness, etc. It was found that it lacks the viewpoint of appealing energy conservation to elevator managers.

  The present invention has been made in order to solve the above-described problems. The power of the elevator that positively displays the power saving amount of the elevator and clarifies the energy saving amount that can be achieved by the elevator to an elevator manager or the like. It is an object of the present invention to provide a display device and an elevator system using the display device.

  An elevator power display device according to the present invention includes an energy flow display unit that displays a flow of energy in an elevator power system, an operation display unit that displays a moving state of the elevator car and a weight, and a power running of the elevator. In some cases, the car is driven by a motor and includes a monitoring panel 1 having a power saving display unit for displaying the power saving amount in a control system that effectively uses regenerative power.

  Further, the elevator system according to the present invention determines whether or not the power saving amount reaches a predetermined standard. If it is determined that the power saving amount does not reach the predetermined level, the elevator system sets the elevator to an energy saving mode and operates. A mode part is provided.

  Advantageous Effects of Invention According to the present invention, it is possible to obtain an elevator power display device that can positively display the energy saving amount of an elevator and clarify the energy saving amount that can be achieved by the elevator to an elevator administrator or the like, and an elevator system using the same. it can.

It is a figure which shows the display part of the monitoring panel of the elevator by Embodiment 1 of this invention. It is a control block diagram for displaying on the monitoring board of the elevator shown in FIG. It is a flowchart which shows operation | movement of the monitoring board of the elevator shown in FIG. It is a figure which shows the display part of the monitoring panel of the elevator by Embodiment 2 of this invention.

Embodiment 1 FIG.
A first embodiment of the present invention will be described with reference to FIGS. 1 is a diagram showing a display unit of an elevator monitoring panel according to Embodiment 1 of the present invention, and FIG. 2 is a control block diagram for displaying on the elevator monitoring panel shown in FIG.

  In FIG. 1, an elevator system to be displayed by an elevator monitoring panel 1 drives a car 7 by a motor 5 (including a hoist) by powering the elevator and returns regenerative power to a power source to save energy. It is formed as follows. The elevator monitoring panel 1 includes an operation display unit 3 that displays the moving state of the elevator car 7 and the weight 9, an energy flow display unit 10 that displays the flow of energy in the power system of the elevator, and an integrated power consumption. The power display unit 20 that displays the power, the energy saving display unit 30 that displays the power saving amount in the control system that drives the car with the motor during powering of the elevator, and effectively uses the regenerative power, and the power saving amount are determined in advance. And if it is determined that the standard is not reached, the elevator has an energy saving mode display unit 50 that operates by setting the elevator in the energy saving mode, and the display unit is an LCD or the like. Is formed.

  The operation display unit 3 is formed so as to display the moving state of the car 7 and the weight 9 suspended from the hoisting machine. The energy flow display unit 10 is configured to display the flow of energy in the power system together with the main circuit unit, and the main circuit unit is configured such that the power from the converter unit 12 with regeneration is supplied to the motor 5 via the inverter unit 14. It is displayed to drive.

  The power display unit 20 displays the power consumption of the elevator in a bar graph shape. The energy saving display unit 30 displays an energy saving power amount display unit 32 that displays the amount of regenerative power returned to the power source as an energy saving amount in a bar graph form, and a CO2 reduction amount display that converts the energy saving amount into a CO2 reduction amount and displays it in a bar graph form. An energy saving target achievement display unit 36 that compares a predetermined energy saving target achievement amount with a current energy saving amount, lights up in red when not achieved, and lights up in blue when achieved. have.

  The energy saving mode unit 50 is configured to display that the elevator has shifted to the energy saving mode when the energy saving target achievement display unit 36 lights red.

  In FIG. 2, the elevator system includes a power detection unit 60, a power calculation unit 70, an energy saving mode unit 80, a load detector 85 in the car, and a control unit 90. The power detection unit 60 is configured to detect the amount of input power from the three-phase AC power supply 11 to the converter unit 12 with regeneration and to detect the amount of regenerative power flowing from the converter unit 12 with regeneration to the three-phase AC power source 11. ing. The power calculation unit 70 calculates an integrated power amount based on the detected power amount from the power detection unit 60 and displays it on the power consumption display unit 20, and integrates the regenerative power amount to save energy. In addition to displaying on the energy saving power display unit 32, the energy saving power calculating unit 74 converts the energy saving power amount into a CO2 reduction amount and displays it on the CO2 reduction amount display unit.

  The energy saving mode unit 80 is configured to determine whether or not the power saving amount reaches a predetermined standard. When it is determined that the energy saving amount does not reach, the energy saving mode setting unit 84 that operates the elevator in the energy saving mode. And have. The control unit 90 loads the means for reducing the elevator speed of the inverter unit 14 by means of the energy saving signal from the energy saving mode unit 84, means for reducing the switching frequency of the inverter unit 14 that drives the motor 5, and the full warning level of the car 7 At least one of means for reducing using the detector 85, means for reducing the full operation blocking level of the car 7, or means for extending the door closing start time is provided.

  The operation of the elevator system configured as described above will be described with reference to the flowchart shown in FIG. When the elevator starts operation, the power detection unit 60 detects the amount of input power that flows from the three-phase AC power source 11 to the converter unit 12 with regeneration, and the regeneration that flows from the converter unit 12 with regeneration to the three-phase AC power source 11. The amount of power is detected (step S101).

  Next, the integrated power amount calculation unit 72 calculates the integrated power amount based on the detected power amount from the power detection unit 60 and displays it on the power consumption display unit 20 (step S103). The power amount is integrated and displayed as the energy saving power amount on the energy saving power display unit 32, and the energy saving power amount is converted into the CO2 reduction amount and displayed on the CO2 reduction amount display unit 34 (step S105).

  The determination unit 82 determines whether or not the power saving amount reaches a predetermined standard (step S107). If it is determined that the power saving amount does not reach the predetermined amount, the energy saving operation setting unit 84 sets the elevator to the energy saving mode and sets the control unit. 90 is operated (step S109). When it is determined in step S107 that the vehicle has reached, the elevator is operated in the normal mode (step S111).

  The elevator power display device according to the first embodiment includes an operation display unit 3 that displays the moving state of the elevator car 7 and the weight 9 every moment, and an energy flow display unit that displays the energy flow of the elevator power system. 10 and a monitoring panel 1 having an energy saving display section (power saving display section) 30 for driving the car 7 by the motor 5 by the power running of the elevator and displaying the power saving amount in the control system that effectively uses the regenerative power. I have.

  Thereby, the power saving amount in the energy saving control system can be displayed on the power saving display unit 30. Therefore, since the power saving amount of the energy saving type control system can be easily visually confirmed, it is easy to appeal the energy saving effect to the manager or the like.

Embodiment 2. FIG.
A second embodiment of the present invention will be described with reference to FIG. FIG. 4 is a diagram showing a display unit of an elevator monitoring panel according to Embodiment 2 of the present invention. In FIG. 4, the same reference numerals as those in FIG. In FIG. 4, the elevator system includes a converter unit 112 without regeneration, and the storage battery 120 is connected to the output of the converter unit 112, that is, the input of the inverter unit 14, whereby the motor 5 is powered. Power is also supplied from the storage battery 120 to the motor 5 via the inverter unit 14, and regenerative power from the motor 5 is configured to be able to charge the storage battery 120 via the inverter unit 14.

  As described above, the second embodiment of the present invention is driven by the motor 5 from the three-phase AC power supply 11 and the storage battery 120 during powering of the elevator, and in the present control system that charges the storage battery 120 with regenerative power. It is provided with an energy saving display unit 30 that displays regenerative power as a power saving amount.

  Thereby, the power saving amount in the energy saving control system can be displayed on the power saving display unit 30. Therefore, since the power saving amount of the energy saving type control system can be easily visually confirmed, it is easy to appeal the energy saving effect to the manager or the like.

The features of the present invention described above are summarized as follows.
(1) The present invention includes an energy flow display unit 10 that displays the flow of energy in the power system of the elevator, an operation display unit 3 that displays the state of movement of the elevator car and the weight, and the power operation of the elevator. The car includes a monitoring panel 1 having a power saving display unit 30 that displays a power saving amount in a control system that drives a car by a motor and that effectively uses regenerative power.

  Thereby, the power saving amount in the energy saving control system can be displayed on the power saving display means. Therefore, since the power saving amount of the energy saving type control system can be easily visually confirmed, it is easy to appeal the energy saving effect to the manager or the like.

  (2) The control system is configured to drive the motor by an inverter and return the regenerative power from the motor to a power source.

  Accordingly, it is possible to visually recognize that the regenerative power of the elevator effectively contributes to energy saving by viewing the power saving display means by an administrator or the like.

  (3) The control system is configured to store the regenerative power in a storage battery, and to supply power from the storage battery to the motor when the motor is powered, and is displayed on the power saving display unit 30. The amount of electric power is electric power that supplies electric power from the storage battery to the motor.

  Therefore, it is possible to visually recognize that the power supplied from the storage battery to the motor contributes to energy saving by viewing the power saving display means by an administrator or the like.

  (4) It is determined whether or not the power saving amount reaches a predetermined standard, and when it is determined that the power saving amount is not reached, an energy saving mode unit 80 is provided that operates with the elevator set in an energy saving mode.

  According to such an elevator system, it is determined whether or not the power saving amount reaches a predetermined standard, and when it is determined that the power saving amount does not reach, the elevator is operated in the energy saving mode. Thereby, energy saving management can be appropriately performed as an elevator system.

  (5) By means of an energy saving signal from the energy saving mode section, means for reducing the speed of the elevator, means for reducing the switching frequency of the inverter that drives the motor, means for reducing the car full warning level, and the car full operation blocking level. The controller 90 includes at least one of a means for reducing or a means for extending the door closing start time.

  According to such an elevator system, it is easy to achieve energy saving by the energy saving operation means.

  1 monitoring panel, 3 operation display section, 5 winding motor, 7 cage, 9 spindles, 10 energy flow section, 30 energy saving display section, 50 energy saving mode section.

Claims (5)

An energy flow display for displaying the energy flow of the elevator's power system;
An operation display unit that momentarily displays the state of movement of the elevator car and the weight;
An elevator power display device including a monitoring panel having a power saving display unit that displays the power saving amount in a control system that drives the car with a motor during powering of the elevator and effectively uses regenerative power. In the elevator electric power display device according to claim 1,
The control system is configured to drive the motor by an inverter and to return the regenerative power from the motor to a power source. In the elevator electric power display device according to claim 1,
The control system is configured to store the regenerative power in a storage battery, and to supply power from the storage battery to the motor when the motor is powered.
The power saving amount displayed on the power saving display unit is power for supplying power from the storage battery to the motor. In the elevator electric power display device according to any one of claims 1 to 3,
It is determined whether or not the power saving amount reaches a predetermined standard, and if it is determined that the power saving amount is not reached, an energy saving mode unit configured to operate with the elevator set in an energy saving mode is provided. Elevator system. The elevator system according to claim 4,
Means for reducing the speed of the elevator by means of an energy saving signal from the energy saving mode section, means for reducing the switching frequency of the inverter that drives the motor, means for reducing the full warning level of the car, full operation of the car An elevator system comprising a controller having at least one of a means for reducing a blocking level or a means for extending a door closing start time.

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