Running vehicle system and non-contact power supply method for running vehicle

A non-contact power supply and driving vehicle technology, applied in the field of driving vehicle systems, can solve problems such as Joule heating and power consumption

Inactive Publication Date: 2011-06-01
MURATA MASCH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Here, the inventors focused on the fact that, in the system of Patent Document 1, current is always supplied from the ground-side power supply to the non-contact power feeding line, and due to Joule heat generated by the current flowing through the non-contact power feeding line, , always power consumption

Method used

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  • Running vehicle system and non-contact power supply method for running vehicle
  • Running vehicle system and non-contact power supply method for running vehicle
  • Running vehicle system and non-contact power supply method for running vehicle

Examples

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Embodiment Construction

[0063] The best examples for carrying out the present invention are shown below. The scope of the present invention should be determined according to the description of the claims, with reference to the description in the specification and known technologies in the field, and according to the understanding of those skilled in the art.

[0064] Figure 1 to Figure 7 The traveling vehicle system 2 of the exemplary embodiment and its variants are shown in . Reference numeral 4 is a traveling vehicle, which is a tower crane of an automatic warehouse here, but it may also be a bridge crane, or a rail trolley traveling on the ground through a rail track. Reference numeral 6 is the trolley of the traveling vehicle 4, which makes the lifting platform 8 go up and down along the column 10, and the article is transferred between the shelf 25 and the like through the sliding fork 12 on the lifting platform 8. Reference numeral 14 is a driving motor, which makes the trolley 6 travel, and...

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Abstract

The invention provides a running vehicle system and a non-contact power supply method for running vehicles. A power supply and a non-contact power supply line are arranged at the ground side. The running vehicle is equipped with a power-receiving unit for receiving power from the non-contact power supply line, a load for consuming power, a power storage unit for storing the electric power obtained from the power-receiving unit and the regeneration electric power obtained from the load. The load is also provided with electric power by the power storage unit. Meanwhile, the running vehicle system is equipped with a control mechanism. The control mechanism is used to hold the charge capacity of the power storage unit and the required energy of the load. In addition, when the required energy of the load is maintained by the charge capacity of the power storage unit, the power supply to the non-contact power supply line is stopped by the control mechanism.

Description

technical field [0001] The present invention relates to a traveling vehicle system, in particular to non-contact power supply to a traveling vehicle. Background technique [0002] A system is known that performs non-contact power supply to a traveling vehicle such as a tower crane, and provides a power storage unit such as a capacitor on the traveling vehicle to support the non-contact power supply (Patent Document 1: JP2008-081219A). Non-contact power supply can avoid dust generation caused by contact between the power supply line and the contact wheel, etc., and the power storage unit stores the regenerative power from the traveling vehicle, and stabilizes the power required for the non-contact power supply line, thereby, Miniaturization of the ground side power supply and the power receiving unit of the traveling vehicle. [0003] Here, the inventors focused on the fact that, in the system of Patent Document 1, current is always supplied from the ground-side power supply...

Claims

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Application Information

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IPC IPC(8): B60M1/30H02J17/00B60L3/00B60L5/00B60M7/00B65G1/04
CPCY02T90/122B60L7/14B60L50/40B60L50/51B60L2210/30B60L2240/12B60L2240/421B60L2240/423B60L2240/545B60L2240/547B60L2240/549Y02T10/64Y02T10/70Y02T10/72B60L3/0046B60L5/005H02J50/10
Inventor 葛谷基彦
Owner MURATA MASCH LTD
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