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Inverter unit

An inverter and control room technology is applied in the field of inverter devices to ensure waterproofness, simple installation and simple operation.

Active Publication Date: 2018-02-23
FUJI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, if the distribution cables are laid so as to pass through the through-holes in this way, there is a possibility that rainwater entering the cooling chamber may enter the control room along the distribution cables.

Method used

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Examples

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Embodiment Construction

[0027] Next, preferred embodiments of the inverter device of the present invention will be described in detail with reference to the drawings.

[0028] Figure 1 ~ Figure 4 Each shows an inverter device according to an embodiment of the present invention, figure 1 is a stereogram, figure 2 main view, image 3 It is an explanatory diagram showing the case of observing the longitudinal cross-sectional shape from obliquely above, Figure 4 for will image 3 An explanatory diagram showing enlarged representation of main parts in . The inverter device 1 exemplified here converts AC power supplied from a commercial power supply into AC power of a desired frequency and voltage, and outputs it.

[0029] In the inverter device 1, a control room 10a is defined by a front cover 11, a rear cover (cover member) 12, a pair of left and right side covers 13, a top plate 14, and a bottom plate 15. On the other hand, the rear cover 12 It is divided from the frame 16 to form a heat dissip...

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PUM

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Abstract

In the inverter device (1) of the present invention, the control room (10a) and the cooling room (10b) are arranged side by side in a form adjacent to each other, and the control room (10a) accommodates various control circuit devices and ensures waterproofness, The heat dissipation chamber (10b) accommodates heat dissipation equipment for cooling the internal environment of the control chamber (10a), and is partially opened to the outside. The inverter device (1) has a cylindrical grommet member (20), and the A part of the grommet member (20) is inserted into the through hole (12a) of the back cover (12) between the control chamber (10a) and the heat dissipation chamber (10b), and between the control chamber (10a) and the heat dissipation chamber (10b) The wiring cables (C) connected between pass through the hollow part (20a), and the grommet member (20) includes a base part (21) and a guide part (22), and the base part (21) is formed by passing through the through hole (12a ) state is installed in the through hole (12a), the base end portion (221) of the guide portion (22) extends from the base portion (21) toward the heat dissipation chamber (10b), and is continuous with the base end portion (221) (222) Curved downwards.

Description

technical field [0001] The invention relates to an inverter device. Background technique [0002] Conventionally, in an inverter device that drives a load by receiving AC power from a commercial AC power source, etc., converting it into AC power of an arbitrary frequency and voltage and outputting it to drive a load, a control room and a cooling room are provided by combining frames and covers. The control room mainly accommodates various control circuit devices, and the heat dissipation chamber mainly houses heat dissipation equipment for cooling the internal environment of the control room, and the control room and the heat dissipation chamber are arranged side by side in a state of being adjacent to each other. [0003] Furthermore, the control room is waterproofed due to its characteristics, thereby ensuring waterproofness. On the other hand, the heat dissipation chamber forms a structure for introducing outside air, and a part thereof is opened to the outside. [0004...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M7/00H05K7/00H05K7/20
CPCH05K7/20918H02M7/003H05K7/14322
Inventor 福地瞬
Owner FUJI ELECTRIC CO LTD
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