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Inverter module

An inverter and molding technology, which is applied in the direction of converting irreversible DC power input into AC power output, converting equipment structural parts, converting AC power input into DC power output, etc., can solve the problem of expanding the installation space, etc. Achieve the effect of reducing the installation space and ensuring the insulation distance

Inactive Publication Date: 2005-11-02
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] However, in such an air conditioner, the switch 102 is not limited to a command to open the switch 102 from a control device not shown, and the closed state of the switch 102 may not be changed due to welding.
Therefore, in the past, voltage dividing resistors were installed before and after the switch 102, and the welding of the switch 102 was confirmed by detecting the terminal voltage of the related voltage dividing resistors; however, the installation space was enlarged by installing the voltage dividing resistors.

Method used

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Embodiment Construction

[0017] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. figure 1 A power supply circuit diagram showing an embodiment of an air conditioner for an electric vehicle equipped with an inverter module 35 of the present invention, figure 2 A perspective view showing the inverter module 35 of the present invention.

[0018] exist figure 1 Among them, 1 is the main storage battery of the electric vehicle, and the electric compressor 10 of the air conditioner is supplied to the electric compressor 10 of the air conditioner through the inverter device 8 composed of the switch 2 or the charging circuit 7, the capacitor 30, the discharge resistor 31 and the inverter module 35 of the present invention, etc. Provides DC power. Although the DC voltage is output from the battery 1 described above, a voltage converted into a three-phase analog AC by an inverter module 35 described later is supplied to the electric compressor 10...

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Abstract

An object is to provide an inverter module capable of reducing installation space, and in summary, the inverter module comprises a switching element group provided in a mold package to convert a DC voltage into a three-phase pseudo AC voltage by switching, wherein resistors to detect voltages before and after a switch connected in serial to a DC power source are integrally molded into the mold package, and wherein there are provided pins to connect the resistors before and after the switch, and pins to output terminal voltages of the resistors.

Description

technical field [0001] The present invention relates to an inverter module in which a switching element group for converting a DC voltage into a three-phase analog AC voltage by switching is provided in a mold package. Background technique [0002] In recent years, air conditioners equipped with electric compressors driven by batteries have been developed as air conditioners for electric vehicles. like image 3 As shown, the air conditioner includes a storage battery (DC power supply) 101, a switch 102 as a switching device connected in series to the storage battery 101, a charging device 111 connected in parallel to the switch 102 and composed of a resistor 104 and a switch 103, and an inverter. The module 105, the capacitor 106 and the electric compressor 110 are constituted. [0003] The above-mentioned inverter module 105 is constituted by molding a switching element group 112 including a switching element 114 and a diode (not shown) for absorbing switching shock in a m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/00H02M7/48
CPCH02M7/003
Inventor 佐佐木重晴
Owner SANYO ELECTRIC CO LTD
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