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Electric compressor circuit anti-vibration structure

A technology of electric compressors and compression mechanisms, which is applied in the direction of machines/engines, mechanical equipment, pump combinations for elastic fluid rotary piston type/swing piston type, etc., which can solve the problems of being easily affected by vibration, large volume of electronic devices, Problems such as heavy weight

Active Publication Date: 2017-12-15
三电株式会社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These electronic devices are bulky, heavy, and have a high height from the mounting surface of the circuit board. The end part on the side away from the board uses the supporting part on the board as a fulcrum and tends to vibrate greatly, and is easily affected by vibration.

Method used

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  • Electric compressor circuit anti-vibration structure
  • Electric compressor circuit anti-vibration structure
  • Electric compressor circuit anti-vibration structure

Examples

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Embodiment Construction

[0029] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0030] figure 1 An outline of the appearance of an electric compressor according to an embodiment of the present invention is shown. figure 1 Among them, in the electric compressor 1, a compression mechanism 3 is housed in casings 2A, 2B, and 2C that are formed by being divided into three and connected in series, and a motor 4 that drives the compression mechanism 3 and controls the driving of the motor 4 are housed, respectively. The outer side opening of the casing 2C (inverter case) is sealed by the cover member 6 .

[0031] The circuit 5 includes an inverter, a smoothing capacitor 15 for smoothing the power supplied to the inverter, and a noise filter 14 for removing noise, for example figure 2 structure shown.

[0032] figure 2 Among them, the output from the circuit 5 supplies power to each motor winding 4 a of the motor 4 through the sealed terminal 11 , so...

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PUM

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Abstract

The present invention provides an anti-vibration structure of a circuit. In an inverter-integrated electric compressor, by focusing on strengthening the parts with high strengthening effect, the compressor can be lightweight, improved in productivity, and reduced in cost. . It is characterized in that, in a circuit anti-vibration structure of an electric compressor used in a vehicle air conditioner, which is integrally provided with an electric motor for driving a compression mechanism and a circuit for controlling the driving of the electric motor, the necessary components mounted on the substrate of the circuit are The end of the anti-vibration electronic device on the side away from the substrate is fixed to a part of the device close to the end by an adhesive (25). This ensures vibration resistance, reduces the amount of adhesive used, and reduces the weight of the compressor, improves productivity, and reduces costs compared to the case where resin molding is used.

Description

technical field [0001] The present invention relates to an anti-vibration structure of a circuit in an electric compressor that is used in a vehicle air conditioner and integrally includes a motor for driving a compression mechanism and a circuit for controlling the drive of the motor. Background technique [0002] Among electric compressors used in vehicle air conditioners, there is known an electric compressor that converts DC current from a battery into AC current with an inverter and controls power supply to a motor for driving a compression mechanism, and assembles a motor that includes The circuit board of the inverter circuit is accommodated in the compressor casing. [0003] Such an inverter-integrated electric compressor includes electronic components such as a noise filter for removing noise from the power supplied from an external power supply, and a smoothing capacitor for smoothing the power supplied to the inverter. . These electronic devices are bulky, heavy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B39/00
CPCF04B35/04F04C23/008F04B39/121F04B39/14F04C2240/808F04C2270/12
Inventor 嶋俊匡大里一三
Owner 三电株式会社
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