Sealed type electric compressor

An electric compressor, hermetically sealed technology, used in machines/engines, liquid fuel engines, mechanical equipment, etc., can solve the problems of short working life, shape restriction of glass terminal pressure vessels, increase of signal lines, etc., to achieve effective heat transfer area The effect of enlargement, miniaturization and capability enhancement

Inactive Publication Date: 2006-01-18
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these communication devices have problems such as short working life compared to the electrical insulation, vibration, temperature environment, and dusty installation environment of the compressor.
In addition, if the same glass terminal type signal terminal as the sealed power supply terminal is provided, the number of signal lines will increase, and there will be p

Method used

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  • Sealed type electric compressor
  • Sealed type electric compressor
  • Sealed type electric compressor

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0036] (Example 1)

[0037] figure 1 It is a sectional view of the hermetic electric compressor in Embodiment 1 of the present invention, figure 2 It is a sectional view showing the detailed structure of the motor drive assembly of the hermetic electric compressor, image 3 (a) is a cross-sectional view showing the detailed structure of the vicinity of the communication device of the hermetic electric compressor, image 3 (b) is a plan view showing the detailed structure of the communication device of the hermetic electric compressor.

[0038] The hermetic electric compressor 10 is a low-pressure compressor, and an upper casing 51 and a lower casing 52 constitute a hermetic container. The sealed container is provided with: a compression part 11 , a motor 12 , and a motor drive assembly 13 . The motor drive assembly 13 is provided in the uppermost part of the sealed container for supplying power to the motor 12 and controlling its operation. The upper case 51 and the low...

Example Embodiment

[0054] (Example 2)

[0055] through the following Figure 5 The hermetic-type electric compressor in Embodiment 2 of the present invention will be described. Here, the same reference numerals are used for the same components as those in Embodiment 1, and the repeated description thereof will be omitted. In addition, since the operations other than the communication device 22 are basically the same as those in the first embodiment, the detailed description thereof is also omitted.

[0056] Figure 5 It is a cross-sectional view of the detailed structure of the communication device 22 installed in the upper casing 51 . In Embodiment 2 of the present invention, the communication method in the communication device 22 adopts the electromagnetic field signal method, which includes: an input and output terminal located on the side of the motor drive assembly 13 for sending / receiving control signals in the form of electromagnetic field signals That is, an internal transmitting / recei...

Example Embodiment

[0060] (Example 3)

[0061] through the following Image 6 , 7 and 8 to describe the hermetic electric compressor in Embodiment 3 of the present invention. In Embodiment 3 of the present invention, the communication method of the communication device 22 adopts the vibration signal transmission method. Among them, the same components as those in Embodiment 1 are denoted by the same symbols, and the repeated description thereof will be omitted. In addition, since the operations other than the communication device 22 are basically the same as those in the first embodiment, the detailed description thereof is also omitted.

[0062] Image 6 A detailed cross-sectional view of the communication device 22 mounted on the upper case 51 in Embodiment 1 of Embodiment 3 is shown in FIG. The communication device 22 includes: an input / output terminal (that is, an internal sending / receiving terminal) 103 of the motor drive assembly 13 capable of sending / receiving control signals in the ...

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PUM

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Abstract

To provide a hermetic electric compressor making an outdoor unit compact by storing a drive circuit unit in a hermetic vessel and surely performing transmission and reception of signals with outside.a compressor unit (11); a motor (12); and a motor driving module (13) having a power unit and a control unit, for operating the motor (12), wherein the compressor unit (11), the motor (12) and the motor driving module (13) are accommodated in the sealed vessel. The sealed type electric compressor allows the size of an outdoor unit to be reduced by accommodating the motor driving unit in the sealed vessel and reliably performs a signal transmitting/receiving operation to/from an exterior.

Description

technical field [0001] The present invention relates to a hermetic electric compressor installed in a refrigerating device or an air conditioner, more specifically, to a hermetic electric compressor in which a motor drive assembly for controlling the operation of the motor is installed in a hermetic container. Background technique [0002] In recent years, there has been an increasing demand for small size and energy-saving performance of home air conditioners and the like. Therefore, in the outdoor unit constituting a part of the air conditioner, it is necessary to increase the heat transfer area of ​​the outdoor heat exchanger to improve efficiency, and at the same time to reduce the size of the outdoor unit. On the other hand, compressors installed in outdoor units are also required to be compact and high-performance. [0003] In an air conditioner using an AC mains power supply and using a compressor driven by an inverter, the drive circuit unit for the compressor is pr...

Claims

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Application Information

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IPC IPC(8): F04B49/06F04C28/00H04Q7/22F24F11/00
CPCF04C18/0215F04C2240/808F04C23/008F04C2240/30F04C2240/803F04C2270/90
Inventor 小川正则吉椿纪史
Owner PANASONIC CORP
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