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Upper casing for micro compressor and micro compressor with upper casing

A technology for compressors and shells, which is applied in the field of compressors, can solve problems such as difficulty in ensuring electrical safety distance, low structural strength of insulating parts, and poor implementation, and achieve the effects of reducing processing costs, reducing processing difficulty, and improving reliability

Inactive Publication Date: 2016-10-12
GUANGDONG MEIZHI COMPRESSOR +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the integrated structure, the structural strength of the insulating part is low, it is difficult to guarantee the electrical safety distance, and the processability is poor, which leads to poor implementability of the structure

Method used

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  • Upper casing for micro compressor and micro compressor with upper casing
  • Upper casing for micro compressor and micro compressor with upper casing
  • Upper casing for micro compressor and micro compressor with upper casing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Such as Figure 1-Figure 3 As shown, the upper housing 100 for a micro compressor according to the embodiment of the present invention includes: a top wall 1, a first side wall 2, a second side wall 3 and a transition section 4, and the first side wall 2 surrounds the top wall 1 The second side wall 3 is connected to the first side wall 2 through a transition section 4, and the transition section 4 is formed as a straight line section. Wherein, the upper end of the transition section 4 is connected with the first side wall 2 , and the lower end of the transition section 4 is connected with the second side wall 3 . The top wall 1 is connected with the first side wall 2 through the second arc surface 5 . The cross-sectional shape of the upper case 100 is circular, and the cross-sectional shape of the second side wall 3 is circular. There is a plane portion 21 on the first side wall 2, and the plane portion 21 is formed on the second arc surface 5, and the communication ...

Embodiment 2

[0075] Such as Figure 4 As shown, the structure of this embodiment is substantially the same as that of Embodiment 1, wherein the same components use the same reference numerals, and the difference is that in Embodiment 1, the flange 111 is vertical Extending downward, the flange 111 in this embodiment extends vertically upward from the side wall of the terminal mounting hole 11 .

[0076] Specifically, refer to Figure 4 , the flange 111 extends vertically upward from the side wall of the terminal mounting hole 11, and the chamfer 12 transitions between the inner surface of the top wall 1 and the flange 111, and the chamfer 12 is formed from the side wall of the terminal mounting hole 11 to the The outer surface of the flange 111 and the outer surface of the top wall 1 are connected by the first arc surface 13 . Thereby, it is convenient to sinter the insulator 6 in the connection terminal installation hole portion 11 , so that it is convenient to install the connection te...

Embodiment 3

[0078] Such as Figure 5 As shown, the structure of this embodiment is substantially the same as that of Embodiment 1, wherein the same components use the same reference numerals, the difference is that the outer peripheral surface 1111 of the flange 111 in Embodiment 1 is formed into a cylindrical shape, and this embodiment The outer peripheral surface 1111 of the burring 111 is formed in a conical shape.

[0079] Specifically, the cone angle of the cone is θ 1 , θ 1 Satisfy: 01 ≤45°. Thus, the processing difficulty of the flange 111 is further reduced, thereby further reducing the processing cost.

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Abstract

The invention discloses an upper casing for a micro compressor and the micro compressor with the upper casing. The upper casing for the micro compressor comprises a top wall and a first side wall, wherein at least two circular connection terminal mounting hole parts which are perforated are formed in the top wall, and a flange is arranged on the side wall of each of the connection terminal mounting hole parts; chamfering transition is formed between the top wall and the flange; the first side wall is arranged around the top wall; the surface of one side, towards a bending direction, of the flange is connected with the top wall through a first circular arc surface, wherein the radius of the first circular arc surface is r, the maximum thickness of the flange is t, the thickness of the top wall is T, the bore diameter of each of the connection terminal mounting hole parts is d, the height of the flange is h, and h, r, t, T and d meet an equation that h is greater than or equal to t or smaller than or equal to (r+d*T / t ). According to the upper casing for the micro compressor, disclosed by the invention, an electrical safe distance is guaranteed, the structural strength of insulating parts is greatly improved, and the reliability of the upper casing is improved. In addition, the processing difficulty is also effectively reduced, and the processing cost is reduced.

Description

technical field [0001] The invention relates to the technical field of compressors, in particular to an upper casing for a micro compressor and a micro compressor with the same. Background technique [0002] In the related art, a compressor such as a micro compressor includes a housing and a liquid accumulator. The housing includes an upper housing, a main housing and a lower housing. The upper housing is provided with a wiring terminal installation hole, and the wiring terminal is arranged in the wiring terminal installation hole through an insulator. In the micro-compressor, in order to improve the space utilization of the housing, the insulating part is usually directly sintered in the terminal installation hole of the upper housing, so that the terminal and the upper housing form an integral structure. However, in the integrated structure, the structural strength of the insulating part is low, it is difficult to guarantee the electrical safety distance, and the processa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C29/00
CPCF04C29/00F04C2240/30
Inventor 康晓虎高斌方智祥吴展鹏
Owner GUANGDONG MEIZHI COMPRESSOR
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