JP2932804B2 - Horizontal type hermetic compressor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to reduction of noise and vibration of a horizontal hermetic compressor.

[0002]

2. Description of the Related Art In a conventional horizontal compressor, as shown in FIG. 4, an accumulator is fixed to a side surface of a compressor body by a band having a spring property. If a large-capacity accumulator such as a compressor for a heat pump is required with such a structure, the space for installing the compressor in the air conditioner becomes very large, and as a result, it is difficult to reduce the size of the air conditioner. Met. In order to reduce the installation space for the compressor, it is conceivable to reduce the diameter of the accumulator as shown in FIG.

[0003]

However, with such a structure, the suction tube and the accumulator vibrate greatly during operation of the compressor, especially when the vibration is relatively large at the time of start-up, and the vibration of the air conditioner main body. Increase noise. In addition, the reliability is significantly reduced due to the increase in vibration. Further, since the compressor body and the accumulator are not in close contact with each other, it is very difficult to position the suction pipe.

[0004]

Means for solving the problems of the present invention are as follows. A compression mechanism and an electric motor for driving the compression mechanism are disposed substantially horizontally in a closed container composed of a body shell and both side shells. A suction pipe connecting the suction part of the compression mechanism and an accumulator provided outside the closed vessel and a support plate supporting the suction pipe are fixed to the side shell by welding or a similar method. And the support plate is provided within the same semicircle with respect to the suction pipe mounting position.

Further, the side shell is provided with ribs for dividing the entire circumference into approximately four or three equal parts, and the ribs are formed substantially in a plane, and the suction pipe and the support plate are provided in the flat part. That is.

[0006]

The operation of this technical means is as follows.

[0007] A compression mechanism and an electric motor for driving the compression mechanism are disposed substantially horizontally in a closed container formed of a body shell and both side shells, and are provided at a suction portion of the compression mechanism and outside the closed container. A suction pipe connecting the accumulator and a support plate supporting the suction pipe are fixed to the side shell by welding or a similar method, and the support plate is the same semicircle with respect to the suction pipe mounting position. Inside, the rigidity of the suction tube can be greatly increased, and the transmission of the excitation force from the suction tube is reduced compared to the case where the suction tube is installed in a symmetrical position. Reduction can be achieved.

The side shell is provided with ribs for dividing the entire circumference into approximately four or three equal parts, and the ribs are formed substantially in a plane, and the suction pipe and the support plate are provided in the flat part. Thereby, the rigidity of the side shell can be further increased, vibration and noise can be reduced, and reliability can be greatly improved. Furthermore, the positioning of the suction tube is facilitated.

[0009]

An embodiment of the present invention will be described below with reference to the drawings. First, description will be made with reference to FIGS.

In FIG. 1, reference numeral 1 denotes a compression mechanism, which in this embodiment is a scroll type compression mechanism. The compression mechanism 1 is driven by an electric motor 2 including a stator 2a and a rotor 2b and operates as a compressor. Also, this compression mechanism 1
The electric motor 2 and the electric motor 2 are disposed substantially horizontally in a closed container 6 composed of a body shell 3 and both side shells 4 and 5 to constitute a horizontal type closed compressor. Reference numeral 7 denotes a suction part of the compression mechanism 1, which is connected to an accumulator 9 provided outside the sealed container 6 by a suction tube 8. FIG. 2 is a view as viewed from the side shell direction. A support plate 10 for supporting the suction tube 8 is fixed to the side shell 4 by welding or a method similar thereto. Reference numeral 11 denotes a band-like band having a spring property. The suction tube 8 is sandwiched between the support plate 10 and the band 11 and fixed by screws 12. The support plate 10 is provided substantially perpendicular to the position of the suction tube 8. When the compressor is operated, the side shell 4 is greatly vibrated by the discharge gas or the like. As a result, the suction tube 8 connected to the side shell 4 vibrates greatly and also vibrates the accumulator 9. However, the suction pipe 8 is connected to the support plate 1.
Because it is supported by zero, its stiffness is very high. Further, since the support plate 10 is mounted in a direction perpendicular to the position of the suction tube 8 with high rigidity, the opposite side 1
Vibration transmission is greatly reduced as compared to the case where the device is mounted near 80 degrees. As a result, the vibration and noise of the suction pipe and the accumulator system are greatly reduced, and the reliability is greatly improved.

In the present embodiment, the support plate 10 is oriented substantially perpendicular to the position of the suction tube 8, but as shown in regions A and B in FIG. If so, the effect is the same.

Next, the second claim will be described with reference to FIG. In the figure, reference numeral 13 denotes a side shell, and a rib 14 is provided on the side shell 13 so as to divide the entire circumference into approximately four equal parts. A flat portion 15 is provided between the ribs 14, and a support plate 16 is fixed to the flat portion 15. Accordingly, the rigidity of the side shell 13 is further improved by the ribs 14, and the vibration and noise of the suction tube and the accumulator system during the operation of the compressor are significantly reduced. Further, when the compressor body and the accumulator are not tightly fixed by the flat portion 15 as shown in the figure, the positioning at the time of assembling the suction pipe connecting them can be greatly simplified.

In this embodiment, the distance is approximately equal to four.
The effect is the same with equal division.

[0014]

As is clear from the above embodiment, the compression mechanism and the electric motor for driving the compression mechanism are disposed substantially horizontally in a closed container consisting of the body shell and both side shells. A suction pipe connecting the suction portion and an accumulator provided outside the sealed container and a support plate supporting the suction pipe are fixed to the side shell by welding or a method similar thereto; Is provided in the same semicircle with respect to the mounting position of the suction tube, the rigidity of the suction tube can be greatly increased, and the transmission of the excitation force from the suction tube is reduced as compared with the case where the suction tube is provided at a symmetric position. Vibration and noise of the accumulator and the suction pipe system can be significantly reduced.

Further, the side shell is provided with ribs for dividing the entire circumference into approximately four equal parts or three equal parts, and the ribs are formed substantially in a plane, and the suction pipe and the support plate are provided in this flat part. Thereby, the rigidity of the side shell can be further increased, vibration and noise can be reduced, and reliability can be greatly improved. Furthermore, the positioning of the suction tube is facilitated.

[Brief description of the drawings]

FIG. 1 is a sectional view showing one embodiment of the present invention.

FIG. 2 is a front view showing an embodiment of the present invention.

FIG. 3 is a front view showing a second claim.

FIG. 4A is a front view of a conventional example, and FIG.

FIG. 5 is another conventional front view.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 compression mechanism 2 electric motor 3 trunk shell 4, 5 side shell 6 sealed container 7 suction unit 8 suction tube 9 accumulator 10 support unit 14 rib 15 plane unit

──────────────────────────────────────────────────の Continued on the front page (72) Inventor Shotaro Ito 1006 Kazuma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. In-house (72) Inventor Kiyoshi Sawai 1006 Kadoma, Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Inventor Sadao Kawahara 1006 Odaka, Kazuma, Kadoma, Osaka Pref. Person Manabu Sakai 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture (72) Inventor Yasushi Aiba 1006 Kadoma Kadoma, Kadoma City, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. 1006 Kadoma, Matsudai, Matsushita Electric Industrial Co., Ltd. (56) References JP-A-63-189686 (JP, A) JP-A-1-178785 (JP) A) JitsuHiraku Akira 54-150113 (JP, U) (58 ) investigated the field (Int.Cl. ^6, DB name) F04C 23/00 - 29/10 331 F04B 39/00

Claims (2)

(57) [Claims] 1. A compression mechanism and an electric motor for driving the compression mechanism are disposed substantially horizontally in a sealed container comprising a body shell and both side shells, and a suction portion of the compression mechanism and an external part of the sealed container. A suction pipe connecting the accumulator and a support plate supporting the suction pipe are fixed to the side shell by welding or a similar method, and the support plate is the same as the suction pipe mounting position. A horizontal hermetic compressor installed in a semicircle. 2. The side shell is provided with ribs which divide the entire circumference into approximately four or three equal parts, and the ribs are constituted by a substantially flat surface, and the suction pipe and the support plate are provided in this flat part. The horizontal hermetic compressor according to claim 1.