CN216477842U

CN216477842U - Compressor for environmental control system

Info

Publication number: CN216477842U
Application number: CN202122697417.6U
Authority: CN
Inventors: 陈兴乔
Original assignee: Jiangsu Hongji Environmental Power Co ltd
Current assignee: Jiangsu Hongji Environmental Power Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-05-10
Anticipated expiration: 2031-11-05

Abstract

The utility model relates to the field of compressors and provides a compressor for an environment control system. A motor stator is arranged on the inner wall of the cylinder body, and a motor rotor is fixedly arranged on the rotating shaft; a movable disc is arranged on the rotating shaft, and a fixed disc correspondingly matched with the movable disc is fixedly arranged in the cylinder cover; three eccentric mass blocks are arranged on the rotating shaft; the end surface of the cylinder body is provided with an air return port communicated with the inner cavity of the cylinder body, and the end surface of the cylinder cover is provided with an exhaust port; an axial vent hole is arranged in the rotating shaft, extends to the movable disc and the fixed disc from one end of the rotating shaft close to the cylinder body, and is communicated with an air inlet end between the movable disc and the fixed disc through a radial through hole; and the static disc is provided with an exhaust hole communicated with the exhaust port. The motor and the compressor are integrated into a whole, so that the volume of the compressor is reduced; the compression efficiency of the compressor is improved by utilizing a hollow shaft air inlet mode. The three groups of eccentric mass blocks are utilized, so that the vibration of the compressor is effectively adjusted, the noise is reduced, and the service life of the compressor is prolonged.

Description

Compressor for environmental control system

Technical Field

The utility model relates to the field of compressors, in particular to a compressor for an environment control system.

Background

The compressor is a fluid machine that compresses a low-pressure gas medium into a high-pressure gas medium, and is an important component of a refrigeration or environmental control system. The motor drives the compression assembly to compress the gas medium sucked from the air return pipe into low temperature and low pressure, and then the gas medium with high temperature and high pressure is discharged from the exhaust port. The compressor can be classified into a displacement type compressor and a speed type compressor according to its principle. For the displacement compressor, the motor driving structure and the air return mode of the compressor have great influence on the volume and the compression performance of the compressor.

Disclosure of Invention

In order to meet the compression refrigeration requirement of an environmental control system, the utility model aims to provide a scroll compressor integrated with a motor.

The technical scheme adopted by the utility model is as follows:

a compressor for an environment control system comprises a cylinder body, an end cover, a cylinder cover and a rotating shaft, wherein the end cover is arranged between the cylinder body and the cylinder cover, the cylinder body, the end cover and the cylinder cover are fixedly connected through bolts, the rotating shaft is supported by three bearings, the three bearings are respectively arranged on the cylinder body, the end cover and the cylinder cover, a motor stator is arranged on the inner wall of the cylinder body, a motor rotor is fixedly arranged on the rotating shaft, and the motor rotor and the motor stator are correspondingly arranged; the rotating shaft is provided with a movable disc, the movable disc is positioned in the cylinder cover, and a fixed disc correspondingly matched with the movable disc is fixedly arranged in the cylinder cover; the rotating shaft is provided with three eccentric mass blocks, wherein two eccentric mass blocks are arranged at two ends of the rotating shaft, and the other eccentric mass block is arranged between the motor rotor and the movable disc; the end surface of the cylinder body is provided with an air return port communicated with the inner cavity of the cylinder body, and the end surface of the cylinder cover is provided with an exhaust port; an axial vent hole is arranged in the rotating shaft, extends to the movable disc and the fixed disc from one end of the rotating shaft close to the cylinder body, and is communicated with an air inlet end between the movable disc and the fixed disc through a radial through hole; and the static disc is provided with an exhaust hole, and the disc air hole is communicated with the exhaust hole.

Further, binding post is installed to the cylinder body terminal surface, binding post with motor stator is connected.

Further, a support is respectively installed between the cylinder body and the end cover, and installation screw holes are respectively formed in the bottom of the support.

Furthermore, a metal sealing ring is arranged between the cylinder body and the end cover.

Further, the eccentric mass block is mounted to the shaft via a plurality of radial screws.

After the technical scheme is adopted, the utility model has the beneficial effects that: the motor and the compressor are integrated into a whole, so that the volume of the compressor is reduced, and the installation space of the compressor is reduced; the mode of utilizing the hollow shaft to admit air can directly send the return air of return air mouth into between driving wheel and the stationary wheel and compress, improves the compression efficiency of compressor. The three groups of eccentric mass blocks are utilized, so that the vibration of the compressor is effectively adjusted, the noise is reduced, and the service life of the compressor is prolonged.

Drawings

FIG. 1 is a top view of a compressor;

FIG. 2 is an exploded view of the compressor;

FIG. 3 is a schematic structural view of the cylinder;

fig. 4 is a schematic view of a rotor structure.

Detailed Description

The following detailed description of the embodiments of the utility model is provided in conjunction with the accompanying drawings:

as shown in the figure, the compressor for the environmental control system comprises a cylinder body 1, a rear support 2, a rotating shaft 3, a motor stator 4, a motor rotor 5, three eccentric mass blocks 6, a metal sealing ring 7, a front support 8, an end cover 9, three bearings 10, a movable disc 11, a fixed disc 12, a cylinder cover 13 and the like.

The cylinder body 1, the end cover 9 and the cylinder cover 13 are sequentially connected and fixed by bolts to form a closed cavity, and metal sealing rings 7 are respectively arranged on each connecting surface. The rotary shaft 3 is rotatably supported by the cylinder block 1, the head cover 9, and the cylinder head 13 by three bearings 10. The shaft 3 is located in the compressor cavity. The rear bracket 2 is arranged at the bottom of the cylinder body 1, and the front bracket 8 is fixedly arranged between the cylinder body 1 and the end cover 9. In order to fix the compressor, vertical bolt holes 16 are respectively processed at two ends of the bottom of the front and

rear brackets

8, 2.

The cylinder body 1 is internally provided with a motor part. 54 evenly distributed stator coil slots are processed on the inner wall of the cylinder body 1, and coils are wound in the coil slots to form the motor stator 4. The motor rotor 5 is fixedly arranged on the rotating shaft 3 and is correspondingly matched with the electronic stator 4, and a three-phase wiring terminal 17 and an air return port 14 which are connected with the motor stator are arranged on the outer side end face of the cylinder body 1. After the motor stator 4 is electrified, the electronic rotor 5 drives the rotating shaft 3 to rotate.

Within cylinder head 13 is a compression assembly portion. 11 fixed mounting of movable disk is in pivot 3, and fixed disk 12 fixed mounting is in cylinder cap 13, and movable disk 11 is a pair of vortex dish with fixed disk 12, forms two crescent cavitys behind 11 and the 12 cooperations of fixed disk of movable disk. The movable disc 11 is positioned in the cylinder cover 13. An exhaust port 15 is processed in the center of the end face of the outer side of the cylinder cover 13, and an exhaust hole communicated with the exhaust port 15 is formed in the fixed disc 12.

An axial vent hole 18 is processed at one end of the rotating shaft 3 close to the cylinder body 1, the vent hole 18 extends to a cavity between the movable disc 11 and the fixed disc 12 from the shaft end and is communicated with an air inlet end between the movable disc 11 and the fixed disc 12 through a radial through hole 19.

In order to reduce the vibration generated by the vortex compression between the movable disc and the static disc, three eccentric mass blocks 6 are sleeved on the rotating shaft 3, and the three eccentric mass blocks 6 are distributed in the middle and at two ends of the rotating shaft 3. The eccentric mass block 6 is fixed outside the rotating shaft 3 by three radially distributed screws respectively.

Claims

1. A compressor for an environment control system comprises a cylinder body, an end cover, a cylinder cover and a rotating shaft, wherein the end cover is arranged between the cylinder body and the cylinder cover, the cylinder body, the end cover and the cylinder cover are fixedly connected through bolts, the rotating shaft is supported by three bearings, and the three bearings are respectively arranged on the cylinder body, the end cover and the cylinder cover; the rotating shaft is provided with a movable disc, the movable disc is positioned in the cylinder cover, and a fixed disc correspondingly matched with the movable disc is fixedly arranged in the cylinder cover; the rotating shaft is provided with three eccentric mass blocks, wherein two eccentric mass blocks are arranged at two ends of the rotating shaft, and the other eccentric mass block is arranged between the motor rotor and the movable disc; the end surface of the cylinder body is provided with an air return port communicated with the inner cavity of the cylinder body, and the end surface of the cylinder cover is provided with an exhaust port; an axial vent hole is arranged in the rotating shaft, extends to the movable disc and the fixed disc from one end of the rotating shaft close to the cylinder body, and is communicated with an air inlet end between the movable disc and the fixed disc through a radial through hole; and the static disc is provided with an exhaust hole which is communicated with the exhaust port.

2. The compressor for the environmental control system according to claim 1, wherein a terminal is installed on the end face of the cylinder body, and the terminal is connected with the motor stator.

3. The compressor for the environmental control system according to claim 1, wherein a bracket is respectively installed between the cylinder body and the end cover, and a mounting screw hole is respectively provided at the bottom of the bracket.

4. The compressor for the environmental control system according to claim 1, wherein a metal sealing ring is installed between the cylinder body and the end cover.

5. The compressor of claim 1, wherein the eccentric mass is mounted to the shaft via a plurality of radial screws.