CN211343258U

CN211343258U - Rectification noise reduction air suction noise reduction cavity and compressor

Info

Publication number: CN211343258U
Application number: CN201921819320.4U
Authority: CN
Inventors: 孔祥兴; 曹烜炜; 吴永恒; 费世远; 董进
Original assignee: Donper Electromechanical Jiangsu Co ltd
Current assignee: Donper Electromechanical Jiangsu Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-08-25
Anticipated expiration: 2029-10-28

Abstract

The utility model provides a rectification is fallen and is made an uproar amortization chamber and compressor of breathing in belongs to compressor manufacturing technical field. The rectifying, noise-reducing, air-breathing and noise-reducing cavity comprises a first cavity, a second cavity, a communicating vessel and a rectifying device, wherein the first cavity is detachably connected with the second cavity, the first cavity comprises an air suction port, the second cavity comprises an air exhaust port, the communicating vessel comprises a partition plate and a communicating pipe, the first cavity and the second cavity are separated into a first cavity and a second cavity by the communicating vessel after being connected, the communicating pipe communicates the first cavity with the second cavity, the air suction port is located in the first cavity, and the air exhaust port is located in the second cavity; the fairing is mounted on an inner wall of the first chamber. The rectifying device is arranged in a sound transmission path and interferes the sound transmission to play a role in reducing noises of certain frequency bands, thereby reducing the noise of the whole machine.

Description

Rectification noise reduction air suction noise reduction cavity and compressor

Technical Field

The utility model belongs to the technical field of the compressor is made, particularly, relate to rectification and fall and make an uproar amortization chamber and compressor of breathing in.

Background

The compressor is the core component of refrigerator, air conditioner and other household refrigeration appliances, and its principle is that low-temperature low-pressure refrigerant gas is sucked from air suction pipe, and after the motor is operated and the piston is driven to compress it, the high-temperature high-pressure refrigerant gas is discharged to exhaust pipe to provide power for refrigeration cycle. When the compressor inhales, large noise is generated, and if the noise is not effectively treated, the daily life of people is greatly influenced. The compressor is generally equipped with a muffler, which is a device for preventing sound from propagating and allowing airflow to pass through, and is an important measure for eliminating aerodynamic noise.

In the existing compressor sound-deadening cavity equipment, an upper cavity and a lower cavity are generally divided into an upper cavity and a lower cavity by a communicating vessel, and noise is absorbed in the upper cavity and the lower cavity by the communicating vessel so as to achieve the purpose of sound deadening. However, the overall shape of the interior of the existing noise reduction air suction sound attenuation cavity is regular, and the interference and reflection of sound waves in the cavity are not sufficient, so that the sound attenuation cavity has poor multi-band noise absorption capability, and the sound filtering effect is not ideal.

Disclosure of Invention

The utility model aims at the problem that prior art exists, provide a rectification and fall and make an uproar amortization chamber of breathing in, can filter the noise of multifrequency section.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a rectification noise reduction air suction sound attenuation cavity, which comprises a first cavity, a second cavity, a communicating vessel and a rectification device, wherein the first cavity and the second cavity are detachably connected, the communicating vessel comprises an isolation plate and a communicating pipe, the first cavity and the second cavity are isolated into a first cavity and a second cavity by the communicating vessel after being connected, the communicating pipe is communicated with the first cavity and the second cavity, the first cavity is provided with an air suction port, and the second cavity is provided with an air exhaust port; the fairing is mounted on an inner wall of the first chamber.

Furthermore, the rectifying device is vertically arranged on the inner wall of the first cavity and integrally formed with the first cavity or the second cavity. The rectifying device can be of a cylindrical or plate-shaped structure, the specific shape is not limited, and the rectifying device can be adjusted according to the actual application requirements.

Optionally, the fairing includes a base, one or more fairings, and the one or more fairings are detachably mounted on the base.

In particular, the fairing may be a fairing column or a fairing baffle. The specific shape of the rectifying column or the rectifying baffle is not limited, and can be adjusted according to the actual application requirements.

Furthermore, be provided with the external screw thread pole on the fairing, be provided with one or more screw hole in the base, the external screw thread pole with the screw hole spiro union. The length of the fairing in the depth direction can be adjusted through the rotation adjustment of the external thread rod; if the fairing is a non-axially symmetrical structure, such as a plate-shaped structure, the length of the fairing in the depth direction and the installation angle of the fairing can be adjusted by the rotation adjustment of the external thread rod 421. In practical application, the best silencing effect can be achieved through rotation adjustment.

Furthermore, the rectifying device also comprises a rotary adjusting rod, and the rectifying piece is arranged on the base through the rotary adjusting rod.

Specifically, the two ends of the rotary adjusting rod are provided with external threads, the base and the rectifying piece are internally provided with internal threads, one end of the screw rod is in threaded connection with the internal threads of the base, and the other end of the screw rod is in threaded connection with the internal threads of the rectifying piece. The rectifying device is particularly suitable for the structure that the rectifying part is not axially symmetrical, such as a plate-shaped structure, the length of the rectifying part in the depth direction can be adjusted through the rotation adjustment of the rotation adjusting rod on the base, the length of the rectifying part in the depth direction and the installation angle of the rectifying part can be adjusted through the rotation adjustment of the rectifying part on the rotation adjusting rod, the length of the rectifying part in the depth direction and the installation angle of the rectifying part can be adjusted independently, in practical application, the best silencing effect can be achieved through the rotation adjustment, and compared with the embodiment 2, the rectifying part has larger adjustment dimension and wider application range.

Preferably, the rotating ring is arranged in the middle of the rotating adjusting rod, so that the rotating adjusting rod can be conveniently rotated manually.

Preferably, the rectifying device is mounted in the vicinity of the air inlet. This may have a more pronounced effect on the acoustic flow path.

The utility model also provides a compressor, including a rectification noise reduction inspiration amortization chamber, the rectification noise reduction inspiration amortization chamber includes first cavity, second cavity, linker and fairing, first cavity with the second cavity can be dismantled and connect, the linker includes division board and communicating pipe, after the first cavity is connected with the second cavity, the linker is separated into first cavity and second cavity, the communicating pipe communicates first cavity and second cavity, be provided with the induction port on the first cavity, be provided with the gas vent on the second cavity; the fairing is mounted on an inner wall of the first chamber.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an induction port that noise reduction of rectification was inhaled and noise damping chamber is located first cavity, installs fairing on first cavity inner wall, if rectification post or rectification baffle, interferes and reflects the sound wave of coming from the induction port to reach the purpose of absorbing certain frequency channel noise.

Drawings

Fig. 1 is a schematic structural view of a rectifying noise-reducing air-breathing sound-deadening chamber of the present invention;

fig. 2 is a schematic structural view of a rectifying device according to embodiment 2 of the present invention;

fig. 3 is a schematic structural view of a rectifying device according to embodiment 3 of the present invention;

fig. 4 is a schematic structural view of a preferred rectifying device according to embodiment 3 of the present invention;

in the figure: 1. a first cavity; 2. a second cavity; 3. a communicating vessel; 4. a rectifying device; 5. a first chamber; 6. a second chamber; 7. an air suction port; 8. an exhaust port; 31. a separator plate; 32. a communicating pipe; 41. a base; 42. a fairing; 421. an externally threaded rod; 43. rotating the adjusting rod; 431. and (6) rotating the ring.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, the present embodiment provides a rectification noise-reduction air-suction sound-deadening chamber, including a first chamber 1, a second chamber 2, a communicating vessel 3 and a rectification device 4, where the first chamber and the second chamber are detachably connected, the communicating vessel 3 includes a partition plate 31 and a communicating tube 32, the first chamber 1 and the second chamber 2 are separated into a first chamber 5 and a second chamber 6 by the communicating vessel 3 after being connected, the communicating tube 32 communicates the first chamber 5 and the second chamber 6, the first chamber 5 is provided with an air suction port 7, and the second chamber 6 is provided with an air exhaust port 8; the rectifying means 4 are mounted on the inner wall of the first chamber 5.

The rectifying device 4 is vertically arranged on the inner wall of the first cavity 5 and is integrally formed with the first cavity 1 or the second cavity 2. The rectifying device 4 can be a cylindrical or plate-shaped structure, the specific shape is not limited, and the rectifying device can be adjusted according to the actual application requirements.

Preferably, the rectifying device 4 is attached near the air inlet 7. This may have a more pronounced effect on the acoustic flow path.

The embodiment also provides a compressor, which comprises the rectifying, noise-reducing, air-breathing and sound-deadening cavity provided by the embodiment.

Example 2

As shown in fig. 2, the present embodiment provides a rectifying, noise-reducing, air-breathing and sound-deadening chamber, which is different from embodiment 1 in that, in the present embodiment, the rectifying device 4 includes a base 41 and a rectifying member 42, the base 41 is fixedly disposed on the inner wall of the first chamber 5, and the rectifying member 42 is detachably mounted on the base 41.

In particular, the fairing 42 may be a fairing column or a fairing baffle. The specific shape of the rectifying column or the rectifying baffle is not limited, and can be adjusted according to the actual application requirements.

Further, an external threaded rod 421 is arranged on the rectifying member 42, one or more threaded holes are arranged in the base 41, and the external threaded rod 421 is in threaded connection with the threaded holes. The length of the rectifying member 42 in the depth direction can be adjusted by rotating the external screw rod 421; if the rectifying member 42 has a non-axially symmetrical structure, such as a plate-shaped structure, the length of the rectifying member 42 in the depth direction and the installation angle of the rectifying member 42 in the circumferential direction can be adjusted by adjusting the rotation of the externally threaded rod 421. In practical application, the best silencing effect can be achieved through rotation adjustment.

Example 3

As shown in fig. 3, this embodiment provides a rectifying, noise-reducing, air-sucking and sound-deadening chamber, which is different from the above embodiments 1 and 2 in that, in this embodiment, the rectifying device 4 further includes a rotation adjusting rod 43, and the rectifying member 42 is mounted on the base through the rotation adjusting rod.

Specifically, both ends of the rotating adjusting rod 43 are provided with external threads, the base 41 and the rectifying piece 42 are internally provided with internal threads, one end of the rotating adjusting rod 43 is in threaded connection with the internal threads of the base 41, and the other end of the rotating adjusting rod is in threaded connection with the internal threads of the rectifying piece 42. The rectifying device 4 is particularly suitable for the rectifying member 42 having a non-axially symmetrical structure, such as a plate-shaped structure, the length of the rectifying member 42 in the depth direction can be adjusted by rotating the rotation adjusting rod 43 on the base 41, and the length of the rectifying member 42 in the depth direction and the installation angle of the rectifying member 42 can be adjusted by rotating the rectifying member 42 on the rotation adjusting rod 43, so that the length of the rectifying member 42 in the depth direction and the installation angle can be independently adjusted, and in practical use, the best silencing effect can be achieved by rotating the rectifying member, and compared with embodiment 2, the rectifying member of the present embodiment has a larger adjustment dimension and a wider application range.

Preferably, as shown in fig. 4, a rotation ring 431 is provided at the middle of the rotation adjustment lever 43. It is convenient to manually rotate the rotation adjusting lever 43.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rectifying, noise-reducing, air-sucking and sound-attenuating cavity is characterized by comprising a first cavity, a second cavity, a communicating vessel and a rectifying device, wherein the first cavity and the second cavity are detachably connected, the communicating vessel comprises a partition board and a communicating pipe, the first cavity and the second cavity are separated into a first cavity and a second cavity by the communicating vessel after being connected, the communicating pipe is communicated with the first cavity and the second cavity, an air suction port is formed in the first cavity, and an air exhaust port is formed in the second cavity; the fairing is mounted on an inner wall of the first chamber.

2. A rectifying, noise-reducing, air-breathing and sound-attenuating cavity as claimed in claim 1, wherein the rectifying device is vertically disposed on the inner wall of the first cavity and is integrally formed with the first cavity or the second cavity.

3. A rectifying, noise-reducing, air-breathing and sound-attenuating cavity as claimed in claim 1, wherein said rectifying means comprises a base fixedly arranged on the inner wall of said first chamber, one or more rectifying members removably mounted on said base.

4. A rectifying, noise-reducing, air-breathing and sound-deadening chamber according to claim 3, wherein the rectifying member is a rectifying column or a rectifying baffle.

5. A rectifying, noise-reducing, air-breathing and sound-attenuating chamber as claimed in claim 3, wherein the rectifying member is provided with an externally threaded rod, the base is provided with one or more threaded holes, and the externally threaded rod is in threaded engagement with the threaded holes.

6. A rectifying, noise-reducing, air-breathing and sound-deadening chamber according to claim 3, wherein said rectifying means further comprises a rotating adjustment rod, said rectifying member being mounted to said base by said rotating adjustment rod.

7. A rectifying, noise-reducing, air-sucking and noise-reducing cavity according to claim 6, wherein both ends of the rotary adjusting rod are provided with external threads, the base and the rectifying piece are internally provided with internal threads, one end of the rotary adjusting rod is in threaded connection with the internal threads of the base, and the other end of the rotary adjusting rod is in threaded connection with the internal threads of the rectifying piece.

8. A rectifying, noise-reducing, air-breathing and sound-deadening chamber as claimed in claim 7, wherein a rotating ring is provided in the middle of the rotating adjusting rod.

9. A rectifying, noise reducing, air breathing and sound deadening chamber according to any one of claims 1 to 8 wherein said rectifying means is mounted adjacent to said air intake opening.

10. A compressor comprising a rectified noise reduced aspirated muffling chamber according to any one of claims 1 to 8.