CN219139301U

CN219139301U - Silencing cover plate assembly of refrigerator variable-frequency compressor

Info

Publication number: CN219139301U
Application number: CN202320069465.7U
Authority: CN
Inventors: 沈庆龄
Original assignee: Zhejiang Liqing Refrigeration Equipment Co ltd
Current assignee: Zhejiang Liqing Refrigeration Equipment Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-06-06
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a refrigerator variable frequency compressor silencing cover plate assembly, which comprises a first inner exhaust pipe, at least two silencing cavity covers and a second inner exhaust pipe, wherein the silencing cavity covers comprise a first silencing cavity cover and a second silencing cavity cover, and the first inner exhaust pipe, the first silencing cavity cover, the second inner exhaust pipe and the second silencing cavity cover are sequentially and fixedly connected together. The first inner exhaust pipe is at least provided with three 'several' fields, wherein the three 'several' fields comprise a first 'several' field, a second 'several' field and a third 'several' field, and the first 'several' field, the second 'several' field and the third 'several' field are connected together and the protruding directions are the same. This amortization apron subassembly is through the shape overall arrangement to each pipeline section on different angles to combine with amortization chamber lid, can effectively reduce the exhaust noise of compressor, through the structural design between a plurality of pipeline sections, pipeline vibration when can effectively trade the compressor operation.

Description

Silencing cover plate assembly of refrigerator variable-frequency compressor

Technical Field

The utility model relates to the technical field of refrigerators, in particular to a silencing cover plate assembly of a variable frequency compressor of a refrigerator.

Background

As a living electric appliance indispensable in daily life, a refrigerator has increasingly strict requirements for use, particularly noise. The compressor is a main noise source of the refrigerator, so that the noise needs to be reduced as much as possible for the structural design of the compressor, and the compressor meets the use requirement. The compressor is characterized by periodically completing the suction and compression discharge processes except for mechanical friction noise between parts, wherein the suction and discharge processes are the most main sources of internal noise generation. In the process of inhaling, can eliminate partial noise through inhaling the muffler, in the exhaust process, because exhaust pressure is too big, can produce great noise, also can cause great vibration simultaneously, noise and vibration can both influence people's normal life. Based on this, it is imperative to develop a compressor muffler cover plate assembly to reduce noise generated during compression operation

Disclosure of Invention

The present utility model is directed to solving at least one of the problems of the prior art. Therefore, the utility model aims to provide the silencing cover plate assembly of the variable frequency compressor of the refrigerator, which can effectively reduce the exhaust noise of the compressor and reduce the pipeline vibration when the compressor operates.

In order to achieve the above purpose, the utility model provides a silencing cover plate assembly of a variable frequency compressor of a refrigerator, which comprises a first inner exhaust pipe, at least two silencing cavity covers and a second inner exhaust pipe, wherein the silencing cavity covers comprise a first silencing cavity cover and a second silencing cavity cover, and the first inner exhaust pipe, the first silencing cavity cover, the second inner exhaust pipe and the second silencing cavity cover are sequentially and fixedly connected together. The first inner exhaust pipe is at least provided with three 'several' fields, wherein the three 'several' fields comprise a first 'several' field, a second 'several' field and a third 'several' field, and the first 'several' field, the second 'several' field and the third 'several' field are connected together and the protruding directions are the same.

Preferably, the silencing cavity cover is in a cover-shaped structure, at least two through holes are formed in the periphery of the silencing cavity cover, the silencing cavity cover comprises an air inlet hole and an air outlet hole, one end of the second inner exhaust pipe is communicated with the air outlet hole of the second silencing cavity cover, and the other end of the second inner exhaust pipe is communicated with the air inlet hole of the first silencing cavity cover.

Preferably, a fixing hole is formed in the center of the silencing cavity cover.

Preferably, the refrigerator variable frequency compressor silencing cover plate assembly further comprises a plurality of damping springs, and the damping springs are mounted on the 'few' fields and are closely attached to the 'few' fields.

Preferably, a plurality of bends are arranged on the first inner exhaust pipe; at least one bending is arranged on the second inner exhaust pipe.

Preferably, the centers of the circles of the first silencing cavity cover and the second silencing cavity cover are on the same straight line.

Preferably, the length of the first inner exhaust pipe is 40-50cm; the length of the second inner exhaust pipe is 3-10cm.

The utility model has the beneficial effects that: this amortization apron subassembly is through the shape overall arrangement to each pipeline section on different angles to combine with amortization chamber lid, can effectively reduce the exhaust noise of compressor, through the structural design between a plurality of pipeline sections, pipeline vibration when can effectively trade the compressor operation.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

fig. 2 is a schematic view of the structure of the present utility model with the damper spring removed.

In the figure: 1. the exhaust pipe comprises a first inner exhaust pipe, a second inner exhaust pipe, a first silencing cavity cover, a second silencing cavity cover, a first few fields, a second few fields, a third few fields, a damping spring, 9 air inlets, 10 air outlets and 11 fixing holes.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus consistent with some aspects of the present application as detailed in the accompanying claims.

The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless defined otherwise, technical or scientific terms used herein should be understood as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terms "a" or "an" and the like as used in the description and the claims do not denote a limitation of quantity, but rather denote the presence of at least one. The term "plurality" includes two, corresponding to at least two. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

As shown in fig. 1-2, the silencing cover plate assembly of the refrigerator variable frequency compressor comprises a first inner exhaust pipe 1, two silencing cavity covers and a second inner exhaust pipe 2, wherein the silencing cavity covers comprise a first silencing cavity cover 3 and a second silencing cavity cover 4, and the first inner exhaust pipe 1, the first silencing cavity cover 3, the second inner exhaust pipe 2 and the second silencing cavity cover 4 are sequentially fixed together through welding. The second inner exhaust pipe 2 is connected with an exhaust port of the compressor through a second silencing cavity cover 4, the first inner exhaust pipe 1 is connected with key components in the refrigerator system, and the whole machine vibration of the gas force transmitted to the shell body due to vibration of the component is reduced.

In this embodiment, at least three "several" fields are disposed on the first inner exhaust pipe 1, including a first "several" field 5, a second "several" field 6 and a third "several" field 7, where the first "several" field 5, the second "several" field 6 and the third "several" field 7 are sequentially connected together, and the first "several" field 5, the second "several" field 6 and the third "several" field 7 are connected together and the protruding directions are the same, so that the design of the irregular "several" field structure reduces the overall length of the assembly, and makes it possible to install in the compressor.

In this embodiment, the silencing cavity cover is in a cover-shaped structure, at least two through holes are formed in the periphery of the silencing cavity cover, the through holes comprise an air inlet hole 9 and an air outlet hole 10, one end of the second inner exhaust pipe 2 is communicated with the air outlet hole 10 of the second silencing cavity cover 4, the other end of the second inner exhaust pipe is communicated with the air inlet hole 9 of the first silencing cavity cover 3, a fixing hole 11 is formed in the center of the silencing cavity cover, and the silencing cavity cover can be fixedly installed in the compressor through the fixing hole 11.

In this embodiment, the silencing cover plate assembly of the variable frequency compressor of the refrigerator further comprises a plurality of damping springs 8, the number of the damping springs is the same as that of the several fields, and the damping springs 8 are installed on the several fields and are closely attached to the several fields.

In this embodiment, a plurality of bends are provided on the first inner exhaust pipe 1; at least one bending is arranged on the second inner exhaust pipe 2.

In this embodiment, the centers of the circles of the first silencing cavity cover 3 and the second silencing cavity cover 4 are on the same straight line.

In this embodiment, the length of the first inner exhaust pipe 1 is 40-50cm, and the optimal value is 46.7cm; the length of the second inner exhaust pipe 2 is 3-10cm, and the optimal value is 7mm.

Based on the arrangement, air flow pulsation enters the second inner exhaust pipe 2 from the air inlet hole 9 of the second silencing cavity cover 4, enters the first silencing cavity cover 3 from the second inner exhaust pipe 2, and is discharged from the second exhaust pipe through the first silencing cavity cover 3, so that the air flow pulsation in a pipeline can be effectively reduced, and the purposes of vibration reduction and noise reduction are achieved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The refrigerator variable frequency compressor silencing cover plate assembly is characterized by comprising a first inner exhaust pipe, at least two silencing cavity covers and a second inner exhaust pipe, wherein the silencing cavity covers comprise a first silencing cavity cover and a second silencing cavity cover, the first inner exhaust pipe, the first silencing cavity cover, the second inner exhaust pipe and the second silencing cavity cover are sequentially connected together, at least three 'several' fields are arranged on the first inner exhaust pipe and comprise a first 'several' field, a second 'several' field and a third 'several' field, and the first 'several' field, the second 'several' field and the third 'several' field are connected together and the protruding directions are the same.

2. The variable frequency compressor muffler cover plate assembly of claim 1, wherein the muffler cover has a cover-shaped structure, and at least two through holes are formed on the periphery of the muffler cover, including an air inlet hole and an air outlet hole, wherein one end of the second inner exhaust pipe is connected with the air outlet hole of the second muffler cover, and the other end is connected with the air inlet hole of the first muffler cover.

3. The refrigerator inverter compressor sound damping cover assembly of claim 2, further comprising a plurality of damper springs mounted on and in close proximity to the "few" fields.

4. The muffler cover assembly of a inverter compressor of a refrigerator as claimed in claim 3, wherein the muffler cover is provided with a fixing hole at a central position thereof.

5. The muffler cover assembly of a variable frequency compressor of a refrigerator of claim 4, wherein a plurality of bends are provided on the first inner exhaust pipe; at least one bending is arranged on the second inner exhaust pipe.

6. The muffler cover assembly of a variable frequency compressor of a refrigerator as claimed in claim 5, wherein the length of the first inner exhaust pipe is 40-50cm; the length of the second inner exhaust pipe is 3-10cm.