CN203835666U - Freezer compressor air suction silencer capable of improving air suction efficiency - Google Patents
Freezer compressor air suction silencer capable of improving air suction efficiency Download PDFInfo
- Publication number
- CN203835666U CN203835666U CN201420155280.9U CN201420155280U CN203835666U CN 203835666 U CN203835666 U CN 203835666U CN 201420155280 U CN201420155280 U CN 201420155280U CN 203835666 U CN203835666 U CN 203835666U
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- silencing
- damping
- air suction
- cavity
- pipe
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Abstract
The utility model relates to a freezer compressor air suction silencer capable of improving the air suction efficiency. The air suction silencer comprises a silencer cavity, a silencing damping tube, an air inlet and an air outlet, wherein the silencing damping tube is arranged inside the silencer cavity; a shock-resistant partition board is arranged inside the silencer cavity, and is used for partitioning the silencer cavity into a primary silencing damping cavity and a secondary silencing damping cavity; the volume ratio of the primary silencing damping cavity to the secondary silencing damping cavity is 1: 1.6; the air inlet is formed in the lower part of one side of the silencer cavity; an inlet of the silencing damping tube corresponds to the air inlet inside the primary silencing damping cavity, and an outlet of the silencing damping tube is connected with the air outlet. The freezer compressor air suction silencer is simple in structure and scientific and reasonable in design, the negative pressure inside the silencer cavity can be effectively reduced, the overall noise of a compressor is reduced, and the stability of the compressor is improved.
Description
Technical field
The utility model belongs to air suction silencer field, especially a kind of freezer compressor air suction silencer that improves gettering efficiency.
Background technique
Refrigeration household electric appliance are except needs have good refrigeration, and low power consuming, low noise are also the targets that people pursue.The noise of refrigeration household electric appliance, mainly from the operation of compressor, is the vibrating noise that compressor produces in interruption process of refrigerastion, and this periodic vibrating noise brings certain worry to people's daily life.In order to reduce the noise of compressor, cover and be fixed with air suction silencer at compressor cylinder at present, existing air suction silencer is generally made up of cavity and internal duct.The size of air suction silencer internal cavity, and the diameter of pipeline, length all can produce greatly impact to overall noise and gettering efficiency.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of freezer compressor air suction silencer that improves gettering efficiency is provided, this air suction silencer is simple in structure, design science is reasonable, can effectively reduce the negative pressure in muffler cavity, reduce compressor overall noise, improve the stability of compressor.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of freezer compressor air suction silencer that improves gettering efficiency, this air suction silencer comprises noise reduction cavity, silencing and damping pipe, suction port and air outlet, silencing and damping pipe is arranged in noise reduction cavity, in its this noise reduction cavity, shock resistance demarcation strip is set, noise reduction cavity is divided into one-level silencing and damping chamber and secondary silencing and damping chamber by this shock resistance demarcation strip, the volume ratio in this one-level silencing and damping chamber and secondary silencing and damping chamber is 1:1.6, suction port is arranged on noise reduction cavity one side lower part, silencing and damping tube inlet is corresponding in one-level silencing and damping chamber with suction port, the outlet of silencing and damping pipe is connected with air outlet.
And described suction port is broadening formation.
And described silencing and damping pipe is arranged in noise reduction cavity by fixing frame.
And described silencing and damping pipe is provided with pressure relief opening in secondary silencing and damping chamber.
And described pressure relief opening is two and is symmetricly set on silencing and damping pipe.
And, described silencing and damping pipe comprises the inlet duct, the first reduction of speed bend pipe, the second straight tube, the 3rd reduction of speed bend pipe, the 4th reduction of speed bend pipe, the 5th straight tube and the outer pipe that are linked in sequence successively, between the 3rd reduction of speed bend pipe and the 4th reduction of speed bend pipe, is provided with pressure relief opening.
Advantage of the present utility model and beneficial effect are:
1, the freezer compressor air suction silencer of this raising gettering efficiency comprises noise reduction cavity, silencing and damping pipe, suction port and air outlet, silencing and damping pipe is arranged in noise reduction cavity, in its this noise reduction cavity, shock resistance demarcation strip is set, noise reduction cavity is divided into one-level silencing and damping chamber and secondary silencing and damping chamber by this shock resistance demarcation strip, the volume ratio in this one-level silencing and damping chamber and secondary silencing and damping chamber is 1:1.6, suction port is arranged on noise reduction cavity one side lower part, silencing and damping tube inlet is corresponding in one-level silencing and damping chamber with suction port, the outlet of silencing and damping pipe is connected with air outlet, the utility model is by reaching balance pressure and reducing the effect of noise to the reasonable distribution of noise reduction inside cavity ratio, provide space by the volume ratio of determining one-level silencing and damping chamber and secondary silencing and damping chamber to the diameter that expands silencing and damping pipe, reduce the air-breathing pressure loss, thereby promote efficiency.
2, silencing and damping pipe of the present utility model comprises the inlet duct being linked in sequence successively, the first reduction of speed bend pipe, the second straight tube, the 3rd reduction of speed bend pipe, the 4th reduction of speed bend pipe, the 5th straight tube and outer pipe, between the 3rd reduction of speed bend pipe and the 4th reduction of speed bend pipe, be provided with pressure relief opening, this pressure relief opening is two and is symmetricly set on silencing and damping pipe, the length of silencing and damping pipe and the mating reaction of noise reduction cavity in the utility model air suction silencer, during suction valve chip is opened, the interior pressure surge of gas of silencing and damping pipe and the breakdown action of suction valve chip coordinate more excellent, thereby suck more refrigerant, promote freezer compressor gettering efficiency.By increasing, the displacement of silencing and damping rostrum is put and the sectional area of cavity in addition, has increased the long-pending ratio of this section area and pipe section, thereby has effectively increased the loss value that transmits sound from suction valve chip, has reduced noise.
3, the utility model passes through the acoustic mode state of this cavity of calculating in the frequency multiplication at compressor operation frequency (100,150,200) Hz place, thereby has reached the object of resonant silencing, has reduced the noise figure of harmonic wave.Meanwhile, by acoustic pressure, more refrigerant is compressed into cylinder, additionally increase efficiency.
4, the utility model is simple in structure, and design science is reasonable, can effectively reduce the negative pressure in muffler cavity, reduces compressor overall noise, improves the stability of compressor.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is Fig. 1 rear view;
Fig. 3 is the sectional view (broken section) of Fig. 1.
Embodiment
Below by specific embodiment, the utility model is described in further detail, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of freezer compressor air suction silencer that improves gettering efficiency, this air suction silencer comprises noise reduction cavity 3, silencing and damping pipe, suction port 1 and air outlet 2, silencing and damping pipe is arranged in noise reduction cavity, silencing and damping pipe is arranged in noise reduction cavity by fixing frame 11 furtherly, in its this noise reduction cavity, shock resistance demarcation strip 6 is set, noise reduction cavity is divided into one-level silencing and damping chamber 4 and secondary silencing and damping chamber 13 by this shock resistance demarcation strip, the volume ratio in this one-level silencing and damping chamber and secondary silencing and damping chamber is 1:1.6, suction port is arranged on noise reduction cavity one side lower part, suction port is broadening formation, silencing and damping tube inlet is corresponding in one-level silencing and damping chamber with suction port, the outlet of silencing and damping pipe is connected with air outlet, silencing and damping pipe is provided with pressure relief opening 9 in secondary silencing and damping chamber, pressure relief opening is two and is symmetricly set on silencing and damping pipe, silencing and damping pipe comprises the inlet duct 15 being linked in sequence successively furtherly, the first reduction of speed bend pipe 14, the second straight tube 12, the 3rd reduction of speed bend pipe 10, the 4th reduction of speed bend pipe 8, the 5th straight tube 7 and outer pipe 5, between the 3rd reduction of speed bend pipe and the 4th reduction of speed bend pipe, be provided with pressure relief opening.
The utility model working principle: when freezer compressor is air-breathing, because leave space between the silencing and damping pipe in suction port and noise reduction cavity, the a part of gas entering from suction port enters one-level silencing and damping chamber, another part gas directly sucks and in silencing and damping pipe, carries out reduction of speed damping, and enters secondary silencing and damping chamber at pressure relief opening part gas.Gas in silencing and damping pipe is inhaled in cylinder by the variation of compresser cylinder inside and outside differential pressure.Pulse pneumatic, by repeatedly expand decompression in baffler, has reduced noise.By with more excellent cooperation of breakdown action of suction valve chip, thereby suck more refrigerant, promoted gettering efficiency.
Claims (6)
1. one kind is improved the freezer compressor air suction silencer of gettering efficiency, this air suction silencer comprises noise reduction cavity, silencing and damping pipe, suction port and air outlet, silencing and damping pipe is arranged in noise reduction cavity, it is characterized in that: in this noise reduction cavity, shock resistance demarcation strip is set, noise reduction cavity is divided into one-level silencing and damping chamber and secondary silencing and damping chamber by this shock resistance demarcation strip, the volume ratio in this one-level silencing and damping chamber and secondary silencing and damping chamber is 1:1.6, suction port is arranged on noise reduction cavity one side lower part, silencing and damping tube inlet is corresponding in one-level silencing and damping chamber with suction port, the outlet of silencing and damping pipe is connected with air outlet.
2. the freezer compressor air suction silencer of raising gettering efficiency according to claim 1, is characterized in that: described suction port is broadening formation.
3. the freezer compressor air suction silencer of raising gettering efficiency according to claim 1, is characterized in that: described silencing and damping pipe is arranged in noise reduction cavity by fixing frame.
4. the freezer compressor air suction silencer of raising gettering efficiency according to claim 1, is characterized in that: described silencing and damping pipe is provided with pressure relief opening in secondary silencing and damping chamber.
5. the freezer compressor air suction silencer of raising gettering efficiency according to claim 4, is characterized in that: described pressure relief opening is two and is symmetricly set on silencing and damping pipe.
6. according to the freezer compressor air suction silencer of the raising gettering efficiency described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described silencing and damping pipe comprises the inlet duct, the first reduction of speed bend pipe, the second straight tube, the 3rd reduction of speed bend pipe, the 4th reduction of speed bend pipe, the 5th straight tube and the outer pipe that are linked in sequence successively, between the 3rd reduction of speed bend pipe and the 4th reduction of speed bend pipe, is provided with pressure relief opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155280.9U CN203835666U (en) | 2014-03-31 | 2014-03-31 | Freezer compressor air suction silencer capable of improving air suction efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155280.9U CN203835666U (en) | 2014-03-31 | 2014-03-31 | Freezer compressor air suction silencer capable of improving air suction efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203835666U true CN203835666U (en) | 2014-09-17 |
Family
ID=51513514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420155280.9U Withdrawn - After Issue CN203835666U (en) | 2014-03-31 | 2014-03-31 | Freezer compressor air suction silencer capable of improving air suction efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203835666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925190A (en) * | 2014-03-31 | 2014-07-16 | 扎努西电气机械天津压缩机有限公司 | Freezer compressor suction silencer capable of improving sucking efficiency |
-
2014
- 2014-03-31 CN CN201420155280.9U patent/CN203835666U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925190A (en) * | 2014-03-31 | 2014-07-16 | 扎努西电气机械天津压缩机有限公司 | Freezer compressor suction silencer capable of improving sucking efficiency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140917 Effective date of abandoning: 20170606 |
|
| AV01 | Patent right actively abandoned |