CN211343260U - Porous structure air suction flow channel silencing cavity - Google Patents
Porous structure air suction flow channel silencing cavity Download PDFInfo
- Publication number
- CN211343260U CN211343260U CN201921901620.7U CN201921901620U CN211343260U CN 211343260 U CN211343260 U CN 211343260U CN 201921901620 U CN201921901620 U CN 201921901620U CN 211343260 U CN211343260 U CN 211343260U
- Authority
- CN
- China
- Prior art keywords
- air suction
- air
- cover
- suction
- suction holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a porous structure air suction flow channel silencing cavity relates to the technical field of compressor manufacturing, including amortization chamber body, inlet end and exhaust end, the air inlet end is equipped with the air bar admittedly, air bar one end has set firmly the cover of breathing in, a plurality of suction holes have been seted up to air bar inside, the suction hole both ends respectively with amortization chamber body inside and the cover intercommunication of breathing in, it is circular or rectangle, a plurality of to breathe in the cover opening part the size of suction hole is the same or different, and is a plurality of the length of suction hole is the same. Through above-mentioned technical scheme, the total area of a plurality of suction holes equals with the area in single hole, and the area of every suction hole diminishes, and when suction pressure is the same, gaseous flow rate through single suction hole accelerates, and gaseous specific volume can reduce, and gaseous flow through porous increases, and then the unit refrigeration capacity of compressor can increase.
Description
Technical Field
The utility model relates to a technical field that the compressor was made, concretely relates to porous structure air suction flow channel amortization chamber.
Background
In some electrical appliances having a refrigeration function, a compressor is an essential part, the compressor is mainly used for sucking air and then converting low-pressure gas into high-pressure gas, when the compressor sucks the gas, gas noise is generated due to gas flow, and in order to reduce the noise, an air suction noise reduction cavity is generally added at an air suction port of the compressor, so that the noise can be reduced. The air suction silencing cavity comprises an air suction pipeline, the air suction pipeline of the air suction silencing cavity mainly acts on an air suction channel of the compressor, the physical characteristics and the sound of air are changed through the shape, the size and the length of the channel, and the existing channel is basically in a single-channel form or has no air suction channel.
Chinese patent publication No. CN202756200U discloses a suction silencing cavity applied to a refrigeration compressor, which mainly comprises an air inlet channel, a silencing chamber, a microporous partition plate, and an exhaust channel, wherein the silencing chamber is provided with the air inlet channel and the exhaust channel respectively, and the bottom of the silencing chamber is provided with an oil leakage hole; the silencing chamber is divided into an upper silencing chamber and a lower silencing chamber by a microporous partition plate, and the microporous partition plate is fixedly connected with the upper silencing chamber and the lower silencing chamber in a sealing way; the microporous partition board is provided with a plurality of air holes, and the total cross section of the through holes is larger than that of the air inlet channel.
The technical scheme has the following defects: when gas passes through the gas inlet channel under the premise of certain suction pressure, the flow speed is high, the temperature is low, and the flow is large; above-mentioned technical scheme inlet channel adopts the haplopore form, and when inlet channel demand flow was big, the inlet channel of haplopore form need increase the hole area so that guarantee the flow, and behind the hole area increase, will cause the gas flow rate to slow down, breathes in the specific volume and increases, and then leads to compressor unit refrigerating output to diminish.
Disclosure of Invention
The utility model aims at the problem that prior art exists, provide a porous structure air suction flow channel amortization chamber, under equal pressure, increase the gas flow rate, increase gas flow, and then increase compressor unit refrigerating output.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a porous structure air suction flow channel silencing cavity, includes silencing cavity body, inlet end and exhaust end, the inlet end is equipped with the ventilation arm admittedly, ventilation arm one end has set firmly the cover of breathing in, a plurality of suction holes have been seted up to ventilation arm inside, the suction hole both ends respectively with silencing cavity body inside and the cover intercommunication of breathing in, the cover opening part of breathing in is circular or rectangle, and is a plurality of the size of suction hole is the same or different, a plurality of the length of suction hole is the same.
Through above-mentioned technical scheme, the total area of a plurality of suction holes equals with the area in single hole, only the area of every suction hole diminishes, and when suction pressure is the same, gaseous pressure through single suction hole can increase, and then during porous setting, gaseous velocity of flow in every single hole can be fast than the velocity of flow when the single hole sets up, gas temperature reduces, and then gaseous specific volume can reduce, the gas flow that porous setting passed through was great than the gas flow that the single hole set up to pass through this moment, the unit gas volume in the entering compressor also can increase, and then the unit refrigeration volume of compressor can increase when porous setting.
Furthermore, the air suction holes are arranged in a circular shape, the sizes of the air suction holes are the same, and the diameters of the air suction holes are between 3mm and 4 mm.
Further, the length of the vent rod is between 5mm and 7 mm.
Through the technical scheme, the sizes and the lengths of the plurality of air suction holes are the same, so that the air suction holes can be processed more conveniently, and the diameters of the air suction holes are between 3mm and 4mm and the lengths of the air ventilation rods are between 5mm and 7mm according to the air displacement of the compressor, so that the displacement of the compressor is met.
Further, the length direction of the air suction hole is parallel to the length direction of the ventilation rod.
Through above-mentioned technical scheme, parallel arrangement can reduce the processing degree of difficulty of suction hole between a plurality of suction holes.
Furthermore, the number of the air suction holes is two, and when the openings of the air suction cover are rectangular, the arrangement direction of the air suction holes is parallel to the length direction of the openings of the air suction cover.
Through above-mentioned technical scheme, the suction hole sets up to two, can increase the gas velocity of flow, and then under the same pressure, gaseous flow can increase, and the gas that gets into in the cover of breathing in can be more fully absorbed by the suction hole with the opening shape adaptation of the cover of breathing in of arranging of suction hole.
Furthermore, the number of the air suction holes is three, and the arrangement form of the three air suction holes is matched with the shape of the opening of the air suction cover.
Through above-mentioned technical scheme, the suction hole sets up to three, can increase the gas flow rate, and under the same pressure, gaseous flow can increase, can increase compressor unit refrigeration volume this moment, simultaneously, the suction hole arrange with the opening shape adaptation of the cover of breathing in, can make the inspiratory gas of cover of breathing in can be fast more fully by the suction hole absorption this moment.
Compared with the prior art, the beneficial effects of the utility model are that:
1. by arranging the plurality of air suction holes, the total area of the plurality of air suction holes is unchanged, and under the condition that the air suction pressure is the same, the air flow rate can be increased by arranging the plurality of air suction holes, so that the air flow is increased, and the unit refrigerating capacity of the compressor is increased;
2. the diameter of the air suction hole is arranged between 3mm and 4mm, and the length of the air vent rod is arranged between 5mm and 7mm, so that the air vent rod can correspond to the displacement of the compressor, and the displacement of the compressor can meet the requirement;
3. through the arrangement form of the air suction holes and the shape adaptation of the opening of the air suction cover, air sucked by the air suction cover can enter the air suction holes more fully and quickly.
Drawings
Fig. 1 is a schematic structural view of a circular opening of an air suction cover of a silencing cavity of an air suction flow channel with a porous structure according to the present invention;
FIG. 2 is a schematic structural view of the muffling chamber of the porous structure of the present invention, when the opening of the air suction cover is rectangular;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a partial cross-sectional view of FIG. 1;
FIG. 5 is a side view of FIG. 2;
FIG. 6 is a schematic structural view of the case where three suction holes are provided in FIG. 3;
FIG. 7 is a schematic structural view of the case where three suction holes are provided in FIG. 5;
in the figure: 1. a silencing cavity body; 2. an exhaust end; 3. an oil outlet hole; 4. a ventilation bar; 5. an air intake cover; 6. and (4) an air suction hole.
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.
The first embodiment is as follows:
referring to fig. 1 and 2, a porous structure suction flow channel silencing cavity comprises a silencing cavity body 1, an air inlet end and an air outlet end 2, wherein an oil outlet 3 is formed in one end of the silencing cavity body 1, and the air outlet end 2 is fixedly arranged on the silencing cavity body 1 and is far away from one end of the oil outlet 3. The air inlet end is fixedly provided with a ventilation rod 4, the ventilation rod 4 is arranged in a cylinder shape, one end of the ventilation rod 4 is fixedly arranged on one side wall of the silencing cavity body 1, the axis of the ventilation rod 4 is back to the oil outlet 3 and is obliquely arranged upwards, and an included angle of 5 degrees to 10 degrees is formed between the axis and the horizontal plane. The other end fixedly connected with of ventilation rod 4 cover 5 of breathing in, 5 one end openings of cover and open end of breathing in set up to ventilation rod 4 dorsad, and 5 openings of cover of breathing in are circular or the rectangle setting. Referring to fig. 4, the ventilation rod 4 is provided with an air suction hole 6 therein, and two ends of the air suction hole 6 are respectively communicated with the air suction cover 5 and the interior of the silencing chamber body 1. The air suction cover 5 sucks air, and then the air enters the interior of the silencing cavity body 1 through the air suction holes 6 and then enters the compressor through the exhaust end 2.
Referring to fig. 3 and 4, the number of the suction holes 6 is two, the two suction holes 6 are tangent and tangent to the axis of the ventilation rod 4, the suction holes 6 are circularly arranged, the axis of the suction holes 6 is parallel to the axis of the ventilation rod 4, and the total area of the two suction holes 6 is the same as the area of a single hole when the single hole of the silencing cavity is arranged. The diameters of the two suction holes 6 are both between 3mm and 4mm, the diameters of the two suction holes 6 can be different or the same, wherein preferably the diameters are the same, the lengths of the two suction holes 6 are the same as the length of the ventilation bar 4 and change along with the length change of the ventilation bar 4, the length of the ventilation bar 4 is between 5mm and 7mm, and the diameters of the suction holes 6 and the length of the ventilation bar 4 are selected according to the discharge capacity of a compressor. Referring to fig. 5, when the opening of the suction hood 5 is rectangular, the arrangement of the suction holes 6 is adapted to the opening of the suction hood 5, that is, the length direction of the arrangement of the suction holes 6 is the same as the length direction of the opening of the suction hood 5. The total area that suction hole 6 set up two and suction hole 6 is unchangeable, can make suction hole 6 increase at the gaseous velocity of flow that the unchangeable condition of suction pressure absorbed, and then can increase gas flow, increase the unit refrigerating output of compressor. The arrangement mode of the air suction holes 6 can enable air sucked by the air suction cover 5 to enter the air suction holes 6 more fully and quickly.
Example two:
the present embodiment is different from the first embodiment in that the number of the air suction holes 6 is three.
Specifically, referring to fig. 6 and 7, the number of the air suction holes 6 is three, and when the opening of the air suction cover 5 is circular, the arrangement form of the air suction holes 6 is matched with the shape of the opening of the air suction cover 5, that is, every two of the air suction holes 6 are tangent and the axes of the three air suction holes 6 are located on the same circumference. When the opening of the air suction cover 5 is rectangular, the air suction holes 6 are arranged in a straight line shape, and the length direction of the arrangement is consistent with the length direction of the opening of the air suction cover 5. The arrangement mode through setting up the suction hole 6 and the 5 open-ended looks adaptations of cover of breathing in can make the gas that the cover of breathing in 5 inhales can be more abundant through suction hole 6.
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 (6)
1. The utility model provides a porous structure air suction flow channel silencing cavity, includes silencing cavity body, inlet end and exhaust end, its characterized in that, the inlet end is equipped with the ventilation arm admittedly, ventilation arm one end has set firmly the cover of breathing in, a plurality of suction holes have been seted up to ventilation arm inside, the suction hole both ends respectively with silencing cavity body inside and the cover intercommunication of breathing in, the cover opening part of breathing in is circular or rectangle, and is a plurality of the size of suction hole is the same or different, and is a plurality of the length of suction hole is the same.
2. The silencing chamber with the porous structure and the air suction flow channel as claimed in claim 1, wherein the air suction holes are arranged in a circular shape, the sizes of the air suction holes are the same, and the diameters of the air suction holes are between 3mm and 4 mm.
3. The muffling chamber of claim 1, wherein the length of the vent is between 5mm to 7 mm.
4. The silencing chamber for the air suction flow passage of the porous structure as recited in any one of claims 2 and 3, wherein the length direction of the air suction holes is parallel to the length direction of the air vent.
5. The silencing chamber with the porous structure and the air suction flow channel as claimed in claim 4, wherein the number of the air suction holes is two, and when the opening of the air suction cover is rectangular, the arrangement direction of the air suction holes is parallel to the length direction of the opening of the air suction cover.
6. The silencing chamber for the air suction flow passage with the porous structure as claimed in claim 4, wherein the number of the air suction holes is three, and the arrangement form of the three air suction holes is matched with the opening shape of the air suction cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921901620.7U CN211343260U (en) | 2019-11-06 | 2019-11-06 | Porous structure air suction flow channel silencing cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921901620.7U CN211343260U (en) | 2019-11-06 | 2019-11-06 | Porous structure air suction flow channel silencing cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211343260U true CN211343260U (en) | 2020-08-25 |
Family
ID=72091523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921901620.7U Active CN211343260U (en) | 2019-11-06 | 2019-11-06 | Porous structure air suction flow channel silencing cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211343260U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143080A (en) * | 2021-03-31 | 2022-10-04 | 安徽美芝制冷设备有限公司 | Suction muffler, compressor and household appliance |
| CN115143076A (en) * | 2021-03-31 | 2022-10-04 | 安徽美芝制冷设备有限公司 | Suction muffler, compressor and household appliance |
-
2019
- 2019-11-06 CN CN201921901620.7U patent/CN211343260U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143080A (en) * | 2021-03-31 | 2022-10-04 | 安徽美芝制冷设备有限公司 | Suction muffler, compressor and household appliance |
| CN115143076A (en) * | 2021-03-31 | 2022-10-04 | 安徽美芝制冷设备有限公司 | Suction muffler, compressor and household appliance |
| CN115143080B (en) * | 2021-03-31 | 2023-07-28 | 安徽美芝制冷设备有限公司 | Suction muffler, compressor and household appliance |
| CN115143076B (en) * | 2021-03-31 | 2023-09-12 | 安徽美芝制冷设备有限公司 | Suction muffler, compressor and household appliance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211343260U (en) | Porous structure air suction flow channel silencing cavity | |
| CN215595841U (en) | Compressor and refrigerating and heating equipment | |
| CN202746148U (en) | Suction muffler of refrigeration compressor | |
| CN109915343A (en) | Flow guiding silencer and compressor and air conditioner using same | |
| CN210599324U (en) | Noise reduction device and compressor | |
| CN203584729U (en) | Helmholtz type silencer | |
| CN207437164U (en) | Tuning structure inside main muffler | |
| CN208565000U (en) | A kind of denoising device at vacuum pump discharges end | |
| CN204024973U (en) | A kind of freezer compressor air suction silencer | |
| CN216198803U (en) | Silencer for light commercial compressor | |
| CN209244773U (en) | A kind of double cannula structures of the muffler of refrigeration compressor | |
| CN201621042U (en) | Compressor muffle | |
| CN209510574U (en) | Suction line and compressor | |
| CN208364399U (en) | Compressor and its exhaust structure | |
| CN112177885A (en) | Silencer, compressor and refrigerator | |
| CN202756200U (en) | Air suction and sound attenuation cavity applied to refrigerating compressor | |
| CN201635958U (en) | Suction muffler used by refrigerating compressor | |
| CN207830071U (en) | A kind of air suction silencer for totally-enclosed compressor | |
| CN220955965U (en) | Suction muffler with characteristic noise elimination performance for refrigerator compressor | |
| CN215444333U (en) | Big commercial compressor is with amortization chamber of breathing in | |
| CN208918845U (en) | A kind of rotary-vane type air conditioning compressor air intake passage structure | |
| CN217898114U (en) | Suction muffler, compressor and refrigeration equipment | |
| CN211900921U (en) | Novel compressor suction muffler | |
| CN213743898U (en) | Suction muffler with honeycomb hole structure and compressor | |
| CN217055517U (en) | A kind of muffler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |