CN212130734U - Micro-perforated pipe partition type exhaust buffer cavity - Google Patents
Micro-perforated pipe partition type exhaust buffer cavity Download PDFInfo
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- CN212130734U CN212130734U CN202020863075.3U CN202020863075U CN212130734U CN 212130734 U CN212130734 U CN 212130734U CN 202020863075 U CN202020863075 U CN 202020863075U CN 212130734 U CN212130734 U CN 212130734U
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Abstract
The utility model discloses a little perforated pipe iris type exhaust cushion chamber has the cushion chamber body, and the one end of cushion chamber is equipped with the air inlet, and the other end is equipped with the gas outlet, especially: 1-3 micro-perforated partition plates are arranged in the buffer cavity at intervals along the axial direction, micro-perforated pipes are arranged on the air inlet and/or the air outlet and/or the micro-perforated partition plates of the buffer cavity, exhaust holes are processed in the micro-perforated partition plates and the micro-perforated pipes, and the perforation rates of the micro-perforated partition plates and the micro-perforated pipes are 1-3%; the utility model discloses simple structure, design benefit through micro-perforation baffle and micro-perforated pipe, separates into a plurality of cavities with the buffer chamber internal part, and compressor exhaust high temperature high pressure air current strikes each other in a plurality of cavities, has reduced the air current velocity of flow, takes place the reflection and interferes and offset some sound energy each other in the transmission process, compares with current exhaust buffer chamber, and the noise cancelling effect is better.
Description
Technical Field
The utility model relates to a compressor exhaust cushion chamber designs technical field, specifically is a microperforated tubular diaphragm formula exhaust cushion chamber.
Background
The exhaust cushion chamber of current compressor is mostly a cavity, see figure 1, figure 2, current exhaust cushion chamber has cushion chamber 1 body, the cavity of cushion chamber has air inlet 2 and gas outlet 3, respectively be connected with an exhaust duct 4 on air inlet and the gas outlet, the air inlet has certain angle difference with the axis of the exhaust duct that the gas outlet is connected, and air inlet exhaust duct inwards extends at the cushion chamber and has certain degree of depth, the cross-sectional change of mainly utilizing the pipeline lets compressor exhaust high temperature high pressure gas slow down at the cushion chamber velocity of flow, and the reflection consumes the acoustic energy in the cushion chamber. Although the buffer cavity with the structure can reduce certain noise, the ideal effect can not be achieved, and the requirements of high-end users can not be met.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the exhaust buffer cavity of the micro-perforated pipe partition plate type is provided, aiming at the problems that the structural design of the exhaust buffer cavity of the existing compressor is not perfect, the noise generated during the working process can not achieve the ideal effect, and the requirement of a high-end user can not be met.
The technical scheme of the utility model is that: microperforated tubular partition board formula exhaust cushion chamber has the cushion chamber body, and the one end of cushion chamber is equipped with the air inlet, and the other end is equipped with gas outlet, its characterized in that: the buffer cavity is internally provided with 1-3 micro-perforated partition plates at intervals along the axial direction, micro-perforated pipes are arranged on the air inlet and/or the air outlet of the buffer cavity and/or the micro-perforated partition plates, exhaust holes are processed in the micro-perforated partition plates and the micro-perforated pipes, and the perforation rate of the micro-perforated partition plates and the micro-perforated pipes is 1-3%.
The utility model discloses in exhaust hole on micro-perforation baffle and the micro-perforation pipe is circular, polygon, oval or other dysmorphism hole, and the diameter in exhaust hole is less than or equal to 1mm, and the thickness of baffle is less than or equal to 1 mm.
The utility model discloses in the shape of micro-perforation baffle is flat board, arc or other special-shaped structure's board.
The utility model discloses in the cross sectional shape of microperforated pipe is circular, polygon, oval or other special-shaped structure, and the pipe wall thickness of microperforated pipe is less than or equal to 1 mm.
The utility model discloses in the microperforated pipe is the pipeline of straight tube, return bend or other shapes.
The utility model discloses in the quantity of the little perforation baffle in the buffer cavity is 1 ~ 3, and the little perforated pipe quantity on every little perforation baffle is 0 ~ 2.
The utility model discloses in the quantity of the little perforation baffle in the cushion chamber is 1 ~ 3, and the little perforated pipe quantity on every little perforation baffle is 1, and all is located the cushion chamber axis.
The utility model discloses in the quantity of the little perforation baffle in the buffer cavity is 2 ~ 3, and the quantity of the little perforation pipe on every little perforation baffle is 1 ~ 2, and the little perforation pipe dislocation arrangement on two adjacent little perforation baffles.
The utility model discloses in the quantity of the little perforation baffle in the buffer cavity is 2 ~ 3, and the coaxial arrangement of the little perforation pipe on all little perforation baffles.
The utility model discloses simple structure, design benefit is through setting up one or more microperforated baffles inside the exhaust cushion chamber to be equipped with the microperforated pipe on the income of exhaust cushion chamber, gas outlet or the microperforated baffle, thereby separate into a plurality of cavities with the cushion intracavity part. Part of high-temperature and high-pressure airflow discharged by the compressor is reflected at the part without the small holes of the partition plate and the micro perforated pipe, part of the airflow passes through the small holes and then is impacted and reflected mutually, and the reflected sound energy interferes with the sound energy of a specific frequency band and is counteracted mutually; part of sound energy can rub with burrs around the small holes to be converted into heat energy to be dissipated, meanwhile, high-temperature and high-pressure air flows impact each other in the plurality of chambers, the air flow speed is reduced, and reflection and interference occur in the propagation process to mutually offset part of sound energy. Therefore, compared with the existing exhaust buffer cavity structure, the micro-perforated pipe clapboard type exhaust buffer cavity has better silencing effect.
Drawings
FIG. 1 is a schematic front view of a conventional exhaust buffer chamber;
FIG. 2 is a front view in half section of a prior art exhaust buffer chamber;
fig. 3 is a front view structure half-sectional view of embodiment 1 of the present invention;
fig. 4 is a front view structure half-sectional view of embodiment 2 of the present invention;
fig. 5 is a front view structure half-sectional view of embodiment 3 of the present invention;
fig. 6 is a front view structure half-sectional view of embodiment 4 of the present invention;
fig. 7 is a front view structure half-sectional view of embodiment 5 of the present invention;
fig. 8 is a front view structure half-sectional view of embodiment 6 of the present invention;
fig. 9 is a front view structure half-sectional view of embodiment 7 of the present invention;
fig. 10 is a front view structure half-sectional view of embodiment 8 of the present invention.
In the figure, 1 is a buffer cavity, 2 is an air inlet, 3 is an air outlet, 4 is an exhaust pipeline, 5 is a micro-perforated partition plate, 6 is a micro-perforated pipe, and 7 is an exhaust hole.
Detailed Description
Example 1
Referring to fig. 3, the technical solution of this embodiment is: micro-perforated pipe baffle type exhaust cushion chamber has 1 body in cushion chamber, and the one end in cushion chamber is equipped with air inlet 2, and the other end is equipped with gas outlet 3, has arranged 2 micro-perforated baffles 5 along axial interval in cushion chamber, all is equipped with micro-perforated pipe 6 on 2 micro-perforated baffles in cushion chamber, and two micro-perforated pipes all are located the axis of cushion chamber 1, and the mouth of pipe of two micro-perforated pipes is just to arranging, micro-perforated baffle 5 with processing has exhaust hole 7 on the micro-perforated pipe 6, and the perforation rate on micro-perforated baffle 5 and the micro-perforated pipe 6 is 2%.
In this embodiment, the micro-perforated partition plate 5 and the vent holes 6 on the micro-perforated pipe 6 are circular, and the diameter of the vent holes is 1 mm.
The shape of the micro-perforated partition 5 in this embodiment is a flat plate structure, and the thickness is 1 mm.
In this embodiment, the cross-sectional shape of the microperforated tube 6 is circular, and the wall thickness of the microperforated tube is 0.7 mm.
In this embodiment, the microperforated tube is a straight tube.
Example 2
Referring to fig. 4, the technical solution of this embodiment is: micro-perforated pipe diaphragm type exhaust cushion chamber has 1 body in cushion chamber, and the one end in cushion chamber is equipped with air inlet 2, and the other end is equipped with gas outlet 3, has 2 micro-perforated baffles 5 along axial interval arrangement in cushion chamber, all is equipped with micro-perforated pipe 6 on 2 micro-perforated baffles in cushion chamber, and two micro-perforated pipes all are located the axis of cushion chamber 1, and the mouth of pipe staggered arrangement of two micro-perforated pipes, micro-perforated baffle 5 with processing has exhaust hole 7 on the micro-perforated pipe 6, and the perforation rate on micro-perforated baffle 5 and the micro-perforated pipe 6 is 2%.
In this embodiment, the micro-perforated partition plate 5 and the vent holes 6 on the micro-perforated pipe 6 are circular, and the diameter of the vent holes is 1 mm.
The shape of the micro-perforated partition 5 in this embodiment is a flat plate structure, and the thickness is 1 mm.
In this embodiment, the cross-sectional shape of the microperforated tube 6 is circular, and the wall thickness of the microperforated tube is 0.7 mm.
In the micro-perforated pipe in this embodiment, one of the micro-perforated pipes is a straight pipe, and the other is a bent pipe.
Example 3
Referring to fig. 5, the technical solution of this embodiment is: the micro-perforated pipe partition type exhaust buffer cavity is provided with a buffer cavity 1 body, one end of the buffer cavity is provided with an air inlet 2, the other end of the buffer cavity is provided with an air outlet 3, 1 micro-perforated partition plate 5 is arranged in the buffer cavity along the axial direction, 1 micro-perforated pipe 6 is arranged on the micro-perforated partition plate, the micro-perforated partition plate 5 and the micro-perforated pipe 6 are processed with an exhaust hole 7, the perforation rate on the micro-perforated partition plate is 3%, and the perforation rate on the micro-perforated pipe is 1%.
In this embodiment, the micro-perforated partition plate 5 and the vent holes 7 on the micro-perforated pipe 6 are square, and the diameter of the vent holes is 1 mm.
The shape of the micro-perforated partition 5 in this embodiment is a flat plate with a thickness of 1 mm.
In this embodiment, the microperforated tube 6 has a square cross-sectional shape, and the wall thickness of the microperforated tube is 0.7 mm.
In this embodiment, the microperforated pipe 6 is a straight pipe.
Example 4
Referring to fig. 6, the technical solution of this embodiment is: the utility model provides a little perforation pipe baffle formula exhaust cushion chamber has the cushion chamber body, and the one end of cushion chamber is equipped with the air inlet, and the other end is equipped with the gas outlet, has arranged 1 little perforation baffle along the axial in the cushion chamber, is equipped with 1 little perforation pipe on little perforation baffle, little perforation baffle with it has the exhaust hole to process on the little perforation pipe, and the perforation rate on the little perforation baffle is 2%, and the perforation rate on the little perforation pipe is 3%.
In this embodiment, the micro-perforated partition plate and the vent holes on the micro-perforated pipe are circular, and the diameter of the vent holes is 1 mm.
In this embodiment, the shape of the micro-perforated partition is a flat plate with a thickness of 1 mm.
In this embodiment, the cross-sectional shape of the microperforated tube is circular, and the wall thickness of the microperforated tube is 0.8 mm.
The microperforated tube in this example is a bent tube.
Example 5
Referring to fig. 7, the technical solution of this embodiment is: the utility model provides a little perforated pipe baffle formula exhaust cushion chamber, has the cushion chamber body, and the one end of cushion chamber is equipped with the air inlet, and the other end is equipped with the gas outlet, has arranged 1 little perforated baffle along the axial in the cushion chamber, is equipped with 2 little perforated pipes on little perforated baffle, little perforated baffle with it has the exhaust hole to process on the little perforated pipe, and the length and the pipe diameter of two little perforated pipes are all different, and the perforation rate on the little perforated baffle is 3%, and the perforation rate on the little perforated pipe is 2%.
In this embodiment, the micro-perforated partition plate and the vent holes on the micro-perforated pipe are circular, and the diameter of the vent holes is 0.6 mm.
In this embodiment, the shape of the micro-perforated partition is a flat plate with a thickness of 1 mm.
In this embodiment, the cross-sectional shape of the microperforated tube is circular, and the wall thickness of the microperforated tube is 0.6 mm.
In this embodiment, the microperforated pipe is a straight pipe.
Example 6
Referring to fig. 8, the technical solution of this embodiment is: the utility model provides a little perforation pipe baffle formula exhaust cushion chamber, has the cushion chamber body, and the one end of cushion chamber is equipped with the air inlet, and the other end is equipped with the gas outlet, has 2 little perforation baffles along axial interval arrangement in the cushion chamber, and coaxial wear to be equipped with a little perforation pipe on 2 little perforation baffles of cushion chamber, little perforation baffle with it has the exhaust hole to process on the little perforation pipe, exhaust hole staggered arrangement on 2 little perforation baffles, and the percent of opening on the little perforation baffle is 1%, and the percent of perforation on the little perforation pipe is 2%.
In this embodiment, the micro-perforated partition plate and the vent holes on the micro-perforated pipe are elliptical, and the diameter of the vent holes is 0.9 mm.
In this embodiment, the shape of the micro-perforated partition board is a flat plate structure, and the thickness is 1 mm.
In this embodiment, the cross-sectional shape of the microperforated tube is elliptical, and the wall thickness of the microperforated tube is 0.7 mm.
In this embodiment, the microperforated pipe is a straight pipe.
Example 7
Referring to fig. 9, the technical solution of this embodiment is: the utility model provides a little perforated pipe baffle formula exhaust cushion chamber, has 1 body in cushion chamber, and the one end in cushion chamber is equipped with air inlet 2, and the other end is equipped with gas outlet 3, has 1 little perforated baffle 5 along axial interval arrangement in cushion chamber, is equipped with little perforated pipe 6 in air inlet one end, little perforated baffle with it has the exhaust hole to process on the little perforated pipe, and the percent opening on little perforated pipe and the little perforated baffle is 3%.
In this embodiment, the micro-perforated partition plate 5 and the micro-perforated pipe 6 have circular vent holes with a diameter of 1 mm.
In this embodiment, the micro-perforated partition 5 has a wave-shaped structure and a thickness of 1 mm.
Example 7
Referring to fig. 10, the technical solution of this embodiment is: the utility model provides a little perforated pipe baffle formula exhaust cushion chamber, has 1 body in cushion chamber, and the one end in cushion chamber is equipped with air inlet 2, and the other end is equipped with gas outlet 3, has 2 little perforated baffles 5 along axial interval arrangement in cushion chamber to be equipped with little perforated pipe 6 in gas outlet one end, little perforated baffle with all process exhaust hole 7 on the little perforated pipe, the exhaust hole staggered arrangement on 2 little perforated baffles, the percent opening on little perforated baffle and the little perforated pipe is 3%.
In this embodiment, the exhaust holes on the micro-perforated partition plate and the micro-perforated pipe are circular, and the diameter of the exhaust hole is 1 mm.
In this embodiment, the shape of the micro-perforated partition board is a flat plate structure, and the thickness is 1 mm.
The above embodiments are merely examples of some specific embodiments of the present invention, and not exhaustive of all embodiments, and any person can make equivalent or similar changes, enlargements or reductions to the structure of the present invention under the principle of the claims of the present invention, and all should be considered as falling within the protection scope of the claims of the present invention.
Claims (9)
1. Microperforated tubular partition board formula exhaust cushion chamber has the cushion chamber body, and the one end of cushion chamber is equipped with the air inlet, and the other end is equipped with gas outlet, its characterized in that: the buffer cavity is internally provided with 1-3 micro-perforated partition plates at intervals along the axial direction, micro-perforated pipes are arranged on the air inlet and/or the air outlet of the buffer cavity and/or the micro-perforated partition plates, exhaust holes are processed in the micro-perforated partition plates and the micro-perforated pipes, and the perforation rate of the micro-perforated partition plates and the micro-perforated pipes is 1-3%.
2. The microperforated tube baffled vent buffer chamber of claim 1, wherein: the micro-perforated partition plate and the vent holes in the micro-perforated pipe are circular, polygonal or elliptical, the diameter of the vent holes is less than or equal to 1mm, and the thickness of the partition plate is less than or equal to 1 mm.
3. The microperforated tube baffled vent buffer chamber of claim 1, wherein: the shape of the micro-perforated clapboard is a flat plate or an arc plate.
4. The microperforated tube baffled vent buffer chamber of claim 1, wherein: the section of the micro-perforated pipe is circular, polygonal or elliptical, and the wall thickness of the micro-perforated pipe is less than or equal to 1 mm.
5. The microperforated tube baffled vent buffer chamber of claim 1, wherein: the micro-perforated pipe is a straight pipe or a bent pipe.
6. The microperforated tube baffled vent buffer chamber of claim 1, wherein: the number of the micro-perforation partition plates in the buffer cavity is 1-3, and the number of the micro-perforation pipes on each micro-perforation partition plate is 0-2.
7. The microperforated tube baffled vent buffer chamber of claim 1, wherein: the number of the micro-perforated partition plates in the buffer cavity is 2-3, the number of the micro-perforated pipes on each micro-perforated partition plate is 1, and the micro-perforated pipes are all located on the axis of the buffer cavity.
8. The microperforated tube baffled vent buffer chamber of claim 1, wherein: the number of the micro-perforation partition plates in the buffer cavity is 2-3, the number of the micro-perforation pipes on each micro-perforation partition plate is 1-2, and the micro-perforation pipes on two adjacent micro-perforation partition plates are arranged in a staggered mode.
9. The microperforated tube baffled vent buffer chamber of claim 1, wherein: the number of the micro-perforation partition plates in the buffer cavity is 2-3, and the micro-perforation pipes on all the micro-perforation partition plates are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020863075.3U CN212130734U (en) | 2020-05-21 | 2020-05-21 | Micro-perforated pipe partition type exhaust buffer cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020863075.3U CN212130734U (en) | 2020-05-21 | 2020-05-21 | Micro-perforated pipe partition type exhaust buffer cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212130734U true CN212130734U (en) | 2020-12-11 |
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ID=73669986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020863075.3U Active CN212130734U (en) | 2020-05-21 | 2020-05-21 | Micro-perforated pipe partition type exhaust buffer cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212130734U (en) |
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2020
- 2020-05-21 CN CN202020863075.3U patent/CN212130734U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210625 Address after: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee after: Huangshi Dongbei Compressor Co.,Ltd. Address before: No. 6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |