CN212535978U - Air suction silencer for air suction at same side of compressor - Google Patents
Air suction silencer for air suction at same side of compressor Download PDFInfo
- Publication number
- CN212535978U CN212535978U CN202020704988.0U CN202020704988U CN212535978U CN 212535978 U CN212535978 U CN 212535978U CN 202020704988 U CN202020704988 U CN 202020704988U CN 212535978 U CN212535978 U CN 212535978U
- Authority
- CN
- China
- Prior art keywords
- pipe
- suction
- compressor
- air suction
- silencing cavity
- 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
Abstract
The utility model discloses a suction muffler for sucking air from the same side of a compressor, belonging to the technical field of mufflers, wherein the compressor comprises a process pipe, an air suction pipe, an exhaust pipe and a suction muffler, wherein the air suction pipe and the exhaust pipe are positioned at the same side of the suction muffler; the air suction silencer comprises a shell, wherein an air outlet and an air suction port are formed in the shell, the air suction port is used for being connected with the air suction pipe, the shell is provided with a plurality of sequentially communicated silencing cavities, each silencing cavity comprises an upper silencing cavity and a lower silencing cavity, each lower silencing cavity comprises a left silencing cavity and a right silencing cavity, each right silencing cavity is communicated with the air suction port, and each upper silencing cavity is communicated with the air outlet. The utility model discloses a connect breathing pipe and blast pipe homonymy, can improve the mode of breathing in, guarantee that direct air suction performance level is unchangeable, through the multilevel throttle moreover, the velocity of flow is reduced by the diffusion, has weakened the intensity of radiated noise.
Description
Technical Field
The utility model relates to a muffler technical field, in particular to be used for inspiratory muffler of breathing in of compressor homonymy.
Background
A hermetic reciprocating type refrigerator compressor generally employs a motor to drive a crank-connecting rod-piston mechanism, and uses reed-type suction and discharge valves to perform suction and compression of refrigerant. Since the suction-compression process at a certain frequency is not continuous, fluctuations occur in the refrigerant transfer process, resulting in air flow noise. In order to reduce the noise of the air flow of the compressor, the simplest and most effective method is to increase the thickness of the shell of the compressor, but the cost of the compressor is increased; the most cost-effective way is by providing a suction muffler.
The assembly mode of the prior suction muffler and a compressor is shown in attached figures 1 and 2, and the compressor comprises a suction pipe 1, a process pipe 2, an exhaust pipe 3 and a suction muffler 4; the air suction silencer 4 comprises an upper silencing cavity 5, a lower silencing chamber 6, a partition plate 7 and an air suction port 11, wherein the air suction port 11 is correspondingly attached to the air suction pipe 1. However, some refrigerator manufacturers design the pipeline system of the refrigerator at present, and change the mode that the existing air suction pipe 1 and the existing exhaust pipe 3 are positioned at the same side, so that the compressor designed according to the different sides of the air suction pipe 1 and the exhaust pipe 3 needs to be additionally connected with a section of copper pipe to solve the problem of welding the refrigerator body when the refrigerator body is welded, or part of the refrigerator manufacturers directly use the original process pipe 2 as the air suction pipe 1, and when the refrigerator body is connected with the air suction pipe 1 and the process pipe 2 to be exchanged, the air suction mode can be changed, and the performance and the noise are influenced. Secondly, the existing air suction silencer is generally composed of two silencing cavities and a communicating pipeline, as shown in figure 2, airflow flows from bottom to top, the silencing mode is simple, the air flowing path is close, the air flowing path cannot be effectively utilized, and the noise reduction effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to the not enough of above prior art, the utility model aims to provide a muffler of breathing in for compressor homonymy is inspiratory, through on the basis in current compressor structure and amortization chamber, with breathing pipe and blast pipe homonymy connection, can improve the mode of breathing in, guarantee directly that the air suction performance level is unchangeable, carry out the multistage throttle through the amortization chamber moreover, the air current expands and compresses in turn many times in the amortization intracavity, the velocity of flow is reduced by the diffusion, has weakened the intensity of radiated noise.
In order to achieve the above object, the present invention is specifically realized by the following techniques:
a suction muffler for sucking air from the same side of a compressor, wherein the compressor comprises a process pipe, an air suction pipe, an exhaust pipe and the suction muffler, and the air suction pipe and the exhaust pipe are positioned on the same side of the suction muffler;
the air suction silencer comprises a shell, wherein an air outlet and an air suction port are formed in the shell, the air suction port is communicated with the shell, the air suction port is used for being connected with an air suction pipe of the compressor, the shell is provided with a plurality of sequentially communicated sound attenuation cavities, each sound attenuation cavity comprises an upper sound attenuation cavity and a lower sound attenuation cavity, each lower sound attenuation cavity comprises a left sound attenuation cavity and a right sound attenuation cavity, each right sound attenuation cavity is communicated with the air suction port, and each upper sound attenuation cavity is communicated with the air outlet.
Adopt above-mentioned technical scheme: after the air suction pipe and the exhaust pipe are connected on the same side, air flow enters from the air suction pipe, does not flow through the interior of the compressor shell, but directly enters the silencing cavity from the air suction port to package the supply of air discharge capacity, so that the performance of the compressor and the noise reduction efficiency of the air suction silencer cannot be influenced. The suction muffler is matched with the compressor, airflow flows into the right muffling cavity from the air suction pipe through the air suction port, expansion muffling is carried out by utilizing the volume difference between the air suction port and the right muffling cavity, when the air enters the right muffling cavity from the air suction port, the volume of the air is increased, the pressure in the cavity is reduced, the airflow speed is rapidly diffused and reduced, the impact of the airflow on the cavity is weakened, the radiation noise intensity is reduced, the airflow subjected to primary noise reduction enters the left muffling cavity from the right muffling cavity, and throttling noise reduction is carried out again through volume expansion and air pressure reduction; and finally, the air enters the upper silencing cavity through the left silencing cavity, and throttling and noise reduction are carried out for the third time, so that the impact pressure of the air flow is effectively improved, and the radiation noise is remarkably reduced. Secondly, the air current passes through communicating pipe and the in-process that the conduction pipe flows in proper order into left noise elimination chamber and upper noise elimination chamber, and partly gaseous can be full in right noise elimination chamber and left noise elimination intracavity, and the air current is in the circulation, collides vertical baffle and perpendicular baffle after, reflects part sound wave back to the sound source direction for the wave crest reflection of air current sound wave superposes each other with the trough of the sound wave of emergence source direction, thereby reduces the sound wave frequency, further reaches the purpose of making an uproar.
Furthermore, the left silencing cavity and the right silencing cavity are communicated through a communicating pipe, and one end of the communicating pipe is in butt joint with the air suction port.
Further, a left side amortization chamber and upper amortization chamber pass through the conduction pipe intercommunication, the upper end of conduction pipe with the top parallel and level in lower amortization chamber, the lower extreme of conduction pipe extends to in the amortization chamber of a left side, just the lower extreme of conduction pipe with a left side amortization chamber bottom keeps there being the interval.
Adopt above-mentioned technical scheme: under the condition that does not increase the whole volume of the muffler of breathing in, fully rationally utilized the inner space of the muffler of breathing in, through communicating pipe, conduction pipe and a plurality of baffle effect, prolonged gas circulation route, reduced gaseous local resistance loss, under the condition that does not influence the efficiency of breathing in, promoted the noise reduction effect of the muffler of breathing in.
Furthermore, a throttle pipe is fixedly arranged in the air suction port, one end of the throttle pipe extends out of the shell, and the other end of the throttle pipe is in butt joint with the communicating pipe. Through the length of throttle pipe extension air inlet, can be better form the negative pressure at the gas entrance of throttle pipe, make gaseous throttle effect strengthen greatly to the efficiency of breathing in has been improved.
Further, the inner diameter of the throttle pipe is the same as that of the communicating pipe.
Furthermore, the volumes of the upper silencing cavity, the left silencing cavity and the right silencing cavity are equivalent.
Adopt above-mentioned technical scheme: the volumes of the upper silencing cavity, the left silencing cavity and the right silencing cavity are equal, and the inner diameter of the throttling pipe is the same as that of the communicating pipe, so that the fluid is alternately expanded and compressed in the whole flowing process, the airflow pulsation is greatly weakened, and the optimal silencing effect is achieved.
Further, the throttle pipe stretches out the tip outside the casing is equipped with the bellows, forms loudspeaker column structure through the bellows, and loudspeaker column structure with the compressor can coincide the contact, can let directly breathe in more thoroughly, consequently, the low temperature air current of compressor backward flow passes through the bellows and gets into the amortization chamber, does not mix with the high temperature air current of compressor inner chamber, and compressor refrigerating output and performance are all by the loss, and the cold and hot air current in the compressor can not influence the operation of the muffler of breathing in.
The utility model has the advantages that:
1. on the basis of current compressor structure and noise reduction chamber, when the customer selects the box homonymy to connect, the application the utility model discloses a homonymy noise reduction chamber can improve the mode of breathing in, guarantees that direct air suction performance level is unchangeable, and the air current can not flow through compressor housing inside, but directly gets into the noise reduction chamber from the induction port, packs the supply of gas displacement to can not influence compressor performance and the muffler noise reduction efficiency of breathing in.
2. Through the multi-level throttling of the silencing cavity, the volume of the airflow in the silencing cavity is increased for many times, the pressure is reduced, the flow velocity is reduced by diffusion, and the intensity of radiation noise is weakened, so that the high-frequency noise caused by airflow pulsation is obviously reduced, and the noise problem of the compressor is solved; according to the noise analysis software for the opposite side sound-deadening cavity and the same side sound-deadening cavity, the noise-deadening effect is simulated, and the opposite side sound-deadening cavity has a good noise-deadening effect in the frequency band of 950-5500 Hz in the same side sound-deadening cavity.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a compressor and suction muffler installation of the prior art;
FIG. 2 is a schematic view of a prior art suction muffler;
FIG. 3 is the installation schematic diagram of the suction muffler and the compressor for the same-side suction of the compressor in embodiment 1;
FIG. 4 is a schematic view showing the construction of a suction muffler for the same-side suction of a compressor in accordance with embodiment 1;
FIG. 5 is a plan view of the lower muffling chamber of embodiment 1;
FIG. 6 is a diagram showing the muffling effect of the suction muffler for the same-side suction of the compressor of the embodiment 1;
in the figure, 1, suction pipe; 2. a process tube; 3. an exhaust pipe; 4. a suction muffler; 5. an upper silencing chamber; 6. a lower muffling chamber; 61. a left muffling chamber; 62. a right muffling chamber; 7. a partition plate; 71. a horizontal partition plate; 72. a vertical partition; 8. a communicating pipe; 9. a conduction pipe; 10. an air outlet; 11. an air suction port; 12. a throttle pipe; 13. a bellows.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 3-5, the compressor comprises a process pipe 2, an air suction pipe 1, an air discharge pipe 3 and an air suction muffler 4, wherein the air suction pipe 1 and the air discharge pipe 3 are positioned on the same side of the air suction muffler 4;
the air suction muffler 4 comprises a shell, the shell is provided with a plurality of sequentially communicated muffling cavities, each muffling cavity comprises an upper muffling cavity 5 and a lower muffling cavity 6, each lower muffling cavity 6 comprises a left muffling cavity 61 and a right muffling cavity 62, specifically, a plurality of partition plates 7 are arranged in the shell, each partition plate 7 comprises a horizontal partition plate 71 and a vertical partition plate 72 which are perpendicular to each other, and the horizontal partition plate 71 divides the inner cavity of the shell into the upper muffling cavity 5 and the lower muffling cavity 6 to form a structure with two cavities arranged in parallel; a vertical partition plate 72 is arranged in the lower silencing cavity 6, and the vertical partition plate 72 divides the inner cavity of the lower silencing cavity 6 into a left silencing cavity 61 and a right silencing cavity 62 to form a two-cavity parallel arrangement structure; an orifice is arranged on the vertical partition plate 72, a communicating pipe 8 is arranged at the position of the orifice, one end of the communicating pipe 8 is directly butted with the air suction port 11, a conducting pipe 9 is arranged at the part of the horizontal partition plate 71, which is positioned in the left silencing chamber 61, the air outlet part of the conducting pipe 9 is aligned with the air outlet 10 on the shell, the upper end of the conducting pipe 9 is flush with the top of the lower silencing chamber 6, namely, the upper end of the conducting pipe 9 is flush with the horizontal partition plate 71, and the lower end of the conducting pipe 9 extends into the left silencing chamber 61 and keeps a distance from the bottom of the left silencing chamber 61; the right silencing cavity 62, the left silencing cavity 61 and the upper silencing cavity 5 are sequentially communicated through a communicating pipe 8 and a conducting pipe 9 to form a series structure, an air outlet 10 is formed in the top of the upper silencing cavity 5, an air suction port 11 is formed in the side portion of the right silencing cavity 62, the air suction port 11 is communicated with the shell, and the air suction port 11 is used for being directly connected with an air suction pipe 1 of the compressor shell.
A throttle pipe 12 is fixedly arranged in the air suction port 11, one end of the throttle pipe 12 extends out of the shell, a corrugated pipe 13 is arranged at the end part of the throttle pipe 12 extending out of the shell, a horn-shaped structure is formed by the corrugated pipe 13, and the horn-shaped structure is in fit contact with the air suction pipe 1 of the compressor, so that the direct air suction is more thorough; the other end of the throttle pipe 12 is directly butted against the communicating pipe 8. In order to improve the gas throttling effect, it is further preferable that the inner diameter of the throttling pipe 12 is the same as that of the communicating pipe 8, and the volumes of the upper silencing chamber 5, the left silencing chamber 61 and the right silencing chamber 62 are equal, so that the gas flow can be alternately expanded and compressed in the circulation process, the gas flow pulsation is greatly weakened, and the optimal silencing effect is improved.
Adopt above-mentioned technical scheme: on the basis of the existing compressor structure and the silencing cavity, when a customer selects the same side of the compressor air suction pipe 1 and the exhaust pipe 3 to be connected, the silencing cavity for sucking air on the same side is used, so that the air suction mode can be improved, and the air suction efficiency of directly sucking air is ensured to be unchanged; meanwhile, a plurality of partition plates 7, communicating pipes 8 and conducting pipes 9 are added, so that airflow pulsation can be improved, the gas circulation path can be prolonged, the local resistance loss of gas can be reduced, the gas suction efficiency can be ensured, and the noise reduction effect of the gas suction silencer 4 can be improved. With this inspiratory amortization chamber of homonymy and compressor cooperation, the air current flows into right amortization chamber 62, left amortization chamber 61 and upper amortization chamber 5 in proper order through induction port 11 from breathing pipe 1, carries out the cubic throttle and falls and make an uproar, and then effectively improves the impulse pressure of air current, is showing the reduction radiation noise. The multi-level throttling is carried out through the silencing cavity, the volume of the airflow in the silencing cavity is increased for many times, the pressure is reduced, the flow speed is diffused and reduced, and the intensity of radiation noise is weakened, so that the high-frequency noise caused by the airflow pulsation is obviously reduced, and the noise problem of the compressor is solved; according to the noise analysis software for the opposite side sound-deadening cavity and the same side sound-deadening cavity, the noise-deadening effect is simulated, and referring to fig. 6, the sound-deadening effect of the same side sound-deadening cavity is good at the opposite side sound-deadening cavity in the frequency band of 950-5500 Hz.
Claims (7)
1. A suction muffler for sucking air from the same side of a compressor, wherein the compressor comprises a process pipe (2), an air suction pipe (1), an air exhaust pipe (3) and the suction muffler (4), and is characterized in that the air suction pipe (1) and the air exhaust pipe (3) are positioned on the same side of the suction muffler (4);
inhale muffler (4) and include the casing, be equipped with gas outlet (10) and induction port (11) on the casing, induction port (11) with the casing switches on, and induction port (11) be used for with breathing pipe (1) of compressor are connected, the casing has a plurality of amortization chambeies that communicate in proper order, the amortization chamber includes last amortization chamber (5) and lower amortization chamber (6), lower amortization chamber (6) are including left amortization chamber (61) and right amortization chamber (62), right side amortization chamber (62) with induction port (11) intercommunication, last amortization chamber (5) with gas outlet (10) intercommunication.
2. Suction muffler for compressor ipsilateral suction, according to claim 1, characterized in that said left (61) and right (62) muffling chambers are connected by a communicating pipe (8), one end of said communicating pipe (8) being in butt joint with said suction port (11).
3. The suction muffler for the same-side suction of the compressor as the claim 1, wherein the left silencing cavity (61) and the upper silencing cavity (5) are communicated through a conducting pipe (9), the upper end of the conducting pipe (9) is flush with the top of the lower silencing cavity (6), the lower end of the conducting pipe (9) extends into the left silencing cavity (61), and the lower end of the conducting pipe (9) is spaced from the bottom of the left silencing cavity (61).
4. The suction muffler for the same-side suction of the compressor as the claim 2, characterized in that a throttle pipe (12) is fixedly arranged in the suction port (11), one end of the throttle pipe (12) extends out of the housing, and the other end of the throttle pipe (12) is butted with the communicating pipe (8).
5. Suction muffler for compressor ipsilateral suction according to claim 4, characterized in that said throttle pipe (12) is of the same internal diameter as said communicating pipe (8).
6. Suction muffler for the ipsilateral suction of a compressor, according to claim 4, characterized in that the end of said throttle pipe (12) that protrudes outside said shell is provided with a bellows (13).
7. Suction muffler for ipsilateral suction of a compressor, according to claim 1, characterized in that said upper muffling chamber (5), left muffling chamber (61) and right muffling chamber (62) have a volume equivalent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020704988.0U CN212535978U (en) | 2020-04-30 | 2020-04-30 | Air suction silencer for air suction at same side of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020704988.0U CN212535978U (en) | 2020-04-30 | 2020-04-30 | Air suction silencer for air suction at same side of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212535978U true CN212535978U (en) | 2021-02-12 |
Family
ID=74540131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020704988.0U Active CN212535978U (en) | 2020-04-30 | 2020-04-30 | Air suction silencer for air suction at same side of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212535978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046487A1 (en) * | 2022-08-31 | 2024-03-07 | 安徽美芝制冷设备有限公司 | Suction muffler, compressor, and electrical device |
-
2020
- 2020-04-30 CN CN202020704988.0U patent/CN212535978U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046487A1 (en) * | 2022-08-31 | 2024-03-07 | 安徽美芝制冷设备有限公司 | Suction muffler, compressor, and electrical device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4911619A (en) | Suction system of hermetic refrigeration compressor | |
| CN107989775B (en) | Muffler for compressor and compressor | |
| CN201100797Y (en) | Dual-channel liquid storage with air absorption pipe with muffling structure | |
| CN113357129B (en) | Exhaust noise reduction structure, compressor and refrigeration equipment | |
| CN108343590B (en) | Exhaust silencer structure of compressor | |
| CN212535978U (en) | Air suction silencer for air suction at same side of compressor | |
| CN215595841U (en) | Compressor and refrigerating and heating equipment | |
| CN112177887B (en) | Exhaust silencing structure and compressor | |
| CN216198803U (en) | Silencer for light commercial compressor | |
| CN213743896U (en) | Multistage expansion exhaust muffler and compressor | |
| CN215805019U (en) | Silencer, compressor and household appliance | |
| CN111946593A (en) | Air suction silencer and compressor with same | |
| CN112177885A (en) | Silencer, compressor and refrigerator | |
| CN113638865A (en) | S-shaped communicating pipe silencer for refrigerator compressor | |
| JP4290544B2 (en) | Air conditioner | |
| CN106438286B (en) | The Reciprocting piston compressor of energy-saving and noise-reducing silencing vibration-damping and its noise reduction sound-deadening method | |
| CN115288979B (en) | Piston compressor and refrigerating device | |
| CN217898114U (en) | Suction muffler, compressor and refrigeration equipment | |
| CN213838829U (en) | Noise reduction shell with honeycomb pore plate and compressor | |
| CN217055519U (en) | Noise elimination air pump | |
| CN212928201U (en) | Silencer, compressor and electrical equipment | |
| CN212535982U (en) | Special-shaped communicated silencer for refrigerator compressor | |
| CN217602867U (en) | Silencing cavity structure for improving air suction efficiency | |
| CN216922508U (en) | Compressor assembly and refrigeration equipment | |
| CN115143080B (en) | Suction muffler, compressor and household appliance |
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: 20210617 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: 435003 No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Hubei Province Patentee before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |