CN213020280U - Silencer for air conditioner - Google Patents

Abstract

The utility model discloses an idle call muffler, which comprises a bod, organism left end middle part fixedly connected with intake pipe, organism right-hand member middle part fixedly connected with outlet duct, the equal fixedly connected with mount pad in organism front end lower part and rear end lower part, two the mounting hole of break-over about mount pad upper end left part and upper end right part have all been opened, the inside working chamber that opens of organism, intake pipe and outlet duct all communicate with each other with the working chamber is inside, working chamber left part fixed mounting has medium-high frequency sound wave processing apparatus, working chamber right part fixed mounting has low frequency sound wave processing apparatus, working chamber and low frequency sound wave processing apparatus and the equal inside intercommunication of medium-high frequency sound wave processing apparatus. An idle call muffler, can be with the whole elimination of the noise of different frequency bands, improved the noise reduction of muffler greatly, and the internals is detachable concatenation formula structure, easy to assemble and dismantlement have the cost of maintenance that has significantly reduced.

Description

Silencer for air conditioner

Technical Field

The utility model relates to an air conditioner accessory technical field especially relates to an idle call muffler.

Background

In air conditioning systems, the devices used to reduce the aerodynamic noise propagating along the wind ducts are called mufflers; the silencer of the air-conditioning refrigeration pipeline system is a component which can not only enable airflow to pass, but also effectively reduce noise, and is an important measure for eliminating aerodynamic noise; common types of mufflers are: resistive mufflers, reactive mufflers; resonance type mufflers and the like; the resistance type silencing has a good silver eliminating effect on middle and high frequency noises, and the resonance type silencer has a good silencing effect on low frequency noises.

The existing silencing for air conditioners often has the following defects in use: 1. the existing air conditioner silencer often adopts a specific type of silencer to reduce noise, and although the silencer can reduce noise to a certain extent, the silencer with the structure aims at the limited noise frequency band and has no silencing effect on the noise of other frequency bands; 2. the structure of the existing silencer is generally an integrated structure, the processing of the welding sleeve in the silencer is troublesome, the efficiency is low, the welding easily causes the shell to be damaged, the quality is influenced, and the qualification rate is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an idle call muffler can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an idle call muffler, includes the organism, organism left end middle part fixedly connected with intake pipe, organism right-hand member middle part fixedly connected with outlet duct, the equal fixedly connected with mount pad in organism front end lower part and rear end lower part, two the mounting hole of break-over about mount pad upper end left part and upper end right part have all been opened, the inside work chamber that has opened of organism, intake pipe and outlet duct all communicate with each other with the work intracavity is inside, work intracavity left part fixed mounting has medium-high frequency sound wave processing apparatus, work intracavity right part fixed mounting has low frequency sound wave processing apparatus, work chamber and low frequency sound wave processing apparatus and medium-high frequency sound wave processing apparatus are all inside to communicate with each other.

Preferably, the medium-high frequency sound wave processing device comprises a silencing block, a plurality of air inlets are formed in the left end of the silencing block, a plurality of air outlets are formed in the right end of the silencing block, a curved channel is formed between each air outlet and each air inlet, and the silencing block is connected with the left part of the working cavity in a clamping mode.

Preferably, the curved channel is communicated with the air inlet and the air outlet, and the curved channel is composed of a plurality of semi-annular pipelines.

Preferably, the low-frequency sound wave processing device comprises a second silencing block, the middle of the left end of the second silencing block is provided with a gas gathering groove, the right part of the second silencing block is provided with a resonant cavity, the left cavity wall and the right cavity wall of the resonant cavity are jointly and alternately connected with a gas guide pipe, the outer surface of the gas guide pipe, which is located in the resonant cavity, is provided with a plurality of resonant holes, and the second silencing block is clamped with the right part of the working cavity.

Preferably, the resonance hole is communicated with the inside of the resonance cavity, and the gas gathering groove is communicated with the working cavity through a gas guide pipe.

Preferably, the air inlet pipe is located on the right left side of the medium-high frequency sound wave processing device, and the air outlet pipe is located on the right side of the low-frequency sound wave processing device.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, set up well high frequency sound wave processing apparatus in the left part of working chamber, set up low frequency sound wave processing apparatus in the right part of working chamber, the air conditioner is gaseous at first through well high frequency sound wave processing apparatus, with well high frequency's noise absorption consumption, is absorbing the consumption with low frequency noise through low frequency sound wave processing apparatus, can eliminate the noise of different frequency bands whole like this, has improved the noise reduction of muffler greatly.

2. The utility model discloses in, be detachable concatenation formula structure at the well high frequency sound wave processing apparatus and the low frequency sound wave processing apparatus that set up, easy to assemble and dismantlement, cost of maintenance has significantly reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of an air conditioner silencer according to the present invention;

fig. 2 is a schematic sectional view of an air conditioner silencer according to the present invention;

fig. 3 is a schematic structural view of a medium-high frequency sound wave processing device of an air conditioner silencer according to the present invention;

fig. 4 is a schematic structural view of a low-frequency sound wave processing device of an air conditioner silencer.

In the figure: 1. a body; 2. an air inlet pipe; 3. an air outlet pipe; 4. a mounting seat; 5. mounting holes; 6. a working chamber; 7. a medium-high frequency acoustic wave processing device; 8. a low frequency sound wave processing device; 71. a first silencing block; 72. an air inlet; 73. an air outlet; 74. a curve path; 81. a second silencing block; 82. a gas gathering tank; 83. a resonant cavity; 84. an air duct; 85. a resonant hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a muffler for an air conditioner, including organism 1, 1 left end middle part fixedly connected with intake pipe 2 of organism, 1 right-hand member middle part fixedly connected with outlet duct 3 of organism, 1 front end lower part of organism and the equal fixedly connected with mount pad 4 of rear end lower part, the mounting hole 5 of upper end left part and upper end right part break-over about two mount pads 4 all opened, 1 inside division of organism has working chamber 6, intake pipe 2 and outlet duct 3 all communicate with each other with working chamber 6 is inside, left part fixed mounting has medium and high frequency sound wave processing apparatus 7 in working chamber 6, right part fixed mounting has low frequency sound wave processing apparatus 8 in working chamber 6, working chamber 6 communicates with each other with low frequency sound wave processing apparatus 8 and medium and high frequency sound wave processing apparatus 7 are all inside.

The medium-high frequency sound wave processing device 7 comprises a first silencing block 71, the left end of the first silencing block 71 is provided with a plurality of air inlets 72, the right end of the first silencing block 71 is provided with a plurality of air outlets 73, a curved channel 74 is arranged between the air outlets 73 and the air inlets 72, and the first silencing block 71 is clamped with the left part of the working cavity 6; the curved channel 74 is communicated with the air inlet 72 and the air outlet 73, and the curved channel 74 is composed of a plurality of semi-annular pipelines, so that the speed of noise can be reduced, the persistence time of the noise in the curved channel 74 can be greatly increased, the noise reduction first silencing block 71 is favorably composed of sound absorption materials, and the structure can generate better noise reduction effect on middle and high frequency noise; the low-frequency sound wave processing device 8 comprises a second silencing block 81, wherein the middle part of the left end of the second silencing block 81 is provided with a gas gathering groove 82, the right part inside the second silencing block 81 is provided with a resonant cavity 83, the left cavity wall and the right cavity wall of the resonant cavity 83 are jointly and alternately connected with a gas guide pipe 84, the outer surface of the gas guide pipe 84, which is positioned inside the resonant cavity 83, is provided with a plurality of resonant holes 85, and the second silencing block 81 is clamped with the right part of the working cavity 6; the resonant hole 85 is communicated with the interior of the resonant cavity 83, and the air collecting groove 82 is communicated with the working cavity 6 through the air guide pipe 84, so that the structure can generate better noise reduction effect on low-frequency noise; the air inlet pipe 2 is positioned right to the left of the medium-high frequency sound wave processing device 7, and the air outlet pipe 3 is positioned right to the right of the low-frequency sound wave processing device 8.

It should be noted that, the utility model relates to an idle call muffler, when using this kind of idle call muffler, whether there is the condition that the part damaged in this kind of idle call muffler of earlier inspection, the check is after faultless, installs in assigned position, the during operation through mounting hole 5 with two mount pads 4 of this idle call muffler: noise-containing gas in the air conditioner firstly enters the working cavity 6 through the air inlet pipe 2 and then enters the curved channel 74 through the plurality of air inlets 72 at the left end of the first silencing block 71, the flow rate of the noise in the curved channel 74 is reduced, the curved channel 74 is composed of a plurality of semi-annular pipelines, the residence time of the noise in the pipelines is greatly prolonged, the first silencing block 71 is composed of sound absorption materials, and the structure has a good absorption effect on medium-high frequency noise; the air flows out from the air outlet 73 at the right end of the first silencing block 71, then is gathered through the air gathering groove 82, enters from the left end of the air guide pipe 84, and forms a resonance sound absorption structure through the air column in the resonance hole 85 on the outer surface of the air guide pipe 84 and the air in the resonance cavity 83, the structure can absorb and consume the low-frequency-band noise, and the noise-reduced air is discharged out of the second silencing block 81 from the right end of the air guide pipe 84 and finally discharged out of the air outlet pipe 3; this is the working principle of the silencer for air conditioner.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A silencer for an air conditioner comprises a machine body (1), and is characterized in that: organism (1) left end middle part fixedly connected with intake pipe (2), organism (1) right-hand member middle part fixedly connected with outlet duct (3), organism (1) front end lower part and the equal fixedly connected with mount pad (4) in rear end lower part, two mounting hole (5) that upper end left part and upper end right part have upper and lower break-over are all opened to mount pad (4), organism (1) inside is opened there is working chamber (6), intake pipe (2) and outlet duct (3) all communicate with each other with working chamber (6) are inside, left part fixed mounting has medium and high frequency sound wave processing apparatus (7) in working chamber (6), right part fixed mounting has low frequency sound wave processing apparatus (8) in working chamber (6), working chamber (6) and low frequency sound wave processing apparatus (8) and medium and high frequency sound wave processing apparatus (7) are all inside to communicate with each other.

2. A silencer for an air conditioner according to claim 1, wherein: the medium-high frequency sound wave processing device (7) comprises a silencing block (71), a plurality of air inlets (72) are formed in the left end of the silencing block (71), a plurality of air outlets (73) are formed in the right end of the silencing block (71), a curved channel (74) is formed between the air outlets (73) and the air inlets (72), and the silencing block (71) is connected with the left portion of the working cavity (6) in a clamped mode.

3. A silencer for an air conditioner according to claim 2, wherein: the curved channel (74) is communicated with the air inlet (72) and the air outlet (73), and the curved channel (74) is formed by a plurality of semi-annular pipelines.

4. A silencer for an air conditioner according to claim 1, wherein: the low-frequency sound wave processing device (8) comprises a second silencing block (81), the middle of the left end of the second silencing block (81) is provided with a gas gathering groove (82), the right part of the second silencing block (81) is provided with a resonant cavity (83), the left cavity wall and the right cavity wall of the resonant cavity (83) are jointly inserted and connected with a gas guide pipe (84), the outer surface of the gas guide pipe (84) in the resonant cavity (83) is provided with a plurality of resonance holes (85), and the second silencing block (81) is connected with the right part of the working cavity (6) in a clamping mode.

5. A silencer for an air conditioner according to claim 4, wherein: the resonance hole (85) is communicated with the inside of the resonance cavity (83), and the gas gathering groove (82) is communicated with the working cavity (6) through a gas guide pipe (84).

6. A silencer for an air conditioner according to claim 1, wherein: intake pipe (2) are located the positive left of medium-high frequency sound wave processing apparatus (7), outlet duct (3) are located right-hand side just of low frequency sound wave processing apparatus (8).

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