CN203771653U

CN203771653U - Silencer

Info

Publication number: CN203771653U
Application number: CN201420143589.6U
Authority: CN
Inventors: 刘红斌
Original assignee: Guangdong Chigo Heating and Ventilation Equipment Co Ltd
Current assignee: Guangdong Chigo Heating and Ventilation Equipment Co Ltd
Priority date: 2014-03-27
Filing date: 2014-03-27
Publication date: 2014-08-13
Anticipated expiration: 2024-03-27

Abstract

The utility model provides a silencer which is used for silencing a compressor of an air conditioner. The silencer comprises two necking sections and an intermediate section arranged between the two necking sections. The intermediate section comprises a linear section and a helical section. In the silencer, the intermediate section arranged between the two necking sections is used for silencing and provided with the linear section and the helical section, when the silencer in such structure is compared with a conventional silencer with a straight-pipe intermediate section, the length of the intermediate section with the helical section is larger than the original intermediate section of the straight pipe structure on the premise of the same total length, therefore, the requirement of the length of the intermediate section for eliminating noise can be further met, limit of mounting space for the length of the silencer is greatly reduced, production cost increase due to additional arrangement of silencers is avoided, and more importantly, silencing effect of an air-conditioning refrigerating system can be further improved.

Description

A kind of muffler

Technical field

The utility model relates to air conditioner parts technical field, more particularly, relates to a kind of muffler.

Background technology

Compressor in air-conditioning refrigeration system, especially uses the air-conditioning system of rotor-type compressor, and it can produce low-frequency noise (buzz) in system in running, and this sound can be delivered to indoor, has a strong impact on people's normal work and rest.And in order to reduce and to eliminate this abnormal sound, generally can in air-conditioning system, increase muffler.

Muffler in current air-conditioning refrigeration system, be generally one section of linear pattern copper pipe, two port design is the form of spinning reducing (contraction mouth with inclination periphery), refrigerant directly enters directly from muffler, and in actual application, due to the restriction of locus, linear pattern muffler size in the longitudinal direction can not be oversize, so cause such muffler effect undesirable.

And for noise being dropped to comparatively desirable state, that conventionally the muffler on blast pipe need to be done is long as far as possible, it is larger that divergence ratio is done as far as possible.But, the reason of spatial limitation makes above-mentioned set-up mode cannot adapt to whole installation environments, and in order to address this problem, just have to respectively adopt a muffler on blast pipe and low pressure valve are taken over, can increase muffler again like this and greatly increased the production cost of air-conditioning.

Therefore, not increasing under the prerequisite of muffler magnitude setting, how further to improve erasure effect, is current those skilled in the art's problem demanding prompt solution.

Utility model content

In view of this, the utility model provides a kind of muffler, and this kind of muffler reduced the restriction of installing space to himself structure, can further improve the noise of air-conditioning refrigeration system.

In order to achieve the above object, the utility model provides following technical scheme:

A muffler, for the compressor of air-conditioning is carried out to noise reduction, comprises two reducing sections and the interlude that is positioned at two described reducing section middle parts, and wherein, described interlude comprises straightway and spiral section.

Preferably, in above-mentioned muffler, described straightway is two, and is communicated with by described spiral section.

Preferably, in above-mentioned muffler, on two described straightways, be provided with expansion arc, the internal diameter of described expansion arc is greater than the internal diameter of described straightway.

Preferably, in above-mentioned muffler, two described expansion arcs arrange near two different described reducing sections respectively.

In the muffler that the utility model provides, between two reducing sections at two ends, and for playing the interlude of sound deadening, there is straightway and spiral section, the muffler of this kind of structure is compared with the muffler that traditional interlude is straight pipe type, under the identical prerequisite of entire length, the length with the interlude of spiral section is greater than the interlude of original straight tube structure, thereby can further meet the requirement abating the noise to middle segment length, not only reduced the restriction of installing space to silencer length, also without increasing the magnitude setting of muffler, cause the raising of production cost, the more important thing is and can further improve the erasure effect to air-conditioning refrigeration system.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

The structural representation of the muffler that Fig. 1 provides for the utility model embodiment.

In upper Fig. 1:

A1 and A2 are respectively two reducing sections, and B section is interlude, and C1 and C2 are respectively two straightways of interlude, and D is spiral section, and E1 and E2 are respectively two expansion arcs.

The specific embodiment

The utility model provides a kind of muffler, and this kind of muffler reduced the restriction of installing space to himself structure, can further improve the noise of air-conditioning refrigeration system.

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

As shown in Figure 1, the muffler that the utility model embodiment provides, for the compressor of air-conditioning is carried out to noise reduction, comprise two reducing section A1 and A2, and the interlude B that is positioned at two reducing section A1 and A2 middle part, wherein, interlude B comprises straightway and spiral section, and interlude B is bend pipe structure.

In the muffler that the present embodiment provides, between two reducing section A1 and A2 at two ends, and for playing the interlude B of sound deadening, it has straightway and spiral section, the muffler of this kind of structure is compared with the muffler that traditional interlude is straight pipe type, by changing the planform of muffler, make muffler in use not be subject to the restriction of perpendicular direction (being silencer length direction) bulk, under the identical prerequisite of entire length, the length with the interlude B of spiral section is greater than the interlude of original straight tube structure, thereby can further meet the requirement abating the noise to interlude B length, not only reduced the restriction of installing space to silencer length, also without increasing the magnitude setting of muffler, cause the raising of production cost, the more important thing is and can further improve the erasure effect to air-conditioning refrigeration system.

In order further to optimize technique scheme, in the muffler that the present embodiment provides, it is C1 and the C2 in Fig. 1 that straightway is two, and is communicated with by spiral section, and spiral section is between two straightway C1 and C2.In the present embodiment, the muffler of bend pipe structure not only can make its length longer, and volume also can do more, and can effectively reduce the pressure fluctuation of refrigerant.The interlude B of concrete bend pipe structure has various ways, such as spiral-shaped structure, U-shaped structure, V-structure, W type structure or Wave-shaped structural etc., it can both realize the length that increases interlude B, avoid refrigerant directly to enter directly in interlude B, and for the consideration of actual installation environment and application requirements, in the present embodiment, preferred interlude B is by two straightway C1, C2 and the spiral section D between two straightway C1, C2, as shown in Figure 1.

Further, on two straightways of interlude B, be respectively arranged with an expansion arc, the internal diameter of these two expansion arc E1 and E2 is greater than the internal diameter of interlude B and reducing section A1 and A2, and these two expansion arc E1 and E2 arrange near different two reducing section A1 and A2 respectively, and (expansion arc E1 arranges near reducing section A1, expansion arc E2 arranges near reducing section A2), as shown in Figure 1.Curved shape and two ends that muffler adopts straight line to add helical structure form contraction mouth, on interlude B, there are expansion arc E1 and E2, muffler in use can not be subject to the restriction of bulk on length direction, the volume of silencer can do more, can effectively reduce the pressure fluctuation of refrigerant, increase the mobile resistance of refrigerant, reduce the mobile speed of refrigerant, to reduce refrigeration system particularly the medium and low frequency noise in rotor compressor system there is good soundproof effect.

In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.

Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims

1. a muffler, for the compressor of air-conditioning is carried out to noise reduction, comprises two reducing sections and the interlude that is positioned at two described reducing section middle parts, it is characterized in that, described interlude comprises straightway and spiral section.

2. muffler according to claim 1, is characterized in that, described straightway is two, and is communicated with by described spiral section.

3. according to the muffler described in any one in claim 2, it is characterized in that, on two described straightways, be provided with expansion arc, the internal diameter of described expansion arc is greater than the internal diameter of described straightway.

4. muffler according to claim 3, is characterized in that, two described expansion arcs arrange near two different described reducing sections respectively.