CN218000631U - Silencing assembly, expansion valve and air conditioning system - Google Patents

Abstract

The utility model provides a amortization subassembly, expansion valve and air conditioning system, the amortization subassembly includes: the silencing component is arranged in the flow passage, and a silencing channel is arranged on the silencing component; the sound-deadening channel includes a flow-through groove provided at a surface of the sound-deadening member, the flow-through groove being recessed with respect to the surface of the sound-deadening member. The utility model provides a relatively poor problem of noise elimination effect of amortization subassembly among the prior art.

Description

Silencing assembly, expansion valve and air conditioning system

Technical Field

The utility model relates to an expansion valve amortization technical field particularly, relates to a amortization subassembly, expansion valve and air conditioning system.

Background

At present, in the use process of the electronic expansion valve, due to unstable flow of two-phase fluid and different sizes of bubbles before or after throttling, discontinuous noise is easy to generate and the noise value is larger.

In the prior art, a silencing structure is usually arranged on an electronic expansion valve, the silencing structure comprises a plurality of silencing blocks with fine holes, and a refrigerant achieves the silencing effect in the process of flowing through the fine holes.

However, the above-described noise reduction structure is complicated in structure, and the refrigerant flows through the two stages of the pore passages, so that impurities in the refrigerant are easily blocked in the pore passages, which affects the noise reduction effect.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a amortization subassembly, expansion valve and air conditioning system to solve the relatively poor problem of noise cancelling effect of the amortization subassembly among the prior art.

In order to achieve the above object, according to a first aspect of the present invention, there is provided a noise reduction assembly, comprising: the silencing component is provided with a silencing channel; the sound-deadening channel includes a flow-through groove provided at a surface of the sound-deadening member, the flow-through groove being recessed with respect to the surface of the sound-deadening member.

Further, the noise reduction assembly further comprises: and the flow channel is arranged in the silencing part.

Further, the flow-through groove is recessed toward the middle of the sound deadening member with respect to the surface of the sound deadening member; the silencer component includes relative first end and the second end that sets up, and the circulation slot is the heliciform extension from silencer component's first end to silencer component's second end.

Further, the flow-through groove is recessed toward the middle of the sound-deadening member with respect to the surface of the sound-deadening member; the flow-through channel extends along a curved trajectory; alternatively, the flow channel extends in the axial direction of the sound deadening member.

Further, the circulation grooves are provided in plurality at intervals in the circumferential direction of the silencer component.

Further, connect through the bellying between two adjacent circulation grooves, the amortization subassembly still includes: the silencer comprises a bracket, a silencer component and a silencer component, wherein the bracket is internally provided with an installation cavity; be provided with location portion on the internal face of installation cavity, location portion is extended towards the middle part direction of installation cavity by the internal face of installation cavity, and location portion has the bearing terminal surface, and bearing terminal surface and bellying laminating carry out the bearing to the amortization part through location portion.

Further, the hole center line of the flow channel is parallel to the axis of the silencing part; alternatively, the flow channels extend along curved trajectories.

Furthermore, the number of the flow channels is multiple, and the multiple flow channels are arranged in the silencing component at intervals.

Further, the noise reduction assembly further comprises: the silencer comprises a bracket, a silencer component and a silencer component, wherein the bracket is internally provided with an installation cavity; at least part of the silencing component is in interference fit with the mounting cavity; or the silencing component is riveted with the inner wall surface of the mounting cavity.

According to the utility model discloses a second aspect provides an expansion valve, including valve body and amortization subassembly, the amortization subassembly sets up in the valve body, and the amortization subassembly is foretell amortization subassembly.

According to the utility model discloses a third aspect provides an air conditioning system, including refrigerant circulation pipeline and amortization subassembly, the amortization subassembly sets up in refrigerant circulation pipeline, and the amortization subassembly is foretell amortization subassembly.

By applying the technical scheme of the utility model, the silencing component provided by the utility model comprises a silencing part, wherein a silencing channel is arranged on the silencing part; the sound-deadening passage includes a flow-through groove provided on a surface of the sound-deadening member, the flow-through groove being recessed with respect to the surface of the sound-deadening member. When the silencing assembly is used, the medium passes through the flow channel, and bubbles in the medium are refined during flowing through the flow channel so as to reduce noise generated during flowing of the medium.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 illustrates a cross-sectional view of a first embodiment of a sound attenuating element in a sound attenuating assembly according to the present invention;

FIG. 2 illustrates a schematic view of the installation of a first embodiment of a silencer component in a silencer assembly according to the present invention;

FIG. 3 illustrates a schematic structural view of a first embodiment of a silencer component in a silencer assembly according to the present invention;

FIG. 4 illustrates a schematic structural view of a second embodiment of a sound attenuating element in a sound attenuating assembly according to the present invention;

FIG. 5 illustrates a schematic view of the installation of a second embodiment of a sound attenuating element in a sound attenuating assembly according to the present invention;

FIG. 6 illustrates a schematic structural view of a third embodiment of a silencer component of a silencer assembly according to the present invention;

FIG. 7 illustrates a schematic view of the installation of a third embodiment of a sound attenuating element in a sound attenuating assembly according to the present invention;

fig. 8 shows a schematic view of an expansion valve according to the invention;

fig. 9 shows a schematic structural diagram of an air conditioning system according to the present invention.

Wherein the figures include the following reference numerals:

100. a flow channel; 200. a valve body; 201. a valve port; 300. a noise reduction assembly; 400. a refrigerant circulation line; 500. a first filter; 600. a second filter; 700. an evaporator; 800. a condenser;

1. a sound deadening member; 10. a sound-deadening channel; 11. a flow-through channel; 12. a flow channel; 2. a support; 20. a mounting cavity; 3. a positioning part.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Referring to fig. 1 to 9, the present invention provides a noise reduction assembly, including: the silencer comprises a silencer component 1, wherein a silencer channel 10 is arranged on the silencer component 1; the sound-deadening channel 10 includes a flow-through groove 11, the flow-through groove 11 being provided on the surface of the sound-deadening member 1, the flow-through groove 11 being recessed with respect to the surface of the sound-deadening member 1. Thus, when the noise reduction assembly is used, the medium passes through the flow channel 11, and bubbles in the medium are refined during the flow through the flow channel 11, so that noise generated during the flow of the medium is reduced.

The silencing assembly is arranged in the flow passage 100 of the valve body 200, wherein the sectional area of the flow section of the valve port 201 in the valve body 200 is A, and the sectional area of the flow section of the silencing passage 10 ranges from 0.5A to 2A. When the area of the flow cross section of the muffling channel 10 is smaller than 0.5A, a significant pressure drop occurs when the medium flows through the muffling component 1, which affects the flow of the medium in the flow channel 100, and when the area of the flow cross section of the muffling channel 10 is larger than 2A, the muffling effect of the muffling channel 10 is reduced, and bubbles in the medium cannot be refined. By limiting the area of the flow cross section of the muffling channel 10, the medium does not have obvious pressure drop in the process of flowing through the muffling channel 10, and the muffling effect can be achieved. When only the flow channel 11 is provided in the silencer component 1, the cross-sectional area of the flow cross-section of the flow channel 11 is 0.5A to 2A.

It should be noted that, in the present application, the flow cross section of the valve port 201 refers to a cross section of a position where the circumferential surface of the valve needle contacts the inner wall surface of the valve port channel when the valve is closed, and when the surface of the valve needle and the inner wall surface of the valve port channel are both cylindrical surfaces, the circumferential surfaces of the valve needle all contact the inner wall surface of the valve port channel, and at this time, the surface of the valve needle contacting the valve port channel is the cylindrical surface, and the radial cross section of the cylindrical surface is the above-mentioned flow cross section; when the bottom of the valve needle is cone, the valve port channel is cone-shaped, and the valve needle is provided with a radial circumferential surface which is contacted with the inner wall surface of the valve port channel, and the circumferential surface is a flow section.

Further, the muffling channel 10 further includes a flow-through hole 12, the flow-through hole 12 is provided in the muffling member 1, and the flow-through hole 12 is a through hole, so that when the flow-through hole is provided, the sum of the sectional area of the flow-through section of the flow-through groove 11 and the sectional area of the flow-through section of the flow-through hole 12 is in the range of 0.5A to 2A; through circulation slot 11 and circulation pore 12 cooperation jointly, when the medium in flow path 100 flowed through noise abatement part 1, partly medium was carried out the amortization through circulation slot 11, and another part medium is carried out the amortization through circulation pore 12, has reduced the medium to noise abatement part 1's impact force, and is more even to the bubble refines in the medium, optimizes noise cancelling effect.

In one embodiment provided by the present invention, the number of the flow-through grooves 11 is one or more, and when there is one flow-through groove 11, the flow-through groove 11 extends from the first end to the second end of the silencing component 1 along the spiral direction, so that the outer surface of the silencing component 1 forms a thread structure; when the number of the flow grooves 11 is plural, the plural flow grooves 11 are provided at intervals in the circumferential direction of the muffler component 1, and at this time, the extending direction of the flow grooves 11 coincides with the axial direction of the muffler component 1, or the flow grooves 11 extend along a curved trajectory. When the flow-through groove 11 is plural, the total area of the flow-through cross section of each flow-through groove 11 is 0.5A to 2A.

Further, the flow passage 12 is plural, and the plural flow passages 12 are provided at intervals in the silencer component 1. When the flow grooves 11 and the flow channels 12 are each plural, the sum of the total area of the flow cross sections of the respective flow grooves 11 and the total area of the flow cross sections of the respective flow channels 12 is 0.5A to 2A.

Preferably, when the flow-through channels 11 are provided in one, the cross-sectional area of the flow-through cross-section of one flow-through channel 11 is equal to the total cross-sectional area of the flow-through cross-sections of the plurality of flow-through openings 12.

Specifically, at least a part of the surface of sound deadening member 1 is attached to the inner wall surface of flow passage 100, and flow channel 11 is recessed toward the center of sound deadening member 1 with respect to the surface of sound deadening member 1. This forms a passage for the flow medium between the flow channel 11 and the inner wall surface of the flow passage 100, which is simple in structure and easy to implement.

As shown in fig. 1 to 3, in the first embodiment of the circulation groove 11 provided by the present invention, the silencer component 1 includes a first end and a second end which are oppositely disposed, and the circulation groove 11 extends spirally from the first end of the silencer component 1 to the second end of the silencer component 1. Thus, the thread structure is formed on the outer surface of the silencing component 1, the medium in the flow channel 100 circulates through the circulation groove 11, the spiral circulation groove 11 can be used for prolonging the circulation stroke of the medium, and all bubbles in the medium can be thinned as much as possible, so that the silencing effect of the silencing component 1 is optimized. Wherein the flow-through cross-section of the flow-through channel 11 has an area of 0.5A to 2A.

In this embodiment, the noise reduction assembly further comprises: the support 2 is arranged in the flow channel 100, the mounting cavity 20 is arranged in the support 2, the mounting cavity 20 is communicated with the flow channel 100, and the silencing part 1 is arranged in the mounting cavity 20. At least part of the silencing part 1 is in interference fit with the mounting cavity 20; alternatively, the silencer member 1 is caulked to the inner wall surface of the mounting chamber 20. This enables the medium to smoothly flow into the flow channel 11, and prevents the medium flow and the sound-deadening effect of the sound-deadening member 1 from being affected by the obstruction of the flow channel 11 by the support member provided separately.

In a second embodiment of the flow-through channel 11 provided by the present invention, as shown in fig. 6 and 7, the flow-through channel 11 extends along a curved trajectory. The flow grooves 11 are plural, and the plural flow grooves 11 are provided at intervals in the circumferential direction of the silencer component 1. Wherein the total area of the flow cross-sections of the individual flow channels 11 ranges from 0.5A to 2A. In this way, the medium is divided by the plurality of flow channels 11, and bubbles generated in the medium are further offset. Wherein, two adjacent circulation grooves 11 are connected by a convex part.

In this embodiment, the muffler assembly further includes: the support 2 is arranged in the flow channel 100, an installation cavity 20 is arranged in the support 2, the installation cavity 20 is communicated with the flow channel 100, and the silencing part 1 is arranged in the installation cavity 20. At least part of the silencing part 1 is in interference fit with the mounting cavity 20; or, the silencing part 1 is riveted with the inner wall surface of the mounting cavity 20; or, set up location portion 3 on the internal face of installation cavity 20, location portion 3 is extended towards the middle part direction of installation cavity 20 by the internal face of installation cavity 20, location portion 3 has the bearing terminal surface, bearing terminal surface and bellying laminating, bear the bellying through the bearing terminal surface, can utilize location portion 3 to support noise cancelling component 1 like this, still avoided location portion 3 to block the influence medium circulation and the noise cancelling effect of noise cancelling component 1 that lead to circulation slot 11 simultaneously.

As shown in fig. 4 and 5, in a third embodiment of the flow channel 11 provided by the present invention, the flow channel 11 extends along the axial direction of the silencer component 1. The flow grooves 11 are plural, and the plural flow grooves 11 are provided at intervals in the circumferential direction of the silencer component 1. Wherein the total area of the flow cross-section of each flow-through channel 11 ranges from 0.5A to 2A. In this way, the medium is divided by the plurality of flow channels 11, and bubbles generated in the medium are further offset. Wherein, two adjacent circulation grooves 11 are connected by a convex part.

In this embodiment, the muffler assembly further includes: the support 2 is arranged in the flow channel 100, an installation cavity 20 is arranged in the support 2, the installation cavity 20 is communicated with the flow channel 100, and the silencing part 1 is arranged in the installation cavity 20. At least part of the silencing component 1 is in interference fit with the mounting cavity 20; or, the silencing part 1 is riveted with the inner wall surface of the mounting cavity 20; or, set up location portion 3 on the internal face of installation cavity 20, location portion 3 is extended towards the middle part direction of installation cavity 20 by the internal face of installation cavity 20, location portion 3 has the bearing terminal surface, bearing terminal surface and bellying laminating, bear the bellying through the bearing terminal surface, can utilize location portion 3 to support noise cancelling component 1 like this, still avoided location portion 3 to block the influence medium circulation and the noise cancelling effect of noise cancelling component 1 that lead to circulation slot 11 simultaneously.

In the present application, the number of the flow channels 12 is plural, and the plural flow channels 12 are provided at intervals in the silencer component 1. The hole center line of the flow channel 12 is parallel to the axis of the silencing part 1; alternatively, the flow channels 12 extend along curved trajectories. The medium is silenced by the cooperation of the flow channel 12 and the flow groove 11. Wherein the sum of the total area of the flow cross-sections of the individual flow channels 12 and the flow cross-section of the flow channel 11 is 0.5A to 2A.

In another embodiment provided by the present invention, the sum of the largest cross-sectional area of the flow cross-section of the flow-through groove 11 and the smallest cross-sectional area of the flow cross-section of the flow-through hole 12 ranges from 0.5A to 2A.

Specifically, the area of the flow cross section of the flow channel 11 is gradually reduced or gradually increased from both ends of the flow channel 11 to the middle of the flow channel 11; when the area of the flow cross section of the flow groove 11 is gradually reduced from the two ends of the flow groove 11 to the middle of the flow groove 11, the flow velocity of the medium can be increased while the bubbles in the medium are refined when the medium flows through the flow groove 11, and the noise reduction effect is improved.

When the silencing part 1 is placed along the vertical direction, the orthographic projection of the flow-through groove 11 on the horizontal plane is in one or more of a circular ring shape, a rectangular shape, a triangular shape and a trapezoidal shape.

Further, the area of the flow cross section of the flow channel 12 gradually decreases or gradually increases from the two ends of the flow channel 12 to the middle of the flow channel 12. When the area of the flow cross section of the flow channel 12 is gradually reduced or increased, the flow velocity can be increased when the medium flows out, and meanwhile, in the process of flowing through the flow channel 12, bubbles with different sizes in the medium are gradually refined, so that the noise reduction effect is optimized.

As shown in fig. 8, the present invention further provides an expansion valve, which comprises a valve body 200 and a silencing assembly 300, wherein the silencing assembly 300 is disposed in the valve body 200, and the silencing assembly 300 is the silencing assembly of the above embodiment.

As shown in fig. 9, the utility model also provides an air conditioning system, including refrigerant circulation pipeline 400 and amortization subassembly 300, amortization subassembly 300 sets up in refrigerant circulation pipeline 400, and amortization subassembly 300 is the amortization subassembly of above-mentioned embodiment.

The refrigerant circulation pipeline 400 is further provided with an evaporator 700, a condenser 800, a first filter 500 and a second filter 600, and the valve body 200 of the expansion valve is arranged between the first filter 500 and the second filter 600, so that the refrigerant in the refrigerant circulation pipeline 400 can be filtered when flowing along different directions, and the medium in the refrigerant is prevented from blocking the silencing channel 10.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

in the present application, a noise abatement assembly comprises: the silencer comprises a silencer component 1, wherein a silencer channel 10 is arranged on the silencer component 1; the sound-deadening channel 10 includes a flow-through groove 11, the flow-through groove 11 being provided on the surface of the sound-deadening member 1, the flow-through groove 11 being recessed with respect to the surface of the sound-deadening member 1. Thus, when the noise reduction assembly is used, the medium passes through the flow channel 11, and bubbles in the medium are refined during the flow through the flow channel 11, so that noise generated during the flow of the medium is reduced.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A sound attenuating assembly, comprising:

the silencer comprises a silencing part (1), wherein a silencing channel (10) is arranged on the silencing part (1);

the sound-deadening channel (10) includes a flow-through groove (11), the flow-through groove (11) being provided on a surface of the sound-deadening member (1), the flow-through groove (11) being recessed with respect to the surface of the sound-deadening member (1).

2. The silencing assembly of claim 1, wherein the silencing channel (10) further comprises:

the flow channel (12), flow channel (12) set up in noise cancelling component (1), flow channel (12) are the through-hole.

3. The silencing assembly of claim 1, wherein the flow-through channel (11) is recessed towards the middle of the silencing part (1) with respect to the surface of the silencing part (1); silencer component (1) is including relative first end and the second end that sets up, circulation slot (11) by silencer component (1) first end to silencer component (1)'s second end is the heliciform and extends.

4. The silencing assembly according to claim 1, wherein the flow-through channel (11) is recessed towards the middle of the silencing part (1) with respect to the surface of the silencing part (1);

the flow-through channel (11) extending along a curved trajectory; or the like, or, alternatively,

the flow-through channel (11) extends in the axial direction of the silencer component (1).

5. The sound-damping assembly as claimed in claim 4, characterized in that the flow-through channel (11) is provided in plurality, the flow-through channels (11) being arranged at intervals in the circumferential direction of the sound-damping part (1).

6. The silencing assembly of claim 5, wherein two adjacent flow channels (11) are connected by a projection, and further comprising:

the noise reduction device comprises a support (2), wherein a mounting cavity (20) is formed in the support (2), and the noise reduction part (1) is arranged in the mounting cavity (20);

be provided with location portion (3) on the internal face of installation cavity (20), location portion (3) by the internal face orientation of installation cavity (20) the middle part direction of installation cavity (20) extends, location portion (3) have the bearing terminal surface, the bearing terminal surface with the bellying laminating, through location portion (3) is right amortization part (1) carries out the bearing.

7. The acoustic abatement assembly of claim 2,

the hole center line of the flow pore canal (12) is parallel to the axis of the silencing part (1); alternatively, the flow-through openings (12) extend along a curved trajectory.

8. The acoustic abatement assembly of claim 2,

the number of the circulation ducts (12) is multiple, and the plurality of the circulation ducts (12) are arranged in the silencing part (1) at intervals.

9. The acoustic abatement assembly of claim 1 or 2, further comprising:

the noise reduction device comprises a support (2), wherein a mounting cavity (20) is formed in the support (2), and the noise reduction part (1) is arranged in the mounting cavity (20);

at least part of the silencing component (1) is in interference fit with the mounting cavity (20); or, the silencing component (1) is riveted with the inner wall surface of the mounting cavity (20).

10. An expansion valve comprising a valve body (200) and a sound-damping assembly (300), the sound-damping assembly (300) being arranged within the valve body (200), characterized in that the sound-damping assembly (300) is a sound-damping assembly according to any one of claims 1 to 9.

11. An air conditioning system comprising a refrigerant flow line (400) and a silencing assembly (300), the silencing assembly (300) being disposed in the refrigerant flow line (400), characterized in that the silencing assembly (300) is as claimed in any one of claims 1 to 9.

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