CN103940002A - Buffer device and air conditioner outdoor unit with same - Google Patents

Buffer device and air conditioner outdoor unit with same Download PDF

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Publication number
CN103940002A
CN103940002A CN201410117989.4A CN201410117989A CN103940002A CN 103940002 A CN103940002 A CN 103940002A CN 201410117989 A CN201410117989 A CN 201410117989A CN 103940002 A CN103940002 A CN 103940002A
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China
Prior art keywords
bolster
air
conditioner outdoor
buffer
outdoor unit
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Granted
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CN201410117989.4A
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CN103940002B (en
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薛玮飞
梁健巧
游斌
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Midea Group Co Ltd
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Midea Group Co Ltd
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Abstract

The invention discloses a buffer device and an air conditioner outdoor unit with the buffer device. The buffer device comprises a shell and annular first buffer pieces, wherein a cavity is formed in the shell, the two ends of the shell are provided with openings respectively, the first buffer pieces are arranged in the shell and close to at least one of the two openings, a first air flow passageway is arranged in each first buffer piece, and the area of the cross section of each first air flow passageway is smaller than the size of the cross section of the portion, close to the installation position of the corresponding first buffer piece, of the cavity. According to the buffer device, the first buffer pieces are arranged in the openings of the shell, when air flows into the cavity from the first buffer pieces or flows out of the chamber to the first buffer pieces, the air flow firstly flows through the first air flow passageways limited by the first buffer pieces, the non-reflection condition of air flow pulsation is met, standing waves of air flow pulsation are changed into traveling waves, and therefore the unevenness of pressure pulsation is lowered, abnormal noise produced by air flow pulsation of a compressor is reduced, and the abnormal noise generated by the air conditioner outdoor unit is prevented from being transmitted to an indoor unit.

Description

Buffer unit and there is its air-conditioner outdoor unit
Technical field
The present invention relates to technical field of refrigeration equipment, particularly, particularly a kind of buffer unit and there is its air-conditioner outdoor unit.
Background technology
Compressor of air conditioner noise source mainly contains mechanical noise, aerodynamic force noise and electromagnetic noise, in order to freeze fast or to heat, the running frequency of convertible frequency air-conditioner is all higher, and in the time of this upper frequency operation, flow out the mouth of pipe or aperture at compressor suction, exhaust gas with very high speed, impact, entrainment surrounding environment gas, form violent disturbance, thereby give off strong noise, the different like this sound of compressor is very easy to reach indoor set by air conditioner connecting pipe.For the different sound of eliminating gas flow pulsation, conventionally at air-conditioning cross valve parts, multiple silencers are installed, not only reduce manufacture efficiency, and increased cost.
Summary of the invention
The present invention is intended to solve at least to a certain extent one of technical problem in correlation technique.
For this reason, one object of the present invention is to propose a kind of simple in structure, applied widely, buffer unit for air-conditioner outdoor unit that soundproof effect is good.
Another object of the present invention has been to provide a kind of air-conditioner outdoor unit with above-mentioned buffer unit.
According to the embodiment of the present invention aspect, a kind of buffer unit for air-conditioner outdoor unit is provided, comprising: housing, described housing is formed with chamber, and the two ends of described housing are equipped with opening; And be formed as annular the first bolster, described the first bolster is located at least one of interior and contiguous described two openings of described housing, in described the first bolster, have the first gas channel, the area of section of described the first gas channel is less than the sectional dimension of the described chamber of contiguous described the first bolster installed position.
According to the buffer unit for air-conditioner outdoor unit of the embodiment of the present invention, the first bolster is located to the opening part of housing, when air-flow is flow to while flowing to outside the first bolster in chamber or in by chamber by the first bolster, air-flow the first gas channel that the first bolster limits of first flowing through, meet the areflexia condition of gas, the standing wave of gas is become to row ripple, reduce the unevenness of pressure fluctuation, thereby subdue the different sound that compressor airflow pulsation produces, avoided the different sound that air-conditioner outdoor unit is produced to reach indoor set.
In addition, the buffer unit for air-conditioner outdoor unit according to the above embodiment of the present invention can also have following additional technical characterictic:
According to one embodiment of present invention, described the first bolster is the annular slab being located in described shell inner surface, and described the first gas channel is limited by the centre bore of described annular slab.Preferably, the inner diameter d of described annular slab and the ratio of outer diameter D are 0.3-0.5.Thus, simplify the structure of buffer unit, expanded the scope of application of buffer unit.
Alternatively, described the first bolster is to be located in described shell inner surface and along multiple buffer stoppers of circumferential spaced apart setting, described the first gas channel is limited by the region between described multiple buffer stoppers.
According to an example of the present invention, along described housing axial direction, the height of described the first bolster is 3mm-5mm.
In one embodiment of the invention, at least one end of described housing has end necking part, the cross-sectional area of described end necking part is less than the cross-sectional area of described housing, wherein described at least one, opening is formed on described end necking part, and described the first bolster is located on the inner surface of described end necking part.Thus, can improve the erasure effect of buffer unit.
Alternatively, described the first bolster is located on wherein one end of described housing.
In another embodiment of the present invention, the two ends of described housing all have described end necking part, and the described opening at the two ends of described housing is all located on described end necking part, and described the first bolster is two and lays respectively in described two end necking parts.Thus, can further improve the erasure effect of buffer unit.
In order further to improve the erasure effect of buffer unit, in one embodiment of the invention, on described housing, also have necking part at least one, the cross-sectional area of described middle necking part is less than the cross-sectional area of described housing, and described middle necking part is between described two end necking parts.
Further, buffer unit for air-conditioner outdoor unit also comprises the second bolster, described the second bolster is located in described middle necking part, in described the second bolster, have the second gas channel, the area of section of described the second gas channel is less than the sectional dimension of the described chamber of contiguous described the second bolster installed position.
For ensureing that buffer unit has good erasure effect, described middle necking part is one and described chamber is spaced apart to volume the first chamber and the second chamber not etc.
In concrete examples more of the present invention, the volumetric ratio of described the first chamber and described the second chamber is 1.5-3, and described the first chamber is positioned at the upstream of described the second chamber.
Preferably, the cross section of described chamber is formed as circle or rectangle.Thus, can make buffer unit structure simpler.
For convenient processing, reduce production costs, described the first bolster and described housing are one-body molded.
According to one embodiment of present invention, described the first bolster is positioned in described housing by keeper.Thus, can avoid the first bolster landing to chamber.
Embodiment according to a further aspect of the present invention, provides a kind of air-conditioner outdoor unit, comprising: compressor; Cross valve; And buffer unit as above, one of them opening of described buffer unit is communicated with described compressor, and another opening of described buffer unit is communicated with described cross valve.
According to the air-conditioner outdoor unit of the embodiment of the present invention, the first bolster is located to the opening part of housing, when gas is flow to while flowing to outside the first bolster in chamber or in by chamber by the first bolster, air-flow the first gas channel that the first bolster limits of first flowing through, meet the areflexia condition of gas, the standing wave of gas is become to row ripple, reduce the unevenness of pressure fluctuation, thereby subdue the different sound that compressor airflow pulsation produces, avoided the different sound that air-conditioner outdoor unit is produced to reach indoor set.
Preferably, the volume of the described chamber of described buffer unit be described compressor often rotate a circle volume of cylinder 5-20 doubly.Thus, can further subdue the different sound that compressor airflow pulsation produces, avoid the different sound that air-conditioner outdoor unit is produced to reach indoor set.
Brief description of the drawings
Fig. 1 is the structural representation of buffer unit according to an embodiment of the invention, and wherein the first bolster is located at the end necking part at the two ends of housing;
Fig. 2 is the structural representation of buffer unit according to an embodiment of the invention, and wherein the first bolster is located at the end necking part at the two ends of housing, and the second bolster is located at middle necking part;
Fig. 3 is the structural representation of buffer unit according to an embodiment of the invention, and wherein the first bolster is located at the end necking part of housing one end;
Fig. 4 is the partial structurtes schematic diagram of air-conditioner outdoor unit according to an embodiment of the invention;
Fig. 5 is noise of indoor unit curve comparison figure, and wherein chain-dotted line is expressed as the noise of indoor unit curve that buffer unit is not installed, and solid line represents to install the noise of indoor unit curve of buffer unit.
Reference numeral:
Buffer unit 100,
Housing 10, chamber 11, opening 12, end necking part 15,
The first chamber 16, the second chambers 17, middle necking part 18,
The first bolster 20, the first gas channels 21,
The second bolster 30, the second gas channels 31,
Air-conditioner outdoor unit 200,
Compressor 210, cross valve 220, blast pipe 230.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " top ", " end " " interior ", " outward ", " axially ", " radially ", orientation or the position relationship of instructions such as " circumferentially " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " multiple " is at least two, for example two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
Describe the buffer unit 100 for air-conditioner outdoor unit 200 according to the embodiment of the present invention in detail below with reference to Fig. 1-Fig. 4, this buffer unit 100 is connected between the compressor 210 of air-conditioner outdoor unit 200 and cross valve 220 for subduing the different sound of compressor 210 interior generations, prevents that the different sound that compressor 210 produces is passed to indoor apparatus of air conditioner.
As shown in Figure 1-Figure 3, provide according to an aspect of the present invention a kind of buffer unit 100 for air-conditioner outdoor unit 200, having comprised: housing 10 and the first bolster 20.
Particularly, housing 10 is formed with chamber 11, and it can be circle or rectangle that the cross section of chamber 11 forms.The two ends of housing 10 are equipped with opening 12, and one of them opening 12 can be used as air inlet, and another opening can be used as gas outlet.As shown in Figure 1, opening 12 can be located at the two ends, top and bottom of housing 10, and for example in the example depicted in fig. 4, air inlet is made up of upper end open and gas outlet is made up of lower ending opening.The first bolster 20 can be formed as annular, and is located at housing 10 interior and contiguous two openings 12 at least one.In other words, the first bolster 20 can be one, and is located at one of them opening 12 place of housing 10, for example, as shown in Figure 3, the first bolster 20 is located at opening 12 places of the upper end of housing 10, or the first bolster 20 can be located at opening 12 places of the lower end of housing 10.Again as shown in Figure 1, the first bolster 20 can also be two, and is all located at opening 12 places at housing two ends Shang Xia 10.In a preferred embodiment of the present invention, for example, along housing 10 axial directions (above-below direction in Fig. 1), the height of the first bolster 20 can be 3mm-5mm.
As shown in Figure 1, the area of section that has the first gas channel 21, the first gas channels 21 in the first bolster 20 is less than the sectional dimension of the chamber 11 of contiguous the first bolster 20 installed positions.The first bolster 20 is located to opening 12 places of housing 10, meet the areflexia condition of gas, when gas is flow to and flow to the first bolster 20 in chamber 11 or in by chamber 11 when outer by the first bolster 20, the standing wave of gas becomes row ripple, reduce the unevenness of pressure fluctuation, thereby subdue the different sound that compressor 210 gases produce, avoided the different sound that air-conditioner outdoor unit 200 is produced to reach indoor set.
According to the buffer unit 100 for air-conditioner outdoor unit 200 of the embodiment of the present invention, the first bolster 20 is located to opening 12 places of housing 10, when gas is flow to and flow to the first bolster 20 in chamber 11 or in by chamber 11 when outer by the first bolster 20, air-flow the first gas channel that the first bolster limits of first flowing through, meet the areflexia condition of gas, the standing wave of gas is become to row ripple, thereby reduce the unevenness of pressure fluctuation, subdue the different sound that compressor 210 gases produce, avoid the different sound that air-conditioner outdoor unit 200 is produced to reach indoor set.
More specifically, as shown in Figure 3, at least one end of housing 10 has end necking part 15, and the cross-sectional area of end necking part 15 is less than the cross-sectional area of housing 10, wherein at least one opening 12 is formed on end necking part 15, and the first bolster 20 is located on the inner surface of end necking part 15.Certainly, the number of end necking part 15 is not limited to this, for example, as shown in Figure 1, the two ends of housing 10 all have end necking part 15, and the opening 12 at housing 10 two ends be all located at end necking part 15 on, the first bolster 20 be two and lay respectively at two end necking parts 15 in.Thus, can further improve the soundproof effect of buffer unit 100.
Again as shown in Figure 2, in one embodiment of the invention, can also have necking part 18 at least one on housing 10, the cross-sectional area of middle necking part 18 is less than the cross-sectional area of housing 10, and middle necking part 18 is between two end necking parts 15.Particularly, to have a middle necking part 18 on housing 10 as example, chamber 11 is spaced apart the first chamber 16 and the second chamber 17 that volume does not wait by middle necking part 18.Preferably, the volumetric ratio of the first chamber 16 and the second chamber 17 is 1.5-3.
It should be noted that, middle necking part 18 can be multiple, but because middle necking part 18 is resistance structure, the loss that can strengthen compressor 210, therefore, middle necking part 18 should not arrange more than four, and this is understandable for those skilled in the art person.In a preferred embodiment of the present invention, housing 10 is provided with a middle necking part 18.
Be understandable that, do not do particular restriction for the installation direction of buffer unit 100, if its can meet gas areflexia condition, reduce pressure fluctuation unevenness, subdue compressor 210 gases produce different sound.For example, according to a preferred embodiment of the present invention, the first chamber 16 can be positioned at the upstream of the second chamber 17.It should be noted that, updrift side herein refers to the updrift side of air current flow.For example as shown in Figure 2, when gas flow into the second chamber 17 when interior by the first chamber 16, the second chamber 17 tops are updrift side.Particularly, as shown in Figure 4, buffer unit 100 along the vertical direction (as shown in the direction in Fig. 4) is assemblied on air-conditioner outdoor unit 200, the opening 12 of buffer unit 100 upper ends is communicated with compressor 210, the lower end of buffer unit 100 is communicated with cross valve 220, the direction of air current flow when wherein, the direction of arrow is compressor 210 exhaust in Fig. 4.
Further, buffer unit 100 for air-conditioner outdoor unit 200 can also comprise the second bolster 30, the second bolster 30 is located in middle necking part 18, the area of section in the second bolster 30 with the second gas channel 31, the second gas channels 31 is less than the sectional dimension of the chamber 11 of contiguous the second bolster 30 installed positions.It should be noted that, the second bolster 30 and the first bolster 20 can have identical structure.In the process of airflow passes the second gas channel 31, the standing wave of gas becomes row ripple, reduce the unevenness of pressure fluctuation, thereby subdued the different sound that compressor 210 gases produce, avoided the different sound that air-conditioner outdoor unit 200 is produced to reach indoor set.
As shown in Figure 1, in order to simplify the structure of buffer unit 100, ensure the erasure effect of buffer unit 100, according to a specific embodiment of the present invention, the first bolster 20 can be for being located at the annular slab on housing 10 inner surfaces, and the first gas channel 21 is limited by the centre bore of annular slab.Preferably, the inner diameter d of annular slab and the ratio of outer diameter D are 0.3-0.5.
It should be noted that, the edge of the inner circle of annular slab is sharp keen corner angle.In other words the face of meeting air-flow that, forms the first gas channel 21 on the first bolster 20 is to have sharp-pointed corner angle face.In the process of airflow passes the first gas channel 21, sharp-pointed corner angle face can be that air-flow produces larger reflection, and then the decay that has increased air-flow, thus, has further strengthened the erasure effect of buffer unit 100.
According to another specific embodiment of the present invention, the first bolster 20 can be for being located on housing 10 inner surfaces and along multiple buffer stoppers (scheming not shown) of circumferential spaced apart setting, the first gas channel 21 is limited by the region between multiple buffer stoppers.
As shown in Figure 1, for the ease of the first bolster 20 is assemblied in housing 10, avoid the first bolster 20 landings to chamber 11, according to one embodiment of present invention, the first bolster 20 can be positioned in housing 10 by keeper.Particularly, housing 10 is interior can one-body moldedly keeper.In the time that the first bolster 20 is assembled to housing 10, one end and keeper near chamber 11 on the first bolster 20 offset, to avoid the first bolster 20 landings to chamber 11.In addition,, in order further to simplify manufacturing procedure, to reduce production costs, alternatively, the first bolster 20 and the second bolster 30 all can be one-body molded with housing 10.
As shown in Figure 4, according to the air-conditioner outdoor unit 200 of second aspect present invention embodiment, comprising: compressor 210, cross valve 220 and buffer unit 100.
Particularly, the upper end open 12 of buffer unit 100 is communicated with compressor 210, and lower ending opening 12 is communicated with cross valve 220.In other words, buffer unit 100 can be connected between compressor 210 and cross valve 220, for example, as shown in Figure 4, the upper end open 12 of buffer unit 100 can be used as air inlet, and be communicated with compressor 210 by blast pipe 230, the lower ending opening 12 of buffer unit 100 can be used as gas outlet, and is communicated with cross valve 220 by blast pipe 230.As shown in the direction of arrow in Fig. 4, when compressor is in the time moving, air-flow in compressor 210 flow in buffer unit 100 from the opening 12 of buffer unit 100 upper ends by the blast pipe 230 being communicated with compressor 210, after buffer unit 100 noise elimination noise reductions, then discharged by the opening 12 of buffer unit 100 lower ends.In addition, also it should be noted that, the first bolster 20, the second bolster 30 and blast pipe 230 can be manufactured from the same material.
As shown in Figure 4, in a preferred embodiment of the present invention, the volume of the chamber 11 of buffer unit 100 be compressor 210 often rotate a circle volume of cylinder 5-20 doubly.Thus, can further subdue the inner different sound producing of compressor 210, avoid the different sound that compressor 210 is produced to reach indoor set.
According to the air-conditioner outdoor unit 200 of the embodiment of the present invention, buffer unit 100 is connected between compressor 210 and cross valve 220, the first bolster 20 is located to opening 12 places of housing 10, when gas is flow to and flow to the first bolster 20 in chamber 11 or in by chamber 11 when outer by the first bolster 20, air-flow the first gas channel 21 that the first bolster 20 limits of first flowing through, meet the areflexia condition of gas, the standing wave of gas is become to row ripple, thereby reduce the unevenness of pressure fluctuation, subdue the different sound that compressor 210 gases produce, avoid the different sound that air-conditioner outdoor unit 200 is produced to reach indoor set.Meanwhile, buffer unit 100 is applicable to the air-conditioner outdoor unit of different model, has the wider scope of application.
With concrete numerical value, the frequency-variable air conditioner outdoor machine 200 to correlation technique and the frequency-variable air conditioner outdoor machine 200 according to the embodiment of the present invention compare explanation below, are worth understanding, and following numerical value is example explanation, instead of to concrete restriction of the present invention.
The displacement volume that compressor 210 often rotates a circle is 10.8 cubic centimetres, and the diameter of compressor 210 blast pipes 230 is 8mm.Buffer unit 100 expansion diameter are 32mm, are highly 200mm, therefore the volume of this buffer unit 100 is 160.8 cubic centimetres, are about 15 times of displacement volumes.The interior diameter of the first bolster 20 is 4mm, and overall diameter is 8mm, and the thickness of the first bolster 20 is 4mm, and material is red copper.
As shown in Figure 5, in figure, X-axis represents indoor set frequency noise (Hz), Y-axis is the amplitude (pa) of noise respective frequencies, and chain-dotted line is the noise of indoor unit curve that buffer unit 100 is not installed, and solid line is the noise of indoor unit curve that buffer unit 100 is installed.
In the time buffer unit 100 not being installed, the fundamental frequency (60Hz) of noise of indoor unit frequency spectrum, 2 frequencys multiplication (120Hz), 3 frequencys multiplication (180Hz), 4 frequencys multiplication (240Hz) noise amplitude are higher, particularly 2 times of audio-frequency noise amplitudes are very high, at the indoor roars of laughter roars of laughter sound that can obviously hear compressor 210 low-frequency operations.Install after buffer unit 100, the fundamental frequency (60Hz) of noise of indoor unit frequency spectrum, 2 frequencys multiplication (120Hz), 3 frequencys multiplication (180Hz), 4 frequencys multiplication (240Hz) amplitude obviously decline, there is no compressor 210 gas noises at indoor set, only have the air-supply noise of normal tubular wine wheel.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And, specific features, structure, material or the feature of description can one or more embodiment in office or example in suitable mode combination.In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiment that describe in this description or example and different embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, amendment, replacement and modification.

Claims (18)

1. for a buffer unit for air-conditioner outdoor unit, it is characterized in that, comprising:
Housing, described housing is formed with chamber, and the two ends of described housing are equipped with opening; And
Be formed as the first bolster of annular, described the first bolster is located at least one of interior and contiguous described two openings of described housing, in described the first bolster, have the first gas channel, the area of section of described the first gas channel is less than the sectional dimension of the described chamber of contiguous described the first bolster installed position.
2. the buffer unit for air-conditioner outdoor unit according to claim 1, is characterized in that, described the first bolster is the annular slab being located in described shell inner surface, and described the first gas channel is limited by the centre bore of described annular slab.
3. the buffer unit for air-conditioner outdoor unit according to claim 2, is characterized in that, the inner diameter d of described annular slab and the ratio of outer diameter D are 0.3-0.5.
4. the buffer unit for air-conditioner outdoor unit according to claim 1, it is characterized in that, described the first bolster is to be located in described shell inner surface and along multiple buffer stoppers of circumferential spaced apart setting, described the first gas channel is limited by the region between described multiple buffer stoppers.
5. the buffer unit for air-conditioner outdoor unit according to claim 1, is characterized in that, along described housing axial direction, the height of described the first bolster is 3mm-5mm.
6. according to the buffer unit for air-conditioner outdoor unit described in any one in claim 1-5, it is characterized in that, at least one end of described housing has end necking part, the cross-sectional area of described end necking part is less than the cross-sectional area of described housing, wherein described at least one, opening is formed on described end necking part, and described the first bolster is located on the inner surface of described end necking part.
7. the buffer unit for air-conditioner outdoor unit according to claim 6, is characterized in that, described the first bolster is located on wherein one end of described housing.
8. the buffer unit for air-conditioner outdoor unit according to claim 6, it is characterized in that, the two ends of described housing all have described end necking part, and the described opening at the two ends of described housing is all located on described end necking part, described the first bolster is two and lays respectively in described two end necking parts.
9. the buffer unit for air-conditioner outdoor unit according to claim 8, it is characterized in that, on described housing, also have necking part at least one, the cross-sectional area of described middle necking part is less than the cross-sectional area of described housing, and described middle necking part is between described two end necking parts.
10. the buffer unit for air-conditioner outdoor unit according to claim 9, it is characterized in that, also comprise the second bolster, described the second bolster is located in described middle necking part, in described the second bolster, have the second gas channel, the area of section of described the second gas channel is less than the sectional dimension of the described chamber of contiguous described the second bolster installed position.
11. buffer units for air-conditioner outdoor unit according to claim 9, is characterized in that, described middle necking part is one and described chamber is spaced apart to volume the first chamber and the second chamber not etc.
12. buffer units for air-conditioner outdoor unit according to claim 11, is characterized in that, the volumetric ratio of described the first chamber and described the second chamber is 1.5-3.
13. buffer units for air-conditioner outdoor unit according to claim 12, is characterized in that, described the first chamber is positioned at the upstream of described the second chamber.
14. buffer units for air-conditioner outdoor unit according to claim 1, is characterized in that, the cross section of described chamber is formed as circle or rectangle.
15. buffer units for air-conditioner outdoor unit according to claim 1, is characterized in that, described the first bolster and described housing are one-body molded.
16. buffer units for air-conditioner outdoor unit according to claim 1, is characterized in that, described the first bolster is positioned in described housing by keeper.
17. 1 kinds of air-conditioner outdoor units, is characterized in that, comprising:
Compressor;
Cross valve; And
According to the buffer unit described in any one in claim 1-16, one of them opening of described buffer unit is communicated with described compressor, and another opening of described buffer unit is communicated with described cross valve.
18. air-conditioner outdoor units according to claim 17, is characterized in that, the volume of the described chamber of described buffer unit be described compressor often rotate a circle volume of cylinder 5-20 doubly.
CN201410117989.4A 2014-03-26 2014-03-26 Buffer unit and there is its air-conditioner outdoor unit Active CN103940002B (en)

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CN106322563A (en) * 2016-09-30 2017-01-11 芜湖美智空调设备有限公司 Air-conditioning outdoor unit and piping system of air-conditioning outdoor unit
CN106403075A (en) * 2016-09-30 2017-02-15 芜湖美智空调设备有限公司 Air condenser outdoor unit tubing system and air condenser outdoor unit
CN110553881A (en) * 2019-09-10 2019-12-10 深圳国技环保技术有限公司 Gas pretreatment method and device

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CN101852520A (en) * 2009-03-30 2010-10-06 浙江春晖智能控制股份有限公司 Thermostatic expansion valve with damping structure
CN201724362U (en) * 2010-06-30 2011-01-26 广东美的电器股份有限公司 Inverter air conditioner silencer
WO2013097272A1 (en) * 2011-12-30 2013-07-04 Hu Delin Liquid tank, and apparatus and method for machining same
CN102927675A (en) * 2012-11-08 2013-02-13 青岛海信日立空调系统有限公司 Air conditioner exhausting silencer and silencing method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106322563A (en) * 2016-09-30 2017-01-11 芜湖美智空调设备有限公司 Air-conditioning outdoor unit and piping system of air-conditioning outdoor unit
CN106403075A (en) * 2016-09-30 2017-02-15 芜湖美智空调设备有限公司 Air condenser outdoor unit tubing system and air condenser outdoor unit
CN106322563B (en) * 2016-09-30 2019-04-30 芜湖美智空调设备有限公司 A kind of air-conditioner outdoor unit piping system and air-conditioner outdoor unit
CN110553881A (en) * 2019-09-10 2019-12-10 深圳国技环保技术有限公司 Gas pretreatment method and device

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