CN106403074A - Air conditioner outdoor unit pipe system and air conditioner outdoor unit - Google Patents
Air conditioner outdoor unit pipe system and air conditioner outdoor unit Download PDFInfo
- Publication number
- CN106403074A CN106403074A CN201610870990.3A CN201610870990A CN106403074A CN 106403074 A CN106403074 A CN 106403074A CN 201610870990 A CN201610870990 A CN 201610870990A CN 106403074 A CN106403074 A CN 106403074A
- Authority
- CN
- China
- Prior art keywords
- outdoor unit
- conditioner outdoor
- silencer
- piping system
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/26—Refrigerant piping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/40—Vibration or noise prevention at outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
Abstract
The invention relates to an air conditioner outdoor unit pipe system and an air conditioner outdoor unit. The pipe system comprises a low-pressure valve pipe, one end of the low-pressure valve pipe is connected to one working port of a four-way valve, and the other end of the low-pressure valve pipe is connected with a low-pressure valve of an air conditioner. The low-pressure valve pipe is provided with a silencer. According to the air conditioner outdoor unit pipe system, the silencer is arranged on the low-pressure valve pipe, the whole pipe system is only provided with one silencer, and the noise elimination performance is superior to that of an existing noise elimination structure; and meanwhile, the silencer is arranged at the position away from a compressor, the silencer can also serve as an exhaust pipe balance weight, and the whole pipe system is low in cost and high in efficiency.
Description
Technical field
The present invention relates to air-conditioning technical field is and in particular to a kind of air-conditioner outdoor unit piping system and air-conditioner outdoor unit.
Background technology
The pressure at expulsion of compresser cylinder has cyclically-varying rule, leads to the refrigerant pressure in piping system also to have
Pulsation property.The pipeline vibration of transmission refrigerant when this pressure fluctuation is sufficiently large, can be encouraged.The thin-walled workpiece of indoor set is subject to
The vibrational excitation of evaporator assemblies pipeline, can give off the noise becoming frequency multiplication relation with compressor speed.This noise tool
There is obvious tonality, and be difficult by indoor machine wind sound masking, once produce to suffer customer complaint.By in piping system
Middle addition silencer, the pressure fluctuation of refrigerant of can decaying.
Content of the invention
The technical problem to be solved is for the deficiencies in the prior art, provides a kind of air-conditioner outdoor unit pipe arrangement system
System and air-conditioner outdoor unit.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of air-conditioner outdoor unit piping system, including low pressure
Valve pipe, one end of described low pressure valve pipe is connected on a working port of cross valve, the low pressure valve phase of its other end and air-conditioning
Even；Described low pressure valve pipe is provided with silencer.
The invention has the beneficial effects as follows：A kind of air-conditioner outdoor unit piping system of the present invention, silencer is arranged on low pressure
On valve pipe, whole piping system comprises only a silencer, while acoustic attenuation performance is better than existing noise elimination structure；And silencer
It is arranged in the position away from compressor and can function as blast pipe counterweight, whole piping system low cost and efficiency high.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the external diameter of described low pressure valve pipe is 8mm-10mm, and internal diameter is 7mm-9mm.
Further, also include blast pipe, one end of described blast pipe is connected on another working port of cross valve, institute
State the blast pipe other end to be connected with compressor；The external diameter of described blast pipe is 3.5mm-6mm, and the pipe thickness of described blast pipe is
0.5mm-0.75mm.
Beneficial effect using above-mentioned further scheme is：By rationally being limited to the external diameter of blast pipe and wall thickness,
Relatively existing exhaust bore is less, can improve flow velocity in blast pipe for the compressor air-discharging, accelerate deflation rate, it is to avoid gas
Body time of staying in blast pipe is long and produces excessive noise, further functions as soundproof effect.
Further, described silencer be cylindrical in shape structure and vertical arrange, it is included from bottom to up successively, and integrally connected is gradually
Expand section, expansion segment and converging transition, the upper end of the lower end of described divergent segment and described converging transition is both connected on described low pressure valve pipe；
The internal diameter of described expansion segment is 28mm-48mm.
Beneficial effect using above-mentioned further scheme is：Relatively existing expansion cavity, by increasing the diameter of expansion cavity,
Acoustic attenuation performance is better than existing structure, and low cost, efficiency high.
Further, with respect to existing silencer, the length of described expansion segment is 30mm-80mm.
Beneficial effect using above-mentioned further scheme is：By reducing the length of expansion cavity, further increase noise elimination
Performance, and low cost, efficiency high.
Further, the length of described divergent segment and converging transition is 8mm-15mm.
Further, the wall thickness of described divergent segment, expansion segment and converging transition is all not less than 1mm.
Further, described low pressure valve pipe includes the first linkage section and the second linkage section, and described first linkage section is vertically arranged
And its one end is connected on a working port of described cross valve, its other end is integrally connected with one end of described second linkage section
Connect, the other end of described second linkage section is connected with described low pressure valve；Described silencer is connected on described first linkage section.
Beneficial effect using above-mentioned further scheme is：By silencer being connected in the vertical section of low pressure valve pipe,
Soundproof effect and counterbalancing effect are all preferable.
Further, one end that described first linkage section is connected with described silencer is inserted in inside or the connection of described silencer
On the outer wall of described silencer.
Beneficial effect using above-mentioned further scheme is：By the connection end of the first linkage section and silencer is interpolated into
The inside of silencer, can play the effect eliminating high-frequency noises.
A kind of air-conditioner outdoor unit, including piping system as above.
The invention has the beneficial effects as follows：A kind of air-conditioner outdoor unit of the present invention, silencer is arranged on low pressure valve pipe, whole
Individual piping system comprises only a silencer, while acoustic attenuation performance is better than existing noise elimination structure；And silencer is arranged in far
From the position of compressor, can function as blast pipe counterweight, whole piping system low cost and efficiency high.
Brief description
Fig. 1 is the main structure diagram of the piping system of the embodiment of the present invention；
Fig. 2 is the perspective view of the piping system of the embodiment of the present invention；
Fig. 3 is the side structure schematic view of the piping system of the embodiment of the present invention；
Fig. 4 is the overlooking the structure diagram of the piping system of the embodiment of the present invention；
Fig. 5 is the main structure diagram of the piping system without muffler of the embodiment of the present invention；
Fig. 6 is the perspective view of the piping system without muffler of the embodiment of the present invention；
Fig. 7 is the side structure schematic view of the piping system without muffler of the embodiment of the present invention；
Fig. 8 is the overlooking the structure diagram of the piping system without muffler of the embodiment of the present invention；
Fig. 9 is the experimental result schematic diagram of the embodiment of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, blast pipe；2nd, cross valve；3rd, silencer；31st, divergent segment；32nd, expansion segment；33rd, converging transition；4th, muffler；5、
The cold pipe of valve；6th, low pressure valve pipe；61st, the first linkage section；62nd, the second linkage section.
Specific embodiment
Below in conjunction with accompanying drawing, the principle of the present invention and feature are described, example is served only for explaining the present invention, and
Non- for limiting the scope of the present invention.
Embodiment 1
As shown in figure 1, a kind of air-conditioner outdoor unit piping system of the present embodiment, including low pressure valve pipe 6, described low pressure valve pipe
6 one end is connected on a working port of cross valve 2, and its other end is connected with the low pressure valve of air-conditioning；Described low pressure valve pipe 6
It is provided with silencer 3.The external diameter of the external diameter low pressure valve pipe 6 of described low pressure valve pipe 6 is 8-10mm, and internal diameter is 7-9mm, and external diameter is preferred
Ground can be 9.52mm, and internal diameter can be preferably 8.02mm.The piping system of the present embodiment, silencer is arranged on low pressure valve
Guan Shang, whole piping system comprises only a silencer, while acoustic attenuation performance is better than existing noise elimination structure；And silencer cloth
Put and can function as blast pipe counterweight, whole piping system low cost and efficiency high in the position away from compressor.
The piping system of the present embodiment also includes blast pipe 1, and one end of described blast pipe 1 is connected to the another of cross valve 2
On individual working port, the other end of described blast pipe 1 is connected with compressor；The external diameter of described blast pipe 1 is 3.5mm-6mm, can
Elect 4mm, 4.5mm, 5mm, 5.5mm as；The pipe thickness of described blast pipe 1 be 0.5mm-0.75mm, be chosen as 0.55mm,
0.6mm and 0.7mm.By rationally being limited to the external diameter of blast pipe and wall thickness, relatively existing exhaust bore is less, can
Improve flow velocity in blast pipe for the compressor air-discharging, accelerate deflation rate, it is to avoid gas time of staying in blast pipe long and
Produce excessive noise, further function as soundproof effect.
As shown in Figure 1 and Figure 5, the described silencer 3 of the present embodiment be cylindrical in shape structure and vertical arrange, it include from down to
On the divergent segment 31 of integrally connected, expansion segment 32 and converging transition 33, the lower end of described divergent segment 31 and described converging transition 33 successively
Upper end be both connected on described low pressure valve pipe 6；The internal diameter of described expansion segment 32 be 28mm-48mm, be chosen as 30mm, 32mm,
34mm、36mm、38mm、40mm、42mm、44mm、46mm；The upper end of the lower end of described divergent segment 31 and described converging transition 33 and institute
The internal-and external diameter stating blast pipe 1 is equal.Relatively existing expansion cavity, by increasing the internal diameter of expansion cavity, acoustic attenuation performance is better than existing
Structure, and low cost, efficiency high.
The length of the described divergent segment 31 of the present embodiment and converging transition 33 is 8-15mm, preferably 10mm；Described flaring
The wall thickness of section 31, expansion segment 32 and converging transition 33 is all not less than 0.8mm.With respect to existing silencer, by reducing expansion cavity
Length, further increase acoustic attenuation performance, and low cost, efficiency high.The wall thickness of described divergent segment, expansion segment and converging transition is equal
Not less than 1mm.
The length of the described expansion segment 32 of the present embodiment is 30-80mm.With respect to existing silencer, expanded by increasing
The diameter in chamber, acoustic attenuation performance is better than existing structure, and low cost, efficiency high.
Such as Fig. 1 and as shown in Figure 1 and Figure 5, the described low pressure valve pipe 6 of the present embodiment includes the first linkage section 61 and second even
Connect section 62, described first linkage section 61 is vertically arranged and its one end is connected on a working port of described cross valve 2, and it is another
One end and one end integrally connected of described second linkage section 62, the other end of described second linkage section 62 is with described low pressure valve even
Connect；Described silencer 3 is connected on described first linkage section 61 and arranges on the lower.By silencer is connected to low pressure valve pipe
In vertical section, soundproof effect and counterbalancing effect are all preferable.
It is inserted in described silencer 3 in one end that described first linkage section 61 of the present embodiment is connected with described silencer 3
On outer wall that is internal or being connected to described silencer 3.By the connection end of the first linkage section and silencer is interpolated into silencer
Inside, can play eliminate high-frequency noises effect.
As Figure 1-Figure 8, the piping system of the air-conditioner outdoor unit of the present embodiment also includes muffler 4 and the cold pipe of valve 5, institute
State muffler 4 and one end of the cold pipe of valve 5 be both connected on other working ports of air-conditioning cross valve 2, described muffler 4 another
End is connected on the gas returning port of compressor, and the other end of the cold pipe 5 of described valve is connected with condenser.
Piping system and existing piping system using the present embodiment carry out experiment of eliminating the noise, the piping system of the present embodiment
In, the internal diameter of blast pipe is 4.5mm, and the internal diameter of the expansion cavity of silencer is 28mm, the cross-sectional area of blast pipe and silencer
The cross-sectional area of expansion cavity up to 38.7, sound deadening capacity is high.It is 8mm's that the blast pipe of existing piping system adopts external diameter
Copper pipe, a diameter of 25mm of the expansion cavity of silencer on blast pipe, the length of expansion cavity is 110mm；Two are had on low pressure valve pipe
Expansion muffler is connected, respectively first paragraph silencer and second segment silencer, and the expansion cavity of first paragraph silencer is a diameter of
25mm, expansion cavity length is 85mm；The a diameter of 25mm of expansion cavity of second segment silencer, expansion cavity length is 45mm.Using upper
The piping system of the present embodiment stated and existing piping system carry out acoustic characteristicses experiment, and experimental result is as shown in Figure 9.Experiment
Result shows, no matter air-conditioner outdoor unit freezes or heats, and the piping system off-premises station of the present embodiment all no transmits sound；And heat
When, existing piping system off-premises station has transmission sound near 350Hz frequency range.The piping system of the present embodiment is replaced using silencer
Generation exhaust counterweight, improves efficiency, reduces production cost.
The sound deadening capacity of the blast pipe of the present embodiment is tested, the internal diameter respectively 3.5mm of the blast pipe of employing,
4.5mm and 5.5mm, the internal diameter of the expansion cavity of silencer is respectively 28mm, 38mm and 48mm, and the length of expansion cavity is 80mm, gradually
The length of contracting section and divergent segment is 10mm, respectively to the piping system off-premises station of above-mentioned size respectively in 120Hz, 280Hz and
The sound deadening capacity of 450Hz is tested, and result of the test is as shown in table 1.
Sound deadening capacity near different frequency range for the blast pipe of table 1 the present embodiment
As shown in Table 1, the blast pipe of the present embodiment has very high sound deadening capacity.
Embodiment 2
A kind of air-conditioner outdoor unit, including piping system as described in Example 1.The air-conditioner outdoor unit of the present embodiment passes through will
Silencer is arranged on blast pipe away from one section of compressor, and whole piping system comprises only a silencer, and acoustic attenuation performance is excellent
While existing noise elimination structure, can function as blast pipe counterweight, whole piping system low cost and efficiency high.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation of instruction such as pin ", " counterclockwise ", " axial ", " radially ", " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
Connect or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limit unless otherwise clear and definite.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above it is to be understood that above-described embodiment is example
Property it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of air-conditioner outdoor unit piping system, including low pressure valve pipe (1), one end of described low pressure valve pipe (1) is connected to four-way
On one working port of valve (2), its other end is connected with the low pressure valve of air-conditioning；It is characterized in that, on described low pressure valve pipe (6)
It is provided with silencer (3).
2. according to claim 1 a kind of air-conditioner outdoor unit piping system it is characterised in that described low pressure valve pipe (6) outer
Footpath is 8mm-10mm, and internal diameter is 7mm-9mm.
3. a kind of air-conditioner outdoor unit piping system according to claim 1 or claim 2 is it is characterised in that also include blast pipe (1),
One end of described blast pipe (1) is connected on another working port of cross valve (2), the other end of described blast pipe (1) with
Compressor is connected；The external diameter of described blast pipe (1) is 3.5mm-6mm, and the pipe thickness of described blast pipe (1) is 0.5mm-
0.75mm.
4. a kind of air-conditioner outdoor unit piping system according to claim 1 or claim 2 is it is characterised in that described silencer (3) is in cylinder
Shape structure and vertical arrangement, it includes from bottom to up the divergent segment of integrally connected successively (31), expansion segment (32) and converging transition
(33), the lower end of described divergent segment (31) and the upper end of described converging transition (33) are both connected on described low pressure valve pipe (6)；Described
The internal diameter of expansion segment (32) is 28mm-48mm.
5. according to claim 4 a kind of air-conditioner outdoor unit piping system it is characterised in that the length of described expansion segment (32)
For 30mm-80mm.
6. according to claim 4 a kind of air-conditioner outdoor unit piping system it is characterised in that described divergent segment (31) and tapered
The length of section (33) is 8mm-15mm.
7. according to claim 4 a kind of air-conditioner outdoor unit piping system it is characterised in that described divergent segment (31), expansion
The wall thickness of section (32) and converging transition (33) is all not less than 1mm.
8. according to claim 1 to 2,5 to 7 any one a kind of air-conditioner outdoor unit piping system it is characterised in that described low
Pressure valve pipe (6) includes the first linkage section (61) and the second linkage section (62), described first linkage section (61) vertically arrangement and one
End is connected on a working port of described cross valve (2), one end one of its other end and described second linkage section (62)
Connect, the other end of described second linkage section (62) is connected with described low pressure valve；Described silencer (3) is connected to described first even
Connect in section (61).
9. according to claim 8 a kind of air-conditioner outdoor unit piping system it is characterised in that described first linkage section (61) with
One end that described silencer (3) connects is inserted in the inside of described silencer (3) or is connected on the outer wall of described silencer (3).
10. a kind of air-conditioner outdoor unit, including the piping system as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870990.3A CN106403074A (en) | 2016-09-30 | 2016-09-30 | Air conditioner outdoor unit pipe system and air conditioner outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870990.3A CN106403074A (en) | 2016-09-30 | 2016-09-30 | Air conditioner outdoor unit pipe system and air conditioner outdoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106403074A true CN106403074A (en) | 2017-02-15 |
Family
ID=59228574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610870990.3A Pending CN106403074A (en) | 2016-09-30 | 2016-09-30 | Air conditioner outdoor unit pipe system and air conditioner outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106403074A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059130A (en) * | 2018-09-12 | 2018-12-21 | 奥克斯空调股份有限公司 | A kind of exhaust pipe structure and air conditioner |
| CN109210754A (en) * | 2018-10-18 | 2019-01-15 | 广东美的制冷设备有限公司 | silencer for air conditioner and air conditioner |
| WO2020220657A1 (en) * | 2019-04-30 | 2020-11-05 | 邯郸美的制冷设备有限公司 | Air conditioner outdoor unit and piping assembly thereof |
| CN114278999A (en) * | 2021-12-28 | 2022-04-05 | 青岛海信日立空调系统有限公司 | Air conditioner |
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| CN204494637U (en) * | 2015-03-13 | 2015-07-22 | 广东美的暖通设备有限公司 | Air-conditioner outdoor unit and air-conditioner |
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| CN105757828A (en) * | 2016-04-22 | 2016-07-13 | 海信（山东）空调有限公司 | Air conditioner outdoor unit piping, method for forming damping material on piping and air conditioner outdoor unit |
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| JP2004293805A (en) * | 2003-03-25 | 2004-10-21 | Daikin Ind Ltd | Air conditioner |
| CN201292948Y (en) * | 2008-10-20 | 2009-08-19 | 广东美的电器股份有限公司 | Silencer for exhaust pipe of air conditioner compressor |
| CN201628315U (en) * | 2009-11-16 | 2010-11-10 | 海尔集团公司 | Air-conditioner outdoor unit |
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| CN204494637U (en) * | 2015-03-13 | 2015-07-22 | 广东美的暖通设备有限公司 | Air-conditioner outdoor unit and air-conditioner |
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| CN105757828A (en) * | 2016-04-22 | 2016-07-13 | 海信（山东）空调有限公司 | Air conditioner outdoor unit piping, method for forming damping material on piping and air conditioner outdoor unit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059130A (en) * | 2018-09-12 | 2018-12-21 | 奥克斯空调股份有限公司 | A kind of exhaust pipe structure and air conditioner |
| CN109210754A (en) * | 2018-10-18 | 2019-01-15 | 广东美的制冷设备有限公司 | silencer for air conditioner and air conditioner |
| WO2020220657A1 (en) * | 2019-04-30 | 2020-11-05 | 邯郸美的制冷设备有限公司 | Air conditioner outdoor unit and piping assembly thereof |
| CN114278999A (en) * | 2021-12-28 | 2022-04-05 | 青岛海信日立空调系统有限公司 | Air conditioner |
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