CN204388308U - Exhaust pipe assembly, exhaust system and household dehumidifier - Google Patents
Exhaust pipe assembly, exhaust system and household dehumidifier Download PDFInfo
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- CN204388308U CN204388308U CN201420824848.1U CN201420824848U CN204388308U CN 204388308 U CN204388308 U CN 204388308U CN 201420824848 U CN201420824848 U CN 201420824848U CN 204388308 U CN204388308 U CN 204388308U
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- exhaust pipe
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- pipe assembly
- tube connector
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- 238000000605 extraction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model relates to an exhaust pipe subassembly, exhaust system and domestic dehumidifier, wherein, the exhaust pipe subassembly includes connecting pipe, first blast pipe and second blast pipe, the one end of connecting pipe is used for connecting the compressor, the other end of connecting pipe is connected the one end of first blast pipe, the other end of first blast pipe is connected the one end of second blast pipe, the other end of second blast pipe is used for connecting the evaporimeter, wherein, the external diameter of first blast pipe is less than 55% ~ 75% of the external diameter of connecting pipe. The utility model discloses a pipeline of little pipe diameter is as first exhaust pipe, and the pipeline of its flexible great pipe diameter is better, can effective noise reduction and vibration, improves domestic dehumidifier's travelling comfort.
Description
Technical field
The utility model relates to household appliance technical field, particularly relates to a kind of exhaust pipe assembly, gas extraction system and Domestic dehumidifying machine.
Background technology
Along with the raising of quality of life, Domestic dehumidifying machine steps into the life of people gradually, and the requirement for dehumidifier performance indications is also more and more higher.Especially noise requirements directly has influence on the impression of user, Domestic dehumidifying machine extraordinary noise is mainly caused by actings in conjunction such as compressor, fan, pipe arrangement pipeline and sheet metal components, noise particularly caused by pipe arrangement pipeline vibration, very large to the vibration noise contribution of complete machine, and the larger vibration of pipe arrangement also easily causes the fatigue fracture of pipe arrangement pipeline, therefore, the reasonably optimizing design of pipe arrangement pipeline is to the reliability important role reducing dehumidifier vibration noise and raising product.
Domestic dehumidifying body amasss little, compact conformation, after compressor installed by dehumidifier, the suction tracheae assembly of compressor is subject to the little restriction in space, in the process walking pipe, the number of times of the direction of suction tracheae assembly, stroke and bending all receives larger impact, line arrangement relative difficulty, the power that channel interior is subject to can not get effective and reasonable release, so cause pipeline vibration to aggravate, produce bat to shake noise simultaneously, cause the vibration & noise of dehumidifier complete machine all larger.The vibration source of Domestic dehumidifying machine mainly comes from dehumidifier compressor, and externally transmitted by the footing of compressor and pipe arrangement pipeline, suction and discharge pipe arrangement pipeline is in forced vibration state owing to receiving the impact of the exciting of compressor and refrigerant flowing, thus produces obvious vibration & noise.
At present; on market, the exhaust pipe assembly design copper pipe adopting the tube connector of a Φ 8 to meet a Φ 6 or Φ 7 of existing family expenses 40L dehumidifier is formed by connecting more; the external diameter of tube connector is more than 75% of blast pipe external diameter; existing pipe arrangement method pipeline vibration ess-strain is larger; general startup-shutdown maximum strain is at 280 more than μ, and run maximum strain at 60 more than μ, integrated stress is higher; and extremely unstable, cannot development requires be met.And integrated stress is higher, there is greatly pipeline and split danger of leaking out in extremely unstable, and by the compressor noise value of this method pipe arrangement and tonequality generally poor, contemporary people cannot be met to dehumidifier requirement.
Above situation shows: a kind of better pipe arrangement method of market demand solves ess-strain and the noise problem of family expenses 40L dehumidifier.
Utility model content
The purpose of this utility model proposes a kind of exhaust pipe assembly, gas extraction system and Domestic dehumidifying machine, and it can reduce vibration and noise further.
For achieving the above object, the utility model provides a kind of exhaust pipe assembly, it comprises tube connector, downtake pipe and second exhaust pipe, one end of described tube connector is for connecting compressor, the other end of described tube connector connects one end of described downtake pipe, the other end of described downtake pipe connects one end of described second exhaust pipe, the other end of described second exhaust pipe is for connecting evaporimeter, wherein, the external diameter of described downtake pipe is less than 55% ~ 75% of the external diameter of described tube connector.
One preferably or in embodiment, throat structure is arranged in the end that described tube connector is connected with described downtake pipe, in the end of described downtake pipe is wrapped in by described throat structure.
One preferably or in embodiment, flaring structure is arranged in the end that described downtake pipe is connected with described second exhaust pipe, in the end of described second exhaust pipe is wrapped in by described flaring structure.
One preferably or in embodiment, the external diameter of described downtake pipe is less than or equal to 5mm, and wall thickness is 0.5mm.
One preferably or in embodiment, the external diameter of described tube connector is more than or equal to 6mm.
One preferably or in embodiment, the external diameter of described second exhaust pipe is more than or equal to 6mm.
One preferably or in embodiment, the external diameter of described tube connector is 8mm, the external diameter of described downtake pipe is 5mm, the external diameter of second exhaust pipe is 6mm, and the throat structure internal diameter of described tube connector is 5.2mm, for connecting described downtake pipe, the flaring structure internal diameter of described downtake pipe is 6.2mm, for connecting described second exhaust pipe, the other end internal diameter enlarging of described second exhaust pipe, to 7.2mm, goes out pipe for connecting evaporimeter.
One preferably or in embodiment, the proportion that the length of described downtake pipe accounts for whole described exhaust pipe assembly length is 30% ~ 70%.
For achieving the above object, the utility model additionally provides a kind of gas extraction system, it comprises compressor, evaporimeter, and the exhaust pipe assembly in above-mentioned any embodiment, described compressor connects the tube connector in described exhaust pipe assembly, described evaporimeter connects the second exhaust pipe in described exhaust pipe assembly, the air-flow in described compressor can be discharged in described evaporimeter by described exhaust pipe assembly.
For achieving the above object, the utility model additionally provides a kind of Domestic dehumidifying machine, and it comprises the exhaust pipe assembly in above-mentioned any embodiment.
Based on technique scheme, the utility model at least has following beneficial effect:
The exhaust pipe assembly that the utility model provides adopts downtake pipe to connect tube connector and second exhaust pipe, the external diameter of downtake pipe is less than 55% ~ 75% of the external diameter of tube connector, adopt the downtake pipe of pipe with small pipe diameter, its flexibility is better compared with the pipeline of Large Diameter Pipeline, can effectively reduce noise and vibration, improve the comfortableness of Domestic dehumidifying machine.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The structural representation of the first embodiment of the exhaust pipe assembly that Fig. 1 provides for the utility model;
The structural representation of the second embodiment of the exhaust pipe assembly that Fig. 2 provides for the utility model;
The structural representation of the 3rd embodiment of the exhaust pipe assembly that Fig. 3 provides for the utility model;
The structural representation of the 4th embodiment of the exhaust pipe assembly that Fig. 4 provides for the utility model;
The structural representation of the 5th embodiment of the exhaust pipe assembly that Fig. 5 provides for the utility model;
The structural representation of the 6th embodiment of the exhaust pipe assembly that Fig. 6 provides for the utility model.
Attached number in the figure:
1-tube connector; 2-downtake pipe; 3-second exhaust pipe.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
As shown in figures 1 to 6, the illustrative examples of the exhaust pipe assembly that the utility model provides, in this illustrative examples, exhaust pipe assembly comprises tube connector 1, downtake pipe 2 and second exhaust pipe 3, one end of tube connector 1 is for connecting compressor, the other end of tube connector 1 connects one end of downtake pipe 2, the other end of downtake pipe 2 connects one end of second exhaust pipe 3, the other end of second exhaust pipe 3 is for connecting evaporimeter, wherein, the external diameter of downtake pipe 2 is less than 55% ~ 75% of the external diameter of tube connector 1, and preferably 62.5%.
The illustrative examples of the exhaust pipe assembly that the utility model provides, the external diameter of downtake pipe 2 can be less than or equal to 5mm.
One preferably or in embodiment, the external diameter of downtake pipe 2 can be 5mm, and wall thickness can be 0.5mm; The external diameter of tube connector 1 can be more than or equal to 6mm, and such as: can be 8mm, wall thickness can be 0.65mm; The external diameter of second exhaust pipe 3 can be more than or equal to 6mm, and such as: can be 6mm, wall thickness can be 0.5mm.
Further, the external diameter of downtake pipe 2 can be 5mm, and the external diameter of tube connector 1 can be 8mm, and the external diameter of downtake pipe 2 is less than 55% ~ 75% of the external diameter of tube connector 1; Or the external diameter of downtake pipe 2 can be 4mm, the external diameter of tube connector 1 can be 8mm, and the external diameter of downtake pipe 2 is 50% of the external diameter of tube connector 1.
Downtake pipe 2 in existing exhaust pipe assembly is the pipeline of more than 6mm with external diameter always, the utility model adopts external diameter to be not more than the pipeline of 5mm as downtake pipe 2, the copper pipe technique bend pipe of pipe with small pipe diameter is selected to require higher, pipeline is too easily out of shape, and the too small refrigeration system resistance of caliber strengthens, pressure drop becomes large, moisture removal will be affected, the utility model is after having carried out great many of experiments, external diameter is adopted to be not more than the pipeline of 5mm as downtake pipe 2 when affecting minimum, the more existing Φ 6 of flexibility, Φ 7, Φ 8, Φ 9 is better, can effectively reduce noise and vibration, improve the comfortableness of Domestic dehumidifying machine, and the proportion that the length that the utility model limits downtake pipe 2 further accounts for whole exhaust pipe assembly length is 30% ~ 70%.
One preferably or in embodiment, the length range of downtake pipe 2 is not more than 700mm, can select 70mm ~ 700mm, and preferred 510mm makes the impact of downtake pipe 2 be down to minimum.
In the illustrative examples of the exhaust pipe assembly provided at the utility model, throat structure is arranged in the end that tube connector 1 is connected with downtake pipe 2, in the end of downtake pipe is wrapped in by throat structure.Flaring structure is arranged in the end that downtake pipe 2 is connected with second exhaust pipe 3, in the end of second exhaust pipe 3 is wrapped in by flaring structure.
The creationary copper pipe employing one section of Φ 5mm (external diameter) × 0.5mm (wall thickness) of the exhaust pipe assembly that the utility model provides, exhaust pipe assembly is divided into three parts, wherein, exhaust pipe assembly is made up of the second exhaust pipe 3 of downtake pipe 2+ mono-section of Φ 6 × 0.5 of tube connector 1+ mono-section of Φ 5 × 0.5 of one section of Φ 8 × 0.65.
Concrete connection is: external diameter is that the pipeline reducing of the tube connector 1 of 8mm is to internal diameter 5.2mm, for the downtake pipe 2 that connecting external diameter is 5mm, external diameter is that the tubing internal diameter enlarging of the downtake pipe 2 of 5mm is to 6.2mm, for the second exhaust pipe 3 that connecting external diameter is 6mm, external diameter is that the internal diameter enlarging of the second exhaust pipe 3 of 6mm goes out pipe to 7.2mm for connecting evaporimeter.
In above-mentioned illustrative examples, external diameter is that the tube connector 1 of 8mm is generally U-tube, and external diameter is the downtake pipe 2 of 5mm and external diameter is that the concrete shape of the second exhaust pipe 3 of 6mm is by type housing size and stringing space constraint.Because the inner cloth tube space of Domestic dehumidifying machine is little, in the process walking pipe, the number of times of direction, stroke and bending all receives larger impact, the exhaust pipe assembly that the utility model provides can have form as shown in figures 1 to 6, so that the power be subject to by channel interior obtains effective and reasonable release, alleviate pipeline vibration, reduce bat simultaneously and to shake noise.
In above-mentioned illustrative examples, tube connector 1, downtake pipe 2 and second exhaust pipe 3 all can adopt copper pipe.
The utility model is by using the downtake pipe 2 of Φ 5, flexible better, pipeline stress is better discharged, reduce ess-strain, reduce because the noise that causes of pipeline vibration, three sections of pipelines mainly compressor are connected needs with condenser, utilize the flexibility of pipeline at utmost to reduce the noise of complete machine simultaneously, complete machine peak shelves noise nominal 44dB, tonequality is much better than similar type.
The utility model additionally provides a kind of gas extraction system, gas extraction system can comprise compressor, evaporimeter, and the exhaust pipe assembly in above-mentioned any embodiment, compressor connects the tube connector 1 in exhaust pipe assembly, evaporimeter connects the second exhaust pipe 3 in exhaust pipe assembly, the air-flow in compressor can be discharged in evaporimeter by exhaust pipe assembly.
The exhaust pipe assembly that the utility model provides can be applied on the household electrical appliance such as Domestic dehumidifying machine.
In the illustrative examples of the Domestic dehumidifying machine provided at the utility model, Domestic dehumidifying machine comprises the exhaust pipe assembly in above-mentioned any embodiment.
Below by model analysis, the exhaust pipe assembly that further illustrating the utility model provides can reduce stress, strain and noise to the full extent.
One, pipe arrangement composition:
Exhaust pipe assembly is made up of the second exhaust pipe 3 of downtake pipe 2+ mono-section of Φ 6 × 0.5 of tube connector 1+ mono-section of Φ 5 × 0.5 of one section of Φ 8 × 0.65.
Two, compressor loads data
Table one
Data in table one are that compressor monomer test data realizes, and are mainly compressor parameter, show that the operating frequency of compressor is 48Hz.
Three, exhaust pipe assembly (pipe arrangement) model analysis data
Table two
| Exponent number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Gu frequently | 5.3 | 5.4 | 10.7 | 15.9 | 16.7 | 17.3 | 23.5 | 27.3 | 30.0 | 30.7 |
| Exponent number | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Gu frequently | 55.7 | 58.8 | 62.4 | 67.8 | 68.1 | 69.1 | 79.7 | 89.6 | 101.1 | 119.2 |
Table two pipe arrangement model analysis conclusion: by the analysis result display frequently admittedly of exhaust pipe assembly (exhaust pipe arrangement pipeline) CAE, the exhaust pipe assembly that technique scheme provides, avoid the operating frequency of compressor 48Hz and the running multiple frequency of 96Hz, add the flexibility of exhaust pipe assembly, be conducive to absorbing more vibrational energy, reduce the risk of exhaust pipe assembly resonance, by the improvement to exhaust pipe assembly, eventually reduce the vibration & noise of system.
Four, harmonic responding analysis result
Table three
In table three, the intrinsic frequency of exhaust pipe assembly departs from more than compressor speed 8Hz; Exhaust pipe assembly stress is average, and stress maximum is not more than 5Mpa.
Pass through above table; can find out the utility model fabulous solve the higher problem of family expenses 40L dehumidifier ess-strain; 30 μ are no more than in operation phase maximum strain; the maximum strain of startup-shutdown each position is no more than 230 μ; and it is less to fluctuate when volume production, and at utmost can reduce noise.
The utility model has also carried out vibration displacement, Stress Map analysis to exhaust pipe assembly, comprehensive displacement distribution and stress distribution are analysis of pipeline direction of displacement and stress distribution situations under operation, can find out that the stress of the exhaust pipe assembly that the utility model provides all reduces than scheme of the prior art from vibration displacement, Stress Map.
The utility model is creationary increase by one section of φ 5 pipeline on family expenses 40L dehumidifier exhaust pipe assembly, allow people know the vibration noise of dehumidifier and compressor piping circuit design arrangement relation great, the design of reasonably optimizing pipe arrangement, energy vibration and noise reducing, improves product reliability.
In description of the present utility model; it will be appreciated that; the word such as " first ", " second " is used to limit parts; be only used to be convenient to distinguish above-mentioned parts; as there is no Stated otherwise; above-mentioned word does not have particular meaning, therefore can not be interpreted as the restriction to the utility model protection domain.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (10)
1. an exhaust pipe assembly, it is characterized in that: comprise tube connector (1), downtake pipe (2) and second exhaust pipe (3), one end of described tube connector (1) is for connecting compressor, the other end of described tube connector (1) connects one end of described downtake pipe (2), the other end of described downtake pipe (2) connects one end of described second exhaust pipe (3), the other end of described second exhaust pipe (3) is for connecting evaporimeter, wherein, the external diameter of described downtake pipe (2) is less than 55% ~ 75% of the external diameter of described tube connector (1).
2. exhaust pipe assembly as claimed in claim 1, it is characterized in that: throat structure is arranged in the end that described tube connector (1) is connected with described downtake pipe (2), in the end of described downtake pipe (2) is wrapped in by described throat structure.
3. exhaust pipe assembly as claimed in claim 2, it is characterized in that: flaring structure is arranged in the end that described downtake pipe (2) is connected with described second exhaust pipe (3), in the end of described second exhaust pipe (3) is wrapped in by described flaring structure.
4. the exhaust pipe assembly as described in any one of claim 1-3, is characterized in that: the external diameter of described downtake pipe (2) is less than or equal to 5mm, and wall thickness is 0.5mm.
5. exhaust pipe assembly as claimed in claim 4, is characterized in that: the external diameter of described tube connector (1) is more than or equal to 6mm.
6. exhaust pipe assembly as claimed in claim 5, is characterized in that: the external diameter of described second exhaust pipe (3) is more than or equal to 6mm.
7. exhaust pipe assembly as claimed in claim 6, it is characterized in that: the external diameter of described tube connector (1) is 8mm, the external diameter of described downtake pipe (2) is 5mm, the external diameter of second exhaust pipe (3) is 6mm, the throat structure internal diameter of described tube connector (1) is 5.2mm, for connecting described downtake pipe (2), the flaring structure internal diameter of described downtake pipe (2) is 6.2mm, for connecting described second exhaust pipe (3), the other end internal diameter enlarging of described second exhaust pipe (3), to 7.2mm, goes out pipe for connecting evaporimeter.
8. the exhaust pipe assembly as described in any one of claim 1-3, is characterized in that: the proportion that the length of described downtake pipe (2) accounts for whole described exhaust pipe assembly length is 30% ~ 70%.
9. a gas extraction system, it is characterized in that: comprise compressor, evaporimeter, and the exhaust pipe assembly as described in any one of claim 1-8, described compressor connects the tube connector (1) in described exhaust pipe assembly, described evaporimeter connects the second exhaust pipe (3) in described exhaust pipe assembly, the air-flow in described compressor can be discharged in described evaporimeter by described exhaust pipe assembly.
10. a Domestic dehumidifying machine, is characterized in that: comprise the exhaust pipe assembly as described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824848.1U CN204388308U (en) | 2014-12-19 | 2014-12-19 | Exhaust pipe assembly, exhaust system and household dehumidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824848.1U CN204388308U (en) | 2014-12-19 | 2014-12-19 | Exhaust pipe assembly, exhaust system and household dehumidifier |
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| Publication Number | Publication Date |
|---|---|
| CN204388308U true CN204388308U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420824848.1U Active CN204388308U (en) | 2014-12-19 | 2014-12-19 | Exhaust pipe assembly, exhaust system and household dehumidifier |
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| CN (1) | CN204388308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482641A (en) * | 2014-12-19 | 2015-04-01 | 珠海格力电器股份有限公司 | Exhaust pipe assembly, exhaust system and household dehumidifier |
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2014
- 2014-12-19 CN CN201420824848.1U patent/CN204388308U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482641A (en) * | 2014-12-19 | 2015-04-01 | 珠海格力电器股份有限公司 | Exhaust pipe assembly, exhaust system and household dehumidifier |
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