CN108592200A - One kind, which is hung, to be fallen machine supply air system and hangs the machine of falling - Google Patents
One kind, which is hung, to be fallen machine supply air system and hangs the machine of falling Download PDFInfo
- Publication number
- CN108592200A CN108592200A CN201810441229.7A CN201810441229A CN108592200A CN 108592200 A CN108592200 A CN 108592200A CN 201810441229 A CN201810441229 A CN 201810441229A CN 108592200 A CN108592200 A CN 108592200A
- Authority
- CN
- China
- Prior art keywords
- spiral case
- air outlet
- machine
- falling
- air
- 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
- F24F1/0007—Indoor units, e.g. fan coil 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
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
-
- 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
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
Abstract
It is hung the invention discloses one kind and falling machine supply air system and hang the machine of falling, by designing, the coboundary extended line A of spiral case air outlet is overlapped with the upper limb for the air outlet for hanging the machine of falling, the lower boundary extended line B of spiral case air outlet is overlapped with the lower edge for the air outlet for hanging the machine of falling for it, it is possible to prevente effectively from coboundary extended line A and hanging the interference between the shell for the machine of falling, lower boundary extended line B and drip tray, vortex is avoided the formation of, to effectively reduce noise and the outlet air efficiency of complete machine can be improved.Molded line, volute tongue radius, volute throat width, the exit width of spiral case air outlet, the angle of flare of spiral case air outlet, spiral case air inlet diameter, fan diameter, fan by rationally designing spiral case reinforce the data such as the gap between loop diameter, volute tongue and fan, and factor is set out to reduce the noise for hanging the machine of falling from many aspects.
Description
Technical field
It hangs the present invention relates to air-conditioning technical field more particularly to one kind and falls machine supply air system and hang the machine of falling.
Background technology
Air conditioner noises are the noises sent out when air-conditioning system work, including the noise and wind that escape into room that wind turbine generates
Regeneration noise at pipe end.Wind turbine generate noise, be blade rotation when hit surrounding air and generate have adjust noise and
There is random noise caused by vortex.In the judgment criteria of air-conditioning quality, noise level be already located at the refrigerating capacity of air conditioner,
The key parameters such as heating capacity, Energy Efficiency Ratio, air quantity status of equal importance reduces public affairs when air conditioner noises have become producer's new product development
The hot technology and difficult point of pass.
For the existing air-supply structure for hanging the machine of falling as shown in figure 3, A is the extended line of the coboundary of spiral case air outlet 110, B is snail
The extended line of the lower boundary of shell air outlet 110, it can be seen from the figure that coboundary extended line A is directly blown onto the shell for hanging the machine of falling
On 300, reflux is formed, reflux herein not only will produce noise, but also the air-flow returned can increase the resistance of blowout air-flow, drop
Low air quantity.At the same time, reflux can aggravate the uneven distribution of wind speed on heat exchanger 600, further increase noise.To
The final performance for influencing entirely to hang the machine of falling, reduces product quality.On the other hand, electronic-control box 500 be located at spiral case 100 side,
It is installed on the madial wall for the shell 300 for hanging the machine of falling, when repair, needs to disassemble entire electronic-control box 500, it can be to electricity
Control babinet 500 repairs, and causes inconvenient maintenance.
Invention content
The technical problem to be solved by the present invention is to：Offer one kind, which is hung, to be fallen machine supply air system and hangs the machine of falling, and existing skill is solved
The big technical problem of the noise for the machine of falling is hung in art.
Technical solution provided by the invention, which is that one kind is hung, falls machine supply air system, including spiral case and setting are in the spiral case
Fan, the coboundary extended line A of the spiral case air outlet of the spiral case overlaps with the upper limb for the air outlet for hanging the machine of falling, the spiral case
The lower boundary extended line B of spiral case air outlet overlapped with the lower edge for the air outlet for hanging the machine of falling.
Further, the cross-section curve of the spiral case is log spiral, and the helical angle of the log spiral takes
Ranging from 4.7 ~ 6 ° of value；The value range of the diameter D0 of the fan is 145 ~ 155mm；The diameter D1 of the stiffening ring of the fan
Value range be 150 ~ 160mm.
Further, the value range of the radius r of the volute tongue of the spiral case is 8 ~ 12mm.
Further, the value range of the throat width B of the spiral case is 75 ~ 92mm；The outlet of the spiral case air outlet
The value range of width L is 97 ~ 120mm.
Further, the value range of the diameter D2 of the spiral case air inlet of the spiral case is 123 ~ 138mm.
Further, ranging from 8 ~ 15 ° of the angle of flare α of the spiral case air outlet.
Further, the value range of the clearance t between the volute tongue and the fan is 3 ~ 7mm.
Further, the blade of the fan is wing blades, and the quantity of the blade is 41 ~ 47.
The present invention also proposes that one kind hanging the machine of falling, including shell, and the side of the shell is provided with air outlet, further includes as above
Described hanging falls machine supply air system, and the coboundary extended line A of the spiral case air outlet is overlapped with the upper limb of the air outlet, described
The lower boundary extended line B of spiral case air outlet is overlapped with the lower edge of the air outlet.
Further, partition board is provided in the shell, the inner space of the shell is separated into air inlet by the partition board
Chamber and air-out chamber, the air-inlet cavity side are provided with the spiral case and air intake grid, electronic-control box, the electronic-control box and the partition board
Connection and the top for being located at the air intake grid.
Compared with prior art, the advantages and positive effects of the present invention are：
The present invention, which discloses one kind and hangs, to be fallen machine supply air system and hangs the machine of falling, and is had the following advantages：
（1）The coboundary extended line A of design spiral case air outlet is overlapped with the upper limb for the air outlet for hanging the machine of falling, under spiral case air outlet
Boundary extended line B is overlapped with the lower edge for the air outlet for hanging the machine of falling, it is possible to prevente effectively from coboundary extended line A and the shell for hanging the machine of falling
Interference between body, lower boundary extended line B and drip tray, avoids the formation of vortex, to effectively reduce noise and can improve complete machine
Outlet air efficiency；
（2）Increasing spiral case inlet pressure by design, that is, the value range for designing the helical angle of the log spiral of spiral case is 4.7 ~ 6 °,
The air-flow of rotation is set there are enough diffusion spaces；Appropriate to reduce fan diameter, that is, the value range for designing the diameter D0 of fan is
145 ~ 155mm increases the acting space of air-flow, improves the rotation efficiency of fan；
（3）Value range by the throat width B for rationally designing spiral case is 75 ~ 92mm, the exit width L's of spiral case air outlet
Value range is 97 ~ 120mm, ensures that the air-flow blown out at the volute tongue does not occur refluence phenomenon, avoid in spiral case air inlet and
Occurs violent whirlpool in space between spiral case, to reduce the pneumatic noise of wind turbine；
（4）By changing the installation site of electronic-control box, electronic-control box is mounted on to the top of air intake grid, when repair, without will
Entire electronic-control box disassembles, and only removes air intake grid and can be repaired to electronic-control box.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram that the embodiment of the present invention hangs the machine of falling；
Fig. 2 is the structural schematic diagram of spiral case of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram for hanging the machine of falling in the prior art.
Wherein, 100- spiral cases, 110- spiral case air outlets, 120- volute tongues, 200- fans, 300- shells, 310- air outlets,
320- partition boards, 400- air intake grids, 500- electronic-control boxs, 600- heat exchangers, 700- drip trays.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Referring to Fig.1, it includes shell 300 to hang the machine of falling, and partition board 320 is provided in shell 300, and partition board 320 will be in shell 300
Portion space is separated into air-inlet cavity and air-out chamber.Air-inlet cavity side is provided with spiral case 100, and fan 200 is provided in spiral case 100, the wind
Fan 200 is centrifugal fan.Air-inlet cavity side is additionally provided with air inlet（It does not indicate）, air inlet is provided with air intake grid 400 and should be into
Air port and spiral case air inlet（It does not indicate）Connection.The through-hole for being connected to spiral case air outlet 110 is provided on partition board 320（It does not mark
Show）, spiral case air outlet 110 is across the through-hole.Air-out chamber side is provided with air outlet 310.Air outlet 310 and spiral case air outlet 110
Between be tiltedly installed with heat exchanger 600, the lower section of heat exchanger 600 is provided with drip tray 700.Hang the airflow circulating route in the machine of falling
For：The air-flow entered from air inlet enters through spiral case air inlet in spiral case 100, from spiral case outlet air under the action of fan 200
Mouthfuls 110 flow out, then after the heat exchange of heat exchanger 600 from air outlet 310 from flow out.
Disclosed by the invention hang falls machine supply air system, mainly by rationally designing 120 radius of volute tongue, 100 throat of spiral case
Width B, the exit width L of spiral case air outlet 110, the angle of flare α of spiral case air outlet 110, spiral case air inlet diameter, fan 200
The data such as the gap between diameter, volute tongue 120 and fan 200, from many aspects factor set out to reduce the noise for hanging the machine of falling.
Specifically, the coboundary extended line A of design spiral case air outlet 110 is overlapped with the upper limb for the air outlet 310 for hanging the machine of falling,
The lower boundary extended line B of spiral case air outlet 110 is overlapped with the lower edge for the air outlet 310 for hanging the machine of falling.In this way it is possible to prevente effectively from
Interference between boundary extended line A and the shell 300, lower boundary extended line B and drip tray 700 that hang the machine of falling, avoids the formation of reflux,
To effectively reduce noise and the outlet air efficiency of complete machine can be improved.Due to avoiding reflux, also just avoids and drawn by reflux simultaneously
The uneven distribution of wind speed on the heat exchanger 600 risen further contributes to reduce noise.
Under the principle based on above-mentioned design, by multiple factors that can influence noise in spiral case 100, fan 200
Progress is repeatedly tested repeatedly, is finally determined under the premise of guarantee hangs and falls machine performance, can be maximally reduced noise
Each factor parameter.
Referring in particular to Fig. 2：The cross-section curve of spiral case 100 is log spiral, and the helical angle of the log spiral takes
Ranging from 4.7 ~ 6 ° of value makes the air-flow of rotation have enough diffusion spaces by increasing spiral case inlet pressure.
Appropriate to reduce 200 diameter D0 of fan, that is, the value range for designing 200 diameter D0 of fan is 145 ~ 155mm, increases gas
The rotation efficiency of fan 200 is improved in the acting space of stream.
120 radius r of volute tongue has no significant effect the performance of wind turbine, but very big to noise effect, rationally designs volute tongue 120
Radius r can effectively prevent gas in 100 internal circulation flow of spiral case, help to reduce noise, 120 radius r of the present embodiment volute tongue
Value range be 8 ~ 12mm.
In order to ensure that the air-flow blown out at volute tongue 120 does not occur refluence phenomenon, avoid in spiral case air inlet and spiral case
Occurs violent whirlpool in space between 100, to reduce the pneumatic noise of wind turbine.The throat width B of the present embodiment spiral case 100
Value range be 75 ~ 92mm, the value range of the exit width L of spiral case air outlet 110 is 97 ~ 120mm.
In order to enable the air-flow entered from spiral case air inlet to be uniformly full of the entrance section of fan 200, and protect
It is minimum by drag losses when spiral case air inlet to demonstrate,prove air-flow, helps to weaken vortex, control and flow backwards, reduce noise, the present embodiment
The value range of spiral case air inlet diameter D2 is 123 ~ 138mm.
In order to reduce the leakage of the gas between the blade of fan 200 and spiral case 100, reinforce the fixation to blade, this implementation
It is provided with fan stiffening ring on example fan 200（It does not indicate）, the value range that fan reinforces loop diameter D1 is 150 ~ 160mm.
Due to the direction deflection that the outlet air air-flow of spiral case 100 is rotated to fan 200, in order to avoid flowing backwards, reducing noise, snail
The direction that the angle of flare α of shell air outlet 110 is also rotated towards fan 200, the exit width L and spiral case of comprehensive spiral case air outlet 110
The value range of the length of air outlet 110, the angle of flare α of the present embodiment spiral case air outlet 110 is 8 ~ 15 °.
Clearance t between volute tongue 120 and fan 200 can influence the aeroperformance of wind turbine, have large effect to noise.Between
Gap t is too big, and the aeroperformance of wind turbine reduces；Clearance t is too small, and the noise of wind turbine increases.The present embodiment volute tongue 120 and fan 200
Between clearance t value range be 3 ~ 7mm.
In order to make the blade surface of fan 200 have suitable VELOCITY DISTRIBUTION, while ensureing higher pressure and efficiency,
Noise can be reduced again, and the present embodiment blade uses wing blades.Since the quantity of blade also has a certain impact to noise, with
The increase of blade quantity, whirlpool loss reduces, and friction loss increases, so need to select a kind of flow losses minimum is best
Blade quantity.The value range of the quantity of the present embodiment blade is 41 ~ 47.
The present invention is while solving the problems, such as that the noise for the machine of falling is hung in reduction, to hanging the repair of electronic-control box 500 in the machine of falling
Convenience has also carried out structure improvement.The setting of electronic-control box 500 is connect in air-inlet cavity side, with partition board 320, is located at air intake grid 400
Top, spiral case air outlet 110 lower section.When repair, without disassembling entire electronic-control box 500, only by air intake grid 400
Electronic-control box 500 can be repaired by removing.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. one kind, which is hung, falls machine supply air system, including spiral case and the fan that is arranged in the spiral case, which is characterized in that the spiral case
The coboundary extended line A of spiral case air outlet overlapped with the upper limb for the air outlet for hanging the machine of falling, the spiral case air outlet of the spiral case
Lower boundary extended line B is overlapped with the lower edge for the air outlet for hanging the machine of falling.
2. according to claim 1 hang falls machine supply air system, which is characterized in that the cross-section curve of the spiral case is logarithm
The value range of helix, the helical angle of the log spiral is 4.7 ~ 6 °；The value range of the diameter D0 of the fan is
145~155mm；The value range of the diameter D1 of the stiffening ring of the fan is 150 ~ 160mm.
3. according to claim 2 hang falls machine supply air system, which is characterized in that the radius r's of the volute tongue of the spiral case takes
It is worth ranging from 8 ~ 12mm.
4. according to claim 3 hang falls machine supply air system, which is characterized in that the value of the throat width B of the spiral case
Ranging from 75 ~ 92mm；The value range of the exit width L of the spiral case air outlet is 97 ~ 120mm.
5. according to claim 4 hang falls machine supply air system, which is characterized in that the diameter of the spiral case air inlet of the spiral case
The value range of D2 is 123 ~ 138mm.
6. according to claim 5 hang falls machine supply air system, which is characterized in that the angle of flare α's of the spiral case air outlet
Ranging from 8 ~ 15 °.
7. according to claim 6 hang falls machine supply air system, which is characterized in that between the volute tongue and the fan
The value range of gap t is 3 ~ 7mm.
8. hanging according to any one of claim 1-7 falls machine supply air system, which is characterized in that the blade of the fan is
The quantity of wing blades, the blade is 41 ~ 47.
9. one kind hanging the machine of falling, including shell, the side of the shell is provided with air outlet, which is characterized in that is wanted including such as right
Hanging described in any one of 1-8 is asked to fall machine supply air system, coboundary extended line A and the air outlet of the spiral case air outlet
Upper limb overlaps, and the lower boundary extended line B of the spiral case air outlet is overlapped with the lower edge of the air outlet.
10. according to claim 9 hang the machine of falling, which is characterized in that be provided with partition board in the shell, the partition board is by institute
The inner space for stating shell is separated into air-inlet cavity and air-out chamber, and the air-inlet cavity side is provided with the spiral case and air intake grid, automatically controlled
Babinet, the electronic-control box connect with the partition board and positioned at the tops of the air intake grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441229.7A CN108592200A (en) | 2018-05-10 | 2018-05-10 | One kind, which is hung, to be fallen machine supply air system and hangs the machine of falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441229.7A CN108592200A (en) | 2018-05-10 | 2018-05-10 | One kind, which is hung, to be fallen machine supply air system and hangs the machine of falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108592200A true CN108592200A (en) | 2018-09-28 |
Family
ID=63636428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810441229.7A Pending CN108592200A (en) | 2018-05-10 | 2018-05-10 | One kind, which is hung, to be fallen machine supply air system and hangs the machine of falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108592200A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05288359A (en) * | 1992-04-03 | 1993-11-02 | Matsushita Seiko Co Ltd | Electrical component box for concealed type indoor unit |
| KR20120086900A (en) * | 2011-01-27 | 2012-08-06 | 주식회사 힘펠 | High performance ventilator |
| CN104566636A (en) * | 2013-10-28 | 2015-04-29 | 珠海格力电器股份有限公司 | Air duct machine and air conditioner provided with air duct machine |
| CN205014494U (en) * | 2015-09-22 | 2016-02-03 | 深圳麦克维尔空调有限公司 | Tubular fan coil |
| CN106524306A (en) * | 2016-11-25 | 2017-03-22 | 青岛海信日立空调系统有限公司 | Air pipe machine |
| CN206222462U (en) * | 2016-09-30 | 2017-06-06 | 美的集团武汉制冷设备有限公司 | Upright type wall-hung indoor apparatus of air conditioner and air-conditioner |
| CN207261316U (en) * | 2017-10-18 | 2018-04-20 | 宁波方太厨具有限公司 | Centrifugal blower volute structure |
| CN208442930U (en) * | 2018-05-10 | 2019-01-29 | 合肥海尔空调电子有限公司 | One kind, which is hung, to be fallen machine supply air system and hangs the machine of falling |
-
2018
- 2018-05-10 CN CN201810441229.7A patent/CN108592200A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05288359A (en) * | 1992-04-03 | 1993-11-02 | Matsushita Seiko Co Ltd | Electrical component box for concealed type indoor unit |
| KR20120086900A (en) * | 2011-01-27 | 2012-08-06 | 주식회사 힘펠 | High performance ventilator |
| CN104566636A (en) * | 2013-10-28 | 2015-04-29 | 珠海格力电器股份有限公司 | Air duct machine and air conditioner provided with air duct machine |
| CN205014494U (en) * | 2015-09-22 | 2016-02-03 | 深圳麦克维尔空调有限公司 | Tubular fan coil |
| CN206222462U (en) * | 2016-09-30 | 2017-06-06 | 美的集团武汉制冷设备有限公司 | Upright type wall-hung indoor apparatus of air conditioner and air-conditioner |
| CN106524306A (en) * | 2016-11-25 | 2017-03-22 | 青岛海信日立空调系统有限公司 | Air pipe machine |
| CN207261316U (en) * | 2017-10-18 | 2018-04-20 | 宁波方太厨具有限公司 | Centrifugal blower volute structure |
| CN208442930U (en) * | 2018-05-10 | 2019-01-29 | 合肥海尔空调电子有限公司 | One kind, which is hung, to be fallen machine supply air system and hangs the machine of falling |
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