CN1727689A - Blowing fan possessing centrifugal fan and cross flow fan - Google Patents
Blowing fan possessing centrifugal fan and cross flow fan Download PDFInfo
- Publication number
- CN1727689A CN1727689A CNA2004100201204A CN200410020120A CN1727689A CN 1727689 A CN1727689 A CN 1727689A CN A2004100201204 A CNA2004100201204 A CN A2004100201204A CN 200410020120 A CN200410020120 A CN 200410020120A CN 1727689 A CN1727689 A CN 1727689A
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- China
- Prior art keywords
- fan
- cross flow
- centrifugal fan
- centrifugal
- flow fan
- 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
Links
- 238000007664 blowing Methods 0.000 title description 3
- 241000237858 Gastropoda Species 0.000 claims description 9
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a ventilator with centrifugal fan and crossflow fan. Said ventilator includes the following components: ventilator self-body, centrifugal fan, crossflow fan and motor. Said invention also provides the concrete structure of the above-mentioned every component and their connection mode. In a ventilator the centrifugal fan and crossflow fan can be integrally formed, so that it can maximally raise space utilization rate, and has the advantages of two fans, so that its air quantity and air pressure can obtain optimum states.
Description
Technical field
The present invention relates to a kind of gas fan with centrifugal fan and cross flow fan.
Background technique
In general, gas fan is made up of motor, shell and blowing fan (impeller).As the blowing fan of gas fan, mainly adopt centrifugal fan (Siroeco fan), axial flow fan (Propeller fan), turbine fan (Turbo fan) or cross flow fan (Cross flow fan), and on the indoor set of separate type air conditioner, mostly adopt cross flow fan.
As shown in Figure 1, the double-sucking type centrifugal blower comprises the gas fan spool 11 that is the snail tubulose that is arranged on centrifugal blower 10 inside; Be positioned at the outside of double-sucking type centrifugal blower 10, and play the motor 12 of rotation driving action; Be connected a side of above-mentioned motor 12, and be positioned at the motor shaft 13 of gas fan spool 13; Be fixed in motor shaft 13, and, suck the centrifugal fan 14 of outside air along with centrifugal motion is carried out in the rotation of motor 12; Be formed at the forward and backward side of gas fan, be used for sucking the place ahead and the rear suction port 15,16 of outside air by the centrifugal motion of centrifugal fan 14; Be formed at the end of gas fan spool 11, and the air-supply exhaust port 17 of discharging again by above-mentioned the place ahead and rear suction port 15,16 inhaled airs is formed.
Centrifugal blower working procedure with said structure is as described below: the motor 12 that is positioned at gas fan 10 outsides begins after the rotation driving, and along with the rotation driving of above-mentioned motor 12, the centrifugal fan 14 of above-mentioned gas fan spool 11 inside is rotated motion.
After above-mentioned centrifugal fan 14 begins to be rotated motion, form negative pressure around the above-mentioned centrifugal fan 14, and the place ahead and rear suction port 15,16 by being formed at gas fan spool 11 forward and backward sides, air outside then flows to gas fan 10 inside.
Afterwards, above-mentionedly be discharged from by gas fan exhaust port 17, form air-flow with this by the place ahead and rear suction port 15,16 inhaled airs.
The advantage of such double-sucking type centrifugal blower is the big and low noise of pressure height, air quantity.
In addition,, can adopt the height of increase impeller and the method for diameter, have certain narrow limitation but increase method highly in order to improve the air quantity of double-sucking type gas fan.Here it is along with the increase of diameter, and the size that whole fan can occur also becomes big problem thereupon.
Have again, also the problem that exists inconvenience in long and narrow space, to install and use.
In addition,, then can increase the volume of system, make troubles to installation if motor and impeller and spool are separated by a distance.Therefore, on common gas fan, arrange motor, impeller and spool usually compactly.At this moment, because of the cause of motor, sucking area can be reduced, and air quantity also reduces thereupon.
As shown in Figure 2, gas fan comprises suction port 21, cross flow fan 22, rear guide portion 23, stabilizer 24 and exhaust port 25.
Adopt the gas fan of cross flow fan,, can produce vortex (Vortex) and flow along with the rotation of motor.And the effect of above-mentioned rear guide portion 23 to be noises that swirl flow is produced be reduced to minimum level, and increase air imbibed quantity, diversion air.
Because above-mentioned rear guide portion 23 reverts to static pressure to the dynamic pressure that cross flow fan 22 is produced, therefore can produce the torrent noise, i.e. BROADBAND NOISE, thus when design with the length of the degrees of expansion of its curvature and exhaust port as design focal point.
In addition, stabilizer 24 is arranged on the bottom of cross flow fan 22, keeps certain distance with cross flow fan 22, and marks off air suction inlet 21 and exhaust port 25.
The gas fan of above-mentioned employing cross flow fan is applied to the long place of path, and passage (stabilizer and rear guide portion) structure around pressing, and from the side suction of impeller, discharges to opposite side.
Therefore, lack, have the advantage of high air quantity, low noise though pressure rises.
But, to compare with centrifugal fan, the ascending amount of its static pressure is very low, therefore has the problem of using in the bigger system of resistance that is difficult in.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing centrifugal fan gas fan exists, the invention provides a kind of gas fan with centrifugal fan and cross flow fan, integrally formed centrifugal fan and cross flow fan in a gas fan, to improve space availability ratio to greatest extent, and by gas fan two kinds of fans of embodiment advantage separately, thereby reaching the optimum state aspect air quantity and the blast.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of gas fan with centrifugal fan and cross flow fan comprises centrifugal fan, cross flow fan and motor; It is characterized in that, comprising: an open side is communicated with the upper side of opening by the snail pipe, and the main body that open opposite side lower side is communicated with the upper side of opening; It is inboard that described centrifugal fan is positioned at main body snail pipe, and a side open by this main body sucks air, and by open upside exhausting air; Described cross flow fan and described centrifugal fan are isolated, and between open opposite side lower side of described main body and open upper side, suck air from the main body opposite side lower side of described opening, and by this open upside exhausting air; Described centrifugal fan of described motor driving and cross flow fan.
Aforesaid gas fan with centrifugal fan and cross flow fan, wherein the blade of centrifugal fan and cross flow fan has identical shaped.
Aforesaid gas fan with centrifugal fan and cross flow fan, wherein the blade of centrifugal fan and cross flow fan has difformity.
Aforesaid gas fan with centrifugal fan and cross flow fan, wherein body interior also comprises plate body, isolates centrifugal fan and cross flow fan.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is existing double-sucking type centrifugal blower structural representation.
Fig. 2 is existing ventilating blower structure schematic representation with cross flow fan.
Fig. 3 is the gas fan ventilation state schematic representation with centrifugal fan and cross flow fan of the present invention.
Fig. 4 is the sectional drawing with gas fan of centrifugal fan and cross flow fan of the present invention.
Fig. 5 is for being provided with the ventilating blower structure schematic representation of the plate body of distinguishing centrifugal fan and cross flow fan among the present invention.
The number in the figure explanation:
100: main body 102: the snail pipe
150: centrifugal fan 155: motor
160: cross flow fan 200: plate body
Embodiment
As shown in Figure 3, Figure 4, the gas fan that the present invention has centrifugal fan and a cross flow fan comprises by an open side 101 and being communicated with open upper side 103 by snail pipe 102, and the main body 100 that the opposite side lower side of opening 104 is communicated with the upper side of opening 103; Be positioned at main body 100 snails and manage 102 inboards, a side 101 open from aforementioned body sucks air, and passes through the centrifugal fan 150 of open upper side 103 exhausting airs; Separated by a distance with above-mentioned centrifugal fan 150, and between the opposite side lower side 104 of the opening of aforementioned body and open upper side 103, suck air from the opposite side lower side 104 of the main body of above-mentioned opening and from the cross flow fan 160 of open upper side 103 exhausting airs; Drive the motor 155 of above-mentioned centrifugal fan 150 and cross flow fan 160.
The present invention has the gas fan of centrifugal fan and cross flow fan, is wholely set centrifugal fan and cross flow fan, and both is fixed on the axle of a motor 155.Therefore centrifugal fan sucks air by the axle direction of main body, and discharges to the main body top of radial direction by the snail pipe.
In addition, cross flow fan is discharged by another radial direction after pressing radial direction suction air.
That is, the present invention is the multi-functional gas fan with an exhaust port 103 and two suction ports 101,104.
In addition,, can make the centrifugal fan and the cross flow fan of gas fan of the present invention, have identical blade shape in order to reduce manufacture cost.In contrast, also can consider the different characteristics of centrifugal fan and cross flow fan, the Blade Design of two kinds of fans is become different shapes.
As shown in Figure 5, by plate body 200 is set in body interior, isolate centrifugal fan and cross flow fan, preventing sucking the air that discharge by exhaust port 103a the back from the suction port that is communicated with centrifugal fan 150 101, with from is communicated with that suction port 104 at cross flow fan 160 sucks and air by exhaust port 103b discharge between mix.Thereby, allow the performance of each fan not be subjected to external action, make each fan carry out relatively independent work.
In a word, gas fan of the present invention can improve space availability ratio, and can carry out the work of centrifugal fan and cross flow fan separately, therefore can embody two kinds of fans advantage separately by a gas fan.Thereby, can reach the optimum state aspect air quantity and the blast.
The effect of invention
In sum, pressure fan of the present invention has following effect. Improve space availability ratio, can be independent Carry out the work of centrifugal fan and cross flow fan. Therefore, can embody two kinds of fans separately by a pressure fan Advantage, reaching optimum state aspect air quantity and the blast.
Therefore, the present invention can be used for carrying out the products such as ventilating hood-type microwave oven that rationalize in the space it In.
The above only is preferred embodiment of the present invention, be not to the present invention do any in form Restriction, any simple modification that every foundation technical spirit of the present invention is done above embodiment, etc. With changing and modifying, all still belong in the scope of technical solution of the present invention.
Claims (4)
1, a kind of gas fan with centrifugal fan and cross flow fan comprises centrifugal fan, cross flow fan and motor; It is characterized in that, comprising:
An open side is communicated with the upper side of opening by the snail pipe, and the main body that open opposite side lower side is communicated with the upper side of opening;
It is inboard that described centrifugal fan is positioned at main body snail pipe, and a side open by this main body sucks air, and by open upside exhausting air;
Described cross flow fan and described centrifugal fan are isolated, and between open opposite side lower side of described main body and open upper side, suck air from the main body opposite side lower side of described opening, and by this open upside exhausting air;
Described centrifugal fan of described motor driving and cross flow fan.
2, the gas fan with centrifugal fan and cross flow fan according to claim 1 is characterized in that the blade of described centrifugal fan and cross flow fan has identical shaped.
3, the gas fan with centrifugal fan and cross flow fan according to claim 1 is characterized in that the blade of described centrifugal fan and cross flow fan has difformity.
4, the gas fan with centrifugal fan and cross flow fan according to claim 1 is characterized in that described body interior also comprises plate body, isolates centrifugal fan and cross flow fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100201204A CN1727689A (en) | 2004-07-26 | 2004-07-26 | Blowing fan possessing centrifugal fan and cross flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100201204A CN1727689A (en) | 2004-07-26 | 2004-07-26 | Blowing fan possessing centrifugal fan and cross flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1727689A true CN1727689A (en) | 2006-02-01 |
Family
ID=35927142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100201204A Pending CN1727689A (en) | 2004-07-26 | 2004-07-26 | Blowing fan possessing centrifugal fan and cross flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1727689A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1865263A3 (en) * | 2006-05-31 | 2010-01-06 | Imper S.p.A. | Integrated fan assembly for cooling an oven |
| JP2012127334A (en) * | 2010-12-16 | 2012-07-05 | Jianzhun Electric Mach Ind Co Ltd | Fan module |
| CN102562668A (en) * | 2010-12-20 | 2012-07-11 | 建准电机工业股份有限公司 | Fan module |
| CN103321929A (en) * | 2013-06-15 | 2013-09-25 | 吴钰 | Relay flow fan and extractor hood with same |
| CN104421190A (en) * | 2013-09-04 | 2015-03-18 | 广东美的暖通设备有限公司 | Blowing-in fan and air conditioner with same |
| CN104421189A (en) * | 2013-09-04 | 2015-03-18 | 广东美的暖通设备有限公司 | Blowing-in fan and air conditioner with same |
| CN110566485A (en) * | 2019-09-05 | 2019-12-13 | 奇鋐科技股份有限公司 | Integrated fan set |
| CN111720349A (en) * | 2020-07-20 | 2020-09-29 | 东莞市鸿盈电子科技有限公司 | Miniature fan |
| WO2020213031A1 (en) * | 2019-04-15 | 2020-10-22 | 三菱電機株式会社 | Air blower, indoor unit for air conditioning device, and air conditioning device |
| WO2024189871A1 (en) * | 2023-03-16 | 2024-09-19 | 三菱電機株式会社 | Indoor unit for air conditioner and air conditioner equipped with same |
-
2004
- 2004-07-26 CN CNA2004100201204A patent/CN1727689A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1865263A3 (en) * | 2006-05-31 | 2010-01-06 | Imper S.p.A. | Integrated fan assembly for cooling an oven |
| US8876499B2 (en) | 2010-12-16 | 2014-11-04 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan module |
| CN102562667A (en) * | 2010-12-16 | 2012-07-11 | 建准电机工业股份有限公司 | Fan module |
| EP2466143A3 (en) * | 2010-12-16 | 2012-11-07 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan module |
| JP2012127334A (en) * | 2010-12-16 | 2012-07-05 | Jianzhun Electric Mach Ind Co Ltd | Fan module |
| KR101394499B1 (en) * | 2010-12-16 | 2014-05-13 | 선온웰스 일렉트릭 머신 인더스트리 컴퍼니 리미티드 | Fan module |
| CN102562668B (en) * | 2010-12-20 | 2014-12-17 | 建准电机工业股份有限公司 | Fan module |
| US8684661B2 (en) | 2010-12-20 | 2014-04-01 | Sunonwealth Electric Machine Industry Co., Ltd | Fan module |
| CN102562668A (en) * | 2010-12-20 | 2012-07-11 | 建准电机工业股份有限公司 | Fan module |
| CN103321929A (en) * | 2013-06-15 | 2013-09-25 | 吴钰 | Relay flow fan and extractor hood with same |
| CN104421189A (en) * | 2013-09-04 | 2015-03-18 | 广东美的暖通设备有限公司 | Blowing-in fan and air conditioner with same |
| CN104421190A (en) * | 2013-09-04 | 2015-03-18 | 广东美的暖通设备有限公司 | Blowing-in fan and air conditioner with same |
| CN104421189B (en) * | 2013-09-04 | 2017-08-29 | 广东美的暖通设备有限公司 | Breeze fan and the air-conditioning with it |
| CN104421190B (en) * | 2013-09-04 | 2017-11-10 | 广东美的暖通设备有限公司 | Breeze fan and there is its air-conditioning |
| WO2020213031A1 (en) * | 2019-04-15 | 2020-10-22 | 三菱電機株式会社 | Air blower, indoor unit for air conditioning device, and air conditioning device |
| CN110566485A (en) * | 2019-09-05 | 2019-12-13 | 奇鋐科技股份有限公司 | Integrated fan set |
| CN111720349A (en) * | 2020-07-20 | 2020-09-29 | 东莞市鸿盈电子科技有限公司 | Miniature fan |
| WO2024189871A1 (en) * | 2023-03-16 | 2024-09-19 | 三菱電機株式会社 | Indoor unit for air conditioner and air conditioner equipped with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |