CN108105122A - A kind of Dual-blade ventilation fan - Google Patents
A kind of Dual-blade ventilation fan Download PDFInfo
- Publication number
- CN108105122A CN108105122A CN201711172905.7A CN201711172905A CN108105122A CN 108105122 A CN108105122 A CN 108105122A CN 201711172905 A CN201711172905 A CN 201711172905A CN 108105122 A CN108105122 A CN 108105122A
- Authority
- CN
- China
- Prior art keywords
- flabellum
- dual
- turbine
- ventilation
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 49
- 241000883990 Flabellum Species 0.000 claims abstract description 122
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 241000237858 Gastropoda Species 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001172 regenerating effect Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 241001075561 Fioria Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
Classifications
-
- 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
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
Abstract
The invention discloses a kind of Dual-blade ventilation fans, belong to air regenerating device technical field.The ventilation fan air charge rate of the prior art is slow, ventilation effect is bad, poor user experience.A kind of Dual-blade ventilation fan, including ventilation flabellum and the long axis that ventilation flabellum is driven to rotate, the long axis one end connects an air inlet flabellum, and the air inlet flabellum is can be to the turbine flabellum of indoor air blowing, and the ventilation flabellum is can be to the centrifugal flabellum of outdoor discharge.The present invention sets centrifugal flabellum and turbine flabellum, gas discharges outdoor under the driving of centrifugal flabellum, turbine flabellum is rotated to indoor air blowing, accelerate the flowing of indoor gas, using turbine flabellum, the gas of turbine flabellum blowout flows around, avoid the gas face user's body of blowout, user experience is good, at the same can gas flowing effectively in accelerating chamber, so as to reach room air it is quick, efficiently, ventilation comprehensively.
Description
Technical field
The present invention relates to a kind of Dual-blade ventilation fans, belong to air regenerating device technical field.
Background technology
Current existing ventilation fan is mainly single flabellum, and indoor air is drawn onto body by the fan assembly of ventilation fan
It is interior and be discharged to outdoor.Its indoor range being applied to often with the angled sector region of ventilation fan air inlet,
The flowing of other regional airs more slowly or is not flowed static, and gas exchange action is extremely difficult to indoor overall region especially four angles
Fall, even if ventilation fan is operating, ventilation effect is poor, directly affects the comfort of people.
Chinese patent(Application number 200820178854.9)A kind of dual direction ventilating fan is disclosed, in being set on unidirectional ventilation fan
Mandrel and wire winding ring, and add frame and bracing wire.Pull bracing wire, so that it may so that ventilation fan can rotate in frame, so as to
The face of ventilation fan outwardly to be gone to inwardly, the opposite is also true.In this way, just reached with unidirectional ventilation fan, to outdoor discharge and to
The purpose of indoor air blowing.But this structure exhaust and air blowing cannot be carried out at the same time, and influence scavenging efficiency.Further, ventilation fan
Inflatable mouth be same, inflatable mouth face user with exhaust outlet, the gas face user's body of blowout, poor user experience.
The content of the invention
The defects of for the prior art, it is an object of the invention to provide a kind of scavenging efficiency is high, ventilation effect is good, user
The Dual-blade ventilation fan experienced.
To achieve the above object, the technical scheme is that:
A kind of Dual-blade ventilation fan connects including ventilation flabellum and the long axis that ventilation flabellum is driven to rotate, the long axis one end
An air inlet flabellum is connect, the air inlet flabellum is can be to the turbine flabellum of indoor air blowing, and the ventilation flabellum is can be to outdoor
The centrifugal flabellum of exhaust.
The present invention sets centrifugal flabellum and turbine flabellum, centrifugal flabellum and turbine flabellum that the design that leans forward can be used, optimize into
Outlet air to.Gas discharges outdoor under the driving of centrifugal flabellum, and turbine flabellum rotates the stream for indoor air blowing, accelerating indoor gas
Dynamic, using turbine flabellum, the gas of turbine flabellum blowout flows around, avoids the gas face user's body of blowout, user
Experience, at the same can gas flowing effectively in accelerating chamber, so as to reach room air it is quick, efficiently, ventilation comprehensively.
As optimization technique measure, the turbine flabellum includes the stent being fixedly connected with long axis, the annular for winding stent
Inner ring, the fan blades set around one border of annular inner race lateral surface, long axis drive stent and fan blades to rotate, the wind direction of fan blades generation
It is perpendicular with long axis extending direction.The annular inner race of turbine flabellum is used to separate the air-flow of centrifugal flabellum inspiration, prevents inspiration gas
Stream is disorderly.
As optimization technique measure, the fan blades inclination is fixed in annular inner race, height a, the height of annular inner race
It spends and is more than b for b, a, the lower end of fan blades protrudes from annular inner race, simple in structure, practical.
As optimization technique measure, the fan blades end set one is used to limiting the side wall of wind direction, the side wall include with
The first side wall and annular inner race that annular inner race is fixedly connected form the second sidewall of air inlet.The air draught gas of air-flow and body
Stream forms indoor circulation, accelerates indoor speed air flow.Due to centrifugal flabellum and the air intake passage of turbine flabellum
Share, still there is lap in the air inlet region of the two in the inner space of turbine flabellum, can cause air-flow sinuous flow, thus into
Wind passage generates noise.In order to solve above-mentioned phenomenon, annular inner race is designed in turbine flabellum, air-flow is entering turbine flabellum at this time
When two parts are separated by annular inner race:Outmost turns air-flow enters turbine flabellum, and middle air flow then directly passes through annular inner race
Air inlet enters centrifugal flabellum.Turbine flabellum blows out the gas sucked for 360 ° from gas outlet, fast so as to reach room air
Speed is taken a breath efficiently, comprehensively, and two flabellums air inlet region is non-interference, steady air current, so as to achieve the purpose that reduce noise.
As optimization technique measure, the long axis wears centrifugal flabellum, turbine flabellum, the centrifugal flabellum and turbine successively
First panel between flabellum is set, avoids interfering with each other during two kinds of flabellum work.
As optimization technique measure, the first opening of ventilation, the side with turbine fan blades are opened up among the first panel
Wall is adjacent, and since gas is from the first opening into centrifugal flabellum, first panel adjacent wall sets, gas is avoided disorderly to enter, is prevented
Inspiration air turbulence.
As optimization technique measure, first edge of opening set with certain taper convenient for the first of air flow
Taper face reduces gas flow resistance, accelerates gas flowing.
As optimization technique measure, cover sets a mask below first taper face, and the mask centre position is set
Several hollow holes, border edge set supporting leg, and the mask is connected with first panel by supporting leg, is kept between two panels
Certain distance forms the gas outlet of air blowing, and mask is set to avoid sucking excessive impurity, flabellum is caused to wear.Turbine flabellum
Outlet air is discharged from gas outlet, sets gas outlet, and the indoor air with inner cavity of the present invention of partition provides turbine flabellum exhaust air flue,
Indoor outlet air is avoided to enter inner cavity of the present invention, reduces wind loss, flabellum discharge quantity of fan is improved, makes outlet air more smooth, is increased
Efficiency.
As optimization technique measure, second panel is equipped between the first panel and mask, the second panel opens up
For wearing the second of turbine fan blades the opening, the turbine fan blades protrudes from second panel and is provide with wherein by mask, sets the
Two panels are convenient for fixed mask.
As optimization technique measure, described long axis the other end connects a driving source, and the driving source is electric rotating machine, institute
State the end that driving source is installed on a snail like housing, the snail like housing include accommodating the accommodating chamber of centrifugal flabellum with
And for the discharge chamber of outdoor discharge, centrifugal flabellum to rotate, and peripheral gas is flowed to discharge chamber so that the gas in accommodating chamber
Pressure drop is low, into the gas driven below mask, successively by the stent of turbine flabellum, air passage, constantly flows into accommodating chamber, holds
Receive chamber gas under the driving of centrifugal flabellum, flow direction exhaust cavity, and then discharge from discharge chamber outdoor.It is simple in structure, practical.
Compared with prior art, the invention has the advantages that:
The present invention sets centrifugal flabellum and turbine flabellum, and gas discharges outdoor under the driving of centrifugal flabellum, and turbine flabellum rotates
To indoor air blowing, accelerate the flowing of indoor gas, using turbine flabellum, the gas of turbine flabellum blowout flows around, avoids
The gas face user's body of blowout, user experience is good, at the same can gas flowing effectively in accelerating chamber, so as to reach Interior Space
Gas is quick, takes a breath efficiently, comprehensively.
Further, the air draught air-flow of air-flow and body forms indoor circulation, accelerates indoor speed air flow.
Since centrifugal flabellum and the air intake passage of turbine flabellum share, the air inlet region of the two still has in the inner space of turbine flabellum
Lap can cause air-flow sinuous flow, so as to generate noise in air intake passage.In order to solve above-mentioned phenomenon, set in turbine flabellum
Annular inner race is counted, air-flow separates two parts when into turbine flabellum by annular inner race at this time:Outmost turns air-flow enters turbine fan
Leaf, and middle air flow then directly enters centrifugal flabellum by the air inlet of annular inner race.Turbine flabellum by the gas sucked from
The blowout of 360 ° of gas outlet, so as to reach quick, efficient, the comprehensive ventilation of room air, two flabellums air inlet region is non-interference, air-flow
Stablize, so as to achieve the purpose that reduce noise.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention;
Fig. 2 is positive structure schematic of the present invention;
Fig. 3 is part-structure schematic diagram of the present invention(Do not include mask, protective shell);
Fig. 4 is fan assembly of the present invention and turbine flabellum assembling schematic diagram;
Fig. 5 is centrifugal flabellum of the present invention and turbine flabellum assembling schematic diagram;
Fig. 6 is turbine blade structure schematic diagram of the present invention;
Fig. 7 is turbine flabellum knead dough plate component exploded perspective view of the present invention;
Fig. 8 is fundamental diagram of the present invention;
Fig. 9 is close-up schematic view at A in Fig. 8.
Reference sign:
1- centrifugal flabellums, 2- long axis, 3- turbine flabellums, 4- electric rotating machines, 5- first panels, 6- second panels, 7- masks, 8- are protected
Protective case, 9- snail like housings, 31- stents, 32- fan blades, 33- annular inner races, 341- the first side walls, 342- second sidewalls, 35- into
Gas port, 51- first are open, and the first taper faces of 52-, 61- second is open, the second taper faces of 62-, 71- hollow holes, 72- supporting legs,
91- accommodating chambers, 92- discharge chambers, 67- gas outlets.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention covers any replacement done in the spirit and scope of the present invention being defined by the claims, repaiies
Change, equivalent method and scheme.Further, in order to which the public is made to have a better understanding the present invention, below to the thin of the present invention
It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art
Description can also understand the present invention completely.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
There is no intermediary elements.Term as used herein " on ", " under " and similar statement is for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein is intended merely to the purpose of description specific embodiment, no
It is intended to the limitation present invention.
As shown in figs. 1-7, a kind of Dual-blade ventilation fan, the long axis 2 including ventilation flabellum and drive ventilation flabellum rotation,
2 one end of long axis connects an air inlet flabellum, and the other end connects a driving source.The air inlet flabellum is that can be blown to interior
The turbine flabellum 3 of gas, the ventilation flabellum is can be to the centrifugal flabellum 1 of outdoor discharge.The driving source is electric rotating machine 4,
The driving source is installed on the end of a snail like housing 9, and the snail like housing 9 includes accommodating the appearance of centrifugal flabellum 1
Receive chamber 91 and for the discharge chamber 92 of outdoor discharge.Electric rotating machine 4, centrifugal flabellum and snail like housing 9 form blower fan group
Part, centrifugal flabellum 1 and turbine flabellum 3 are fixed respectively by clamp spring, positioning pin and the nut on long axis 2, can also use other axis
It fixes, and can rotate together with to fixing means.
The turbine flabellum 3 includes the stent 31 being fixedly connected with long axis 2, the annular inner race 33 for winding stent 31, around ring
The fan blades 32 that 33 lateral surface of shape inner ring, one border is set, long axis 2 drive stent 31 and fan blades 32 to rotate, the wind that fan blades 32 generates
To perpendicular with 2 extending direction of long axis.
The inclination of fan blades 32 is fixed in annular inner race 33, height a, and the height of annular inner race 33 is b, a
More than b, the lower end of fan blades 32 protrudes from annular inner race 33.32 end set one of fan blades is used to limit the side wall of wind direction,
The side wall includes the first side wall 341 being fixedly connected with annular inner race 33, the second of air inlet 35 is formed with annular inner race 33
Sidewall 34 2.
The long axis 2 wears centrifugal flabellum 1, turbine flabellum 3 successively, is set between the centrifugal flabellum 1 and turbine flabellum 3
First panel 5.
The first opening 51 of ventilation is opened up among the first panel 5, it is adjacent with the side wall of turbine flabellum 32.Described
One edge of opening sets the first taper face 52 convenient for air flow with certain taper.
Second panel 6 is equipped between the first panel 5 and mask 7, the second panel 6 opens up to wear turbine fan
Second opening 61 of leaf 32, the second edge of opening open up the second taper face, and the turbine flabellum 32 protrudes from second panel 6 and quilt
Mask 7 is provide with wherein.Cover sets a mask 7 below first taper face, and 7 centre position of mask sets several hollow holes
71, border edge sets supporting leg 72, and the mask 7 is connected with second panel 65 by supporting leg 72, is kept between two panels
Certain distance forms the gas outlet 67 of air blowing.
First panel 5, second panel 6 and mask 7 form panel assembly, and the back side of first panel 5 is equipped with corresponding snail like
First panel 5 can be fixed on fan assembly by the connection structure on housing 9, and in snail like housing 9 and turbine flabellum 3
Middle part.6 opening of second panel is equipped with back-off, and spring pressure ring can be used to be fixed on wind through corresponding opening in first panel 5
In thermomechanical components, it can equally be buckled with other snak links, at this time by first panel 5, second panel 6 and fan assembly are fixed
It completes, then mask 7 is screwed in second panel 6.
Operation principle of the present invention as shown in Figure 8,9:
When electric rotating machine 4 drives long axis 2 to rotate, and then long axis 2 drives centrifugal flabellum 1 and turbine flabellum 3 to rotate together with.Due to
First panel 5 and second panel 6 are equipped with the opening of certain taper, form connection accommodating chamber 91, the air passage of discharge chamber 92, centrifugal fan
Leaf 1 rotates, and peripheral gas is flowed to discharge chamber 92 so that the air pressure in accommodating chamber 91 reduces, into the gas for driving 7 lower section of mask
Body successively by hollow hole 71, the stent 31 of turbine flabellum 32, air passage, is constantly flowed into accommodating chamber 91, the gas of accommodating chamber 91
Body discharges outdoor under the driving of centrifugal flabellum 1, from discharge chamber 92.
The air draught air-flow H-shaped of air-flow F and body accelerates indoor speed air flow into indoor circulation.Due to
Centrifugal flabellum 1 and the air intake passage of turbine flabellum 3 share, and the air inlet region of the two still has in the inner space of turbine flabellum 3
Lap can cause air-flow sinuous flow, so as to generate noise in air intake passage.In order to solve above-mentioned phenomenon, set in turbine flabellum 3
Annular inner race 33 is counted, air-flow H separates two parts when into turbine flabellum 3 by annular inner race 33 at this time:Outmost turns air-flow enters
Turbine flabellum 3, and middle air flow then directly enters centrifugal flabellum 1 by annular inner race 33.The gas that turbine flabellum 3 will be sucked
From the blowout of 360 ° of gas outlet, so as to reach quick, efficient, the comprehensive ventilation of room air, two flabellums air inlet region is non-interference, gas
Stream is stablized, so as to achieve the purpose that reduce noise.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of Dual-blade ventilation fan, including ventilation flabellum and the long axis that ventilation flabellum is driven to rotate(2), which is characterized in that
The long axis(2)One end connects an air inlet flabellum, and the air inlet flabellum is can be to the turbine flabellum of indoor air blowing(3), institute
Ventilation flabellum is stated as can be to the centrifugal flabellum of outdoor discharge(1).
A kind of 2. Dual-blade ventilation fan as described in claim 1, which is characterized in that the turbine flabellum(3)Including with long axis
(2)The stent being fixedly connected(31), winding stent(31)Annular inner race(33), around annular inner race(33)One border of lateral surface is set
The fan blades put(32), long axis(2)Drive stent(31)And fan blades(32)It rotates, fan blades(32)The wind direction and long axis of generation(2)
Extending direction is perpendicular.
A kind of 3. Dual-blade ventilation fan as claimed in claim 2, which is characterized in that the fan blades(32)Annular is fixed in inclination
Inner ring(33)On, height a, annular inner race(33)Height for b, a is more than b, fan blades(32)Lower end protrude from
Annular inner race(33).
A kind of 4. Dual-blade ventilation fan as claimed in claim 3, which is characterized in that the fan blades(32)End set one is used for
The side wall of wind direction is limited, the side wall includes and annular inner race(33)The first side wall being fixedly connected(341)With annular inner race
(33)Form air inlet(35)Second sidewall(342).
A kind of 5. Dual-blade ventilation fan as claimed in claim 4, which is characterized in that the long axis(2)Centrifugal fan is worn successively
Leaf(1), turbine flabellum(3), the centrifugal flabellum(1)With turbine flabellum(3)Between first panel is set(5).
A kind of 6. Dual-blade ventilation fan as claimed in claim 5, which is characterized in that the first panel(5)Centre opens up logical
First opening of gas(51), with turbine flabellum(32)Side wall it is adjacent.
7. a kind of Dual-blade ventilation fan as claimed in claim 6, which is characterized in that first edge of opening, which is set, has one
Determine the first taper face convenient for air flow of taper(52).
8. a kind of Dual-blade ventilation fan as claimed in claim 7, which is characterized in that cover sets one below first taper face
Mask(7), the mask(7)Centre position sets several hollow holes(71), border edge sets supporting leg(72), the mask
(7)Pass through supporting leg(72)With first panel(5)It is connected, certain distance is kept between two panels, forms the gas outlet of air blowing
(67).
A kind of 9. Dual-blade ventilation fan as claimed in claim 8, which is characterized in that the first panel(5)With mask(7)It
Between be equipped with second panel(6), the second panel(6)It opens up to wear turbine flabellum(32)Second opening(61), it is described
Turbine flabellum(32)Protrude from second panel(6)And by mask(7)It is provide with wherein.
A kind of 10. Dual-blade ventilation fan as described in claim 1-9 is any, which is characterized in that the long axis(2)The other end
A driving source is connected, the driving source is electric rotating machine(4), the driving source is installed on a snail like housing(9)End, institute
State snail like housing(9)Including being used to accommodate centrifugal flabellum(1)Accommodating chamber(91)And for the discharge chamber of outdoor discharge
(92).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711172905.7A CN108105122B (en) | 2017-11-22 | 2017-11-22 | Double-blade ventilator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711172905.7A CN108105122B (en) | 2017-11-22 | 2017-11-22 | Double-blade ventilator |
Publications (2)
Publication Number | Publication Date |
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CN108105122A true CN108105122A (en) | 2018-06-01 |
CN108105122B CN108105122B (en) | 2024-03-29 |
Family
ID=62206597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711172905.7A Active CN108105122B (en) | 2017-11-22 | 2017-11-22 | Double-blade ventilator |
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CN (1) | CN108105122B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117146352A (en) * | 2023-09-26 | 2023-12-01 | 北京欣智恒科技股份有限公司 | Energy-saving ventilation equipment for high-rise building |
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JPH11230567A (en) * | 1997-12-12 | 1999-08-27 | Daikin Ind Ltd | Air-conditioner |
CN2481882Y (en) * | 2001-03-23 | 2002-03-13 | 方灿榆 | Pipeline type multipurpose two-way scavenger fan |
CN1525110A (en) * | 2003-09-15 | 2004-09-01 | 海尔集团公司 | Forced ventilation air conditioner using single electric machine and bilobed wheel blower fan |
CN102003747A (en) * | 2009-08-28 | 2011-04-06 | 乐金电子(天津)电器有限公司 | Movable type air conditioner |
CN104676765A (en) * | 2014-11-14 | 2015-06-03 | 胡光南 | Indoor air purifier with indoor and outdoor air exchange function |
CN207420929U (en) * | 2017-11-22 | 2018-05-29 | 奥普家居股份有限公司 | A kind of Dual-blade ventilation fan |
-
2017
- 2017-11-22 CN CN201711172905.7A patent/CN108105122B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11230567A (en) * | 1997-12-12 | 1999-08-27 | Daikin Ind Ltd | Air-conditioner |
CN2481882Y (en) * | 2001-03-23 | 2002-03-13 | 方灿榆 | Pipeline type multipurpose two-way scavenger fan |
CN1525110A (en) * | 2003-09-15 | 2004-09-01 | 海尔集团公司 | Forced ventilation air conditioner using single electric machine and bilobed wheel blower fan |
CN102003747A (en) * | 2009-08-28 | 2011-04-06 | 乐金电子(天津)电器有限公司 | Movable type air conditioner |
CN104676765A (en) * | 2014-11-14 | 2015-06-03 | 胡光南 | Indoor air purifier with indoor and outdoor air exchange function |
CN207420929U (en) * | 2017-11-22 | 2018-05-29 | 奥普家居股份有限公司 | A kind of Dual-blade ventilation fan |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117146352A (en) * | 2023-09-26 | 2023-12-01 | 北京欣智恒科技股份有限公司 | Energy-saving ventilation equipment for high-rise building |
CN117146352B (en) * | 2023-09-26 | 2024-03-26 | 北京欣智恒科技股份有限公司 | Energy-saving ventilation equipment for high-rise building |
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CN108105122B (en) | 2024-03-29 |
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