CN109944817A - The centrifugal blower group and air conditioner of multidirectional blast can be achieved - Google Patents
The centrifugal blower group and air conditioner of multidirectional blast can be achieved Download PDFInfo
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- CN109944817A CN109944817A CN201910250902.3A CN201910250902A CN109944817A CN 109944817 A CN109944817 A CN 109944817A CN 201910250902 A CN201910250902 A CN 201910250902A CN 109944817 A CN109944817 A CN 109944817A
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- impeller
- centrifugal blower
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- 238000009434 installation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
This application provides a kind of centrifugal blower group of achievable multidirectional blast and air conditioners.The centrifugal blower group includes at least two centrifugal blowers, the first centrifugal blower and the second centrifugal blower.First spiral case is connected with the second spiral case, and the air inlet direction of the first air inlet and the air inlet direction of the second air inlet are angularly arranged between the air-out direction of the first air outlet and the air-out direction of the second air outlet backwards to being arranged.Driving device is connect with the first impeller and the second impeller-driven respectively, and driving device drives the first impeller to rotate along the first circumferencial direction, and driving device drives the second impeller to rotate along the second circumferencial direction.Multidirectional blast is realized under conditions of not increasing blower number or installation part flow arrangement using technical solution of the present invention, solves the previous nonadjustable technical problem of air supply direction in the prior art.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, in particular to a kind of centrifugal blower of achievable multidirectional blast
Group and air conditioner.
Background technique
In practical application and product development process, when the centrifugal blower of traditional unidirectional outlet needs for air-flow to be transported to not
When equidirectional, two Fans are at least needed, or connect part flow arrangement in fan outlet.Use cost is not only increased in this way, and
And it may require that bigger equipment installation space.
For example, the interior machine of constant temperature and humidity, blower air-out mode is upper outlet air, and blower is close to certain side of shell.Now need
Air-out mode is changed to by side air-out using blast cap component, since set structure is compact, problem not big there is only noise in this way,
And air-supply uniformity not can guarantee.If installing part flow arrangement or a newly-increased Fans, spatial position being insufficient.
Summary of the invention
The embodiment of the invention provides a kind of centrifugal blower group of achievable multidirectional blast and air conditioners, to solve existing skill
The single technical problem of air supply direction existing for centrifugal blower in art.
The application embodiment provides a kind of centrifugal blower group, including at least two centrifugal blowers, the first centrifugal blower
With the second centrifugal blower；First centrifugal blower includes the first spiral case and the first impeller for being arranged in the first spiral case, the first spiral case
On be formed with the first air inlet corresponding with the first impeller and the first air outlet；Second centrifugal blower includes the second spiral case and sets
The second impeller in the second spiral case is set, the second air inlet corresponding with the second impeller and second is formed on the second spiral case and is gone out
Air port；First spiral case is connected with the second spiral case, the first air inlet air inlet direction and the second air inlet air inlet direction backwards
Setting, is angularly arranged between the air-out direction of the first air outlet and the air-out direction of the second air outlet；Driving device, respectively
It is connect with the first impeller and the second impeller-driven, driving device drives the first impeller to rotate along the first circumferencial direction, driving device
The second impeller is driven to rotate along the second circumferencial direction.
In one embodiment, the center of rotation of the first impeller and the center of rotation of the second impeller coincide.
In one embodiment, the axial line of the first spiral case and the axial line of the second spiral case coincide.
In one embodiment, the blade reverse phase of the blade of the first impeller and the second impeller is arranged.
In one embodiment, the fixture between the air-out direction of the first air outlet and the air-out direction of the second air outlet
For θ, θ=0~360 °.
In one embodiment, it is connected between the first spiral case and the second spiral case by middle casing.
In one embodiment, driving device includes the first drive shaft and the second drive shaft, the first drive shaft and first
For driving the first impeller to rotate along the first circumferencial direction, the second drive shaft connect use with the second impeller-driven for impeller-driven connection
It is rotated in driving the second impeller circle to take turns along the second circumferencial direction.
In one embodiment, driving device further include: first bevel gear is connected with the first drive shaft；Second cone
Gear is connected with the second drive shaft；Third hand tap gear connects between first bevel gear and second bevel gear.
In one embodiment, third hand tap gear can be rotatably set by third drive shaft.
In one embodiment, driving device further includes motor, motor and the first drive shaft, the second drive shaft or third
A drive connection in drive shaft.
In one embodiment, third hand tap gear is installed in rotation in third drive shaft by bearing.
Present invention also provides a kind of air conditioner, including centrifugal blower group, centrifugal blower group is above-mentioned centrifugal blower group.
In the above-described embodiments, the first impeller and the second impeller turn on the contrary, can be driven simultaneously by a driving device
First wheel rotation of dynamic first centrifugal blower and the second wheel rotation for driving the second centrifugal blower, and due to first
Angularly it is arranged between the air-out direction of air outlet and the air-out direction of the second air outlet, multidirectional blast may be implemented.Using
Technical solution of the present invention, do not increase blower number or installation part flow arrangement under conditions of, realize multidirectional blast, solve with
Toward the nonadjustable technical problem of air supply direction in the prior art.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic perspective view of the embodiment of the centrifugal blower group of achievable multidirectional blast according to the present invention；
Fig. 2 is the left view structural representation of the centrifugal blower group of Fig. 1；
Fig. 3 is the positive structure diagram of the centrifugal blower group of Fig. 1；
Fig. 4 is the structural schematic diagram of the impeller of the centrifugal blower group of Fig. 1；
Fig. 5 is the left view structural representation of the impeller of the centrifugal blower group of Fig. 4；
Fig. 6 is the structural schematic diagram of the driving device of the centrifugal blower group of Fig. 1.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right below with reference to embodiment and attached drawing
The present invention is described in further details.Here, exemplary embodiment and its explanation of the invention is used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
Fig. 1, Fig. 2 and Fig. 3 show the embodiment of the centrifugal blower group of achievable multidirectional blast of the invention, the centrifugation wind
Unit includes at least two centrifugal blowers, the first centrifugal blower 10 and the second centrifugal blower 20.First centrifugal blower 10 includes the
One spiral case 11 and the first impeller 12 for being arranged in the first spiral case 11, is formed on the first spiral case 11 corresponding with the first impeller 12
The first air inlet 111 and the first air outlet 112.Second centrifugal blower 20 includes the second spiral case 21 and is arranged in the second spiral case 21
The second interior impeller 22 is formed with second air inlet 211 corresponding with the second impeller 22 and the second outlet air on second spiral case 21
Mouth 212.First spiral case 11 is connected with the second spiral case 21, the first air inlet 111 air inlet direction and the second air inlet 211 into
Wind direction is angularly set between the air-out direction of the first air outlet 112 and the air-out direction of the second air outlet 212 backwards to being arranged
It sets.Driving device 40 is drivingly connected with the first impeller 12 and the second impeller 22 respectively, and driving device 40 drives 12 edge of the first impeller
The rotation of first circumferencial direction, driving device 40 drive the second impeller 22 to rotate along the second circumferencial direction.
It applies the technical scheme of the present invention, the first impeller 12 and the second impeller 22 turn on the contrary, passing through a driving device
40 can drive the first impeller 12 of the first centrifugal blower 10 to rotate and drive the second impeller of the second centrifugal blower 20 simultaneously
22 rotations, and due to angularly being set between the air-out direction of the first air outlet 112 and the air-out direction of the second air outlet 212
It sets, multidirectional blast may be implemented.Using technical solution of the present invention, is not increasing blower number or the item of part flow arrangement is installed
Under part, multidirectional blast is realized, solve the previous nonadjustable technical problem of air supply direction in the prior art.
As shown in Figure 3 and Figure 4, in the technical scheme of this embodiment, the center of rotation and the second impeller of the first impeller 12
22 center of rotation coincides, and is equivalent to the parallel connection for realizing the first impeller 12 and the second impeller 22.More preferably, the first spiral case
The axial line of 11 axial line and the second spiral case 21 coincides.As other optional embodiments, the axis of the first spiral case 11
It is also feasible that the axial line of heart line and the second spiral case 21, which is angularly arranged,.
As shown in figure 5, in the technical scheme of this embodiment, the blade of the first impeller 12 and the blade of the second impeller 22 are anti-
Mutually it is arranged.As shown in figure 4, the width of the first impeller 12 is b1, the width of the second impeller 22 is b2.It is assumed that blower total flow is
10 flow of the first centrifugal blower of Qt, the first impeller 12 and the first spiral case 11 composition is Q1, the second impeller 22 and the second spiral case 21
20 flow of the second centrifugal blower of composition is Q2, by the conservation of mass, it is assumed that gas is incompressible: Qt=Q1+Q2.Compressor flow with
Impeller width b has direct relation, thus it is possible to vary the numerical value of b1/b2 adjusts compressor flow.By taking fan blade diameter is equal as an example, it is assumed that
Reversing arrangement speed transmitting than for 1:1, return air it is identical with outlet air condition, as b1=b2, Q1=Q2；As b1 > b2, Q1
Greater than Q2；As b1 < b2, Q1 < Q2.
As shown in Fig. 2, in the technical scheme of this embodiment, the air-out direction and the second air outlet of the first air outlet 112
Fixture between 212 air-out direction is θ, and it is adjustable that air supply direction may be implemented by adjusting the angle value of θ in θ=0~360 °.
Fan blade width ratio and volute structure the differentiation design of two centrifugal blowers in parallel, realize that air flow rate is adjustable.
Any direction air-supply may be implemented by controlling angle, θ.For example, 2 spiral case air supply directions are identical when θ=0 °；θ
At=180 °, the air supply direction of 2 spiral cases is opposite.
As shown in figure 3, in the technical scheme of this embodiment, passing through middle case between the first spiral case 11 and the second spiral case 21
Body 30 is connected.In the technical scheme of this embodiment, it can be attached by middle casing 30, as other optional real
Mode is applied, middle casing 30 can also be cancelled.
As shown in fig. 6, as an alternative embodiment, in the technical scheme of this embodiment, driving device 40 is wrapped
The first drive shaft 41 and the second drive shaft 42 are included, the first drive shaft 41 and the first impeller 12 are drivingly connected for driving the first impeller
12 rotate along the first circumferencial direction, and the second drive shaft 42 and the second impeller 22 are drivingly connected for driving the second impeller 22 circle wheel edge
The rotation of second circumferencial direction.More preferably, driving device 40 further includes first bevel gear 43, second bevel gear 44 and third cone
Gear 45.First bevel gear 43 is connected with the first drive shaft 41, and second bevel gear 44 is connected with the second drive shaft 42, third
Bevel gear 45 connects between first bevel gear 43 and second bevel gear 44.Pass through the first drive shaft 41 of driving or the second drive shaft 42
Rotation, so that it may realize the opposite direction rotation of the second drive shaft 42 or the first drive shaft 41.In addition, passing through driving third hand tap gear
45 rotations are also feasible to drive first bevel gear 43 and second bevel gear 44 to rotate.
More preferably, third hand tap gear 45 can be rotatably set by third drive shaft 46.Optionally, third drive shaft
46 are mounted on middle casing 30.In this embodiment, it is rotated by driving third drive shaft 46, also may be implemented that third is allowed to bore
Gear 45 drives first bevel gear 43 and second bevel gear 44 to rotate backward simultaneously.Optionally, in the technical solution of the present embodiment
In, driving device 40 further includes motor, and one in motor and the first drive shaft 41, the second drive shaft 42 or third drive shaft 46
It is drivingly connected.In the technical scheme of this embodiment, pass through a motor, so that it may realize the first impeller 12 and the second impeller 22
Rotate backward.
More preferably, third hand tap gear 45 is installed in rotation in third drive shaft 46 by bearing 47, to improve
The fluency that third hand tap gear 45 rotates.Optionally, it is also feasible for cancelling bearing 47.
The present invention also provides a kind of air conditioner, which includes above-mentioned centrifugal blower group using above-mentioned centrifugation wind
Unit, under conditions of can not increasing blower number or installation part flow arrangement newly, solving centrifugal blower cannot achieve multidirectional blast
The problem of.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of centrifugal blower group, which is characterized in that including at least two centrifugal blowers, the first centrifugal blower (10) and second from
Heart blower (20)；
First centrifugal blower (10) includes the first impeller of the first spiral case (11) and setting in first spiral case (11)
(12), the first air inlet (111) corresponding with the first impeller (12) and first are formed on first spiral case (11)
Air outlet (112)；
Second centrifugal blower (20) includes the second impeller of the second spiral case (21) and setting in second spiral case (21)
(22), the second air inlet (211) corresponding with the second impeller (22) and second are formed on second spiral case (21)
Air outlet (212)；
First spiral case (11) is connected with second spiral case (21), the air inlet direction of first air inlet (111) and
The air inlet direction of second air inlet (211) is backwards to setting, the air-out direction and described second of first air outlet (112)
Angularly it is arranged between the air-out direction of air outlet (212)；
Driving device (40) is drivingly connected with first impeller (12) and second impeller (22) respectively, the driving dress
Setting (40) drives first impeller (12) to rotate along the first circumferencial direction, and the driving device (40) drives second impeller
(22) it is rotated along the second circumferencial direction.
2. centrifugal blower group according to claim 1, which is characterized in that the center of rotation of first impeller (12) and institute
The center of rotation for stating the second impeller (22) coincides.
3. centrifugal blower group according to claim 1, which is characterized in that the axial line of first spiral case (11) with it is described
The axial line of second spiral case (21) coincides.
4. centrifugal blower group according to claim 1, which is characterized in that the blade of first impeller (12) and described the
The blade reverse phase of two impellers (22) is arranged.
5. centrifugal blower group according to claim 1, which is characterized in that the air-out direction of first air outlet (112)
Angle with the projection of the air-out direction of second air outlet (212) in the horizontal direction is θ, θ=0~360 °.
6. centrifugal blower group according to claim 1, which is characterized in that first spiral case (11) and second spiral case
(21) it is connected between by middle casing (30).
7. centrifugal blower group according to claim 1, which is characterized in that the driving device (40) includes the first drive shaft
(41) and the second drive shaft (42), first drive shaft (41) and first impeller (12) drive connection are described for driving
First impeller (12) is rotated along the first circumferencial direction, and second drive shaft (42) and second impeller (22) are drivingly connected and use
It is rotated in driving the second impeller (22) circle to take turns along the second circumferencial direction.
8. centrifugal blower group according to claim 7, which is characterized in that the driving device (40) further include:
First bevel gear (43) is connected with first drive shaft (41)；
Second bevel gear (44) is connected with second drive shaft (42)；
Third hand tap gear (45) connects between the first bevel gear (43) and the second bevel gear (44).
9. centrifugal blower group according to claim 8, which is characterized in that the third hand tap gear (45) is driven by third
Axis (46) can be rotatably set.
10. centrifugal blower group according to claim 9, which is characterized in that the driving device (40) further includes motor, institute
State a driving in motor and first drive shaft (41), second drive shaft (42) or the third drive shaft (46)
Connection.
11. centrifugal blower group according to claim 9, which is characterized in that the third hand tap gear (45) passes through bearing
(47) it is installed in rotation on the third drive shaft (46).
12. a kind of air conditioner, including centrifugal blower group, which is characterized in that the centrifugal blower group is to appoint in claim 1 to 11
Centrifugal blower group described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910250902.3A CN109944817A (en) | 2019-03-29 | 2019-03-29 | The centrifugal blower group and air conditioner of multidirectional blast can be achieved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910250902.3A CN109944817A (en) | 2019-03-29 | 2019-03-29 | The centrifugal blower group and air conditioner of multidirectional blast can be achieved |
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| CN109944817A true CN109944817A (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910250902.3A Pending CN109944817A (en) | 2019-03-29 | 2019-03-29 | The centrifugal blower group and air conditioner of multidirectional blast can be achieved |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145454A (en) * | 2020-09-27 | 2020-12-29 | 北京航天奥祥通风科技股份有限公司 | Centrifugal fan |
| CN114458626A (en) * | 2022-03-17 | 2022-05-10 | 奥普家居股份有限公司 | Fan subassembly, blast apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104929960A (en) * | 2015-05-18 | 2015-09-23 | 德州贝诺风力机械设备有限公司 | Single-driving double-oar counter-rotating fan |
| CN209724736U (en) * | 2019-03-29 | 2019-12-03 | 珠海格力电器股份有限公司 | The centrifugal blower group and air conditioner of multidirectional blast can be achieved |
-
2019
- 2019-03-29 CN CN201910250902.3A patent/CN109944817A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104929960A (en) * | 2015-05-18 | 2015-09-23 | 德州贝诺风力机械设备有限公司 | Single-driving double-oar counter-rotating fan |
| CN209724736U (en) * | 2019-03-29 | 2019-12-03 | 珠海格力电器股份有限公司 | The centrifugal blower group and air conditioner of multidirectional blast can be achieved |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145454A (en) * | 2020-09-27 | 2020-12-29 | 北京航天奥祥通风科技股份有限公司 | Centrifugal fan |
| CN114458626A (en) * | 2022-03-17 | 2022-05-10 | 奥普家居股份有限公司 | Fan subassembly, blast apparatus |
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