CN207673575U - A kind of centrifugal blower and air cleaning facility - Google Patents
A kind of centrifugal blower and air cleaning facility Download PDFInfo
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- CN207673575U CN207673575U CN201721682583.6U CN201721682583U CN207673575U CN 207673575 U CN207673575 U CN 207673575U CN 201721682583 U CN201721682583 U CN 201721682583U CN 207673575 U CN207673575 U CN 207673575U
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- bearing
- impeller sets
- air inlet
- centrifugal blower
- shaft
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Abstract
The utility model discloses a kind of centrifugal blower and air cleaning facility, centrifugal blower includes motor, spiral case, the first impeller sets, the second impeller sets and bearing block；Motor includes motor body, first bearing, second bearing and the second shaft；First rotating shaft and the second shaft are extended to obtain by motor shaft, are separately positioned on the both sides of motor body；One end of first rotating shaft is rotatablely connected with first bearing, and the other end of first rotating shaft is fixedly connected with the first impeller sets；One end of second shaft is rotatablely connected with second bearing, and the other end of the second shaft passes through the second impeller sets to be rotatablely connected with bearing block, and the second impeller sets are fixed in the second shaft；Spiral case includes chamber, the first air inlet and the second air inlet；Motor body and the first impeller sets are arranged at chamber interior, and the second impeller sets and bearing block are arranged at exterior thereto.The technical solution of the utility model, can make centrifugal blower in inexpensive, smaller space under the premise of realize low noise, high static pressure output.
Description
Technical field
The utility model is related to air-conditioning technique fields, and in particular to a kind of centrifugal blower and air cleaning facility.
Background technology
In recent years, the market demand of the pollution problem getting worse of PM2.5, various air cleaners and fresh air exchange system
It is growing.But for small-sized household air cleaner, fresh air exchange system, how to select the small size of a low noise
Centrifugal blower is a cumbersome thing.The efficiency of filtering material is higher, then its resistance is higher, corresponding requirements motor
The static pressure of offer is higher.
Existing centrifugal blower is usually formation two-stage electricity after one-stage centrifugal wind turbine or two one-stage centrifugal fans in series
Machine.For one-stage centrifugal wind turbine, if it is desired to static pressure is improved, impeller sets diameter can be increased, changes the angle of impeller sets,
But it can be influenced by actual installation position；Alternatively, in the case where not changing impeller sets diameter and angle, electricity can be improved
Machine rotating speed, but noise is larger at this time.For forming two-stage electric motor after two one-stage centrifugal fans in series, cost is higher,
The space bigger needed.
Therefore, how lower cost, smaller space to be utilized to improve the static pressure of centrifugal blower, is current urgently to be resolved hurrily
The technical issues of.
Utility model content
The purpose of this utility model is to provide a kind of centrifugal blower and air cleaning facility, with realize using it is lower at
This, the static pressure of centrifugal blower is improved in smaller space.
To achieve the above object, the utility model provides a kind of centrifugal blower, including motor, spiral case, the first impeller sets, the
Two impeller sets and bearing block；
The motor includes motor body, first bearing, first rotating shaft, second bearing and the second shaft；
The first bearing and the second bearing are separately positioned on the both sides of the motor body；
One end of the first rotating shaft and the first bearing are rotatablely connected, the other end of the first rotating shaft and described the
One impeller sets are fixedly connected；
One end of second shaft is rotatablely connected with the second bearing, and the other end of second shaft is across described
Second impeller sets are rotatablely connected with the bearing block, and second impeller sets are fixed on second Independent Observer Program；
The spiral case includes chamber, the first air inlet and the second air inlet, the chamber, the first air inlet and the second air inlet
Mouth forms return airway；
The motor body and first impeller sets are arranged at the chamber interior, second impeller sets and described
Bearing block is arranged at the exterior thereto.
Further, in centrifugal blower described above, first air inlet is provided with the first deflector.
Further, in centrifugal blower described above, second air inlet is provided with the second deflector.
Further, centrifugal blower described above further includes electric machine support；
The motor body is fixed on by the electric machine support in the chamber.
Further, centrifugal blower described above further includes bearing bracket；
The bearing bracket is fixed on the spiral case, and is located at the exterior thereto；
The bearing block is fixed on the bearing bracket.
Further, in centrifugal blower described above, the length of the first rotating shaft is less than the length of second shaft
Degree.
Further, in centrifugal blower described above, the distance of second impeller sets to the bearing block is less than institute
State the second impeller sets to the second bearing distance.
Further, centrifugal blower described above further includes silencer mechanism；
The silencer mechanism is arranged on the spiral case, and positioned at portion in or beyond the chamber.
The utility model also provides a kind of air cleaning facility, including equipment body, the first filter mechanism, the second filter
Structure and centrifugal blower as described above；
The equipment body setting third air inlet and outlet and supporting mechanism；
First filter mechanism is arranged in the third air inlet, and inside the equipment body；
Second filter mechanism is arranged at the air outlet, and inside the equipment body；
The centrifugal blower is arranged between first filter mechanism and second filter mechanism, and is fixed on described
On equipment body, and the first air inlet of the third air inlet and the centrifugal blower is oppositely arranged, the air outlet and institute
The second air inlet for stating centrifugal blower is oppositely arranged.
The centrifugal blower and air cleaning facility of air cleaning facility the utility model, by the both sides of motor body point
Not She Zhi first rotating shaft and the second shaft, and by the first impeller sets fix first rotating shaft on, the second impeller sets are fixed on second
In shaft, the second shaft and bearing base are rotatablely connected, form three bearing arrangements, single motor is realized and drives two impellers
Group, in the case where not increasing impeller sets diameter or not changing impeller sets angle, without increasing the rotating speed of motor, you can obtain
Higher static pressure.Using the technical solution of the utility model, can make centrifugal blower in inexpensive, smaller space under the premise of
Realize low noise, high static pressure output.
Description of the drawings
Fig. 1 is the structural schematic diagram of the centrifugal blower embodiment one of the utility model；
Fig. 2 is the structural schematic diagram of the centrifugal blower embodiment two of the utility model；
Fig. 3 is the structural schematic diagram of the centrifugal blower embodiment three of the utility model；
Fig. 4 is the structural schematic diagram of the air cleaning facility embodiment of the utility model.
Specific implementation mode
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
Only it is the utility model a part of the embodiment, instead of all the embodiments.The embodiment of base in this present embodiment, this field are general
The every other embodiment that logical technical staff is obtained without making creative work belongs to the utility model guarantor
The range of shield.
The (if present)s such as term " first ", " second " in specification and claims and above-mentioned attached drawing are to be used for area
Not similar part, without being used to describe specific sequence or precedence.It should be appreciated that the data used in this way are appropriate
In the case of can be interchanged, so that embodiments herein described herein can be real with the sequence other than illustrating herein
It applies.
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
Fig. 1 be the utility model centrifugal blower embodiment one structural schematic diagram, as shown in Figure 1, the present embodiment from
Heart wind turbine may include motor 10, spiral case 11, the first impeller sets 12, the second impeller sets 13 and bearing block 14.
In the present embodiment, motor 10 may include motor body 101, first bearing 102, first rotating shaft 103, second bearing
104 and second shaft 105；Wherein, first bearing 102 and second bearing 104 are separately positioned on the both sides of motor body 101；The
One end of one shaft 103 is rotatablely connected with first bearing 102, and the other end of first rotating shaft 103 and the first impeller sets 12 are fixed and connected
It connects, one end and the second bearing 104 of the second shaft 105 are rotatablely connected, and the other end of the second shaft 105 passes through the second impeller sets 13
It is rotatablely connected with bearing block 14, and the second impeller sets 13 are fixed in the second shaft 105, wherein first rotating shaft 103 and second turn
Axis 104 can be extended to obtain by machine shaft.
For example, in the present embodiment, the length of first rotating shaft 103 is less than the length of the second shaft 105, when the second shaft 105
After the second impeller sets 13, the second impeller sets 13 farther out, when then the second shaft 105 rotates, are easy apart from second bearing 104
So that second bearing 104 is damaged, therefore when fixing the second impeller sets 13, the second impeller sets 13 can be made to arrive the distance of bearing block 14
Less than the distance that the second impeller sets 13 arrive second bearing 104, to reduce the vibrations of centrifugal blower.
During specific implementation at one, the model of the first impeller sets 12 and the second impeller sets 13 can be identical, can also
Difference can be that lean forward can also be hypsokinesis impeller, and the present embodiment is not particularly limited.First impeller sets 12 can pass through bolt
The modes such as component, buckle are fixed on the other end of first rotating shaft 103, and similarly, the second impeller sets 13 can pass through bolt assembly, card
The modes such as button are fixed on the other end of the second shaft 105.After the second shaft 105 is inserted into the bearing of bearing block 14, with bearing block
14 bearing rotation connection, can form a three stable bearing arrangements, and control the first impeller sets 12 and the second leaf in this way
The swing vibration that wheel group 13 may occur at runtime, air-flow pair the first impeller sets 12 and the second impeller sets 13 generate in operation
Lift, first rotating shaft 103 and the second shaft 105 in the radial direction, the bearing of bearing block 14 can be reduced to first bearing 102
With the influence of second bearing 104, the failure rate of first bearing 102 and second bearing 104 is reduced, extends first bearing 102 and the
The service life of two bearings 104.
As shown in Figure 1, in the present embodiment, spiral case 11 may include chamber 111, the first air inlet 112 and the second air inlet
113, wherein chamber 111, the first air inlet 112 and the second air inlet 113 can form return airway.The present embodiment can incite somebody to action
Motor body 101 and the first impeller sets 12 are arranged inside chamber 111, and the second impeller sets 13 and bearing block 14 are arranged at
Outside chamber 111.In the present embodiment, spiral case 11 can be that shapes, the present embodiment such as round, rectangular are not particularly limited, straight
Diameter is generally at least 1.5 times of the diameter of each impeller sets or more.
During specific implementation at one, when motor 10 is run, air-flow enters the first impeller sets from the first air inlet 112
12, it after air-flow is accelerated by the first impeller sets 12, gets rid of into return airway, and radiating treatment is carried out to motor body 101, then by the
Two air inlets 113 enter in the second impeller sets 13, and after the acceleration of the second impeller sets 13, air-flow is thrown away, single to realize
Motor 10 drives two impeller sets, in the case where not increasing impeller sets diameter or not changing impeller sets angle, without increasing
The rotating speed of motor 10, you can obtain higher static pressure.
The centrifugal blower of the present embodiment saves a motor 10 since use single motor 10 drives two impeller sets,
The occupied space of the centrifugal blower is relatively small, and by actual verification it was determined that impeller sets diameter, impeller sets angle,
In the case of the rotating speed and air quantity all same of motor 10, the static pressure of the centrifugal blower can reach the static pressure of one-stage centrifugal wind turbine
Nearly 2 times.
The centrifugal blower of the present embodiment, by the way that first rotating shaft 103 and second turn is respectively set in the both sides of motor body 101
Axis 105, and the first impeller sets 12 are fixed in first rotating shaft 103, the second impeller sets 13 are fixed in the second shaft 105, it will
Second shaft 105 is rotatablely connected with bearing base, forms three bearing arrangements, is realized single motor 10 and is driven two impeller sets,
In the case where not increasing impeller sets diameter or not changing impeller sets angle, without increasing the rotating speed of motor 10, you can obtain
Higher static pressure.Using the technical solution of the utility model, can make centrifugal blower in inexpensive, smaller space under the premise of
Realize low noise, high static pressure output.
Embodiment 2
Fig. 2 be the utility model centrifugal blower embodiment two structural schematic diagram, as shown in Fig. 2, the present embodiment from
Can also include further the first deflector 15 and the second deflector 16 on the basis of heart wind turbine embodiment shown in Fig. 1.
Wherein, the first deflector 15 is arranged at the first air inlet 112, and the second deflector 16 is arranged at the second air inlet 113.
For example, in the present embodiment, kuppe realization may be used in the first deflector 15 and the second deflector 16.
After the first air inlet 112 and the second air inlet 113 being covered using kuppe, can form the return airway of sealing so that
Centrifugal fan structure is compacter, and then reduces the occupied space of centrifugal blower.
Embodiment 3
Fig. 3 be the utility model centrifugal blower embodiment three structural schematic diagram, as shown in Fig. 2, the present embodiment from
Can also include further electric machine support 17 and bearing bracket 18 on the basis of heart wind turbine embodiment shown in Fig. 2.
As shown in figure 3, motor body 101 is fixed on by electric machine support 17 in the chamber 111 of spiral case 11, for example, can be with
Motor body 101 is fixed on electric machine support 17 in the way of riveting, bolt assembly, welding etc., electric machine support 17 is fixed
In the chamber 111 of spiral case 11.
In the present embodiment, bearing bracket 18 can be fixed on spiral case 11, and outside the chamber 111 of spiral case 11
Bearing block 14 is fixed on bearing bracket 18 by portion.It similarly, can be in the way of riveting, bolt assembly, welding etc. by bearing
Seat support 18 is fixed on spiral case 11, and bearing block 14 is fixed on bearing bracket 18.
During specific implementation at one, in order to further decrease the noise of centrifugal blower, as shown in figure 3, the present embodiment
Centrifugal blower can also include silencer mechanism, and silencer mechanism is arranged on spiral case 11, and in 11 chamber 111 of spiral case
Portion or outside.
Embodiment 4
Fig. 4 is the structural schematic diagram of the air cleaning facility embodiment of the utility model, as shown in figure 4, the present embodiment
Air cleaning facility may include equipment body 2, the first filter mechanism 3, the second filter mechanism 3 and such as centrifugation any Fig. 1-3
Wind turbine 1.Wherein, third air inlet 21, air outlet 22 and supporting mechanism 23 is arranged in equipment body 2；The setting of first filter mechanism 3 exists
At third air inlet 21, and inside equipment body 2；Second filter mechanism 4 is arranged at air outlet 22, and is located at equipment master
Inside body 2；Centrifugal blower 1 is arranged between the first filter mechanism 3 and the second filter mechanism 4, and is fixed on equipment body 2,
And third air inlet 21 and the first air inlet 112 of centrifugal blower 1 are oppositely arranged, air outlet 22 and centrifugal blower 1 second into
Air port 113 is oppositely arranged.
As shown in figure 4, the present embodiment by taking air cleaning facility includes centrifugal blower shown in Fig. 3 as an example to the utility model
Timely scheme illustrate.In the present embodiment, the first filter mechanism 3 may include but be not limited to just imitate nylon or metal material
Matter filter screen, middle effect fold at least one of strainer, glass material HEPA strainers and active carbon particle strainer, and each filter screen can
Can also be to integrate, the present embodiment is not particularly limited to be separated.Centrifugal blower 1 can be solid by bolt
It is scheduled on equipment body 2, for example, 3-5mm damping sealing pads can be padded between centrifugal blower 1 and equipment body 2, and using foaming
Material plays the role of seal shock-proof.Activated carbon or chemical filter may be used in second filter mechanism 3, table can also be used cold
Device, the present embodiment are not particularly limited, and the second filter mechanism 4 is connected with outdoor unit, are played organic and acidic and alkaline gas and are dispelled
It removes or the effect of Temperature and Humidity Control.
During specific implementation at one, after air enters third air inlet, by the first filter mechanism 3, by first into
Air port 112 enters the first impeller sets 12 and is got rid of into return airway, and to motor body 101 after air-flow is accelerated by the first impeller sets 12
Radiating treatment is carried out, is then entered in the second impeller sets 13 by the second air inlet 113, after the acceleration of the second impeller sets 13, by gas
Stream is thrown away, and into the second filter mechanism 4, and is discharged so that it can in wind turbine compared with realizing higher static pressure under the slow-speed of revolution, and then make
Clarifier is possibly realized using glassfibre filter or polytetrafluoroethylene (PTFE) (PTFE) material filter, and enough static pressure can improve the
The service life of one filter mechanism and the second filter mechanism, the whole resistance of general such high efficiency filter mechanism 300-600PA it
Between.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (9)
1. a kind of centrifugal blower, which is characterized in that including motor, spiral case, the first impeller sets, the second impeller sets and bearing block；
The motor includes motor body, first bearing, first rotating shaft, second bearing and the second shaft；
The first bearing and the second bearing are separately positioned on the both sides of the motor body；
One end of the first rotating shaft is rotatablely connected with the first bearing, the other end of the first rotating shaft and first leaf
Wheel group is fixedly connected；
One end of second shaft is rotatablely connected with the second bearing, and the other end of second shaft passes through described second
Impeller sets are rotatablely connected with the bearing block, and second impeller sets are fixed in second shaft；
The spiral case includes chamber, the first air inlet and the second air inlet, the chamber, the first air inlet and the second air inlet degree of lip-rounding
At return airway；
The motor body and first impeller sets are arranged at the chamber interior, second impeller sets and the bearing
Seat is arranged at the exterior thereto.
2. centrifugal blower according to claim 1, which is characterized in that first air inlet is provided with the first flow guiding machine
Structure.
3. centrifugal blower according to claim 1, which is characterized in that second air inlet is provided with the second flow guiding machine
Structure.
4. centrifugal blower according to claim 1, which is characterized in that further include electric machine support；
The motor body is fixed on by the electric machine support in the chamber.
5. centrifugal blower according to claim 1, which is characterized in that further include bearing bracket；
The bearing bracket is fixed on the spiral case, and is located at the exterior thereto；
The bearing block is fixed on the bearing bracket.
6. according to any centrifugal blowers of claim 1-5, which is characterized in that the length of the first rotating shaft is less than described
The length of second shaft.
7. according to any centrifugal blowers of claim 1-5, which is characterized in that second impeller sets to the bearing block
Distance be less than second impeller sets to the second bearing distance.
8. according to any centrifugal blowers of claim 1-5, which is characterized in that further include silencer mechanism；
The silencer mechanism is arranged on the spiral case, and is located at the chamber interior or outside.
9. a kind of air cleaning facility, which is characterized in that including equipment body, the first filter mechanism, the second filter mechanism and such as
Any centrifugal blowers of claim 1-8；
The equipment body setting third air inlet and outlet and supporting mechanism；
First filter mechanism is arranged in the third air inlet, and inside the equipment body；
Second filter mechanism is arranged at the air outlet, and inside the equipment body；
The centrifugal blower is arranged between first filter mechanism and second filter mechanism, and is fixed on the equipment
In main body, and the first air inlet of the third air inlet and the centrifugal blower is oppositely arranged, the air outlet with it is described from
Second air inlet of heart wind turbine is oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682583.6U CN207673575U (en) | 2017-12-06 | 2017-12-06 | A kind of centrifugal blower and air cleaning facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682583.6U CN207673575U (en) | 2017-12-06 | 2017-12-06 | A kind of centrifugal blower and air cleaning facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673575U true CN207673575U (en) | 2018-07-31 |
Family
ID=62968225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721682583.6U Active CN207673575U (en) | 2017-12-06 | 2017-12-06 | A kind of centrifugal blower and air cleaning facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842518A (en) * | 2017-12-06 | 2018-03-27 | 陆勇 | A kind of centrifugal blower and air cleaning facility |
-
2017
- 2017-12-06 CN CN201721682583.6U patent/CN207673575U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842518A (en) * | 2017-12-06 | 2018-03-27 | 陆勇 | A kind of centrifugal blower and air cleaning facility |
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