CN208503103U - Composite impeller, centrifugal blower and range hood - Google Patents
Composite impeller, centrifugal blower and range hood Download PDFInfo
- Publication number
- CN208503103U CN208503103U CN201821261221.4U CN201821261221U CN208503103U CN 208503103 U CN208503103 U CN 208503103U CN 201821261221 U CN201821261221 U CN 201821261221U CN 208503103 U CN208503103 U CN 208503103U
- Authority
- CN
- China
- Prior art keywords
- impeller
- composite
- blade
- range hood
- arc shaped
- 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.)
- Active
Links
Abstract
The technical issues of the utility model provides a kind of composite impeller, centrifugal blower and range hood, is related to range hood technical field, is to solve in the case where guaranteeing that range hood has identical size and revolving speed, range hood how to be made to realize Wind Volume.It is related to a kind of composite impeller, including the first impeller and the second impeller；First impeller includes the multiple arcs blade being arranged circumferentially about, and forms the first runner passed through for fluid between two neighboring arc shaped blade；Second impeller includes Shang Quan, lower circle and fixed outer ring blade therebetween, forms the second flow channel passed through for fluid between two neighboring outer ring blade.Further relate to a kind of centrifugal blower, comprising: above-mentioned composite impeller.Further relate to a kind of range hood, comprising: above-mentioned centrifugal blower.The composite impeller, centrifugal blower and range hood can greatly promote air quantity, reduce noise.
Description
Technical field
The utility model relates to range hood technical fields, more particularly, to a kind of composite impeller, centrifugal blower and oil suction
Smoke machine.
Background technique
Range hood is a kind of kitchen appliance for purifying kitchen environment.For range hood, blower is entire oil suction
The quality of the core component of smoke machine, fan performance determines the performance of range hood, is one of the core competitiveness of smoke machine product.
Domestic cooking fume remover substantially uses centrifugal blower, and predominantly multi-wing centrifugal fan at present.With range hood
Industry makes constant progress, and the range hood of the big wind pressure of Wind Volume occurs constantly to promote smoke absorption effect.
For above-mentioned range hood, in order to guarantee that range hood has corresponding smoking effect, in the prior art mostly
Using increasing duct dimension, increasing range hood impeller size, promotion motor speed, using modes such as variable-frequency motors, so both
Cost is increased, resource is wasted.Simultaneously as this is but also range hood needs are larger by the larger of components
Installation space not only unsightly, but also operate for a user and be also likely to be present many inconvenience.
Utility model content
The first of the utility model is designed to provide a kind of composite impeller, to solve guaranteeing that it is identical that range hood has
In the case where size and revolving speed, range hood how is set to realize Wind Volume, the technical issues of to promote its smoke absorption effect.
Composite impeller provided by the utility model, comprising: coaxial and the first impeller that can rotate synchronously be located at described the
Second impeller of one impeller peripheral side.
First impeller includes the multiple arcs blade being arranged circumferentially about, and is formed between the two neighboring arc shaped blade
The first runner passed through for fluid.
Second impeller includes Shang Quan, lower circle and fixed outer ring blade therebetween, the two neighboring outer ring
The second flow channel passed through for fluid is formed between blade.
Further, the bore of the first runner successively expands along the flow direction of air-flow.
Further, rotation side of the arc shaped blade along the peripheral, oblique direction and the composite impeller of first impeller
To opposite.
Further, first impeller uses the single side air inlet mode vertical with its axis direction.
Further, the arc shaped blade is set as notch features close to the end of first impeller center, and described cuts
Mouth structure is close to the inlet side of first impeller.
Further, the one end of the arc shaped blade far from first impeller center, and it is close to first impeller
The end of inlet side is equipped with retaining ring, and the retaining ring links together multiple arc shaped blades.
Further, second impeller further includes being located between the upper circle and the lower circle and being fixedly arranged on the outer ring
The mid-game of blade inner circumferential side.
Multiple arc shaped blades are located in the mid-game.
Further, first impeller further includes the impeller disk, and multiple arc shaped blades are located on the impeller disk.
Second impeller further includes being located between the upper circle and the lower circle and being fixedly arranged on the outer ring blade inner circumferential
The mid-game of side.
The center of the impeller disk and the mid-game is equipped with the through-hole for wearing motor shaft, and the two pass through it is respective
The through-hole is sleeved on the motor shaft.
Composite impeller provided by the utility model the utility model has the advantages that
In the composite impeller, including the first impeller and the second impeller coaxial and can rotate synchronously, in the first impeller
It is capable of forming first runner between arc shaped blade, is capable of forming second flow channel between the outer ring blade in the second impeller, due to
Two impellers are located at the peripheral side of the first impeller, and when composite impeller work, a part of air-flow is directly entered second flow channel, and from the
Two runners outflow, another part air-flow will enter through first runner second flow channel and from second flow channel flow out, thus with existing skill
Art is compared, the composite impeller guarantee to flow through the second impeller air quantity it is constant on the basis of, and by the first impeller for adding to wind
Amount is supplemented, the total blast volume for finally being passed through entire composite impeller flow through the first impeller and the second impeller air quantity it
With to greatly improve air quantity.
Furthermore due to the structure of the second impeller be include Shang Quan, it is lower circle and outer ring blade (such as: multiple wing type centrifugal blower fan leaf
Wheel) structure type, thus first can be added in its inner circumferential side in the case where guaranteeing the identical size of conventional centrifugal draught fan impeller
Impeller, according to above-mentioned introduction it is found that the composite impeller is in the case where guaranteeing with conventional centrifugal draught fan impeller same rotational speed, due to
Adding for first impeller can be realized greatly promoting for air quantity, to promote the smoke absorption effect of range hood.
The second of the utility model is designed to provide a kind of centrifugal blower, to solve guaranteeing that it is identical that range hood has
In the case where size and revolving speed, range hood how is set to realize Wind Volume, the technical issues of to promote its smoke absorption effect.
Centrifugal blower provided by the utility model, comprising: above-mentioned composite impeller.
Centrifugal blower provided by the utility model the utility model has the advantages that
Include above-mentioned composite impeller in the centrifugal blower, wherein the specific structure of the composite impeller, connection relationship and
Beneficial effect etc. is described in detail in above-mentioned text, and details are not described herein.
The third of the utility model is designed to provide a kind of range hood, to solve guaranteeing that it is identical that range hood has
In the case where size and revolving speed, range hood how is set to realize Wind Volume, the technical issues of to promote its smoke absorption effect.
Range hood provided by the utility model, comprising: above-mentioned centrifugal blower.
Range hood provided by the utility model the utility model has the advantages that
It include above-mentioned centrifugal blower in the range hood, centrifugal blower includes above-mentioned composite impeller, wherein this is compound
Specific structure, connection relationship and beneficial effect of impeller etc. are described in detail in above-mentioned text, no longer superfluous herein
It states.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram for the composite impeller that the utility model embodiment one provides, wherein the first impeller and second
Impeller is integrally formed setting；
Fig. 2 is the main view of composite impeller shown in Fig. 1；
Fig. 3 is the enlarged structure schematic diagram at A shown in Fig. 1；
Fig. 4 is the structural schematic diagram for the centrifugal blower that the utility model embodiment two provides, wherein the first impeller and second
Impeller is integrally formed setting；
Fig. 5 is the structural schematic diagram for the range hood that the utility model embodiment three provides, wherein the first impeller and second
Impeller is integrally formed setting；In addition, the part casing of range hood is not shown.
Icon: the first impeller of 100-；The second impeller of 200-；
110- arc shaped blade；120- retaining ring；The outer ring 210- blade；220- mid-game；
111- notch features.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill all other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the mechanism of indication or suggestion meaning or element must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Embodiment one
As shown in Figure 1 to Figure 3, the present embodiment one provides a kind of composite impeller, comprising: it is coaxial and can rotate synchronously the
One impeller 100 and the second impeller 200 for being located at 100 peripheral side of the first impeller；First impeller 100 is multiple including being arranged circumferentially about
Arc shaped blade 110 forms the first runner passed through for fluid between two neighboring arc shaped blade 110；Second impeller 200 includes
Shang Quan, lower circle and fixed outer ring blade 210 therebetween are formed between two neighboring outer ring blade 210 logical for fluid
The second flow channel crossed；Air-flow to be output enters second flow channel through first runner or air-flow to be output is directly entered second
Road is finally exported from second flow channel.
In the composite impeller, including the first impeller 100 and the second impeller 200 coaxial and can rotate synchronously, the first leaf
It is capable of forming first runner between arc shaped blade 110 in wheel 100, it being capable of shape between the outer ring blade 210 in the second impeller 200
At second flow channel, since the second impeller 200 is located at the peripheral side of the first impeller 100, when composite impeller work, a part of air-flow
It is directly entered second flow channel, and is flowed out from second flow channel, another part air-flow will enter second flow channel through first runner and from the
The outflow of two runners, thus compared with prior art, which is guaranteeing to flow through the constant basis of 200 air quantity of the second impeller
On, and the first impeller 100 by adding supplements air quantity, the total blast volume for finally being passed through entire composite impeller
It is the sum of air quantity for flowing through the first impeller 100 and the second impeller 200 to greatly improve air quantity, improves smoke absorption effect.
Furthermore due to the structure of the second impeller 200 be include Shang Quan, it is lower circle and outer ring blade 210 (such as: multiple wing type centrifugal
Draught fan impeller) structure type, thus can increase in the case where guaranteeing the identical size of conventional centrifugal draught fan impeller in its inner circumferential side
If the first impeller 100, according to above-mentioned introduction it is found that the composite impeller is guaranteeing the feelings with conventional centrifugal draught fan impeller same rotational speed
Under condition, since adding for the first impeller 100 can be realized greatly promoting for air quantity, to promote the fume-exhausting effect of range hood
Fruit.
It should be noted that the air quantity and existing draught fan impeller of the second impeller 200 are (such as: more in the case where same rotational speed
Wing formula centrifugal blower fan blade wheel) it is identical, due to increasing the air quantity of the first impeller 100 acting, thus greatly improve compound leaf
The air quantity of wheel.
In the embodiment, as shown in Figure 1, internal diameter of the outer diameter of the first impeller 100 less than the second impeller 200.
Wherein, the second impeller 200 uses multiple wing type centrifugal blower fan impeller.
It should be noted that the structure of the first impeller 100 is different from the second impeller 200, also, arc shaped blade 110 and outer
The structure for enclosing blade 210 is not also identical.
Preferably, the air inlet side end face of the first impeller 100 is with the second impeller 200 flush or above the end of the second impeller 200
Face.In addition, the air inlet side end face of the first impeller 100 can also be lower than the second impeller 200.
Please continue to refer to Fig. 1, the quantity of the arc shaped blade 110 of the first impeller 100 shown in Fig. 1 is 11.But in reality
In the application of border, the quantity of arc shaped blade 110 is not limited to 11.
In the embodiment, the quantity first choice of arc shaped blade 110 is odd number.
By practicing and testing proof, when using odd number arc shaped blade 110, the noise of composite impeller at work compared with
It is small, and the balance of composite impeller is preferable.
In the embodiment, the type of attachment of both the first impeller 100 and second impeller 200 can there are many, be not limited to
Following two.
The first structure type: please continue to refer to Fig. 1, the second impeller 200 further includes being located between Shang Quan and lower circle and consolidating
Mid-game 220 set on 210 inner circumferential side of outer ring blade；Multiple arcs blade 110 is located in mid-game 220.
In the first structure type, the first impeller 100 and the second impeller 200 can be integrally formed, and what is be integrally formed is compound
Impeller.
Wherein, the position of mid-game 220 can with no restrictions, and when design can be set according to actual installation and air inlet demand.
For example, mid-game 220 can set the bottom face for being connected to lower circle；Either, mid-game 220 is connected to outer ring blade 210
Inner peripheral surface on.
Second of structure type: the first impeller 100 further includes the impeller disk, and multiple arcs blade 110 is located on the impeller disk；The
Two impellers 200 further include the mid-game 220 for being located between Shang Quan and lower circle and being fixedly arranged on 210 inner circumferential side of outer ring blade；The impeller disk and
The center of mid-game 220 is equipped with the through-hole for wearing motor shaft, and the two is sleeved on motor shaft by respective through-hole.
In second of structure type, the first impeller 100 is detachable be fixedly connected with the second impeller 200.
Such as: the impeller disk and mid-game 220 are fixedly set on motor shaft by respective through-hole.
For another example: the impeller disk is sleeved on the boss of mid-game 220 by through-hole, and is sleeved on motor shaft by mid-game 220.
As shown in Fig. 2, the bore of first runner successively expands along the flow direction of air-flow in the embodiment.
Composite impeller work when, when air-flow pass through first runner when, due to first runner bore along air-flow flowing
Direction successively expands, it is thus possible to certain high pressure is formed at the center of the first impeller 100 in first runner and to first-class
It is flowed at the outer edge low pressure in road, to guarantee that composite impeller has good rectification effect.
Please continue to refer to Fig. 2, the one end of arc shaped blade 110 far from 100 center of the first impeller, and it is close to the first impeller
The end of 100 inlet sides is equipped with retaining ring 120, and retaining ring 120 links together multiple arcs blade 110.
Wherein, which is annular structure, is located at the outlet air edge of multiple first runners, on the one hand, can
Firm effect is played in increase, increases the firm performance of composite impeller entirety；On the other hand, it can reduce arc shaped blade 110 to exist
Arc shaped blade 110 is caused to vibrate generated noise due to going out wind disturbance far from 100 center one end of the first impeller.
In the embodiment, the first impeller 100 uses the single side air inlet mode vertical with its axis direction.Using face air inlet side
Formula can guarantee that composite impeller is effectively entered the wind, and have good air inlet effect.
In the embodiment, arc shaped blade 110 is along the peripheral, oblique direction of the first impeller 100 and the rotation direction of composite impeller
On the contrary (namely: the radian direction of the arc shaped blade 110 of the first impeller 100 need to be opposite with composite impeller rotation direction), to guarantee
The normal or effective air inlet of first impeller 100.
As shown in figure 3, arc shaped blade 110 is set as notch features 111 close to the end at 100 center of the first impeller, and cut
Close to the inlet side of the first impeller 100, (that is: notch features 111 are located at one of arc shaped blade 110 far from mid-game 220 to mouth structure 111
Side).
Wherein, the benefit of the notch features 111 setting is to can reduce arc shaped blade 110 close to 100 center of the first impeller
Position one end causes arc shaped blade 110 to vibrate generated noise due to air inlet disturbance.
The working principle of the composite impeller are as follows:
First impeller 100 is face air inlet mode (such as Fig. 1, for front air inlet), when composite impeller work, a part of air-flow
It is directly entered in the second flow channel of the formation of outer ring blade 210 after the air inlet of front, another part air-flow will pass through the after the air inlet of front
One runner is transported to the outer edge exit of the first impeller 100, enters back into the second flow channel of the formation of outer ring blade 210, finally
The total blast volume for passing through entire composite impeller flows through the sum of the air quantity of the first impeller 100 and the second impeller 200.
Embodiment two
As shown in figure 4, the present embodiment two provides a kind of centrifugal blower, comprising: the composite impeller in above-described embodiment one.
Include above-mentioned composite impeller in the centrifugal blower, wherein the specific structure of the composite impeller, connection relationship and
Beneficial effect etc. is described in detail in above-mentioned text, and details are not described herein.
In the embodiment, centrifugal blower includes the spiral case with air inlet and air outlet, and composite impeller is mounted in spiral case,
And the face inlet side of composite impeller is adapted setting with the air inlet of centrifugal blower.
The working principle of centrifugal blower in the embodiment two are as follows:
When centrifugal blower work, the second of the formation of outer ring blade 210 is directly entered after a part of air-flow front air inlet
In road, another part air-flow will be transported to by first runner the outer edge exit of the first impeller 100 after the air inlet of front, then into
In the second flow channel for entering the formation of outer ring blade 210, finally, the total blast volume of the first impeller 100 and the second impeller 200 is flowed through, from snail
The air outlet of shell flows out.
Embodiment three
As shown in figure 5, the present embodiment three provides a kind of range hood, comprising: the centrifugal blower in above-described embodiment two.
It include above-mentioned centrifugal blower in the range hood, centrifugal blower includes above-mentioned composite impeller, wherein this is compound
Specific structure, connection relationship and beneficial effect of impeller etc. are described in detail in above-mentioned text, no longer superfluous herein
It states.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of composite impeller characterized by comprising coaxial and the first impeller (100) that can rotate synchronously and described in being located at
Second impeller (200) of the first impeller (100) peripheral side；
First impeller (100) includes the multiple arcs blade (110) being arranged circumferentially about, the two neighboring arc shaped blade
(110) first runner passed through for fluid is formed between；
Second impeller (200) includes Shang Quan, lower circle and fixed outer ring blade (210) therebetween, two neighboring institute
State the second flow channel for being formed between outer ring blade (210) and being passed through for fluid.
2. composite impeller according to claim 1, which is characterized in that the bore of the first runner is along the flowing side of air-flow
To successively expanding.
3. composite impeller according to claim 1 or 2, which is characterized in that the arc shaped blade (110) is along first leaf
The peripheral, oblique direction for taking turns (100) is opposite with the rotation direction of the composite impeller.
4. composite impeller according to claim 3, which is characterized in that first impeller (100) uses and its axis side
To vertical single side air inlet mode.
5. composite impeller according to claim 3, which is characterized in that the arc shaped blade (110) is close to first leaf
The end at wheel (100) center is set as notch features (111), and the notch features (111) are close to first impeller (100)
Inlet side.
6. composite impeller according to claim 1, which is characterized in that the arc shaped blade (110) is far from first leaf
The one end at (100) center of wheel, and it is equipped with retaining ring (120) close to the end of the first impeller (100) inlet side, the retaining ring
(120) multiple arc shaped blades (110) are linked together.
7. composite impeller according to claim 1, which is characterized in that second impeller (200) further include be located at it is described
The upper mid-game (220) enclosed between the lower circle and be fixedly arranged on outer ring blade (210) inner circumferential side；
Multiple arc shaped blades (110) are located on the mid-game (220).
8. composite impeller according to claim 1, which is characterized in that first impeller (100) further includes the impeller disk, more
A arc shaped blade (110) is located on the impeller disk；
Second impeller (200) further includes being located between the upper circle and the lower circle and being fixedly arranged on the outer ring blade
(210) mid-game (220) of inner circumferential side；
The center of the impeller disk and the mid-game (220) is equipped with the through-hole for wearing motor shaft, and the two passes through respectively
The through-hole be sleeved on the motor shaft.
9. a kind of centrifugal blower characterized by comprising such as the described in any item composite impellers of the claims 1-8.
10. a kind of range hood characterized by comprising such as above-mentioned centrifugal blower as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821261221.4U CN208503103U (en) | 2018-08-06 | 2018-08-06 | Composite impeller, centrifugal blower and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821261221.4U CN208503103U (en) | 2018-08-06 | 2018-08-06 | Composite impeller, centrifugal blower and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503103U true CN208503103U (en) | 2019-02-15 |
Family
ID=65300038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821261221.4U Active CN208503103U (en) | 2018-08-06 | 2018-08-06 | Composite impeller, centrifugal blower and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208503103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869392A (en) * | 2018-08-06 | 2018-11-23 | 杭州老板电器股份有限公司 | Composite impeller, centrifugal blower and range hood |
| CN112324704A (en) * | 2020-11-27 | 2021-02-05 | 东华大学 | All-round mechanical air supply system of high torrent of low frequency |
-
2018
- 2018-08-06 CN CN201821261221.4U patent/CN208503103U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869392A (en) * | 2018-08-06 | 2018-11-23 | 杭州老板电器股份有限公司 | Composite impeller, centrifugal blower and range hood |
| CN112324704A (en) * | 2020-11-27 | 2021-02-05 | 东华大学 | All-round mechanical air supply system of high torrent of low frequency |
| CN112324704B (en) * | 2020-11-27 | 2021-12-10 | 东华大学 | All-round mechanical air supply system of high torrent of low frequency |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209569199U (en) | Impeller, blower and kitchen ventilator | |
| CN208503103U (en) | Composite impeller, centrifugal blower and range hood | |
| CN207315729U (en) | Impeller, centrifugal blower and kitchen ventilator | |
| CN107503958A (en) | A kind of centrifugal blower fan system for range hood | |
| CN103089661A (en) | Cross flow fan | |
| CN108869392A (en) | Composite impeller, centrifugal blower and range hood | |
| CN203770236U (en) | Range hood centrifugal fan with double air inlet structures | |
| CN207513872U (en) | A kind of centrifugal blower fan system | |
| CN110513327A (en) | Diagonal flow fan and household appliance | |
| CN208536094U (en) | Variable cross-section air duct and range hood | |
| CN210568923U (en) | Novel air purifier | |
| CN107726497A (en) | A kind of tangential air-out advection wall-hanging refrigerating fan of centrifugal low noise | |
| CN209147176U (en) | Top-sucking kitchen ventilator | |
| CN208804046U (en) | Centrifugal blower and range hood | |
| CN107339241A (en) | Multi-wing centrifugal fan | |
| CN203978927U (en) | A kind of pair of air intake centrifugal blower fan | |
| CN208804037U (en) | Impeller, centrifugal blower and range hood | |
| CN208348150U (en) | A kind of small-sized multi-wing centrifugal exhaust fan of highly effective low noise and impeller | |
| JP3649567B2 (en) | Once-through fan | |
| CN205618435U (en) | Fan, volute blower and air conditioner | |
| CN109209932A (en) | A kind of smoke exhaust ventilator equipped with diagonal flow fan | |
| CN204828039U (en) | Impeller and have centrifugal fan and air conditioner evaporimeter of this impeller | |
| CN205937218U (en) | Fan flabellum and fan unit | |
| CN205117806U (en) | Axial compressor fan blade, axial fan and air conditioner | |
| CN208886871U (en) | A kind of range hood with collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |