CN208950929U - A kind of blower fan structure and air conditioner - Google Patents
A kind of blower fan structure and air conditioner Download PDFInfo
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- CN208950929U CN208950929U CN201821730223.3U CN201821730223U CN208950929U CN 208950929 U CN208950929 U CN 208950929U CN 201821730223 U CN201821730223 U CN 201821730223U CN 208950929 U CN208950929 U CN 208950929U
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Abstract
The utility model provides a kind of blower fan structure and air conditioner, is related to air-conditioning technical field.The blower fan structure includes spiral case seat and spiral case lid.Spiral case seat is detachably connected along the axis direction of spiral case seat with spiral case lid, and the first cavity is provided in spiral case lid, and the second cavity is provided in spiral case seat, and the first cavity and the second cavity combinations form air duct.Compared with prior art, blower fan structure described in the utility model is due to using first cavity and ratio range of the ratio range between half to 8/9ths 1/9th to the second cavity between half, so being reasonably assigned with the dimensional parameters of spiral case seat and spiral case lid, it avoids generating whirlpool wind phenomenon, and the noise of generation can be effectively reduced, noise pollution is avoided, it is practical.
Description
Technical field
The utility model relates to air-conditioning technical field, in particular to a kind of blower fan structure and air conditioner.
Background technique
Mobile air conditioner is easy to install and use, relatively universal in European & American Market, but a member of formula air conditioner as a whole, similarly
Noise problem drastically influences always the comfort of mobile air conditioner, and only developing more low noise mobile air conditioner, could to improve product competing
Strive power.Air duct consists of two parts on the outside of present mobile air conditioner, is spiral case lid and spiral case seat, existing outside air duct respectively
Inner cavity half is covered in spiral case, the other half is on spiral case seat, and volute tongue is smoothly transitted into outside wind passage mouth by inside wind passage mouth,
It is also easy to produce whirlpool wind phenomenon, and volute tongue angle and wind wheel blade angle mismatch, the high noise of generation influences user experience.
Utility model content
In view of this, the utility model is directed to a kind of blower fan structure, structure is simple, the dimensional parameters of each components
Distribution rationally, avoids generating whirlpool wind phenomenon, and can be effectively reduced the noise of generation, avoids noise pollution, practical.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of blower fan structure, including spiral case seat and spiral case lid, spiral case seat are removable along the axis direction and spiral case lid of spiral case seat
Connection is unloaded, the first cavity is provided in spiral case lid, the second cavity, the first cavity and the second cavity combinations shape are provided in spiral case seat
At air duct, the ratio range of length and air duct length on axis of first cavity on axis half to nine/
Between eight, the ratio range of length and air duct length on axis of second cavity on axis 1 to two/9th/
Between one.
Further, the ratio range of length and air duct length on axis of first cavity on axis three/
Between 8/2nds to nine, the ratio range of length and air duct length on axis of second cavity on axis nine/
One between one third.
Further, the ratio of length and air duct length on axis of first cavity on axis is 8/9ths,
The ratio of length and air duct length on axis of second cavity on axis is 1/9th.
Further, spiral case lid includes integrally formed the first side wall and the first bottom wall, the first side wall and the first bottom wall group
It closes and forms the first cavity, the first side wall is detachably connected with spiral case seat.
Further, spiral case seat includes integrally formed second sidewall and the second bottom wall, second sidewall and the second bottom wall group
It closes and forms the second cavity, the second bottom wall and the first bottom wall parallel interval are arranged, and second sidewall is detachably connected with the first side wall.
Further, it is provided with the first arcwall on the first side wall, the second arcwall, the first arc are provided in second sidewall
Shape wall and the second arcwall combine to form air outlet, and air outlet is connected to air duct.
Further, the central angle of the first arcwall is more than or equal to the central angle of the second arcwall.
Further, the ratio range of the central angle of the central angle of the first arcwall and the second arcwall 1 times to 8 times it
Between.
Further, blower fan structure further includes centrifugal blower, and centrifugal blower includes motor and impeller, and motor and impeller connect
It connects, impeller is installed in air duct.
Compared with the existing technology, blower fan structure described in the utility model has the advantage that
Blower fan structure described in the utility model, spiral case seat are detachably connected along the axis direction of spiral case seat with spiral case lid,
It is provided with the first cavity in spiral case lid, the second cavity is provided in spiral case seat, the first cavity and the second cavity combinations form air duct,
First cavity the length on axis and air duct the length on axis ratio range between half to 8/9ths,
Second cavity on axis length and air duct the length on axis ratio range 1/9th between half.
Compared with prior art, blower fan structure described in the utility model is due to using ratio range in half to 8/9ths
Between the first cavity and ratio range 1/9th to the second cavity between half, so being reasonably assigned with
The dimensional parameters of spiral case seat and spiral case lid avoid generating whirlpool wind phenomenon, and can be effectively reduced the noise of generation, avoid making an uproar
Sound pollution, it is practical.
The another object of the utility model is to propose a kind of air conditioner, in blower fan structure structure it is simple, Ge Geling
The dimensional parameters distribution of component rationally, avoids generating whirlpool wind phenomenon, and can be effectively reduced the noise of generation, avoids noise
Pollution, practical, user experience is good.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of air conditioner, including above-mentioned blower fan structure, which includes spiral case seat and spiral case lid, and spiral case seat is along snail
The axis direction of shell block is detachably connected with spiral case lid, and the first cavity is provided in spiral case lid, and the second sky is provided in spiral case seat
Chamber, the first cavity and the second cavity combinations form air duct, length and air duct length on axis of first cavity on axis
Ratio range between half to 8/9ths, length and air duct length on axis of second cavity on axis
Ratio range 1/9th between half.
Compared with the existing technology, air conditioner described in the utility model has the advantage that
Air conditioner described in the utility model, in blower fan structure structure it is simple, be reasonably assigned with spiral case seat and snail
The dimensional parameters of cap avoid generating whirlpool wind phenomenon, and can be effectively reduced the noise of generation, avoid noise pollution, real
Strong with property, user experience is good.
Possessed advantage is identical compared with the existing technology with above-mentioned blower fan structure for the air conditioner, and details are not described herein.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram at one visual angle of blower fan structure described in the utility model first embodiment；
Fig. 2 is the structural schematic diagram of spiral case lid in blower fan structure described in the utility model first embodiment；
Fig. 3 is the structural schematic diagram of spiral case seat in blower fan structure described in the utility model first embodiment；
Fig. 4 is the structural schematic diagram at another visual angle of blower fan structure described in the utility model first embodiment；
Fig. 5 is the first volute tongue in blower fan structure described in the utility model first embodiment, the second volute tongue and fan blade combination
The mathematical model figure of formation；
Fig. 6 is that the first cavity and the second cavity combinations are formed in blower fan structure described in the utility model first embodiment
Mathematical model figure；
Fig. 7 is the structural representation that spiral case lid is connect with spiral case seat in blower fan structure described in the utility model first embodiment
Figure.
Description of symbols:
1- blower fan structure；2- spiral case seat；3- spiral case lid；4- centrifugal blower；The first cavity of 5-；The first volute tongue of 6-；7- second
Cavity；The second volute tongue of 8-；The air duct 9-；10- motor；11- impeller；12- fan blade；The first curved portion of 13-；The first planar portions of 14-；
The second curved portion of 15-；The second planar portions of 16-；17- the first side wall；The first bottom wall of 18-；19- second sidewall；The second bottom wall of 20-；
The first arcwall of 21-；The second arcwall of 22-；23- air outlet.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
First embodiment
Fig. 1 is please referred to, the utility model embodiment provides a kind of blower fan structure 1, for outwardly blowing out air-flow.It is tied
Structure is simple, and the dimensional parameters distribution of each components rationally, avoids generating whirlpool wind phenomenon, and can be effectively reduced generation
Noise avoids noise pollution, practical.In the present embodiment, blower fan structure 1 is applied in air-conditioning, when starting of air conditioner, blower
Structure 1 works, and thermogenetic hot-air will be changed in air-conditioning or cold air is blown out to interior, to regulate and control room temperature.
Blower fan structure 1 includes spiral case seat 2, spiral case lid 3 and centrifugal blower 4.Spiral case seat 2 along spiral case seat 2 axis direction with
Spiral case lid 3 is detachably connected, and in the present embodiment, spiral case seat 2 and spiral case lid 3 are in the form of annular discs, during the installation process, by spiral case seat
2 axial direction and spiral case lid 3 it is axially aligned point-blank, spiral case seat 2 along the direction of its axis close to spiral case lid 3, and with
Spiral case lid 3 connects, and is easily installed and safeguards.Centrifugal blower 4 is installed between spiral case seat 2 and spiral case lid 3, and centrifugal blower 4 can
Sucking outside air simultaneously blows to indoor formation air-flow, to realize outlet air function.
Incorporated by reference to referring to Fig. 2, Fig. 3 and Fig. 4, it is notable that spiral case lid 3 is provided with the first cavity 5 and is located at the
The first volute tongue 6 in one cavity 5, the first volute tongue 6 are concordant close to one end of spiral case seat 2 with spiral case lid 3.Spiral case seat 2 is provided with
Two cavitys 7 and the second volute tongue 8 in the second cavity 7, the second volute tongue 8 are held level with both hands with spiral case seat 2 close to the one of spiral case lid 3
Together.After the completion of spiral case lid 3 is connect with spiral case seat 2, the first cavity 5 and the combination of the second cavity 7 form air duct 9, and centrifugal blower 4 is pacified
Loaded in air duct 9, and pass through the outwardly outlet air of air duct 9；First volute tongue 6 and the second volute tongue 8 abut, to be spliced to form whole snail
Tongue reduces the noise that outlet air generates.
Please continue to refer to Fig. 1, centrifugal blower 4 includes motor 10 and impeller 11.Motor 10 is connect with impeller 11, with band movable vane
Wheel 11 rotates.Impeller 11 is installed in air duct 9, and impeller 11 can suck outside air and blow out air-flow outward.Impeller 11
It is arranged at intervals with multiple fan blades 12, fan blade 12 and axis to be arranged in angle, air-flow passes through the gap blowout between multiple fan blades 12.
Specifically, fan blade 12 and the first volute tongue 6 extend to the side of axis, the extension of the extending direction of fan blade 12 and the first volute tongue 6
Direction is roughly the same, and the angle between fan blade 12 and axis is made an uproar less than the angle between the first volute tongue 6 and axis with reducing outlet air
Sound.
Incorporated by reference to referring to figure 5 and figure 6, the ratio of the first cavity 5 length on axis and length of the air duct 9 on axis
Range is between half to 8/9ths, it is preferable that length of first cavity 5 on axis and air duct 9 are on axis
The ratio range of length is between 8/2nds to nine/3rds, in the present embodiment, length and wind of first cavity 5 on axis
The ratio of length of the road 9 on axis is 8/9ths, it is not limited to this, length and wind of first cavity 5 on axis
The ratio of length of the road 9 on axis can be half, or 2/3rds.
The ratio range of length of second cavity 7 on axis and length of the air duct 9 on axis is 1 to two/9th
Between/mono-, it is preferable that the ratio range of length of second cavity 7 on axis and length of the air duct 9 on axis is nine
/ mono- between one third, in the present embodiment, length of second cavity 7 on axis and length of the air duct 9 on axis
Ratio be 1/9th, it is not limited to this, length of second cavity 7 on axis and length of the air duct 9 on axis
Ratio can be half, or one third.
Angular range between first volute tongue 6 and axis is between 2 degree to 5 degree, it is preferable that the first volute tongue 6 and axis it
Between angular range between 3 degree to 5 degree, in the present embodiment, the angle between the first volute tongue 6 and axis is 5 degree, but simultaneously not only
It is limited to this, the angle between the first volute tongue 6 and axis can be 2 degree, or 3 degree.
Angular range between second volute tongue 8 and axis is between 0.6 degree to 5 degree, it is preferable that the second volute tongue 8 and axis
Between angular range between 0.6 degree to 3 degree, in the present embodiment, the angle between the second volute tongue 8 and axis is 0.6 degree, but
It is not limited to that, the angle between the second volute tongue 8 and axis can be 3 degree, or 5 degree.
In the present embodiment, blower fan structure 1 is placed vertically, and the axis direction of spiral case seat 2 is horizontal direction, the first cavity 5
The ratio of width in the horizontal direction and the width in the horizontal direction of air duct 9 is 8/9ths, and the second cavity 7 is in the horizontal direction
The ratio of width and the width in the horizontal direction of air duct 9 is 1/9th, i.e. the width of the first cavity 5 accounts for entire 9 width of air duct
8/9ths, the width of the second cavity 7 accounts for 1/9th of entire 9 width of air duct, and the width of the first cavity 5 is the second cavity
8 times of 7 width, compared with prior art, the utility model embodiment breaks intrinsic thinking, and (spiral case seat 2 and spiral case lid 3 are symmetrical
Design), most of inner cavity in air duct 9 is designed on spiral case lid 3, mold depanning angle is increased, reinforces spiral case seat 2 and spiral case lid
3 Intensity Design reduces wind noise, breaks through industry bottleneck.
It should be noted that the first volute tongue 6 one end and the second volute tongue 8 far from the second volute tongue 8 far from the first volute tongue 6 one
End is all set in the same side of the junction of the first volute tongue 6 and the second volute tongue 8.In the present embodiment, blower fan structure 1 is placed vertically,
First volute tongue 6 is higher than the first volute tongue 6 close to one end of the second volute tongue 8 far from one end of the second volute tongue 8, and the second volute tongue 8 is far from the
One end of one volute tongue 6 is higher than the second volute tongue 8 and hands over close to one end of the first volute tongue 6, the first volute tongue 6 and the second volute tongue 8 in junction
Fork.The length of first volute tongue 6 is more than or equal to the length of the second volute tongue 8, specifically, the length of the first volute tongue 6 and the second snail
The ratio range of the length of tongue 8 is between 1 times to 8 times, and in the present embodiment, the length of the first volute tongue 6 is 8 length of the second volute tongue
8 times, the major part of whole volute tongue is designed on spiral case lid 3, so that angle of the angle of whole volute tongue as much as possible with fan blade 12
Degree is consistent, since fan blade 12 and the second volute tongue 8 extend to the two sides of axis respectively, so between the second volute tongue 8 and axis
Angle it is the smaller the better, in the present embodiment, in order to guarantee mold depanning, the angle between the second volute tongue 8 and axis is designed as
0.6 degree, to reduce the noise of outlet air generation.
Fig. 7 is please referred to, the first volute tongue 6 includes the first curved portion 13 and the first planar portions 14, and the second volute tongue 8 includes the second arc
Shape portion 15 and the second planar portions 16.First curved portion 13 is abutted with the second curved portion 15, the first curved portion 13 and the second curved portion
15 can buffer air-flow.First planar portions 14 are abutted with the second planar portions 16, the first planar portions 14 and the second planar portions
16 can be oriented to air-flow.8 collective effect of first volute tongue 6 and the second volute tongue reduces the noise that outlet air generates.
Spiral case lid 3 includes integrally formed the first side wall 17 and the first bottom wall 18, to improve bonding strength, the first side wall 17
It is combined with the first bottom wall 18 and forms the first cavity 5.Spiral case seat 2 includes integrally formed second sidewall 19 and the second bottom wall 20, with
Bonding strength is improved, second sidewall 19 is combined with the second bottom wall 20 forms the second cavity 7.First volute tongue 6 is connected to the first side wall
On 17, the second volute tongue 8 is connected in second sidewall 19, and the second bottom wall 20 and 18 parallel interval of the first bottom wall are arranged, second sidewall
19 are detachably connected with the first side wall 17, to fix the relative position of spiral case lid 3 Yu spiral case seat 2.
It should be noted that being provided with the first arcwall 21 on the first side wall 17, the second arc is provided in second sidewall 19
Shape wall 22, the first arcwall 21 and the combination of the second arcwall 22 form air outlet 23, and the first volute tongue 6 and the second volute tongue 8 are respectively provided with
In in air outlet 23.Air outlet 23 is connected to air duct 9, and the air-flow that 9 inner impeller 11 of air duct generates blows to the external world by air outlet 23,
To regulate and control indoor air temperature.The central angle of first arcwall 21 is more than or equal to the central angle of the second arcwall 22, specifically, the
The ratio range of the central angle of the central angle of one arcwall 21 and the second arcwall 22 is between 1 times to 8 times.In the present embodiment,
The central angle of first arcwall 21 is 8 times of the central angle of the second arcwall 22, and most of sidewall design of air outlet 23 is arrived
On spiral case lid 3, so that it is matched with accounting of first volute tongue 6 in whole volute tongue, be easily installed and dismantle, aesthetics is high.
Blower fan structure 1 described in the utility model embodiment, spiral case seat 2 can along the axis direction and spiral case lid 3 of spiral case seat 2
Dismantling connection is provided with the first cavity 5 in spiral case lid 3, and the second cavity 7 is provided in spiral case seat 2, and the first cavity 5 and second is empty
Chamber 7, which combines, forms air duct 9, and the ratio range of length of first cavity 5 on axis and length of the air duct 9 on axis is at two points
One of between 8/9ths, the ratio range of length of second cavity 7 on axis and length of the air duct 9 on axis is nine
/ mono- between half.Compared with prior art, blower fan structure 1 described in the utility model is due to using ratio model
Be trapped among half between 8/9ths the first cavity 5 and ratio range 1/9th between half
Two cavitys 7 avoid generating whirlpool wind phenomenon, and can so being reasonably assigned with the dimensional parameters of spiral case seat 2 and spiral case lid 3
It is effectively reduced the noise of generation, avoids noise pollution, it is practical.
Second embodiment
The utility model embodiment provides a kind of air conditioner (not shown), for regulating and controlling indoor air temperature.The air conditioner packet
Include shell (not shown) and blower fan structure 1.Wherein, the basic structure and principle of blower fan structure 1 and the technical effect of generation and
One embodiment is identical, and to briefly describe, the present embodiment part does not refer to place, can refer to corresponding contents in first embodiment.
In the present embodiment, blower fan structure 1 is installed in shell, and shell can protect blower fan structure 1, blower fan structure
1 is used for output gas flow, will change thermogenetic hot-air or cold air is blown out to interior.
The beneficial effect of air conditioner described in the utility model embodiment and the beneficial effect of first embodiment are identical, herein
It repeats no more.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of blower fan structure, which is characterized in that including spiral case seat (2) and spiral case lid (3), the spiral case seat (2) is along the snail
The axis direction of shell block (2) is detachably connected with the spiral case lid (3), is provided with the first cavity (5) in the spiral case lid (3),
It is provided with the second cavity (7) in the spiral case seat (2), first cavity (5) and second cavity (7) combination form air duct
(9), ratio model of first cavity (5) in length and the length of the air duct (9) on the axis on the axis
Half is trapped among between 8/9ths, length of second cavity (7) on the axis and the air duct (9) are in institute
The ratio range of the length on axis is stated 1/9th between half.
2. blower fan structure according to claim 1, which is characterized in that length of first cavity (5) on the axis
The ratio range of the length of degree and the air duct (9) on the axis is between 8/2nds to nine/3rds, and described second
Cavity (7) on the axis length and the length of the air duct (9) on the axis ratio range 1/9th
To between one third.
3. blower fan structure according to claim 2, which is characterized in that length of first cavity (5) on the axis
Degree and the ratio of the length of the air duct (9) on the axis are 8/9ths, and second cavity (7) is on the axis
Length and the length of the air duct (9) on the axis ratio be 1/9th.
4. blower fan structure according to claim 1, which is characterized in that the spiral case lid (3) includes integrally formed first
Side wall (17) and the first bottom wall (18), the first side wall (17) combine to form first cavity with first bottom wall (18)
(5), the first side wall (17) is detachably connected with the spiral case seat (2).
5. blower fan structure according to claim 4, which is characterized in that the spiral case seat (2) includes integrally formed second
Side wall (19) and the second bottom wall (20), the second sidewall (19) combine to form second cavity with second bottom wall (20)
(7), second bottom wall (20) and the first bottom wall (18) parallel interval are arranged, the second sidewall (19) and described first
Side wall (17) is detachably connected.
6. blower fan structure according to claim 5, which is characterized in that be provided with the first arc on the first side wall (17)
Wall (21) is provided with the second arcwall (22) on the second sidewall (19), first arcwall (21) and second arc
Shape wall (22) combination is formed air outlet (23), and the air outlet (23) is connected to the air duct (9).
7. blower fan structure according to claim 6, which is characterized in that the central angle of first arcwall (21) be greater than or
Person is equal to the central angle of second arcwall (22).
8. blower fan structure according to claim 7, which is characterized in that the central angle of first arcwall (21) with it is described
The ratio range of the central angle of second arcwall (22) is between 1 times to 8 times.
9. blower fan structure according to claim 1, which is characterized in that the blower fan structure further includes centrifugal blower (4), institute
Stating centrifugal blower (4) includes motor (10) and impeller (11), and the motor (10) connect with the impeller (11), the impeller
(11) it is installed in the air duct (9).
10. a kind of air conditioner, which is characterized in that including blower fan structure as described in any one of claim 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730223.3U CN208950929U (en) | 2018-10-24 | 2018-10-24 | A kind of blower fan structure and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730223.3U CN208950929U (en) | 2018-10-24 | 2018-10-24 | A kind of blower fan structure and air conditioner |
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| Publication Number | Publication Date |
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| CN208950929U true CN208950929U (en) | 2019-06-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083855A (en) * | 2018-10-24 | 2018-12-25 | 奥克斯空调股份有限公司 | A kind of blower fan structure and air conditioner |
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2018
- 2018-10-24 CN CN201821730223.3U patent/CN208950929U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083855A (en) * | 2018-10-24 | 2018-12-25 | 奥克斯空调股份有限公司 | A kind of blower fan structure and air conditioner |
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