CN208778298U - A kind of spiral case blower and its blower fan system of application - Google Patents
A kind of spiral case blower and its blower fan system of application Download PDFInfo
- Publication number
- CN208778298U CN208778298U CN201821385509.2U CN201821385509U CN208778298U CN 208778298 U CN208778298 U CN 208778298U CN 201821385509 U CN201821385509 U CN 201821385509U CN 208778298 U CN208778298 U CN 208778298U
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- Prior art keywords
- spiral case
- disk
- air
- blade
- air inlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses spiral case blower and its blower fan systems of application, wherein spiral case blower includes spiral case and wind wheel, spiral case includes upper end plate, lower end board and side panel, wind wheel is mounted in the cavity of spiral case, lower end board is equipped with the first air inlet, side panel is equipped with the first air outlet, wind wheel includes windward disk, leeward disk and several blades, the middle part of leeward disk is equipped with the second air inlet, air duct is formed between adjacent two blade, first air inlet, second air inlet, air duct, first air outlet is connected to cavity, each blade includes blade inner segment and blade outer segment, the distance between the top surface of blade outer segment and the first medial surface of upper end plate are become larger in radial direction by interior outward, setting is so that the air-out area that air-flow enters between upper end plate and leeward disk after coming out between windward disk and leeward disk is gradually in this way Increase, avoid air-flow removing loss and air-flow velocity, pressure suddenly change, avoid that asthma is caused to be flowed, avoids generating noise and vibration.
Description
Technical field:
The utility model relates to a kind of spiral case blower and its blower fan systems of application.
Background technique:
As shown in Figure 1 to Figure 3, existing spiral case blower, including spiral case 1a and wind wheel 2a, wind wheel 2a are mounted on spiral case 1a's
In cavity, the spiral case 1a includes upper end plate 11a, lower end board 12a and is connected to upper end plate 11a and lower end board 12a
Between side panel 13a, lower end board 12a be equipped with the first air inlet 15a, side panel 13a be equipped with the first air outlet 16a,
The wind wheel 2a includes windward disk 21a, leeward disk 22a and several blades that connection is in the wind between disk 21a and leeward disk 22a
23a is equipped between the second air inlet 24a, adjacent two blades 23a at the middle part of leeward disk 22a and forms air duct, each blade
23a points are blade inner segment 231a and blade outer segment 232a, belong to blade outer segment 232a radially beyond the blade 23a of windward disk 21a,
Belong to blade inner segment 231a, the top surface 2321a and upper end plate of the blade outer segment 232a within the second air inlet 24a
The distance between the first medial surface 111a of 11a h1 is equal in radial direction, and the second medial surface 121a of lower end board 12a is
Plane.Such structure has the following problems:
Air-flow enters from the first air inlet 15a, flows through between the second air inlet 24a, windward disk 21a and leeward disk 22a
Air duct, the air duct between windward disk 21a and leeward disk 22a enter the wind between upper end plate 11a and leeward disk 22a after coming out
Road, air-out area increase suddenly, and the removing loss that will cause air-flow is very big, additionally result in air-flow velocity and pressure becomes suddenly
Change, asthma stream and biggish rotational noise can be caused, overall efficiency is lower and causes the noise of complete machine and vibration.
Utility model content:
The purpose of the utility model is to provide a kind of spiral case blower and its blower fan system of application, by by blade outer segment
The distance between top surface and the medial surface of upper end plate are arranged to be gradually increased in radial directions, can effectively solve air-flow because going out
Wind area increases the problem of causing very big air-flow to remove loss and lead to air-flow velocity and pressure suddenly change suddenly, avoids
Cause asthma stream and biggish rotational noise, avoids that complete machine is caused to generate noise and vibration, improve overall efficiency.
The purpose of this utility model is achieved by following technical proposals:
A kind of spiral case blower, including spiral case and wind wheel, the spiral case include upper end plate, lower end board and are connected to upper end
Side panel between panel and lower end board, upper end plate, lower end board and side panel surround cavity, and wind wheel is mounted on cavity
In, the lower end board be equipped with the first air inlet, side panel be equipped with the first air outlet, the wind wheel include windward disk, under
Several blades that wind disk and connection are in the wind between disk and leeward disk are equipped with the second air inlet at the middle part of leeward disk, adjacent
Air duct is formed between two blades, first air inlet, the second air inlet, air duct, the first air outlet are connected to cavity, the leaf
Piece is divided into blade inner segment and blade outer segment, belongs to blade outer segment radially beyond the blade of windward disk, is located within the second air inlet
Belong to blade inner segment, the distance between first medial surface of the top surface of the blade outer segment and upper end plate radial direction by
Inside become larger outward.
The middle part of upper end plate described above be equipped with to cavity indent recess portion, the outside of upper end plate be by it is interior outward by
Gradually offset up.
The top surface 2321 of blade outer segment 232 described above is plane.
The outside of upper end plate described above is a curved slab.
The distance between second medial surface of the bottom surface of blade inner segment described above and lower end board is in radial direction by interior
It is first equal outward to become larger again.
The distance between second medial surface of the first end face of leeward disk described above and lower end board radial direction by
Inside become larger outward.
The second medial surface and the second lateral surface of lower end board described above are a curved surfaces.
Several installation feet are set on side panel described above, and the second end face of the installation foot is higher by the of lower end board
Three end faces.
In the periphery protrusion annular convex platform of the first air inlet described above, the 4th end face of the annular convex platform and installation foot
Second end face flush.
A kind of blower fan system, including spiral case blower and motor, the spiral case blower includes spiral case and wind wheel, and motor is mounted on
On the upper end plate of spiral case, the output shaft of motor passes through upper end plate and wind wheel is sequentially connected, and the spiral case blower is above-mentioned institute
A kind of spiral case blower stated.
The utility model compared with prior art, has the effect that
1) a kind of spiral case blower, including spiral case and wind wheel, the spiral case include upper end plate, lower end board and are connected to
Side panel between end plates and lower end board, upper end plate, lower end board and side panel surround cavity, and wind wheel is mounted on cavity
In, the lower end board be equipped with the first air inlet, side panel be equipped with the first air outlet, the wind wheel include windward disk, under
Several blades that wind disk and connection are in the wind between disk and leeward disk are equipped with the second air inlet at the middle part of leeward disk, adjacent
Air duct is formed between two blades, first air inlet, the second air inlet, air duct, the first air outlet are connected to cavity, the leaf
Piece is divided into blade inner segment and blade outer segment, belongs to blade outer segment radially beyond the blade of windward disk, is located within the second air inlet
Belong to blade inner segment, the distance between first medial surface of the top surface of the blade outer segment and upper end plate radial direction by
Inside become larger outward.Air-flow enters from the first air inlet, the second air inlet of approach, and the wind between windward disk and leeward disk
Road, which comes out, enters the air duct between leeward disk and upper end plate, due to the top surface of blade outer segment and the first medial surface of upper end plate
The distance between become larger, so the air-out area of air-flow is also to be gradually increased, therefore can avoid air-flow
Removing loss and air-flow velocity and pressure suddenly change, avoid causing asthma from flowing and biggish rotational noise, avoid causing whole
Machine generates noise and vibration, improves overall efficiency.
2) the distance between second medial surface of the bottom surface of blade inner segment and lower end board is in radial direction by interior first outward
It is equal to become larger again.Air-flow enters from the first air inlet, between the bottom surface and lower end board of approach blade inner segment, leeward disk with
Between lower end board, in this way setting can also increase suddenly to avoid the air-out area of air-flow cause very big air-flow remove lose with
And leading to air-flow velocity and pressure suddenly change, effect is more preferable.
3) the distance between second medial surface of first end face and lower end board of leeward disk described above is in radial direction
It is become larger outward by interior.Air-flow enters from the first air inlet, between the bottom surface and lower end board of approach blade inner segment, leeward disk
Between lower end board, setting can also increase suddenly in this way to avoid the air-out area of air-flow causes very big air-flow to remove loss
And leading to air-flow velocity and pressure suddenly change, effect is best.
4) several installation feet are set on the side panels, and installation foot is used for installation load, and the second end face of the installation foot is high
The third end face of lower end board out, advantageously reduces the contact surface of load Yu spiral case blower, and load is avoided to occur with spiral case blower
Resonance.
5) in the periphery protrusion annular convex platform of the first air inlet, the second of the 4th end face of the annular convex platform and installation foot
End face increases the contact area of spiral case blower and load, and the installation for being conducive to load is firm.
6) a kind of blower fan system effectively solves air-flow because of outlet air due to using the spiral case blower of the utility model description
Area increases the problem of causing very big air-flow to remove loss and lead to air-flow velocity and pressure suddenly change suddenly, avoids drawing
Asthma stream and biggish rotational noise are played, avoids that blower fan system is caused to generate noise and vibration, improves the totality of blower fan system
Efficiency.
Detailed description of the invention:
Fig. 1 is the perspective view for the spiral case blower that the utility model background technique provides；
Fig. 2 is the perspective view for another angle of spiral case blower that the utility model background technique provides；
Fig. 3 is the diagrammatic cross-section for the spiral case blower that the utility model background technique provides；
Fig. 4 is the perspective view for the spiral case blower that the utility model embodiment one provides；
Fig. 5 is the perspective view for another angle of spiral case blower that the utility model embodiment one provides；
Fig. 6 is the bottom view for the spiral case blower that the utility model embodiment one provides；
Fig. 7 is the cross-sectional view of A-A in Fig. 6；
Fig. 8 is the partial enlarged view of B in Fig. 7；
Fig. 9 is the partial enlarged view of C in Fig. 7；
Figure 10 is the explosive view for the spiral case blower that the utility model embodiment one provides；
Figure 11 is the perspective view for the blower fan system that the utility model embodiment two provides；
Figure 12 is the diagrammatic cross-section for the blower fan system that the utility model embodiment two provides.
Specific embodiment:
The utility model is described in further detail below by specific embodiment and in conjunction with attached drawing.
Embodiment one:
As shown in Fig. 4 to Figure 10, a kind of spiral case blower, including spiral case 1 and wind wheel 2, the spiral case 1 include upper end plate
11, lower end board 12 and the side panel 13 being connected between upper end plate 11 and lower end board 12, upper end plate 11, lower end board
12 and side panel 13 surround cavity 14, wind wheel 2 is mounted in cavity 14, the lower end board 12 be equipped with the first air inlet 15,
Side panel 13 is equipped with the first air outlet 16, and the wind wheel 2 is including windward disk 21, leeward disk 22 and connects 21 and of disk that is in the wind
Several blades 23 between leeward disk 22 are equipped with the second air inlet 24, shape between adjacent two blade 23 at the middle part of leeward disk 22
At air duct 25, first air inlet 15, the second air inlet 24, air duct 25, the first air outlet 16 are connected to cavity 14, the leaf
Piece 23 divides for blade inner segment 231 and blade outer segment 232, belongs to blade outer segment 232 radially beyond the blade 23 of windward disk 21, is located at
Belong to blade inner segment 231, the top surface 2321 of the blade outer segment 232 and the first of upper end plate 11 within second air inlet 24
The distance between medial surface 111 H1 is become larger in radial direction by interior outward.
Preferably, the middle part of the upper end plate 11 is equipped with the recess portion 112 to 14 indent of cavity, the outside of upper end plate 11
113 are gradually offset up outward by interior.
Preferably, the top surface 2321 of the blade outer segment 232 is plane.
Preferably, the outside 113 of the upper end plate 11 is a curved slab.
Preferably, the distance between the second medial surface 121 of the bottom surface 2311 of the blade inner segment 231 and lower end board 12
H2 first equal is become larger in radial direction by interior again outward.
Preferably, the distance between the second medial surface 121 of first end face 221 Yu lower end board 12 of the leeward disk 22
H3 is become larger in radial direction by interior outward.
Preferably, the second medial surface 121 and the second lateral surface 122 of the lower end board 12 are a curved surfaces.
Preferably, several installation feet 131, the second end face 1311 of the installation foot 131 are set on the side panel 13
It is higher by the third end face 124 of lower end board 12.
Preferably, first air inlet 15 periphery protrusion annular convex platform 123, the 4th of the annular convex platform 123 the
End face 1231 is flushed with the second end face 1311 of installation foot 131.
Embodiment two:
As is illustrated by figs. 11 and 12, a kind of blower fan system, including spiral case blower and motor 3, the spiral case blower includes snail
Shell 1 and wind wheel 2, motor 3 are mounted on the upper end plate 11 of spiral case 1, and the output shaft 31 of motor 3 passes through upper end plate 11 and wind wheel
2 transmission connections, the spiral case blower is a kind of spiral case blower described in embodiment one.
Above embodiments are better embodiment of the invention, and embodiments of the present invention are not limited thereto, other are any
Made changes, modifications, substitutions, combinations, simplifications without departing from the spirit and principles of the present invention are equivalent displacement side
Formula is included within the scope of the present invention.
Claims (10)
1. a kind of spiral case blower, including spiral case (1) and wind wheel (2), the spiral case (1) include upper end plate (11), lower end board
(12) and the side panel (13) that is connected between upper end plate (11) and lower end board (12), upper end plate (11), lower end board
(12) it is surrounded cavity (14) with side panel (13), it is inner that wind wheel (2) is mounted on cavity (14), and the lower end board (12) is equipped with the
One air inlet (15), side panel (13) are equipped with the first air outlet (16), and the wind wheel (2) includes windward disk (21), leeward disk
(22) and several blades (23) being in the wind between disk (21) and leeward disk (22) are connected, is equipped at the middle part of leeward disk (22)
Second air inlet (24) forms air duct (25) between adjacent two blade (23), first air inlet (15), the second air inlet
(24), air duct (25), the first air outlet (16) are connected to cavity (14), and each blade (23) includes blade inner segment (231)
With blade outer segment (232), belong to blade outer segment (232) radially beyond the blade (23) of windward disk (21), is located at the second air inlet
(24) belong to blade inner segment (231) within, it is characterised in that: the top surface (2321) and upper surface of the blade outer segment (232)
The distance between the first medial surface (111) of plate (11) H1 is become larger in radial direction by interior outward.
2. a kind of spiral case blower according to claim 1, it is characterised in that: the middle part of the upper end plate (11) be equipped with to
The recess portion (112) of cavity (14) indent, the outside (113) of upper end plate (11) are gradually offset up outward by interior.
3. a kind of spiral case blower according to claim 2, it is characterised in that: the top surface of the blade outer segment (232)
It (2321) is plane.
4. a kind of spiral case blower according to claim 1 or 2 or 3, it is characterised in that: the outside of the upper end plate (11)
It (113) is a curved slab.
5. a kind of spiral case blower according to claim 2, it is characterised in that: the bottom surface of the blade inner segment (231)
(2311) with the distance between the second medial surface (121) of lower end board (12) H2 radial direction by it is interior it is first equal outward again by
Gradual change is big.
6. a kind of spiral case blower according to claim 5, it is characterised in that: the first end face of the leeward disk (22)
(221) it is become larger outward in radial direction by interior with the distance between the second medial surface (121) of lower end board (12) H3.
7. a kind of spiral case blower according to claim 6, it is characterised in that: the second medial surface of the lower end board (12)
(121) and the second lateral surface (122) is a curved surface.
8. a kind of spiral case blower described according to claim 1 or 2 or 3 or 5 or 6 or 7, it is characterised in that: in the side panel
(13) it is arranged on several installation feet (131), the second end face (1311) of the installation foot (131) is higher by the of lower end board (12)
Three end faces (124).
9. a kind of spiral case blower according to claim 8, it is characterised in that: convex in the periphery of first air inlet (15)
Annular convex platform (123) out, the second end face of the 4th end face (1231) and installation foot (131) of the annular convex platform (123)
(1311) it flushes.
10. a kind of blower fan system, including spiral case blower and motor (3), the spiral case blower includes spiral case (1) and wind wheel (2), electricity
Machine (3) is mounted on the upper end plate (11) of spiral case (1), and the output shaft (31) of motor (3) passes through upper end plate (11) and wind wheel
(2) it is sequentially connected, it is characterised in that: the spiral case blower is a kind of snail described in claim 1 to 9 any one claim
Shell blower.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821385509.2U CN208778298U (en) | 2018-08-27 | 2018-08-27 | A kind of spiral case blower and its blower fan system of application |
| PCT/CN2019/076272 WO2020042550A1 (en) | 2018-08-27 | 2019-02-27 | Volute fan and fan system using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821385509.2U CN208778298U (en) | 2018-08-27 | 2018-08-27 | A kind of spiral case blower and its blower fan system of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778298U true CN208778298U (en) | 2019-04-23 |
Family
ID=66158538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821385509.2U Active CN208778298U (en) | 2018-08-27 | 2018-08-27 | A kind of spiral case blower and its blower fan system of application |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208778298U (en) |
| WO (1) | WO2020042550A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042550A1 (en) * | 2018-08-27 | 2020-03-05 | 中山大洋电机股份有限公司 | Volute fan and fan system using same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008072516A1 (en) * | 2006-12-11 | 2008-06-19 | Mitsuba Corporation | Cooling fan |
| ES2378207B2 (en) * | 2007-03-14 | 2013-02-15 | Mitsubishi Electric Corporation | CENTRIFUGAL FAN AIR CONDITIONER. |
| KR20120023319A (en) * | 2010-09-02 | 2012-03-13 | 엘지전자 주식회사 | A turbo fan for air conditioner |
| CN104074797B (en) * | 2013-03-25 | 2017-05-24 | 华硕电脑股份有限公司 | Impeller and fan using the same |
| JP2018193892A (en) * | 2017-05-15 | 2018-12-06 | 日本電産株式会社 | Blowing apparatus |
| CN208778298U (en) * | 2018-08-27 | 2019-04-23 | 中山大洋电机股份有限公司 | A kind of spiral case blower and its blower fan system of application |
-
2018
- 2018-08-27 CN CN201821385509.2U patent/CN208778298U/en active Active
-
2019
- 2019-02-27 WO PCT/CN2019/076272 patent/WO2020042550A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042550A1 (en) * | 2018-08-27 | 2020-03-05 | 中山大洋电机股份有限公司 | Volute fan and fan system using same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020042550A1 (en) | 2020-03-05 |
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