CN107956743B - Fixed impeller of fan - Google Patents
Fixed impeller of fan Download PDFInfo
- Publication number
- CN107956743B CN107956743B CN201711387708.7A CN201711387708A CN107956743B CN 107956743 B CN107956743 B CN 107956743B CN 201711387708 A CN201711387708 A CN 201711387708A CN 107956743 B CN107956743 B CN 107956743B
- Authority
- CN
- China
- Prior art keywords
- air
- air inlet
- guide plate
- inlet guide
- motor
- 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.)
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Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- 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
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid 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
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Wind Motors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fixed impeller of a fan, which comprises: the center of the air guide disc is provided with a shaft hole penetrating through the upper surface and the lower surface of the air guide disc; the wind-guiding dish is equipped with the air inlet deflector that runs through from top to bottom, the air inlet deflector is rotatory to extend from the upper surface of wind-guiding dish downwards and is linked together to the below of wind-guiding dish, the outer fringe of wind-guiding dish is equipped with the tooth portion that upwards extends, tooth portion is equipped with the vice air inlet deflector that extends to the inboard and is located the air inlet deflector top of air inlet direction upper reaches. According to the invention, the air guide is smoother, the air outlet flow channel is prolonged, cold air can be better guided into the motor from the motor waist-shaped hole along the flow channel, the motor is better cooled, the temperature rise is reduced, the service life of the motor is prolonged, meanwhile, the air outlet collision is reduced due to the extension of the flow channel, and the vibration and noise of the motor are reduced.
Description
Technical Field
The invention relates to the field of fans, in particular to a fixed impeller of a fan.
Background
Fans are generally composed of two main parts, namely a motor part and an impeller part, which in turn comprises two main parts: a movable impeller and a fixed impeller. The impeller generates whirlwind when rotating at high speed; the fixed impeller, also called as the inducer, mainly aims at enabling the high-speed whirlwind generated by the movable impeller to be released more smoothly, and whether the fixed impeller air duct is reasonable in design directly influences the air guiding efficiency and effect.
In practical application, the existing stator vane mainly has the following problems: the air guiding effect is poor; the air outlet is easy to form return air, the air outlet is irregular, and the motor is large in vibration and noise. In view of this, it is necessary to develop a fixed impeller of a fan to solve the above problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the fixed impeller of the fan, which enables air guiding to be smoother, prolongs an air outlet runner, enables cold air to be better led into the motor from a motor waist-shaped hole along the runner, better cools the motor, reduces temperature rise, prolongs the service life of the motor, simultaneously prolongs the runner, reduces air outlet collision, and reduces motor vibration and noise.
To achieve the above objects and other advantages and in accordance with the purpose of the invention, there is provided a stator vane of a blower, comprising:
the wind-guiding dish is equipped with the air inlet deflector that runs through from top to bottom, the air inlet deflector is rotatory to extend from the upper surface of wind-guiding dish downwards and is linked together to the below of wind-guiding dish, the outer fringe of wind-guiding dish is equipped with the tooth portion that upwards extends, tooth portion is equipped with the vice air inlet deflector that extends to the inboard and is located the air inlet deflector top of air inlet direction upper reaches.
Preferably, the tooth portion is formed by two adjacent sections of guiding curved surfaces, and the guiding curved surfaces comprise: a first curved surface extending obliquely downward and rising smoothly at one end thereof; and the second curved surface extends vertically upwards, wherein the second curved surface is smoothly connected with one end of the first curved surface.
Preferably, the descending trend of the first curved surface is consistent with the descending trend of the air inlet guide plate.
Preferably, the auxiliary air inlet guide plate is connected with the air inlet guide plate at the downstream of the air inlet direction in a sliding manner.
Preferably, the tail end of the air inlet guide plate continues to horizontally extend to form the rectifying plate.
Preferably, a hollowed-out area is arranged on the outer side of the rectifying plate, and the hollowed-out area is shielded above one of the adjacent auxiliary air inlet guide plates.
Preferably, the lower surface of the air guide disc is vertically extended downwards to form a plurality of air outlet guide plates which are connected with the air guide disc and the inner side wall of the air inlet guide plate.
Preferably, an air outlet flow channel is formed between the two adjacent air outlet guide plates.
Preferably, the air outlet flow passage extends from the outer edge of the shaft hole to the air inlet guide plate in a spiral mode.
Compared with the prior art, the invention has the beneficial effects that:
the motor cooling device has the advantages that the air guiding is smoother, the air outlet flow channel is prolonged, cold air can be better led into the motor from the motor waist-shaped holes along the flow channel, the motor is better cooled, the temperature rise is reduced, the service life of the motor is prolonged, meanwhile, the air outlet collision is reduced due to the extension of the flow channel, and the motor vibration and noise are reduced.
Drawings
FIG. 1 is a perspective view of a motor mated with a stator impeller in accordance with an embodiment of the present invention;
fig. 2 is a perspective view of a motor according to an embodiment of the present invention;
FIG. 3 is a top view of a stator vane of a wind turbine according to the present invention;
FIG. 4 is a bottom view of a stationary impeller of a wind turbine according to the present invention;
FIG. 5 is a front view of a stator impeller of a wind turbine according to the present invention;
FIG. 6 is a perspective view of a stator impeller of a wind turbine according to the present invention at a first viewing angle at which the upper surface structure of the stator impeller can be easily observed;
fig. 7 is a perspective view of a stator vane of a blower according to the present invention at a second view angle at which a lower surface structure of the stator vane can be easily observed.
Reference numerals illustrate:
1-fixing an impeller; 2-an electric motor;
11-air guiding disc, 12-skirt, 13-air outlet guide plate, 14-air outlet runner and 15-mounting column;
21-motor shell, 22-motor power output shaft, 221-motor top waist-shaped hole, 222-motor bottom waist-shaped hole;
111-shaft holes, 112-air inlet guide plates;
121-tooth parts, 122-auxiliary air inlet guide plates;
1121-an air guide port and 1122-a rectifying plate;
1211-a first curved surface, 1212-a second curved surface.
Detailed Description
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a device for practicing the invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the top-to-bottom dimension, "width" corresponds to the left-to-right dimension, and "depth" corresponds to the front-to-back dimension. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms (e.g., "connected" and "attached") referring to an attachment, coupling, etc., refer to a relationship wherein these structures are directly or indirectly secured or attached to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
Referring to fig. 1 to 4, a stator impeller 1 of a fan includes:
the center of the disc-shaped air guide disc 11 is provided with a shaft hole 111 penetrating through the upper surface and the lower surface of the disc-shaped air guide disc; and
a skirt 12, the skirt 12 integrally combining the wind-guiding plate 11 on an outer circumference of the wind-guiding plate 11 and extending downward from the outer circumference of the wind-guiding plate 11.
Wherein, the upper surface of the air guiding plate 11 is formed with a plurality of air inlet guide plates 112 arranged along the circumferential direction near the skirt 12, and the air inlet guide plates 112 spirally extend from the upper surface of the air guiding plate 11 to the lower side of the air guiding plate 11 to form air guiding holes 1121 penetrating the air guiding plate 11 vertically. In the present invention, both the upper and lower sides are relative to the view angle shown in fig. 5. The spiral descending air inlet air deflector can enable the air formed by the rotation of the movable impeller to be smoothly guided to the air guide port 1121 through the air inlet guide plate 112, so that the collision between the cyclone and the air guide disc 11 is reduced, and the loss of cyclone energy is reduced, and meanwhile, the vibration and noise are reduced.
Further, the end of the air intake guide plate 112 continues to extend horizontally to form a rectifying plate 1122. The rectification plate 1122 enables the high-speed air flow flowing out from the air guide port 1121 to flow out more smoothly, so as to reduce the air outlet noise, the outer side of the air inlet guide plate 112 is connected with the skirt 12, the outer side of the rectification plate 1122 is hollowed out, and the hollowed-out area is shielded above by one of the adjacent auxiliary air inlet guide plates 122.
Referring to fig. 4, the lower surface of the air guiding disc 11 is vertically extended downward to form a plurality of air outlet guide plates 13 connecting the air guiding disc 11 and the inner side walls of the air inlet guide plates 112, and the air inlet guide plates 112 are centrifugally rotated inward to extend to the outer edge of the shaft hole 111.
Referring to fig. 7, two adjacent air outlet guide plates 13 are spaced apart by a certain distance to form an air outlet flow passage 14 therebetween. Therefore, the high-speed air flow at the air guide port 1121 can be smoothly led into the air outlet flow channel 14, the air outlet flow channel 14 spirally extends to the air guide port 1121 from the outer edge of the shaft hole 111, the air outlet flow channel 14 is prolonged, cold air can be better led into the motor from the motor waist-shaped hole along the flow channel, the motor can be better cooled, the temperature rise is reduced, and the service life of the motor is prolonged.
In a preferred embodiment, the air outlet flow passage 14 descends helically from the air guide port 1121.
Further, at least three mounting posts 15 extending vertically downward are formed at the edge of the lower surface of the air guiding plate 11. In the preferred embodiment, three mounting posts 15 are provided uniformly in the circumferential direction of the air guide plate 11.
Referring to fig. 5 and 6, a plurality of teeth 121 extending upward from the skirt 12 are integrally formed on the outer periphery of the air guide disk 11, and the teeth 121 are formed of two adjacent guide curved surfaces, the guide curved surfaces including:
a first curved surface 1211 extending obliquely downward and rising smoothly at one end thereof; and
and a second curved surface 1212 extending vertically upwards, wherein the junction of the second curved surface 1212 and the first curved surface is a smooth junction.
Further, the downward trend of the first curved surface 1211 is consistent with the downward trend of the air inlet guide plate 112, a secondary air inlet guide plate 122 is integrally formed between the top end of the air inlet guide plate 112 and the top end of the tooth portion 121, the secondary air inlet guide plate 122 extends inwards from the tooth portion 121, and the secondary air inlet guide plate 122 is smoothly connected with the air inlet guide plate 112 at the downstream of the air inlet direction and is positioned above the air inlet guide plate 112 at the upstream of the air inlet direction. The teeth 121 and the sub-air guide plate 122 are set so that the cyclone can smoothly enter the air guide port 1121.
The secondary air inlet guide plate 122 of the tooth 121 shields the hollow area between the skirt 12 and one of the adjacent rectifying plates 1122 in the vertical direction, which is helpful for the air inlet guide plate 112 and the air outlet flow channel 14 to suck air flow and improve the inflow efficiency of the air flow.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (6)
1. A stator impeller (1) of a fan, comprising:
the center of the air guide disc (11) is provided with a shaft hole (111) penetrating through the upper surface and the lower surface of the air guide disc;
the air guide plate (11) is provided with an air inlet guide plate (112) penetrating up and down, and the air inlet guide plate (112) is communicated to the lower part of the air guide plate (11) in a downward rotating extending manner from the upper surface of the air guide plate (11) so as to form an air guide opening (1121) penetrating up and down through the air guide plate (11);
the method is characterized in that: the outer edge of the air guide disc is provided with an upward extending tooth part (121), the tooth part (121) is provided with a secondary air inlet guide plate (122) extending inwards, the secondary air inlet guide plate (122) is positioned at the upstream of the air inlet direction and above the air inlet guide plate (112), the secondary air inlet guide plate (122) is smoothly connected with the air inlet guide plate (112) at the downstream of the air inlet direction, and the secondary air inlet guide plate (122) and the tooth part (121) jointly form a semi-wrapping structure for guiding air inlet;
the tail end of the air inlet guide plate (112) continues to extend to form a rectifying plate (1122);
the outside of rectifying plate (1122) is equipped with the fretwork area, and adjacent one of them vice air inlet deflector (122) is above shielding this fretwork area.
2. The stator impeller of a fan as claimed in claim 1, characterized in that the tooth (121) is constituted by two adjacent segments of guiding curved surfaces, comprising: a first curved surface 1211 extending obliquely downward and rising smoothly at one end thereof; and a second curved surface (1212) extending vertically upward, wherein the second curved surface (1212) is smoothly connected to one end of the first curved surface.
3. The stator impeller of the fan as claimed in claim 2, wherein the downward trend of the first curved surface (1211) coincides with the downward trend of the air intake guide plate (112).
4. The stator impeller of the fan according to claim 1, wherein the lower surface of the air guiding disc (11) extends downwards and vertically to form a plurality of air outlet guide plates (13) which connect the air guiding disc (11) with the inner side walls of the air inlet guide plates (112).
5. A stator blade wheel of a fan according to claim 4, characterized in that an air outlet flow channel (14) is formed between two adjacent air outlet guide plates (13).
6. The stator impeller of the fan as claimed in claim 5, wherein the air outlet flow passage (14) extends spirally from the outer edge of the shaft hole (111) to the air inlet guide plate (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387708.7A CN107956743B (en) | 2017-12-20 | 2017-12-20 | Fixed impeller of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387708.7A CN107956743B (en) | 2017-12-20 | 2017-12-20 | Fixed impeller of fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107956743A CN107956743A (en) | 2018-04-24 |
| CN107956743B true CN107956743B (en) | 2024-03-22 |
Family
ID=61955614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711387708.7A Active CN107956743B (en) | 2017-12-20 | 2017-12-20 | Fixed impeller of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107956743B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181653A (en) * | 1996-10-28 | 1998-05-13 | 埃米特克有限公司 | Motor having universal fan end bracket |
| CN1409465A (en) * | 2001-10-01 | 2003-04-09 | 埃米特克有限公司 | Motor and electric brush holder |
| JP2003219608A (en) * | 2002-01-18 | 2003-07-31 | Toshiba Tec Corp | Electric blower |
| CN101330233A (en) * | 2007-06-20 | 2008-12-24 | 乐金电子(天津)电器有限公司 | Fan housing structure of motor |
| CN201478940U (en) * | 2009-07-20 | 2010-05-19 | 金莱克电气股份有限公司 | Dust collector motor |
| CN202701969U (en) * | 2011-05-26 | 2013-01-30 | 布莱克和戴克公司 | Power tool and particle discharge system for power tool |
| CN204334228U (en) * | 2015-01-27 | 2015-05-13 | 台山市江口电器制造有限公司 | A kind of series excited machine |
| CN208057499U (en) * | 2017-12-20 | 2018-11-06 | 莱克电气股份有限公司 | Fixed impeller of fan |
-
2017
- 2017-12-20 CN CN201711387708.7A patent/CN107956743B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181653A (en) * | 1996-10-28 | 1998-05-13 | 埃米特克有限公司 | Motor having universal fan end bracket |
| CN1409465A (en) * | 2001-10-01 | 2003-04-09 | 埃米特克有限公司 | Motor and electric brush holder |
| JP2003219608A (en) * | 2002-01-18 | 2003-07-31 | Toshiba Tec Corp | Electric blower |
| CN101330233A (en) * | 2007-06-20 | 2008-12-24 | 乐金电子(天津)电器有限公司 | Fan housing structure of motor |
| CN201478940U (en) * | 2009-07-20 | 2010-05-19 | 金莱克电气股份有限公司 | Dust collector motor |
| CN202701969U (en) * | 2011-05-26 | 2013-01-30 | 布莱克和戴克公司 | Power tool and particle discharge system for power tool |
| CN204334228U (en) * | 2015-01-27 | 2015-05-13 | 台山市江口电器制造有限公司 | A kind of series excited machine |
| CN208057499U (en) * | 2017-12-20 | 2018-11-06 | 莱克电气股份有限公司 | Fixed impeller of fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107956743A (en) | 2018-04-24 |
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