CN104948502B - The guiding device of receded disk impeller - Google Patents
The guiding device of receded disk impeller Download PDFInfo
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- CN104948502B CN104948502B CN201410116327.5A CN201410116327A CN104948502B CN 104948502 B CN104948502 B CN 104948502B CN 201410116327 A CN201410116327 A CN 201410116327A CN 104948502 B CN104948502 B CN 104948502B
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- impeller
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- air outlet
- casing
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Abstract
The present invention relates to a kind of guiding device of receded disk impeller, including：One air intake casing, the air intake casing axially provides an air inlet；And, one air outlet casing, the air outlet casing axially provides an exhaust outlet, the air intake casing is fixedly arranged on the air outlet casing, and in being internally formed an accommodation space, one impeller of installing and a motor inside the accommodation space, all face rings of the accommodation space set several flow deflectors, respectively the flow deflector is to wait angular distance to be circumferentially formed the impeller periphery, and respectively the flow deflector is in plural curvature shape and extended by radially switching to axial direction towards the exhaust outlet；Whereby, curved surface of the gyration airflow produced by the impeller along the respectively flow deflector flows toward the motor rear end, and when air-flow, which reaches the motor, is contracted to the exhaust outlet, most gyration airflows have switched to axial flow.
Description
Technical field
The present invention is applied to the technical field of receded disk impeller, and espespecially it technically provides a kind of water conservancy diversion of receded disk impeller
Device, effective axial flow is changed into by the respectively flow deflector by gyration airflow.
Background technology
General blower fan is divided into the axial-flow type (axial type) of high flow capacity and the centrifugal (centrifugal of high static pressure
type).The advantage of centrifugal fan high static pressure is applied to outlet contraction or the complicated flow field of pipeline.Centrifugal fan be divided into again into
Air port and the whirlpool type blower fan that exhaust outlet is in 90 degree, and air inlet and exhaust outlet are all in the pipeline fan of impeller axial direction.Refering to Fig. 1
Shown, the impeller 13 of motor 14 in pipeline fan is rotated, and air-flow is sucked by air inlet 10 and gyration airflow is formed, convolution
Diffusion face 11 of the air-flow along air intake casing 12 expands (diffuse) and part kinetic energy is changed into static pressure, and this static pressure is by air-flow
Push, then concentrated by the face 15 of collecting of air outlet casing 17 toward air outlet, flowed out by exhaust outlet 16.Only, conventional pipelines blower fan is leaned on
The kinetic energy of gyration airflow can not be changed into static pressure completely by diffusion face 11, cause still to possess during air-flow to exhaust outlet 16 many convolutions dynamic
Can and effective axial flow can not be changed into, have the necessity improved in fact.
The kinetic energy of gyration airflow can not be changed into static pressure completely by known pipeline fan by diffusion face, cause air-flow to exhaust outlet
When still possess it is many convolution kinetic energy and effective axial flow can not be changed into, have the necessity improved in fact.
The content of the invention
It is an object of the invention to provide a kind of guiding device of receded disk impeller, to solve lacking for prior art presence
Fall into, it can be oriented to impeller wind-force, form more axial flows, improve efficiency.
To achieve the above object, the invention discloses a kind of guiding device of receded disk impeller, it is characterised in that including：
One air intake casing, the air intake casing axially provides an air inlet；And,
One air outlet casing, the air outlet casing axially provides an exhaust outlet, and the air intake casing is fixedly arranged on the air outlet
Casing, and in being internally formed an accommodation space, one impeller of installing and a motor inside the accommodation space, the impeller are arranged on the appearance
In direction of rotation and around axial-rotation between being empty and by motor driving, all face rings of the accommodation space set several flow deflectors, respectively should
Flow deflector system is integrally formed the internal perisporium in the air intake casing or the air outlet casing, and respectively the flow deflector is with grade angular distance
Ring-type is arranged at the impeller periphery, and respectively the flow deflector is axially extended by radially switching to towards the exhaust outlet, to form tool one windward
One of end and an air-supply end concave curved surface, the concave curved surface is in plural curvature shape, and the windward side originates in the air outlet of the impeller, should
End blow towards exhaust outlet extension and the segment distance of air outlet one of the remote impeller, the face of the impeller towards the air outlet casing is provided with
One in 90 degree of Plane of rotation, the windward side and the Plane of rotation with axially forming a first angle θ1, first angle θ1System is in
0 degree to 45 degree, one second angle θ of the air-supply end and Plane of rotation formation2, second angle θ2System is in 70 degree to 90 degree.
Wherein, respectively the flow deflector is integrally formed with the air outlet casing.
Wherein, the windward side is slightly below the air outlet of the impeller.
Also disclose a kind of guiding device of receded disk impeller, it is characterised in that including：
One shell, the enclosure leading portion sets an impeller and a starter motor, and the enclosure stage casing sets a combustion chamber, should
Enclosure back segment installs a turbine；And,
Number flow deflectors and the shell are integrally formed, and with etc. angular distance be circumferentially formed the shell internal perisporium, each flow deflector
The impeller periphery is located on, and respectively the flow deflector is axially extended by radially switching to towards the shell back segment, to form one windward side of tool
And air-supply one of an end concave curved surface, the concave curved surface is in plural curvature shape, and the windward side originates in the air outlet of the impeller, and this send
Wind end extends and the segment distance of air outlet one away from the impeller towards the shell back segment, and the impeller is provided with one towards the face of the shell back segment
Plane of rotation with being in axially 90 degree, the windward side and the Plane of rotation are set in 0 degree to 45 degree angle, the air-supply end and the rotation
Turn plane to set in 70 degree to 90 degree angles.
Wherein, the windward side is slightly below the air outlet of the impeller.
By said structure, the guiding device of receded disk impeller of the invention, by the setting of flow deflector, is produced impeller
Curved surface of the raw gyration airflow along the respectively flow deflector is flowed toward the motor rear end, and the air draft is contracted to when air-flow reaches the motor
During mouth, most gyration airflows have switched to axial flow；Moreover, the gyration airflow produced by the impeller is via the respectively water conservancy diversion
Switch to axial flow and static pressure after piece, the burning intraventricular pressure can be lifted, make the improved efficiency of turbogenerator.
Brief description of the drawings
Fig. 1：The flow field schematic diagram of conventional pipelines blower fan.
Fig. 2：The stereo appearance figure of first embodiment of the invention.
Fig. 3：The three-dimensional exploded view of first embodiment of the invention.
Fig. 4：The sectional view of first embodiment of the invention.
Fig. 5：The flow field schematic diagram of first embodiment of the invention.
Fig. 6：The air outlet velocity that first embodiment of the invention installs before and after flow deflector additional compares figure.
Fig. 7：The rate of discharge that first embodiment of the invention installs before and after flow deflector additional compares figure.
Fig. 8：The three-dimensional cutaway view of second embodiment of the invention.
Fig. 9：Second embodiment of the invention installs the combustion chamber inner pressure ratio relatively figure before and after flow deflector additional.
Embodiment
Refering to shown in Fig. 2 to Fig. 7, first embodiment of the invention provides a kind of guiding device of receded disk impeller, is applied to
Pipeline fan, including：One air intake casing 21, the air intake casing 21 axially provides an air inlet 20.
One air outlet casing 25, the air outlet casing 25 axially provides an exhaust outlet 26, and the air intake casing 21 is fixedly arranged on
The air outlet casing 25, and in being internally formed an accommodation space 27, an impeller 23 and a motor are installed in the inside of accommodation space 27
24, the impeller 23 is arranged on the accommodation space 27 and driven by the motor 24 in direction of rotation and around axial-rotation, and this is housed
The 27 weeks face rings in space set several flow deflectors 22, and respectively the flow deflector 22 is to be integrally formed in the air intake casing 21 or the air draft
The internal perisporium of terminal shell 25, respectively the flow deflector 22 to be to wait angular distance to be circumferentially formed the periphery of impeller 23, and respectively the flow deflector 22 by
Radially switch to axially towards the exhaust outlet 26 extend, to form one of the windward side 30 of tool one and an air-supply end 32 concave curved surface 41, this is recessed
Curved surface 41 is in plural curvature shape, and the windward side 30 originates in the air outlet of the impeller 23, and the air-supply end 32 is towards the exhaust outlet 26
Extend and the segment distance of air outlet one away from the impeller 23, the impeller 23 is towards the face of the air outlet casing 25 provided with one with being in axially
90 degree of Plane of rotation 31, one first angle θ of the windward side 30 and the Plane of rotation 31 formation140, first angle θ140 be to be in
0 degree to 45 degree, one second angle θ of the air-supply end 32 and the Plane of rotation 31 formation242, second angle θ242 be in 70 degree extremely
90 degree.
Foregoing, respectively the flow deflector 22 is integrally formed with the air outlet casing 25.
Foregoing, the windward side 30 is slightly below the air outlet of the impeller 23.
Whereby, the motor 24 drives the impeller 23 to rotate, and makes gyration airflow produced by the impeller 23 along the respectively water conservancy diversion
The curved surface of piece 22 flows toward the rear end of motor 24, and its kinetic energy has part directly by radially switching to axial direction, and remaining kinetic energy then switchs to quiet
Pressure promotes air-flow to be moved toward the exhaust outlet 26, when air-flow, which reaches the motor 24, is contracted to the exhaust outlet 26, and most returns
Rotational gas flow has switched to axial flow.
The air outlet velocity that first embodiment of the invention installed additional before and after the flow deflector 22 is shown refering to Fig. 6 and compares figure, as a result
Display installs the front and rear air outlet velocity of the flow deflector 22 additional and the increased situation of approximately linear is presented as wheel speed rises, when the leaf
When taking turns 23 rotating speeds for 9000rpm, the air outlet velocity before the flow deflector 22 is installed additional for 13m/s, the outlet after the flow deflector 22 is installed additional
Wind speed has strengthened as 18.2m/s, and air outlet velocity about strengthens 40%.
The rate of discharge that first embodiment of the invention installed additional before and after the flow deflector 22 is shown refering to Fig. 7 and compares figure, as a result
Display installs the front and rear rate of discharge of the flow deflector 22 additional and the increased situation of approximately linear is presented as the rotating speed of impeller 23 rises, when
When the rotating speed of impeller 23 is 9000rpm, the rate of discharge before the flow deflector 22 is installed additional for 0.0313m3/ s, installs the flow deflector 22 additional
Rate of discharge afterwards has increased as 0.0441m3/ s, rate of discharge about increases by 41%.
Refering to shown in Fig. 8 to Fig. 9, second embodiment of the invention provides a kind of guiding device of receded disk impeller, is applied to
Small turbine engine (Turbine Engine), including：One shell 51, the inside leading portion of shell 51 sets an impeller 52 and together
Dynamic motor (not shown), the inside stage casing of shell 51 sets a combustion chamber 53, and the inside back segment of shell 51 installs a turbine 54.
Several flow deflectors 60 and the shell 51 are integrally formed, and respectively the flow deflector 60 is circumferentially formed in the shell 51 with grade angular distance
Perisporium, respectively the flow deflector 60 be located on the periphery of impeller 52, and respectively the flow deflector 60 by radially switching to axially towards after the shell 51
Duan Yanshen, to form one of the windward side 62 of tool one and an air-supply end 64 concave curved surface 63, the concave curved surface 63 is in plural curvature shape, again should
Windward side 62 originates in the air outlet of the impeller 52, and the air-supply end 64 extends and the air-out away from the impeller 52 towards the shell back segment
One segment distance of mouth, the impeller 52 is towards the face of the back segment of shell 51 provided with one and axially in 90 degree of Plane of rotation 70, the windward side
62 are set with the Plane of rotation 70 in 0 degree to 45 degree angle, and the air-supply end 64 and the Plane of rotation 70 are in 70 degree to 90 degree angles
Set.
When starting, the starter motor (not shown) drives the impeller 52 to rotate, and makes the gyration airflow produced by the impeller 52
The curved surface of the respectively flow deflector 60 is acted on, the kinetic energy of the gyration airflow switchs to axially flowing and static pressure, promotes air-flow toward the burning
Room 53 is moved, and is made the internal pressure of the combustion chamber 53 and is increased.Then by the combustion chamber 53 fuel oil is mixed with air-flow after light, most pusher
Move the turbine 54 and heat energy is changed into mechanical energy, the heating power that some mechanical can and continue to drive the impeller 52 to complete turbogenerator is followed
Ring.
Foregoing, the windward side 62 is slightly below the air outlet of the impeller 52.
Refering to Fig. 9 show second embodiment of the invention install additional the inner pressure ratio of combustion chamber 53 before and after the flow deflector 60 compared with
Figure, as a result display installs the front and rear internal pressure of combustion chamber 53 of the flow deflector 60 additional and non-linear increase is presented as the rotating speed of impeller 52 rises
Plus situation, when the rotating speed of impeller 52 be 1.2 Mach when, installing the internal pressure of combustion chamber 53 before the flow deflector 60 additional is
19.42kpa, installing the internal pressure of combustion chamber 53 after the flow deflector 60 additional has increased as 24.87kpa, and the internal pressure of combustion chamber 53 about increases
Plus 28%.
Claims (5)
1. a kind of guiding device of receded disk impeller, it is characterised in that including：
One air intake casing, the air intake casing axially provides an air inlet；And,
One air outlet casing, the air outlet casing axially provides an exhaust outlet, and the air intake casing is fixedly arranged on the air outlet casing,
And in being internally formed an accommodation space, one impeller of installing and a motor inside the accommodation space, the impeller are arranged on the accommodating sky
Between and by motor driving in direction of rotation and around axial-rotation, the accommodation space week face ring set several flow deflectors, each water conservancy diversion
Piece system is integrally formed the internal perisporium in the air intake casing or the air outlet casing, and respectively the flow deflector is with grade angular distance ring-type
Be formed at the impeller periphery, and respectively the flow deflector is axially extended by radially switching to towards the exhaust outlet, with formed one windward side of tool and
One of one air-supply end concave curved surface, the concave curved surface is in plural curvature shape, and the windward side originates in the air outlet of the impeller, the air-supply
Hold towards the exhaust outlet extend and away from the impeller the segment distance of air outlet one, the impeller towards the face of the air outlet casing provided with one with
Axially in 90 degree of Plane of rotation, one first angle θ of the windward side and Plane of rotation formation1, first angle θ1System is in 0 degree
To 45 degree, one second angle θ of the air-supply end and Plane of rotation formation2, second angle θ2System is in 70 degree to 90 degree.
2. the guiding device of receded disk impeller as claimed in claim 1, it is characterised in that the respectively flow deflector and the air draft terminal
Shell is integrally formed.
3. the guiding device of receded disk impeller as claimed in claim 1, it is characterised in that the windward side be slightly below the impeller it
Air outlet.
4. a kind of guiding device of receded disk impeller, it is characterised in that including：
One shell, the enclosure leading portion sets an impeller and a starter motor, and the enclosure stage casing sets a combustion chamber, the shell
Internal back segment installs a turbine；And,
Number flow deflectors and the shell be integrally formed, and with etc. angular distance ring-type down enter the shell internal perisporium, respectively the flow deflector is located on
The impeller periphery, and respectively the flow deflector is axially extended by radially switching to towards the shell back segment, to form one windward side of tool and one send
One of wind end concave curved surface, the concave curved surface is in plural curvature shape, and the windward side originates in the air outlet of the impeller, the air-supply end court
The shell back segment extends and the segment distance of air outlet one away from the impeller, and the impeller is towards the face of the shell back segment provided with one and axial direction
In 90 degree of Plane of rotation, the windward side and the Plane of rotation are set in 0 degree to 45 degree angle, the air-supply end and the Plane of rotation
Set in 70 degree to 90 degree angles.
5. the guiding device of receded disk impeller as claimed in claim 4, it is characterised in that the windward side be slightly below the impeller it
Air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410116327.5A CN104948502B (en) | 2014-03-26 | 2014-03-26 | The guiding device of receded disk impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410116327.5A CN104948502B (en) | 2014-03-26 | 2014-03-26 | The guiding device of receded disk impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104948502A CN104948502A (en) | 2015-09-30 |
| CN104948502B true CN104948502B (en) | 2017-09-01 |
Family
ID=54163443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410116327.5A Expired - Fee Related CN104948502B (en) | 2014-03-26 | 2014-03-26 | The guiding device of receded disk impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104948502B (en) |
Families Citing this family (3)
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| CN211874765U (en) * | 2018-11-29 | 2020-11-06 | 曾固 | Centrifugal through-flow high-jet-speed water and mist injection device |
| CN111852949B (en) * | 2019-04-28 | 2022-05-03 | 广东美的环境电器制造有限公司 | Air supply device and air supply equipment |
| WO2021164778A1 (en) * | 2020-02-21 | 2021-08-26 | 曾德润 | In-water navigation body highspeed and efficient propulsion method and application |
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| GB1076785A (en) * | 1964-04-15 | 1967-07-19 | Howden James & Co Ltd | Improvements in or relating to centrifugal and mixed-flow fans, pumps and the like |
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| CN2698988Y (en) * | 2004-04-05 | 2005-05-11 | 季承 | Minisize turbojet engine |
| CN201053353Y (en) * | 2006-12-29 | 2008-04-30 | 深圳市康铖机械设备有限公司 | Mini turbine jet engine |
| CN101349277A (en) * | 2008-09-05 | 2009-01-21 | 铁道部运输局 | Mixed flow fan |
| CN102588143A (en) * | 2011-12-20 | 2012-07-18 | 张海涛 | Minitype turbofan engine |
| DE102011107557A1 (en) * | 2011-07-16 | 2013-01-17 | Volkswagen Aktiengesellschaft | Flow pump for use as centrifugal pump in automotive industry, has housing and pump wheel that is rotationally driven within pump chamber of housing, where one or more guide vanes are rotated not with pump wheel |
| CN202900707U (en) * | 2012-10-29 | 2013-04-24 | 江苏兆胜空调有限公司 | Air supply device of mixed flow blower |
| CN203362625U (en) * | 2013-07-29 | 2013-12-25 | 宁波狮球通风机电有限公司 | Circular pipeline draught fan |
| CN203394867U (en) * | 2013-06-08 | 2014-01-15 | 恩科（苏州）通风系统有限公司 | Ventilator with flow deflection structure |
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2014
- 2014-03-26 CN CN201410116327.5A patent/CN104948502B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1076785A (en) * | 1964-04-15 | 1967-07-19 | Howden James & Co Ltd | Improvements in or relating to centrifugal and mixed-flow fans, pumps and the like |
| GB2166494A (en) * | 1984-10-31 | 1986-05-08 | Wolter Masch & Apparate | Fan |
| US5511942A (en) * | 1993-11-04 | 1996-04-30 | Micronel Ag | Axial mini ventilator with parabolic guide vanes |
| CN1490514A (en) * | 2002-09-23 | 2004-04-21 | 北京航空航天大学 | Miniature turbine jet engines |
| CN2698988Y (en) * | 2004-04-05 | 2005-05-11 | 季承 | Minisize turbojet engine |
| CN201053353Y (en) * | 2006-12-29 | 2008-04-30 | 深圳市康铖机械设备有限公司 | Mini turbine jet engine |
| CN101349277A (en) * | 2008-09-05 | 2009-01-21 | 铁道部运输局 | Mixed flow fan |
| DE102011107557A1 (en) * | 2011-07-16 | 2013-01-17 | Volkswagen Aktiengesellschaft | Flow pump for use as centrifugal pump in automotive industry, has housing and pump wheel that is rotationally driven within pump chamber of housing, where one or more guide vanes are rotated not with pump wheel |
| CN102588143A (en) * | 2011-12-20 | 2012-07-18 | 张海涛 | Minitype turbofan engine |
| CN202900707U (en) * | 2012-10-29 | 2013-04-24 | 江苏兆胜空调有限公司 | Air supply device of mixed flow blower |
| CN203394867U (en) * | 2013-06-08 | 2014-01-15 | 恩科（苏州）通风系统有限公司 | Ventilator with flow deflection structure |
| CN203362625U (en) * | 2013-07-29 | 2013-12-25 | 宁波狮球通风机电有限公司 | Circular pipeline draught fan |
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| Publication number | Publication date |
|---|---|
| CN104948502A (en) | 2015-09-30 |
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