CN104819163B - A kind of marine fan structure - Google Patents
A kind of marine fan structure Download PDFInfo
- Publication number
- CN104819163B CN104819163B CN201510253202.1A CN201510253202A CN104819163B CN 104819163 B CN104819163 B CN 104819163B CN 201510253202 A CN201510253202 A CN 201510253202A CN 104819163 B CN104819163 B CN 104819163B
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- plate
- arc
- casing
- ring
- flat
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Links
- 238000009434 installation Methods 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 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
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
-
- 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
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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
- F04D29/30—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
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
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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
- F04D29/66—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
- F04D29/663—Sound attenuation
Abstract
The invention discloses a kind of marine fan structure, the casing includes the left casing for being symmetrical arranged and mutually separating and right casing；It is provided with the left casing on left-handed rotary impeller, the left casing and is provided with left driving motor, and the left driving motor drives the anticlockwise wheel rotation；It is provided with the right casing on dextrorotation rotary impeller, the right casing and is provided with right driving motor, and the right driving motor drives the right rotation wheel rotation；The side of the left casing is provided with left air inlet, and the left air inlet position just to the left-handed rotary impeller；Left air outlet is provided with the top of the left casing；The side of the right casing is provided with right air inlet, and the right air inlet position just to the dextrorotation rotary impeller；Right air outlet is provided with the top of the right casing.
Description
Technical field
The present invention relates to a kind of ventilator structure, more particularly to a kind of marine fan structure.
Background technology
Ventilation blower is the indispensable facility of modernization steamer.
Its structure includes casing and the ventilation blower being arranged in casing, air inlet is opened up in the side of the casing, in institute
State and air outlet is offered at the top of casing, the air-out direction of the air outlet just needs the place divulged information to cabin etc..But, it is existing
There is the marine fan in technology, its degraded performance, especially uneven operating and high speed enter wind-induced noise greatly, are not inconsistent
Close the requirement of energy-saving and environmental protection.
The content of the invention
There is provided a kind of marine fan structure for the drawbacks of present invention is directed to prior art.
Rotary blade, the rotation are provided with marine fan structure of the present invention, including casing, the casing
Impeller drives rotation by the motor being installed on casing；The side of the casing is provided with air inlet, in the machine
Air outlet is provided with the top of shell,
The casing includes the left casing for being symmetrical arranged and mutually separating and right casing；
It is provided with the left casing on left-handed rotary impeller, the left casing and is provided with left driving motor, and the left side
Motor drives the anticlockwise wheel rotation；
It is provided with the right casing on dextrorotation rotary impeller, the right casing and is provided with right driving motor, and the right side
Motor drives the right rotation wheel rotation；
The side of the left casing is provided with left air inlet, and the left air inlet position just to the left-handed rotary impeller；
Left air outlet is provided with the top of the left casing；
The side of the right casing is provided with right air inlet, and the right air inlet position just to the dextrorotation rotary impeller；
Right air outlet is provided with the top of the right casing.
In marine fan structure of the present invention, the left casing includes the arc in counter clockwise direction involute-type
Left spiral case and it is arranged at the left spiral case end of the arc and the left chimney fan tangent with the left spiral case end of the arc, the left air-out
The left air outlet of open communication of cylinder；
The right casing includes being in the right spiral case of arc of clockwise direction involute-type and is arranged at the right spiral case end of the arc
End and the right chimney fan tangent with the right spiral case end of the arc, the right air outlet of open communication of the right chimney fan；
The left chimney fan is set up in parallel with the right chimney fan, and the left spiral case of the arc is located at the left chimney fan
Left side, the right spiral case of the arc are located at the right side of the right chimney fan.
In marine fan structure of the present invention, the spindle central of the left-handed rotary impeller is located at the left snail of the arc
The basic circle center of circle of involute corresponding to shell；
The spindle central of the dextrorotation rotary impeller is located at the basic circle center of circle of the involute corresponding to the right spiral case of the arc.
In marine fan structure of the present invention, the left-handed rotary impeller include left back flat board, left front arc ring flat-plate,
And along the circumferential direction it is distributed in multiple left-leaning impeller between the left back flat board and left front arc ring flat-plate；Described left back flat
The left installation set for being provided centrally with the output shaft for being fixedly installed in left driving motor of plate；
The dextrorotation rotary impeller includes right rear plate, right front arc ring flat-plate and is along the circumferential direction distributed in behind the right side
Multiple Right deviation impeller between flat board and right front arc ring flat-plate；In being provided centrally with for being fixedly installed in for the right rear plate
The right installation set of the output shaft of right driving motor.
In marine fan structure of the present invention, the left front arc ring flat-plate includes left front annular flat underside, left front
Annular riser and the left front arc for being integrated the left front annular flat underside and left front annular riser smooth connection are connected
Plate；
Each left-leaning impeller is arranged between the left back flat board and left front arc ring flat-plate in divergence form counterclockwise；And
One side of left-leaning impeller is welded in left back flat board, and relative another side is welded in left front annular flat underside, left front arc and connected successively
Fishplate bar and left front annular riser；
The right front arc ring flat-plate include it is right before annular flat underside, it is right before annular riser and by it is described it is right before annular flat
The right front arc connecting plate that bottom plate and right preceding annular riser smooth connection are integrated；
Each Right deviation impeller is arranged between the right rear plate and right front arc ring flat-plate in divergence form clockwise；And
One side of Right deviation impeller is welded in right rear plate, and relative another side is welded in before the right side annular flat underside, right front arc and connected successively
Fishplate bar and right preceding annular riser.
In marine fan structure of the present invention, the external diameter of the left front annular flat underside is equal to the left back flat board
External diameter, and the axis of the left front annular flat underside overlaps with the axis of the left back flat board；
The left-leaning impeller is in hollow airfoil type, and it forms plane bottom plate and positioned at the plane bottom plate by a flat plate buckling
The arc plate on opposite, the edge of the straight bottom plate is welded in the inner side at the arc plate edge, with make the plane bottom plate and
Hollow area is formed between arc plate；The arc plate towards its direction of rotation outside, and its be located at the left front arc ring
Outer side edges between plate and left back flat board in level, inner side edge, from left back flat board, draw in the left by front arc ring flat-plate direction；
The external diameter of the right preceding annular flat underside is equal to the external diameter of the right rear plate, and annular flat underside before the right side
Axis is overlapped with the axis of the right rear plate；
The Right deviation impeller is in hollow airfoil type, and it forms plane bottom plate and positioned at the plane bottom plate by a flat plate buckling
The arc plate on opposite, the edge of the straight bottom plate is welded in the inner side at the arc plate edge, with make the plane bottom plate and
Hollow area is formed between arc plate；The arc plate towards its direction of rotation outside, and its be located at the right front arc ring
Outer side edges between plate and right rear plate in level, inner side edge, from right rear plate, draw in the right by front arc ring flat-plate direction.
In marine fan structure of the present invention, the left air inlet is integrally formed for cast aluminium, and it includes being used for admittedly
Dingan County is loaded on the left mounting plane ring portion of the side of left casing, extends and draw in the left mounting plane ring portion to the left casing
Left ring draw arc portion in and be arranged on left ring and draw the left side of arc portion end in and found ring portion；The outer rim quilt of the left front annular riser
The inner edge cladding of the left vertical ring portion；
The right air inlet is integrally formed for cast aluminium, and its right installation for including being used to be fixedly installed in the side of right casing is put down
Face ring portion, the right ring for extending and drawing in the right mounting plane ring portion to the right casing draw arc portion in and are arranged on right ring
Found ring portion in the right side for drawing arc portion end in；The outer rim of the right preceding annular riser is coated by the inner edge of the right vertical ring portion.
In marine fan structure of the present invention, in addition to housing side wall, the left casing and right casing are pacified respectively
Loaded on the housing side wall；
The housing side wall include upper left side plate and lower side and the upper right side plate being flexibly connected being flexibly connected and
Bottom right side plate；
And the lower side is flexibly connected with bottom right side plate, the upper left side plate is flexibly connected with upper right side plate.
In marine fan structure of the present invention, the left ring of the left air inlet, which draws arc portion surface rolling in, diameter
For multiple pits that 3 millimeters, depth are 1 millimeter, each pit is uniform with 5 millimeters of spacing each other；
The right ring of the right air inlet draw in arc portion surface rolling have a diameter of 3 millimeters, depth it is multiple recessed for 1 millimeter
Hole, each pit is uniform with 5 millimeters of spacing each other.
In marine fan structure of the present invention, the left ring of the left air inlet draws the laying of arc portion surface in and is fixed with
Disturb wind backing plate；The upper surface for disturbing wind backing plate is evenly equipped with multiple a diameter of 3 millimeters using spacing as 5 millimeters, is highly 1 millimeter
Hemisphere；
The right ring of the right air inlet draws the laying fixation of arc portion surface in and thankss for your hospitality wind backing plate；The upper surface for disturbing wind backing plate
Multiple a diameter of 3 millimeters are evenly equipped with using spacing as 5 millimeters, be highly 1 millimeter of hemisphere.
In marine fan structure of the present invention, because using binary symmetrical structure, counteracting anticlockwise can be balanced
Impeller and dextrorotation rotary impeller operation when centrifugal force, with effectively reduce ventilation blower operating when resonance so that reduce energy resource consumption,
Reduction operation noise, quieter and environmental protection.Meanwhile, using the arc volute structure of involute-type, take into full account that air exists
Operating path and energy expenditure in spiral case, both can ensure that air was blown out with maximum kinetic energy at air outlet, windage are reduced again
With the generation of noise.Moreover, flowing to the forward of the air of air inlet in the turbulence structure that left air inlet and right air inlet are set
More it is deep into inside air inlet, increases intake with this, reduces operation noise and improve air-out efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of marine fan of the present invention；
Fig. 2 is the structural representation of right housing part in marine fan of the present invention；
Fig. 3 is the structure schematic cross-sectional view of Right deviation impeller in marine fan of the present invention；
Fig. 4 is the contour structures schematic diagram of left casing in marine fan of the present invention；
Fig. 5 is the contour structures schematic diagram of right casing in marine fan of the present invention；
Fig. 6 is the structural representation of heretofore described right air inlet；
Fig. 7 draws the schematic cross-sectional view of arc portion in for the right ring of heretofore described right air inlet；
Fig. 8 draws the schematic cross-sectional view of arc portion in for the right ring of heretofore described right air inlet；
Fig. 9 is the setting schematic diagram of heretofore described Right deviation impeller.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
Rotary blade, the rotation are provided with marine fan structure of the present invention, including casing, the casing
Impeller drives rotation by the motor being installed on casing；The side of the casing is provided with air inlet, in the machine
Air outlet is provided with the top of shell.
Specifically, as shown in Figure 1 and Figure 2, the casing includes the left casing 2 for being symmetrical arranged and mutually separating and right machine
Shell 1.It is provided with the left casing 2 on left-handed rotary impeller (not shown), the left casing 2 and is provided with left driving motor
82, and the left driving motor 82 drives the anticlockwise wheel rotation.It is similar with foregoing left casing 2, in the right casing 1
Be provided with dextrorotation rotary impeller 15, the right casing 1 and be provided with right driving motor 81, and the right driving motor 81 drive it is described
Dextrorotation rotary impeller 15 is rotated.Matched, corresponding ECU is additionally provided with, the ECU controls left driving motor
82 and the co-ordination of right driving motor 81.
The side of the left casing 2 is provided with left air inlet (not shown), and the position of the left air inlet is just right
The left-handed rotary impeller, such a structure causes air intake shortest path, it is possible to increase air intake efficiency simultaneously reduces air intake noise；Described
The top of left casing 2 is provided with left air outlet 23.Equally, it is similar with foregoing left casing 2, set in the side of the right casing 1
Have a right air inlet 16, and the right air inlet 16 position just to the dextrorotation rotary impeller 15, such a structure causes air intake path most
It is short, it is possible to increase air intake efficiency simultaneously reduces air intake noise；The top of the right casing 1 is provided with right air outlet 13.
Marine fan structure of the present invention, because using binary symmetrical structure, can balance the left-handed rotating vane of counteracting
Centrifugal force when wheel and dextrorotation rotary impeller are run, effectively to reduce resonance during ventilation blower operating, so as to reduce energy resource consumption, drop
Low operation noise, quieter and environmental protection.
As shown in Figure 4, Figure 5, in marine fan structure of the present invention, the left casing 2 is included in side counterclockwise
To the left spiral case 2510 of the arc of involute-type and be arranged at the left spiral case end 2520 of the arc and with the left spiral case end of the arc
2520 tangent left chimney fans 2530, the left air outlet 23 of open communication of the left chimney fan 2530.Equally, the right casing 1
Including the right spiral case 1510 of arc in clockwise direction involute-type and be arranged at the right spiral case end 1520 of the arc and with the arc
The tangent right chimney fan 1530 in the right spiral case end 1520 of shape, the right air outlet 13 of open communication of the right chimney fan 1530.It is described
Left chimney fan 2530 is set up in parallel with the right chimney fan 1530, and the left spiral case 2510 of the arc is located at the left chimney fan
2530 left side, the right spiral case 1510 of the arc are located at the right side of the right chimney fan 1530.Using the arc snail of involute-type
Shell structure, has taken into full account operating path and energy expenditure of the air in spiral case, both can ensure that air with maximum kinetic energy from going out
Blown out at air port, the generation of windage and noise is reduced again.
Further, still as shown in Figure 4, Figure 5, the spindle central of the left-handed rotary impeller 25 is located at the left spiral case of the arc
The basic circle center of circle of involute corresponding to 2510.Rotating shaft and the output shaft of left driving motor 82 due to the left-handed rotary impeller 25
Direct connection, namely the output shaft 821 of left driving motor 82 also are located at the basic circle of the involute corresponding to the left spiral case 2510 of the arc
Circle centre position.Equally, the spindle central of the dextrorotation rotary impeller 15 is located at the involute corresponding to the right spiral case 1510 of the arc
The basic circle center of circle.Rotating shaft and the output shaft direct connection of right driving motor 81 due to the dextrorotation rotary impeller 15, namely right driving motor
81 output shaft 811 also is located at the basic circle circle centre position of the involute corresponding to the right spiral case 1510 of the arc.
As shown in Fig. 2 in marine fan structure of the present invention, the dextrorotation rotary impeller 15 is specifically included and put down behind the right side
Plate 151, right front arc ring flat-plate 153 and be along the circumferential direction distributed in the right rear plate 151 and right front arc ring flat-plate 153 it
Between multiple Right deviation impeller 152；In being provided centrally with for being fixedly installed in right driving motor 81 for the right rear plate 151
The right installation set 811 of output shaft.Equally, the left-handed rotary impeller include left back flat board, left front arc ring flat-plate and circumferentially side
To the multiple left-leaning impeller being distributed between the left back flat board and left front arc ring flat-plate；In the centrally disposed of the left back flat board
There is the left installation set for being fixedly installed in the output shaft of left driving motor.For balance movement, heretofore described left-leaning impeller
It is identical with the quantity of Right deviation impeller 152, depending on particular number can be according to the profile size of ventilation blower, discharge quantity of fan.
Specifically, the right front arc ring flat-plate 153 include it is right before annular flat underside 1531, it is right before annular riser 1533,
And the right front arc connecting plate for being integrated the annular smooth connection of riser 1533 before the right preceding annular flat underside 1531 and the right side
1532.To reduce windage, the right front arc ring flat-plate 153 is preferred to use punching press integral forming process and is made.Each Right deviation impeller
152 are arranged between the right rear plate 151 and right front arc ring flat-plate 153 in divergence form clockwise, i.e., as shown in figure 9, right
For per a piece of Right deviation impeller 152, its end is all to swing clockwise relative to head end.The Right deviation impeller 152
One side 1522 be welded in right rear plate 151, relative another side 1521 is welded in before the right side annular flat underside 1531 successively, it is right before
Arc pressuring plate 1532 and right preceding annular riser 1533.Equally, the left front arc ring flat-plate includes left front annular flat underside, a left side
Preceding annular riser and the left front arc for being integrated the left front annular flat underside and left front annular riser smooth connection are connected
Plate；Each left-leaning impeller is arranged between the left back flat board and left front arc ring flat-plate in divergence form counterclockwise；And it is left-leaning
One side of impeller is welded in left back flat board, relative another side be welded in successively left front annular flat underside, left front arc pressuring plate,
With left front annular riser.
To obtain in more preferable aerodynamic effect, the present invention, the external diameter of the right preceding annular flat underside 1531 is equal to
The external diameter of the right rear plate 151, and the axis weight of the axis and the right rear plate 151 of the right preceding annular flat underside 1531
Close.As shown in figure 3, the Right deviation impeller 152 is in hollow airfoil type, it forms plane bottom plate 182 and position by a flat plate buckling
Arc plate 181 in the opposite of plane bottom plate 182, the edge 183 of the straight bottom plate 182 is welded in the side of arc plate 181
The inner side of edge, to make formation hollow area 1582 between the plane bottom plate 182 and arc plate 181.It should be noted that in order to
Reduce operation noise and increase air outlet kinetic energy, the present invention in, also by the arc plate 181 towards its direction of rotation outside
(direct driving force is produced to air by the surface of arc plate 181), and it is after the right front arc ring flat-plate 153 and the right side
Outer side edges 1583 between flat board 151 in level, inner side edge 1581, from right rear plate 151, receive to the right by the direction of front arc ring flat-plate 153
Hold together.Equally, the external diameter of the left front annular flat underside is equal to the external diameter of the left back flat board, and the left front annular flat underside
Axis is overlapped with the axis of the left back flat board；The left-leaning impeller is in hollow airfoil type, and it forms flat by a flat plate buckling
Face bottom plate and the arc plate positioned at the plane bottom plate opposite, the edge of the straight bottom plate are welded in the interior of the arc plate edge
Side, hollow area is formed to make between the plane bottom plate and arc plate；The arc plate towards its direction of rotation outside, and
It is located at outer side edges between left front the arc ring flat-plate and left back flat board in level, inner side edge from left back flat board front arc to the left
Draw in ring flat-plate direction.Airfoil type is made in the left-leaning impeller and Right deviation impeller, and department, which is effectively reduced when impeller streaks air, to be run into
Air viscous resistance, so as to reduce the kinetic energy loss of impeller.
As shown in Fig. 2, Fig. 6, in the present invention, the right air inlet 16 is integrally formed for cast aluminium, and it includes being used for fixed peace
Right mounting plane ring portion 162 (the right place plane of mounting plane ring portion 162 and the right casing 1 of side loaded on right casing 1
Side where plane it is parallel), the right ring that is extended in casing 1 to the right by the right mounting plane ring portion 162 and drawn in draw arc in
Portion 163 (to reduce windage at right air inlet 16, it is cambered surface that the right ring, which draws arc portion 163 in) and it is arranged on right ring and draws arc in
Found ring portion 164 in the right side of the end of portion 163 (it is vertical with plane where the side of the right casing 1 that ring portion 164 is found on the right side)；Before the right side
The outer rim of annular riser 1533 is coated by the inner edge of the right vertical ring portion 164, is reduced air with this and is entered fashionable windage.Equally,
The left air inlet is integrally formed for cast aluminium, it include be used for be fixedly installed in left casing side left mounting plane ring portion,
The left ring for extending and drawing in the left mounting plane ring portion to the left casing, which draws arc portion in and is arranged on left ring, draws arc portion in
Found ring portion in a left side for end；The outer rim of the left front annular riser is coated by the inner edge of the left vertical ring portion.
In marine fan structure of the present invention, in addition to housing side wall, the left casing 2 and right casing 1 are distinguished
It is installed on the housing side wall.Specifically, the housing side wall includes being flexibly connected upper left side plate 22 and lower side 24, with
And the upper right side plate 12 and bottom right side plate 14 being flexibly connected；It is described and the lower side 24 is flexibly connected with bottom right side plate 14
Upper left side plate 22 is flexibly connected with upper right side plate 12.That is, for easy to maintenance, above-mentioned lower side 24, bottom right side plate
14th, upper left side plate 22, upper right side plate 12 are combined using movable connection method between any two.
In the present invention, be also provided with turbulence structure at left air inlet and right air inlet 16, the turbulence structure can be in
The pit of regularity arrangement or the hemisphere of projection.These turbulence structures can make one layer of the surface formation of air inlet be close to air intake
The very thin turbulent boundary layer of discharge surface, so that make the forward for the air for flowing to air inlet more be deep into inside air inlet, with
This increase intake, reduction operation noise simultaneously improve air-out efficiency.
Specifically, as shown in fig. 7, in the right ring of the right air inlet 16 in the surface rolling of arc portion 163 a diameter of 3 can be drawn
Millimeter, depth are 1 millimeter of multiple pits, and it is uniform with 5 millimeters of spacing each other to make each pit 1631,1632,1633.Together
Sample, multiple pits that arc portion surface rolling has a diameter of 3 millimeters, depth is 1 millimeter, institute are drawn in the left ring of the left air inlet
It is uniform with 5 millimeters of spacing each other to state each pit.
Or, as shown in figure 8, wind pad is thanksed for your hospitality in the right ring gathering arc portion 163 surface laying fixation in the right air inlet 16
Plate 165；The upper surface for disturbing wind backing plate 165 is evenly equipped with multiple a diameter of 3 millimeters using spacing as 5 millimeters, is highly 1 millimeter
Hemisphere 1651,1652.Equally, wind backing plate is thanksed for your hospitality in the left ring gathering arc portion surface laying fixation of the left air inlet；It is described
The upper surface of wind backing plate is disturbed to be evenly equipped with multiple a diameter of 3 millimeters using spacing as 5 millimeters, be highly 1 millimeter of hemisphere.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (4)
1. being provided with rotary blade in a kind of marine fan structure, including casing, the casing, the rotary blade is by installing
Rotation is driven in the motor on casing；The side of the casing is provided with air inlet, set at the top of the casing
It is equipped with air outlet, it is characterised in that
The casing includes the left casing for being symmetrical arranged and mutually separating and right casing；
It is provided with the left casing on left-handed rotary impeller, the left casing and is provided with left driving motor, and the left driving
Motor drives the anticlockwise wheel rotation；
It is provided with the right casing on dextrorotation rotary impeller, the right casing and is provided with right driving motor, and the right driving
Motor drives the right rotation wheel rotation；
The side of the left casing is provided with left air inlet, and the left air inlet position just to the left-handed rotary impeller；Institute
State and left air outlet is provided with the top of left casing；
The side of the right casing is provided with right air inlet, and the right air inlet position just to the dextrorotation rotary impeller；Institute
State and right air outlet is provided with the top of right casing；
The left casing include in counter clockwise direction involute-type the left spiral case of arc and be arranged at the left spiral case end of the arc and
The tangent left chimney fan with the left spiral case end of the arc, the left air outlet of open communication of the left chimney fan；The left-handed rotating vane
The spindle central of wheel is located at the basic circle center of circle of the involute corresponding to the left spiral case of the arc；The left-handed rotary impeller includes left back
Flat board, left front arc ring flat-plate and the multiple left sides being along the circumferential direction distributed between the left back flat board and left front arc ring flat-plate
Incline impeller；In the left installation set for being provided centrally with the output shaft for being fixedly installed in left driving motor of the left back flat board；
The left front arc ring flat-plate includes left front annular flat underside, left front annular riser and by the left front annular flat underside and a left side
The left front arc pressuring plate that preceding annular riser smooth connection is integrated；
Each left-leaning impeller is arranged between the left back flat board and left front arc ring flat-plate in divergence form counterclockwise；And it is left-leaning
One side of impeller is welded in left back flat board, relative another side be welded in successively left front annular flat underside, left front arc pressuring plate,
With left front annular riser；
The external diameter of the left front annular flat underside is equal to the external diameter of the left back flat board, and the axis of the left front annular flat underside
Overlapped with the axis of the left back flat board；
The left-leaning impeller is in hollow airfoil type, and it forms plane bottom plate and positioned at the plane bottom plate opposite by a flat plate buckling
Arc plate, the edge of the plane bottom plate is welded in the inner side at the arc plate edge, to make the plane bottom plate and curved arc
Hollow area is formed between plate；The arc plate towards its direction of rotation outside, and its be located at the left front arc ring flat-plate with
Outer side edges between left back flat board in level, inner side edge, from left back flat board, draw in the left by front arc ring flat-plate direction；
The right casing include in clockwise direction involute-type the right spiral case of arc and be arranged at the right spiral case end of the arc and
The tangent right chimney fan with the right spiral case end of the arc, the right air outlet of open communication of the right chimney fan；The dextrorotation rotating vane
The spindle central of wheel is located at the basic circle center of circle of the involute corresponding to the right spiral case of the arc；The dextrorotation rotary impeller is included behind the right side
Flat board, right front arc ring flat-plate and the multiple right sides being along the circumferential direction distributed between the right rear plate and right front arc ring flat-plate
Incline impeller；In the right installation set for being provided centrally with the output shaft for being fixedly installed in right driving motor of the right rear plate；
The right front arc ring flat-plate include it is right before annular flat underside, it is right before annular riser and by it is described it is right before annular flat underside and the right side
The right front arc connecting plate that preceding annular riser smooth connection is integrated；
Each Right deviation impeller is arranged between the right rear plate and right front arc ring flat-plate in divergence form clockwise；And Right deviation
One side of impeller is welded in right rear plate, relative another side be welded in successively before the right side annular flat underside, right front arc connecting plate,
With annular riser before the right side；
The external diameter of annular flat underside is equal to the external diameter of the right rear plate, and the axis of the right preceding annular flat underside before the right side
Overlapped with the axis of the right rear plate；
The Right deviation impeller is in hollow airfoil type, and it forms plane bottom plate and positioned at the plane bottom plate opposite by a flat plate buckling
Arc plate, the edge of the plane bottom plate is welded in the inner side at the arc plate edge, to make the plane bottom plate and curved arc
Hollow area is formed between plate；The arc plate towards its direction of rotation outside, and its be located at the right front arc ring flat-plate with
Outer side edges between right rear plate in level, inner side edge, from right rear plate, draw in the right by front arc ring flat-plate direction；
The left chimney fan is set up in parallel with the right chimney fan, and the left spiral case of the arc is located at a left side for the left chimney fan
Side, the right spiral case of the arc are located at the right side of the right chimney fan；
The left air inlet is integrally formed for cast aluminium, and it includes being used to be fixedly installed in the left mounting plane ring of the side of left casing
Portion, the left ring for extending and drawing in the left mounting plane ring portion to the left casing draw arc portion in and are arranged on left ring and draw in
Found ring portion in a left side for arc portion end；The outer rim of the left front annular riser is coated by the inner edge of the left vertical ring portion；The left ring is received
Hold together arc portion surface and be provided with the pit in regular arrangement or the hemisphere of projection；
The right air inlet is integrally formed for cast aluminium, and it includes being used to be fixedly installed in the right mounting plane ring of the side of right casing
Portion, the right ring for extending and drawing in the right mounting plane ring portion to the right casing draw arc portion in and are arranged on right ring and draw in
Found ring portion in the right side of arc portion end；The outer rim of the right preceding annular riser is coated by the inner edge of the right vertical ring portion；The right ring is received
Hold together arc portion surface and be provided with the pit in regular arrangement or the hemisphere of projection.
2. marine fan structure as claimed in claim 1, it is characterised in that also including housing side wall, the left casing and
Right casing is respectively arranged in the housing side wall；
The housing side wall includes upper left side plate and lower side and the upper right side plate being flexibly connected and the bottom right being flexibly connected
Side plate；
And the lower side is flexibly connected with bottom right side plate, the upper left side plate is flexibly connected with upper right side plate.
3. marine fan structure as claimed in claim 2, it is characterised in that the left ring of the left air inlet draws arc portion table in
Multiple pits that face pressure is formed with a diameter of 3 millimeters, depth is 1 millimeter, each pit is uniform with 5 millimeters of spacing each other；
The right ring of the right air inlet draws multiple pits that arc portion surface rolling has a diameter of 3 millimeters, depth is 1 millimeter, institute in
It is uniform with 5 millimeters of spacing each other to state each pit.
4. marine fan structure as claimed in claim 2, it is characterised in that the left ring of the left air inlet draws arc portion table in
Wind backing plate is thanksed for your hospitality in face laying fixation；The upper surface for disturbing wind backing plate using spacing as 5 millimeters be evenly equipped with multiple a diameter of 3 millimeters,
Hemisphere highly for 1 millimeter；
The right ring of the right air inlet draws the laying fixation of arc portion surface in and thankss for your hospitality wind backing plate；The upper surface for disturbing wind backing plate with
Away from being evenly equipped with multiple a diameter of 3 millimeters for 5 millimeters, be highly 1 millimeter of hemisphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510253202.1A CN104819163B (en) | 2015-05-19 | 2015-05-19 | A kind of marine fan structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510253202.1A CN104819163B (en) | 2015-05-19 | 2015-05-19 | A kind of marine fan structure |
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| Publication Number | Publication Date |
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| CN104819163A CN104819163A (en) | 2015-08-05 |
| CN104819163B true CN104819163B (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510253202.1A Active CN104819163B (en) | 2015-05-19 | 2015-05-19 | A kind of marine fan structure |
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| Country | Link |
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| CN (1) | CN104819163B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001241395A (en) * | 2000-02-28 | 2001-09-07 | Nippon Densan Corp | Fan unit |
| CN103321919A (en) * | 2012-03-22 | 2013-09-25 | 南通大通宝富风机有限公司 | Heat dissipation type centrifugal fan |
| CN203453095U (en) * | 2013-09-09 | 2014-02-26 | 株洲联诚集团有限责任公司 | Double-impeller energy-saving cooling ventilator for urban rail auxiliary power cabinet |
| CN104454567A (en) * | 2014-12-22 | 2015-03-25 | 江苏双菊风机有限公司 | High-power centrifugal fan with adjustable supply air rate |
-
2015
- 2015-05-19 CN CN201510253202.1A patent/CN104819163B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001241395A (en) * | 2000-02-28 | 2001-09-07 | Nippon Densan Corp | Fan unit |
| CN103321919A (en) * | 2012-03-22 | 2013-09-25 | 南通大通宝富风机有限公司 | Heat dissipation type centrifugal fan |
| CN203453095U (en) * | 2013-09-09 | 2014-02-26 | 株洲联诚集团有限责任公司 | Double-impeller energy-saving cooling ventilator for urban rail auxiliary power cabinet |
| CN104454567A (en) * | 2014-12-22 | 2015-03-25 | 江苏双菊风机有限公司 | High-power centrifugal fan with adjustable supply air rate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104819163A (en) | 2015-08-05 |
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