CN108374795A - A kind of two-way multi-wing centrifugal fan formula air interchanger of double-entry and its working method - Google Patents
A kind of two-way multi-wing centrifugal fan formula air interchanger of double-entry and its working method Download PDFInfo
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- CN108374795A CN108374795A CN201810157453.3A CN201810157453A CN108374795A CN 108374795 A CN108374795 A CN 108374795A CN 201810157453 A CN201810157453 A CN 201810157453A CN 108374795 A CN108374795 A CN 108374795A
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- wing centrifugal
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- centrifugal fan
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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
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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
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
- F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
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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
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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
- F04D29/40—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
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of two-way multi-wing centrifugal fan formula air interchanger of double-entry and its working methods,Including babinet shell and the Reflector Panel being set in babinet shell,Double-entry multi-wing centrifugal fan and two gold tubes,Wherein,Reflector Panel and two gold tubes are located at the left side of babinet shell,Double-entry multi-wing centrifugal fan is located at the right side of babinet shell,The end of Reflector Panel is fixed on the inner wall on the left of babinet shell,And Reflector Panel is located at 1/2 height and position of babinet shell,It is provided with air-inlet grille on the upper surface of babinet shell,Wherein,Reflector Panel described in air-inlet grille face,And two gold tubes are located on Reflector Panel,Close to the side of double-entry multi-wing centrifugal fan in slab construction on Reflector Panel,The other side of Reflector Panel is wavy shaped configuration,The air interchanger and its working method air quantity are big,Pressure coefficient is high,And noise is small.
Description
Technical field
The present invention relates to a kind of air interchanger and its working methods, and in particular to a kind of two-way multi-wing centrifugal wind of double-entry
Machine formula air interchanger and its working method.
Background technology
Current two-way multi-wing centrifugal fan formula air interchanger all lower problems of generally existing performance, can not and unidirectional fan
It compares.In today that ventilation industry increasingly minimizes product, promoting two-way multi-wing centrifugal fan formula air interchanger performance is
It is necessary.
Have the characteristics that discharge coefficient is big, pressure coefficient is high and compact-sized in view of multi-wing centrifugal fan, in industrial products
Middle acquirement extensive use, is also widely used in the electric household appliances such as Domestic ventilation device in addition.Its structure includes motor, snail
Shell and impeller.At present for ventilation device structure in bathroom, as shown in Figure 1, it is desirable that the multi-wing centrifugal wind inside air interchanger
Machine impeller rotate forward when by right-side outlet to interior air blowing come the air in circulating bathroom, right side air-out mouth be referred to as take a breath mouth, instead
Heat air by ptc heater when turning makes room temperature increase in left side outlet blowout warm wind, and left side air outlet is referred to as blowing mouth.Cause
This, it is desirable that impeller has the ability of positive and negative rotation, while ensureing that the air quantity rotated and reverse is equal as far as possible, this, which becomes to be promoted, is somebody's turn to do
The difficult point of two-way ventilating device aeroperformance.Current this two-way multi-wing centrifugal fan impeller blade mostly uses greatly radial blade,
The air quantity that i.e. blade center line overlaps to ensure to rotate and reverse with impeller radial direction is equal.The air quantity of this blade impeller compared with
Small, pressure coefficient is relatively low, and pressure under the same conditions could be realized using high rotating speed or big impeller diameter, and increase impeller
Diameter receives the limitation in space, improves rotating speed and increases noise again, and in the Ye Daonei of blade, since flow blockage is serious,
It is easy to form vortex, influences wind turbine outlet air, and due to the presence of whirlpool, increase the eddy current crack of wind turbine.
Multi-wing centrifugal fan impeller is core component, has the characteristics that compact-sized, pressure coefficient is high, discharge coefficient is big,
The quality of its performance directly affects the performance of wind turbine.Radial leaf road is deceleration leaf road, and leaf road cross-sectional width constantly increases, gas velocity
Degree constantly reduces, and larger whirlpool area is formed in Ye Daonei, loss is big, and efficiency is low.And forward curved vane leaf road is to accelerate leaf road, section
Width constantly becomes smaller, and air velocity constantly becomes larger, and can preferably improve the air quantity of wind turbine, reduces the whirlpool of Ye Daonei, lowers leaf
Eddy current crack in road, and backward leaning vane has higher efficiency, pressure coefficient is low, and runner energy loss is small, and noise is smaller
The characteristics of.The two-way multi-wing centrifugal fan volute structure mostly used greatly at present is shown in Fig. 1 and Fig. 2, which symmetrically divides
Cloth, blowing mouth and ventilation mouth are in the same side, and air outlet is axially parallel, and direction is identical, and this structure, which can meet, to be rotated and reverse
Identical air duct, but coordinate the air quantity of this radial blade impeller smaller, pressure coefficient is relatively low, and noise is big.
Invention content
It is an object of the invention to overcome the above-mentioned prior art, a kind of two-way multi-wing centrifugal of double-entry is provided
Fan type air interchanger and its working method, the air interchanger and its working method air quantity are big, and pressure coefficient is high, and noise
It is small.
In order to achieve the above objectives, the two-way multi-wing centrifugal fan formula air interchanger of double-entry of the present invention includes babinet
The shell and Reflector Panel being set in babinet shell, double-entry multi-wing centrifugal fan and two gold tubes, wherein reflection
Panel and two gold tubes are located at the left side of babinet shell, and double-entry multi-wing centrifugal fan is located at the right side of babinet shell, instead
The end for penetrating panel is fixed on the inner wall on the left of babinet shell, and Reflector Panel is located at 1/2 height and position of babinet shell,
It is provided with air-inlet grille on the upper surface of babinet shell, wherein Reflector Panel described in air-inlet grille face, and two gold tube positions
Close to the side of double-entry multi-wing centrifugal fan be in slab construction on Reflector Panel on Reflector Panel, Reflector Panel it is another
Side is wavy shaped configuration；
The double-entry multi-wing centrifugal fan includes spiral case, wheel disc, motor and two-way Multi-wing centrifugal vane, during spiral case is
EmptyShape structure, motor and two-way Multi-wing centrifugal vane are located in spiral case, and two-way Multi-wing centrifugal vane includes upper layer blade, wheel
Lid and lower leave, wherein the lower end of each blade is fixed on the upper surface of wheel cap in the blade of upper layer, each blade in lower leave
Upper end be fixed on the lower surface of wheel cap, each blade is distributed in circular ring shape in the blade of upper layer, and each blade in lower leave is in
Circular ring shape is distributed, and wheel cap is loop configuration, and upper layer blade, lower leave and wheel cap are respectively positioned on the periphery of motor and wheel disc, motor
Output shaft be connected with the inner peripheral surface of wheel cap by wheel disc, the upper surface and the lower surface of spiral case is open, and spiral case upper surface
On opening and the opening on lower surface be both provided with current collector, the current collector face motor, and current collector and babinet
There are gap, the bottom of motor to be fixed by the bracket on the bottom of babinet shell between the inner wall of shell；One end of spiral case is arranged
There is blowing mouth, the other end of spiral case is provided with ventilation mouth, and the blowing mouth and ventilation mouth pass through the right side of babinet shell to stretch
Go out to outside babinet shell.
It further include the first impeller circular ring shape rim and the second Circule shape rim, wherein the first impeller circular ring shape rim
It is socketed and is fixed on the peripheral surface of upper layer blade upper end；Second impeller cirque wheel cuff connects and is fixed on lower leave lower end
Peripheral surface on.
Upper layer blade and lower leave are radially symmetrical, and in the blade of upper layer blade stagger angle β1For
70 ° -90 °, the exit installation angle β of blade in the blade of upper layer2It is 150 ° -180 °；The height of upper layer blade and the height of lower leave
It spends identical；The quantity of blade is 30-60 pieces in the quantity of blade and lower leave in the blade of upper layer.
A blade in the blade of upper layer corresponds to a blade in lower leave, and the axial direction of described two corresponding blades
Cross-sectional profiles line is distributed in symmetrical mirror image；
It is provided with ptc heater at blowing mouth, the circuit control for controlling ptc heater is provided on the outer wall of spiral case
Box.
The axis of blowing mouth is parallel with the ventilation axis of mouth, and blowing mouth and ventilation mouth and two-way Multi-wing centrifugal vane it
Between distance it is identical.
The length of air-inlet grille is the half of babinet shell length；
Two gold tubes are respectively arranged at the 1/3 position positions Chu Ji2/3 on air-inlet grille length direction；
Motor and two-way Multi-wing centrifugal vane are located at the middle position of spiral case.
The output shaft of motor is connected by fastener with wheel disc；The bottom of motor is fixedly connected by stud with holder.
The internal diameter of current collector is bigger 10-12mm than the internal diameter of two-way Multi-wing centrifugal vane；The inner wall of current collector and babinet shell
Between spacing be more than or equal to 16-18mm.
The working method of the two-way multi-wing centrifugal fan formula air interchanger of double-entry of the present invention includes the following steps：
Gas is entered through air-inlet grille in babinet shell, and the side of the two-way multi-wing centrifugal fan of double-entry is diverted to along Reflector Panel
To flowing, the current collector for being then then passed through spiral case top and bottom enters in two-way Multi-wing centrifugal vane, when motor rotates forward, upper layer
Each blade in blade serves as backward leaning vane and does work to gas, and each blade in lower leave serves as forward curved vane to gas
It does work, to make gas blow out babinet shell from ventilation mouth, to achieve the purpose that ventilation；When motor reversal, upper layer leaf
Each blade in piece serves as forward curved vane and does work to gas, each blade in lower leave serve as backward leaning vane to gas into
Row acting, to make gas blow out babinet shell through blowing mouth, to achieve the purpose that blowing.
The invention has the advantages that：
The two-way multi-wing centrifugal fan formula air interchanger of double-entry of the present invention and its working method are in concrete operations
When, using the principle of double-entry, the opening in opening and lower surface on spiral case upper surface is both provided with current collector,
At work, when motor rotates forward, each blade in the blade of upper layer as backward leaning vane, make by each blade in lower leave at this time
For forward curved vane, gas is entered through air-inlet grille in babinet shell, then again after Reflector Panel shunts through above-mentioned two collection
Stream device enters two-way Multi-wing centrifugal vane, from ventilation mouth discharge after upper layer blade and lower leave acting after；Conversely, working as
When motor reversal, each blade in the blade of upper layer is as backward leaning vane, and each blade in lower leave is as forward curved vane, gas
It is discharged through blowing mouth after upper layer blade and lower leave acting, to effectively utilize the excellent of upper layer blade and lower leave
Point makes impeller positive and negative rotation have almost the same aeroperformance, while reducing influence of the single side air inlet to fan performance, improves leaf
The utilization rate and pressure coefficient of impeller blade reduce the eddy current crack in leaf road, improve the air quantity of air interchanger, meet real life need
It asks, it should be noted simultaneously that, Reflector Panel is positioned at 1/2 height and position of babinet shell, and close to double on Reflector Panel
The side of face air inlet multi-wing centrifugal fan is horizontally disposed, identical to make to enter the air quantity in above-mentioned two current collector.
Description of the drawings
Fig. 1 is the oblique sectional view of existing air interchanger；
Fig. 2 is the schematic diagram of multi-wing centrifugal fan impeller in existing air interchanger；
Fig. 3 is the internal structure schematic diagram of the present invention；
Fig. 4 is the sectional view of the present invention；
Fig. 5 is the structural schematic diagram of impeller in the present invention；
Fig. 6 is the comparison diagram of 16 cross-sectional profiles of impeller upper layer of the present invention blade 15 and lower leave；
Fig. 7 is the structural schematic diagram of double-entry multi-wing centrifugal fan in the present invention；
Fig. 8 is the sectional view of double-entry multi-wing centrifugal fan in the present invention.
Wherein, 1 it is circuit control box, 2 be ptc heater, 3 be air-inlet grille, 4 be the first impeller circular ring shape rim, 5 is
Motor, 6 be wheel disc, 7 be wheel cap, 8 be blowing mouth, 9 be ventilation mouth, 10 be gold tube, 11 be Reflector Panel, 12 be holder, 13
It is LED light for current collector, 14,15 be upper layer blade, 16 be lower leave, 17 is babinet shell.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 3, Fig. 4 and Fig. 5, the two-way multi-wing centrifugal fan formula air interchanger of double-entry of the present invention includes case
The body shell body 17 and Reflector Panel 11 being set in babinet shell 17, double-entry multi-wing centrifugal fan and two gold tubes
10, wherein Reflector Panel 11 and two gold tubes 10 are located at the left side of babinet shell 17, and double-entry multi-wing centrifugal fan is located at
The end on the right side of babinet shell 17, Reflector Panel 11 is fixed on the inner wall in 17 left side of babinet shell, and Reflector Panel 11
At 1/2 height and position of babinet shell 17, air-inlet grille 3 is provided on the upper surface of babinet shell 17, wherein air-inlet grille
Reflector Panel 11 described in 3 faces, and two gold tubes 10 are located on Reflector Panel 11, it is more close to double-entry on Reflector Panel 11
The side of wing centrifugal blower is in slab construction, and the other side of Reflector Panel 11 is wavy shaped configuration；The double-entry multiple wing from
Heart wind turbine includes spiral case, wheel disc 6, motor 5 and two-way Multi-wing centrifugal vane, and spiral case is hollowShape structure, motor 5 and two-way
Multi-wing centrifugal vane is located in spiral case, and two-way Multi-wing centrifugal vane includes upper layer blade 15, wheel cap 7 and lower leave 16, wherein
The lower end of each blade is fixed on the upper surface of wheel cap 7 in upper layer blade 15, and the upper end of each blade is fixed in lower leave 16
On the lower surface of wheel cap 7, each blade is distributed in circular ring shape in upper layer blade 15, and each blade in lower leave 16 is in circular ring shape point
Cloth, wheel cap 7 are loop configuration, and upper layer blade 15, lower leave 16 and wheel cap 7 are respectively positioned on the periphery of motor 5 and wheel disc 6, motor 5
Output shaft be connected with the inner peripheral surface of wheel cap 7 by wheel disc 6, the upper surface and the lower surface of spiral case is open, and spiral case upper table
The opening in opening and lower surface on face is both provided with current collector 13,13 face motor 5 of the current collector, and current collector
There are gap, the bottom of motor 5 to be fixed on by holder 12 on the bottom of babinet shell 17 between 13 and the inner wall of babinet shell 17；
One end of spiral case is provided with blowing mouth 8, and the other end of spiral case is provided with ventilation mouth 9, and the blowing mouth 8 and ventilation mouth 9 pass through
The right side of babinet shell 17 reaches outside babinet shell 17.
The invention also includes the first impeller circular ring shape rim 4 and the second Circule shape rims, wherein the first impeller annulus
Shape rim 4 is socketed and is fixed on the peripheral surface of 15 upper end of upper layer blade；Under second impeller cirque wheel cuff connects and is fixed on
On the peripheral surface of 16 lower end of layer blade.
Upper layer blade 15 and lower leave 16 are radially symmetrical, and the import of blade is installed in upper layer blade 15
Angle beta1It is 70 ° -90 °, the exit installation angle β of blade in upper layer blade 152It is 150 ° -180 °；The height of upper layer blade 15 and lower layer
The height of blade 16 is identical；The quantity of blade is 30-60 pieces in the quantity of blade and lower leave 16 in upper layer blade 15.
With reference to figure 6, a blade in upper layer blade 15 corresponds to a blade in lower leave 16, and described two right
The axial cross section contour line of blade is answered to be distributed in symmetrical mirror image；And corresponding line of symmetry is from the center of circle of impeller axial cross section
To the line of wheel bottom endpoint.
It is provided with ptc heater 2 at blowing mouth 8, the circuit for controlling ptc heater 2 is provided on the outer wall of spiral case
Control box 1；The axis of blowing mouth 8 is parallel with the ventilation axis of mouth 9, and blowing mouth 8 and ventilation mouth 9 and two-way multi-wing centrifugal leaf
The distance between wheel is identical.
The length of air-inlet grille 3 is that the length of babinet shell 17 is half；Two gold tubes 10 are respectively arranged in into style
At the 1/3 position positions Chu Ji2/3 on 3 length direction of grid；Motor 5 and two-way Multi-wing centrifugal vane are located at the centre position of spiral case
Place.
The output shaft of motor 5 is connected by fastener with wheel disc 6；The bottom of motor 5 is fixed by stud and holder 12
Connection；The internal diameter of current collector 13 is bigger 10-12mm than the internal diameter of two-way Multi-wing centrifugal vane；Current collector 13 is interior with babinet shell 17
Spacing between wall is more than or equal to 16-18mm.
The working method of the two-way multi-wing centrifugal fan formula air interchanger of double-entry of the present invention includes the following steps：
Gas is entered through air-inlet grille 3 in babinet shell 17, and is diverted to the two-way multi-wing centrifugal wind of double-entry along Reflector Panel 11
The direction of machine is flowed, and the current collector 13 for being then then passed through spiral case top and bottom enters in two-way Multi-wing centrifugal vane, when motor 5 just
When turning, each blade in upper layer blade 15 serves as backward leaning vane and does work to gas, and each blade in lower leave 16 serves as
Forward curved vane does work to gas, to make gas blow out babinet shell 17 from ventilation mouth 9, to achieve the purpose that ventilation；When
When motor 5 inverts, each blade in upper layer blade 15 serves as forward curved vane and does work to gas, each leaf in lower leave 16
Piece serves as backward leaning vane and does work to gas, to make gas blow out babinet shell 17 through blowing mouth 8, to reach the mesh of blowing
's.
It is further to note that being provided with LED light 14 on the right of babinet shell 17 and air-inlet grille the same face.
Air interchanger of the present invention can effectively solve the problem that multi-wing centrifugal fan single side air inlet wind in existing air interchanger
Relatively low problem is measured, by the way of upper and lower surface air inlet, wherein when motor 5 rotates forward, upper layer blade 15 is used as backward leaning vane,
Lower leave 16 is used as forward curved vane, and when motor 5 inverts, then upper layer blade 15 is used as forward curved vane, 16 conduct of lower leave
Backward leaning vane, to make upper layer blade 15 and lower leave 16 give full play to respective advantage, two-way Multi-wing centrifugal vane is positive and negative
Turn that there is almost the same aeroperformance, to improve the efficiency of double-entry multi-wing centrifugal fan, reduces vortex tape flow noise, and
The air quantity of entire multi-wing centrifugal fan is set significantly to be improved, simultaneously because Reflector Panel 11 is positioned over the 1/ of babinet shell 17
At 2 height and positions, and horizontally disposed close to the side of double-entry multi-wing centrifugal fan on Reflector Panel 11, upper and lower current collector 13
Intake volume it is consistent, to make double-entry multi-wing centrifugal fan dry and ventilation air quantity it is consistent.
Claims (10)
1. a kind of two-way multi-wing centrifugal fan formula air interchanger of double-entry, which is characterized in that including babinet shell (17) and
Reflector Panel (11), double-entry multi-wing centrifugal fan and two gold tubes (10) being set in babinet shell (17), wherein
Reflector Panel (11) and two gold tubes (10) are located at the left side of babinet shell (17), and double-entry multi-wing centrifugal fan is located at case
The end on the right side of body shell body (17), Reflector Panel (11) is fixed on the inner wall on the left of babinet shell (17), and Reflector Panel
(11) it is located at 1/2 height and position of babinet shell (17), air-inlet grille (3) is provided on the upper surface of babinet shell (17),
Wherein, Reflector Panel (11) described in air-inlet grille (3) face, and two gold tubes (10) are located on Reflector Panel (11), reflection
Close to the side of double-entry multi-wing centrifugal fan in slab construction on panel (11), the other side of Reflector Panel (11) is wave
Shape structure；
The double-entry multi-wing centrifugal fan includes that spiral case, wheel disc (6), motor (5) and two-way Multi-wing centrifugal vane, spiral case are
HollowShape structure, motor (5) and two-way Multi-wing centrifugal vane are located in spiral case, and two-way Multi-wing centrifugal vane includes upper layer leaf
Piece (15), wheel cap (7) and lower leave (16), wherein the upper of wheel cap (7) is fixed in the lower end of each blade in upper layer blade (15)
On surface, the upper end of each blade is fixed on the lower surface of wheel cap (7) in lower leave (16), each blade in upper layer blade (15)
It is distributed in circular ring shape, each blade in lower leave (16) is distributed in circular ring shape, and wheel cap (7) is loop configuration, upper layer blade
(15), lower leave (16) and wheel cap (7) are respectively positioned on the periphery of motor (5) and wheel disc (6), and the output shaft of motor (5) passes through wheel
Disk (6) is connected with the inner peripheral surface of wheel cap (7), and the upper surface and the lower surface of spiral case is open, and the opening on spiral case upper surface
Opening in place and lower surface is both provided with current collector (13), current collector (13) the face motor (5), and current collector (13)
There are gap, the bottom of motor (5) to be fixed on babinet shell (17) by holder (12) between the inner wall of babinet shell (17)
On bottom；One end of spiral case is provided with blowing mouth (8), and the other end of spiral case is provided with ventilation mouth (9), and the blowing mouth (8)
And ventilation mouth (9) passes through the right side of babinet shell (17) to reach babinet shell (17) outside.
2. the two-way multi-wing centrifugal fan formula air interchanger of double-entry according to claim 1, which is characterized in that further include
First impeller circular ring shape rim (4) and the second Circule shape rim, wherein the socket of the first impeller circular ring shape rim (4) is simultaneously solid
Due on the peripheral surface of upper layer blade (15) upper end；Second impeller cirque wheel cuff connects and is fixed on lower leave (16) lower end
Peripheral surface on.
3. the two-way multi-wing centrifugal fan formula air interchanger of double-entry according to claim 1, which is characterized in that upper layer leaf
Piece (15) and lower leave (16) are radially symmetrical, and in upper layer blade (15) blade stagger angle β1For
70 ° -90 °, the exit installation angle β of blade in upper layer blade (15)2It is 150 ° -180 °；The height of upper layer blade (15) and lower layer
The height of blade (16) is identical；The quantity of blade is 30- in the quantity of blade and lower leave (16) in upper layer blade (15)
60.
4. the two-way multi-wing centrifugal fan formula air interchanger of double-entry according to claim 1, which is characterized in that upper layer leaf
A blade in piece (15) corresponds to a blade in lower leave (16), and the axial cross section of described two corresponding blades
Contour line is distributed in symmetrical mirror image.
5. the two-way multi-wing centrifugal fan formula air interchanger of double-entry according to claim 1, which is characterized in that blowing mouth
(8) it is provided with ptc heater (2) at, the circuit control box for controlling ptc heater (2) is provided on the outer wall of spiral case
(1)。
6. the two-way multi-wing centrifugal fan formula air interchanger of double-entry according to claim 1, which is characterized in that blowing mouth
(8) axis is parallel with the axis of ventilation mouth (9), and between blowing mouth (8) and ventilation mouth (9) and two-way Multi-wing centrifugal vane
Distance it is identical.
7. the two-way multi-wing centrifugal fan formula air interchanger of double-entry according to claim 1, which is characterized in that
The length of air-inlet grille (3) is the half of babinet shell (17) length；
Two gold tubes (10) are respectively arranged at the 1/3 position positions Chu Ji2/3 on air-inlet grille (3) length direction；
Motor (5) and two-way Multi-wing centrifugal vane are located at the middle position of spiral case.
8. the two-way multi-wing centrifugal fan formula air interchanger of double-entry according to claim 1, which is characterized in that motor
(5) output shaft is connected by fastener with wheel disc (6)；The bottom of motor (5) is fixedly connected by stud with holder (12).
9. the two-way multi-wing centrifugal fan formula air interchanger of double-entry according to claim 1, which is characterized in that current collector
(13) internal diameter is bigger 10-12mm than the internal diameter of two-way Multi-wing centrifugal vane；The inner wall of current collector (13) and babinet shell (17) it
Between spacing be more than or equal to 16-18mm.
10. a kind of working method of the two-way multi-wing centrifugal fan formula air interchanger of double-entry described in claim 1, feature
It is, includes the following steps：Gas is entered through air-inlet grille (3) in babinet shell (17), and is turned to along Reflector Panel (11)
It is flowed to the direction of the two-way multi-wing centrifugal fan of double-entry, two current collectors (13) for being then then passed through spiral case top and bottom enter
Into two-way Multi-wing centrifugal vane, when motor (5) rotate forward, each blade in upper layer blade (15) serves as backward leaning vane to gas
It does work, each blade in lower leave (16) serves as forward curved vane and does work to gas, to make gas from ventilation mouth
(9) blowout babinet shell (17), to achieve the purpose that ventilation；When motor (5) invert, each blade in upper layer blade (15) fills
When forward curved vane does work to gas, each blade in lower leave (16) serves as backward leaning vane and does work to gas, from
And make gas through blowing mouth (8) blowout babinet shell (17), to achieve the purpose that blowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157453.3A CN108374795B (en) | 2018-02-24 | 2018-02-24 | A kind of two-way multi-wing centrifugal fan formula air interchanger of double-entry and its working method |
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798256A (en) * | 2019-01-04 | 2019-05-24 | 东莞市旭恒电子有限公司 | A kind of ventilating fan and its usage mode |
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| CN109798256A (en) * | 2019-01-04 | 2019-05-24 | 东莞市旭恒电子有限公司 | A kind of ventilating fan and its usage mode |
| CN109798256B (en) * | 2019-01-04 | 2024-01-12 | 东莞市旭恒电子有限公司 | Ventilation fan and use mode thereof |
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| CN108374795B (en) | 2019-08-23 |
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Effective date of registration: 20191216 Address after: 314000 Heng Gang Industrial Park, Bai Bu Town, Haiyan County, Jiaxing, Zhejiang Patentee after: Zhejiang Celebrity Technology Co., Ltd. Address before: Beilin District Xianning West Road 710049, Shaanxi city of Xi'an province No. 28 Patentee before: Xi'an Jiaotong University |
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