CN108916078A - Helical blade centrifugal blower - Google Patents
Helical blade centrifugal blower Download PDFInfo
- Publication number
- CN108916078A CN108916078A CN201810779158.1A CN201810779158A CN108916078A CN 108916078 A CN108916078 A CN 108916078A CN 201810779158 A CN201810779158 A CN 201810779158A CN 108916078 A CN108916078 A CN 108916078A
- Authority
- CN
- China
- Prior art keywords
- plate
- impeller
- spiral case
- water conservancy
- conservancy diversion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/06—Helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—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
- F04D29/422—Discharge tongues
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention is a kind of helical blade centrifugal blower, is related to a kind of centrifugal blower, including support component, water conservancy diversion spiral case, wheel member.When the centrifugal blower is run, motor-driven impeller rotation, under the influence of centrifugal force, air-flow is accelerated during flowing along the spiral impeller channel of impeller, when air-flow in impeller channel enters the Inner chamber of water conservancy diversion spiral case from water conservancy diversion spiral case front edge of board, the spiral case Inner chamber sectional area of the spiral case plate radially inner side of water conservancy diversion spiral case and base is gradually increased, and air-flow slows down pressurization in spiral case Inner chamber, the kinetic energy that impeller passes to air-flow is changed into potential energy, generates high pressure draught.Spiral impeller channel arranges that the air inlet of the centrifugal blower along the radial direction of centrifugal blower, can make full use of the negative pressure that impeller channel locally generates and increases the air flow rate of air inlet, and ensures continuous, stable delivery air.The centrifugal blower has the advantages that axial length is unrestricted, output gas flow pressure is larger, efficiency is higher.
Description
Technical field
The present invention is a kind of helical blade centrifugal blower, is related to a kind of centrifugal blower, uses spiral shell more particularly to a kind of
The unrestricted centrifugal blower of vane piece, axial length.
Background technique
Common blower type has axial flow blower, cross flow fan, centrifugal blower in household appliances.Its typical application product
Example is respectively, using the vertical fan of axial flow blower, using the kitchen ventilator of centrifugal blower, using the air conditioner chamber of cross flow fan
Interior machine.The characteristics of axial flow blower is that flow is larger, pressure is lower, noise is larger.The structure of axial flow blower is simple.
The characteristics of cross flow fan is that moderate flow, moderate pressure, noise are smaller.Cross flow fan axial length is unrestricted,
Air outlet air-flow along cross flow fan axial distribution uniform.Compared with axial flow blower, the air-flow of cross flow fan runs through impeller
Air-flow can be transported to larger distance under low noise conditions by the effect of blade power twice by flowing, air-flow.Cross flow fan
Air-flow force to turn back in impeller, therefore the pressure loss is larger, efficiency is lower.Cross-flow fan impeller uses forward-type blade.
The characteristics of centrifugal blower is that flow is smaller, pressure is higher, noise is smaller.The air inlet of centrifugal blower is along centrifugation wind
The axial arrangement of machine, therefore centrifugal blower axial length is restricted.Centrifugal blower is added air-flow using high-speed rotating impeller
Speed, air-flow slow down in the spiral case inner cavity of centrifugal blower and change flow direction, and kinetic energy is made to be converted into potential energy, generate high pressure draught.Centrifugation
Fan efficiency is higher.Centrifugal blower fan blade wheel has forward-type blade, radial vane, backward type blade three types.
In conclusion the pressure of cross flow fan, up for improving, the axial length of centrifugal blower is restricted, household electrical appliances market
Need that a kind of axial length is unrestricted, output gas flow pressure is larger, the higher blower technology of efficiency.
Summary of the invention
The purpose of the present invention is overcoming the disadvantage that the common cross flow fan pressure loss is larger, efficiency is lower, and overcome general
The shortcomings that logical centrifugal blower axial length is restricted, provide it is a kind of have axial length is unrestricted, output gas flow pressure compared with
Greatly, the higher helical blade centrifugal blower of efficiency.Embodiment of the present invention is as follows：
The centrifugal blower includes support component, water conservancy diversion spiral case, wheel member.Water conservancy diversion spiral case is mounted on support component inner cavity, leaf
Wheel component is mounted on water conservancy diversion spiral case inner cavity, and motor is mounted on support component axial direction one end.It is electronic when the centrifugal blower is run
Machine drives the impeller rotation of wheel member, and under the influence of centrifugal force, air-flow is flowed along the spiral impeller channel of impeller
Be accelerated in the process, when the air-flow in impeller channel enters the Inner chamber of water conservancy diversion spiral case from water conservancy diversion spiral case front edge of board, water conservancy diversion spiral case and
The spiral case Inner chamber sectional area of the spiral case plate radially inner side of base is gradually increased, and air-flow slows down pressurization in spiral case Inner chamber, impeller
The kinetic energy for passing to air-flow is changed into potential energy, generates high pressure draught.
Water conservancy diversion spiral case axial cross section is in Ω shape, and water conservancy diversion spiral case axial cross section straight length portion is installing web plate two, peace respectively
Gusset one is filled, water conservancy diversion spiral case axial cross section curved section part is C-shaped stiffener plate.Water conservancy diversion spiral case axial ends respectively has one
Fan-shaped spiral case end plate, there is water conservancy diversion spiral case plate between two spiral case end plates, water conservancy diversion spiral case board ends respectively with two spiral case ends
Plate axially inner side links together.Water conservancy diversion spiral case plate cross sectional shape is helix or involute.Water conservancy diversion spiral case plate one end with
Installing web plate two links together, and the water conservancy diversion spiral case plate other end is water conservancy diversion spiral case front edge of board, water conservancy diversion spiral case front edge of board and installation muscle
It is water conservancy diversion air inlet between plate one.Several stiffener plates are axially distributed between two spiral case end plates, each reinforcement
Gusset links together with water conservancy diversion spiral case plate, also, each stiffener plate radial inside portion extends to water conservancy diversion spiral case plate diameter
Inner chamber partition two is formed inwardly.
Support component includes base, side plate one, axle sleeve one, side plate two, axle sleeve two.Axle sleeve one, axle sleeve two are cylindrical, axis
It is sleeve central bore among set one, two axial end face of axle sleeve.
Base axial ends is base end plate one, base end plate two respectively.Base end plate one is in rectangle, in base end plate one
Between be pilot hole, have several bolts hole around base end plate one.Base end plate two is in rectangle, is assembly among base end plate two
There are several bolts hole in hole around base end plate two.It is spiral case plate among base, spiral case plate top half cross sectional shape is spiral
Line or involute, spiral case plate lower half portion cross sectional shape are the tangent line of helix or the tangent line of involute.Spiral case plate lower end with
One upper end of front panel links together, and spiral case plate upper end links together with fixed two right side one end of gusset, and fixed gusset two is left
Side one end links together with squab panel lower end.Two lower end of volute tongue plate links together with one left side one end of volute tongue plate, volute tongue plate
Two sections are arc-shaped, and the angle between volute tongue plate two and volute tongue plate one is at an acute angle, one right side one end of volute tongue plate and front panel two
Lower end links together, and two upper end of volute tongue plate links together with fixed one left side one end of gusset.Fixed gusset two, fixed gusset
One has several bolts hole respectively.Squab panel, fixed gusset two, fixed gusset one, spiral case plate, front panel one, front panel two, snail
Hyoplastron one, volute tongue plate two both ends link together respectively with base end plate one, two axially inner side of base end plate.
When the centrifugal blower assembles, wheel member passes through the pilot hole of base end plate one or across base end plate two
Pilot hole is mounted on wheel member between the spiral case plate of base and volute tongue plate two, and water conservancy diversion spiral case is mounted on wheel member
Upper end, and wheel member is made to be located at water conservancy diversion spiral case inner cavity.The water conservancy diversion spiral case plate of water conservancy diversion spiral case and spiral case plate, the volute tongue plate of base
One, volute tongue plate two, base end plate one, constitute semi-enclosed spiral case Inner chamber between base end plate two.Spiral case Inner chamber is close to front panel
One, one end of front panel two is air outlet.Squab panel, fixed gusset two, volute tongue plate two, volute tongue plate one, front panel two, base end
Semi-enclosed air inlet Inner chamber is constituted between plate one, base end plate two.Air inlet Inner chamber close to one end of squab panel, front panel two be into
Air port.Several Inner chamber partitions one are axially distributed in spiral case Inner chamber between the spiral case plate and volute tongue plate one of base.It is each
The Inner chamber partition one of a base is axially aligned with the Inner chamber partition two of a water conservancy diversion spiral case.Several Inner chamber partitions one and Inner
Spiral case Inner chamber is axially separated into several spiral cases Inner chamber runner by chamber partition two.
Side plate one is in rectangle, has the side plate boss one of annular among the axial one end of side plate one, is side among side plate boss one
There is axle sleeve mounting groove one in board shaft hole among the axial other end of side plate one, and axle sleeve one is mounted in the axle sleeve mounting groove one of side plate one,
There are several bolts hole around side plate one.Support component is each passed through several bolts the bolt hole of side plate one in assembly
With the bolt hole of the base end plate one of base, side plate one is made to be mounted on the axially external surface of the base end plate one of base.Side plate
Two be in rectangle, has the side plate boss two of annular among the axial one end of side plate two, is side plate axis hole, side plate two among side plate boss two
There is axle sleeve mounting groove two among the axial other end, axle sleeve two is mounted in the axle sleeve mounting groove two of side plate two, is had around side plate two
Several bolts hole.Support component is each passed through several bolts the bolt hole of side plate two and the base of base in assembly
The bolt hole of end plate two makes side plate two be mounted on the axially external surface of the base end plate two of base.
Wheel member includes impeller, impeller end plate two, space washer two, shaft two, shaft one, space washer one, impeller
End plate one.Shaft one, shaft two are cylindrical.Space washer one, space washer two in a ring, space washer one, space washer
It is washer center hole among two axial end faces.
It is cylindrical circular impeller connecting cylinder, the radially-outer surface difference of impeller connecting cylinder axial ends among impeller is radial
There is impeller screw hole, impeller connecting cylinder radial outside is evenly equipped with several impeller blades, and impeller blade is twist, two neighboring
It is helical impeller channel between impeller blade.
Impeller end plate one is end plate axis hole, the radial appearance of impeller end plate one among one axial end face of impeller end plate in a ring
There is radial internal thread hole in face.Impeller end plate two is end plate axis hole, impeller end plate among two axial end face of impeller end plate in a ring
Two radially-outer surfaces have radial internal thread hole.
Wheel member is welded on the radially-outer surface of impeller end plate one one on the right side of the impeller connecting cylinder of impeller in assembly
Radially inner side is held, and is aligned the internal thread hole of impeller end plate one and the impeller screw hole of one end on the right side of impeller connecting cylinder,
One one end of shaft is mounted in the end plate axis hole of impeller end plate one, screw is passed through the impeller screw of one end on the right side of impeller connecting cylinder
Hole, and screw is mounted in the internal thread hole of impeller end plate one, it is fixed together shaft one with impeller end plate one,
And so that the other end of shaft one is located at the axially external of impeller end plate one, the washer center hole of space washer one is mounted on and is turned
The radial outside of axis one, and contact one left end face of space washer with one right end face of impeller end plate and be installed together.?
The radially-outer surface of impeller end plate two is welded on one end radially inner side on the left of the impeller connecting cylinder of impeller, and makes impeller end plate two
Internal thread hole be aligned with the impeller screw hole of one end on the left of impeller connecting cylinder, two one end of shaft is mounted on impeller end plate two
In end plate axis hole, screw is passed through the impeller screw hole of one end on the left of impeller connecting cylinder, and screw is mounted on impeller end plate
It in two internal thread hole, is fixed together shaft two with impeller end plate two, and the other end of shaft two is made to be located at leaf
The axially external of end plate two is taken turns, the washer center hole of space washer two is mounted on the radial outside of shaft two, and make to position
Two right end face of washer is contacted with two left end face of impeller end plate and is installed together.
Wheel member is passed through the pilot hole of base end plate one or passes through base end plate by the centrifugal blower in assembly
Two pilot hole is mounted on wheel member between the spiral case plate of base and volute tongue plate two.Make among one radially-outer surface of shaft
Position is mounted in the sleeve central bore of axle sleeve one, and makes side plate axis hole of the axially external one end of shaft one across side plate one,
The axially external one end of shaft one is set to be located at side plate one axially external.Two radially-outer surface middle position of shaft is set to be mounted on axle sleeve two
Sleeve central bore in, and make the axially external one end of shaft two pass through side plate two side plate axis hole, keep shaft two axially external
It is axially external that one end is located at side plate two.Water conservancy diversion spiral case is mounted on the upper end of wheel member, and wheel member is made to be located at water conservancy diversion
Spiral case inner cavity.And the installing web plate of water conservancy diversion spiral case two is mounted on two upper surface of fixation gusset of base, water conservancy diversion spiral case
Installing web plate one is mounted on one upper surface of fixation gusset of base.Several bolts are each passed through the installing web plate of water conservancy diversion spiral case
The bolt hole of the fixation gusset two of two bolt hole and base, is each passed through several bolts the installing web plate one of water conservancy diversion spiral case
Bolt hole and base fixation gusset one bolt hole, be fixed together water conservancy diversion spiral case with base.Motor
Shaft links together with shaft one, alternatively, the shaft of motor is linked together with shaft two.
The centrifugal blower operational process is：
When the centrifugal blower is run, motor drives impeller to revolve along impeller direction of rotation by shaft one, impeller end plate one
Turn, alternatively, motor drives impeller to rotate along impeller direction of rotation by shaft two, impeller end plate two.Impeller is along impeller
When direction of rotation rotates, make to enter the wind the impeller channel that the air-flow in Inner chamber enters impeller across the water conservancy diversion air inlet of water conservancy diversion spiral case
In, under the influence of centrifugal force, the air-flow in impeller channel is flowed along impeller gas transmission direction, and air-flow is spiral along impeller
Impeller channel is accelerated during flowing, and the air-flow in impeller channel enters the Inner chamber of water conservancy diversion spiral case from water conservancy diversion spiral case front edge of board
When, the spiral case Inner chamber sectional area of the spiral case plate radially inner side of water conservancy diversion spiral case and base is gradually increased, and air-flow subtracts in spiral case Inner chamber
The kinetic energy that impeller passes to air-flow is changed into potential energy, generates high pressure draught by speed pressurization.Air-flow in spiral case Inner chamber is along outlet air
Mouth airflow direction is discharged from air outlet.Air-flow, can be in impeller channel office in the spiral impeller channel high speed flowing of impeller
Portion generates negative pressure, which further attracts the air-flow in air inlet Inner chamber to enter in the impeller channel of impeller.Volute tongue plate two
The air-flow in impeller channel is prevented to be back to air inlet Inner chamber under the influence of centrifugal force.Several Inner chamber partitions one and Inner chamber partition
Two spiral case Inner chambers are axially separated into several spiral cases Inner chamber runner, make the centrifugal fan air outlet air-flow axially
It is distributed more uniform.
When the centrifugal blower is run, motor-driven impeller rotation, under the influence of centrifugal force, air-flow is along impeller spiral shell
It is accelerated during the impeller channel flowing for revolving shape, the air-flow in impeller channel enters water conservancy diversion spiral case from water conservancy diversion spiral case front edge of board
Inner chamber when, the spiral case Inner chamber sectional area of the spiral case plate radially inner side of water conservancy diversion spiral case and base is gradually increased, and air-flow is in spiral case Inner
Slow down in chamber and be pressurized, the kinetic energy that impeller passes to air-flow is changed into potential energy, generates high pressure draught.Spiral impeller channel makes
The air inlet of the centrifugal blower is arranged along the radial direction of centrifugal blower, can make full use of the negative pressure that impeller channel locally generates
Power increases the air flow rate of air inlet, and ensures continuous, stable delivery air.The centrifugal blower has axial length not
It is restricted, output gas flow pressure is larger, the higher advantage of efficiency.
Detailed description of the invention
Fig. 1 is the axonometric drawing of the centrifugal blower.
Fig. 2 is the isometric cutaway view of the centrifugal blower.Along axis cutting.
Fig. 3 is the isometric cutaway view that base, water conservancy diversion spiral case are installed together.
Fig. 4 is the isometric cutaway view of water conservancy diversion spiral case.
Fig. 5 is the isometric cutaway view of the centrifugal blower.Axially section cutting.
Fig. 6 is the isometric cutaway view of base.
Fig. 7 is the axonometric drawing of water conservancy diversion spiral case.It projects from bottom to top.
Fig. 8 is the axonometric drawing of water conservancy diversion spiral case.
Fig. 9 is the isometric cutaway view that side plate two, axle sleeve two are installed together.
Figure 10 is the isometric cutaway view that side plate one, axle sleeve one are installed together.
Figure 11 is the isometric cutaway view of wheel member.
Figure 12 is the axonometric drawing of impeller.
Figure 13 is the isometric cutaway view that impeller end plate two, space washer two, shaft two are installed together.
Figure 14 is the isometric cutaway view that impeller end plate one, space washer one, shaft one are installed together.
Air flow path schematic diagram when Figure 15 is centrifugal blower operation.
Base 1, water conservancy diversion spiral case 2, impeller 3, impeller end plate 24, space washer 25, axle sleeve 26, shaft are labeled in figure
27, side plate 28, screw 9, bolt hole 10, air inlet airflow direction 11, air inlet 12, shaft 1, axle sleeve 1, locating pad
Enclose one 15, side plate 1, impeller end plate 1, air outlet 18, air outlet airflow direction 19, front panel 1, volute tongue plate 1,
Volute tongue plate 2 22, spiral case plate 23, base end plate 2 24, pilot hole 25, squab panel 26, fixed gusset 2 27, base end plate 1,
Front panel 2 29, spiral case end plate 31, installing web plate 2 32, installing web plate 1, water conservancy diversion spiral case plate 34, adds fixed gusset 1
Strengthening tendons plate 35, water conservancy diversion spiral case front edge of board 36, side plate boss 2 37, side plate boss 1, impeller screw hole 39, impeller channel 40,
Impeller blade 41, impeller connecting cylinder 42, impeller gas transmission path 43, impeller gas transmission direction 44, internal thread hole 45, spiral case Inner chamber 46,
Air flow path 47, air inlet Inner chamber 48, impeller direction of rotation 49, Inner chamber partition 1, Inner chamber partition 2 51, water conservancy diversion air inlet 52.
Specific embodiment
The present invention is further discussed below with reference to the accompanying drawing.
Referring to Fig.1, Fig. 2, Figure 12, Figure 15, the centrifugal blower include support component, water conservancy diversion spiral case 2, wheel member.It leads
Stream spiral case 2 is mounted on support component inner cavity, and wheel member is mounted on 2 inner cavity of water conservancy diversion spiral case, and motor is mounted on support component axis
To one end.When the centrifugal blower is run, the impeller 3 of motor-driven impeller component rotates, under the influence of centrifugal force, air-flow
It is accelerated during along the flowing of the spiral impeller channel 40 of impeller 3, air-flow in impeller channel 40 is from water conservancy diversion spiral case plate
When front end 36 enters the Inner chamber of water conservancy diversion spiral case 2, the spiral case Inner chamber 46 of 23 radially inner side of spiral case plate of water conservancy diversion spiral case 2 and base 1 is cut
Area is gradually increased, and air-flow slows down pressurization in spiral case Inner chamber 46, and the kinetic energy that impeller 3 passes to air-flow is changed into potential energy, is produced
Raw high pressure draught.
Referring to figs. 1 to Figure 14,2 axial cross section of water conservancy diversion spiral case is in Ω shape, 2 axial cross section straight length portion of water conservancy diversion spiral case difference
It is installing web plate 2 32, installing web plate 1,2 axial cross section curved section part of water conservancy diversion spiral case is C-shaped stiffener plate 35.It leads
Stream 2 axial ends of spiral case respectively has a fan-shaped spiral case end plate 31, has water conservancy diversion spiral case plate, water conservancy diversion between two spiral case end plates 31
Spiral case board ends link together with two 31 axially inner sides of spiral case end plate respectively.Water conservancy diversion spiral case plate cross sectional shape is spiral
Line or involute.Water conservancy diversion spiral case plate one end links together with installing web plate 2 32, and the water conservancy diversion spiral case plate other end is water conservancy diversion spiral case
Front edge of board 36 is water conservancy diversion air inlet 52 between water conservancy diversion spiral case front edge of board 36 and installing web plate 1.Between two spiral case end plates 31
Several stiffener plates 35 are axially distributed with, each stiffener plate 35 links together with water conservancy diversion spiral case plate, also, every
One 35 radial inside portion of stiffener plate extends to water conservancy diversion spiral case plate radially inner side and forms Inner chamber partition 2 51.
Support component includes base 1, side plate 1, axle sleeve 1, side plate 28, axle sleeve 26.Axle sleeve 1, axle sleeve 26
It is cylindrical, it is sleeve central bore among axle sleeve 1,26 axial end face of axle sleeve.
1 axial ends of base is base end plate 1, base end plate 2 24 respectively.Base end plate 1 is in rectangle, base
It is pilot hole 25 among end plate 1, there are several bolts hole 10 around base end plate 1.Base end plate 2 24 is in rectangle, machine
It is pilot hole 25 among seat end plate 2 24, there are several bolts hole 10 around base end plate 2 24.It is spiral case plate among base 1
23,23 top half cross sectional shape of spiral case plate is helix or involute, and 23 lower half portion cross sectional shape of spiral case plate is helix
Tangent line or involute tangent line.23 lower end of spiral case plate links together with one 20 upper end of front panel, 23 upper end of spiral case plate with
Fixed 2 27 right side one end of gusset links together, and fixed 2 27 left side one end of gusset links together with 26 lower end of squab panel.
2 22 lower end of volute tongue plate links together with one 21 left side one end of volute tongue plate, and 2 22 section of volute tongue plate is arc-shaped, volute tongue plate two
Angle between 22 and volute tongue plate 1 is at an acute angle, and one 21 right side one end of volute tongue plate links together with 2 29 lower end of front panel,
2 22 upper end of volute tongue plate links together with fixed one 30 left side one end of gusset.Fixed gusset 2 27, fixed gusset 1 are distinguished
There are several bolts hole 10.Squab panel 26, fixed gusset 2 27, fixed gusset 1, spiral case plate 23, front panel 1, front wall
Plate 2 29, volute tongue plate 1, volute tongue plate 2 22 both ends respectively with base end plate 1,2 24 axially inner side of base end plate
It links together.
When the centrifugal blower assembles, wheel member passes through the pilot hole 25 of base end plate 1 or passes through base end plate
2 24 pilot hole 25, wheel member is mounted between the spiral case plate 23 of base 1 and volute tongue plate 2 22, and water conservancy diversion spiral case 2 is pacified
Mounted in the upper end of wheel member, and wheel member is made to be located at 2 inner cavity of water conservancy diversion spiral case.34 He of water conservancy diversion spiral case plate of water conservancy diversion spiral case 2
The spiral case plate 23 of base 1, volute tongue plate 1, volute tongue plate 2 22, base end plate 1, constitute between base end plate 2 24 it is semiclosed
Spiral case Inner chamber 46.Spiral case Inner chamber 46 is air outlet 18 close to one end of front panel 1, front panel 2 29.Squab panel 26 is consolidated
Determine gusset 2 27, volute tongue plate 2 22, volute tongue plate 1, front panel 2 29, base end plate 1, constitute between base end plate 2 24
Semi-enclosed air inlet Inner chamber 48.It is air inlet 12 that Inner chamber 48, which is entered the wind, close to one end of squab panel 26, front panel 2 29.Base 1
Several Inner chamber partitions 1 are axially distributed in spiral case Inner chamber 46 between spiral case plate 23 and volute tongue plate 1.Each machine
The Inner chamber partition 1 of seat 1 is axially aligned with the Inner chamber partition 2 51 of a water conservancy diversion spiral case 2.Several Inner chamber partitions 1
Spiral case Inner chamber 46 is axially separated into several spiral cases Inner chamber runner with Inner chamber partition 2 51.
Side plate 1 is in rectangle, there is the side plate boss 1 of annular, side plate boss 1 among the axial one end of side plate 1
Centre is side plate axis hole, has axle sleeve mounting groove one among the axial other end of side plate 1, axle sleeve 1 is mounted on side plate 1
In axle sleeve mounting groove one, there are several bolts hole 10 around side plate 1.Support component distinguishes several bolts in assembly
Across the bolt hole 10 of the base end plate 1 of the bolt hole 10 and base 1 of side plate 1, side plate 1 is made to be mounted on base 1
The axially external surface of base end plate 1.Side plate 28 is in rectangle, there is the side plate boss of annular among the axial one end of side plate 28
2 37, it is side plate axis hole among side plate boss 2 37, has axle sleeve mounting groove two among the axial other end of side plate 28, axle sleeve 26 is pacified
In the axle sleeve mounting groove two of side plate 28, there are several bolts hole 10 around side plate 28.Support component assembly when, if
Dry bolt is each passed through the bolt hole 10 of the bolt hole 10 of side plate 28 and the base end plate 2 24 of base 1, pacifies side plate 28
Mounted in the axially external surface of the base end plate 2 24 of base 1.
Wheel member includes impeller 3, impeller end plate 24, space washer 25, shaft 27, shaft 1, space washer one
15, impeller end plate 1.Shaft 1, shaft 27 are cylindrical.Space washer 1, space washer 25 in a ring, position
It is washer center hole among washer 1,25 axial end face of space washer.
It is cylindrical circular impeller connecting cylinder 42, the radial appearance of 42 axial ends of impeller connecting cylinder among impeller 3 is radial
There is impeller screw hole 39 in face respectively, and 42 radial outside of impeller connecting cylinder is evenly equipped with several impeller blades 41, and impeller blade 41 is in
Spiral shape is helical impeller channel 40 between two neighboring impeller blade 41.
Impeller end plate 1 is end plate axis hole, one 17 diameter of impeller end plate among one 17 axial end face of impeller end plate in a ring
Exterior surface has radial internal thread hole 45.Impeller end plate 24 is end plate axis among 24 axial end face of impeller end plate in a ring
Hole, 24 radially-outer surface of impeller end plate have radial internal thread hole 45.
Wheel member is welded on the radially-outer surface of impeller end plate 1 the impeller connecting cylinder 42 of impeller 3 in assembly
Right side one end radially inner side, and make the internal thread hole 45 of impeller end plate 1 and the impeller spiral shell of 42 right side one end of impeller connecting cylinder
Nail hole 39 is aligned, and one 13 one end of shaft is mounted in the end plate axis hole of impeller end plate 1, and screw 9 is passed through impeller connecting cylinder
The impeller screw hole 39 on 42 right sides one end, and screw 9 is mounted in the internal thread hole 45 of impeller end plate 1, make shaft one
13 are fixed together with impeller end plate 1, and the axis for making the other end of shaft 1 be located at impeller end plate 1 is outside
Side, is mounted on the washer center hole of space washer 1 radial outside of shaft 1, and makes one 15 left side of space washer
End face contacts with one 17 right end face of impeller end plate and is installed together.The radially-outer surface of impeller end plate 24 is welded on impeller 3
42 left side one end radially inner side of impeller connecting cylinder, and keep the internal thread hole 45 of impeller end plate 24 and impeller connecting cylinder 42 left
The impeller screw hole 39 of side one end is aligned, and 27 one end of shaft is mounted in the end plate axis hole of impeller end plate 24, screw 9 is worn
The impeller screw hole 39 of 42 left side one end of impeller connecting cylinder is crossed, and screw 9 is mounted on the internal thread hole 45 of impeller end plate 24
In, it is fixed together shaft 27 with impeller end plate 24, and the other end of shaft 27 is made to be located at impeller end plate 24
It is axially external, the washer center hole of space washer 25 is mounted on the radial outside of shaft 27, and make space washer 25
Right end face is contacted with 24 left end face of impeller end plate and is installed together.
Wheel member is passed through the pilot hole 25 of base end plate 1 or passes through base by the centrifugal blower in assembly
The pilot hole 25 of end plate 2 24, wheel member is mounted between the spiral case plate 23 of base 1 and volute tongue plate 2 22.Make shaft 1
Radially-outer surface middle position is mounted in the sleeve central bore of axle sleeve 1, and passes through the axially external one end of shaft 1
The side plate axis hole of side plate 1 makes the axially external one end of shaft 1 be located at side plate 1 axially external.Keep 27 diameter of shaft outside
Surface middle position is mounted in the sleeve central bore of axle sleeve 26, and the axially external one end of shaft 27 is made to pass through side plate 28
Side plate axis hole, so that the axially external one end of shaft 27 is located at side plate 28 axially external.Water conservancy diversion spiral case 2 is mounted on wheel member
Upper end, and wheel member is made to be located at 2 inner cavity of water conservancy diversion spiral case.And the installing web plate of water conservancy diversion spiral case 22 32 is mounted on machine
2 27 upper surface of fixation gusset of seat 1, the installing web plate 1 of water conservancy diversion spiral case 2 is mounted on the fixation gusset 1 of base 1
Surface.Several bolts are each passed through the bolt hole 10 of the installing web plate 2 32 of water conservancy diversion spiral case 2 and the fixation gusset two of base 1
27 bolt hole 10 is each passed through several bolts the bolt hole 10 of installing web plate 1 and the consolidating for base 1 of water conservancy diversion spiral case 2
The bolt hole 10 for determining gusset 1, is fixed together water conservancy diversion spiral case 2 with base 1.The shaft and shaft one of motor
13 link together, alternatively, the shaft of motor is linked together with shaft 27.
Referring to Fig.1, Fig. 2, Figure 12, Figure 15, the centrifugal blower operational process are：
When the centrifugal blower is run, motor drives impeller 3 along impeller rotation side by shaft 1, impeller end plate 1
To 49 rotations, alternatively, motor drives impeller 3 to rotate along impeller direction of rotation 49 by shaft 27, impeller end plate 24.Leaf
Wheel 3 along impeller direction of rotation 49 rotate when, make enter the wind Inner chamber 48 in air-flow pass through water conservancy diversion spiral case 2 water conservancy diversion air inlet 52 into
Enter in the impeller channel 40 of impeller 3, under the influence of centrifugal force, the air-flow in impeller channel 40 is flowed along impeller gas transmission direction 44
Dynamic, air-flow is accelerated during flowing along the spiral impeller channel 40 of impeller 3, and the air-flow in impeller channel 40 is from water conservancy diversion
When spiral case front edge of board 36 enters the Inner chamber of water conservancy diversion spiral case 2, the spiral case Inner of 23 radially inner side of spiral case plate of water conservancy diversion spiral case 2 and base 1
46 sectional area of chamber is gradually increased, and air-flow slows down pressurization in spiral case Inner chamber 46, and the kinetic energy that impeller 3 passes to air-flow is changed into gesture
Can, generate high pressure draught.Air-flow in spiral case Inner chamber 46 is discharged along air outlet airflow direction 19 from air outlet 18.Air-flow is in leaf
When taking turns the flowing of 3 spiral 40 high speeds of impeller channel, negative pressure can be generated in 40 part of impeller channel, the negative pressure is further
The air-flow in air inlet Inner chamber 48 is attracted to enter in the impeller channel 40 of impeller 3.Volute tongue plate 2 22 prevents the gas in impeller channel 40
Stream is back to air inlet Inner chamber 48 under the influence of centrifugal force.Several Inner chamber partitions 1 and Inner chamber partition 2 51 are spiral case Inner chamber
46 are axially separated into several spiral cases Inner chamber runner, are distributed 18 air-flow of centrifugal fan air outlet axially more
Uniformly.
When the centrifugal blower is run, motor-driven impeller 3 rotates, and under the influence of centrifugal force, air-flow is along impeller 3
Spiral impeller channel 40 is accelerated during flowing, and the air-flow in impeller channel 40 enters from water conservancy diversion spiral case front edge of board 36
When the Inner chamber of water conservancy diversion spiral case 2,46 sectional area of spiral case Inner chamber of 23 radially inner side of spiral case plate of water conservancy diversion spiral case 2 and base 1 gradually increases
Greatly, air-flow slows down pressurization in spiral case Inner chamber 46, and the kinetic energy that impeller 3 passes to air-flow is changed into potential energy, generates high pressure draught.
Spiral impeller channel 40 arranges that the air inlet of the centrifugal blower along the radial direction of centrifugal blower, can make full use of leaf
The negative pressure that wheel runner 40 locally generates increases the air flow rate of air inlet 12, and ensures continuous, stable delivery air.Institute
Stating centrifugal blower has the advantages that axial length is unrestricted, output gas flow pressure is larger, efficiency is higher.
Claims (2)
1. a kind of helical blade centrifugal blower, it is characterised in that：The centrifugal blower includes support component, water conservancy diversion spiral case (2), leaf
Wheel component；Water conservancy diversion spiral case (2) is mounted on support component inner cavity, and wheel member is mounted on water conservancy diversion spiral case (2) inner cavity, motor installation
In support component axial direction one end；When the centrifugal blower is run, impeller (3) rotation of motor-driven impeller component is being centrifuged
Under the action of power, air-flow is accelerated during flowing along impeller (3) spiral impeller channel (40), impeller channel (40)
In air-flow from water conservancy diversion spiral case front edge of board (36) enter water conservancy diversion spiral case (2) Inner chamber when, the snail of water conservancy diversion spiral case (2) and base (1)
Spiral case Inner chamber (46) sectional area of coverboard (23) radially inner side is gradually increased, and air-flow slows down in spiral case Inner chamber (46) to be pressurized,
The kinetic energy that impeller (3) passes to air-flow is changed into potential energy, generates high pressure draught；
Water conservancy diversion spiral case (2) axial cross section is in Ω shape, and water conservancy diversion spiral case (2) axial cross section straight length portion is installing web plate two respectively
(32), installing web plate one (33), water conservancy diversion spiral case (2) axial cross section curved section part are C-shaped stiffener plate (35)；Water conservancy diversion snail
Shell (2) axial ends respectively has a fan-shaped spiral case end plate (31), has water conservancy diversion spiral case plate between two spiral case end plates (31), leads
Stream spiral case board ends link together with two spiral case end plate (31) axially inner sides respectively；Water conservancy diversion spiral case plate cross sectional shape is
Helix or involute；Water conservancy diversion spiral case plate one end links together with installing web plate two (32), and the water conservancy diversion spiral case plate other end is to lead
It flows spiral case front edge of board (36), is water conservancy diversion air inlet (52) between water conservancy diversion spiral case front edge of board (36) and installing web plate one (33)；Two
Several stiffener plates (35) are axially distributed between spiral case end plate (31), each stiffener plate (35) and water conservancy diversion spiral case
Plate links together, also, each stiffener plate (35) radial inside portion extends to water conservancy diversion spiral case plate radially inner side and formed
Inner chamber partition two (51)；
Support component includes base (1), side plate one (16), axle sleeve one (14), side plate two (8), axle sleeve two (6)；Axle sleeve one (14),
Axle sleeve two (6) is cylindrical, is sleeve central bore among axle sleeve one (14), axle sleeve two (6) axial end face；
Base (1) axial ends is base end plate one (28), base end plate two (24) respectively；Base end plate one (28) is in rectangle,
It is pilot hole (25) among base end plate one (28), there are several bolts hole (10) around base end plate one (28)；Base end plate
Two (24) are in rectangle, are pilot hole (25) among base end plate two (24), there is several bolts hole around base end plate two (24)
(10)；It is spiral case plate (23) that base (1) is intermediate, and spiral case plate (23) top half cross sectional shape is helix or involute, spiral case
Plate (23) lower half portion cross sectional shape is the tangent line of helix or the tangent line of involute；Spiral case plate (23) lower end and front panel one
(20) upper end links together, and spiral case plate (23) upper end links together with one end on the right side of fixed gusset two (27), fixed gusset
One end links together with squab panel (26) lower end on the left of two (27)；One on the left of volute tongue plate two (22) lower end and volute tongue plate one (21)
End links together, and volute tongue plate two (22) section is arc-shaped, the angle between volute tongue plate two (22) and volute tongue plate one (21) at
Acute angle, volute tongue plate one (21) right side one end link together with front panel two (29) lower end, volute tongue plate two (22) upper end and fixation
One end links together on the left of gusset one (30)；There are several bolts hole in fixed gusset two (27), fixed gusset one (30) respectively
(10)；Squab panel (26), fixed gusset two (27), fixed gusset one (30), spiral case plate (23), front panel one (20), front panel
Two (29), volute tongue plate one (21), the both ends of volute tongue plate two (22) are axial with base end plate one (28), base end plate two (24) respectively
Inner surface links together；
When the centrifugal blower assembles, wheel member passes through the pilot hole (25) of base end plate one (28) or passes through base end plate
The pilot hole (25) of two (24), wheel member is mounted between the spiral case plate (23) of base (1) and volute tongue plate two (22), leading
Stream spiral case (2) is mounted on the upper end of wheel member, and wheel member is made to be located at water conservancy diversion spiral case (2) inner cavity；Water conservancy diversion spiral case (2)
The spiral case plate (23) of water conservancy diversion spiral case plate (34) and base (1), volute tongue plate one (21), volute tongue plate two (22), base end plate one (28),
Semi-enclosed spiral case Inner chamber (46) is constituted between base end plate two (24)；Spiral case Inner chamber (46) is close to front panel one (20), front wall
One end of plate two (29) is air outlet (18)；Squab panel (26), fixed gusset two (27), volute tongue plate two (22), volute tongue plate one
(21), front panel two (29), base end plate one (28), constitute semi-enclosed air inlet Inner chamber (48) between base end plate two (24)；
It is air inlet (12) that Inner chamber (48), which are entered the wind, close to one end of squab panel (26), front panel two (29)；The spiral case plate (23) of base (1)
Several Inner chamber partitions one (50) are axially distributed in spiral case Inner chamber (46) between volute tongue plate one (21)；Each base
(1) Inner chamber partition one (50) is axially aligned with the Inner chamber partition two (51) of a water conservancy diversion spiral case (2)；Several Inner chambers every
Spiral case Inner chamber (46) is axially separated into several spiral cases Inner chamber runner by plate one (50) and Inner chamber partition two (51)；
Side plate one (16) is in rectangle, there is the side plate boss one (38) of annular, side plate boss one among side plate one (16) axial direction one end
(38) intermediate is side plate axis hole, has axle sleeve mounting groove one among side plate one (16) the axial direction other end, axle sleeve one (14) is mounted on side
In the axle sleeve mounting groove one of plate one (16), there are several bolts hole (10) around side plate one (16)；Support component assembly when,
Several bolts are each passed through the bolt hole of the bolt hole (10) of side plate one (16) and the base end plate one (28) of base (1)
(10), side plate one (16) is made to be mounted on the axially external surface of the base end plate one (28) of base (1)；Side plate two (8) is in rectangle,
There is the side plate boss two (37) of annular among side plate two (8) axial direction one end, it is side plate axis hole, side plate that side plate boss two (37) is intermediate
There is axle sleeve mounting groove two among the axial direction other end of two (8), axle sleeve two (6) is mounted in the axle sleeve mounting groove two of side plate two (8), side
There are several bolts hole (10) around plate two (8)；Several bolts are each passed through side plate two (8) in assembly by support component
Bolt hole (10) and base (1) base end plate two (24) bolt hole (10), so that side plate two (8) is mounted on base (1)
The axially external surface of base end plate two (24)；
Wheel member includes impeller (3), impeller end plate two (4), space washer two (5), shaft two (7), shaft one (13), positioning
Washer one (15), impeller end plate one (17)；Shaft one (13), shaft two (7) are cylindrical；Space washer one (15), locating pad
It encloses two (5) in a ring, is washer center hole among space washer one (15), space washer two (5) axial end face；
It is cylindrical circular impeller connecting cylinder (42) among impeller (3) is radial, the diameter of impeller connecting cylinder (42) axial ends is outside
Surface has impeller screw hole (39) respectively, and impeller connecting cylinder (42) radial outside is evenly equipped with several impeller blades (41), impeller
Blade (41) is helical impeller channel (40) between two neighboring impeller blade (41) twist；
Impeller end plate one (17) is end plate axis hole, impeller end plate one (17) among impeller end plate one (17) axial end face in a ring
Radially-outer surface has radial internal thread hole (45)；Impeller end plate two (4) in a ring, among impeller end plate two (4) axial end face
It is end plate axis hole, impeller end plate two (4) radially-outer surface has radial internal thread hole (45)；
Wheel member is welded on the radially-outer surface of impeller end plate one (17) the impeller connecting cylinder of impeller (3) in assembly
(42) right side one end radially inner side, and make internal thread hole (45) and impeller connecting cylinder (42) right side one of impeller end plate one (17)
The impeller screw hole (39) at end is aligned, and shaft one (13) one end is mounted in the end plate axis hole of impeller end plate one (17), spiral shell
It follows closely (9) and passes through the impeller screw hole (39) of one end on the right side of impeller connecting cylinder (42), and screw (9) is mounted on impeller end plate one
(17) in internal thread hole (45), it is fixed together shaft one (13) with impeller end plate one (17), and make shaft one
(13) the other end is located at the axially external of impeller end plate one (17), and the washer center hole of space washer one (15) is mounted on and is turned
The radial outside of axis one (13), and space washer one (15) left end face is made to contact peace with impeller end plate one (17) right end face
It is fitted together；It is radial the radially-outer surface of impeller end plate two (4) to be welded on one end on the left of the impeller connecting cylinder (42) of impeller (3)
Inside, and make the internal thread hole (45) of impeller end plate two (4) and the impeller screw hole of impeller connecting cylinder (42) left side one end
(39) it is aligned, shaft two (7) one end is mounted in the end plate axis hole of impeller end plate two (4), screw (9) is connected across impeller
The impeller screw hole (39) of one end on the left of cylinder (42), and screw (9) is mounted on the internal thread hole (45) of impeller end plate two (4)
In, it is fixed together shaft two (7) with impeller end plate two (4), and the other end of shaft two (7) is made to be located at impeller end
Plate two (4) it is axially external, the washer center hole of space washer two (5) is mounted on the radial outside of shaft two (7), and make
Space washer two (5) right end face is contacted with impeller end plate two (4) left end face and is installed together；
Wheel member is passed through the pilot hole (25) of base end plate one (28) or passes through base by the centrifugal blower in assembly
The pilot hole (25) of end plate two (24), wheel member is mounted between the spiral case plate (23) of base (1) and volute tongue plate two (22)；
It is mounted on shaft one (13) radially-outer surface middle position in the sleeve central bore of axle sleeve one (14), and makes shaft one (13)
Axially external one end passes through the side plate axis hole of side plate one (16), and the axially external one end of shaft one (13) is made to be located at side plate one (16) axis
Outward；It is mounted on shaft two (7) radially-outer surface middle position in the sleeve central bore of axle sleeve two (6), and makes shaft
The axially external one end in two (7) passes through the side plate axis hole of side plate two (8), and the axially external one end of shaft two (7) is made to be located at side plate two (8)
It is axially external；Water conservancy diversion spiral case (2) is mounted on the upper end of wheel member, and wheel member is made to be located at water conservancy diversion spiral case (2) inner cavity；
And the installing web plate two (32) of water conservancy diversion spiral case (2) is mounted on fixation gusset two (27) upper surface of base (1), water conservancy diversion snail
The installing web plate one (33) of shell (2) is mounted on fixation gusset one (30) upper surface of base (1)；Several bolts are each passed through
The bolt hole (10) of the fixation gusset two (27) of the bolt hole (10) and base (1) of the installing web plate two (32) of water conservancy diversion spiral case (2),
Several bolts are each passed through the bolt hole (10) of the installing web plate one (33) of water conservancy diversion spiral case (2) and the fixing muscle of base (1)
The bolt hole (10) of plate one (30), is fixed together water conservancy diversion spiral case (2) with base (1)；The shaft of motor with turn
Axis one (13) links together, alternatively, the shaft of motor is linked together with shaft two (7).
2. a kind of application method of helical blade centrifugal blower according to claim 1, it is characterised in that：The centrifugation wind
Machine operational process is：
When the centrifugal blower is run, motor is by shaft one (13), impeller end plate one (17) driving impeller (3) along impeller
Direction of rotation (49) rotation, alternatively, motor is revolved by shaft two (7), impeller end plate two (4) driving impeller (3) along impeller
Turn direction (49) rotation；When impeller (3) is rotated along impeller direction of rotation (49), passes through the air-flow in air inlet Inner chamber (48) and lead
The water conservancy diversion air inlet (52) for flowing spiral case (2) enters in the impeller channel (40) of impeller (3), under the influence of centrifugal force, impeller stream
Air-flow in road (40) is flowed along impeller gas transmission direction (44), and air-flow is flowed along impeller (3) spiral impeller channel (40)
It is accelerated in dynamic process, the air-flow in impeller channel (40) enters the Inner of water conservancy diversion spiral case (2) from water conservancy diversion spiral case front edge of board (36)
When chamber, spiral case Inner chamber (46) sectional area of spiral case plate (23) radially inner side of water conservancy diversion spiral case (2) and base (1) is gradually increased, gas
Stream slows down in spiral case Inner chamber (46) to be pressurized, and the kinetic energy that impeller (3) passes to air-flow is changed into potential energy, generates high pressure draught；
Air-flow in spiral case Inner chamber (46) is discharged along air outlet airflow direction (19) from air outlet (18)；Air-flow is in impeller (3) spiral
When impeller channel (40) the high speed flowing of shape, negative pressure can be locally generated in impeller channel (40), which further inhales
The air-flow introduced in wind Inner chamber (48) enters in the impeller channel (40) of impeller (3)；Volute tongue plate two (22) prevents impeller channel
(40) air-flow in is back to air inlet Inner chamber (48) under the influence of centrifugal force；Several Inner chamber partitions one (50) and Inner chamber partition
Spiral case Inner chamber (46) is axially separated into several spiral cases Inner chamber runner by two (51), makes the centrifugal fan air outlet (18)
Air-flow is axially distributed more uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810779158.1A CN108916078A (en) | 2018-07-16 | 2018-07-16 | Helical blade centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810779158.1A CN108916078A (en) | 2018-07-16 | 2018-07-16 | Helical blade centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108916078A true CN108916078A (en) | 2018-11-30 |
Family
ID=64413910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810779158.1A Withdrawn CN108916078A (en) | 2018-07-16 | 2018-07-16 | Helical blade centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108916078A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707641A (en) * | 2019-03-12 | 2019-05-03 | 彰武永红机械制造有限公司 | A kind of centrifugal blower rotary air centrifugal force generating device |
| CN109763987A (en) * | 2019-03-12 | 2019-05-17 | 彰武永红机械制造有限公司 | A kind of centrifugal blower |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4733542A (en) * | 1986-12-05 | 1988-03-29 | Enviromaster International Corporation | Cabinet for air conditioning system |
| CN1164619A (en) * | 1996-01-18 | 1997-11-12 | 三菱电机株式会社 | DC blasting vane wheel |
| CN2376552Y (en) * | 1999-05-11 | 2000-05-03 | 胡敏德 | Screw type impeller axial-flow fan |
| CN201221497Y (en) * | 2008-06-20 | 2009-04-15 | 李龚川 | Novel impeller |
| CN102261698A (en) * | 2010-05-27 | 2011-11-30 | 海尔集团公司 | Underfloor air supply heating device and air conditioner with same |
| CN107388371A (en) * | 2017-08-01 | 2017-11-24 | 青岛海尔空调器有限总公司 | Wall-hanging air conditioner indoor unit |
-
2018
- 2018-07-16 CN CN201810779158.1A patent/CN108916078A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4733542A (en) * | 1986-12-05 | 1988-03-29 | Enviromaster International Corporation | Cabinet for air conditioning system |
| CN1164619A (en) * | 1996-01-18 | 1997-11-12 | 三菱电机株式会社 | DC blasting vane wheel |
| CN2376552Y (en) * | 1999-05-11 | 2000-05-03 | 胡敏德 | Screw type impeller axial-flow fan |
| CN201221497Y (en) * | 2008-06-20 | 2009-04-15 | 李龚川 | Novel impeller |
| CN102261698A (en) * | 2010-05-27 | 2011-11-30 | 海尔集团公司 | Underfloor air supply heating device and air conditioner with same |
| CN107388371A (en) * | 2017-08-01 | 2017-11-24 | 青岛海尔空调器有限总公司 | Wall-hanging air conditioner indoor unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707641A (en) * | 2019-03-12 | 2019-05-03 | 彰武永红机械制造有限公司 | A kind of centrifugal blower rotary air centrifugal force generating device |
| CN109763987A (en) * | 2019-03-12 | 2019-05-17 | 彰武永红机械制造有限公司 | A kind of centrifugal blower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206221315U (en) | Blower fan | |
| CN108869333A (en) | Helical blade air pressing type centrifugal blower | |
| US3444817A (en) | Fluid pump | |
| CN108916078A (en) | Helical blade centrifugal blower | |
| CN106382254A (en) | Impeller | |
| CN207500161U (en) | A kind of shaftless wind turbine of wheel rim drive-type | |
| EA012818B1 (en) | Rotor for rotary machine and a rotary machine | |
| CN110374925A (en) | A kind of bilayer collector and the flow-mixing blower fan for assembling the double-deck collector | |
| CN209180085U (en) | A kind of flow-guiding type air intake centrifugal blower | |
| CN207406501U (en) | A kind of double air intake centrifugal wind turbines of Wind Volume | |
| CN108843603A (en) | Centrifugal blower arranged side by side | |
| CN108443221A (en) | A kind of centrifugation blade and air cleaning facility | |
| CN206054382U (en) | A kind of spiral case and application have the centrifugal blower of the spiral case | |
| RU2482337C1 (en) | Method for increasing pressure and economy of bladed turbomachines | |
| US2460122A (en) | Pump | |
| CN108980079A (en) | Through-flow is centrifuged hybrid blower | |
| CN209586720U (en) | A kind of centrifugal blower rotary air centrifugal force generating device | |
| CN205207221U (en) | Fan | |
| CN108980080A (en) | Helical blade through-flow is centrifuged hybrid blower | |
| CN209925294U (en) | High-efficient single-suction centrifugal fan impeller and centrifugal fan | |
| CN108869332A (en) | Coaxial two-stage cross flow fan | |
| CN206608362U (en) | Impeller | |
| CN108916077A (en) | Air pressing type cross flow fan | |
| CN110081019A (en) | A kind of efficient single suction centrifugal blower fan blade wheel and centrifugal blower | |
| CN215344175U (en) | Outer rotor motor support, fan and range hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181130 |
|
| WW01 | Invention patent application withdrawn after publication |