CN107313951A - Double centrifugal blowers and air conditioner - Google Patents
Double centrifugal blowers and air conditioner Download PDFInfo
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- CN107313951A CN107313951A CN201710662827.2A CN201710662827A CN107313951A CN 107313951 A CN107313951 A CN 107313951A CN 201710662827 A CN201710662827 A CN 201710662827A CN 107313951 A CN107313951 A CN 107313951A
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- wheel hub
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- end plates
- spiral case
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- 230000009467 reduction Effects 0.000 claims abstract description 13
- 241000237858 Gastropoda Species 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000005119 centrifugation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/002—Details, component parts, or accessories 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
- F04D29/26—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
- F04D29/40—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
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/424—Double entry 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
Landscapes
- 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 pair of centrifugal blower and air conditioner, described pair of centrifugal blower includes spiral case, double centrifugal wind wheels, motor rack and motor.Spiral case, which has, is equipped with air inlet on two end plates being oppositely arranged and the coaming plate being connected between two end plates, each end plate, the circumferential two ends of coaming plate surround air outlet with two end plates.Double centrifugal wind wheels include blade ring and wheel hub, wheel hub is located in blade ring, the periphery wall of wheel hub is provided with multiple slots of circumferentially spaced arrangement, multiple blades are inserted in slot correspondingly, the part that blade ring is located at wheel hub both sides constitutes a centrifugal wind wheel with wheel hub respectively, and double centrifugal wind wheels are located in spiral case.Motor rack is fixed on coaming plate and provided with drag reduction hole, and motor is located on motor rack, and the motor shaft of motor is connected with wheel hub.Double centrifugal blowers of the embodiment of the present invention have production cost relatively low, and lighter in weight, air-out volume is larger, the less feature of operating noise.
Description
Technical field
The present invention relates to air-conditioning equipment field, more particularly to a kind of pair of centrifugal blower and air conditioner.
Background technology
In current air-conditioning equipment field China, the blower fan that air conditioner is used, generally existing air quantity is small, noise asking greatly
Topic.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention is directed to propose one
Double centrifugal blowers are planted, the air quantity of described pair of centrifugal blower is big, and noise is small.
The present invention, which also aims to proposition, a kind of includes the air conditioner of described pair of centrifugal blower.
Double centrifugal blowers according to embodiments of the present invention, including：Spiral case, the spiral case has two end plates being oppositely arranged
And the coaming plate being connected between two end plates, each it is equipped with air inlet, the circumferential two ends of the coaming plate on the end plate
Air outlet is surrounded with two end plates；Double centrifugal wind wheels, described pair of centrifugal wind wheel includes：Blade ring and wheel hub, the blade
Ring is formed by connecting by the multiple blades being intervally arranged, and the wheel hub is located in the blade ring, is set on the periphery wall of the wheel hub
There are multiple slots of circumferentially spaced arrangement, the multiple blade is inserted in the slot correspondingly, the blade ring
Part positioned at the wheel hub both sides constitutes a centrifugal wind wheel with the wheel hub respectively, and described pair of centrifugal wind wheel is located at the snail
In shell；Motor rack, the motor rack is fixed on the coaming plate, and the correspondence air inlet is provided with drag reduction hole on the motor rack；
Motor, the motor is located on the motor rack, and the motor shaft of the motor is stretched in the spiral case simultaneously from the air inlet
It is connected with the wheel hub.
Double centrifugal blowers according to embodiments of the present invention, because spiral case is spliced by end plate and coaming plate, reduce blower fan
Production cost, alleviate the weight of blower fan；Because double centrifugal wind wheels are formed using blade ring and wheel hub grafting, and the two is equal
For sheet metal component, the production technology of double centrifugal wind wheels is simplified, production cost is reduced into, alleviates wind wheel weight, while can be with
Increase the air-out volume of centrifugal blower, reduce blower fan work noise；Because the blade ring of centrifugal wind wheel is located at the portion of wheel hub both sides
Divide and constitute a centrifugal wind wheel with wheel hub respectively, double centrifugal wind wheels are located in spiral case, while motor rack is provided with drag reduction hole, realize
Blower fan is from two different direction air intakes or air-out.
In certain embodiments, the wheel hub is adjustably located on the blade ring vertically, described pair of centrifugal blower
Both sides intake is adjusted by adjusting the position of the wheel hub.
In certain embodiments, the edge of the motor rack and around the drag reduction hole be partially toward away from it is described it is double from
The direction of heart wind wheel extends to form reinforcement.
In some implementations, the wheel hub be formed with the inner of each slot in keep away groove, it is each it is described in keep away groove
The wheel hub described in insertion on the thickness direction of the wheel hub.
In some optional embodiments, the blade ring is weldingly fixed on the wheel hub.
In certain embodiments, each end plate is sheet metal component, and the coaming plate is sheet metal component, and the coaming plate is bent to
The periphery of axial both sides respectively with described two end plates is along being connected substantially after tubular, and the axial two ends difference of the coaming plate is radially
After outward bending, again bend radially inward to form bent plate, the periphery of each end plate is corresponding described curved along being inserted in
In plate.
Specifically, the circumferential two ends of the coaming plate respectively along away from the air inlet direction extend with formed tangential plate and
Snail tongue, the tangential plate extends along the direction parallel with the tangent line of the air inlet, and the snail tongue is away from the air inlet
Direction on gradually increase with the distance of the tangential plate, the tangential plate, the snail tongue and between two end plate shapes
Into the diffuser pipe of the spiral case, two end plates prolong in the direction away from the tangential plate that is partially toward of the snail tongue side
Stretch, the part that two end plates are located at outside the diffuser pipe constitutes reinforcing plate.
Specifically, the first hole clipping of the insertion on the thickness direction of the coaming plate is equipped with each bent plate, often
The periphery of the individual end plate is respectively equipped with the along provided with being inserted on the first card in first hole clipping, two end plates
Two hole clippings, the axial two ends of the coaming plate are respectively equipped with the second card being inserted in second hole clipping.
Air conditioner according to embodiments of the present invention, including described double centrifugal blowers.
Air conditioner according to embodiments of the present invention, due to comprising described double centrifugal blowers, therefore with operating noise compared with
It is small, the characteristics of air output is larger.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the stereogram of double centrifugal blowers of the embodiment of the present invention.
Fig. 2 is the other direction stereogram of double centrifugal blowers of the embodiment of the present invention.
Fig. 3 is the overall structure decomposing schematic representation of double centrifugal blowers of the embodiment of the present invention.
Fig. 4 is the front view of double centrifugal blowers of the embodiment of the present invention.
Fig. 5 is Fig. 4 A-A to sectional view.
Fig. 6 is the left view of double centrifugal blowers of the embodiment of the present invention.
Fig. 7 is Fig. 6 B-B direction sectional view.
Fig. 8 is the stereogram of double centrifugal wind wheels of the embodiment of the present invention.
Fig. 9 is the exploded view of double centrifugal wind wheels of the embodiment of the present invention.
Figure 10 is the wheel hub structure partial schematic diagram of double centrifugal wind wheels of the embodiment of the present invention.
Figure 11 is the blade shape schematic diagram of double centrifugal wind wheels of the embodiment of the present invention.
Figure 12 is the stereogram of the spiral case of the embodiment of the present invention.
Figure 13 is the structure decomposition figure of the spiral case of the embodiment of the present invention.
Figure 14 is the top view of the spiral case of the embodiment of the present invention.
Figure 15 is Figure 14 C-C to profile.
Figure 16 Figure 15 circles show the enlarged drawing at E.
Reference：
Double centrifugal blowers 1000,
Spiral case 100,
End plate 110, air inlet 111, air-ducting ring 112, reinforcing plate 113, the first card 114, the second hole clipping 115, coaming plate
120th, bent plate 121, the first hole clipping 1211, mounting groove 122, tangential plate 123, snail tongue 124, the second card 125, diffuser pipe 130, go out
Air port 140,
Double centrifugal wind wheels 200, blade ring 210, wheel hub 220, slot 221, it is interior keep away groove 222,
Motor rack 300, drag reduction hole 310, reinforcement 320,
Motor 400.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
The concrete structure of double centrifugal blowers 1000 according to embodiments of the present invention is described below with reference to Fig. 1-Figure 16.
As shown in Fig. 1-Fig. 7, double centrifugal blowers 1000 according to embodiments of the present invention, including spiral case 100, double centrifugal wind wheels
200th, motor 400 and motor rack 300.
As shown in Figure 12-Figure 13, spiral case 100 there are two end plates 110 for being oppositely arranged and be connected to two end plates 110 it
Between coaming plate 120, be equipped with air inlet 111 on each end plate 110, the circumferential two ends of coaming plate 120 are surrounded out with two end plates 110
Air port 140.
As Figure 8-Figure 10, double centrifugal wind wheels 200 include blade ring 210 and wheel hub 220, and blade ring 210 is arranged by interval
Multiple blades of cloth are formed by connecting, and wheel hub 220 is located on blade ring 210, and the periphery wall of wheel hub 220 is provided with circumferentially spaced
Multiple slots 221 of arrangement, multiple blades are inserted in multiple slots 221 correspondingly, and blade ring 210 is located at 220 liang of wheel hub
The part of side constitutes a centrifugal wind wheel with wheel hub 220 respectively, and double centrifugal wind wheels 200 are located in spiral case 100.
Alternatively, blade ring 210 is punched into bending, two ends after multiple blades of spaced relation by whole plate and is formed by connecting,
Wheel hub 220 is enclosed in blade ring 210, by blade ring 210 by whole plate be punched after bend and be formed by connecting, what vane plate 210 was processed
Number of parts greatly reduces, and is advantageously implemented automation and produces in enormous quantities, reduces processing cost.
As shown in Figure 1-Figure 3, motor rack 300 is fixed on coaming plate 120, and motor 400 is located on motor rack 300, motor 400
Motor shaft be connected with wheel hub 220.
It is understood that the spiral case of the centrifugal blower of prior art is usually cast member, need to manufacture mould during production,
And final product quality is larger.Thus cause that the production cost of centrifugal blower is higher, quality is larger, and the centrifugation wind of the embodiment of the present invention
The spiral case 100 of machine is spliced by end plate 110 and coaming plate 120, is reduced the cost of the production of spiral case 100, is alleviated blower fan
Weight.
It is understood that the centrifugal wind wheel of prior art is usually cast member, need to manufacture mould, and finished product during production
Quality is larger.Thus cause that the production cost of centrifugal blower is higher, quality is larger.Further, since the limitation of casting technique, centrifugation
It is very frivolous that the blade of wind wheel can not be manufactured, and draft angle, nothing would generally be formed especially for the root of conveniently stripped blade
Method processes blade ring according to optimal design, thus can influence the air-out volume of centrifugal blower.The centrifugal wind wheel of the embodiment of the present invention
Formed using blade ring 210 and the grafting of wheel hub 220, and both at sheet metal component, it is possible thereby to simplify the production work of centrifugal wind wheel
Skill, reduces production cost, mitigates wind wheel weight.Additionally due to blade ring 210 is sheet metal component, therefore blade can be manufactured very
It is frivolous, increase the air-out volume of centrifugal blower, reduce blower fan work noise.
It is understood that the part that blade ring 210 is located at the both sides of wheel hub 220 constitutes a centrifugation with wheel hub 220 respectively
Wind wheel, double centrifugal wind wheels 200 are located in spiral case 100.Thus the centrifugal wind wheel of the embodiment of the present invention can be realized from two differences
Direction air intake or air-out.
Double centrifugal blowers 1000 according to embodiments of the present invention, because spiral case 100 is spliced by end plate 110 and coaming plate 120
Into reducing the cost of the production of blower fan, alleviate the weight of blower fan；Because double centrifugal wind wheels 200 are using blade ring 210 and wheel
The grafting of hub 220 is formed, and both at sheet metal component, simplifies the production technology of double centrifugal wind wheels 200, reduces into production cost,
Wind wheel weight is alleviated, while the air-out volume of centrifugal blower can also be increased, blower fan work noise is reduced；Due to centrifugal wind wheel
Blade ring 210 be located at the parts of the both sides of wheel hub 220 and constitute a centrifugal wind wheel with wheel hub 220 respectively, double centrifugal wind wheels 200 set
In spiral case 100, blower fan is realized from two different direction air intakes or air-out.
In certain embodiments, as shown in figure 8, wheel hub 220 is adjustably located on blade ring 210 vertically, double centrifugations
Blower fan 1000 adjusts both sides intake by adjusting the position of wheel hub 220.Thus, it is possible to realize blower fan in two air-out directions
On air-out volume it is different, such user can design the air output of double centrifugal blowers 1000 according to actual needs, can be higher
Satisfaction be actually needed.
In certain embodiments, as shown in figure 1, motor rack 300 is provided with drag reduction hole 310.It is understood that of the invention
Double centrifugal blowers 1000 of embodiment can advantageously reduce motor on motor rack 300 from both sides air intake provided with drag reduction hole 310
The windage of the side air intake of frame 300, the intake of increase motor rack 300 side, so as to increase the air output of double centrifugal blowers 1000.
Specifically, as shown in figure 1, the edge of motor rack 300 and being partially toward away from double centrifugation wind around drag reduction hole 310
The direction of wheel 200 extends to form reinforcement 320.It is understood that due to double centrifugal blowers 1000 of the embodiment of the present invention
Spiral case 100 with double centrifugal wind wheels 200 is spliced using polylith sheet metal component.Therefore, the structure of double centrifugal blowers 1000 is strong
Degree is relatively low, and non-deformability is poor.Reinforcement 320 is set to be conducive to improving the knot of double centrifugal blowers 1000 on motor rack 300
Structure intensity, improves its non-deformability.
Alternatively, as shown in figure 1, motor rack 300 is formed as long plate shape, the two ends of motor rack 300 respectively with spiral case 100
End plate 110 is fixedly connected by screw.The center section of motor rack 300 is provided with motor 400, and motor rack 300 is located at motor
The part of 400 both sides forms drag reduction hole 310.
In certain embodiments, as shown in Figure 9 and Figure 10, blade and slot 221 arc that to be formed as curved shape consistent.
Thus, user more smooth can insert blade in slot 221, reduce causes for grafting misoperation in assembling
The phenomenon that deformable blade even fractures occurs.
In some implementations, as shown in Fig. 9-Figure 10, wheel hub 220 be formed with the inner of each slot 221 in keep away groove
222, it is each interior to keep away the insertion wheel hub 220 on the thickness direction of wheel hub 220 of groove 222.If it is understood that on wheel hub 220
Slot 221 is provided only with, blade free end is larger by the active force of wheel hub 220, blade is in freedom during blade wheel is operated
End is possible to crimp.Therefore groove 222 is kept away in the inner setting of each slot 221 of wheel hub 220, reduces blade free end
With the contact of wheel hub 220, so as to reduce active force of the wheel hub 220 to blade, the probability that blade is deformed in free end is reduced,
Improve the reliability of double centrifugal wind wheels 200.
In some optional embodiments, it is circle inside to keep away groove 222.Groove 222 is kept away in circular and processes relatively simple, certainly
Inside keeping away groove 222 can also be formed as square, triangle or other irregular shapes.
In some optional embodiments, blade ring 210 is weldingly fixed on wheel hub 220.If it is understood that only
Carry out stationary blade ring 210 by slot 221, when double centrifugal wind wheels 200 tell operating, wheel hub 220 easily shakes, and causes
Double air-out of centrifugal blower 1000 are unstable or wheel hub 220 flies out etc., and phenomenon occurs.Thus, blade ring 210 is weldingly fixed on wheel
It can prevent blower fan air-out shakiness from living the phenomenon generation that wheel hub 220 flies out on hub 220,
Certainly, blade ring 210 is not limited to welding with the mode that is fixedly connected of wheel hub 220, can also be riveting, is bonded,
Crimping etc. other be fixedly connected with mode.
In some optional embodiments, wheel hub 220 is integrated punch forming part.Thus, it is possible to reduce the life of wheel hub 220
Cost is produced, and then reduces the production cost of double centrifugal blowers 1000.Because the restrictive condition of punch forming process is less, therefore wheel
Hub 220 can adjust the thickness of wheel hub 220 according to actual needs, and partial structurtes shape makes it meet different model, different operating modes
Double centrifugal wind wheels 200 the need for.
In certain embodiments, as shown in Figure 12-Figure 13, each end plate 110 is sheet metal component, and coaming plate 120 is sheet metal component,
Coaming plate 120 bends to after substantially tubular the periphery of axial both sides respectively with two end plates 110 along being connected, such as Figure 15 and Figure 16 institutes
Show, the axial two ends of coaming plate 120 radially bend respectively after, bend to form bent plate 121, Mei Geduan again radially inward
The periphery of plate 110 is along being inserted in corresponding bent plate 121.
It should be noted that the spiral case 100 of double centrifugal blowers 1000 is removed has air in air inlet 111 and air outlet 140
Circulation, in preferably ensureing elsewhere for spiral case 100 and extraneous sealing (hereinafter referred to as opposing seal), i.e. extraneous air
Blower interior can not be entered from the place beyond air inlet 111.If the opposing seal of spiral case 100 is relatively low, normal in blower fan
During work, the phenomenon of " race wind " occurs in spiral case 100, can so severely impact the service behaviour of blower fan.
It is understood that as shown in figure 16, the periphery wall of bent plate 121 and coaming plate 120 is formed with mounting groove 122, end plate
110 are plugged in mounting groove 122, can so improve the connection sealing between bent plate 121 and coaming plate 120.Thus, it is possible to protect
Demonstrate,prove the opposing seal of spiral case 100, it is to avoid occur the phenomenon of " race wind " during blower fan normal work.
Alternatively, each bent plate 121 is connected with the periphery of corresponding end plate 110 between by Pressing Deformation.It can manage
Solution, merely with the connected mode that end plate 110 is inserted to mounting groove 122, is likely present between end plate 110 and coaming plate 120
Gap.Therefore, bent plate 121 is fixedly connected with end plate 110 using the mode of Pressing Deformation, can further improve spiral case 100
Opposing seal.In addition, the mode of stamping connection deformation operate it is more convenient, the heat distortion amount of end plate 110 and bent plate 121 compared with
It is small, it is smaller to the intensity effect of spiral case 100.
Certain bent plate 121 is not limited to Pressing Deformation connection with the mode that is fixedly connected of end plate 110, can also be welding,
Other connected modes such as riveting and bonding.
Specifically, as shown in Figure 12-Figure 14, the circumferential two ends of coaming plate 120 extend along the direction away from air inlet 111 respectively
To form tangential plate 123 and snail tongue 124, tangential plate 123 extends along the direction parallel with the tangent line of air inlet 111, snail tongue 124
Gradually increase with the distance of tangential plate 123 on the direction away from air inlet 111, tangential plate 123, snail tongue 124 and between two
The diffuser pipe 130 of the individual formation of end plate 110 spiral case 100, two end plates 110 are partially toward away from tangential plate the side of snail tongue 124
123 direction extension, the part that two end plates 110 are located at outside diffuser pipe 130 constitutes reinforcing plate 113.
It is understood that because spiral case 100 is spliced by two end plates 110 and a coaming plate 120, therefore,
The structural strength of spiral case 100 is relatively low, and non-deformability is poor.Reinforcing plate 113 is set on end plate 110, helps to lift spiral case
100 non-deformability.
It should be noted that in some of the invention optional embodiments, coaming plate 120, snail tongue 124 and between two ends
Plate 110 can also form diffuser pipe 130, that is to say, that spiral case 100 can be without diffuser pipe, when according to reality in the present embodiment
When situation needs the double installation of centrifugal blowers 1000 diffuser pipes 130, producer separately configures outer diffuser pipe again, then by outer diffuser pipe
It is connected on spiral case 100.
Specifically, as shown in figure 13, of the insertion on the thickness direction of coaming plate 120 is equipped with each bent plate 121
One hole clipping 1211, the periphery of each end plate 110 is along provided with the first card 114 being inserted in the first hole clipping 1211, two end plates
The second hole clipping 115 is respectively equipped with 110, the axial two ends of coaming plate 120 are respectively equipped with the second card being inserted in the second hole clipping 115
125。
It is understood that the cooperation of the first hole clipping 1211 and the first card 114 limits the radially direction of bent plate 121
Slip, the cooperation of the second hole clipping 115 and the second card 125 limits slip of the bent plate 121 along its axial direction.Thus by end
Plate 110 has been limited in the mounting groove 122 of bent plate 121 and the formation of coaming plate 120, is prevented in double 200 normal works of centrifugal wind wheel,
There is the phenomenon of end face abjection.The functional reliability of double centrifugal blowers 1000 is improved, fault rate is reduced.
More specifically, as shown in figure 13, snail tongue 124 is provided with least one second card 125.Thus, multiple second cards
Piece 125 can lift restriction effect of second card 125 to end plate 110.
Alternatively, as shown in figure 13, every one end of coaming plate 120 is equipped with two the second cards of substantially perpendicular relation
125.It is understood that after two substantially perpendicular second card 125 bendings, the limitation to end plate 110 can be lifted
Effect.
Alternatively, as shown in figure 13, the first hole clipping 1211 and the second hole clipping 115 are all formed as strip, the first card 114
It is semicircular strip with the equal behavior head of the second card 125.Thus, user can be with more convenient respectively by the first card
114 and second card 125 insert in the first hole clipping 1211 and the second hole clipping 115, and can be more laborsaving by the first card 114
Bent with the second card 125.
Certainly, the first card 114, the second card 125, the first hole clipping 1211 and the second hole clipping 115 can also be formed as it
His shape.For example, the first hole clipping 1211 and the second hole clipping 115 are all formed as semicircle, triangle, square or other are irregular
Shape, meanwhile, the first card 114 is formed as matching with the first hole clipping 1211 and the second hole clipping 115 respectively with the second card 125
Column.
Certainly, the shape of the first hole clipping 1211 and the second hole clipping 115 can also be differed, for example, the shape of the first hole clipping 1211
As semicircle, the triangle of the second hole clipping 115.
Alternatively, as shown in figure 11, the chord length of each blade in 15mm between 25mm.
Alternatively, as shown in figure 11, the radian of each blade in 15mm between 25mm.
Alternatively, as shown in figure 11, the thickness of each blade in 0.5mm between 1.5mm.
It should be noted that above-mentioned parameter can be adjusted according to actual needs, it is possible thereby to expand of the invention real
Apply the use scope of double centrifugal blowers 1000 of example.
In certain embodiments, part inside integrated punching formation air-ducting ring of each end plate 110 around air inlet 111
112.Thus, it is possible to reduce the windage from end plate 110 during airflow passes air inlet 111, double centrifugal blowers 1000 are added
Intake volume, so as to add air-out volume.
Alternatively, as shown in figure 15, the maximum gauge of solar or lunar halo 112 is about 1.5 times of air inlet 111.
Alternatively, as shown in figure 15, air-ducting ring 112 is formed as along close to the side of air inlet 111 close to one end of maximum gauge
To towards the inclined oblique deflation hole of the close axis of air-ducting ring 112, air-ducting ring 112 is formed as remote close to one end of air inlet 111
From the arc that the direction of air inlet 111 is directed away from the axis of air-ducting ring 112 to reaming.
Air conditioner according to embodiments of the present invention, including described double centrifugal blowers 1000.
Air conditioner according to embodiments of the present invention, due to comprising described double centrifugal blowers 1000, therefore makes an uproar with work
Sound is smaller, the characteristics of air output is larger.
Double centrifugal blowers 1000 of the specific embodiment of the present invention are described below with reference to Fig. 1-Figure 16.
As shown in Figure 1-Figure 3, double centrifugal blowers 1000 of the present embodiment include spiral case 100, double centrifugal wind wheels 200, motor
400 and motor rack 300.
As shown in Figure 11-Figure 15, spiral case 100 there are two end plates 110 for being oppositely arranged and be connected to two end plates 110 it
Between coaming plate 120, air inlet 111 is equipped with each end plate 110, and each end plate 110 is inside around the part of air inlet 111
Integrated punching formation air-ducting ring 112.The circumferential two ends of coaming plate 120 surround air outlet 140 with two end plates 110.
As shown in figure 13, two end plates 110 and coaming plate 120 are sheet metal component, and coaming plate 120 is bent to after substantially tubular axially
The periphery of both sides respectively with two end plates 110 along being connected, the axial two ends of coaming plate 120 radially bend respectively after, edge again
Radially-inwardly bend to form bent plate 121, the periphery of each end plate 110 is along being inserted in corresponding bent plate 121.Each bent plate
121 are connected with the periphery of corresponding end plate 110 between by Pressing Deformation.
As shown in figure 13, the circumferential two ends of coaming plate 120 extend to form tangential plate along the direction away from air inlet 111 respectively
123 and snail tongue 124, tangential plate 123 extends along the direction parallel with the tangent line of air inlet 111, and snail tongue 124 is away from air inlet
Distance on 111 direction with tangential plate 123 gradually increases, tangential plate 123, snail tongue 124 and between two end plates 110 formed
The diffuser pipe 130 of spiral case 100, two end plates 110 extend in the direction away from tangential plate 123 that is partially toward of the side of snail tongue 124,
The part that two end plates 110 are located at outside diffuser pipe 130 constitutes reinforcing plate 113.
As shown in figure 13, the first hole clipping of the insertion on the thickness direction of coaming plate 120 is equipped with two bent plates 121
1211, the periphery of each end plate 110 is along provided with the first card 114 being inserted in the first hole clipping 1211, on two end plates 110 point
Not She You the second hole clipping 115, the axial two ends of coaming plate 120 are respectively equipped with the second card 125 being inserted in the second hole clipping 115.
As shown in figures s-11, double centrifugal wind wheels 200 include blade ring 210 and wheel hub 220, what blade ring 210 was integrated
Sheet metal component, blade ring 210 is punched into bending, two ends after multiple blades of spaced relation by whole plate and is formed by connecting, 220 sets of wheel hub
In blade ring 210, the periphery wall of wheel hub 220 is provided with multiple slots 221 of circumferentially spaced arrangement, each slot 221
The inner be all formed with circle in keep away groove 222, multiple blades are inserted in multiple slots 221 correspondingly, blade ring 210
A centrifugal wind wheel is constituted with wheel hub 220 respectively in the part of the both sides of wheel hub 220, double centrifugal wind wheels 200 are located in spiral case 100.
As shown in figure 11, the chord length of each blade is in 15mm between 25mm, and the radian of each blade is in 15mm to 25mm
Between.The thickness of each blade is in 0.5mm between 1.5mm.
As shown in figure 3, motor rack 300 is fixed on coaming plate 120, motor rack 300 is provided with drag reduction hole 310, and motor rack
The direction away from double centrifugal wind wheels 200 that is partially toward in 300 edge and circular drag reduction hole 310 extends to form reinforcement 320.
As shown in Figure 1, Figure 7 shows, motor 400 is located on motor rack 300, and the motor shaft of motor 400 is connected with wheel hub 220.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (9)
1. a kind of pair of centrifugal blower, it is characterised in that including：
Spiral case, the spiral case has two end plates being oppositely arranged and the coaming plate being connected between two end plates, Mei Gesuo
State and air inlet is equipped with end plate, the circumferential two ends of the coaming plate surround air outlet with two end plates；
Double centrifugal wind wheels, described pair of centrifugal wind wheel includes：Blade ring and wheel hub, the blade ring is by multiple blades for being intervally arranged
It is formed by connecting, the wheel hub is located on the blade ring, the periphery wall of the wheel hub is more provided with circumferentially spaced arrangement
Individual slot, the multiple blade is inserted in the slot correspondingly, and the blade ring is located at the part of the wheel hub both sides
A centrifugal wind wheel is constituted with the wheel hub respectively, described pair of centrifugal wind wheel is located in the spiral case；
Motor rack, the motor rack is fixed on the coaming plate, and the correspondence air inlet is provided with drag reduction hole on the motor rack；
Motor, the motor is located on the motor rack, and the motor shaft of the motor stretches to the spiral case from the air inlet
It is interior and be connected with the wheel hub.
2. according to claim 1 pair of centrifugal blower, it is characterised in that the wheel hub is adjustably located at described vertically
On blade ring, described pair of centrifugal blower adjusts both sides intake by adjusting the position of the wheel hub.
3. according to claim 1 pair of centrifugal blower, it is characterised in that the edge of the motor rack and the circular drag reduction
The direction away from described pair of centrifugal wind wheel that is partially toward in hole extends to form reinforcement.
4. according to claim 1 pair of centrifugal blower, it is characterised in that inner shape of the wheel hub in each slot
Into keeping away groove in having, it is each it is described in keep away groove wheel hub described in insertion on the thickness direction of the wheel hub.
5. according to claim 1 pair of centrifugal blower, it is characterised in that the blade ring is weldingly fixed on the wheel hub
On.
6. according to claim 1 pair of centrifugal blower, it is characterised in that each end plate is sheet metal component, described to enclose
Plate is sheet metal component, and the coaming plate bends to after substantially tubular the periphery of axial both sides respectively with described two end plates along being connected, institute
State the axial two ends of coaming plate radially bend respectively after, bend radially inward to form bent plate again, each end plate
Periphery along being inserted in the corresponding bent plate.
7. according to claim 6 pair of centrifugal blower, it is characterised in that the circumferential two ends of the coaming plate are respectively along away from institute
The direction for stating air inlet extends to form tangential plate and snail tongue, the tangential plate edge side parallel with the tangent line of the air inlet
To extension, the snail tongue gradually increases on the direction away from the air inlet with the distance of the tangential plate, the tangential plate,
The snail tongue and between two end plates form the diffuser pipe of the spiral case, two end plates are in the snail tongue side
It is partially toward the direction away from the tangential plate to extend, the part that two end plates are located at outside the diffuser pipe, which is constituted, to be strengthened
Plate.
8. according to claim 6 pair of centrifugal blower, it is characterised in that be equipped with each bent plate in the coaming plate
Thickness direction on insertion the first hole clipping, the periphery of each end plate is along provided with first be inserted in first hole clipping
The second hole clipping is respectively equipped with card, two end plates, the axial two ends of the coaming plate, which are respectively equipped with, is inserted in second card
The second card in hole.
9. a kind of air conditioner, it is characterised in that including double centrifugal blowers according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662827.2A CN107313951A (en) | 2017-08-04 | 2017-08-04 | Double centrifugal blowers and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662827.2A CN107313951A (en) | 2017-08-04 | 2017-08-04 | Double centrifugal blowers and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107313951A true CN107313951A (en) | 2017-11-03 |
Family
ID=60175351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710662827.2A Pending CN107313951A (en) | 2017-08-04 | 2017-08-04 | Double centrifugal blowers and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128763A (en) * | 2018-10-23 | 2019-01-04 | 北斗星智能电器有限公司 | Board material splice part and splicing process |
| CN109237648A (en) * | 2018-09-14 | 2019-01-18 | 浙江佳中智能家居科技有限公司 | A kind of pumping air-supply structure handling indoor air humidity equipment |
| CN109237646A (en) * | 2018-09-14 | 2019-01-18 | 浙江佳中智能家居科技有限公司 | Machine in a kind of dehumidifier |
| CN110090900A (en) * | 2019-05-06 | 2019-08-06 | 中山市权心电器有限公司 | The manufacturing method and wind wheel of wind wheel |
| CN110206759A (en) * | 2018-08-06 | 2019-09-06 | 华帝股份有限公司 | Air inlet ring and volute for range hood and range hood |
| CN110374894A (en) * | 2019-08-16 | 2019-10-25 | 东莞市雅高通风设备制造有限公司 | A kind of fire-fighting centrifugal fan of cabinet type |
| WO2022213474A1 (en) * | 2021-04-10 | 2022-10-13 | 广东美的制冷设备有限公司 | Air conditioner |
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