CN105179271A - Radial or diagonal ventilator - Google Patents
Radial or diagonal ventilator Download PDFInfo
- Publication number
- CN105179271A CN105179271A CN201510296000.5A CN201510296000A CN105179271A CN 105179271 A CN105179271 A CN 105179271A CN 201510296000 A CN201510296000 A CN 201510296000A CN 105179271 A CN105179271 A CN 105179271A
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- CN
- China
- Prior art keywords
- flow fan
- diagonal flow
- shell
- driver element
- top shell
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/021—Units comprising pumps and their driving means containing a coupling
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a radial fan with an impeller (100) and a cylindrical drive unit (200) that can be rotated around the longitudinal axis, whereby the impeller (100) consists of a baseplate and of blades (101) arranged on the baseplate, and whereby the blades are located on the side facing the main air flow, and it is characterized in that the impeller (100) can be operatively connected to the drive unit (200) in two fastening planes. The impeller consists of a baseplate and blades arranged on the baseplate, whereby the blades are located on the side of the baseplate facing the main air flow, and whereby the baseplate is made up of an upper shell located on the side facing the main air flow and of a lower shell located on the side facing away from the main air flow, whereby the upper shell and the lower shell form a closed cavity with the cylindrical drive unit when in the installed state, whereby a first fastening plane is located on the upper shell and a second fastening plane is located on the lower shell.
Description
Technical field
The present invention relates to a kind of centrifugal blower or diagonal flow fan, it columniform driver element comprising active wheel and rotate around the longitudinal axis, wherein, active wheel by base plate, be arranged on blade on base plate and cover plate forms, and blade is arranged on the side in the face of main air flow.
Background technique
Today, centrifugal blower or the diagonal flow fan with curved vane are applied on a large scale.Application area extends to household electric appliance, such as, and range hood, air-conditioning and different industry equipments.Air is centrifuged blower fan or diagonal flow fan, or sucks from the axis of the live axle of centrifugal blower or diagonal flow fan, and then, the rotation taken turns by centrifugal work is produced by boasting.
Centrifugal blower or diagonal flow fan are made up of driver element and active wheel in principle.The driver element of centrifugal blower or diagonal flow fan is passable, such as, consists of asynchronous motor or permagnetic synchronous motor (EC-Motor).Centrifugal running wheel or diagonal flow type active wheel are connected with the rotor of driver element, for the transmission of air and/or other gas.The selection of the material of present active wheel is from plastics to metal.At present, due to intensity, the active wheel with larger diameter (usual 630mm) is built into sheet structure.In addition, due to intensity, aluminium sheet or steel plate have larger thickness (usual 5mm or thicker).In prior art, when the diameter of active wheel is 800mm, cover sheet thickness is 4mm, vane thickness is 6mm and base plate thickness is 5mm.
Summary of the invention
The material more according to relative usage, active wheel has higher deadweight, needs corresponding higher processing charges thus.Other consequence with higher weight is, provides the driver element and other assembly of bearing higher load.In order to described load can be born safely and support described height deadweight, a large amount of driver elements and other assembly must be set, equally, can roughly produce higher expense.
The object of the invention is to solve the above problems.
Object of the present invention is solved the problem by centrifugal blower according to the present invention or diagonal flow fan exactly.Preferred embodiment will be drawn by embodiment.
According to the columniform driver element that centrifugal blower of the present invention or diagonal flow fan comprise active wheel and rotate around the longitudinal axis, wherein said active wheel is effectively connected with driver element at two fixed beds.By fixing in two-layer, improve flexural rigidity, and thus, reaching the higher system resistance of centrifugal blower or diagonal flow fan, and without the need to gaining in weight.
Active wheel is made up of base plate and blade disposed thereon, and, blade is arranged on the base plate side in the face of main air flow, and base plate is made up of the bottom shell of the top shell be arranged in the face of the side of main air flow with the side being arranged on main air flow dorsad, in the assembled state, top shell and bottom shell and columniform driver element form enclosed cavity, and wherein, the first fixed bed is arranged on top shell and the second fixed bed is arranged on bottom shell.When building housing, the wall thickness of material capable of reducing using, thus, reduces the weight of centrifugal blower or diagonal flow fan further.Fixing by two-layer, still keeps the rigidity of centrifugal blower or diagonal flow fan.
Preferably, fastening piece is arranged on and is assigned to the top shell of driver element and the edge of bottom shell, and in mounted condition, described top shell and bottom shell and fastening piece realize removably connecting at columniform driver element place.Thus, active wheel can install or remove at driver element place.
Preferably, top shell and bottom shell by bolt be in the longitudinal axis flange arranged that staggers at columniform driver element and be connected.By the described flange arranged that staggers, top shell can be connected with driver element by this way with bottom shell with staggering, and the static state produced between driver element with active wheel is especially connected.
Preferably, the fastening piece of top shell is arranged in the longitudinal axis radial direction of the columniform driver element rotated relative to the fastening piece of bottom shell with staggering.By the setting that radial direction can stagger, flange active wheel being simply arranged on driver element is made to become possibility.
Preferably, the mounting hole of top shell or bottom shell is relative to installing the setting of the fastening piece be hidden under state.Fastening piece place can be arrived thus, without the need to removing the active wheel of driver element.
In particularly preferably embodiment, the diameter of mounting hole is greater than the diameter of the through hole at bottom shell and the through hole at top shell.Instrument is passable thus, such as socket wrench, is extended out by mounting hole.Particularly preferably, when mounting nuts, described nut screws in bolt, realizes as fastening piece.Especially, can be arranged to flange nut, described flange nut has enlarged outside diameter, such as, has the bottom gasket of fixing attachment in shape.At this, described flange nut is passable, such as, receives and installs the magnetic nut sent into by socket wrench.Thus, described flange nut screws capped and finally keeps bolt in the cavities, and emptying one's bowels of being unlikely to that nut may occur in an installation.Therefore, may be by safety and ultra-safe Auto-mounting.The nut of emptying one's bowels in an installation obviously can hinder installation process.If nut is emptied one's bowels in the cavities, it must shift out from cavity.Because nut is emptied one's bowels in the cavities, radial fan is caused not complete installation.
Preferably, the fastening piece of top shell and the fastening piece of bottom shell comprise through hole or bolt, and through hole or the bolt of described fastening piece and flange in mounted condition are effectively connected.Thus, by being arranged on the bolt in through hole, the installation of the active wheel at driver element place can be completed.Subsequently, described bolt can with corresponding nut screwing clamping.
Preferably, top shell and/or bottom shell comprise centering member (Zentriermittel), the flange acting in conjunction that described top shell and bottom shell are being arranged by centering member.Described centering member simplifies the correct installation of driver element place active wheel.Preferably, centering member is centering exoncoma (Zentrierwarzen) and centering well (Zentriervertiefungen), and when installment work is taken turns, described centering member is in cylindrical drive unit (200) place's acting in conjunction.
Preferably, top shell becomes Rotational Symmetry to bend archedly in the direction of main air flow.Thus, avoid airflow diversion (
).Meanwhile, raised the efficiency by described mode.
Preferably, top shell comprises multiple part, and described top shell comprises at least one recess part or a projection or a flat part.
Preferably, bottom shell is flat, so, reduces instrument and part cost use.
Preferably, cavity comprises at least one supporting element, and described supporting element is circular or polygonal ring, extends axially around columniform driver element.By described supporting element, make can use thin material in higher load situation.
Preferably, cavity comprises at least one supporting element, extends in radial direction relative to the longitudinal axis of the columniform driver element rotated.Guarantee that kinetic current (Kraftfluss) arrives blade from flange thus.
Preferably, the blade be arranged on base plate is constructed to shell construction.Thus, the weight of active wheel can be reduced further.
Preferably, being arranged on the profile of the blade on base plate, is smooth in the side that it regards to main air flow, thus, the interference of higher efficiency and the flowing of reduction fluid can be reached.
In other preferably embodiment, the flange of driver element extends in radial direction to some extent relative to the longitudinal axis.At this, the installation of centrifugal blower axially can be completed like a cork.
In addition, preferably, the mounting hole in flange is arranged relative to the fastening piece be hidden under installment state.
In addition, preferably, the diameter of mounting hole is greater than the diameter of the through hole at upper flange and the through hole at lower flange.Thus, advantage can do similar description, namely specifies the diameter of the mounting hole of upper shell and lower shell body.
The driver element of centrifugal blower is that rotor or axle connect.
Take turns fixing structure in this connection to build with lightweight, allow higher motor utilization rate, and for motor life, there is useful effect.
Other advantages of the present invention, feature and significant improvement are described by following preferred embodiment with reference to the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the decomposition view with the centrifugal blower at the section by active wheel of the first embodiment,
Fig. 2 is the space view according to Fig. 1 centrifugal blower in the mounted state,
Fig. 3 is the sectional drawing of the centrifugal blower according to other embodiment,
Fig. 4 a-f is respectively according to the connection diagram of other embodiment at the active wheel at driver element place,
Fig. 5 a-e is respectively the sectional drawing of the centrifugal blower according to other embodiment,
Fig. 6 is two space view of the driver element according to other embodiment.
Description of reference numerals
100 active wheels
101 blades
102,401a-d top shell
103,402a-d bottom shell
104 cavitys
105,106 supporting ribs
200 driver elements
201,601 rotors
202,403a-d, 602 top flange
203,404a-d, 603 flange in the bottom
405a-d mounting hole
The hole of 406a-b flange in the bottom
The hole of 406c-d bottom shell
The bolt of 407 bottom shells
The bolt of 408 top shells
The hole of 409a-b top flange
The hole of 409c-d top shell
The bolt of 410 flange in the bottom
The bolt of 411 top flange
412 studs
604 pressing bolts
605 centering exoncomas
606 internal points
607 centering wells
Embodiment
In different drawings, same section uses identical sign flag, and usually only describes once.
First, according to Fig. 1 and Fig. 2, centrifugal blower of the present invention is made up of active wheel 100 and columniform driver element 200.Active wheel 100 is connected with driver element 200 by fastening piece, and described fastening piece is described further later.At this, Fig. 1 is the decomposition view of centrifugal blower, and Fig. 2 illustrates the centrifugal blower under assembling and installment state.Described centrifugal blower is used for by blade 101 transport gas on active wheel 100 or fluid, and wherein, described blade is arranged on the base plate of active wheel 100.The center longitudinal axis that the longitudinal direction that active wheel 100 and columniform driver element 200 are centered around columniform driver element 200 is run rotates.
Base plate according to the present invention is made up of top shell 102 and bottom shell 103, and wherein, described top shell 102 in the face of main air flow setting, and passes through blade transport gas or liquid.Described gas or liquid are parallel or be axially inhaled into relative to centrifugal blower, then, and the radial or oblique blowout by the rotation of active wheel.In order to simplify readability, only referring to the situation of air transmission at this, wherein, other gases can also be transmitted.Main air flow can be any main flow of gas.Therefore, main air flow concept also comprises main gas flow.Because this mainly the flowing, so the space of main air flow is determined by the connection of blade 101 with the top shell 102 of base plate and the wall (such as, rotor 201) of driver element 200 of transmission medium.Described top shell 102 forms cavity 104 with bottom shell 103, and in mounted condition, described cavity and rotor 201 are closed.Described top shell 102 and described bottom shell 103 are set to driver element 200 Rotational Symmetry rotated around the longitudinal axis.Described two housings can be riveted, and bolt connects, and is welded to connect, stamping connection, and pressing connects or bonding connection.Active wheel can also combine with the base plate of rotation asymmetry or cover plate.
For improving the stability of base plate, in cavity 104, can arrange supporting rib (105,106) between top shell 102 and bottom shell 103, described supporting rib further can partitioned cavity 104.Described supporting rib 105 can be at least one around vertical axial ring, or circular or polygonal.Therefore, can ensure that the weight on the base plate rotated is equally distributed.Described supporting rib 106 can also moving radially at the longitudinal axis, as shown in Figure 3.By arranging described supporting rib 106, guarantee that kinetic current is delivered to blade 101 from driver element 200 accurately.
Preferably, blade 101 has centering profile, and namely it is centering.Thus, power transmission (Krafteinleitung) is distributed on base plate and cover plate, to such an extent as to described power transmission reduces stress concentrated (Spannungsspitzen) on active wheel 100, and reduces lamella thickness thus and reduce weight.In addition, preferably, the surperficial unusual light of the blade that main air flow flows through, to avoid eddy current.
Columniform driver element 200 can be the rotor 201 of asynchronous motor or the rotor 201 of permanent magnetism asynchronous motor, as shown in Fig. 1 to 6.Described driver element 200 can also be the axle driven by motor.
Two ring-types, outward radial protrude flange (202,203) stretch around rotor 201, described flange comprises the fastening piece for being fixed on by active wheel on the rotor 201 of driver element 200.Described flange (202,203) is arranged in two layers axially staggering relative to the longitudinal axis, and wherein, the spacing of described flange is roughly consistent with the top shell 102 at rotor 201 place and the spacing of bottom shell 103.Thus, in mounted condition, top shell 102 connects with the immediate flange 202 of relative main air flow, and bottom shell 103 is connected with second flange 203.The base plate of active wheel 100 is connected to rotor 201 place of columniform driver element 200 by the fastening piece of two ring-types, as section shown in Figure 3.
Fig. 3 illustrates the section of active wheel 100 and the part of rotor 201.Described active wheel 100 comprises substantially flat bottom shell 103 and dome-shaped top shell 102, and described housing forms cavity 104 jointly.According to described embodiment, the longitudinal axis radial direction of supporting rib 106 relative to driver element 200 in cavity 104 is arranged.Two flanges (202,203) are arranged on rotor 201 place of driver element 200, and by fastening piece, flange 202 is connected with top shell 102, and another flange 203 is connected with bottom shell 103.
The various mode of executions that Fig. 4 a-f illustrates top shell 401a-d and bottom shell 402a-d and is connected with different flange (403a-d, 404a-d).Described top shell 401a-d and bottom shell 402a-d comprise different diameters and different fastening pieces.Respectively each mode of execution is described below.Fig. 4 a illustrates to have the top shell 401a larger than the diameter of bottom shell 402a.When namely installing at rotor 201 place, described top shell 401a than bottom shell 402a closer to rotor 201.Flange 403a and flange 404a must correspondingly give prominence to, and when rotor 201 place's installment work takes turns 100, at the flange 403a place for top shell 401a, bottom shell 402a can slip in the axis of the longitudinal axis relative to driver element 200.In the embodiment shown in Fig. 4 a, active wheel, from top, namely carries out axial installation from the direction of main air flow, and bottom shell 402a can be slipped at the flange 403a place of top shell 401a.Thus, the flange 403a for top shell 401a is short for the flange 404a of bottom shell 402a relative to the projection ratio of rotor.The geometrical arrangements of described top shell, bottom shell and flange equally also can be used in the mode of execution of Fig. 4 c and Fig. 4 e.In the mode of execution of Fig. 4 b, Fig. 4 d and Fig. 4 f, the geometrical arrangements of described housing and flange antithesis, makes active wheel 100 (dorsad the side of main air flow) must install from below.Described top shell 401a and described bottom shell 402a is provided with bolt (407,408), and it mates with corresponding through hole (406a, 409a).Thus, through hole (406a, 409a) and bolt (407,408) are as fastening piece active wheel 100 being fixed on rotor 201 place.In addition, due to apparent reason, required nut or locking nut not shown in Fig. 4 a-f.Flange 404a in Fig. 4 a has extra mounting hole 405a, and it can realize the object of the bolt 408 installing top shell 401a.Fig. 4 b illustrates contrary layout, and such top shell 401b can be installed in the through hole 409b place of top flange 403b by the bolt 408 on it.Bottom shell 402b is installed in flange in the bottom 404b place by bolt 407 through through hole 406b, and wherein, mounting hole 405b is arranged in top flange.Fig. 4 c and Fig. 4 d illustrates two exemplary mode of executions, in said embodiment, bolt (410,411) is arranged on flange (403c, 403d, 404c, 404d) place, and described bolt can insert the through hole (409c, 409d) of top shell (401c, 401d) and the through hole (406c, 406d) of bottom shell (402c, 402d).At this, same not shown nut.In Fig. 4 c, top shell 401c comprises mounting hole 405c.In figure 4d, mounting hole 405d is arranged on bottom shell 402d.
Fixing bolt (407,408) can also be substituted, as shown in Fig. 4 e and Fig. 4 f with screw rod 412.In figure 4e, mounting hole (405c, 405a) is arranged on top shell 401c and flange in the bottom 404a.Embodiment according to Fig. 4 f, top flange 403b and bottom shell 402d comprises corresponding mounting hole (405b, 405d).For all mode of executions of Fig. 4 a-f, fastening piece can use for more than 201 time around rotor.
Mode of execution in Fig. 5 a-e illustrates the moulding of top shells 102 different under profile status.By described different mode of execution, fluid loss can be reduced according to different medium and reduce noise transmission.Fig. 5 a illustrates the top shell 102 being divided into multistage, and wherein, described section is recessed, convex or straight or taper.Fig. 5 b illustrates that top shell 102 is in convex viewed from the direction of bottom shell 103.In fig. 5 c, described top shell 102 viewed from main air flow direction in convex.Fig. 5 d illustrates the top shell 102 of linearly moulding.Fig. 5 e gathers different moulding again.Can to be raised the efficiency by the shape gathering the top shell of description and sound power level is about 0.5%-5%.When using thickness (about 0.5mm-2mm) thinner thin plate, top shell 102 and bottom shell 103 use dissimilar base plate can obviously loss of weight more than 50%.Due to the weight that active wheel of the present invention is lighter, achieve high natural frequency and high critical number of revolution.Preferably, bottom shell 103 implements same scheme.
Fig. 6 illustrates the mode of execution of two relevant rotor.Rotor 601 does not comprise radiating fin, and to this, rotor 201 comprises radiating fin.If radiator or radiating fin are arranged in main air flow, eddy current may be there is.In order to cooling motor, radiator is absolutely necessary.Described cooling is to stream region the most meaningful.Fig. 6 illustrates the embodiment not having gelled rotor 601 further, centering exoncoma 605 or internal point 606 can be set at flange (602,603) place, its centering exoncoma corresponding in top shell and bottom shell and internal point acting in conjunction, simplify the installation of active wheel.Can the unbalance situation of improvement wheel 100 by centering exoncoma 605 and internal point 606, when production work takes turns 100, the reduction of balance makes to occur unbalance.Because flange 603 extends further in radial direction, can arrange the centering well 607 for improving stability like this at described flange 603 place, therefore, described flange carries out recessed processing.Fig. 6 illustrates bolt 604 further, and described bolt uses as pressing bolt.Described bolt 604 of pressing can also comprise centering annex, can simplify installation process like this.Described in using, press bolt 604, plain nut can also be substituted with locking nut in installation process.Thus, can carry out better receiving and feeling relieved by socket wrench.Can avoid further or the emptying one's bowels of nut and bolt.
Claims (20)
1. centrifugal blower or a diagonal flow fan, it columniform driver element (200) comprising active wheel (100) and rotate around the longitudinal axis,
It is characterized in that,
Described active wheel (100) does effective connection at two fixed beds with driver element (200), wherein, described active wheel (100) is made up of base plate and blade disposed thereon (101), and, described blade (101) is arranged on the base plate side in the face of main air flow, and described base plate is by the top shell (102 of the side be arranged in the face of main air flow, 401a-d) and be arranged on the bottom shell (103 of side of main air flow dorsad, 402a-d) form, installing under state, described top shell (102, 401a-d) with described bottom shell (103, 402a-d) form enclosed cavity (104) with columniform driver element (200), wherein, first fixed bed is arranged on top shell (102, 401a-d) upper and the second fixed bed is arranged on bottom shell (103, 402a-d).
2. centrifugal blower according to claim 1 or diagonal flow fan,
It is characterized in that,
Fastening piece (406c-d, 407, 408, 409c-d) be arranged on the top shell (102 that each fixed bed is assigned to driver element (200), 401a-d) with bottom shell (103, edge 402a-d), and described driver element (200) is included in two row's flanges (202 that the longitudinal axis staggers, 203, 403a-d, 404a-d, 602, 603), wherein, described flange (202, 203, 403a-d, 404a-d, 602, 603) there is fastening piece (406a-b, 409a-b, 410, 411), fastening piece (the 406c-d of itself and active wheel (100), 407, 408, 409c-d) removably connect.
3. centrifugal blower according to claim 2 or diagonal flow fan,
It is characterized in that,
Top shell (102,401a-d) and bottom shell (103,402a-d) by bolt be at columniform driver element (200) longitudinal axis stagger arrange flange (202,403a-d, 602,203,404a-d, 603) be connected.
4. centrifugal blower according to claim 3 or diagonal flow fan,
It is characterized in that,
The fastening piece (408 of top shell (102,401a-d), 409c-d) relative to bottom shell (103, fastening piece (406c-d, 407) 402a-d) is arranged in the longitudinal axis radial direction of the columniform driver element (200) rotated with staggering.
5. centrifugal blower according to claim 4 or diagonal flow fan,
It is characterized in that,
The mounting hole (405c-d) of top shell (102,401a-d) and/or bottom shell (103,402a-d) relative to install under state be hidden fastening piece (406a-d, 407,408,409a-d, 410,411,412) arrange.
6. centrifugal blower according to claim 5 or diagonal flow fan,
It is characterized in that,
The diameter of mounting hole (405c-d) is greater than the diameter at the through hole of bottom shell (406c-d) and the through hole at top shell (409c-d).
7. the centrifugal blower according to any one of claim 5-6 or diagonal flow fan,
It is characterized in that,
Top shell (102, fastening piece (408 401a-d), 409c-d) with bottom shell (103, fastening piece (406c-d 402a-d), 407) through hole (406c-d, 409c-d) or bolt (407,408) is comprised, described fastening piece (408,409c-d) and fastening piece (406c-d, 407) and the flange (202,203 under installment state, 403a-d, 404a-d, 602,603) through hole (406a-b, 409a-b) or bolt (410,411) effectively connect.
8. the centrifugal blower according to aforementioned any one of claim or diagonal flow fan,
It is characterized in that,
Top shell (102,401a-d) and/or bottom shell comprise centering member, and described top shell and bottom shell are by centering member (605,606) flange (202,203, the 403a-d arranged, 404a-d, 602,603) place's acting in conjunction.
9. centrifugal blower according to claim 8 or diagonal flow fan,
It is characterized in that,
Centering member is centering exoncoma (605) and centering well (606), and when installment work wheel (100), described centering member is in cylindrical drive unit (200) place's acting in conjunction.
10. the centrifugal blower according to aforementioned any one of claim or diagonal flow fan,
It is characterized in that,
Top shell (102,401a-d) becomes Rotational Symmetry to bend archedly in the direction of main air flow.
11. centrifugal blowers according to aforementioned any one of claim or diagonal flow fan,
It is characterized in that,
Top shell (102,401a-d) comprises multiple part, and described top shell comprises at least one recess part or a projection or a flat part.
12. centrifugal blowers according to aforementioned any one of claim or diagonal flow fan,
It is characterized in that,
Bottom shell (103,402a-d) is flat.
13. centrifugal blowers according to aforementioned any one of claim or diagonal flow fan,
It is characterized in that,
Cavity (104) comprises at least one supporting element (105,106), described supporting element is circular or polygonal ring, extend axially around columniform driver element (200), or extend in radial direction relative to the longitudinal axis of the columniform driver element (200) rotated.
14. centrifugal blowers according to aforementioned any one of claim or diagonal flow fan,
It is characterized in that,
The blade (101) be arranged on base plate is constructed to shell construction.
15. centrifugal blowers according to aforementioned any one of claim or diagonal flow fan,
It is characterized in that,
Being arranged on the profile of the blade (101) on base plate, is smooth in the side that it regards to main air flow.
16. centrifugal blowers according to any one of claim 2-14 or diagonal flow fan,
It is characterized in that,
The flange (202,203,403a-d, 404a-d, 602,603) of driver element (200) extends in radial direction to some extent relative to the longitudinal axis.
17. centrifugal blowers according to any one of claim 2-16 or diagonal flow fan,
It is characterized in that,
Mounting hole (405a-b) in flange (202,203,403a-d, 404a-d, 602,603) is arranged relative to the fastening piece be hidden under mounted state (406a-d, 407,408,409a-d, 410,411,412).
18. centrifugal blower according to claim 17 or diagonal flow fans,
It is characterized in that,
The diameter of mounting hole (405a-b) is greater than the diameter of the through hole (409a-b) at upper flange and the through hole (406a-b) at lower flange.
19. centrifugal blowers according to aforementioned any one of claim or diagonal flow fan,
It is characterized in that,
Driver element (200) is rotor (201,601) or axle connection.
20. centrifugal blowers according to aforementioned any one of claim or diagonal flow fan,
It is characterized in that,
Active wheel (100) comprises closed cover plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014210373.8A DE102014210373A1 (en) | 2014-06-02 | 2014-06-02 | Radial or diagonal fan |
| DE102014210373.8 | 2014-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105179271A true CN105179271A (en) | 2015-12-23 |
Family
ID=53396195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510296000.5A Pending CN105179271A (en) | 2014-06-02 | 2015-06-02 | Radial or diagonal ventilator |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20150369247A1 (en) |
| EP (1) | EP2952744B1 (en) |
| CN (1) | CN105179271A (en) |
| DE (1) | DE102014210373A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547777A (en) * | 2018-05-23 | 2018-09-18 | 熙诚环保科技（苏州）有限公司 | A kind of diagonal flow fan with anti-corrosion function |
| CN113431796A (en) * | 2017-10-10 | 2021-09-24 | 创科（澳门离岸商业服务）有限公司 | Knapsack type blower |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016107921A1 (en) | 2016-04-28 | 2017-11-02 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Extractor fan with diagonal fan |
| DE202016106538U1 (en) | 2016-11-22 | 2016-12-02 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Diagonal fan |
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| CN113431796A (en) * | 2017-10-10 | 2021-09-24 | 创科（澳门离岸商业服务）有限公司 | Knapsack type blower |
| CN113431796B (en) * | 2017-10-10 | 2022-07-19 | 创科（澳门离岸商业服务）有限公司 | Knapsack type blower |
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| CN108547777B (en) * | 2018-05-23 | 2023-08-15 | 熙诚环保科技（苏州）有限公司 | Diagonal flow fan with anti-corrosion function |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2952744B1 (en) | 2021-03-03 |
| DE102014210373A1 (en) | 2015-12-03 |
| EP2952744A1 (en) | 2015-12-09 |
| US20150369247A1 (en) | 2015-12-24 |
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Application publication date: 20151223 |
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