CN103573662B - fan unit - Google Patents
fan unit Download PDFInfo
- Publication number
- CN103573662B CN103573662B CN201310334988.0A CN201310334988A CN103573662B CN 103573662 B CN103573662 B CN 103573662B CN 201310334988 A CN201310334988 A CN 201310334988A CN 103573662 B CN103573662 B CN 103573662B
- Authority
- CN
- China
- Prior art keywords
- fan
- base members
- flange
- wheel shaft
- rotary shaft
- 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
-
- 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
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
- F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/003—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by throttling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of fan unit includes：Shell, limits the passage of air stream and including center support；Fan, is mounted rotatably on the central support；Shutter, includes the system and centrifugal governor of lath, and the system of the lath may move between the construction that the full opening of construction of passage and passage are completely closed, and the centrifugal governor has the base members for rotating and being connected to fan；Actuating component is operably connected to plank system to make it move towards maximum open configuration when starting fan；Actuator means are connected to base members and may move by centrifugal force by least two joint arms；And connector, the axial translational movement for guiding actuating component.Fan is arranged on wheel shaft；Take turns the rotation axis of axis limit fan and with the cavity penetrated, rotary shaft is placed in the cavity, and the front end of the axle is connected to fan and rear end is connected to base members.Base members are arranged on wheel shaft, on the opposite side relative with fan of center support.
Description
Technical field
The present invention relates to a kind of Axial-flow electric fan unit for being provided with shutter and centrifugal governor device, the shutter is intercepted
Liquid flowing in the pipeline of electric fan, the centrifugal governor device can cause the opening and closing of above-mentioned shutter.
More particularly it relates to a kind of fan unit, including：Shell, limits the passage for air stream, have into
Mouth and outlet, and the center support including being arranged between the entrance and exit；Fan, installed in the center support
Go up and can be rotated around the rotation axis of its own；Shutter, including plank system, the plank system can wherein passage it is complete
Moved between the construction opened entirely and the construction that wherein passage is completely closed；And centrifugal governor.The centrifugal governor has：
Base members, are rotationally connected to fan；Axially movable actuator means, are connected to plank system to work as wind for operation
Lath is moved to their maximum open configurations when fan starts；Actuator means are connected to substrate by least two joint arms
Element, each joint arm includes centrifugal weight and can be in the way of the axial advancement or retraction that cause the actuating component
Moved by centrifugal force；And slidable connector, for guiding actuating component to be transported relative to the axial translation of base members
It is dynamic.
Background technology
According to the prior art described in patent EP0563875, the base members of centrifugal governor are integrally and directly
Ground is connected to the hub of fan.It is this to be arranged therein shutter to be arranged in the installation constitution in the exit of airflow path being to have
Profit；On the other hand, if shutter is arranged on the entrance side of airflow path, centrifugal governor actuating component with opening
Close between the plank system of device and require that some parts of unit carry out sizable modification if connection to be provided, and also need to draw
Enter extra element.Specifically, must with the fan unit for being generally configured the centrifugal governor operated by pushing action
It must be revised as operating by pulling action, because centrifugal governor and shutter are arranged on the relative of center support
Side, that is, be separately positioned on outlet side and entrance side.For this purpose, it is necessary in adjuster device and in hub and branch
Cavity is formed with the main shaft of support fan and pulley, to allow passing through for actuator lever, the actuator lever is by the actuating of centrifugal governor
Component is connected to the plank system of shutter；In addition, actuating component must pass through flexible drawing element（pulling element）
（Such as chain）It is connected to plank system so that be necessary to use the supporting member for traction element（Such as sprocket wheel）.
Therefore, above-mentioned solution is relatively complex and high cost, and is not make us relatively in it is operated
Satisfied, because it requires to use flexible drawing element and corresponding support member.
The content of the invention
It is an object of the present invention to provide a kind of fan unit, in the fan unit, even if shutter be arranged on into
Mouth side, centrifugal governor can also be run by pushing action.It is a further object to provide a kind of fan unit, at this
In fan unit, in order that the solution is applied to the situation that wherein shutter is arranged on entrance side, relative to known
Solution only introduces minimum possibility modification and extra part.
According to the present invention, these mesh are realized by the fan unit of that type limited in the introductory section of this specification
, in this manual, the unit includes the wheel shaft for being integrally connected to the center support, and the fan is rotatably
On the wheel shaft, the rotation axis of fan described in the wheel axis limit is simultaneously worn with rotary shaft is coaxially housed wherein
Saturating cavity, the front end of the axle is integrally connected to the fan, and the rear end of the axle is integrally connected to the centrifugal governor
Base members, the base members are rotatably installed on the wheel shaft, positioned at center support and the fan phase
To opposite side on.
Pass through this arrangement, it is only necessary to change a few components of unit（In other words, those parts of wheel shaft are formed）To carry
Cavity therein is placed in for rotary shaft.In addition to rotary shaft, the additional element also existed is：It is required for fan hub is tight
Gu to one end of rotary shaft and for the base members of centrifugal governor to be fastened to the part of the other end, and bearing, the base
Bottom element is supported using the bearing by wheel shaft.On the other hand, do not required to centrifugal governor according to the solution of the present invention
Adaptation is carried out, and also allows centrifugal governor dynamic by promoting even if when shutter is arranged on air inflow aperture side
Run.
The preferred embodiments of the present invention are defined in the dependent claims, and these preferred embodiments are considered as this explanation
The major part of book.
Brief description of the drawings
By the detailed description of the embodiment of the present invention provided with reference to the accompanying drawings, according to entering for the fan unit of the present invention
The feature and advantage of one step will be become apparent from, and the accompanying drawing is only provided as nonrestrictive explanation, wherein：
- Fig. 1 is the longitudinal sectional view in the fan unit according to prior art；
- Fig. 2 is the fragmentary isometric views of the fan unit according to the present invention；
- Fig. 3 is the longitudinal sectional view of Fig. 2 fan units；
- Fig. 4 is the decomposition view of some parts of Fig. 2 fan units.
Embodiment
Fig. 1 shows that such as the fan unit described in EP0563875 entire contents are incorporated herein by reference.
With reference to the figure, fan unit includes shell 2, and the shell is by defining the hollow paral hexahedron of the passage 4 for air flow
Formed.Two opposite walls of shell 2 have opening, form the entrance and exit for air stream respectively.Fig. 1 illustrate only by 8
The exit opening of expression.It can be seen that in fig. 2 by 6 entrance openings represented.Shell 2 include be arranged on fan unit entrance and
Center support 10 between outlet, and the center support（For example）By extending and by described between the opposite wall of shell
One or more beam of wall support is formed.Traditionally, center support 10 can support the internal part of fan unit.
The shutters that outlet 8 is provided with venetian blind type, what the shutter included the swing lath 12 that can be operated simultaneously is
System.Each lath is swingably supported in end by two opposite walls of shell 2, and at an end of the lath
Chain link is provided with portion（link）（It is not shown）, one end of the chain link is fastened to lath and the other end is connected in articulated manner
Vertical connecting rod（It is not shown）.Therefore all laths are interconnected by above-mentioned bar, and therefore only can be moved in lath
One and thus cause the movements of all laths 12.A chain link in above-mentioned chain link is connected to spring（It is not shown）One end.
The other end of spring is fastened to the wall of shell 2 as follows, and the mode is so that connecting rod is pushed upwardly and owned
Lath 12 is maintained in the construction that outlet 8 is completely closed.
Wheel shaft 20 is integrally connected to center support 10.Fan 26 is arranged on center support 10 using wheel shaft 20
On.Fan 26 is integrally connected to the hub 28 being rotatably installed on wheel shaft 20, the rotation axis z of the wheel axis limit fan.
For this purpose, bearing 29 is radially formed between the bearing block 28a inside hub 28 between wheel shaft 20 and Central places.Pulley
32 are also secured to hub 28 and are connected to the electric drive motor being arranged on inside shell 2 by belt 34（It is not shown）.Axially retain
Element 33（Specifically it can be seen in Fig. 4）To keep hub 28 and pulley 32 pre- on the wheel shaft 20 on wheel shaft 20
Determine axial location.
Centrifugal governor device 44 is directly fastened to the end relative with pulley 32 of hub 28.For retouching for this device
State, should be referring additionally to Fig. 2.Adjuster 44 includes base members 46, the base members by with for bolted joints to fasten
Formed to the relative spoke 82 of the discoid pieces 80 in the hole 81 of fan and two.Two arms 52 are connected to spoke in articulated manner
82 end.Two centrifugal weights 63 are fastened to joint arm 52.The end relative with spoke 82 that be located at of arm 52 passes through two passes
Pole 54 is connected to two lateral part 56a of actuating component 56.Discoid pieces 80 are integrally connected to two guide rods 84, described
Guide rod is arranged to parallel with the rotation axis z of fan and spaced a distance with rotation axis z, and the guide rod edge
The direction extension opposite with fan.Being integrally connected to two adapters 86 of actuating component 56 has two corresponding Kong Yike
It is slidably mounted on guide rod 84.Actuating component 56 has jag part（forked part）56b, one end of actuator lever 68 with
The mode being hinged is connected to the jag part.The other end of actuator lever 68 is connected to Y-piece 70 in articulated manner, the fork-shaped
Part is connected to one in lath 12.
In above-mentioned known devices, actuating component 56 can be in the position neighbouring with base members 46（Corresponding to fan
Halted state）With the position with the maximum separation of base members 46（Corresponding to the running status of fan）Between move.It is used as fan
Rotation caused by pouring weight 63 centrifugal action result so that actuating component 56 is axially moved to from the position neighbouring with hub
The position of maximum separation.The axial movement causes the corresponding of the construction that lath 12 is fully open from being constructed to of being fully closed
It is mobile.By pushing action, the adjuster device operation discussed；In other words, when electric fan in operation when act on pouring weight
Centrifugal force on 63 causes actuating component 56 to be moved towards lath 12 as follows, and the mode is so that actuator lever 68 to
The outside of electric fan promotes Y-piece 70, therefore causes lath 12 to be opened.
Fig. 2 to Fig. 4 shows the fan unit according to the present invention.In these figures, the part corresponding with those in Fig. 1
Represented by same reference numeral.
In the case of Fig. 2 to Fig. 4, include the venetian blind type shutter of the system for the swing lath 12 that can be simultaneously operated
It is arranged at entrance opening 6, and on the opposite side relative with fan 26 of the centrally disposed support member 10 of centrifugal governor 44.
In other words, although between the centrally disposed support member 10 of fan 26 and the outlet of fan unit, centrifugal governor 44 is set
Between the entrance 6 of center support 10 and fan unit.
Fixed wheel shaft 20 has the cavity 91 penetrated, and the rotary shaft 93 with polygonal crosssection is coaxially contained in
In the cavity.The front end of rotary shaft 93 is integrally connected to fan 26 using front flange 95, and the front flange has for bolt
The centre bore 95a of engagement, to be fastened to rotary shaft 93.The front end of rotary shaft 93 is assemblied in front flange using prism connector
In the 95 accommodating hole 95b being centrally formed；Therefore rotary shaft 93 is fixed to front flange 95 relative to rotation.Fan 26 axially between
Between the flange 95 and hub 28.Utilize one or more alignment pin 95c being eccentrically formed on flange 95（Drive pin,
Drive pin）, front flange 95 is fixed to fan 26 relative to rotation and is fixed to hub 28, and one or more alignment pin is bonded on
In the respective aperture for being formed at the core of fan 26（This some holes is the base for being generally arranged for fastening centrifugal governor
The hole of bottom element 46）.The rear end of rotary shaft 93 is integrally connected to the base members 46 of centrifugal governor 44 using rear flange 97,
The rear flange has center accommodating hole 97a, and the rear end of rotary shaft 93 is assemblied in the center accommodating hole using prism connector；Rotation
Therefore axle 93 is fixed to rear flange 97 relative to rotation.Packing ring using bolt and between bolt and rear flange, it is rear convex
Edge is axially fastened to rotary shaft 93.Using radially between the rear end of wheel shaft 20 with forming the bearing block at the center of rear flange 97
Bearing 98 between 97b, rear flange 97 is rotatably installed on wheel shaft 20.Between bearing 98 and center support 10, insert
There are space washer 98a and conical spring washer 98；Using the nut 98c being tightened on wheel shaft 20, these elements are axially kept
On wheel shaft 20.Rear flange 97 is axially between the base members 46 of wheel shaft 20 and centrifugal governor.Using for fastening
To the bolt of rear flange 97, the base members 46 of centrifugal governor are fixed to rear flange 97 relative to rotation, and the bolted joints exist
In the hole 81 formed in the base members 46 of centrifugal governor（This some holes is generally to be arranged for being fastened to hub 28
Hole）.Due to this arrangement, base members 46（And therefore centrifugal governor 44）It is rotatably installed on wheel shaft 20.
In alternate embodiment（It is not shown）In, the arrangement of the part of wheel shaft rear end is relative to described above
Radially reverse；In this alternate embodiment, using radially between the front end of rear flange with being formed at wheel shaft
Bearing between the bearing block of back-end central, rear flange is rotatably installed on wheel shaft.Can be by with enough major diameters
Wheel shaft provides this construction.
All in all, although in Fig. 1 known construction, centrifugal governor 44 is attached directly to hub 28, but in Fig. 2 extremely
It is using rotary shaft 93 and front flange 95 and rear flange 97 that centrifugal governor 44 is indirect in Fig. 3 construction according to the present invention
Ground is connected to hub 28.This enables motion to be sent to centrifugal governor from pulley/hub/fan unit, even if they are set
On the opposite side of center support.In addition, compared with Fig. 1 construction, modification and additional components in Fig. 2 to Fig. 4 constructions
Quantity be it is very small, and it is described modification and additional components substantially only relate to wheel shaft（The part of modification）, rotary shaft with
And front flange and rear flange（Extra part）.
Clearly, in the case where keeping the principle of the invention, to the shape for the embodiment for having described and being only illustrated by way of example
The details of formula and configuration aspects can make extensive change, without departing from the scope of the present invention.
Claims (9)
1. fan unit, including：
Shell (2), limits the passage for air stream, with entrance (6) and outlet (8), and including be arranged on the entrance with
Center support (10) between the outlet,
Fan (26), in the center support and can around its own rotation axis (z) rotate,
Shutter, includes the system of lath (12), and the lath can be in the full opening of construction of the passage and the passage
Moved between the construction completely closed, and
Centrifugal governor (44), has
- base members (46), the fan (26) is connected to rotating manner；
- the actuating component (56) that can axially move, the system for being operably connected to the lath, with when the fan
Move the maximum open configuration of the lath towards the lath during startup；
- at least two joint arms (52,54), the base members (46) are connected to by the actuating component (56), each described
Joint arm includes centrifugal weight (63), and each joint arm can cause the axial direction of the actuating component by centrifugal force
Advance or the mode of retraction is moved；With
- the connector (84,86) that can be slided, the axial translation for guiding the actuating component relative to the base members
Motion；
The fan unit is characterised by including：
Wheel shaft (20), is fixedly connected to the center support, and the fan can be rotationally mounted to the central supported
On part, the rotation axis (z) of fan (26) described in the wheel axis limit simultaneously has the cavity (91) penetrated, rotary shaft (93)
Coaxially it is contained in the cavity penetrated, the front end of the rotary shaft is fixedly connected to the fan, and the rotation
The rear end of rotating shaft is fixedly connected to the base members of the centrifugal governor, and the base members can be installed rotatably
On the wheel shaft (20), on the opposite side relative with the fan of the center support (10).
2. unit according to claim 1, wherein, the connector that can be slided includes：At least one guide rod
(84), the guide rod and the base members (46) one and with parallel with the rotation axis (z) of the fan (26) and
Mode at a distance of a distance extends towards the actuating component (56)；And at least one corresponding adapter (86), it is described attached
Plus part is to the actuating component (56) one and with the forming openings that slidably can be coupled with corresponding guide rod.
3. unit according to claim 1, wherein, the front end of the rotary shaft (93) is integrally connected by front flange (95)
The fan (26) is connected to, the front flange is fastened to the rotary shaft (93), and the fan is axially between the front flange
Between the hub (28) of the fan.
4. unit according to claim 3, wherein, the front end of the rotary shaft (93) is pacified by prism connector
In the accommodating hole (95b) for being formed at the front flange (95) center, using being eccentrically formed on the front flange (95)
And be bonded at least one alignment pin (95c) in the respective aperture being formed in the core of the fan (26), it is described before
Flange be additionally fixed to the fan (26) and be fixed to the hub (28) with the fan (26) and the hub (28)
Rotate together.
5. unit according to claim 1, wherein, the rear end of the rotary shaft (93) is connected securely by rear flange (97)
The base members (46) of the centrifugal governor (44) are connected to, the rear flange is fastened to the rotary shaft (93), described
Rear flange is axially between the wheel shaft (20) and the base members (46) of the centrifugal governor.
6. unit according to claim 5, wherein, the rear flange has center accommodating hole (97a), the rotary shaft
(93) rear end is assemblied in the center accommodating hole by prism connector.
7. unit according to claim 5, wherein, the rear flange can be rotationally mounted to described by bearing (98)
On wheel shaft (20), the bearing is radially between the rear end of the wheel shaft (20) and the bearing for forming the center of flange in the rear
Between seat (97b).
8. unit according to claim 5, wherein, the rear flange can be rotationally mounted to the wheel shaft by bearing
On, the bearing radially between the front end of the rear flange with formed the rear end of the wheel shaft center bearing block it
Between.
9. unit according to claim 1, wherein, the fan is integrally connected to hub (28), and the hub can rotate
Ground is arranged on the wheel shaft (20) and is also integrally connected to pulley (32), and the pulley is connected to electric drive using belt (34)
Dynamic motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12425133.1 | 2012-08-02 | ||
| EP12425133.1A EP2693058B1 (en) | 2012-08-02 | 2012-08-02 | Axial electric fan unit using a centrifugal regulator device for opening and closing a shutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103573662A CN103573662A (en) | 2014-02-12 |
| CN103573662B true CN103573662B (en) | 2017-10-27 |
Family
ID=46980874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310334988.0A Active CN103573662B (en) | 2012-08-02 | 2013-08-02 | fan unit |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2693058B1 (en) |
| CN (1) | CN103573662B (en) |
| BR (1) | BR102013019286A2 (en) |
| DK (1) | DK2693058T3 (en) |
| ES (1) | ES2582905T3 (en) |
| PL (1) | PL2693058T3 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882765B (en) * | 2017-12-14 | 2024-04-09 | 株洲联诚集团控股股份有限公司 | Centrifugal fan test fixture |
| CN109707662A (en) * | 2018-11-23 | 2019-05-03 | 吴菊芬 | A kind of long-life high-performance blower |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2513077A1 (en) * | 1974-03-27 | 1975-10-02 | Vent Axia Ltd., Crawley, Sussex (Großbritannien) | FAN |
| US5195928A (en) * | 1990-12-04 | 1993-03-23 | Antonio Gigola | Centrifugal actuating device for pushing or pulling an element to be operated |
| EP0563875A1 (en) * | 1992-04-01 | 1993-10-06 | EUROEMME S.p.A. | A centrifugal regulator device for opening and closing the shutter of an axial electric fan unit |
| EP1058009A1 (en) * | 1998-12-16 | 2000-12-06 | Soler Y Palau, S.A. | Improvements to ultracompact air extractors for bathrooms |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITGE20010089A1 (en) * | 2001-11-14 | 2003-05-14 | Roberto Pericoli | CENTRIFUGAL REGULATOR DEVICE FOR AUTOMATIC OPERATION OF FAN DAMPER. |
| US20060286924A1 (en) * | 2005-06-21 | 2006-12-21 | Angelo Milana | Axial flow fan improvements |
-
2012
- 2012-08-02 ES ES12425133.1T patent/ES2582905T3/en active Active
- 2012-08-02 DK DK12425133.1T patent/DK2693058T3/en active
- 2012-08-02 EP EP12425133.1A patent/EP2693058B1/en active Active
- 2012-08-02 PL PL12425133.1T patent/PL2693058T3/en unknown
-
2013
- 2013-07-30 BR BR102013019286A patent/BR102013019286A2/en not_active Application Discontinuation
- 2013-08-02 CN CN201310334988.0A patent/CN103573662B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2513077A1 (en) * | 1974-03-27 | 1975-10-02 | Vent Axia Ltd., Crawley, Sussex (Großbritannien) | FAN |
| US5195928A (en) * | 1990-12-04 | 1993-03-23 | Antonio Gigola | Centrifugal actuating device for pushing or pulling an element to be operated |
| EP0563875A1 (en) * | 1992-04-01 | 1993-10-06 | EUROEMME S.p.A. | A centrifugal regulator device for opening and closing the shutter of an axial electric fan unit |
| EP1058009A1 (en) * | 1998-12-16 | 2000-12-06 | Soler Y Palau, S.A. | Improvements to ultracompact air extractors for bathrooms |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2582905T3 (en) | 2016-09-15 |
| BR102013019286A2 (en) | 2016-04-12 |
| DK2693058T3 (en) | 2016-08-01 |
| EP2693058B1 (en) | 2016-04-20 |
| PL2693058T3 (en) | 2016-10-31 |
| EP2693058A1 (en) | 2014-02-05 |
| CN103573662A (en) | 2014-02-12 |
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