CN101737892A - Ventilation device - Google Patents

Ventilation device Download PDF

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Publication number
CN101737892A
CN101737892A CN200910212147A CN200910212147A CN101737892A CN 101737892 A CN101737892 A CN 101737892A CN 200910212147 A CN200910212147 A CN 200910212147A CN 200910212147 A CN200910212147 A CN 200910212147A CN 101737892 A CN101737892 A CN 101737892A
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CN
China
Prior art keywords
hub unit
sleeve pipe
pipe plug
ventilation hub
ventilation
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.)
Pending
Application number
CN200910212147A
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Chinese (zh)
Inventor
罗伯特·卫斯理
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Applied Energy Products Ltd
Original Assignee
Applied Energy Products Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Applied Energy Products Ltd filed Critical Applied Energy Products Ltd
Publication of CN101737892A publication Critical patent/CN101737892A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/0236Ducting arrangements with ducts including air distributors, e.g. air collecting boxes with at least three openings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F2007/001Ventilation with exhausting air ducts
    • F24F2007/002Junction box, e.g. for ducts from kitchen, toilet or bathroom

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A ventilation hub unit (10) comprising a casing (12) having a plurality of inlets (14) and one outlet (16), wherein said plurality of inlets (14) are arranged radially at the perimeter of said hub unit (10). The Ventilation hub may have a plurality of spigot inserts (18), one such spigot insert (18) associated with each inlet (14) wherein each spigot insert (18)comprises a first end for insertion into an inlet (14), and a second end for receiving, in use, a duct. The spigot inserts (18) may each comprises a flow regulator (38).

Description

Ventilation equipment
Technical field
The present invention relates to from the building extracting air, relate to the hub of the central ventilation system that is used for building especially.
Background technology
Known a kind of optional method, the ventilation equipment of for example air exhauster in making between the independent housing in for example bathroom, kitchen etc. use the constructure ventilation system that comprises exhausting unit, center, and a plurality of ventilation intakes are connected to exhausting unit, described center via conduit.Adopt this mode, not only can concentrate the exhausting unit so that safeguard, and can eliminate the exhausting sound at place, use location.
In order to minimize the quantity of required conduit, have the ventilation hub usually, at described ventilation hub place, can put together, and described ventilation hub has single conduit from a plurality of conduits of diverse location, described single conduit leads to ventilating opening from described ventilation hub.This hub can for example be positioned in the furred ceiling.There is various problems in present hub.A problem is: the geometry of present hub may cause pressure drop unnecessary in the system, thereby makes the bigger impeller of required power so that identical exhausting rate to be provided.This is main because the air flowing access in the hub need experience the turning of a series of 90 degree that produce these pressure drops.Another problem is: inlet is parallel to directed each other, and parallel with outlet, and all are all on a side of hub unit.The conduit that this causes 90 other degree of needs to be turned leading to hub unit or to derive from hub unit, thereby has increased the problems referred to above, and has increased the overall vertical dimension of hub.Another problem about the ventilation hub is: because different system and different rated conditions need may with the ventilation duct of the unmatched different size of ventilation hub, so described ventilation hub can bring problem to the transformation of existing ventilating system.
Summary of the invention
The objective of the invention is to produce a kind of improved exhausting hub unit.
According to a first aspect of the invention, provide a kind of ventilation hub unit, described ventilation hub unit comprises the shell with a plurality of inlets and an outlet, and wherein: described a plurality of inlet radial arrangement are at the periphery place of described hub unit.
By arranging inlet, can reduce to install the required overall space degree of depth around the unit peripheral radial.This is especially useful under the situation above for example unit is arranged in furred ceiling.Except radially placing inlet, when conduit was connected on the described inlet, described conduit was from hub bifurcated radially outward naturally, thereby allowed described conduit to lead to each position with the degree of depth of minimum.Since conduit according to this mode naturally radially, therefore, under the crooked situation of any 90 degree that do not need to be associated with the prior art unit, conduit can be connected to conduit.This is by eliminating the efficient that pressure reduces a little to have increased hub.
Preferably, the unit has the circular profile, and preferably outlet is tangential outlet.
Preferably, the unit comprises and second Room, and described inlet opening is to described first indoor, and draw from described outlet described second Room.First Room can comprise the axial outlet of leading to second Room, and axially outlet can have radial surface, and described axial outlet is led on described radial surface.By leading to the outlet of first Room radially,, reduced turbulent flow when a plurality of air from a plurality of inlets flow when outlet converges and pass through described outlet.Preferably, the upper inside surface of first Room comprises that the center radially bends the surface, described radially bend that the surface is used for will be by the described axial outlets direct that radially bends the air stream on surface towards first Room.Mode according to this, upper surface roughly reflect the curved surface that leads to the outlet of first Room, thereby have further reduced turbulent flow and made pressure drop minimum in the hub unit.
Preferably, impeller is positioned at second indoor.Impeller makes air move through the ventilation hub, and described air is discharged outlet.
In preferred the layout, the unit comprises a plurality of sleeve pipe plugs, and a this sleeve pipe plug is associated with each inlet, and wherein: each sleeve pipe plug all comprises second end that is used to insert first end of inlet and in use is used for holding conduit.A plurality of sleeve pipe plugs can have second end of the different-diameter that is used to hold the different size conduit.Alternatively, perhaps additionally, first end of each sleeve pipe plug can have the shape of cross section different with second end of each sleeve pipe plug.This makes hub have very big flexibility, because described hub can easily be suitable for using with the conduit of difformity or size.When the geometry of the catheter type that comprises size and dimension changed, this flexibility allowed identical hub unit also to be suitable for the special configuration of Any user easily apace.
In another was preferably arranged, the sleeve pipe plug also comprised flow conditioner, and described flow conditioner can be control automatically.Preferably, flow conditioner comprises flexible membrane, the flowing of described flexible membrane part restricted passage sleeve pipe plug, and in use, and increase mobile makes the film bending with the flowing of further restricted passage film, and flows thereby regulate automatically.Alternatively, transferring the stream device can manual adjustments flowing with restricted passage sleeve pipe plug.Preferably, the sleeve pipe plug has holding member, and described holding member is used for removable current limiter is remained in the described holding member.Use current limiter to provide in hub and be used for balance by leading to the central point that flows of each conduit in the unit, if do not having under the situation of current limiter, this is determined by a plurality of features that comprise any bending in catheter length and the conduit.By these current limiters are placed in the sleeve pipe plug,, if manual,, can increase or remove and regulate current limiter then in the single position that is highly advantageous to and installs at the mounting points place.When the unit was modified to change unit as the parts of installation system, this was especially useful.
Preferably, the unit comprises also and is used for the sleeve pipe plug is remained on holding device in the described inlet that described holding device can be a screw.
In preferred the layout, the unit outlet has than the big cross-sectional area of unit inlet.Preferably, the cross-sectional area of hub outlet is equal to or greater than the cross-sectional area sum of inlet.
The unit can comprise six radially the inlet, described six radially the inlet can have less than 50 the degree angular separation.
Preferably, the face profile of unit is roughly circle, and has the depth capacity of 190mm.Mode according to this, unit can be installed in the SC of indoor furred ceiling for example.
According to a second aspect of the invention, provide a kind of method of making the ventilation hub unit, said method comprising the steps of:
Base of molded part, described base portion partly have the inner surface that forms the first half impeller cavities, the first half outlets and electric carriage;
Molded mid portion, described mid portion comprises first surface and second surface, and described first surface forms the second half impeller cavities and the second half outlets, and described second surface has opening, described opening is in described second surface, and described second surface has the sweep that leads to described opening;
Moulded closure part, described cover comprise the inner surface of the first surface that is formed into the oral cavity and a plurality of inlet openings that radially are provided with in described cover; And
Assemble described base portion part, described mid portion and described cover, to form the ventilation hub unit, described ventilation hub unit has: impeller cavity, described impeller cavity has outlet and intake section, described outlet is formed between base portion part and the mid portion, described intake section is formed between mid portion and the cover, and has a plurality of radially inlets; With the outlet of leading to described impeller cavity.
Preferably, base portion part, mid portion and cover form by molding process, and described molding process has the single axis that instrument separates.Have all three parts of the single axis that instrument separates by design, can greatly simplify the manufacturing of parts, and molding process quickened, thereby increased efficient.
Preferably, described method is further comprising the steps of: molded a plurality of sleeve pipe plugs with first end and second end; Be inserted in the described inlet opening with first end the sleeve pipe plug.
Before in first end with the sleeve pipe plug is inserted into the inlet opening, flow conditioner can be inserted into described sleeve pipe plug.
Preferably, described method also comprise utilize screw with the sleeve pipe plug be fixed on the inlet in step.
Description of drawings
With reference to accompanying drawing, embodiments of the invention will be only mode by example be described, wherein:
Fig. 1 is the perspective view according to ventilation hub unit of the present invention;
Fig. 2 is the perspective view according to optional ventilation hub of the present invention;
Fig. 3 is the decomposition diagram of the unit ventilators of Fig. 2;
Fig. 4 is the detailed view that reduces the sleeve pipe plug according to of the present invention;
Fig. 5 is the straight connector plug of the present invention with flow adjustement device; And
Fig. 6 is at the plug that removes Fig. 5 under the situation of flow adjustement device.
The specific embodiment
Referring to figs. 1 through Fig. 3, ventilation hub unit 10 is shown as has shell 12, has a plurality of openings and outlet 16 in the described shell, forms inlet 14 in described opening.6 inlets 14 are to separate the outer radial interval of about miter angle around the unit.In use, inlet 14 is connected to the conduit that leads to the point that ventilates.Have impeller 28 in the hub unit 10, described impeller be used for air from conduit be drawn onto the inlet 14 in, and from roughly with the tangent outlet of drawing 16 discharged air of hub unit.Inlet 14 comprises the sleeve pipe plug 18 that is inserted in the shell 12.In Fig. 1, plug 18 is shown as the inlet diameter with identical size, and in Fig. 2, plug 18 is shown as the inlet diameter with different sizes.By changing plug 18, or replace one or more plugs 18 with the stopper (not shown), hub unit 10 can easily be configured to use with having nearly any ventilating system of the conduit of 6 kinds of different sizes, thereby helps installation.By using screw 20, plug 18 is fixed to suitable position.Shell 12 comprises 3 major parts: base portion part 25, mid portion 24 and top section 26.When assembling, the surface 22, inside and the mid portion 24 of base portion part 25 are combined to form blade wheel chamber, and impeller 28 is positioned at described blade wheel chamber, and rotation is to suck air by the unit.Have centre bore 30 in the mid portion 24, described centre bore is positioned at the center and forms outlet from first Room, and described first Room is formed between mid portion 24 and the top section 26, and leads to blade wheel chamber.The profile that surrounds the surface 32 of centre bore 30 forms and makes the bend of described profile lead in first Room outlet 30, thereby produce the level and smooth fluid flow passages be used for by the air of hub unit 10, thereby and reduce the pressure loss that produces owing to vortex unnecessary in the unit.Impeller 28 is by Motor Drive, and described motor forms the core of impeller, and impeller 28 rotates around described motor.Three critical pieces of hub unit 10: base portion part 25, mid portion 24 and top section 26 are all formed by plastic material in molding process.3 parts 24,25,26 all can utilize the mode of simple upper and lower instrument molded (that is, the required instrument of moulding part separates moving of single axis) to design.In order to realize this, the inlet that holds sleeve pipe plug 18 is angled about the central axis of unit, and described sleeve pipe plug is around described central axis spaced radial, makes need can not be formed into oral pore under the situation from the lateral movement campaign of instrument.This design has reduced the complexity that the required instrument of moulding part designs widely.
With reference to Fig. 4, shown the detailed view of sleeve pipe plug 34.The sleeve pipe plug has the part of reducing 36, and the described part that reduces can make diameter be easy to be connected to the unit less than the conduit of the opening in the shell 12.The elastic baffle adjuster is positioned at the flow passage by sleeve pipe plug 34, described elastic baffle adjuster comprises the baffle plate 38 that is connected to plug 34, makes to keep described elastic baffle adjuster and flow passage angled under the situation of flow passage not needing to block.Baffle plate 38 is made by elastomeric material, make along with mobile increase by sleeve pipe plug 34, baffle plate 38 in the face of flow direction lip-deep fluid pressure will make baffle plate 38 towards unitary elasticity distortion, thereby reduce the cross section of the sleeve pipe plug that fluid can flow through.Mode according to this, flow conditioner is self-regulating.Little wall components 40 anti-baffle plates 38 in the sleeve pipe plug 34 pass through perpendicular to the fluid flow deformation.Under the situation without any flow conditioner, the upstream fluid resistance will guide the fluid stream by each inlet suction of hub unit.This can cause room ventilation point because flowing of reducing and have the hub unit of the ventilation unit that reduces further away from each other.By flowing of regulating in the above described manner, realized identical flowing by the various inlets of hub unit, described various inlets are used to assist the aeration flow of balance from various ventilation points.
With reference to Fig. 5 and Fig. 6, sleeve pipe plug 42 is shown as the identical diameter of opening that has in the shell 12 that passes through with its expectation.Sleeve pipe plug 42 has internal part 44, and described internal part is molded into and makes the inner surface of described internal part can hold the removable flow conditioner that comprises 48 and two baffle plates 50 of axle.In use, baffle plate is because the passing through of air by sleeve pipe plug 42 and along flow direction deflection.Adjuster 52 be positioned at controllable register 50 deflection resistance the axle 48 on.This support member (not shown) by butterfly 50 back realizes that described support member is too big or too little according to anti-baffle plate 50 deflections of its position of rotation.When support member and axle 48 when parallel, minimum drag is provided, and, provides maximum resistance when support member during perpendicular to axle 48.By using manual flow conditioner, can be through the flow equilibrium of each sleeve pipe plug by manual adjustments with from single location point balance sysmte.Usually, system for example will have that a high power capacity that carries out from the cooker top extracts and from the bathroom or a plurality ofly extracting than low capacity of carrying out of toilet.The unit can have manual flow conditioner on all inlets, perhaps can only have manual flow conditioner or not have adjuster on high volume inlet, perhaps has automatic adjusting flow conditioner on the smaller size smaller inlet.

Claims (27)

1. ventilation hub unit, described ventilation hub unit comprises the shell with a plurality of inlets and an outlet, wherein: described a plurality of inlet radial arrangement are at the periphery place of described hub unit.
2. ventilation hub unit according to claim 1, wherein: described ventilation hub unit has the circular profile.
3. ventilation hub unit according to claim 2, wherein: described outlet is tangential outlet.
4. according to the described ventilation hub unit of aforementioned each claim, comprise first Room and second Room, described inlet opening is to described first indoor, and described outlet is drawn from described second Room.
5. ventilation hub unit according to claim 4, wherein: first Room comprises the axial outlet of leading to described second Room.
6. ventilation hub unit according to claim 5, wherein: described axial outlet has radial surface, and described radial surface is led in the described axial outlet.
7. according to each described ventilation hub unit among the claim 4-6, also be included in the described second indoor impeller.
8. according to the described ventilation hub unit of aforementioned each claim, also comprise a plurality of sleeve pipe plugs, a this sleeve pipe plug is associated with each inlet, and wherein: each sleeve pipe plug comprises second end that is used to be inserted into first end in the inlet and in use is used for holding conduit.
9. ventilation hub unit according to claim 8, wherein: described a plurality of sleeve pipe plugs comprise the sleeve pipe plug of second end with the different-diameter that is used to hold the different size conduit.
10. ventilation hub unit according to claim 8, wherein: the cross section of described first end of each in the described sleeve pipe plug roughly is circular, and the cross section of described second end of each sleeve pipe plug roughly is a rectangle.
11. ventilation hub unit according to claim 8, wherein: described sleeve pipe plug also comprises flow conditioner.
12. ventilation hub unit according to claim 11, wherein: described flow conditioner is control automatically.
13. ventilation hub unit according to claim 12, wherein: described flow conditioner comprises the flexible membrane that flows of the described sleeve pipe plug of part restricted passage, and in use, increase mobile makes described film bending flowing with the described film of further restricted passage.
14. ventilation hub unit according to claim 11, wherein: described flow conditioner can manual adjustments flowing with the described sleeve pipe plug of restricted passage.
15. according to each described ventilation hub unit among the claim 11-14, wherein: described sleeve pipe plug has holding member, and the flow conditioner that described holding member is used for removing remains in the described holding member.
16. each described ventilation hub unit according to Claim 8-15 also comprises being used for described sleeve pipe plug is remained on holding device in the described inlet.
17. ventilation hub unit according to claim 16, wherein: described holding device comprises screw.
18. according to the described ventilation hub unit of aforementioned each claim, wherein: the outlet of described unit has than the bigger diameter of described unit inlet.
19. ventilation hub unit according to claim 18, wherein: the truncation surface area of described hub outlet is equal to or greater than the cross-sectional area sum of described inlet.
20. according to the described ventilation hub unit of aforementioned each claim, wherein: described unit comprises six radially inlets.
21. ventilation hub unit according to claim 20, wherein: described inlet has the angular separation less than 50 degree.
22. according to the described ventilation hub unit of aforementioned each claim, wherein: the face profile of described unit is roughly circle, and has the depth capacity of 190mm.
23. a method of making the ventilation hub unit may further comprise the steps:
The base of molded part, described base portion partly has inner surface, and described inner surface forms the first half impeller cavities, the first half outlet and electric carriages;
Molded mid portion, described mid portion comprises first surface and second surface, and described first surface forms the second half impeller cavities and the second half outlets, and described second surface comprises opening, described opening is in described second surface, and described first surface has the sweep that leads in the described opening;
Moulded closure part, described cover comprise the inner surface of the first surface that is formed into the oral cavity and a plurality of inlet openings that radially are provided with in described cover; And
Assemble described base portion part, described mid portion and described cover, to form the ventilation hub unit, described ventilation hub unit has:
Impeller cavity, described impeller cavity have outlet and intake section, and described outlet is formed between described base portion part and the described mid portion, and described intake section is formed between described mid portion and the described cover and has a plurality of radially inlets; With
The outlet of leading to described impeller cavity.
24. method according to claim 23, wherein: described base portion part, described mid portion and described cover form by molding process, and described molding process has the single axis that instrument separates.
25., further comprising the steps of according to claim 23 or 24 described methods:
Molded a plurality of sleeve pipe plug, described sleeve pipe plug has first end and second end; And
Described first end of sleeve pipe plug is inserted in the described inlet opening.
26. method according to claim 25 is further comprising the steps of:
Before described first end with described sleeve pipe plug is inserted into described inlet opening, flow conditioner is inserted in the described sleeve pipe plug.
27., further comprising the steps of according to claim 25 or 26 described methods:
Utilize screw that described sleeve pipe plug is fixed in the described inlet.
CN200910212147A 2008-11-11 2009-11-10 Ventilation device Pending CN101737892A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0820558.5 2008-11-11
GB0820558.5A GB2465197B (en) 2008-11-11 2008-11-11 Ventilation

Publications (1)

Publication Number Publication Date
CN101737892A true CN101737892A (en) 2010-06-16

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ID=40139680

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910212147A Pending CN101737892A (en) 2008-11-11 2009-11-10 Ventilation device

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EP (1) EP2184556A1 (en)
CN (1) CN101737892A (en)
GB (1) GB2465197B (en)

Cited By (1)

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JP7489574B2 (en) 2020-03-30 2024-05-24 パナソニックIpマネジメント株式会社 Chamber Equipment

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EP2428743A1 (en) * 2010-09-10 2012-03-14 TROX GmbH Connection cabinet for a canal system of an ambient air or air conditioning facility
FR2986581B1 (en) * 2012-02-03 2015-09-04 Aldes Aeraulique CONTROLLED MECHANICAL VENTILATION DEVICE AND MANUFACTURING METHOD THEREOF

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JP2584662B2 (en) * 1988-07-11 1997-02-26 川崎重工業株式会社 Structure of cooling / heating air mixing room for air conditioner
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Publication number Priority date Publication date Assignee Title
JP7489574B2 (en) 2020-03-30 2024-05-24 パナソニックIpマネジメント株式会社 Chamber Equipment

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Publication number Publication date
GB0820558D0 (en) 2008-12-17
EP2184556A1 (en) 2010-05-12
GB2465197A (en) 2010-05-12
GB2465197B (en) 2012-11-07

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Application publication date: 20100616