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CN109937333A - Arc for a ventilation system - Google Patents

Arc for a ventilation system Download PDF

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Publication number
CN109937333A
CN109937333A CN201780064493.7A CN201780064493A CN109937333A CN 109937333 A CN109937333 A CN 109937333A CN 201780064493 A CN201780064493 A CN 201780064493A CN 109937333 A CN109937333 A CN 109937333A
Authority
CN
China
Prior art keywords
arc
shaped workpiece
section
conducting element
wall
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
CN201780064493.7A
Other languages
Chinese (zh)
Inventor
威廉·布鲁克鲍尔
齐格弗里德·格斯勒
安雅·伊默兹
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.)
Individual
Original Assignee
Individual
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
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Application filed by Individual filed Critical Individual
Publication of CN109937333A publication Critical patent/CN109937333A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/081Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
    • 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
    • F24F13/0245Manufacturing or assembly of air ducts; Methods therefor
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Duct Arrangements (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

The invention relates to an arc (11) for a ventilation system, having at least one oval opening (18) and a flow cross-section having a minimum radius of curvature, which is the smallest diameter (d) of the flow cross-sectionmin) At least one tenth of.

Description

Arc-shaped workpiece for ventilating system
Cross reference to related applications
The priority of patent application claims German patent application DE 10 2,016 220 527.7, the patent application Content is incorporated herein by reference.
Technical field
The present invention relates to a kind of arc-shaped workpieces for ventilating system.The invention further relates to a kind of sides for manufacturing this arc-shaped workpiece Method.Moreover, it relates to which a kind of fill for the assembling device of the arc-shaped workpiece and comprising the arc-shaped workpiece and the assembling The assembly external member set.Finally, the present invention relates to a kind of ventilating systems with corresponding arc-shaped workpiece.
Background technique
For ventilating system, the layout of pipeline or cannula member generally has to adapt to given structural environment.In such case Under, it may be necessary to deflect air-flow.Arc-shaped workpiece is also configured as channel bend, can be used as this purpose.In general, the arc of the type Shape part will form flow resistance, which can for example be quantified by the pressure loss.The generation of flow resistance can be to the effect of ventilating system Rate adversely affects.
Summary of the invention
The purpose of the present invention is be modified to the arc-shaped workpiece of ventilating system.
The purpose is realized by arc-shaped workpiece according to claim 1.
Purport of the invention is the outer wall that configuration defines arc-shaped workpiece inner space, is configured at least in its end It is oval in one region, so that it is that the flow cross section is minimum straight that the flow cross section of the inner space, which has size, The minimum profile curvature radius of diameter at least 1/10.
The minimum profile curvature radius of the inner space flow cross section is the outstanding of the flow cross section minimum diameter It at least 1/5, especially at least 1/3.
Particularly, the flow cross section of the inner space all has corresponding minimum profile curvature radius at any point.
It has been found that by avoiding narrow radius of curvature that can reduce the flow resistance and therewith of arc-shaped workpiece in flow cross section The pressure loss of generation.Particularly, it has been found that in this case it is advantageous to which so-called flat lead can also circularly be configured Pipe.Particularly, the side wall of the flat duct can by round arcuation part, especially semicircle arch configures.
Referring to the flow cross section, the minimum profile curvature radius especially at least has flow cross section root ruler Very little 1/10th, 1/5th especially at least with flow cross section root size, especially at least have the stream The one third of dynamic cross section root size, the half especially at least with flow cross section root size.
If being indicated with absolute term, the radius of curvature in particular at least 2.5cm, in particular 3cm, in particular 4cm.Its It is specifically for use in arc-shaped workpiece, the area of the endwall flow cross section of the arc-shaped workpiece is 100cm2, especially at least 125cm2, especially extremely Few 150cm2, especially at least 175cm2, especially at least 200cm2.The indicated value of the radius of curvature especially refers to end Cross-sectional area maximum value is 250cm2Arc-shaped workpiece.
According to an aspect of the present invention, the arc-shaped workpiece all has opening at its both ends, which, which has, is measuring upper phase Same flow cross section.Optionally, the arc-shaped workpiece can have upper different in amount in one end thereof compared with the other end Flow cross section.The difference of the flow cross section can especially be greater than 10%, especially greater than 20%.In general, the flowing is horizontal The greatest coefficient of the difference in section is 2.
According to an aspect of the present invention, the arc-shaped workpiece has oval flow cross section.It is especially in whole length side There is oval flow cross section upwards.It is described oval especially substantially to be configured by two linear sections and two semicircles. Optionally, the arc-shaped workpiece can have oval flow cross section.
According to another aspect of the present invention, the arc-shaped workpiece is channel bend or duct bend.The arc-shaped workpiece is outstanding Its direction for being used to change pipeline or conduit system.In this way, it can be achieved that changed course to transmitting medium.The changed course can Implement in horizontal or vertical direction.In principle, the changed course can be implemented in any direction.
According to another aspect of the present invention, described two openings of the arc-shaped workpiece end surround at least 15 ° of angle, Especially at least 30 °, especially at least 45 °, especially at least 60 °, especially 90 ° of the angle.The arc-shaped workpiece is used in particular for by corresponding Angle alters course to air-flow.
According to another aspect of the present invention, the outer wall of the arc-shaped workpiece is configured as single type.By this Mode can connect to avoid additional bonding, can save the manufacturing cost of arc-shaped workpiece in this way;In addition, the manufacture becomes to be not easy out It is wrong;Finally, facilitating to handle arc-shaped workpiece during fabrication in this way.It does not need to glue the single component of the outer wall It closes, does not need the additional materials finished to the outer wall especially.
The arc-shaped workpiece is entirely especially configurable to single type.It can especially be made of plastic material.Preferably, It can be made by means of Shooting Technique.It also contributes to producing in this way.
According to another aspect of the present invention, the arc-shaped workpiece is made of shape-retaining substance.Optionally, the arc Part at least can at section be configured to flexible.It especially includes flexible central region.In this way, end is adjusted The angle surrounded between two, portion opening.To reach this purpose, the outer wall may include the region of elastic construction.
According to another aspect of the present invention, all surface of the arc-shaped workpiece contacted with to transmitting medium acquirement is equal With great surface quality.Its average surface roughness applied is Rz, especially Rz < 5 μm, especially Rz < 3 μm.This harmonic(-)mean table Surface roughness Rz can be by the manufacturing method and/or surface treatment of arc-shaped workpiece, and surface finish work especially therein is realized.
According to another aspect of the present invention, there is the arc-shaped workpiece at least one to be arranged in the inner space Conducting element, and the outer wall configurations are single type.Preferably, the arc-shaped workpiece is entirely configured as single type.The arc Part especially can have two, three, four, five or more corresponding conducting elements.
The flow resistance of the arc-shaped workpiece can be lowered via corresponding conducting element.The integral type of the arc-shaped workpiece, which configures, to be generated Advantage as described above.
According to another aspect of the present invention, at least one described conducting element is configured as double curvature.It especially exists There is curvature, curvature of the curvature in particular corresponding to the arc-shaped workpiece on flow direction.In addition, its plane in flow cross section It is upper that there is curvature.
The form of the conducting element can especially be described by a section of anchor ring.There are two the conducting element especially has Constant curvature radius.Optionally, at least one described conducting element may be configured with the curvature at least one direction change, that is, have One non-constant curvature.The radius of curvature of at least one conducting element especially can flow direction and/or perpendicular to The flow direction changes (that is, non-constant).
A lesser radius of curvature has at least empty with the inside in the radius of curvature of at least one conducting element Between flow cross section the identical size of minimum profile curvature radius.
The radius of curvature of the conducting element is especially less than 10m, especially less than 5m, especially less than 3m, especially less than 2m, especially Less than 1m.
According to another aspect of the present invention, the arc-shaped workpiece has the flow cross section changed in the flowing direction. The arc-shaped workpiece especially can have the flow cross section of quantitative change in the flowing direction.The arc-shaped workpiece can be with especially from One opening starts, and has the flow cross section that segmentation is successively decreased and then is incremented by the flowing direction.The arc-shaped workpiece especially can be with Configure contracting stream portion and expansion stream portion adjacent thereto first in the flowing direction.Contracting stream portion can also only be configured or expand stream portion.
According to another aspect of the present invention, an opening of the arc-shaped workpiece end has circular shape.This In the case of, the arc-shaped workpiece configures one from oval flow cross section to the transition piece of circular flow cross section.The transition Connector is especially used as the transition portion from flat duct to circular pipe.
Herein, the cross section of circular open can just as the cross section of the oval opening of the arc-shaped workpiece size. The cross section of circular open might be less that the cross section of oval opening, compare the flow cross section of oval opening, especially small At least 5%, especially small by least 10%.Preferably, can smaller than the cross section of oval opening most 30%, especially it is small at most 20%.In principle, the cross section of the circular open can also be bigger than the cross section of the oval opening, especially big at least 5%, Especially big at least 10%, especially big by least 20%, especially big at least 30%.
In this case, the outer wall can be configured by free form surface.The inner space of the arc-shaped workpiece does not have especially There are undercut portions.
The outer wall of the arc-shaped workpiece can especially be configured to two parts in this case.Described two parts can pass through The connection of tongue piece groove is connected with each other.It so can extremely simple, reliably position the two moulding sections.
Both parts can especially keep together by means of latch.
According to an alternative solution, bonding nosing is provided along line of demarcation, for by two of the outer wall of the arc-shaped workpiece Adhering components are together.Therefore, the liquid for facilitating two components of arc-shaped workpiece so close is especially tightly connected.
By the alternative solution, at least one conducting element can be configured to separate with the outer wall and pacify the conducting element In the inner space.The isolated conducting element especially can loosely slide into the inner space of the arc-shaped workpiece; It can be by means of the mode that guides and/or fix especially in the oval open area of the arc-shaped workpiece and/or in the arc The arc-shaped workpiece is fixed in the circular open region of shape part.Guide rail and/or latch piece may be used as guiding and/or fixing dress It sets.It can also at least partly be inserted into a form-locking manner in the outer wall of the arc-shaped workpiece.In the arc-shaped workpiece Any different alternative solutions, the conducting element can be arranged such in the interior space, so that they are by flow cross section point The upper equal part Cheng Liang.The conducting element can also be arranged to for the flow cross section to be divided into section of different sizes. For example, the section on the inside of the arc-shaped workpiece curvature can be less than the section on the outside of the arc-shaped workpiece curvature.Institute in inner space The position and arrangement for stating conducting element can select in the following manner so that when the arc-shaped workpiece be predetermined air-flow it is through-flow when, exporting Side forms highly uniform air-flow velocity indicatrix.The corresponding arrangement of the conducting element can be determined spy by means of simulation process It is not optimised.
According to another aspect of the present invention, the arc-shaped workpiece especially has in the outlet side of the flow cross section Flow cross section ratio, and the hydraulic diameter with maximum 15cm, the hydraulic diameter especially maximum 12cm, especially maximum 10cm. Another object of the present invention is the method for improving manufacture arc-shaped workpiece according to foregoing description.
The method that the purpose is manufactured in single processing step by the outer wall and at least one conducting element of the arc-shaped workpiece It is achieved.
Therefore, it is no longer necessary to any additional bonding connection.Due to eliminating extra work step, can save in this way Cost.In addition, causing mistake sensitivity to reduce in this way and helping to handle the arc-shaped workpiece during fabrication.
The arc-shaped workpiece can especially be made by means of Shooting Technique.
It is a further object to provide the assembling devices for arc-shaped workpiece.
The purpose realizes that there are the assembling device substrate, at least two to be arranged in the base by a kind of assembling device Guiding piece on plate and at least one fixing piece that the arc-shaped workpiece is fixed relative to the substrate, wherein it is described at least one Fixing piece can be at least two press-fits or shape mating connection in the guiding piece.
The assembling device allows the particularly simple installation arc-shaped workpiece.
According to an aspect of the present invention, some oblong apertures are arranged on the substrate.The oblong aperture is especially in each other Angle, it is especially aligned vertically to one another.The oblong aperture can be arranged in the inside and or outside of the guiding piece. Particularly, the oblong aperture can be arranged in pairs respectively in the region of the guiding piece, wherein in the oblong aperture One one inside being arranged in the guiding piece, one outside being arranged in the guiding piece.In this way While doing, the oblong aperture in a guiding piece region can be vertically right relative to the oblong aperture in another guiding piece region Together.
The substrate can be supported, especially can be contoured.
The guiding piece can have at least length of 10cm, especially at least 12cm, especially at least 15cm, especially at least 18cm.The length of the guiding piece is at most 35cm, especially up to 30cm, especially up to 25cm.The length of the guiding piece is pre- If the maximal regulated track of the alignment arc-shaped workpiece.
The guiding piece can have for the variable line of demarcation shortened, which can have locking devicen, can be with The matching locking devicen of the fixing piece interacts.
The guiding piece especially can be provided with laciniation on its surface.
According to another aspect of the present invention, the guiding piece and the fixing piece respectively have matched locking devicen, By means of the locking devicen, the interlocking of guiding piece and fixing piece may be implemented.The fixing piece is especially arranged as can be described It is changeably adjusted on guiding piece.
The fixing piece is especially separably attached with the guiding piece.
The fixing piece is especially configured as band, can slide on the guiding piece and be locked together with the guiding piece It is fixed.
The band can be adjusted to the shape of the arc-shaped workpiece outer wall on the inside of it.It especially can have and the arc The matched clamping element of shape part outer wall.By means of the fixing piece, therefore the arc-shaped workpiece can be clamped and especially be fixed (especially It is fixed between described two guiding pieces) arrive the substrate.
By the help of fixing piece, the arc-shaped workpiece can especially be arranged between the guiding piece, arrive the substrate Distance variable.
It is a further object to provide the assembly external members with arc-shaped workpiece and matching assembling device.
The purpose according to the assembly external member with arc-shaped workpiece and matching assembling device of foregoing description by realizing.
The advantages of being these described arc-shaped workpieces or these described assembling devices below.
According to an aspect of the present invention, the arc-shaped workpiece has space structure, such as the knot of bushing form on the outside Structure, when arc-shaped workpiece to be arranged into assembling device, shape is cooperated to the guiding piece and/or described being arranged for this purpose In the region of fixing piece.Thus, it is ensured that security arrangement of the arc-shaped workpiece in the assembling device.
According to another aspect of the present invention, the assembly external member includes one or more sealing elements, by the sealing element The close connection between flat or circular pipe and the arc-shaped workpiece can be established, the especially close connection of liquid is preferably tightly connected.
By this sealing element, the installation of the arc-shaped workpiece is greatly facilitated, the especially described arc-shaped workpiece is led with adjacent The connection of pipe or pipeline member.
Another object of the present invention is the smoke pumping fan system for improving ventilating system, especially kitchen range.
The purpose according to the ventilating system at least one arc-shaped workpiece of foregoing description by realizing.The ventage Especially a kind of smoke pumping fan system of system has the equipment from hearth horizontal plane extraction cooking fume.The extraction culinary art The equipment of flue gas is connected especially by via conduit with according to the arc-shaped workpiece with air outlet of foregoing description.
The advantages of being these arc-shaped workpieces below.Particularly, the arc-shaped workpiece flow resistance reduces meeting so that given smoke pumping fan The efficiency that equipment extracts cooking fume out improves.
Detailed description of the invention
More advantages of the present invention and details are shown below based on the explanation of the exemplary embodiment of number.
Fig. 1 schematically shows the smoke pumping fan system for kitchen range,
Fig. 2 shows the view of the assembly external member with arc-shaped workpiece and matching assembling device,
Fig. 3 shows the independent view of arc-shaped workpiece according to fig. 2,
Fig. 4 shows the independent view of assembling device according to fig. 2,
Fig. 5 and Fig. 6 shows the view of the component of the assembling device according to Fig. 4,
Fig. 7 shows the view of the arc-shaped workpiece according to alternative scheme,
Fig. 8 shows the view of the different perspective views of the arc-shaped workpiece according to Fig. 7,
Fig. 9, which is shown, to be shown according to the arc-shaped workpiece of Fig. 8 along the section of IX-IX line,
Figure 10, which is shown, is connected with the further view of the arc-shaped workpiece of cannula member in one side according to fig. 2,
Figure 11 shows the sectional view according to the arc-shaped workpiece for being connected with cannula member of Figure 10 along IX-IX line,
Figure 12 shows the exemplary display of sealing element.
Specific embodiment
Hereinafter, the general purpose module of the smoke pumping fan system 1 for kitchen range is first described.The smoke pumping Fan system 1 is commonly configured with ventilating system.It includes the fans 2 for generating air-flow.The fan 2 is via air trunking 3 and goes out Mouth unit 4 is especially connected with air outlet.The outlet port unit 4 especially can be wall coil or air circulation unit.
The smoke pumping fan system 1 further includes smoke pumping fan apparatus 5.The smoke pumping fan apparatus 5 especially can be with It is so-called lower desorption system, that is, smoke pumping fan aspirates downwards flue gas from hearth horizontal plane 6.It especially can be hearth pumping Oil smoke system.
The smoke pumping fan apparatus 5 includes that flue gas introduces equipment 7.The flue gas introduces equipment 7 can neighbouring 8 cloth of hearth It sets.Particularly, it is arranged between two hearths 8.It can be combined with the hearth at least one especially multiple hearth 8 In system 9.The hearth 8 and flue gas, which are introduced into equipment 7 especially, can be merged into an assembly unit.As a result, particularly convenient for right Hearth system 9 is installed.
The smoke pumping fan system 5 is connect via connecting conduit 10 with 2 fluid machinery of fan.The connecting conduit 10 may include one or more pipelines, conduit or pipe.It especially may include arc-shaped workpiece 11, will below to the arc-shaped workpiece into Row more description in detail.
The connecting conduit 10 is especially arranged in the rear side of the kitchen basic part 12 with drawer 13 or compartment.
The fan 2 is especially arranged in the base area 14 of kitchen basic part 12.
Arc-shaped workpiece 11 can also be arranged in air trunking 3, connect to the air trunking fluid machinery fan 2 and institute State outlet port unit 4.
The ventilating system for being indicated and being described in the form of smoke pumping fan system 1 is only interpreted as example.Its is alternative to match The alternative layout for setting especially connecting conduit 10 and/or air trunking 3 is not only possible, and is expected.In general, Especially connecting conduit 10 and/or the layout of air trunking 3 can extremely flexibly adapt to the structural environment.
Hereinafter, the arc-shaped workpiece 11 and matching assembling device 15 will be carried out in detail referring to figs. 2 to Fig. 6 Description.
The arc-shaped workpiece 11 has outer wall 16.The outer wall defines the inner space 17 of the arc-shaped workpiece 11.
The outer wall 16 is configured to single type.It is made of plastic material, especially form-retaining plastic material.It is outstanding It is made of heat-resisting and refractory material.Its especially at least up to 60 DEG C at a temperature of, particularly at least up to 90 DEG C At a temperature of, particularly at least up to 120 DEG C at a temperature of it is heat-resisting.
The outer wall 16, particularly, by the inflammable or fire retardant material of standard (material rate is DIN 4102-1 B2 or B1) It is made.
The arc-shaped workpiece 11 has an opening 18,19 in its end respectively.It is described to be open 18,19 respectively by especially form It is surrounded for the boundary portion of bushing 20,21.
In 11 outside of arc-shaped workpiece, a contact surface 29 is respectively disposed in the region of bushing 20,21.The contact surface 29 have linear outer 30.The contact surface 29 is convenient for arrangement arc-shaped workpiece 11, in the arc-shaped workpiece, the straight line of entrance Section 24,25 is parallel to vertical direction alignment.
First opening 18 is oriented perpendicular to first direction 22.Second opening 19 is fixed perpendicular to second direction 23 To.Angle in 90 ° is enclosed each other in the direction 22,23.In general, the direction 22,23 surrounds at least 15 ° of angle, institute each other State especially at least 30 °, especially at least 45 °, especially at least 60 ° of angle.
First opening 18 is configured to oval.First opening has cross section, and the cross section is by two linear sections 24,25 and two semicircle sections 26,27 define.
According to an alternative solution (attached to be not shown in the figure), first opening 18 has non-circular cross-section.
First opening 18 has maximum gauge dmaxWith minimum diameter dmin。dmax:dminRatio be at least 1.5:1, outstanding Its at least 2:1, especially at least 2.5:1.Therefore the arc-shaped workpiece 11 is also designated as flat duct arc.
First opening 18 hereinafter will also be named as being open.Therefore, described second 18 are open hereinafter It will be named as exporting.This should not be construed as limiting.Second opening 19 is particularly useful as entrance and described first opens Mouth 18 is also used as exporting.
First opening 18 has in 175cm2To 200cm2Flow cross section in range.In general, the arc-shaped workpiece 11 The flow cross section of entrance is at least 100cm2, especially at least 125cm2, especially at least 150cm2, especially up to 500cm2, it is outstanding Its at most 300cm2
Identical indicating value is also applied for the outlet of the arc-shaped workpiece 11.Entrance and exit can especially similarly configure.They are outstanding It, which can have, is measuring upper identical flow cross section, especially with the flow cross section of same form.The arc-shaped workpiece 11 It can be configured with the entrance and exit with different flow cross sections.This alternative solution will be retouched more in detail below It states.
The alternative solution of arc-shaped workpiece 11 according to Fig.3, the flow cross section of the inner space 17 is in entrance Region has radius of curvature rmin, which corresponds exactly to entrance minimum diameter dminHalf, r=dmin/2.It is logical Often, the flow cross section of the inner space 17 is especially in the region of opening 18,19, especially on any random point, With minimum profile curvature radius rmin, the minimum profile curvature radius is flow cross section minimum diameter dminAt least the ten of size/ One, especially at least 1/5th, especially at least a quarter, especially at least one third, that is, rmin≥dmin/ 10, especially rmin ≥dmin/ 5, especially rmin≥dmin/ 4, especially rmin≥dmin/3。
The minimum profile curvature radius r of the flow cross section of the inner space 17minIn the opening 18,19 Absolute figure in region especially on any random point of the arc-shaped workpiece 11 is at least 2cm, especially at least 3cm, especially extremely Few 4cm.
There are three conducting elements 28 for arrangement in the inner space 17 of the arc-shaped workpiece 111,282,283, the conducting element 281, 282,283The inner space 17 is further divided into the airflow channel of four separation.
In general, being disposed at least one conducting element in the inner space 17 of the arc-shaped workpiece 11.Preferably, conducting element 28iQuantity be two, three or more.
In the alternative solution of arc-shaped workpiece 11 shown in Fig. 3, the conducting element and the outer wall 16 are configured to single type.? In the alternative solution, entire arc-shaped workpiece 11 is especially configured to single type.
Optionally, the conducting element 28iAlso it is configurable to that the arc-shaped workpiece 11 is separated and be arranged in the outer wall 16 Inner space 17 in.The conducting element is especially with respect to 16 fixed definitions of outer wall.
The conducting element 28iIt is configured as double curvature.They especially have corresponding to 11 curvature of arc-shaped workpiece One curvature direction.In addition, they have curvature in the plane of the flow cross section A.
The conducting element 28iThe shape corresponding to one section of ring textures can be respectively provided with.
When increasing at a distance from the introversion side with the arc-shaped workpiece 11, the conducting element 28iWith incremental radius of curvature. The conducting element 28iRadius of curvature R (28i) especially in the following manner select: 100mm≤R (281)≤150mm, especially R (281)=ca.120mm;140mm≤R (282)≤190mm, especially R (282)=ca.165mm;200mm≤R(283)≤ 250mm, especially R (283)=ca.224mm.
It particularly, can be by all conducting elements 28iIt is configured to center of curvature M having the same.
(attached to be not shown in the figure) in a particularly advantageous embodiment, the configuration can also be modified as follow effect: from flowing When direction is seen, the conducting element 28iModified radius of curvature.In this way, the flow behavior in the arc-shaped workpiece 11 It can be further improved, it is especially optimised.Particularly, conducting element 28 can be optimizediShape so that the arc-shaped workpiece 11 goes out The flowing velocity indicatrix in mouth region domain is substantially uniform, especially up to deviates preset maximum value from average value.Substantially, other Flow characteristics curve can also be predetermined.
In addition, the conducting element 28iIt also can have relative to flow cross section plane along the conducting element 28iAccordingly prolong The radius of curvature of extending portion point variation.
In alternative solution shown in the drawings, the conducting element 28iRespectively there is a curvature, from the arc-shaped workpiece 11 Curvature of centre M be directed toward it is external.These conducting elements are convex surface, especially dual convex surface when especially having in terms of center of curvature M Curvature.
(attached to be not shown in the figure) according to alternative solution, the conducting element 28iEspecially exist on the perpendicular radially extended There is concave curvature in the region of first opening 18 and/or the second opening 19.They are also possible to the S type of male-female configuration.It is described to lead Stream part can be configured according to their curvature characteristics relative to each other, can also carry out different configurations.It particularly, can be with By the conducting element 28iIn one be configured to outer convex bending, another is is curved concave inward.If different flow channels are used for Different purposes, this configuration may be particularly advantageous.
In the width direction of the flow cross section A of the arc-shaped workpiece 11, the conducting element 28iIt can be arranged in described In portion space 17, especially make the conducting element 28iThe flow channel of definition, which is respectively provided with, is measuring upper identical flow cross section A。
According to a particularly advantageous alternative solution, the conducting element 28iIt especially arranges in the following manner, so that each stream Dynamic channel is respectively provided with substantially the same hydraulic diameter.
Alternatively it is also possible to be arranged so the conducting element 28i, so that the flow channel has towards increasing on the outside of curve Big flow cross section A.
(attached to be not shown in the figure) according to alternative solution, the arc-shaped workpiece 11 have the flow cross section changed in flow direction A.It has been shown that in this way, the pressure loss of the through-flow arc-shaped workpiece 11 can also be further reduced.
It is directed at the outer wall and the conducting element 28 that the arc-shaped workpiece 11 is manufactured in single common processing stepi。 The arc-shaped workpiece 11 can especially be made by means of Shooting Technique.It so can extremely simple, reliably manufacture the arc-shaped workpiece 11。
Next more description in detail will be carried out to the assembling device 15 for installing the arc-shaped workpiece 11.It is described Assembling device 15 will assemble external member 40 and the arc-shaped workpiece 11,11a are configured together respectively.The assembling device 15 includes substrate 31.For arrangement there are two rod-shaped guiding piece 32, the guiding piece 32 is also referred to as guiding bar on the substrate.
The substrate 31 for being disposed with guiding piece 32 thereon is also referred to as suspension 39.
The locking devicen that form is teeth portion 33 is configured in the guiding bar.
The locking devicen of locking devicen and matched fixing piece in the guiding bar interacts, the fixation Part is presented in the form of fixed strip band 34.The locking devicen of the fixed strip band 34 is configured as flat spring members 35.These latches dress It sets in the guide structure 36 for being integrated to and guiding the fixing piece on guiding piece 32.The guide structure 36 is substantially by two from institute State the flat pieces configuration that fixed strip band is clung vertically outward.Optionally, can be used to be configured to draw by the guide structure 36 Conduit.The guiding catheter especially has the free cross section in inside for the outer cross for adapting to the guiding bar.
It is provided with respectively in the two sides of the inside of the fixing piece and clamps nose 37.The clamping nose 37 is used to clamp lining It covers 20,21 and is thus used to for the arc-shaped workpiece 11 being fixed between described two guiding pieces 32.
Additional fixation of the arc-shaped workpiece 11 in the assembling device 15 can be realized by contact surface 29.Thus Purpose, the contact surface 29 can interact with the groove-like notch of the guiding piece 32.It can also firmly horizontal In the side of the guiding piece 32.It, especially can be with by the help of the contact surface 29 to interact with the guiding piece 32 The fixed arc-shaped workpiece 11 is to prevent it from moving in the assembling device 15 along the first direction 22.
The fixed strip band 34 is adjusted on the fixing piece 32.In this way, the especially described fixed strip band 34 arrives The distance of the substrate 31 is adjustable.
The guiding piece 32 can be cut in length.It can especially cut off and not need from the free end of the guiding piece 32 Part.
The fixed strip band can especially slide on the guiding piece 32.The fixed strip band by on the guiding piece 32 The interaction of teeth portion 33 fixed by flat spring members 35, to prevent it to be upwardly away from the substrate 31 in the side of the guiding piece 32 It is mobile.
By the help of the assembling device 15, the arc-shaped workpiece 11 can relative to the assembling device 15 be arranged and Thus the assembling device 15 is fixed thereon relative to the structure of building or furniture.By the help of the fixed strip band 34, one The arc-shaped workpiece 11 can be securely held in the assembling device 15 by aspect, and on the other hand the fixed strip band 34 may be used also To be removed again from the guiding piece 32 and therefore extract the arc-shaped workpiece 11 out from the assembling device 15.
The assembling device 15 can level of flexibility be installed on especially floor or top plate or flexible vertical is installed to especially It is on wall.
For the substrate 31 to be installed in floor, wall or top plate or other structures, length is provided on the substrate 31 Square hole 38.Particularly, two oblong apertures 38 are separately positioned in the region of one of them of the guiding piece 32.Particularly, institute Two oblong apertures 38 are stated to be arranged on the opposite flank of one of them of the guiding piece 32.In 32 region of guiding piece The longitudinal direction that the interior oblong aperture 38 is especially parallel to the substrate 31 is arranged.Preferably, other two oblong aperture 38 is hung down Directly it is arranged in the longitudinal direction of the substrate 31.Make in this way the substrate 31 it is extremely simple, accurately be fixed to ground on.
To increase hardness, the substrate 31 configures contouredly.
Line of demarcation 41 has can be set in the substrate 31.The line of demarcation 41 is especially arranged in the guiding piece 32 Outside.It allows the substrate 31 easily to shorten.In this way, it is particularly possible to directly adjoin the assembling device 15 with side wall Neighbour's installation.Using this arrangement of the assembling device 15, the guiding piece 32 can have with side wall less than 1cm, especially small In the distance of 0.5cm.
When being arranged on the guiding piece 32 the fixed strip band 34, it is configured to accommodate the week of the arc-shaped workpiece 11 To the housing region being closed completely.The housing region, on the one hand by the fixed strip band 34, on the other hand by the substrate 31 And (depending on the circumstances) is respectively configured by a section of the guiding piece 32 adjacent with the substrate 31.
The distance between described guiding piece 32 is adapted to the size of the arc-shaped workpiece 11, is specially adapted to the arc-shaped workpiece 11 Entrance maximum gauge.It is, it should be understood that the distance between described two guiding pieces on the substrate 31 are accurately right It should be in the maximum outside diameter of the arc-shaped workpiece 11 in entrance and/or exit region, in the especially described bushing 20,21 adjacent areas.
It is described hereinafter with reference to alternative solution of the Fig. 7 to Fig. 9 to the arc-shaped workpiece 11a.With the arc referred to herein As the description of part 11, similar elements and component obtain identical appended drawing reference.
The arc-shaped workpiece 11a is configured with the transition piece from flat duct to circular pipe.Such as the example institute in Fig. 7 Show, the second opening 19 of the arc-shaped workpiece 11a is configured to circle.About the first opening, the description of arc-shaped workpiece 11 can refer to.
The arc-shaped workpiece 11a can also have the outer wall 16 for being configured to single type.
Optionally, the outer wall 16 of the arc-shaped workpiece 11a can be configured to two pieces.It especially may be configured to Respectively by two parts 42,43 of Free Camber Moulding.The two parts 42,43 of the outer wall 16 of the arc-shaped workpiece 11a Typically without undercut portions.The two parts 42,43 of the outer wall 16 of the arc-shaped workpiece 11a can for example pass through tongue piece groove Connection is connected with each other.So can it is extremely simple, reliably relative to each other to the two moulding sections of the arc-shaped workpiece 11 It is positioned.The two parts 42,43 of the outer wall 16 of the arc-shaped workpiece 11a can be fixed to one another by means of fixture 44. It can also be glued to each other together.It to reach this purpose, can be with while in order to seal the interconnecting piece of the two parts 42,43 Nosing is set in the region of connecting line.
The circular arc of 43 inside of part is connected with bushing 21, and the bushing is preferably arranged to single type, especially matches with part 43 It is set to single type.
According to Fig. 7 to alternative solution shown in Fig. 9, a single conducting element 28 is can be set in the arc-shaped workpiece 11a. The arc-shaped workpiece 11a may also be provided with the conducting element 28 of different numberi
The conducting element 28 is especially configured to single bending.It is especially parallel to curvature axis with substantially linear road Diameter.
In alternative solution, it is to have that the conducting element 28, which is configured to separate with the outer wall 16 of the arc-shaped workpiece 11a, Benefit.Then the conducting element 28 is inserted into the inner space 17 of the arc-shaped workpiece 11a and fixes there.
In the region of the bushing 21, pairs of consolidate is respectively disposed on the inside of the outer wall 16 of the arc-shaped workpiece 11a Determine item 45.Configured with the pockets 46 for accommodating conducting element 28 between two fixed strips in a pair of of fixed strip 45.It is described to lead Stream part 28 can be especially glued in the pockets 46.
The conducting element 28 can also be locked especially in the region of the bushing 21 with matched locking devicen.
In the region of first opening 18, the conducting element 28 is integrated to preferred shape and is cooperated to the arc-shaped workpiece 11a Outer wall 16 in (referring to Fig. 9).The conducting element especially has a side section 47, substantially smoothly particular without Corner influences the in-profile that ground continues the outer wall 16.The side section can have towards its end and accommodate the outer wall The groove 48 of 16 first part 42.
The second part 43 of the outer wall 16 forms stepped part for several times in this region, especially forms ladder twice Portion.Thus the conducting element 28 is fixed on the edge 49 of 42 end of first part and the stepped part of the second part 43 Between 50.In addition, the conducting element can be fixed in second part 43 by the second ladder 51.
The edge 49 of 42 end of first part especially interlocks in the groove in the side section 47 of the conducting element 28 In 48.
Preferably, the conducting element 28 is configured and arranged to so that by the conducting element 28 in first opening, 18th area The ratio of the surface area of two separate sections 52,53 limited in domain corresponds exactly to the phase in second opening, 19 regions Answer the ratio of the surface area of section 54,55: A52:A53=A54:A55
With reference to figures 10 to Figure 12, the connection of the arc-shaped workpiece 11 will be described according to foregoing description, which uses The form of transition piece especially flat duct part 56.The flat duct part 56 can also be connect with the arc-shaped workpiece 11a Rather than it is connect with the arc-shaped workpiece 11.
The flat duct part 56 is slid into the bushing 21 of the end of the arc-shaped workpiece 11.Its edge in the flowing direction The whole length of the bushing 21 is overlapped with it.Base of the inside of the flat duct part 56 configured with 11 inside of arc-shaped workpiece This is smooth especially without the extendible portion of corner.
Figure 12 is illustrated in the region between the flat duct part 56 and the bushing 21 and is disposed with sealing Part 57.The sealing element 57 is pulled to 56 top of flat duct part and will be inserted into together with the flat duct element 56 In the especially described bushing 21 of the arc-shaped workpiece 11.It is thusly-formed between the flat duct part 56 and the arc-shaped workpiece 11 close The close preferably airtight connection of ground especially liquid.
The sealing element 57 has greatly facilitated the company of assembling especially itself and adjacent flat cannula member 56 of arc-shaped workpiece 11 It connects.So save the considerable time.In addition, can ensure in a simple manner by the help of the sealing element 57 described Flat duct part 56 is closely connect with the arc-shaped workpiece 11.
The sealing element 57 is fabricated from a flexible material.The sealing element 57 is preferably made of elastic material.It is especially by rubber Glue is made.Its free end for circumferentially surrounding the flat duct part 56 completely.The sealing element has slightly inwardly in one end Edge 58 outstanding.In the state that the sealing element 57 is pulled to above the flat duct element 56, the edge 58 exists The end of the flat duct part 56 is closely fitted into free margins along upper.
In the state that flat duct part 56 is inserted into arc-shaped workpiece 11, the edge 58 is in the flat duct part Stop moving between the 56 free margins edge and the contact shaft shoulder 59 as made of the bushing 21 configuration.
There are three circumferential seal lips 60 for the tool of sealing element 57.It especially has at least one sealing lip 60.It can also be with With the sealing lip 60 more than two or three.
The sealing lip 60 may be configured with different height.They can form the flat duct part 56 and sealing element 57 Between the closely especially close preferably airtight connection of liquid, and therefore formed the conduit or pipeline member and the arc-shaped workpiece 11 it Between above-mentioned connection.
The sealing element 57 can be the component of the arc-shaped workpiece 11 or the arc-shaped workpiece 11a or described flat or round The component of cannula member.Its component that the assembly external member 40 is configured especially as individual component.Especially in the ventilation In system 1, the sealing element 57 can form the close connection of flat or circular pipe part Yu the arc-shaped workpiece 11.
Hereafter the further advantage of the arc-shaped workpiece 11 or 11a and the assembling device 15 will separately be retouched It states.
The conducting element 28iRadius of curvature in flow cross section plane especially in 50mm to 500mm within the scope of.
The guiding piece 32 has the length in 5cm to 20cm range.
The teeth portion 33 can provide the adjustable track in 5cm to 20cm range.
Particularly, the substrate 31 has the building height in 5mm to 15mm range especially in 8mm to 12mm range.Cause This, which is used as the partition between the arc-shaped workpiece 11 and the arc-shaped workpiece 11 arrangement building thereon or furnature construction simultaneously.
The assembling device 15 has greatly facilitated the assembling of the arc-shaped workpiece 11 and entire ventilation is thus greatly facilitated The assembling of conduit 3 and/or connecting conduit 10.

Claims (17)

1. a kind of arc-shaped workpiece (11) for ventilating system, comprising:
1.1. the outer wall (16) of the inner space (17) of the arc-shaped workpiece (11) is defined,
1.2. (18) are open with the first of first direction (22) vertical alignment,
1.3. it is open (19) with the second of second direction (23) vertical alignment, and
1.4. at least one conducting element (28) being arranged in the inner space (17), is configured to double curvature,
1.5. opening (18,19) described in wherein at least one is configured as oval, maximum gauge (dmax) and minimum diameter (dmin) between ratio be at least 1.5:1, and
1.6. wherein the flow cross section (A) of the inner space (17) has minimum profile curvature radius (rmin), the minimum curvature The size of radius is the minimum diameter (d of the flow cross section (A)min) at least 1/10th, rmin≥dmin/10。
2. arc-shaped workpiece (11) according to claim 1, which is characterized in that at least one described conducting element (28) and described outer Wall (16) is configured to single type.
3. arc-shaped workpiece (11) according to claim 1, which is characterized in that at least one described conducting element (28) and described outer Wall (16) configured separate and the outer wall for being at least partially inserted into the arc-shaped workpiece (11) in a form-locking manner (16) in.
4. the arc-shaped workpiece according to one of preceding claims (11), which is characterized in that including oval flow cross section (A)。
5. the arc-shaped workpiece according to one of preceding claims (11), which is characterized in that the arc-shaped workpiece (11) with it is to be passed It leads medium and obtains all surface of contact and all have average surface roughness (R lower than 5 μmz)。
6. the arc-shaped workpiece according to one of preceding claims (11), which is characterized in that the outer wall (16) has elastic region Domain.
7. the arc-shaped workpiece according to one of preceding claims (11), which is characterized in that including what is changed in the flowing direction Flow cross section (A).
8. the arc-shaped workpiece according to one of preceding claims (11), which is characterized in that one in the opening (18,19) With circular shape.
9. the arc-shaped workpiece according to one of preceding claims (11), which is characterized in that its flowing with maximum ratio is horizontal The hydraulic diameter of section (A) and 15cm.
10. a kind of for manufacturing according to claim 1 to the method for arc-shaped workpiece (11) described in one in 9, which is characterized in that The outer wall (16) of the arc-shaped workpiece (11) and at least one described conducting element (28) manufacture in single processing step.
11. a kind of for according to claim 1 to the assembling device (15) of arc-shaped workpiece (11) described in one in 9, comprising:
11.1. substrate (31),
11.2. at least two guiding pieces (32) that are arranged on the substrate (31) and
11.3. at least one fixing piece (34) that the arc-shaped workpiece (11) is fixed relative to the substrate (31),
11.4. wherein, the fixing piece (34) can be in a manner of force locking or form-lock and in the guiding piece (32) At least two connections.
12. assembling device (15) according to claim 11, which is characterized in that the guiding piece (32) and the fixing piece (34) it is respectively provided with locking devicen, the guiding piece and the fixing piece can be interlocked by means of the locking devicen.
13. assembling device (15) according to claim 11 or 12, which is characterized in that the guiding piece (32), which has, to be used for The variable line of demarcation (41) shortened.
14. a kind of assembly external member (40) comprising:
14.1. according to claim 1 to arc-shaped workpiece (11) described in one in 9, and
14.2. assembling device (15) described in one in 1 to 13 according to claim 1.
15. assembly external member (40) according to claim 14, which is characterized in that the arc-shaped workpiece (11) has on the outside Space structure, space structure when arc-shaped workpiece (11) is arranged into assembling device (15) with guiding piece (32) and/or fixing piece (34) corresponding region form-lock.
16. assembly external member (40) according to claim 14 or 15, which is characterized in that it includes for by cannula member and institute State at least one sealing element (57) of the interconnecting piece sealing of arc-shaped workpiece (11).
17. a kind of ventilating system (1), has
17.1. for manufacturing the fan (2) of air-flow,
17.2. wherein, the fan (2) connect via air trunking (3) with air outlet, and the air trunking has at least One according to claim 1 to arc-shaped workpiece described in 9 (11).
CN201780064493.7A 2016-10-19 2017-10-19 Arc for a ventilation system Pending CN109937333A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016220527.7 2016-10-19
DE102016220527.7A DE102016220527A1 (en) 2016-10-19 2016-10-19 Arch element for a ventilation system
PCT/EP2017/076727 WO2018073350A1 (en) 2016-10-19 2017-10-19 Curved element for a ventilation system

Publications (1)

Publication Number Publication Date
CN109937333A true CN109937333A (en) 2019-06-25

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Application Number Title Priority Date Filing Date
CN201780064493.7A Pending CN109937333A (en) 2016-10-19 2017-10-19 Arc for a ventilation system

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US (1) US20190316805A1 (en)
EP (1) EP3529538B1 (en)
CN (1) CN109937333A (en)
DE (1) DE102016220527A1 (en)
WO (1) WO2018073350A1 (en)

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US20190316805A1 (en) 2019-10-17
EP3529538B1 (en) 2020-12-02
DE102016220527A1 (en) 2018-04-19
EP3529538A1 (en) 2019-08-28

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